This function works over domain definition and not domain object. Its name is thus misleading. Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- src/conf/domain_conf.c | 4 ++-- src/conf/domain_conf.h | 2 +- src/libvirt_private.syms | 2 +- src/qemu/qemu_conf.c | 2 +- src/qemu/qemu_domain.c | 4 ++-- src/qemu/qemu_driver.c | 2 +- 6 files changed, 8 insertions(+), 8 deletions(-) diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 77c20c697..58b75c672 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -27871,14 +27871,14 @@ virDomainDefHasMemballoon(const virDomainDef *def) #define VIR_DOMAIN_SHORT_NAME_MAX 20 /** - * virDomainObjGetShortName: + * virDomainDefGetShortName: * @vm: Machine for which to get a name * @unique: Make sure the name is unique (use id as well) * * Shorten domain name to avoid possible path length limitations. */ char * -virDomainObjGetShortName(const virDomainDef *def) +virDomainDefGetShortName(const virDomainDef *def) { wchar_t wshortname[VIR_DOMAIN_SHORT_NAME_MAX + 1] = {0}; size_t len = 0; diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h index 38de70b15..bd541a9c5 100644 --- a/src/conf/domain_conf.h +++ b/src/conf/domain_conf.h @@ -3366,7 +3366,7 @@ int virDomainDefGetVcpuPinInfoHelper(virDomainDefPtr def, bool virDomainDefHasMemballoon(const virDomainDef *def) ATTRIBUTE_NONNULL(1); -char *virDomainObjGetShortName(const virDomainDef *def) ATTRIBUTE_NONNULL(1); +char *virDomainDefGetShortName(const virDomainDef *def) ATTRIBUTE_NONNULL(1); int virDomainGetBlkioParametersAssignFromDef(virDomainDefPtr def, diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index 448d962b2..3ebff18aa 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -262,6 +262,7 @@ virDomainDefGetMemoryInitial; virDomainDefGetMemoryTotal; virDomainDefGetOnlineVcpumap; virDomainDefGetSecurityLabelDef; +virDomainDefGetShortName; virDomainDefGetVcpu; virDomainDefGetVcpuPinInfoHelper; virDomainDefGetVcpus; @@ -457,7 +458,6 @@ virDomainObjGetMetadata; virDomainObjGetOneDef; virDomainObjGetOneDefState; virDomainObjGetPersistentDef; -virDomainObjGetShortName; virDomainObjGetState; virDomainObjNew; virDomainObjParseNode; diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c index ec61c9c52..bf6b334f4 100644 --- a/src/qemu/qemu_conf.c +++ b/src/qemu/qemu_conf.c @@ -1659,7 +1659,7 @@ qemuGetDomainHugepagePath(const virDomainDef *def, virHugeTLBFSPtr hugepage) { char *base = qemuGetBaseHugepagePath(hugepage); - char *domPath = virDomainObjGetShortName(def); + char *domPath = virDomainDefGetShortName(def); char *ret = NULL; if (base && domPath) diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c index c7c9e94da..e828fa2f6 100644 --- a/src/qemu/qemu_domain.c +++ b/src/qemu/qemu_domain.c @@ -1705,7 +1705,7 @@ qemuDomainSetPrivatePaths(virQEMUDriverPtr driver, { virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver); qemuDomainObjPrivatePtr priv = vm->privateData; - char *domname = virDomainObjGetShortName(vm->def); + char *domname = virDomainDefGetShortName(vm->def); int ret = -1; if (!domname) @@ -8203,7 +8203,7 @@ qemuDomainGetPreservedMountPath(virQEMUDriverConfigPtr cfg, char *path = NULL; char *tmp; const char *suffix = mountpoint + strlen(DEVPREFIX); - char *domname = virDomainObjGetShortName(vm->def); + char *domname = virDomainDefGetShortName(vm->def); size_t off; if (!domname) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 32a416f9e..dacfca9a9 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -4079,7 +4079,7 @@ getAutoDumpPath(virQEMUDriverPtr driver, virDomainObjPtr vm) { char *dumpfile = NULL; - char *domname = virDomainObjGetShortName(vm->def); + char *domname = virDomainDefGetShortName(vm->def); char timestr[100]; struct tm time_info; time_t curtime = time(NULL); -- 2.13.6

In some cases management application needs to allocate memory for qemu upfront and then just let qemu use that. Since we don't want to expose path for memory-backend-file anywhere in the domain XML, we can have a configuration knob that when enabled generated predictable paths. In this case: $memoryBackingDir/libvirt/qemu/$shortName/$alias where $shortName is result of virDomainObjGetShortName(). Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- src/qemu/libvirtd_qemu.aug | 1 + src/qemu/qemu.conf | 5 ++ src/qemu/qemu_command.c | 9 +-- src/qemu/qemu_conf.c | 76 +++++++++++++++++++- src/qemu/qemu_conf.h | 10 ++- src/qemu/qemu_driver.c | 19 +++++ src/qemu/qemu_hotplug.c | 2 +- src/qemu/qemu_process.c | 141 ++++++++++++++++++++++++++----------- src/qemu/qemu_process.h | 8 +-- src/qemu/test_libvirtd_qemu.aug.in | 1 + 10 files changed, 220 insertions(+), 52 deletions(-) diff --git a/src/qemu/libvirtd_qemu.aug b/src/qemu/libvirtd_qemu.aug index c19bf3a43..77d466b14 100644 --- a/src/qemu/libvirtd_qemu.aug +++ b/src/qemu/libvirtd_qemu.aug @@ -114,6 +114,7 @@ module Libvirtd_qemu = let gluster_debug_level_entry = int_entry "gluster_debug_level" let memory_entry = str_entry "memory_backing_dir" + | bool_entry "memory_predictable_file_names" let vxhs_entry = bool_entry "vxhs_tls" | str_entry "vxhs_tls_x509_cert_dir" diff --git a/src/qemu/qemu.conf b/src/qemu/qemu.conf index 2e8370a5a..dc3098148 100644 --- a/src/qemu/qemu.conf +++ b/src/qemu/qemu.conf @@ -769,3 +769,8 @@ # This directory is used for memoryBacking source if configured as file. # NOTE: big files will be stored here #memory_backing_dir = "/var/lib/libvirt/qemu/ram" + +# Use predictable file names. If this is enabled, Libvirt constructs +# full paths for memory-backing-file objects. This is experimental +# feature and generated paths can change across releases. Don't use it. +#memory_predictable_file_names = 1 diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 82d2fb2a3..d6d2654cd 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -3439,7 +3439,7 @@ qemuBuildMemoryBackendStr(virJSONValuePtr *backendProps, } else { /* We can have both pagesize and mem source. If that's the case, * prefer hugepages as those are more specific. */ - if (qemuGetMemoryBackingPath(cfg, &memPath) < 0) + if (qemuGetMemoryBackingPath(def, cfg, mem->info.alias, &memPath) < 0) goto cleanup; } @@ -3542,12 +3542,13 @@ qemuBuildMemoryCellBackendStr(virDomainDefPtr def, unsigned long long memsize = virDomainNumaGetNodeMemorySize(def->numa, cell); + if (virAsprintf(&alias, "ram-node%zu", cell) < 0) + goto cleanup; + *backendStr = NULL; mem.size = memsize; mem.targetNode = cell; - - if (virAsprintf(&alias, "ram-node%zu", cell) < 0) - goto cleanup; + mem.info.alias = alias; if ((rc = qemuBuildMemoryBackendStr(&props, &backendType, cfg, priv->qemuCaps, def, &mem, priv->autoNodeset, false)) < 0) diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c index 23dcc25e1..34f411137 100644 --- a/src/qemu/qemu_conf.c +++ b/src/qemu/qemu_conf.c @@ -912,6 +912,10 @@ int virQEMUDriverConfigLoadFile(virQEMUDriverConfigPtr cfg, if (virConfGetValueString(conf, "memory_backing_dir", &cfg->memoryBackingDir) < 0) goto cleanup; + if (virConfGetValueBool(conf, "memory_predictable_file_names", + &cfg->memoryPredictableFileNames) < 0) + goto cleanup; + ret = 0; cleanup: @@ -1750,9 +1754,53 @@ qemuGetDomainHupageMemPath(const virDomainDef *def, } +int +qemuGetMemoryBackingBasePath(virQEMUDriverConfigPtr cfg, + char **path) +{ + if (!cfg->memoryPredictableFileNames) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("predictable file names are disabled")); + return -1; + } + + return virAsprintf(path, "%s/libvirt/qemu", cfg->memoryBackingDir); +} + + +int +qemuGetMemoryBackingDomainPath(const virDomainDef *def, + virQEMUDriverConfigPtr cfg, + char **path) +{ + char *shortName = NULL; + char *base = NULL; + int ret = -1; + + if (!cfg->memoryPredictableFileNames) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("predictable file names are disabled")); + return -1; + } + + if (!(shortName = virDomainDefGetShortName(def)) || + qemuGetMemoryBackingBasePath(cfg, &base) < 0 || + virAsprintf(path, "%s/%s", base, shortName) < 0) + goto cleanup; + + ret = 0; + cleanup: + VIR_FREE(base); + VIR_FREE(shortName); + return ret; +} + + /** * qemuGetMemoryBackingPath: + * @def: domain definition * @cfg: the driver config + * @alias: memory object alias * @memPath: constructed path * * Constructs path to memory backing dir and stores it at @memPath. @@ -1761,8 +1809,32 @@ qemuGetDomainHupageMemPath(const virDomainDef *def, * -1 otherwise (with error reported). */ int -qemuGetMemoryBackingPath(virQEMUDriverConfigPtr cfg, +qemuGetMemoryBackingPath(const virDomainDef *def, + virQEMUDriverConfigPtr cfg, + const char *alias, char **memPath) { - return VIR_STRDUP(*memPath, cfg->memoryBackingDir); + char *domainPath = NULL; + int ret = -1; + + if (cfg->memoryPredictableFileNames) { + if (!alias) { + /* This should never happen (TM) */ + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("memory device alias is not assigned")); + goto cleanup; + } + + if (qemuGetMemoryBackingDomainPath(def, cfg, &domainPath) < 0 || + virAsprintf(memPath, "%s/%s", domainPath, alias) < 0) + goto cleanup; + } else { + if (VIR_STRDUP(*memPath, cfg->memoryBackingDir) < 0) + goto cleanup; + } + + ret = 0; + cleanup: + VIR_FREE(domainPath); + return ret; } diff --git a/src/qemu/qemu_conf.h b/src/qemu/qemu_conf.h index 9d6866816..5b72788c9 100644 --- a/src/qemu/qemu_conf.h +++ b/src/qemu/qemu_conf.h @@ -203,6 +203,7 @@ struct _virQEMUDriverConfig { unsigned int glusterDebugLevel; char *memoryBackingDir; + bool memoryPredictableFileNames; bool vxhsTLS; char *vxhsTLSx509certdir; @@ -364,6 +365,13 @@ int qemuGetDomainHupageMemPath(const