Em Wed, Aug 07, 2013 at 04:24:23PM -0400, David Ahern escreveu:
> On 8/7/13 3:27 PM, Arnaldo Carvalho de Melo wrote:
> >Em Mon, Aug 05, 2013 at 09:41:36PM -0400, David Ahern escreveu:
> >So 'perf trace' has a similar option:
> >
> >[acme@zoo linux]$ perf trace --help
> >
> > --duration
>
On 8/7/13 3:27 PM, Arnaldo Carvalho de Melo wrote:
Em Mon, Aug 05, 2013 at 09:41:36PM -0400, David Ahern escreveu:
This is useful to spot high latency blips. It is normal for HLT
reasons to have long exit times, so strip those from the threshold
check.
So 'perf trace' has a similar option:
Em Mon, Aug 05, 2013 at 09:41:36PM -0400, David Ahern escreveu:
> This is useful to spot high latency blips. It is normal for HLT
> reasons to have long exit times, so strip those from the threshold
> check.
So 'perf trace' has a similar option:
[acme@zoo linux]$ perf trace --help
Em Mon, Aug 05, 2013 at 09:41:36PM -0400, David Ahern escreveu:
This is useful to spot high latency blips. It is normal for HLT
reasons to have long exit times, so strip those from the threshold
check.
So 'perf trace' has a similar option:
[acme@zoo linux]$ perf trace --help
SNIP
On 8/7/13 3:27 PM, Arnaldo Carvalho de Melo wrote:
Em Mon, Aug 05, 2013 at 09:41:36PM -0400, David Ahern escreveu:
This is useful to spot high latency blips. It is normal for HLT
reasons to have long exit times, so strip those from the threshold
check.
So 'perf trace' has a similar option:
Em Wed, Aug 07, 2013 at 04:24:23PM -0400, David Ahern escreveu:
On 8/7/13 3:27 PM, Arnaldo Carvalho de Melo wrote:
Em Mon, Aug 05, 2013 at 09:41:36PM -0400, David Ahern escreveu:
So 'perf trace' has a similar option:
[acme@zoo linux]$ perf trace --help
SNIP
--duration float
This is useful to spot high latency blips. It is normal for HLT
reasons to have long exit times, so strip those from the threshold
check.
Signed-off-by: David Ahern
Cc: Arnaldo Carvalho de Melo
Cc: Ingo Molnar
Cc: Frederic Weisbecker
Cc: Peter Zijlstra
Cc: Jiri Olsa
Cc: Namhyung Kim
Cc:
This is useful to spot high latency blips. It is normal for HLT
reasons to have long exit times, so strip those from the threshold
check.
Signed-off-by: David Ahern dsah...@gmail.com
Cc: Arnaldo Carvalho de Melo a...@ghostprotocols.net
Cc: Ingo Molnar mi...@kernel.org
Cc: Frederic Weisbecker
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