Hi,
Thanks for your prompt answer.

Regards.

J.P.

-----Message d'origine-----
De : Martin Kletzander [mailto:[email protected]] 
Envoyé : jeudi 9 juillet 2015 14:46
À : Jean-Pierre Ribeauville
Cc : [email protected]
Objet : Re: [libvirt-users] cpuacct and emulator/cpuacct

On Wed, Jul 08, 2015 at 09:11:11AM +0000, Jean-Pierre Ribeauville wrote:
>Hello,
>
>Does it exist some documentation concerning following topic ?
>
>What's difference between following perf counters :
>
>/cgroup/cpuacct/libvirt/qemu/test/cpuacct.usage
>and
>/cgroup/cpuacct/libvirt/qemu/test/emulator/cpuacct.usage
>

I don't know from the top of my head whether the accounting is effective for 
all tasks in the current group (i.e. /test/cpuacct.usage only accounts for 
/test/tasks) or also subgroups.  Anyway, if the second is true (which I think 
it is), then /test/emulator is only accounting for the emulator thread and the 
upper one is for emulator, all vCPU threads and I/O threads.

Martin

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