[libvirt] [PATCH] qemu: Move -name arg to be the 1st so it's visible in "ps x"
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Hi list,
Currently, monitoring QEMU virtual machines with standard Unix
sysadmin tools is harder than it has to be. The QEMU command line is
often miles long and mostly redundant, it's hard to tell which process
is which.
This patch reorders the QEMU -name argument to be the first, so it's
immediately visible in "ps x", htop and "atop -c" output.
Patch attached and also available from my github fork (master @
git://github.com/intgr/libvirt.git)
Regards,
Marti
Attachments:
- 0001-qemu-Move-name-arg-to-be-the-1st-so-it-s-visible-in-.patch (application/octet-stream — 2.0 KB)
On 06/01/2012 11:28 AM, Marti Raudsepp wrote:
Hi list,
Currently, monitoring QEMU virtual machines with standard Unix
sysadmin tools is harder than it has to be. The QEMU command line is
often miles long and mostly redundant, it's hard to tell which process
is which.
This patch reorders the QEMU -name argument to be the first, so it's
immediately visible in "ps x", htop and "atop -c" output.
These two paragraphs belong better as the commit message.
Patch attached and also available from my github fork (master @
git://github.com/intgr/libvirt.git)
Regards,
Marti
0001-qemu-Move-name-arg-to-be-the-1st-so-it-s-visible-in-.patch
From 81fb7b9ed8decb67d83dd2e8a4e2eae579e96acd Mon Sep 17 00:00:00 2001
From: Marti Raudsepp <marti(a)juffo.org>
Date: Fri, 1 Jun 2012 19:25:33 +0300
Subject: [PATCH] qemu: Move -name arg to be the 1st so it's visible in "ps
x"
output etc
This is a bit long; I trimmed it in length so that 'git shortlog -30'
doesn't wrap so badly:
qemu: move -name arg to be 1st in "ps x" output
- cmd = virCommandNewArgList(emulator, "-S", NULL);
+ cmd = virCommandNewArgList(emulator, NULL);
Once you get down to no args, it's more efficient to do:
virCommandNew(emulator);
And one BIIIIG problem - making this change means that 'make check'
fails, unless you update ALL of the tests to match. But I agree with
the concept, so I was okay making the change (sed scripting to the
rescue, thankfully).
ACK with those modifications, so I will push once I complete the
testsuite conversion. I will also be adding you to AUTHORS; let me know
if you prefer a different spelling than what you used to make your commit.
--
Eric Blake eblake(a)redhat.com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
On Fri, Jun 1, 2012 at 10:30 PM, Eric Blake <eblake(a)redhat.com> wrote:
Once you get down to no args, it's more efficient to do:
virCommandNew(emulator);
And one BIIIIG problem - making this change means that 'make check'
fails, unless you update ALL of the tests to match.
Oops, obviously I'm new to libvirt development. :)
ACK with those modifications, so I will push once I complete the
testsuite conversion. I will also be adding you to AUTHORS; let me know
if you prefer a different spelling than what you used to make your commit.
Thanks, this ID is good.
Regards,
Marti
On 06/01/2012 02:45 PM, Marti Raudsepp wrote:
On Fri, Jun 1, 2012 at 10:30 PM, Eric Blake <eblake(a)redhat.com>
wrote:
> Once you get down to no args, it's more efficient to do:
>
> virCommandNew(emulator);
>
> And one BIIIIG problem - making this change means that 'make check'
> fails, unless you update ALL of the tests to match.
Thankfully, we had very few named VMs in our testsuite - I only had to
touch 15 files.
Oops, obviously I'm new to libvirt development. :)
> ACK with those modifications, so I will push once I complete the
> testsuite conversion. I will also be adding you to AUTHORS; let me know
> if you prefer a different spelling than what you used to make your commit.
Thanks, this ID is good.
Good to know. Pushed now.
--
Eric Blake eblake(a)redhat.com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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Marti Raudsepp