Arnaldo,
On Wed, Mar 15, 2017 at 10:44 AM, Arnaldo Carvalho de Melo
wrote:
>
> Em Wed, Mar 15, 2017 at 10:08:27AM -0700, Stephane Eranian escreveu:
> > On Wed, Mar 15, 2017 at 6:58 AM, Arnaldo Carvalho de Melo
> > wrote:
> > > Em Wed, Mar 15, 2017 at 10:50:59AM -0300, Arnaldo Carvalho de Melo
>
Em Wed, Mar 15, 2017 at 10:08:27AM -0700, Stephane Eranian escreveu:
> On Wed, Mar 15, 2017 at 6:58 AM, Arnaldo Carvalho de Melo
> wrote:
> > Em Wed, Mar 15, 2017 at 10:50:59AM -0300, Arnaldo Carvalho de Melo escreveu:
> >> So, fixing up the "tasks" -> "tasks" we end up with something safe and
> >
On Wed, Mar 15, 2017 at 6:58 AM, Arnaldo Carvalho de Melo
wrote:
> Em Wed, Mar 15, 2017 at 10:50:59AM -0300, Arnaldo Carvalho de Melo escreveu:
>> So, fixing up the "tasks" -> "tasks" we end up with something safe and
>> that avoids this by now
>
> "tasks" -> "task", grrr
>
Oops, yeah, sorry about
Em Wed, Mar 15, 2017 at 10:50:59AM -0300, Arnaldo Carvalho de Melo escreveu:
> So, fixing up the "tasks" -> "tasks" we end up with something safe and
> that avoids this by now
"tasks" -> "task", grrr
- Arnaldo
Em Tue, Mar 14, 2017 at 11:57:21PM -0700, Stephane Eranian escreveu:
> This patch significantly improves the execution time of
> perf_event__synthesize_mmap_events() when running perf record
> on systems where processes have lots of threads. It just happens
> that cat /proc/pid/maps support uses a
On Tue, Mar 14, 2017 at 11:57:21PM -0700, Stephane Eranian wrote:
> This patch significantly improves the execution time of
> perf_event__synthesize_mmap_events() when running perf record
> on systems where processes have lots of threads. It just happens
> that cat /proc/pid/maps support uses a O(N
This patch significantly improves the execution time of
perf_event__synthesize_mmap_events() when running perf record
on systems where processes have lots of threads. It just happens
that cat /proc/pid/maps support uses a O(N^2) algorithm to generate
each map line in the maps file. If you have 100
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