- Devel - libvirt List Archives

[libvirt] Entering freeze for libvirt-3.3.0
by Daniel Veillard 04 May '17

04 May '17

As planned, I tagged RC1 in git and pushed signed tarball and rpms to the usual place: ftp://libvirt.org/libvirt/ Seems to work in my limited testing, https://ci.centos.org/view/libvirt/ seems mostly clean and happy, but please give it some testing ! Assuming things go well, I think I will make RC2 on Tuesday (Monday being closed in most of Europe we should have one day of worktime to test) and that would imply a release on Thursday 3rd, assuming nothing critical is found, thanks in advance for your testing and reports :-) Daniel -- Daniel Veillard | Red Hat Developers Tools http://developer.redhat.com/ veillard(a)redhat.com | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | virtualization library http://libvirt.org/

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[libvirt] [PATCH] mdev: Fix mingw build by adding a check for non-NULL pointer
by Erik Skultety 04 May '17

04 May '17

This patch fixes the following MinGW error (although actually being a false positive): ../../src/util/virmdev.c: In function 'virMediatedDeviceListMarkDevices': ../../src/util/virmdev.c:453:21: error: potential null pointer dereference [-Werror=null-dereference] const char *mdev_path = mdev->path; ^~~~~~~~~ Signed-off-by: Erik Skultety <eskultet(a)redhat.com> --- Pushed under the build breaker rule. Erik src/util/virmdev.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/util/virmdev.c b/src/util/virmdev.c index c861d21..174f48c 100644 --- a/src/util/virmdev.c +++ b/src/util/virmdev.c @@ -449,9 +449,13 @@ virMediatedDeviceListMarkDevices(virMediatedDeviceListPtr dst, virObjectLock(dst); for (i = 0; i < count; i++) { + const char *mdev_path = NULL; virMediatedDevicePtr mdev = virMediatedDeviceListGet(src, i); - const char *mdev_path = mdev->path; + if (!mdev) + goto cleanup; + + mdev_path = mdev->path; if (virMediatedDeviceIsUsed(mdev, dst) || virMediatedDeviceSetUsedBy(mdev, drvname, domname) < 0) goto cleanup; -- 2.9.3

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[libvirt] Raising limits for our RPC messages
by Michal Privoznik 04 May '17

04 May '17

Dear list, maybe you've seen us raising limit for various parts of RPC messages (for eaxmple: d15b29be, 66bfc7cc61ca0, e914dcfd, etc.). It usually happens when we receive a report that current limits are not enough. Well, we just did: https://bugzilla.redhat.com/show_bug.cgi?id=1440683 The thing is, virConnectGetAllDomainStats() is unable to encode RPC message because there's so much domains & stats to send that the limit is reached. Now, I was thinking how to approach this problem. Yes, we can raise the limits again. But we also have another approach: split data into multiple messages. The current limit for an RPC message is 4MB. Say you have 9MB of data you want to send to the other side. We could construct 3 messages (4 + 4 + 1) and send them to the other side where the data would be reconstructed. At RPC level, we could use @status header file to represent intermediate messages. That is, for the example above messages with the following headers would be constructed: {.len = 4MB, prog, vers, proc, .type = VIR_NET_REPLY, .serial, .status = VIR_NET_CONTINUE} {.len = 4MB, prog, vers, proc, .type = VIR_NET_REPLY, .serial, .status = VIR_NET_CONTINUE} {.len = 1MB, prog, vers, proc, .type = VIR_NET_REPLY, .serial, .status = VIR_NET_OK} (the actual @len accounts for message header too, so the message would be split into <nearly 4MB + nearly 4MB + slightly over 1MB> chunks, but that is not important right now) Just like we have in streams, VIR_NET_CONTINUE tells that there is more data yet to come, VIR_NET_OK could then mark the last packet in the stream. Cool you say, this could work. But not really. The problem with this approach is: a) we just transform problem to a different one (the limit of number of messages data can be split into) b) increased overhead (message header is sent multiple times) c) I don't expect we will ever support cherry-picking of messages (caller picks just the message that contains data they are interested in and discards the rest). So after all, we will effectively have the limit of message size increased to $limit_of_split_messages * $current_limit_of_message_size. Instead of introducing complex code that splits data into messages and reconstructs back, we might as well increase the current limit of message size. Michal

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[libvirt] [PATCH 0/2] news: Update for v3.3.0
by Andrea Bolognani 04 May '17

04 May '17

The release notes have been almost completely neglected this cycle, so I've spent some time going through the git log and trying to include what to me looked like relevant changes. Summaries and descriptions are going to be worse that they would be if they were written by the people implementing the changes, but I reckon it's still better than nothing :) Reviews are much appreciated, but if I won't get any feedback I will push this anyway before release just so that v3.3.0 doesn't end up including such sorry excuse for release notes in the final tarball. Andrea Bolognani (2): news: Tweak existing v3.3.0 entries news: Add more v3.3.0 entries docs/news.xml | 123 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 119 insertions(+), 4 deletions(-) -- 2.7.4

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[libvirt] [PATCH 0/2] Fix daemon crash caused by virHostdevUpdateActiveMediatedDevices
by Erik Skultety 04 May '17

04 May '17

Erik Skultety (2): util: mdev: Use a local variable instead of an invalid pointer reference mdev: Fix daemon crash on domain shutdown after reconnect src/util/virhostdev.c | 4 ++-- src/util/virmdev.c | 18 +++++++++++------- src/util/virmdev.h | 2 +- 3 files changed, 14 insertions(+), 10 deletions(-) -- 2.12.2

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Re: [libvirt] 答复: Re: 答复: Re: [PATCH] qemu: change the name of tap device for a tapand bridge network
by Laine Stump 04 May '17

04 May '17

(Please don't top-post replies. ALso, I added libvir-list back to the To:) On 05/03/2017 08:46 PM, lu.zhipeng(a)zte.com.cn wrote: > > Some other scenarios such as migration. > > Can we guarantee that the network card driver has been > closed before killing QEMU ? During a migration, before we ever get to the point of killing the source qemu process, we have already stopped the guest CPUs and made sure that the entire state of the guest has been transferred to the qemu process on the destination host. It doesn't matter if we detach the tap device from the bridge or not - any traffic received on the source host during that time (after stopping the guest CPUs) will be dropped (and re-transmitted + received by the guest after it starts running on the destination). Since the guest CPU is already stopped on the source, and the guest on the destination already has the full state of the guest ready to start up (and will not receive any new updates), keeping the tap device connected to the bridge for a small fraction of a second is not going to make any difference at all. Is that convincing enough? :-) > > if we are sure,that's ok > > > > > > *为了让您的VPlat虚拟化故障得到高效的处理，请上报故障到: $VPlat技术支持。* > > 芦志朋 luzhipeng > > > IT开发工程师 IT Development Engineer > 操作系统产品部/中心研究院/系统产品 OS Product Dept./Central R＆D > Institute/System Product > > > > 深圳市南山区科技南路55号中兴通讯研发大楼33楼 > 33/F, R&D Building, ZTE Corporation Hi-tech Road South, > Hi-tech Industrial Park Nanshan District, Shenzhen, P.R.China, 518057 > T: +86 755 xxxxxxxx F:+86 755 xxxxxxxx > M: +86 xxxxxxxxxxx > E: lu.zhipeng(a)zte.com.cn > www.zte.com.cn <http://www.zte.com.cn/> > > 原始邮件 > *发件人：*＜laine(a)laine.org>; > *收件人：*芦志朋10108272; > *日期：*2017年05月04日 08:31 > *主题：**Re: 答复: Re: [libvirt] [PATCH] qemu: change the name of tap > device for a tapand bridge network* > > > > > On May 3, 2017 8:28 PM, ＜lu.zhipeng(a)zte.com.cn > <mailto:lu.zhipeng@zte.com..cn>＞ wrote: > > > I'm worried that the network packet loss rate will increase after > reversing the order. > > > Why? The guest is already shut down (or being shut down). By this time > there is no traffic that would make any difference. And anyway, we've > already determined that the current order causes a race so it is wrong. > > > > > > *为了让您的VPlat虚拟化故障得到高效的处理，请上报故障到: $VPlat技术支 > 持。* > > 芦志朋 luzhipeng > > > IT开发工程师 IT Development Engineer > 操作系统产品部/中心研究院/系统产品 OS Product Dept./Central R＆D > Institute/System Product > > > > 深圳市南山区科技南路55号中兴通讯研发大楼33楼 > 33/F, R&D Building, ZTE Corporation Hi-tech Road South, > Hi-tech Industrial Park Nanshan District, Shenzhen, P.R.China, 518057 > T: +86 755 xxxxxxxx F:+86 755 xxxxxxxx > M: +86 xxxxxxxxxxx > E: lu.zhipeng(a)zte.com.cn <mailto:lu.zhipeng@zte.com.cn> > www.zte.com.cn <http://www.zte.com.cn/> > > 原始邮件 > *发件人：*＜berrange(a)redhat.com <mailto:berrange@redhat.com>＞; > *收件人：*＜laine(a)laine.org <mailto:laine@laine.org>＞; > *抄送人：*＜libvir-list(a)redhat.com <mailto:libvir- > list(a)redhat.com>＞;芦志朋10108272; > *日期：*2017年05月02日 16:30 > *主题：**Re: [libvirt] [PATCH] qemu: change the name of tap device > for a tapand bridge network* > > > On Fri, Apr 28, 2017 at 01:08:45PM -0400, Laine Stump wrote: > ＞ On 04/28/2017 05:33 AM, Daniel P. Berrange wrote: > ＞＞ On Fri, Apr 28, 2017 at 05:23:19PM +0800, ZhiPeng Lu wrote: > ＞＞＞ Creating tap device and adding the device to bridge are not atomic operation. > ＞＞＞ Similarly deleting tap device and removing it from bridge are not atomic operation. > ＞＞＞ The Problem occurs when two vms start and shutdown. When one vm with the nic > ＞＞＞ named "vnet0" stopping, it deleted tap device but not removing port from bridge. > ＞＞＞ At this time, another vm created the tap device named "vnet0" and added port to the > ＞＞＞ same bridge. Then, the first vm deleted the tap device from the same bridge. > ＞＞＞ Finally, the tap device of the second vm don't attached to the bridge. > ＞＞＞ So, we can add domid to vm's nic name. For example, the vm's domid is 1 and vnet0 > ＞＞＞ is renamed to vnet1.0. > ＞＞ > ＞＞ Surely deleting the NIC automatically removes it from the bridge so we > ＞＞ can just remove the code that delets the bridge port. > ＞ > ＞ That is true when using a Linux host bridge, but I recall that for > ＞ openvswitch (which I think is what ZhiPeng is using, based on an earlier > ＞ patch), you must explicitly remove the port from the bridge - apparently > ＞ the port is still there in openvswitch's table as some sort of "zombie" > ＞ connection even after the tap device itself no longer exists. > ＞ > ＞ > ＞ But instead of changing the naming scheme, maybe we should just delete > ＞ the bridge port *before* deleting the tap device instead of after. (Am I > ＞ recalling correctly that the tap device is deleted automatically when > ＞ the qemu process is killed? If so, then what's needed is to move the > ＞ loop in qemuProcessStop() that cleans up network interfaces so that it > ＞ happens before qemuProcessKill() is called. > > Agreed, we should just reverse the order. > > Regards, > Daniel > -- > |: https://berrange.com -o- https://www.flickr.com/photos/dberrange > <https://www.flickr.com/photos/dberrange> :| > |: https://libvirt.org -o- https://fstop138.berrange.com > <https://fstop138..berrange.com> :| > |: https://entangle-photo.org -o- https://www.instagram.com/dberrange > <https://www.instagram.com/dberrange> :| > > -- > libvir-list mailing list > libvir-list(a)redhat.com <mailto:libvir-list@redhat.com> > https://www.redhat.com/mailman/listinfo/libvir-list > <https://www.redhat.com/mailman/listinfo/libvir-list> > > > > > >