virDomainDef *def, unsigned long long pagesize, char **memPath); -int qemuGetMemoryBackingPath(virQEMUDriverConfigPtr cfg, +int qemuGetMemoryBackingBasePath(virQEMUDriverConfigPtr cfg, + char **path); +int qemuGetMemoryBackingDomainPath(const virDomainDef *def, + virQEMUDriverConfigPtr cfg, + char **path); +int qemuGetMemoryBackingPath(const virDomainDef *def, + virQEMUDriverConfigPtr cfg, + const char *alias, char **memPath); #endif /* __QEMUD_CONF_H */ diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index dacfca9a9..7bdefd7e8 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -630,6 +630,7 @@ qemuStateInitialize(bool privileged, uid_t run_uid = -1; gid_t run_gid = -1; char *hugepagePath = NULL; + char *memoryBackingPath = NULL; size_t i; if (VIR_ALLOC(qemu_driver) < 0) @@ -888,6 +889,23 @@ qemuStateInitialize(bool privileged, VIR_FREE(hugepagePath); } + if (cfg->memoryPredictableFileNames) { + if (qemuGetMemoryBackingBasePath(cfg, &memoryBackingPath) < 0) + goto error; + + if (virFileMakePath(memoryBackingPath) < 0) { + virReportSystemError(errno, + _("unable to create memory backing path %s"), + memoryBackingPath); + goto error; + } + if (privileged && + virFileUpdatePerm(memoryBackingPath, + 0, S_IXGRP | S_IXOTH) < 0) + goto error; + VIR_FREE(memoryBackingPath); + } + if (!(qemu_driver->closeCallbacks = virCloseCallbacksNew())) goto error; @@ -945,6 +963,7 @@ qemuStateInitialize(bool privileged, virObjectUnref(conn); VIR_FREE(driverConf); VIR_FREE(hugepagePath); + VIR_FREE(memoryBackingPath); qemuStateCleanup(); return -1; } diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index 91f7f9ed6..5701c033b 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -2077,7 +2077,7 @@ qemuDomainAttachMemory(virQEMUDriverPtr driver, priv->qemuCaps, vm->def, mem, NULL, true) < 0) goto cleanup; - if (qemuProcessBuildDestroyHugepagesPath(driver, vm, mem, true) < 0) + if (qemuProcessBuildDestroyMemoryPaths(driver, vm, mem, true) < 0) goto cleanup; if (qemuDomainNamespaceSetupMemory(driver, vm, mem) < 0) diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index fdc868912..5dea02718 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -3324,60 +3324,121 @@ qemuProcessNeedHugepagesPath(virDomainDefPtr def, } +static bool +qemuProcessNeedMemoryBackingPath(virDomainDefPtr def, + virQEMUDriverConfigPtr cfg, + virDomainMemoryDefPtr mem) +{ + size_t i; + size_t numaNodes; + + if (!cfg->memoryPredictableFileNames) + return false; + + if (def->mem.source == VIR_DOMAIN_MEMORY_SOURCE_FILE || + def->mem.access != VIR_DOMAIN_MEMORY_ACCESS_DEFAULT) + return true; + + numaNodes = virDomainNumaGetNodeCount(def->numa); + for (i = 0; i < numaNodes; i++) { + if (virDomainNumaGetNodeMemoryAccessMode(def->numa, i) + != VIR_DOMAIN_MEMORY_ACCESS_DEFAULT) + return true; + } + + if (mem && + mem->model == VIR_DOMAIN_MEMORY_MODEL_DIMM && + (mem->access != VIR_DOMAIN_MEMORY_ACCESS_DEFAULT || + (mem->targetNode >= 0 && + virDomainNumaGetNodeMemoryAccessMode(def->numa, mem->targetNode) + != VIR_DOMAIN_MEMORY_ACCESS_DEFAULT))) + return true; + + return false; +} + + +static int +qemuProcessBuildDestroyMemoryPathsImpl(virQEMUDriverPtr driver, + virDomainDefPtr