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

From: Jiri Olsa
Date: Mon Oct 13 2014 - 14:12:21 EST

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://
> 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@xxxxxxxxxx>

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