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[libvirt] [PATCH v1] libxl: report numa sibling distances on host capabilities
by Wim Ten Have 03 May '17

03 May '17

From: Wim ten Have <wim.ten.have(a)oracle.com> When running on a NUMA machine, populate the sibling node and distance information using data supplied by Xen. Wim ten Have (1): libxl: report numa sibling distances on host capabilities src/libxl/libxl_capabilities.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) -- 2.9.3

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[libvirt] [PATCH 0/5] qemu: Couple of namespace fixes
by Michal Privoznik 03 May '17

03 May '17

It was brought to my attention on IRC by Cedric that there's a bug in our namespace code. Namely, if a disk has say /dev/shm/blah source. For more detailed description see the first patch. The rest is just subsequent fixes. Michal Privoznik (5): qemuDomainBuildNamespace: Move /dev/* mountpoints later qemuDomainCreateDeviceRecursive: pass a structure instead of bare path qemuDomainCreateDeviceRecursive: Don't try to create devices under preserved mount points qemuDomainAttachDeviceMknodRecursive: Don't try to create devices under preserved mount points qemuDomainDetachDeviceUnlink: Don't unlink files we haven't created src/qemu/qemu_domain.c | 373 ++++++++++++++++++++++++++++++++++++------------- 1 file changed, 275 insertions(+), 98 deletions(-) -- 2.10.2

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[libvirt] [PATCH] client: Report proper close reason
by Jiri Denemark 03 May '17

03 May '17

When we get a POLLHUP or VIR_EVENT_HANDLE_HANGUP event for a client, we still want to read from the socket to process any accumulated data. But doing so inevitably results in an error and a call to virNetClientMarkClose before we get to processing the hangup event (and another call to virNetClientMarkClose). However the close reason passed to the second virNetClientMarkClose call is ignored because another one was already set. We need to pass the correct close reason when marking the socket to be closed for the first time. https://bugzilla.redhat.com/show_bug.cgi?id=1373859 Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com> --- src/rpc/virnetclient.c | 29 +++++++++++++++++++---------- 1 file changed, 19 insertions(+), 10 deletions(-) diff --git a/src/rpc/virnetclient.c b/src/rpc/virnetclient.c index c95974794..837a8a707 100644 --- a/src/rpc/virnetclient.c +++ b/src/rpc/virnetclient.c @@ -1595,6 +1595,7 @@ static int virNetClientIOEventLoop(virNetClientPtr client, { struct pollfd fds[2]; bool error = false; + int closeReason; int ret; fds[0].fd = virNetSocketGetFD(client->sock); @@ -1703,9 +1704,14 @@ static int virNetClientIOEventLoop(virNetClientPtr client, } } + if (fds[0].revents & POLLHUP) + closeReason = VIR_CONNECT_CLOSE_REASON_EOF; + else + closeReason = VIR_CONNECT_CLOSE_REASON_ERROR; + if (fds[0].revents & POLLOUT) { if (virNetClientIOHandleOutput(client) < 0) { - virNetClientMarkClose(client, VIR_CONNECT_CLOSE_REASON_ERROR); + virNetClientMarkClose(client, closeReason); error = true; /* Fall through to process any pending data. */ } @@ -1713,7 +1719,7 @@ static int virNetClientIOEventLoop(virNetClientPtr client, if (fds[0].revents & POLLIN) { if (virNetClientIOHandleInput(client) < 0) { - virNetClientMarkClose(client, VIR_CONNECT_CLOSE_REASON_ERROR); + virNetClientMarkClose(client, closeReason); error = true; /* Fall through to process any pending data. */ } @@ -1746,13 +1752,13 @@ static int virNetClientIOEventLoop(virNetClientPtr client, if (fds[0].revents & POLLHUP) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("received hangup event on socket")); - virNetClientMarkClose(client, VIR_CONNECT_CLOSE_REASON_EOF); + virNetClientMarkClose(client, closeReason); goto error; } if (fds[0].revents & POLLERR) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("received error event on socket")); - virNetClientMarkClose(client, VIR_CONNECT_CLOSE_REASON_ERROR); + virNetClientMarkClose(client, closeReason); goto error; } } @@ -1968,6 +1974,7 @@ void virNetClientIncomingEvent(virNetSocketPtr sock, void *opaque) { virNetClientPtr client = opaque; + int closeReason; virObjectLock(client); @@ -1981,23 +1988,25 @@ void virNetClientIncomingEvent(virNetSocketPtr sock, VIR_DEBUG("Event fired %p %d", sock, events); + if (events & VIR_EVENT_HANDLE_HANGUP) + closeReason = VIR_CONNECT_CLOSE_REASON_EOF; + else + closeReason = VIR_CONNECT_CLOSE_REASON_ERROR; + if (events & VIR_EVENT_HANDLE_WRITABLE) { if (virNetClientIOHandleOutput(client) < 0) - virNetClientMarkClose(client, VIR_CONNECT_CLOSE_REASON_ERROR); + virNetClientMarkClose(client, closeReason); } if (events & VIR_EVENT_HANDLE_READABLE) { if (virNetClientIOHandleInput(client) < 0) - virNetClientMarkClose(client, VIR_CONNECT_CLOSE_REASON_ERROR); + virNetClientMarkClose(client, closeReason); } if (events & (VIR_EVENT_HANDLE_HANGUP | VIR_EVENT_HANDLE_ERROR)) { VIR_DEBUG("VIR_EVENT_HANDLE_HANGUP or " "VIR_EVENT_HANDLE_ERROR encountered"); - virNetClientMarkClose(client, - (events & VIR_EVENT_HANDLE_HANGUP) ? - VIR_CONNECT_CLOSE_REASON_EOF : - VIR_CONNECT_CLOSE_REASON_ERROR); + virNetClientMarkClose(client, closeReason); goto done; } -- 2.12.2

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[libvirt] [PATCH v3 0/8] Rework sysfs handling
by Martin Kletzander 03 May '17

