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

2014-10-23 Thread Namhyung Kim
On Fri, Oct 24, 2014 at 10:56 AM, Arnaldo Carvalho de Melo wrote: > Em Fri, Oct 24, 2014 at 09:44:17AM +0900, Namhyung Kim escreveu: >> On Thu, 23 Oct 2014 20:35:42 -0300, Arnaldo Carvalho de Melo wrote: >> > I'll push later and will drop you a note, so that you can, please, check >> > if the end

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

2014-10-23 Thread Arnaldo Carvalho de Melo
Em Fri, Oct 24, 2014 at 09:44:17AM +0900, Namhyung Kim escreveu: > On Thu, 23 Oct 2014 20:35:42 -0300, Arnaldo Carvalho de Melo wrote: > > I'll push later and will drop you a note, so that you can, please, check > > if the end result is sane. > > Thank you! It should be on my perf/core branch by

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

2014-10-23 Thread Namhyung Kim
On Thu, 23 Oct 2014 20:35:42 -0300, Arnaldo Carvalho de Melo wrote: > Em Wed, Oct 22, 2014 at 10:34:27AM +0900, Namhyung Kim escreveu: >> Hi Arnaldo, >> >> On Wed, 15 Oct 2014 17:06:30 -0300, Arnaldo Carvalho de Melo wrote: >> > Next time please run: (I'm fixing this up this time) >> > >> > [acme@

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

2014-10-23 Thread Arnaldo Carvalho de Melo
Em Wed, Oct 22, 2014 at 10:34:27AM +0900, Namhyung Kim escreveu: > Hi Arnaldo, > > On Wed, 15 Oct 2014 17:06:30 -0300, Arnaldo Carvalho de Melo wrote: > > Next time please run: (I'm fixing this up this time) > > > > [acme@zoo linux]$ time make -C tools/perf build-test > ... > > In file included fr

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

2014-10-21 Thread Arnaldo Carvalho de Melo
Em Wed, Oct 22, 2014 at 10:34:27AM +0900, Namhyung Kim escreveu: > Hi Arnaldo, > > On Wed, 15 Oct 2014 17:06:30 -0300, Arnaldo Carvalho de Melo wrote: > > Next time please run: (I'm fixing this up this time) > > > > [acme@zoo linux]$ time make -C tools/perf build-test > ... > > In file included fr

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

2014-10-21 Thread Namhyung Kim
Hi Arnaldo, On Wed, 15 Oct 2014 17:06:30 -0300, Arnaldo Carvalho de Melo wrote: > Next time please run: (I'm fixing this up this time) > > [acme@zoo linux]$ time make -C tools/perf build-test ... > In file included from util/machine.c:14:0: > util/unwind.h: In function ‘unwind__prepare_access’: >

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

2014-10-16 Thread Namhyung Kim
Hi Arnaldo, On Thu, Oct 16, 2014 at 5:06 AM, Arnaldo Carvalho de Melo wrote: > Em Wed, Oct 15, 2014 at 04:24:41PM -0300, Arnaldo Carvalho de Melo escreveu: >> 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: >> > > He

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

2014-10-15 Thread Arnaldo Carvalho de Melo
Em Wed, Oct 15, 2014 at 04:24:41PM -0300, Arnaldo Carvalho de Melo escreveu: > 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 w

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

2014-10-15 Thread Arnaldo Carvalho de Melo
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 libu

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

2014-10-14 Thread Arnaldo Carvalho de Melo
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: > > Namhyung Kim (5): > > perf report: Set callchain_param.record_mode for future use > > perf callchain: Create an address space per thread > > perf callchain: Use gl

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

2014-10-13 Thread Jiri Olsa
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.r

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

2014-10-05 Thread Namhyung Kim
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