def, + const char *path, + bool build) +{ + if (build) { + if (virFileExists(path)) + return 0; + + if (virFileMakePathWithMode(path, 0700) < 0) { + virReportSystemError(errno, + _("Unable to create %s"), + path); + return -1; + } + + if (qemuSecurityDomainSetPathLabel(driver->securityManager, + def, path) < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("Unable to label %s"), path); + return -1; + } + } else { + if (rmdir(path) < 0 && + errno != ENOENT) + VIR_WARN("Unable to remove hugepage path: %s (errno=%d)", + path, errno); + } + + return 0; +} + + int -qemuProcessBuildDestroyHugepagesPath(virQEMUDriverPtr driver, - virDomainObjPtr vm, - virDomainMemoryDefPtr mem, - bool build) +qemuProcessBuildDestroyMemoryPaths(virQEMUDriverPtr driver, + virDomainObjPtr vm, + virDomainMemoryDefPtr mem, + bool build) { virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver); - char *hugepagePath = NULL; + char *path = NULL; size_t i; - bool shouldBuild = false; + bool shouldBuildHP = false; + bool shouldBuildMB = false; int ret = -1; - if (build) - shouldBuild = qemuProcessNeedHugepagesPath(vm->def, mem); + if (build) { + shouldBuildHP = qemuProcessNeedHugepagesPath(vm->def, mem); + shouldBuildMB = qemuProcessNeedMemoryBackingPath(vm->def, cfg, mem); + } - if (!build || shouldBuild) { + if (!build || shouldBuildHP) { for (i = 0; i < cfg->nhugetlbfs; i++) { - VIR_FREE(hugepagePath); - hugepagePath = qemuGetDomainHugepagePath(vm->def, &cfg->hugetlbfs[i]); + path = qemuGetDomainHugepagePath(vm->def, &cfg->hugetlbfs[i]); - if (!hugepagePath) + if (!path) goto cleanup; - if (build) { - if (virFileExists(hugepagePath)) { - ret = 0; - goto cleanup; - } - - if (virFileMakePathWithMode(hugepagePath, 0700) < 0) { - virReportSystemError(errno, - _("Unable to create %s"), - hugepagePath); - goto cleanup; - } + if (qemuProcessBuildDestroyMemoryPathsImpl(driver, vm->def, + path, build) < 0) + goto cleanup; - if (qemuSecurityDomainSetPathLabel(driver->securityManager, - vm->def, hugepagePath) < 0) { - virReportError(VIR_ERR_INTERNAL_ERROR, - "%s", _("Unable to set huge path in security driver")); - goto cleanup; - } - } else { - if (rmdir(hugepagePath) < 0 && - errno != ENOENT) - VIR_WARN("Unable to remove hugepage path: %s (errno=%d)", - hugepagePath, errno); - } + VIR_FREE(path); } } + if (!build || shouldBuildMB) { + if (qemuGetMemoryBackingDomainPath(vm->def, cfg, &path) < 0) + goto cleanup; + + if (qemuProcessBuildDestroyMemoryPathsImpl(driver, vm->def, + path, build) < 0) + goto cleanup; + + VIR_FREE(path); + } + ret = 0; cleanup: - VIR_FREE(hugepagePath); + VIR_FREE(path); virObjectUnref(cfg); return ret; } @@ -5550,7 +5611,7 @@ qemuProcessPrepareHost(virQEMUDriverPtr driver, NULL) < 0) goto cleanup; - if (qemuProcessBuildDestroyHugepagesPath(driver, vm, NULL, true) < 0) + if (qemuProcessBuildDestroyMemoryPaths(driver, vm, NULL, true) < 0) goto cleanup; /* Ensure no historical cgroup for this VM is lying around bogus @@ -6254,7 +6315,7 @@ void qemuProcessStop(virQEMUDriverPtr driver, goto endjob; } - qemuProcessBuildDestroyHugepagesPath(driver, vm, NULL, false); + qemuProcessBuildDestroyMemoryPaths(driver, vm, NULL, false); vm->def->id = -1; @@ -7112,7 +7173,7 @@ qemuProcessReconnect(void *opaque) goto cleanup; } - if (qemuProcessBuildDestroyHugepagesPath(driver, obj, NULL, true) < 0) + if (qemuProcessBuildDestroyMemoryPaths(driver, obj, NULL, true) < 0) goto error; if ((qemuDomainAssignAddresses(obj->def, priv->qemuCaps, diff --git a/src/qemu/qemu_process.h b/src/qemu/qemu_process.h index 814b86d8a..cd9a72031 100644 --- a/src/qemu/qemu_process.h +++ b/src/qemu/qemu_process.h @@ -38,10 +38,10 @@ int qemuProcessStopCPUs(virQEMUDriverPtr driver, virDomainPausedReason reason, qemuDomainAsyncJob asyncJob); -int qemuProcessBuildDestroyHugepagesPath(virQEMUDriverPtr driver, - virDomainObjPtr vm, - virDomainMemoryDefPtr mem, - bool build); +int qemuProcessBuildDestroyMemoryPaths(virQEMUDriverPtr driver, + virDomainObjPtr vm, + virDomainMemoryDefPtr mem, + bool build); void qemuProcessAutostartAll(virQEMUDriverPtr driver); void qemuProcessReconnectAll(virConnectPtr conn, virQEMUDriverPtr driver); diff --git a/src/qemu/test_libvirtd_qemu.aug.in b/src/qemu/test_libvirtd_qemu.aug.in index 688e5b9fd..2f0a1277d 100644 --- a/src/qemu/test_libvirtd_qemu.aug.in +++ b/src/qemu/test_libvirtd_qemu.aug.in @@ -100,3 +100,4 @@ module Test_libvirtd_qemu = { "1" = "mount" } } { "memory_backing_dir" = "/var/lib/libvirt/qemu/ram" } +{ "memory_predictable_file_names" = "1" } -- 2.13.6

On 10/23/2017 06:47 PM, Daniel P. Berrange wrote: Correct. Almost. $alias is actual file, not dir. Yes. That's exactly what I'm doing. A snippet from next patch where we can see this in action: diff --git a/tests/qemuxml2argvdata/qemuxml2argv-cpu-numa-memshared.args b/tests/qemuxml2argvdata/qemuxml2argv-cpu-numa-memshared.args index 5700c3413..352819429 100644 --- a/tests/qemuxml2argvdata/qemuxml2argv-cpu-numa-memshared.args +++ b/tests/qemuxml2argvdata/qemuxml2argv-cpu-numa-memshared.args @@ -13 +13,1 @@ QEMU_AUDIO_DRV=none \ --object memory-backend-file,id=ram-node0,mem-path=/var/lib/libvirt/qemu/ram,\ +-object memory-backend-file,id=ram-node0,mem-path=/var/lib/libvirt/qemu/ram/libvirt/qemu/-1-QEMUGuest1/ram-node0,\ And even though you're not disputing '/libvirt/qemu/' part in the path, I'll just point out for future reference that memoryBackingDir can be just any path in the system. It's just that the default is /var/lib/libvirt/qemu which makes the generated path ugly (and indeed renders the part redundant). See next patch. Even better! Cool. Only these ^^ are dirs. This is actual file. > >> + >> + if (qemuSecurityDomainSetPathLabel(driver->securityManager, >> + def, path) < 0) { >> + virReportError(VIR_ERR_INTERNAL_ERROR, >> + _("Unable to label %s"), path); >> + return -1; >> + } >> + } else { >> + if (rmdir(path) < 0 && >> + errno != ENOENT) >> + VIR_WARN("Unable to remove hugepage path: %s (errno=%d)", >> + path, errno); > > This only deletes > > > so we're leaving around > > $memoryBackingDir/libvirt/qemu/$shortName Is that so? I'm fairly certain it removes $memoryBackingDir/libvirt/qemu/$shortName Michal

Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- tests/qemuxml2argvdata/qemuxml2argv-cpu-numa-memshared.args | 6 ++++-- tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.args | 3 ++- .../qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.args | 6 ++++-- .../qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.args | 9 ++++++--- tests/qemuxml2argvdata/qemuxml2argv-hugepages-memaccess2.args | 9 ++++++--- tests/qemuxml2argvtest.c | 1 + 6 files changed, 23 insertions(+), 11 deletions(-) diff --git a/tests/qemuxml2argvdata/qemuxml2argv-cpu-numa-memshared.args b/tests/qemuxml2argvdata/qemuxml2argv-cpu-numa-memshared.args index 5700c3413..352819429 100644 --- a/tests/qemuxml2argvdata/qemuxml2argv-cpu-numa-memshared.args +++ b/tests/qemuxml2argvdata/qemuxml2argv-cpu-numa-memshared.args @@ -10,10 +10,12 @@ QEMU_AUDIO_DRV=none \ -M pc \ -m 214 \ -smp 16,sockets=2,cores=4,threads=2 \ --object memory-backend-file,id=ram-node0,mem-path=/var/lib/libvirt/qemu/ram,\ +-object memory-backend-file,id=ram-node0,\ +mem-path=/var/lib/libvirt/qemu/ram/libvirt/qemu/-1-QEMUGuest1/ram-node0,\ share=yes,size=112197632 \ -numa node,nodeid=0,cpus=0-7,memdev=ram-node0 \ --object memory-backend-file,id=ram-node1,mem-path=/var/lib/libvirt/qemu/ram,\ +-object memory-backend-file,id=ram-node1,\ +mem-path=/var/lib/libvirt/qemu/ram/libvirt/qemu/-1-QEMUGuest1/ram-node1,\ share=no,size=112197632 \ -numa node,nodeid=1,cpus=8-15,memdev=ram-node1 \ -uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \ diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.args b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.args index 12f3d8ab8..fa1353259 100644 --- a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.args +++ b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.args @@ -11,7 +11,8 @@ QEMU_AUDIO_DRV=none \ -m 14336 \ -mem-prealloc \ -smp 8,sockets=1,cores=8,threads=1 \ --object memory-backend-file,id=ram-node0,mem-path=/var/lib/libvirt/qemu/ram,\ +-object memory-backend-file,id=ram-node0,\ +mem-path=/var/lib/libvirt/qemu/ram/libvirt/qemu/-1-instance-00000092/ram-node0,\ share=yes,size=15032385536 \ -numa node,nodeid=0,cpus=0-7,memdev=ram-node0 \ -uuid 126f2720-6f8e-45ab-a886-ec9277079a67 \ diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.args b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.args index 585e4d506..6f73a1b99 100644 --- a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.args +++ b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.args @@ -11,10 +11,12 @@ QEMU_AUDIO_DRV=none \ -m 28672 \ -mem-prealloc \ -smp 20,sockets=1,cores=8,threads=1 \ --object memory-backend-file,id=ram-node0,mem-path=/var/lib/libvirt/qemu/ram,\ +-object memory-backend-file,id=ram-node0,\ +mem-path=/var/lib/libvirt/qemu/ram/libvirt/qemu/-1-instance-00000092/ram-node0,\ share=no,size=15032385536 \ -numa node,nodeid=0,cpus=0-7,memdev=ram-node0 \ --object memory-backend-file,id=ram-node1,mem-path=/var/lib/libvirt/qemu/ram,\ +-object memory-backend-file,id=ram-node1,\ +mem-path=/var/lib/libvirt/qemu/ram/libvirt/qemu/-1-instance-00000092/ram-node1,\ share=yes,size=15032385536 \ -numa node,nodeid=1,cpus=8-15,memdev=ram-node1 \ -uuid 126f2720-6f8e-45ab-a886-ec9277079a67 \ diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.args b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.args index e9a57a69e..3c352fe03 100644 --- a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.args +++ b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.args @@ -11,13 +11,16 @@ QEMU_AUDIO_DRV=none \ -m 43008 \ -mem-prealloc \ -smp 32,sockets=1,cores=24,threads=1 \ --object memory-backend-file,id=ram-node0,mem-path=/var/lib/libvirt/qemu/ram,\ +-object memory-backend-file,id=ram-node0,\ +mem-path=/var/lib/libvirt/qemu/ram/libvirt/qemu/-1-instance-00000092/ram-node0,\ share=yes,size=15032385536 \ -numa node,nodeid=0,cpus=0-1,memdev=ram-node0 \ --object memory-backend-file,id=ram-node1,mem-path=/var/lib/libvirt/qemu/ram,\ +-object memory-backend-file,id=ram-node1,\ +mem-path=/var/lib/libvirt/qemu/ram/libvirt/qemu/-1-instance-00000092/ram-node1,\ share=yes,size=15032385536 \ -numa node,nodeid=1,cpus=2-3,memdev=ram-node1 \ --object memory-backend-file,id=ram-node2,mem-path=/var/lib/libvirt/qemu/ram,\ +-object memory-backend-file,id=ram-node2,\ +mem-path=/var/lib/libvirt/qemu/ram/libvirt/qemu/-1-instance-00000092/ram-node2,\ share=no,size=15032385536 \ -numa node,nodeid=2,cpus=4-5,memdev=ram-node2 \ -uuid 126f2720-6f8e-45ab-a886-ec9277079a67 \ diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hugepages-memaccess2.args b/tests/qemuxml2argvdata/qemuxml2argv-hugepages-memaccess2.args index 55db49171..d8e506c19 100644 --- a/tests/qemuxml2argvdata/qemuxml2argv-hugepages-memaccess2.args +++ b/tests/qemuxml2argvdata/qemuxml2argv-hugepages-memaccess2.args @@ -10,17 +10,20 @@ QEMU_AUDIO_DRV=none \ -M pc \ -m size=4194304k,slots=16,maxmem=8388608k \ -smp 4,sockets=4,cores=1,threads=1 \ --object memory-backend-file,id=ram-node0,mem-path=/var/lib/libvirt/qemu/ram,\ +-object memory-backend-file,id=ram-node0,\ +mem-path=/var/lib/libvirt/qemu/ram/libvirt/qemu/-1-QEMUGuest1/ram-node0,\ share=no,size=1073741824,host-nodes=0-3,policy=bind \ -numa node,nodeid=0,cpus=0,memdev=ram-node0 \ -object memory-backend-file,id=ram-node1,prealloc=yes,\ mem-path=/dev/hugepages2M/libvirt/qemu/-1-QEMUGuest1,share=yes,size=1073741824,\ host-nodes=0-3,policy=bind \ -numa node,nodeid=1,cpus=1,memdev=ram-node1 \ --object memory-backend-file,id=ram-node2,mem-path=/var/lib/libvirt/qemu/ram,\ +-object memory-backend-file,id=ram-node2,\ +mem-path=/var/lib/libvirt/qemu/ram/libvirt/qemu/-1-QEMUGuest1/ram-node2,\ share=no,size=1073741824,host-nodes=0-3,policy=bind \ -numa node,nodeid=2,cpus=2,memdev=ram-node2 \ --object memory-backend-file,id=ram-node3,mem-path=/var/lib/libvirt/qemu/ram,\ +-object memory-backend-file,id=ram-node3,\ +mem-path=/var/lib/libvirt/qemu/ram/libvirt/qemu/-1-QEMUGuest1/ram-node3,\ share=no,size=1073741824,host-nodes=3,policy=bind \ -numa node,nodeid=3,cpus=3,memdev=ram-node3 \ -object memory-backend-file,id=memdimm0,prealloc=yes,\ diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c index 03b1bcbcf..86ef89433 100644 --- a/tests/qemuxml2argvtest.c +++ b/tests/qemuxml2argvtest.c @@ -619,6 +619,7 @@ mymain(void) VIR_FREE(driver.config->memoryBackingDir); if (VIR_STRDUP_QUIET(driver.config->memoryBackingDir, "/var/lib/libvirt/qemu/ram") < 0) return EXIT_FAILURE; + driver.config->memoryPredictableFileNames = true; # define DO_TEST_FULL(name, migrateFrom, migrateFd, flags, \ parseFlags, gic, ...) \ -- 2.13.6