Messages in this thread | | | Date | Mon, 26 May 2014 19:36:46 +0200 | From | Jiri Olsa <> | Subject | Re: [PATCHv2 00/14] perf tools: Speedup DWARF unwind |
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On Fri, May 23, 2014 at 03:26:27PM +0200, Jean Pihet wrote: > Jiri, > > > On 23 May 2014 10:13, Jiri Olsa <jolsa@redhat.com> wrote: > > ping ;-) > This looks a ping to yourself ;-)
:-)
> > Here are the results on ARMv7: > - libunwind: between -29% in execution time for light load (i.e. using > not-so-deep backtraces from the stress app.) and -49% for deep > backtrace (the 'stress_bt' app.), > - libdw: no significant improvement (0-2% improvement).
nice, thanks for testing!
> > Cf. https://wiki.linaro.org/LEG/Engineering/TOOLS/perf-callstack-unwinding#Speed_improvement > for more details. > > FWIW: > Acked-by: Jean Pihet <jean.pihet@linaro.org>
thanks, jirka
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