linux-kernel - Re: [PATCH 0/9] perf sched replay: Make some improvements and fixes

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Message-ID: <20150407135335.GI11983@kernel.org>
Date:	Tue, 7 Apr 2015 10:53:35 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Yunlong Song <yunlong.song@...wei.com>,
	David Ahern <dsahern@...il.com>
Cc:	a.p.zijlstra@...llo.nl, paulus@...ba.org, mingo@...hat.com,
	linux-kernel@...r.kernel.org, wangnan0@...wei.com
Subject: Re: [PATCH 0/9] perf sched replay: Make some improvements and fixes

Em Tue, Apr 07, 2015 at 11:20:42AM +0800, Yunlong Song escreveu:
> On 2015/3/31 21:46, Yunlong Song wrote:
> > Hi,
> >   Found some functions to improve and bugs to fix in perf sched replay.
> > 
> > Yunlong Song (9):
> >   perf sched replay: Use struct task_desc instead of struct task_task
> >     for     correct meaning
> >   perf sched replay: Increase the MAX_PID value to fix assertion failure
> >         problem
> >   perf sched replay: Alloc the memory of pid_to_task dynamically to
> >     adapt     to the unexpected change of pid_max
> >   perf sched replay: Realloc the memory of pid_to_task stepwise to adapt
> >         to the different pid_max configurations
> >   perf sched replay: Fix the segmentation fault problem caused by pr_err
> >         in threads
> >   perf sched replay: Handle the dead halt of sem_wait when
> >     create_tasks()     fails for any task
> >   perf sched replay: Fix the EMFILE error caused by the limitation of
> >     the     maximum open files
> >   perf sched replay: Support using -f to override perf.data file
> >     ownership
> >   perf sched replay: Use replay_repeat to calculate the runavg of cpu   
> >      usage instead of the default value 10
> > 
> >  tools/perf/builtin-sched.c | 67 +++++++++++++++++++++++++++++++++++-----------
> >  1 file changed, 52 insertions(+), 15 deletions(-)
> > 
> 
> Ping...

All looks reasonable, applied.

David, please holler if you still have any concerns, or either we can
work from here, i.e. improving things with follow on patches.

- Arnaldo
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