03 May '17

Basically all of these were ACKed, however I was on vacation and in the meatime there were changes. The virFileMock cannot be named 'mock' because it fails the 'noinline' test, but it doesn't actually mock anything, so I just renamed it. There was decision in another series to use the same naming for cache types and cache allocation scopes, so the types now are 'both', 'code', and 'data'. There was still no consensus reached with regards to the naming of that attribute (is it 'type' or 'scope'). The patches are fine otherwise. This version keeps it at 'type', we can change it before release or I can change it before pushing. All changes Erik wanted me to incorporate are there, except those that were optional and I felt like keeping the code as-is was better. Or those that I missed or forgot about (hopefully none). Martin Kletzander (8): tests: Add virfilewrapper -- the new super "mock" util: Remove virsysfs and instead enhance virFileReadValue* functions tests: Test vircaps2xmldata XMLs in virschematest tests: Add missing cache data for vircaps2xmltest Add host cache information in capabilities Init host cache info in drivers tests: Add support for more complicated hierarchies in vircaps2xmltest tests: Add resctrl test for vircaps2xmltest cfg.mk | 4 +- docs/schemas/capability.rng | 34 +++ src/Makefile.am | 2 - src/conf/capabilities.c | 205 ++++++++++++++- src/conf/capabilities.h | 29 +++ src/libvirt_private.syms | 17 +- src/lxc/lxc_conf.c | 3 + src/openvz/openvz_conf.c | 3 + src/phyp/phyp_driver.c | 3 + src/qemu/qemu_capabilities.c | 3 + src/uml/uml_conf.c | 3 + src/util/virfile.c | 204 ++++++++++++--- src/util/virfile.h | 14 +- src/util/virhostcpu.c | 39 +-- src/util/virsysfs.c | 231 ----------------- src/util/virsysfs.h | 70 ----- src/vbox/vbox_common.c | 3 + src/vmware/vmware_conf.c | 3 + src/vz/vz_driver.c | 2 + tests/Makefile.am | 7 +- .../linux-caches/cpu/cpu0/cache/index0/id | 1 + .../cpu/cpu0/cache/index0/shared_cpu_list | 2 +- .../cpu/cpu0/cache/index0/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu0/cache/index1/id | 1 + .../cpu/cpu0/cache/index1/shared_cpu_list | 2 +- .../cpu/cpu0/cache/index1/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu0/cache/index2/id | 1 + .../cpu/cpu0/cache/index2/shared_cpu_list | 2 +- .../cpu/cpu0/cache/index2/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu0/cache/index3/id | 1 + .../linux-caches/cpu/cpu1/cache/index0/id | 1 + .../cpu/cpu1/cache/index0/shared_cpu_list | 2 +- .../cpu/cpu1/cache/index0/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu1/cache/index1/id | 1 + .../cpu/cpu1/cache/index1/shared_cpu_list | 2 +- .../cpu/cpu1/cache/index1/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu1/cache/index2/id | 1 + .../cpu/cpu1/cache/index2/shared_cpu_list | 2 +- .../cpu/cpu1/cache/index2/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu1/cache/index3/id | 1 + .../linux-caches/cpu/cpu2/cache/index0/id | 1 + .../cpu/cpu2/cache/index0/shared_cpu_list | 2 +- .../cpu/cpu2/cache/index0/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu2/cache/index1/id | 1 + .../cpu/cpu2/cache/index1/shared_cpu_list | 2 +- .../cpu/cpu2/cache/index1/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu2/cache/index2/id | 1 + .../cpu/cpu2/cache/index2/shared_cpu_list | 2 +- .../cpu/cpu2/cache/index2/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu2/cache/index3/id | 1 + .../linux-caches/cpu/cpu3/cache/index0/id | 1 + .../cpu/cpu3/cache/index0/shared_cpu_list | 2 +- .../cpu/cpu3/cache/index0/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu3/cache/index1/id | 1 + .../cpu/cpu3/cache/index1/shared_cpu_list | 2 +- .../cpu/cpu3/cache/index1/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu3/cache/index2/id | 1 + .../cpu/cpu3/cache/index2/shared_cpu_list | 2 +- .../cpu/cpu3/cache/index2/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu3/cache/index3/id | 1 + .../linux-caches/cpu/cpu4/cache/index0/id | 1 + .../cpu/cpu4/cache/index0/shared_cpu_list | 2 +- .../cpu/cpu4/cache/index0/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu4/cache/index1/id | 1 + .../cpu/cpu4/cache/index1/shared_cpu_list | 2 +- .../cpu/cpu4/cache/index1/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu4/cache/index2/id | 1 + .../cpu/cpu4/cache/index2/shared_cpu_list | 2 +- .../cpu/cpu4/cache/index2/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu4/cache/index3/id | 1 + .../linux-caches/cpu/cpu5/cache/index0/id | 1 + .../cpu/cpu5/cache/index0/shared_cpu_list | 2 +- .../cpu/cpu5/cache/index0/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu5/cache/index1/id | 1 + .../cpu/cpu5/cache/index1/shared_cpu_list | 2 +- .../cpu/cpu5/cache/index1/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu5/cache/index2/id | 1 + .../cpu/cpu5/cache/index2/shared_cpu_list | 2 +- .../cpu/cpu5/cache/index2/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu5/cache/index3/id | 1 + .../linux-caches/cpu/cpu6/cache/index0/id | 1 + .../cpu/cpu6/cache/index0/shared_cpu_list | 2 +- .../cpu/cpu6/cache/index0/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu6/cache/index1/id | 1 + .../cpu/cpu6/cache/index1/shared_cpu_list | 2 +- .../cpu/cpu6/cache/index1/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu6/cache/index2/id | 1 + .../cpu/cpu6/cache/index2/shared_cpu_list | 2 +- .../cpu/cpu6/cache/index2/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu6/cache/index3/id | 1 + .../linux-caches/cpu/cpu7/cache/index0/id | 1 + .../cpu/cpu7/cache/index0/shared_cpu_list | 2 +- .../cpu/cpu7/cache/index0/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu7/cache/index1/id | 1 + .../cpu/cpu7/cache/index1/shared_cpu_list | 2 +- .../cpu/cpu7/cache/index1/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu7/cache/index2/id | 1 + .../cpu/cpu7/cache/index2/shared_cpu_list | 2 +- .../cpu/cpu7/cache/index2/shared_cpu_map | 2 +- .../linux-caches/cpu/cpu7/cache/index3/id | 1 + tests/vircaps2xmldata/linux-resctrl/resctrl/cpus | 1 + .../linux-resctrl/resctrl/info/L3/cbm_mask | 1 + .../linux-resctrl/resctrl/info/L3/min_cbm_bits | 1 + .../linux-resctrl/resctrl/info/L3/num_closids | 1 + .../linux-resctrl/resctrl/manualres/cpus | 1 + .../linux-resctrl/resctrl/manualres/schemata | 1 + .../linux-resctrl/resctrl/manualres/tasks | 0 .../vircaps2xmldata/linux-resctrl/resctrl/schemata | 1 + tests/vircaps2xmldata/linux-resctrl/resctrl/tasks | 0 .../linux-resctrl/system/cpu/cpu0/cache/index0/id | 1 + .../system/cpu/cpu0/cache/index0/level | 1 + .../system/cpu/cpu0/cache/index0/shared_cpu_list | 1 + .../system/cpu/cpu0/cache/index0/shared_cpu_map | 1 + .../system/cpu/cpu0/cache/index0/size | 1 + .../system/cpu/cpu0/cache/index0/type | 1 + .../linux-resctrl/system/cpu/cpu0/cache/index1/id | 1 + .../system/cpu/cpu0/cache/index1/level | 1 + .../system/cpu/cpu0/cache/index1/shared_cpu_list | 1 + 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linux-resctrl/system/cpu/cpu11/cache/index1/shared_cpu_list} (100%) create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu11/cache/index1/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu11/cache/index1/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu11/cache/index1/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu11/cache/index2/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu11/cache/index2/level copy tests/vircaps2xmldata/{linux-caches/cpu/cpu0/cache/index0/shared_cpu_map => linux-resctrl/system/cpu/cpu11/cache/index2/shared_cpu_list} (100%) create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu11/cache/index2/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu11/cache/index2/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu11/cache/index2/type create mode 100644 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100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu3/topology/physical_package_id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu3/topology/thread_siblings create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu3/topology/thread_siblings_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index0/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index0/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index0/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index0/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index0/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index0/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index1/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index1/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index1/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index1/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index1/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index1/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index2/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index2/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index2/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index2/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/cache/index2/size create mode 100644 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100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/topology/physical_package_id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/topology/thread_siblings create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu4/topology/thread_siblings_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/cache/index0/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/cache/index0/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/cache/index0/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/cache/index0/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/cache/index0/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/cache/index0/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/cache/index1/id create mode 100644 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tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/cache/index2/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/cache/index3/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/cache/index3/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/cache/index3/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/cache/index3/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/cache/index3/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/cache/index3/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/online create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/topology/core_id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/topology/core_siblings create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/topology/core_siblings_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/topology/physical_package_id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/topology/thread_siblings create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu5/topology/thread_siblings_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index0/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index0/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index0/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index0/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index0/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index0/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index1/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index1/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index1/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index1/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index1/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index1/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index2/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index2/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index2/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index2/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index2/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index2/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index3/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index3/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index3/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index3/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index3/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/cache/index3/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/online create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/topology/core_id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/topology/core_siblings create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/topology/core_siblings_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/topology/physical_package_id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/topology/thread_siblings create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu6/topology/thread_siblings_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index0/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index0/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index0/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index0/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index0/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index0/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index1/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index1/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index1/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index1/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index1/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index1/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index2/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index2/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index2/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index2/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index2/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index2/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index3/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index3/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index3/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index3/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index3/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/cache/index3/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/online create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/topology/core_id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/topology/core_siblings create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/topology/core_siblings_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/topology/physical_package_id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/topology/thread_siblings create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu7/topology/thread_siblings_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index0/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index0/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index0/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index0/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index0/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index0/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index1/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index1/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index1/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index1/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index1/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index1/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index2/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index2/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index2/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index2/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index2/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index2/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index3/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index3/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index3/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index3/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index3/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/cache/index3/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/online create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/topology/core_id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/topology/core_siblings create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/topology/core_siblings_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/topology/physical_package_id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/topology/thread_siblings create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu8/topology/thread_siblings_list copy tests/vircaps2xmldata/{linux-caches/cpu/cpu0/cache/index0/shared_cpu_map => linux-resctrl/system/cpu/cpu9/cache/index0/id} (100%) create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index0/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index0/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index0/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index0/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index0/type copy tests/vircaps2xmldata/{linux-caches/cpu/cpu0/cache/index0/shared_cpu_map => linux-resctrl/system/cpu/cpu9/cache/index1/id} (100%) create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index1/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index1/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index1/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index1/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index1/type copy tests/vircaps2xmldata/{linux-caches/cpu/cpu0/cache/index0/shared_cpu_map => linux-resctrl/system/cpu/cpu9/cache/index2/id} (100%) create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index2/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index2/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index2/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index2/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index2/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index3/id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index3/level create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index3/shared_cpu_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index3/shared_cpu_map create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index3/size create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/cache/index3/type create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/online create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/topology/core_id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/topology/core_siblings create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/topology/core_siblings_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/topology/physical_package_id create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/topology/thread_siblings create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/cpu9/topology/thread_siblings_list create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/online create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/cpu/present create mode 120000 tests/vircaps2xmldata/linux-resctrl/system/node/node0/cpu0 create mode 120000 tests/vircaps2xmldata/linux-resctrl/system/node/node0/cpu1 create mode 120000 tests/vircaps2xmldata/linux-resctrl/system/node/node0/cpu2 create mode 120000 tests/vircaps2xmldata/linux-resctrl/system/node/node0/cpu3 create mode 120000 tests/vircaps2xmldata/linux-resctrl/system/node/node0/cpu4 create mode 120000 tests/vircaps2xmldata/linux-resctrl/system/node/node0/cpu5 create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node0/cpulist create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node0/cpumap create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node0/distance create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node0/hugepages/hugepages-1048576kB/free_hugepages create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node0/hugepages/hugepages-1048576kB/nr_hugepages create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node0/hugepages/hugepages-1048576kB/surplus_hugepages create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node0/hugepages/hugepages-2048kB/free_hugepages create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node0/hugepages/hugepages-2048kB/surplus_hugepages create mode 120000 tests/vircaps2xmldata/linux-resctrl/system/node/node1/cpu10 create mode 120000 tests/vircaps2xmldata/linux-resctrl/system/node/node1/cpu11 create mode 120000 tests/vircaps2xmldata/linux-resctrl/system/node/node1/cpu6 create mode 120000 tests/vircaps2xmldata/linux-resctrl/system/node/node1/cpu7 create mode 120000 tests/vircaps2xmldata/linux-resctrl/system/node/node1/cpu8 create mode 120000 tests/vircaps2xmldata/linux-resctrl/system/node/node1/cpu9 create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node1/cpulist create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node1/cpumap create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node1/distance create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node1/hugepages/hugepages-1048576kB/free_hugepages create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node1/hugepages/hugepages-1048576kB/nr_hugepages create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node1/hugepages/hugepages-1048576kB/surplus_hugepages create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node1/hugepages/hugepages-2048kB/free_hugepages create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node1/hugepages/hugepages-2048kB/nr_hugepages create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/node1/hugepages/hugepages-2048kB/surplus_hugepages create mode 100644 tests/vircaps2xmldata/linux-resctrl/system/node/online create mode 100644 tests/vircaps2xmldata/vircaps-x86_64-resctrl.xml create mode 100644 tests/virfilewrapper.c rename src/util/virsysfspriv.h => tests/virfilewrapper.h (69%) -- 2.12.2

4 18

[libvirt] [PATCH] qemu: Fix persistent migration of transient domains
by Jiri Denemark 02 May '17

02 May '17

While fixing a bug with incorrectly freed memory in commit v3.1.0-399-g5498aa29a, I accidentally broke persistent migration of transient domains. Before adding qemuDomainDefCopy in the path, the code just took NULL from vm->newDef and used it as the persistent def, which resulted in no persistent XML being sent in the migration cookie. This scenario is perfectly valid and the destination correctly handles it by using the incoming live definition and storing it as the persistent one. After the mentioned commit libvirtd would just segfault in the described scenario. https://bugzilla.redhat.com/show_bug.cgi?id=1446205 Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com> --- src/qemu/qemu_migration.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c index 30f98da1e..3c0d7e957 100644 --- a/src/qemu/qemu_migration.c +++ b/src/qemu/qemu_migration.c @@ -3640,15 +3640,15 @@ qemuMigrationRun(virQEMUDriverPtr driver, if (flags & VIR_MIGRATE_PERSIST_DEST) { if (persist_xml) { - persistDef = qemuMigrationPrepareDef(driver, persist_xml, - NULL, NULL); - } else { - persistDef = qemuDomainDefCopy(driver, vm->newDef, - VIR_DOMAIN_XML_SECURE | - VIR_DOMAIN_XML_MIGRATABLE); + if (!(persistDef = qemuMigrationPrepareDef(driver, persist_xml, + NULL, NULL))) + goto cleanup; + } else if (vm->newDef) { + if (!(persistDef = qemuDomainDefCopy(driver, vm->newDef, + VIR_DOMAIN_XML_SECURE | + VIR_DOMAIN_XML_MIGRATABLE))) + goto cleanup; } - if (!persistDef) - goto cleanup; } mig = qemuMigrationEatCookie(driver, vm, cookiein, cookieinlen, -- 2.12.2

