Re: Wiki docs on counting and tracing KVM perf events

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, May 20, 2010 at 1:14 PM, Avi Kivity <avi@xxxxxxxxxx> wrote:
>> echo 1>/sys/kernel/debug/tracing/events/kvm/enable
>> cat /sys/kernel/debug/tracing/trace_pipe>results/trace&
>
> perf will enable the events by itself (no?), so all you need is is the perf
> call in the middle.

Yes, it will enable events.  However, I am also generating a
kvm_trace-like log using trace_pipe.  On this box I couldn't get perf
trace working so I used trace_pipe for the kvm_trace-equivalent and
perf stat for the kvm_stat equivalent.

Stefan
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux