linux-kernel - Re: [PATCHSET 0/5] perf tools: Speed up dwarf callchain post-unwinding for libunwind (v4)

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Date:	Wed, 15 Oct 2014 16:24:41 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCHSET 0/5] perf tools: Speed up dwarf callchain
 post-unwinding for libunwind (v4)

Em Mon, Oct 13, 2014 at 08:11:58PM +0200, Jiri Olsa escreveu:
> On Mon, Oct 06, 2014 at 09:45:58AM +0900, Namhyung Kim wrote:
> > Hello,
> > 
> > This is v4 for libunwind callchain post processing speed up.  It was
> > able to reduce 50% of processing time by using global cache provided
> > in libunwind.  In this version, I decided to use the existing
> > callchain_param.record_mode instead of adding a new field in the
> > symbol_conf.
> > 
> > The patch 4 and 5 are just cleanups so that we can easily find out
> > that which part of code uses the thread->priv.
> > 
> > You can also get it from 'perf/callchain-unwind-v4' branch on my tree:
> > 
> >   git://git.kernel.org/pub/scm/linux/kernel/git/namhyung/linux-perf.git
> > 
> > Thanks,
> > Namhyung
> > 
> > 
> > Namhyung Kim (5):
> >   perf report: Set callchain_param.record_mode for future use
> >   perf callchain: Create an address space per thread
> >   perf callchain: Use global caching provided by libunwind
> >   perf kvm: Use thread_{,_set}_priv helpers
> >   perf trace: Use thread_{,_set}_priv helpers
> 
> Acked-by: Jiri Olsa <jolsa@...nel.org>

Thanks, applied.

- Arnaldo
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