lkml.org 
[lkml]   [2010]   [Mar]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] Enhance perf to collect KVM guest os statistics from host side

    * Avi Kivity <avi@redhat.com> wrote:

    > On 03/17/2010 10:16 AM, Ingo Molnar wrote:
    > >* Avi Kivity<avi@redhat.com> wrote:
    > >
    > >> Monitoring guests from the host is useful for kvm developers, but less so
    > >> for users.
    > >
    > > Guest space profiling is easy, and 'perf kvm' is not about that. (plain
    > > 'perf' will work if a proper paravirt channel is opened to the host)
    > >
    > > I think you might have misunderstood the purpose and role of the 'perf
    > > kvm' patch here? 'perf kvm' is aimed at KVM developers: it is them who
    > > improve KVM code, not guest kernel users.
    >
    > Of course I understood it. My point was that 'perf kvm' serves a tiny
    > minority of users. [...]

    I hope you wont be disappointed to learn that 100% of Linux, all 13+ million
    lines of it, was and is being developed by a tiny, tiny, tiny minority of
    users ;-)

    > [...] That doesn't mean it isn't useful, just that it doesn't satisfy all
    > needs by itself.

    Of course - and it doesnt bring world peace either. One step at a time.

    Thanks,

    Ingo


    \
     
     \ /
      Last update: 2010-03-17 10:01    [W:5.030 / U:0.244 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site