2 1

[libvirt] [PATCH] Fix padding of encrypted data
by Daniel P. Berrange 02 May '17

02 May '17

If we are encoding a block of data that is 16 bytes in length, we cannot leave it as 16 bytes, we must pad it out to the next block boundary, 32 bytes. Without this padding, the decoder will incorrectly treat the last byte of plain text as the padding length, as it can't distinguish padded from non-padded data. The problem exhibited itself when using a 16 byte passphrase for a LUKS volume $ virsh secret-set-value 55806c7d-8e93-456f-829b-607d8c198367 \ $(echo -n 1234567812345678 | base64) Secret value set $ virsh start demo error: Failed to start domain demo error: internal error: process exited while connecting to monitor: >>>>>>>>>>Len 16 2017-05-02T10:35:40.016390Z qemu-system-x86_64: -object \ secret,id=virtio-disk1-luks-secret0,data=SEtNi5vDUeyseMKHwc1c1Q==,\ keyid=masterKey0,iv=zm7apUB1A6dPcH53VW960Q==,format=base64: \ Incorrect number of padding bytes (56) found on decrypted data Notice how the padding '56' corresponds to the ordinal value of the character '8'. Signed-off-by: Daniel P. Berrange <berrange(a)redhat.com> --- src/util/vircrypto.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/src/util/vircrypto.c b/src/util/vircrypto.c index 8748e1c..48b04fc 100644 --- a/src/util/vircrypto.c +++ b/src/util/vircrypto.c @@ -152,8 +152,14 @@ virCryptoEncryptDataAESgnutls(gnutls_cipher_algorithm_t gnutls_enc_alg, uint8_t *ciphertext; size_t ciphertextlen; - /* Allocate a padded buffer, copy in the data */ - ciphertextlen = VIR_ROUND_UP(datalen, 16); + /* Allocate a padded buffer, copy in the data. + * + * NB, we must *always* have at least 1 byte of + * padding - we can't skip it on multiples of + * 16, otherwise decoder can't distinguish padded + * data from non-padded data. Hence datalen + 1 + */ + ciphertextlen = VIR_ROUND_UP(datalen + 1, 16); if (VIR_ALLOC_N(ciphertext, ciphertextlen) < 0) return -1; memcpy(ciphertext, data, datalen); -- 2.9.3

2 1

[libvirt] Symptoms of main loop slowing down in libvirtd
by Prerna 02 May '17

02 May '17

Hi all, On my host, I have been seeing instances of keepalive responses slow down intermittently when issuing bulk power offs. With some tips from Danpb on the channel, I was able to trace via systemtap that the main event loop would not run for about 6-9 seconds. This would stall keepalives and kill client connections. I was able to trace it to the fact that qemuProcessHandleEvent() needed the vm lock, and this was called from the main loop. I had hook scripts that slightly elongated the time the power off RPC completed and the subsequent keepalive delays were noticeable. I agree that the easiest solution is to unblock the Vm lock before hook scripts are activated. However, I was wondering why we contend on the per-Vm lock directly from the main loop at all ? Can we do this instead : have the main loop "park" events to a separate event queue, and then have a dedicated thread pool in the qemu driver pick these raw events and then try grabbing the per-vm lock for that VM ? That way, we can be sure that the main event loop is _never_ delayed irrespective of an RPC dragging on. If this sounds reasonable I will be happy to post the driver rewrite patches to that end. Regards, Prerna

3 7

[libvirt] [PATCH] qemu: Don't reset "events" migration capability
by Jiri Denemark 02 May '17

02 May '17

When creating v3.2.0-77-g8be3ccd04 commit, I completely forgot that one migration capability is very special. It's the "events" capability which tells QEMU to report "MIGRATION" events. Since libvirt always wants the events, it is enabled in qemuConnectMonitor and the rest of the code should not touch it. https://bugzilla.redhat.com/show_bug.cgi?id=1439841 https://bugzilla.redhat.com/show_bug.cgi?id=1441165 Messed-up-by: Jiri Denemark <jdenemar(a)redhat.com> Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com> --- src/qemu/qemu_migration.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c index b4507a3ae..30f98da1e 100644 --- a/src/qemu/qemu_migration.c +++ b/src/qemu/qemu_migration.c @@ -5919,6 +5919,11 @@ qemuMigrationReset(virQEMUDriverPtr driver, goto cleanup; for (cap = 0; cap < QEMU_MONITOR_MIGRATION_CAPS_LAST; cap++) { + /* "events" capability is set (when supported) in qemuConnectMonitor + * and should never be cleared */ + if (cap == QEMU_MONITOR_MIGRATION_CAPS_EVENTS) + continue; + if (qemuMigrationSetOption(driver, vm, cap, false, job) < 0) goto cleanup; } -- 2.12.2

2 1

[libvirt] [PATCH 0/2] Add support for some useful vim plugins
by Andrea Bolognani 02 May '17

02 May '17

libclang can be integrated into vim in pretty useful ways, notably to provide semantic syntax highlighting and code completion. This series enables basic support for both (through the color_coded and YouCompleteMe plugin respectively) by creating the required per-project configuration files automatically at configure time. Note that external libraries (eg. libxml2) are not being processed at the moment, but even with this basic configuration the plugins can be very useful. More sophisticated support can be worked in later on. Visual comparison: http://imgur.com/a/TBJsz Andrea Bolognani (2): Add color_coded support Add YouCompleteMe support .color_coded.in | 40 ++++++++++++++++++++++++++++++++++++++++ .gitignore | 2 ++ .ycm_extra_conf.py.in | 45 +++++++++++++++++++++++++++++++++++++++++++++ configure.ac | 2 ++ 4 files changed, 89 insertions(+) create mode 100644 .color_coded.in create mode 100644 .ycm_extra_conf.py.in -- 2.7.4

2 11

[libvirt] [PATCH RFC V2] RFC: Reimplement cache allocation for a VM
by Eli Qiao 02 May '17

