Re: [PATCH 01/17] perf util: Save pid-cmdline mapping into tracing header

2013-08-08 Thread Namhyung Kim
Hi David, On Wed, 07 Aug 2013 09:44:24 -0400, David Ahern wrote: > On 8/5/13 3:17 AM, Namhyung Kim wrote: >>> I don't think this is a problem, its in line with Ingo's suggestion of a >>> new perf ioctl to ask the kernel to generate PERF_RECORD_MMAP events for >>> existing threads. >> >> Hmm.. coul

Re: [PATCH 01/17] perf util: Save pid-cmdline mapping into tracing header

2013-08-07 Thread David Ahern
On 8/5/13 3:17 AM, Namhyung Kim wrote: I don't think this is a problem, its in line with Ingo's suggestion of a new perf ioctl to ask the kernel to generate PERF_RECORD_MMAP events for existing threads. Hmm.. could you please give me a link of the thread? I believe this is the thread being re

Re: [PATCH 01/17] perf util: Save pid-cmdline mapping into tracing header

2013-08-05 Thread Namhyung Kim
Hi Arnaldo, On Wed, 31 Jul 2013 11:07:46 -0300, Arnaldo Carvalho de Melo wrote: > Em Wed, Jul 31, 2013 at 09:51:54AM +0900, Namhyung Kim escreveu: >> 2013-07-30 오후 10:28, Arnaldo Carvalho de Melo 쓴 글: >> >Em Tue, Jul 30, 2013 at 06:18:58PM +0900, Namhyung Kim escreveu: >> >>Current trace info data

Re: [PATCH 01/17] perf util: Save pid-cmdline mapping into tracing header

2013-07-31 Thread Arnaldo Carvalho de Melo
Em Wed, Jul 31, 2013 at 09:51:54AM +0900, Namhyung Kim escreveu: > 2013-07-30 오후 10:28, Arnaldo Carvalho de Melo 쓴 글: > >Em Tue, Jul 30, 2013 at 06:18:58PM +0900, Namhyung Kim escreveu: > >>Current trace info data lacks the saved cmdline mapping which is > >>needed for pevent to find out the comm o

Re: [PATCH 01/17] perf util: Save pid-cmdline mapping into tracing header

2013-07-30 Thread Namhyung Kim
Hi Arnaldo, 2013-07-30 오후 10:28, Arnaldo Carvalho de Melo 쓴 글: Em Tue, Jul 30, 2013 at 06:18:58PM +0900, Namhyung Kim escreveu: From: Namhyung Kim Current trace info data lacks the saved cmdline mapping which is needed for pevent to find out the comm of a task. Add this and bump up the versi

Re: [PATCH 01/17] perf util: Save pid-cmdline mapping into tracing header

2013-07-30 Thread Arnaldo Carvalho de Melo
Em Tue, Jul 30, 2013 at 06:18:58PM +0900, Namhyung Kim escreveu: > From: Namhyung Kim > > Current trace info data lacks the saved cmdline mapping which is > needed for pevent to find out the comm of a task. Add this and bump > up the version number so that perf can determine its presence when >

[PATCH 01/17] perf util: Save pid-cmdline mapping into tracing header

2013-07-30 Thread Namhyung Kim
From: Namhyung Kim Current trace info data lacks the saved cmdline mapping which is needed for pevent to find out the comm of a task. Add this and bump up the version number so that perf can determine its presence when reading. This is mostly corresponding to trace.dat file version 6, but still