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SubjectRe: [PATCHv4] perf kvm: add kvm-stat for arm64
Em Tue, Sep 29, 2020 at 12:34:50PM +0900, Sergey Senozhatsky escreveu:
> On (20/09/17 19:02), Sergey Senozhatsky wrote:
> > Add support for perf kvm stat on arm64 platform.

> > Example:
> > # perf kvm stat report

> > Analyze events for all VMs, all VCPUs:

> > VM-EXIT Samples Samples% Time% Min Time Max Time Avg time
> >
> > DABT_LOW 661867 98.91% 40.45% 2.19us 3364.65us 6.24us ( +- 0.34% )
> > IRQ 4598 0.69% 57.44% 2.89us 3397.59us 1276.27us ( +- 1.61% )
> > WFx 1475 0.22% 1.71% 2.22us 3388.63us 118.31us ( +- 8.69% )
> > IABT_LOW 1018 0.15% 0.38% 2.22us 2742.07us 38.29us ( +- 12.55% )
> > SYS64 180 0.03% 0.01% 2.07us 112.91us 6.57us ( +- 14.95% )
> > HVC64 17 0.00% 0.01% 2.19us 322.35us 42.95us ( +- 58.98% )

> > Total Samples:669155, Total events handled time:10216387.86us.

> > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
> > Reviewed-by: Leo Yan <leo.yan@linaro.org>
> > Tested-by: Leo Yan <leo.yan@linaro.org>

> Arnaldo, any opinion on this?

I'm not finding the actual patch, just this reply from you, lets try
with b4 using this message Message-Id... Magic! But it isn't applying,
can you please refresh the patch to what is in my perf/core branch?

- Arnaldo

[acme@five perf]$ b4 am -csl 20200929033450.GB529@jagdpanzerIV.localdomain
Looking up https://lore.kernel.org/r/20200929033450.GB529%40jagdpanzerIV.localdomain
Grabbing thread from lore.kernel.org/linux-arm-kernel
Analyzing 2 messages in the thread
---
Writing ./20200917_sergey_senozhatsky__1_2_3.mbx
[PATCHv4] perf kvm: add kvm-stat for arm64
+ Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
+ Link: https://lore.kernel.org/r/20200917100225.208794-1-sergey.senozhatsky@gmail.com
---
Total patches: 1
---
Link: https://lore.kernel.org/r/20200917100225.208794-1-sergey.senozhatsky@gmail.com
Base: not found
git am ./20200917_sergey_senozhatsky__1_2_3.mbx
[acme@five perf]$ vim ./20200917_sergey_senozhatsky__1_2_3.mbx
[acme@five perf]$
[acme@five perf]$ git am ./20200917_sergey_senozhatsky__1_2_3.mbx
Applying: perf kvm: add kvm-stat for arm64
error: patch failed: tools/perf/arch/arm64/util/Build:1
error: tools/perf/arch/arm64/util/Build: patch does not apply
Patch failed at 0001 perf kvm: add kvm-stat for arm64
hint: Use 'git am --show-current-patch=diff' to see the failed patch
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".
[acme@five perf]$

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