02 May '17

This is a RFC patch for the reimplement of `support cache tune(CAT) in libvirt`[1]. This patch defines some structs to represent data struct in linux resctrl fs which will be used later to do cache allocation. The patch expose a private interface `virResctrlFreeSchemata`, which will be used to query the cache allocation on the host. Also added unit test cases to test this interface can works well. There are already patch sets[2] to address it, and functional works, but people doesn't like it cause it has global variable, and missing unit test case for new added capabilites, etc. Martin has proposed a test infra to do vircaps2xmltest, and I extened it on top of it to extend resctrl control[3], this is kinds of new desiged apart from [2], so I propose this RFC patch to do some rework on it. [1] https://www.redhat.com/archives/libvir-list/2017-January/msg00683.html [2] https://www.redhat.com/archives/libvir-list/2017-March/msg00181.html [3] https://www.redhat.com/archives/libvir-list/2017-April/msg00516.html --- include/libvirt/virterror.h | 1 + src/Makefile.am | 1 + src/libvirt_private.syms | 6 + src/util/virerror.c | 1 + src/util/virresctrl.c | 423 ++++++++++++++++++++++++++++++ src/util/virresctrl.h | 86 ++++++ tests/Makefile.am | 7 +- tests/virresctrldata/L3-free.schemata | 1 + tests/virresctrldata/L3CODE-free.schemata | 1 + tests/virresctrldata/L3DATA-free.schemata | 1 + tests/virresctrltest.c | 117 +++++++++ 11 files changed, 644 insertions(+), 1 deletion(-) create mode 100644 src/util/virresctrl.c create mode 100644 src/util/virresctrl.h create mode 100644 tests/virresctrldata/L3-free.schemata create mode 100644 tests/virresctrldata/L3CODE-free.schemata create mode 100644 tests/virresctrldata/L3DATA-free.schemata create mode 100644 tests/virresctrltest.c diff --git a/include/libvirt/virterror.h b/include/libvirt/virterror.h index 2efee8f..4bc0c74 100644 --- a/include/libvirt/virterror.h +++ b/include/libvirt/virterror.h @@ -132,6 +132,7 @@ typedef enum { VIR_FROM_PERF = 65, /* Error from perf */ VIR_FROM_LIBSSH = 66, /* Error from libssh connection transport */ + VIR_FROM_RESCTRL = 67, /* Error from resctrl */ # ifdef VIR_ENUM_SENTINELS VIR_ERR_DOMAIN_LAST diff --git a/src/Makefile.am b/src/Makefile.am index 60eba37..0ae2af5 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -165,6 +165,7 @@ UTIL_SOURCES = \ util/virprocess.c util/virprocess.h \ util/virqemu.c util/virqemu.h \ util/virrandom.h util/virrandom.c \ + util/virresctrl.h util/virresctrl.c \ util/virrotatingfile.h util/virrotatingfile.c \ util/virscsi.c util/virscsi.h \ util/virscsihost.c util/virscsihost.h \ diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index 9d7760d..b7225fe 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -2396,6 +2396,12 @@ virRandomGenerateWWN; virRandomInt; +# util/virresctrl.h +virResctrlFreeSchemata; +virResctrlGetFreeCache; +virResctrlTypeToString; + + # util/virrotatingfile.h virRotatingFileReaderConsume; virRotatingFileReaderFree; diff --git a/src/util/virerror.c b/src/util/virerror.c index ef17fb5..02fabcc 100644 --- a/src/util/virerror.c +++ b/src/util/virerror.c @@ -139,6 +139,7 @@ VIR_ENUM_IMPL(virErrorDomain, VIR_ERR_DOMAIN_LAST, "Perf", /* 65 */ "Libssh transport layer", + "Resource Control", ) diff --git a/src/util/virresctrl.c b/src/util/virresctrl.c new file mode 100644 index 0000000..778c2ec --- /dev/null +++ b/src/util/virresctrl.c @@ -0,0 +1,423 @@ +/* + * virresctrl.c: methods for managing resource control + * + * Copyright (C) 2017 Intel, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library. If not, see + * <http://www.gnu.org/licenses/>. + * + * Authors: + * Eli Qiao <liyong.qiao(a)intel.com> + */ + +#include <config.h> +#include <fcntl.h> +#include <sys/file.h> +#include <sys/stat.h> +#include <sys/types.h> + +#include "virresctrl.h" +#include "virerror.h" +#include "virlog.h" +#include "viralloc.h" +#include "virstring.h" +#include "virfile.h" + +VIR_LOG_INIT("util.resctrl"); + +#define VIR_FROM_THIS VIR_FROM_RESCTRL +#define SYSFS_RESCTRL_PATH "/sys/fs/resctrl/" + +VIR_ENUM_IMPL(virResctrl, VIR_RESCTRL_TYPE_LAST, + "L3", + "L3CODE", + "L3DATA", + "L2") + +/** + * a virResctrlDomain represents a resource control group, it's a directory + * under /sys/fs/resctrl. + * eg: /sys/fs/resctrl/CG1 + * |-- cpus + * |-- schemata + * `-- tasks + * # cat schemata + * L3DATA:0=fffff;1=fffff + * L3CODE:0=fffff;1=fffff + * + * Besides, it can also represent the default resource control group of the + * host. + */ + +typedef struct _virResctrlGroup virResctrlGroup; +typedef virResctrlGroup *virResctrlGroupPtr; +struct _virResctrlGroup { + char *name; /* resource group name, eg: CG1. If it represent host's + default resource group name, should be a NULL pointer */ + size_t n_tasks; /* number of task assigned to the resource group */ + char **tasks; /* task list which contains task id eg: 77454 */ + + size_t n_schematas; /* number of schemata the resource group contains, + eg: 2 */ + virResctrlSchemataPtr *schematas; /* scheamta list */ +}; + +/* All resource control groups on this host, including default resource group */ +typedef struct _virResctrlDomain virResctrlDomain; +typedef virResctrlDomain *virResctrlDomainPtr; +struct _virResctrlDomain { + size_t n_groups; /* number of resource control group */ + virResctrlGroupPtr *groups; /* list of resource control group */ +}; + +void +virResctrlFreeSchemata(virResctrlSchemataPtr ptr) +{ + size_t i; + + if (!ptr) + return; + + for (i = 0; i < ptr->n_schemata_items; i++) + VIR_FREE(ptr->schemata_items[i]); +} + +static void +virResctrlFreeGroup(virResctrlGroupPtr ptr) +{ + size_t i; + + if (!ptr) + return; + + for (i = 0; i < ptr->n_tasks; i++) + VIR_FREE(ptr->tasks[i]); + + for (i = 0; i < ptr->n_schematas; i++) { + virResctrlFreeSchemata(ptr->schematas[i]); + VIR_FREE(ptr->schematas[i]); + } +} + +static void +virResctrlFreeDomain(virResctrlDomainPtr ptr) +{ + size_t i; + + if (!ptr) + return; + + for (i = 0; i < ptr->n_groups; i++) { + virResctrlFreeGroup(ptr->groups[i]); + VIR_FREE(ptr->groups[i]); + } +} + +static int +virResctrlCopySchemata(virResctrlSchemataPtr src, + virResctrlSchemataPtr *dst) +{ + size_t i; + virResctrlSchemataItemPtr schemataitem; + virResctrlSchemataPtr schemata; + + if (VIR_ALLOC(schemata) < 0) + return -1; + + schemata->type = src->type; + + for (i = 0; i < src->n_schemata_items; i++) { + if (VIR_ALLOC(schemataitem) < 0) + goto error; + + schemataitem->cache_id = src->schemata_items[i]->cache_id; + schemataitem->continuous_schemata = src->schemata_items[i]->continuous_schemata; + schemataitem->schemata = src->schemata_items[i]->schemata; + schemataitem->size = src->schemata_items[i]->size; + + if (VIR_APPEND_ELEMENT(schemata->schemata_items, + schemata->n_schemata_items, + schemataitem) < 0) + goto error; + } + + *dst = schemata; + + return 0; + + error: + virResctrlFreeSchemata(schemata); + return -1; +} + +static int +virResctrlGetSchemataString(virResctrlType type, + const char *name, + char **schemata) +{ + int rc = -1; + char *tmp = NULL; + char *end = NULL; + char *buf = NULL; + char *type_suffix = NULL; + + if (virFileReadValueString(&buf, + SYSFS_RESCTRL_PATH "%s/schemata", + name ? name : "") < 0) + return -1; + + if (virAsprintf(&type_suffix, + "%s:", + virResctrlTypeToString(type)) < 0) + goto cleanup; + + tmp = strstr(buf, type_suffix); + + if (!tmp) + goto cleanup; + + end = strchr(tmp, '\n'); + if (end != NULL) + *end = '\0'; + + if (VIR_STRDUP(*schemata, tmp) < 0) + goto cleanup; + + rc = 0; + + cleanup: + VIR_FREE(buf); + VIR_FREE(type_suffix); + return rc; +} + +static int +virResctrlLoadSchemata(const char* schemata_str, + virResctrlSchemataPtr schemata) +{ + VIR_DEBUG("%s, %p\n", schemata_str, schemata); + + int ret = -1; + char **lists = NULL; + char **sms = NULL; + char **sis = NULL; + size_t i; + virResctrlSchemataItemPtr si; + + /* parse L3:0=fffff;1=f */ + lists = virStringSplit(schemata_str, ":", 2); + + if ((!lists) || (!lists[1])) + goto cleanup; + + /* parse 0=fffff;1=f */ + sms = virStringSplit(lists[1], ";", 0); + if (!sms) + goto cleanup; + + for (i = 0; sms[i] != NULL; i++) { + /* parse 0=fffff */ + sis = virStringSplit(sms[i], "=", 2); + if (!sis) + goto cleanup; + + if (VIR_ALLOC(si) < 0) + goto cleanup; + + if (virStrToLong_ui(sis[0], NULL, 10, &si->cache_id) < 0) + goto cleanup; + + if (virStrToLong_ui(sis[1], NULL, 16, &si->continuous_schemata) < 0) + goto cleanup; + + si->schemata = si->continuous_schemata; + + if (VIR_APPEND_ELEMENT(schemata->schemata_items, + schemata->n_schemata_items, + si) < 0) + goto cleanup; + + } + + ret = 0; + + cleanup: + VIR_FREE(si); + virStringListFree(lists); + virStringListFree(sms); + virStringListFree(sis); + return ret; +} + +static int +virResctrlLoadGroup(const char *name, + virResctrlDomainPtr dom) +{ + VIR_DEBUG("%s, %p\n", name, dom); + + int ret = -1; + char *path = NULL; + char *schemata_str; + virResctrlType i; + int rv; + virResctrlGroupPtr grp; + virResctrlSchemataPtr schemata; + + if ((virAsprintf(&path, "%s/%s", SYSFS_RESCTRL_PATH, name)) < 0) + return -1; + + if (!virFileExists(path)) + goto cleanup; + + if (VIR_ALLOC(grp) < 0) + goto cleanup; + + if (VIR_STRDUP(grp->name, name) < 0) + goto cleanup; + + for (i = 0; i < VIR_RESCTRL_TYPE_LAST; i++) { + rv = virResctrlGetSchemataString(i, name, &schemata_str); + if (rv < 0) + continue; + + if (VIR_ALLOC(schemata) < 0) + goto cleanup; + + schemata->type = i; + + if (virResctrlLoadSchemata(schemata_str, schemata) < 0) + goto cleanup; + + VIR_FREE(schemata_str); + + if (VIR_APPEND_ELEMENT(grp->schematas, + grp->n_schematas, + schemata) < 0) + goto cleanup; + + virResctrlFreeSchemata(schemata); + } + + if (VIR_APPEND_ELEMENT(dom->groups, + dom->n_groups, + grp) < 0) + goto cleanup; + + ret = 0; + + cleanup: + VIR_FREE(path); + virResctrlFreeGroup(grp); + return ret; +} + +static int +virResctrlLoadDomain(virResctrlDomainPtr dom) +{ + int ret = -1; + int rv = -1; + DIR *dirp = NULL; + char *path = NULL; + struct dirent *ent; + + VIR_DEBUG("%s, %p\n", "", dom); + + rv = virDirOpenIfExists(&dirp, SYSFS_RESCTRL_PATH); + + if (rv < 0) + goto cleanup; + + /* load default resctrl group */ + if (virResctrlLoadGroup("", dom) < 0) + goto cleanup; + + while ((rv = virDirRead(dirp, &ent, path)) > 0) { + /* only read directory in resctrl */ + if ((ent->d_type != DT_DIR) || STREQ(ent->d_name, "info")) + continue; + + if (virResctrlLoadGroup(ent->d_name, dom) < 0) + goto cleanup; + } + + ret = 0; + + cleanup: + virDirClose(&dirp); + return ret; +} + +static void +virResctrlRefreshDom(virResctrlDomainPtr dom, virResctrlType type) +{ + size_t i; + size_t j; + size_t k; + + virResctrlGroupPtr default_grp = NULL; + virResctrlGroupPtr grp = NULL; + virResctrlSchemataPtr schemata = NULL; + virResctrlSchemataItemPtr schemataitem = NULL; + + default_grp = dom->groups[0]; + + /* We are sure that the first group is the default one */ + for (i = 1; i < dom->n_groups; i++) { + grp = dom->groups[i]; + for (j = 0; j < grp->n_schematas; j++) { + schemata = grp->schematas[j]; + /* we can only calculate one type of schemata */ + if (schemata->type != type) + continue; + for (k = 0; k < schemata->n_schemata_items; k++) { + schemataitem = schemata->schemata_items[k]; + /* if the schemata = 1, ignore it */ + if (schemataitem->continuous_schemata > 1) + /* calculate default schemata, it can be non-continuous */ + default_grp->schematas[j]->schemata_items[k]->schemata &= ~(schemataitem->continuous_schemata); + } + } + } +} + +int virResctrlGetFreeCache(virResctrlType type, + virResctrlSchemataPtr *schemata) +{ + VIR_DEBUG("%d, %p\n", type, schemata); + int ret = -1; + size_t i; + virResctrlDomainPtr dom = NULL; + virResctrlGroupPtr grp = NULL; + + if (VIR_ALLOC(dom) < 0) + return -1; + + if (virResctrlLoadDomain(dom) < 0) + goto cleanup; + + virResctrlRefreshDom(dom, type); + grp = dom->groups[0]; + + for (i = 0; i < grp->n_schematas; i ++) + if (grp->schematas[i]->type == type) + if (virResctrlCopySchemata(grp->schematas[i], schemata) < 0) + goto cleanup; + + if (schemata != NULL) + ret = 0; + + cleanup: + virResctrlFreeDomain(dom); + return ret; +} diff --git a/src/util/virresctrl.h b/src/util/virresctrl.h new file mode 100644 index 0000000..1b040d4 --- /dev/null +++ b/src/util/virresctrl.h @@ -0,0 +1,86 @@ +/* + * virresctrl.h: header for managing resctrl control + * + * Copyright (C) 2017 Intel, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library. If not, see + * <http://www.gnu.org/licenses/>. + * + * Authors: + * Eli Qiao <liyong.qiao(a)intel.com> + */ + +#ifndef __VIR_RESCTRL_H__ +# define __VIR_RESCTRL_H__ + +#include "virutil.h" + +typedef enum { + VIR_RESCTRL_TYPE_L3, + VIR_RESCTRL_TYPE_L3_CODE, + VIR_RESCTRL_TYPE_L3_DATA, + VIR_RESCTRL_TYPE_L2, + + VIR_RESCTRL_TYPE_LAST +} virResctrlType; + +VIR_ENUM_DECL(virResctrl); + +/* + * a virResctrlSchemataItem represents one of schemata object in a + * resource control group. + * eg: 0=f + */ +typedef struct _virResctrlSchemataItem virResctrlSchemataItem; +typedef virResctrlSchemataItem *virResctrlSchemataItemPtr; +struct _virResctrlSchemataItem { + unsigned int cache_id; /* cache resource id, eg: 0 */ + unsigned int continuous_schemata; /* schemata, should be a continuous bits, + eg: f, this schemata can be persisted + to sysfs */ + unsigned int schemata; /* schemata eg: f0f, a schemata which is calculated + at running time */ + unsigned long long size; /* the cache size schemata represented in B, + eg: (min * bits of continuous_schemata) */ +}; + +/* + * a virResctrlSchemata represents schemata objects of specific type of + * resource in a resource control group. + * eg: L3:0=f,1=ff + */ +typedef struct _virResctrlSchemata virResctrlSchemata; +typedef virResctrlSchemata *virResctrlSchemataPtr; +struct _virResctrlSchemata { + virResctrlType type; /* resource control type, eg: L3 */ + size_t n_schemata_items; /* number of schemata item, eg: 2 */ + virResctrlSchemataItemPtr *schemata_items; /* pointer list of schemata item */ +}; + +/* Get free cache of the host, result saved in schemata */ +int virResctrlGetFreeCache(virResctrlType type, + virResctrlSchemataPtr *schemata); + + +/* TODO Need to first define virDomainCachetunePtr */ +/* Set cache allocation for a VM domain */ +// int virResctrlSetCacheBanks(virDomainCachetunePtr cachetune, +// unsigned char *group_name, +// size_t n_pids, +// pid_t *pids); +// +/* remove cache allocation for a VM domain */ +// int virResctrlRemoveCacheBanks(unsigned char *group_name); +void virResctrlFreeSchemata(virResctrlSchemataPtr ptr); +#endif diff --git a/tests/Makefile.am b/tests/Makefile.am index 3cc828d..0e09e43 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -229,6 +229,7 @@ if WITH_LINUX test_programs += fchosttest test_programs += scsihosttest test_programs += vircaps2xmltest +test_programs += virresctrltest test_libraries += virusbmock.la \ virnetdevbandwidthmock.la \ virnumamock.la \ @@ -1150,6 +1151,10 @@ vircaps2xmltest_SOURCES = \ vircaps2xmltest.c testutils.h testutils.c virfilemock.c vircaps2xmltest_LDADD = $(LDADDS) +virresctrltest_SOURCES = \ + virresctrltest.c testutils.h testutils.c virfilemock.c +virresctrltest_LDADD = $(LDADDS) + virnumamock_la_SOURCES = \ virnumamock.c virnumamock_la_CFLAGS = $(AM_CFLAGS) @@ -1157,7 +1162,7 @@ virnumamock_la_LDFLAGS = $(MOCKLIBS_LDFLAGS) virnumamock_la_LIBADD = $(MOCKLIBS_LIBS) else ! WITH_LINUX -EXTRA_DIST += vircaps2xmltest.c virnumamock.c +EXTRA_DIST += vircaps2xmltest.c virresctrltest.c virnumamock.c endif ! WITH_LINUX if WITH_NSS diff --git a/tests/virresctrldata/L3-free.schemata b/tests/virresctrldata/L3-free.schemata new file mode 100644 index 0000000..9b47d25 --- /dev/null +++ b/tests/virresctrldata/L3-free.schemata @@ -0,0 +1 @@ +L3:0=1ffff;1=1ffff diff --git a/tests/virresctrldata/L3CODE-free.schemata b/tests/virresctrldata/L3CODE-free.schemata new file mode 100644 index 0000000..7039c45 --- /dev/null +++ b/tests/virresctrldata/L3CODE-free.schemata @@ -0,0 +1 @@ +L3CODE:0=cffff;1=cffff diff --git a/tests/virresctrldata/L3DATA-free.schemata b/tests/virresctrldata/L3DATA-free.schemata new file mode 100644 index 0000000..30f1cbd --- /dev/null +++ b/tests/virresctrldata/L3DATA-free.schemata @@ -0,0 +1 @@ +L3DATA:0=3ffff;1=3ffff diff --git a/tests/virresctrltest.c b/tests/virresctrltest.c new file mode 100644 index 0000000..4926468 --- /dev/null +++ b/tests/virresctrltest.c @@ -0,0 +1,117 @@ +/* + * Copyright (C) Intel, Inc. 2017 + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library. If not, see + * <http://www.gnu.org/licenses/>. + * + * Authors: + * Eli Qiao <liyong.qiao(a)intel.com> + */ + +#include <config.h> +#include <stdlib.h> + +#include "testutils.h" +#include "virbitmap.h" +#include "virfilemock.h" +#include "virresctrl.h" + + +#define VIR_FROM_THIS VIR_FROM_NONE + +struct virResctrlData { + const char *filename; + virResctrlType type; +}; + +static void +GetSchemataStr(virResctrlSchemataPtr schemata, char **str) +{ + size_t i; + virBuffer buf = VIR_BUFFER_INITIALIZER; + virBufferAsprintf(&buf, "%s:%u=%x", + virResctrlTypeToString(schemata->type), + schemata->schemata_items[0]->cache_id, + schemata->schemata_items[0]->schemata); + + for (i = 1; i < schemata->n_schemata_items; i ++) + virBufferAsprintf(&buf, ";%u=%x", + schemata->schemata_items[i]->cache_id, + schemata->schemata_items[i]->schemata); + + *str = virBufferContentAndReset(&buf); +} + +static int +test_virResctrl(const void *opaque) +{ + struct virResctrlData *data = (struct virResctrlData *) opaque; + char *dir = NULL; + char *resctrl = NULL; + int ret = -1; + virResctrlSchemataPtr schemata = NULL; + char *schemata_str; + char *schemata_file; + + if (virAsprintf(&resctrl, "%s/virresctrldata/linux-%s/resctrl", + abs_srcdir, data->filename) < 0) + goto cleanup; + + if (virAsprintf(&schemata_file, "%s/virresctrldata/%s-free.schemata", + abs_srcdir, virResctrlTypeToString(data->type)) < 0) + goto cleanup; + + virFileMockAddPrefix("/sys/fs/resctrl", resctrl); + + if (virResctrlGetFreeCache(data->type, &schemata) < 0) + goto cleanup; + + GetSchemataStr(schemata, &schemata_str); + + if (virTestCompareToFile(schemata_str, schemata_file) < 0) + goto cleanup; + + virFileMockClearPrefixes(); + + ret = 0; + + cleanup: + VIR_FREE(dir); + VIR_FREE(resctrl); + VIR_FREE(schemata_str); + virResctrlFreeSchemata(schemata); + return ret; +} + +static int +mymain(void) +{ + int ret = 0; + +#define DO_TEST_FULL(filename, type) \ + do { \ + struct virResctrlData data = {filename, \ + type}; \ + if (virTestRun(filename, test_virResctrl, &data) < 0) \ + ret = -1; \ + } while (0) + + DO_TEST_FULL("resctrl", VIR_RESCTRL_TYPE_L3); + DO_TEST_FULL("resctrl-cdp", VIR_RESCTRL_TYPE_L3_CODE); + DO_TEST_FULL("resctrl-cdp", VIR_RESCTRL_TYPE_L3_DATA); + + return ret; +} + +VIR_TEST_MAIN_PRELOAD(mymain, abs_builddir "/.libs/virnumamock.so") -- 1.9.1

3 3

[libvirt] Making panic great again
by Ed Swierk 02 May '17

02 May '17

The panic device is currently documented as a way for "libvirt to receive panic notification from a QEMU guest". This is true, but not the whole story. When a guest triggers the panic device, QEMU pauses the guest, and libvirt takes the action specified by on_crash. This can interfere with the guest's own crash handling actions (e.g. writing a dump file and rebooting itself) if the guest triggers the panic device first (as Windows does). None of this is an obvious side effect of a notification mechanism, so the panic device documentation should mention it. (I'll send a documentation patch shortly.) Nor is this a desirable side effect, for guests that are configured to deal with crashes themselves. Sure, you can avoid using the panic device with such guests, but then virsh list or another application using the libvirt API to monitor domain state won't notice guest crashes. And if you still want libvirt to take action on guests that don't do it themselves, then you have to be careful to include the panic device only for those domains. Ideally libvirt would offer (1) a state indicating "this guest crashed and needs help" independently of triggering an action, and (2) a way to trigger an action only when needed to recover from the crash, excluding guests that deal with their own crashes. Sadly pvpanic and the HyperV crash MSR convey only that the guest crashed, not whether the guest is configured to take some action on its own. So there's no way to know precisely that a crashed (and not paused) guest is in need of assistance. But a state indicating "this guest crashed N minutes ago and hasn't rebooted itself" would be a useful approximation. And triggering an action N minutes after a guest crash if it hasn't rebooted itself in the meantime would make it easy to cap the downtime of crashed domains. Both could be implemented without changing either QEMU or panic device semantics. Does this seem useful to anyone else? --Ed

4 7

[libvirt] [PATCH] virsh-domain-monitor: add human readable output for 'domblkinfo'.
by Julio Faracco 02 May '17

02 May '17

The virsh command 'domblkinfo' returns the capacity, allocation and phisycal size of the devices attached in a domain. Usually, this sizes are very big and hard to understand and calculate. This commits introduce a human readable support to check the size of each field easilly. For example, the command today: virsh # domblkinfo my_domain hda Capacity: 21474836480 Allocation: 14875545600 Physical: 21474836480 After this patch: virsh # domblkinfo my_domain hda --human Capacity: 20.0G Allocation: 13.9G Physical: 20.0G This commit supports Bytes, KiB and MiB too. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1330940 Signed-off-by: Julio Faracco <jcfaracco(a)gmail.com> --- tools/virsh-domain-monitor.c | 41 ++++++++++++++++++++++++++++++++++++++--- tools/virsh.pod | 5 +++-- 2 files changed, 41 insertions(+), 5 deletions(-) diff --git a/tools/virsh-domain-monitor.c b/tools/virsh-domain-monitor.c index 3db4795..755d740 100644 --- a/tools/virsh-domain-monitor.c +++ b/tools/virsh-domain-monitor.c @@ -396,6 +396,10 @@ static const vshCmdOptDef opts_domblkinfo[] = { .flags = VSH_OFLAG_REQ, .help = N_("block device") }, + {.name = "human", + .type = VSH_OT_BOOL, + .help = N_("Human readable output") + }, {.name = NULL} }; @@ -405,6 +409,7 @@ cmdDomblkinfo(vshControl *ctl, const vshCmd *cmd) virDomainBlockInfo info; virDomainPtr dom; bool ret = false; + bool human = false; const char *device = NULL; if (!(dom = virshCommandOptDomain(ctl, cmd, NULL))) @@ -416,9 +421,39 @@ cmdDomblkinfo(vshControl *ctl, const vshCmd *cmd) if (virDomainGetBlockInfo(dom, device, &info, 0) < 0) goto cleanup; - vshPrint(ctl, "%-15s %llu\n", _("Capacity:"), info.capacity); - vshPrint(ctl, "%-15s %llu\n", _("Allocation:"), info.allocation); - vshPrint(ctl, "%-15s %llu\n", _("Physical:"), info.physical); + human = vshCommandOptBool(cmd, "human"); + + if (!human) { + vshPrint(ctl, "%-15s %llu\n", _("Capacity:"), info.capacity); + vshPrint(ctl, "%-15s %llu\n", _("Allocation:"), info.allocation); + vshPrint(ctl, "%-15s %llu\n", _("Physical:"), info.physical); + } else { + double sizeCapacity = 1; + const char *sizeStr = "B"; + + /* Check if capacity can be in K. */ + if (info.capacity >= 1024) { + sizeCapacity = 1024.0; + sizeStr = "K"; + } + /* Check if capacity can be in M. */ + if (info.capacity >= 1048576) { + sizeCapacity = 1048576.0; + sizeStr = "M"; + } + /* Check if capacity can be in G. */ + if (info.capacity >= 1073741824) { + sizeCapacity = 1073741824.0; + sizeStr = "G"; + } + + vshPrint(ctl, "%-15s %.1f%s\n", _("Capacity:"), + info.capacity/sizeCapacity, sizeStr); + vshPrint(ctl, "%-15s %.1f%s\n", _("Allocation:"), + info.allocation/sizeCapacity, sizeStr); + vshPrint(ctl, "%-15s %.1f%s\n", _("Physical:"), + info.physical/sizeCapacity, sizeStr); + } ret = true; diff --git a/tools/virsh.pod b/tools/virsh.pod index e16f62f..9f67de2 100644 --- a/tools/virsh.pod +++ b/tools/virsh.pod @@ -841,12 +841,13 @@ B<domstate> command says that a domain was paused due to I/O error. The B<domblkerror> command lists all block devices in error state and the error seen on each of them. -=item B<domblkinfo> I<domain> I<block-device> +=item B<domblkinfo> I<domain> I<block-device> [I<--human>] Get block device size info for a domain. A I<block-device> corresponds to a unique target name (<target dev='name'/>) or source file (<source file='name'/>) for one of the disk devices attached to I<domain> (see -also B<domblklist> for listing these names). +also B<domblklist> for listing these names). If I<--human> is set, the +output will have a human readable design. =item B<domblklist> I<domain> [I<--inactive>] [I<--details>] -- 2.7.4

2 1

[libvirt] [PATCH] qemu: Adding 'downscript' feature for QEMU network interfaces.
by Julio Faracco 01 May '17

01 May '17

This commit adds the support for 'downscript' feature: - For QEMU command line with the option: '-net downscript=/etc/qemu-ifdown,...'. - For Domains with a network interface description: '<interface type='ethernet'> ... <downscript path='/etc/qemu-ifdown'/> ... </interface>' The options 'script' and 'downscript' accept the argument 'no' to disable the script executions. The way that the code was implemented, the XML file accepts '<[down]script path='no'>' to solve this problem. This commit updates the tests too. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=825939 Signed-off-by: Julio Faracco <jcfaracco(a)gmail.com> --- docs/schemas/domaincommon.rng | 8 ++++++++ src/conf/domain_conf.c | 13 +++++++++++++ src/conf/domain_conf.h | 1 + src/qemu/qemu_parse_command.c | 4 ++++ tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.args | 2 +- tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.xml | 1 + tests/qemuargv2xmldata/qemuargv2xml-net-eth.args | 2 +- tests/qemuargv2xmldata/qemuargv2xml-net-eth.xml | 1 + tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml | 1 + tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml | 1 + tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth-ifname.xml | 1 + tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth.xml | 1 + 12 files changed, 34 insertions(+), 2 deletions(-) diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng index 281309e..2f88dda 100644 --- a/docs/schemas/domaincommon.rng +++ b/docs/schemas/domaincommon.rng @@ -2609,6 +2609,14 @@ </element> </optional> <optional> + <element name="downscript"> + <attribute name="path"> + <ref name="filePath"/> + </attribute> + <empty/> + </element> + </optional> + <optional> <element name="backenddomain"> <attribute name="name"> <ref name="domainName"/> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 0ff216e..32d5720 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -1935,6 +1935,7 @@ virDomainNetDefClear(virDomainNetDefPtr def) VIR_FREE(def->backend.vhost); VIR_FREE(def->virtPortProfile); VIR_FREE(def->script); + VIR_FREE(def->downscript); VIR_FREE(def->domain_name); VIR_FREE(def->ifname); VIR_FREE(def->ifname_guest); @@ -9589,6 +9590,7 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlopt, char *ifname_guest = NULL; char *ifname_guest_actual = NULL; char *script = NULL; + char *downscript = NULL; char *address = NULL; char *port = NULL; char *localaddr = NULL; @@ -9761,6 +9763,9 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlopt, } else if (!script && xmlStrEqual(cur->name, BAD_CAST "script")) { script = virXMLPropString(cur, "path"); + } else if (!downscript && + xmlStrEqual(cur->name, BAD_CAST "downscript")) { + downscript = virXMLPropString(cur, "path"); } else if (!domain_name && xmlStrEqual(cur->name, BAD_CAST "backenddomain")) { domain_name = virXMLPropString(cur, "name"); @@ -10074,6 +10079,10 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlopt, def->script = script; script = NULL; } + if (downscript != NULL) { + def->downscript = downscript; + downscript = NULL; + } if (domain_name != NULL) { def->domain_name = domain_name; domain_name = NULL; @@ -10356,6 +10365,7 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlopt, VIR_FREE(dev); virDomainActualNetDefFree(actual); VIR_FREE(script); + VIR_FREE(downscript); VIR_FREE(bridge); VIR_FREE(model); VIR_FREE(backend); @@ -22158,6 +22168,9 @@ virDomainNetDefFormat(virBufferPtr buf, virBufferEscapeString(buf, "<script path='%s'/>\n", def->script); + if (def->downscript) + virBufferEscapeString(buf, "<downscript path='%s'/>\n", + def->downscript); virBufferEscapeString(buf, "<backenddomain name='%s'/>\n", def->domain_name); if (def->ifname && diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h index 09fb7aa..9deca76 100644 --- a/src/conf/domain_conf.h +++ b/src/conf/domain_conf.h @@ -1024,6 +1024,7 @@ struct _virDomainNetDef { unsigned long sndbuf; } tune; char *script; + char *downscript; char *domain_name; /* backend domain name */ char *ifname; /* interface name on the host (<target dev='x'/>) */ virNetDevIPInfo hostIP; diff --git a/src/qemu/qemu_parse_command.c b/src/qemu/qemu_parse_command.c index af9063c..d773917 100644 --- a/src/qemu/qemu_parse_command.c +++ b/src/qemu/qemu_parse_command.c @@ -1060,6 +1060,10 @@ qemuParseCommandLineNet(virDomainXMLOptionPtr xmlopt, def->script = values[i]; values[i] = NULL; } else if (def->type == VIR_DOMAIN_NET_TYPE_ETHERNET && + STREQ(keywords[i], "downscript") && STRNEQ(values[i], "")) { + def->downscript = values[i]; + values[i] = NULL; + } else if (def->type == VIR_DOMAIN_NET_TYPE_ETHERNET && STREQ(keywords[i], "ifname")) { def->ifname = values[i]; values[i] = NULL; diff --git a/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.args b/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.args index 4d74ae4..5d7129c 100644 --- a/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.args +++ b/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.args @@ -18,6 +18,6 @@ QEMU_AUDIO_DRV=none \ -usb \ -drive file=/dev/HostVG/QEMUGuest1,format=raw,if=ide,bus=0,unit=0 \ -net nic,macaddr=00:11:22:33:44:55,vlan=0,model=rtl8139,name=net0 \ --net tap,ifname=nic02,script=/etc/qemu-ifup,vlan=0,name=hostnet0 \ +-net tap,ifname=nic02,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown,vlan=0,name=hostnet0 \ -serial none \ -parallel none diff --git a/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.xml b/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.xml index fa9a892..8e04efb 100644 --- a/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.xml +++ b/tests/qemuargv2xmldata/qemuargv2xml-net-eth-ifname.xml @@ -30,6 +30,7 @@ <interface type='ethernet'> <mac address='00:11:22:33:44:55'/> <script path='/etc/qemu-ifup'/> + <downscript path='/etc/qemu-ifdown'/> <target dev='nic02'/> <model type='rtl8139'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> diff --git a/tests/qemuargv2xmldata/qemuargv2xml-net-eth.args b/tests/qemuargv2xmldata/qemuargv2xml-net-eth.args index 89eb4c1..0e3fa21 100644 --- a/tests/qemuargv2xmldata/qemuargv2xml-net-eth.args +++ b/tests/qemuargv2xmldata/qemuargv2xml-net-eth.args @@ -18,6 +18,6 @@ QEMU_AUDIO_DRV=none \ -usb \ -drive file=/dev/HostVG/QEMUGuest1,format=raw,if=ide,bus=0,unit=0 \ -net nic,macaddr=00:11:22:33:44:55,vlan=0,model=rtl8139,name=net0 \ --net tap,script=/etc/qemu-ifup,vlan=0,name=hostnet0 \ +-net tap,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown,vlan=0,name=hostnet0 \ -serial none \ -parallel none diff --git a/tests/qemuargv2xmldata/qemuargv2xml-net-eth.xml b/tests/qemuargv2xmldata/qemuargv2xml-net-eth.xml index 57c4be8..d177ca8 100644 --- a/tests/qemuargv2xmldata/qemuargv2xml-net-eth.xml +++ b/tests/qemuargv2xmldata/qemuargv2xml-net-eth.xml @@ -30,6 +30,7 @@ <interface type='ethernet'> <mac address='00:11:22:33:44:55'/> <script path='/etc/qemu-ifup'/> + <downscript path='/etc/qemu-ifdown'/> <model type='rtl8139'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </interface> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml index dd0d752..21d8259 100644 --- a/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml +++ b/tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.xml @@ -26,6 +26,7 @@ <interface type='ethernet'> <mac address='00:11:22:33:44:55'/> <script path='/etc/qemu-ifup'/> + <downscript path='/etc/qemu-ifdown'/> <target dev='nic02'/> <model type='rtl8139'/> </interface> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml b/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml index 48acadf..9f40122 100644 --- a/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml +++ b/tests/qemuxml2argvdata/qemuxml2argv-net-eth.xml @@ -26,6 +26,7 @@ <interface type='ethernet'> <mac address='00:11:22:33:44:55'/> <script path='/etc/qemu-ifup'/> + <downscript path='/etc/qemu-ifdown'/> <model type='rtl8139'/> </interface> <input type='mouse' bus='ps2'/> diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth-ifname.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth-ifname.xml index c36baa0..b71fd5a 100644 --- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth-ifname.xml +++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth-ifname.xml @@ -30,6 +30,7 @@ <interface type='ethernet'> <mac address='00:11:22:33:44:55'/> <script path='/etc/qemu-ifup'/> + <downscript path='/etc/qemu-ifdown'/> <target dev='nic02'/> <model type='rtl8139'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth.xml index 898bda6..c55cd68 100644 --- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth.xml +++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-net-eth.xml @@ -30,6 +30,7 @@ <interface type='ethernet'> <mac address='00:11:22:33:44:55'/> <script path='/etc/qemu-ifup'/> + <downscript path='/etc/qemu-ifdown'/> <model type='rtl8139'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </interface> -- 2.7.4

1 1

[libvirt] [PATCHv3 0/6] Support more options for intel-iommu
by Ján Tomko 28 Apr '17

28 Apr '17

[Adding Peter Xu to cc to see if he has any opinion on the docs] https://bugzilla.redhat.com/show_bug.cgi?id=1427005 v1: https://www.redhat.com/archives/libvir-list/2017-March/msg01072.html v2: https://www.redhat.com/archives/libvir-list/2017-April/msg00932.html new in v3: * add more devices to qemuxml2argv-intel-iommu-caching.xml to check the ordering (intel-iommu should come before other devices) * fix the capability clustering Ján Tomko (6): conf: add <irqchip mode> to <features> qemu: format kernel_irqchip on the command line conf: add <driver intremap> to <iommu> qemu: format intremap= on intel-iommu command line conf: add caching attribute to iommu device qemu: format caching-mode on iommu command line docs/formatdomain.html.in | 41 +++++++++- docs/schemas/domaincommon.rng | 30 ++++++++ src/conf/domain_conf.c | 90 ++++++++++++++++++++-- src/conf/domain_conf.h | 14 ++++ src/libvirt_private.syms | 1 + src/qemu/qemu_capabilities.c | 13 ++++ src/qemu/qemu_capabilities.h | 5 ++ src/qemu/qemu_command.c | 40 ++++++++++ tests/qemucapabilitiesdata/caps_1.5.3.x86_64.xml | 1 + tests/qemucapabilitiesdata/caps_1.6.0.x86_64.xml | 1 + tests/qemucapabilitiesdata/caps_1.7.0.x86_64.xml | 1 + tests/qemucapabilitiesdata/caps_2.1.1.x86_64.xml | 1 + .../qemucapabilitiesdata/caps_2.4.0.x86_64.replies | 22 ++++-- tests/qemucapabilitiesdata/caps_2.4.0.x86_64.xml | 1 + .../qemucapabilitiesdata/caps_2.5.0.x86_64.replies | 24 ++++-- tests/qemucapabilitiesdata/caps_2.5.0.x86_64.xml | 1 + .../caps_2.6.0-gicv2.aarch64.xml | 1 + .../caps_2.6.0-gicv3.aarch64.xml | 1 + tests/qemucapabilitiesdata/caps_2.6.0.ppc64le.xml | 1 + .../qemucapabilitiesdata/caps_2.6.0.x86_64.replies | 24 ++++-- tests/qemucapabilitiesdata/caps_2.6.0.x86_64.xml | 1 + tests/qemucapabilitiesdata/caps_2.7.0.s390x.xml | 1 + .../qemucapabilitiesdata/caps_2.7.0.x86_64.replies | 28 +++++-- tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml | 2 + tests/qemucapabilitiesdata/caps_2.8.0.s390x.xml | 1 + .../qemucapabilitiesdata/caps_2.8.0.x86_64.replies | 37 +++++++-- tests/qemucapabilitiesdata/caps_2.8.0.x86_64.xml | 2 + .../qemucapabilitiesdata/caps_2.9.0.x86_64.replies | 49 +++++++++--- tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml | 3 + .../qemuxml2argv-intel-iommu-caching.args | 25 ++++++ .../qemuxml2argv-intel-iommu-caching.xml | 50 ++++++++++++ .../qemuxml2argv-intel-iommu-irqchip.args | 19 +++++ .../qemuxml2argv-intel-iommu-irqchip.xml | 31 ++++++++ tests/qemuxml2argvtest.c | 16 ++++ .../qemuxml2xmlout-intel-iommu-caching.xml | 1 + .../qemuxml2xmlout-intel-iommu-irqchip.xml | 1 + tests/qemuxml2xmltest.c | 2 + 37 files changed, 533 insertions(+), 49 deletions(-) create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-intel-iommu-caching.args create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-intel-iommu-caching.xml create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-intel-iommu-irqchip.args create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-intel-iommu-irqchip.xml create mode 120000 tests/qemuxml2xmloutdata/qemuxml2xmlout-intel-iommu-caching.xml create mode 120000 tests/qemuxml2xmloutdata/qemuxml2xmlout-intel-iommu-irqchip.xml -- 2.10.2

4 14

[libvirt] [PATCH] docs: Add details about panic device behavior
by Ed Swierk 28 Apr '17

28 Apr '17

When a guest triggers the panic device, QEMU pauses the guest, and libvirt takes the action specified by on_crash. This can interfere with the guest's own crash handling actions (like writing a dump file and rebooting itself) if the guest triggers the panic device first (as Windows does via the Hyper-V crash CPU feature). This is not an obvious side effect of a notification mechanism, so it's worth explaining. Signed-off-by: Ed Swierk <eswierk(a)skyportsystems.com> --- docs/formatdomain.html.in | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index e31a271..1c5fdb9 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -7078,7 +7078,11 @@ qemu-kvm -net nic,model=? /dev/null <h4><a name="elementsPanic">panic device</a></h4> <p> panic device enables libvirt to receive panic notification from a QEMU - guest. + guest. When the guest triggers the panic device, QEMU pauses the guest, and + libvirt takes the action specified by the <code>on_crash</code> element. + Note that this may interfere with the guest's own crash handling actions + (like writing a dump file and rebooting itself) if the guest triggers the + panic device first (as Windows does via the Hyper-V crash CPU feature). <span class="since">Since 1.2.1, QEMU and KVM only</span> </p> <p> -- 1.9.1

1 0

[libvirt] [PATCH] news: Document libxl nested HVM support
by Jim Fehlig 28 Apr '17

28 Apr '17

Nested HVM support in the libxl driver is a news-worthy improvement for libvirt 3.3.0. Signed-off-by: Jim Fehlig <jfehlig(a)suse.com> --- docs/news.xml | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/docs/news.xml b/docs/news.xml index 1f558451f..5dc8403b4 100644 --- a/docs/news.xml +++ b/docs/news.xml @@ -48,6 +48,17 @@ ease handling such breaks if they happen in the future. </description> </change> + <change> + <summary> + Add support for nested HVM domains in the libxl driver. + </summary> + <description> + Xen has supported nested HVM domains since version 4.4. The + libvirt libxl driver now supports nested HVM domains by + specifying the host-passthrough CPU mode when defining a + domain. + </description> + </change> </section> <section title="Bug fixes"> </section> -- 2.11.0

3 4

[libvirt] [PATCH] conf: format only relevant attributes for graphics based on listen type
by Pavel Hrdina 28 Apr '17

28 Apr '17

This patch changes following output: ... <graphics type='vnc' port='-1' autoport='yes'> <listen type='none'/> </graphics> ... into this output: ... <graphics type='vnc'> <listen type='none'/> </graphics> ... Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com> --- src/conf/domain_conf.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index fe9b7c7273..88bcd6c052 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -23297,7 +23297,8 @@ virDomainGraphicsDefFormat(virBufferPtr buf, return -1; } - if (glisten->type == VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_SOCKET) { + switch (glisten->type) { + case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_SOCKET: /* To not break migration we shouldn't print the 'socket' attribute * if it's auto-generated or if it's based on config option from * qemu.conf. If the socket is provided by user we need to print it @@ -23307,7 +23308,10 @@ virDomainGraphicsDefFormat(virBufferPtr buf, (flags & VIR_DOMAIN_DEF_FORMAT_MIGRATABLE))) { virBufferEscapeString(buf, " socket='%s'", glisten->socket); } - } else { + break; + + case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS: + case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK: if (def->data.vnc.port && (!def->data.vnc.autoport || !(flags & VIR_DOMAIN_DEF_FORMAT_INACTIVE))) virBufferAsprintf(buf, " port='%d'", @@ -23325,6 +23329,10 @@ virDomainGraphicsDefFormat(virBufferPtr buf, virBufferAsprintf(buf, " websocket='%d'", def->data.vnc.websocket); virDomainGraphicsListenDefFormatAddr(buf, glisten, flags); + break; + case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NONE: + case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_LAST: + break; } if (def->data.vnc.keymap) -- 2.12.2

2 1

[libvirt] [PATCH v2 0/3] conf: don't ignore <target dev='blah'/> for macvtap interfaces
by Laine Stump 28 Apr '17

28 Apr '17

The parser had been clearing out *all* suggested device names for type='direct' (aka macvtap) interfaces. All of the code implementing macvtap allows for a user-specified device name, so we should allow it. In the case that an interface name starts with "macvtap" or "macvlan" though, we do still clear it out, just as we do with "vnet" (which is the prefix used for automatically generated tap device names), since those are the prefixes for the names we autogenerate for macvtap and macvlan devices. Resolves: https://bugzilla.redhat.com/1335798 Changes since V1: * make a single #define for each of MACVLAN_PREFIX and MACVTAP_PREFIX in virnetdevmacvlan.h rather than duplicating #defines from virnetdevmacvlan.c into domain_conf.h (as suggested by Martin * move/rename the auto-generated prefix for regular tap devices to be consistent with the macvtap/macvlan prefixes. Laine Stump (3): util: make macvtap/macvlan generated name #defines available to other files conf: don't ignore <target dev='blah'/> for macvtap interfaces util: rename/move VIR_NET_GENERATED_PREFIX to be consistent docs/formatdomain.html.in | 6 ++-- src/bhyve/bhyve_command.c | 4 +-- src/conf/domain_conf.c | 11 ++++-- src/conf/domain_conf.h | 4 --- src/interface/interface_backend_udev.c | 2 +- src/qemu/qemu_interface.c | 8 ++--- src/uml/uml_conf.c | 4 +-- src/util/virnetdev.h | 5 +++ src/util/virnetdevmacvlan.c | 65 ++++++++++++++-------------------- src/util/virnetdevmacvlan.h | 6 ++++ 10 files changed, 57 insertions(+), 58 deletions(-) -- 2.9.3

2 5

[libvirt] [PATCH v2 0/5] add support for qemu-xhci USB controller
by Pavel Hrdina 28 Apr '17

28 Apr '17

Pavel Hrdina (5): qemu: change the logic of setting default USB controller qemu: use nec-usb-xhci as a default controller for aarch64 if available qemu: introduce QEMU_CAPS_DEVICE_QEMU_XHCI qemu: add support for qemu-xhci USB controller qemu: use qemu-xhci USB controller by default for ppc64 and aarch64 docs/formatdomain.html.in | 4 +- docs/schemas/domaincommon.rng | 1 + src/conf/domain_addr.c | 1 + src/conf/domain_conf.c | 1 + src/conf/domain_conf.h | 1 + src/qemu/qemu_capabilities.c | 2 + src/qemu/qemu_capabilities.h | 1 + src/qemu/qemu_command.c | 8 +++- src/qemu/qemu_domain.c | 47 ++++++++++++++-------- src/qemu/qemu_domain_address.c | 1 + tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml | 1 + ...muxml2argv-aarch64-usb-controller-nec-xhci.args | 19 +++++++++ ...emuxml2argv-aarch64-usb-controller-nec-xhci.xml | 16 ++++++++ ...uxml2argv-aarch64-usb-controller-qemu-xhci.args | 19 +++++++++ ...muxml2argv-aarch64-usb-controller-qemu-xhci.xml | 16 ++++++++ ...emuxml2argv-ppc64-usb-controller-qemu-xhci.args | 19 +++++++++ ...qemuxml2argv-ppc64-usb-controller-qemu-xhci.xml | 1 + ...qemuxml2argv-usb-controller-qemu-xhci-limit.xml | 14 +++++++ ...l2argv-usb-controller-qemu-xhci-unavailable.xml | 1 + .../qemuxml2argv-usb-controller-qemu-xhci.args | 19 +++++++++ .../qemuxml2argv-usb-controller-qemu-xhci.xml | 14 +++++++ tests/qemuxml2argvtest.c | 15 +++++++ 22 files changed, 201 insertions(+), 20 deletions(-) create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-aarch64-usb-controller-nec-xhci.args create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-aarch64-usb-controller-nec-xhci.xml create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-aarch64-usb-controller-qemu-xhci.args create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-aarch64-usb-controller-qemu-xhci.xml create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-ppc64-usb-controller-qemu-xhci.args create mode 120000 tests/qemuxml2argvdata/qemuxml2argv-ppc64-usb-controller-qemu-xhci.xml create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-usb-controller-qemu-xhci-limit.xml create mode 120000 tests/qemuxml2argvdata/qemuxml2argv-usb-controller-qemu-xhci-unavailable.xml create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-usb-controller-qemu-xhci.args create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-usb-controller-qemu-xhci.xml -- 2.12.2

2 17