Re: heads up/RFC: 'perf trace' using ordered_events

2015-03-10 Thread Namhyung Kim
Hi David, On Tue, Mar 10, 2015 at 08:25:27AM -0600, David Ahern wrote: > On 3/10/15 12:06 AM, Namhyung Kim wrote: > >Hi Arnaldo, > > > >On Mon, Mar 09, 2015 at 10:21:35AM -0300, Arnaldo Carvalho de Melo wrote: > >>For trace I need to take advantage of the fact that each mmap is ordered > >>already

Re: heads up/RFC: 'perf trace' using ordered_events

2015-03-10 Thread David Ahern
On 3/10/15 12:06 AM, Namhyung Kim wrote: Hi Arnaldo, On Mon, Mar 09, 2015 at 10:21:35AM -0300, Arnaldo Carvalho de Melo wrote: For trace I need to take advantage of the fact that each mmap is ordered already and then just sort by the timestamp in the mmap head, etc. In retrospect, the perf.dat

Re: heads up/RFC: 'perf trace' using ordered_events

2015-03-09 Thread Namhyung Kim
Hi Arnaldo, On Mon, Mar 09, 2015 at 10:21:35AM -0300, Arnaldo Carvalho de Melo wrote: > For trace I need to take advantage of the fact that each mmap is ordered > already and then just sort by the timestamp in the mmap head, etc. > > In retrospect, the perf.data file should have kept that orderin

Re: heads up/RFC: 'perf trace' using ordered_events

2015-03-09 Thread Arnaldo Carvalho de Melo
Em Sat, Mar 07, 2015 at 02:45:24PM +0200, Adrian Hunter escreveu: > On 4/03/2015 3:07 a.m., Arnaldo Carvalho de Melo wrote: > >Em Wed, Mar 04, 2015 at 10:01:23AM +0900, Namhyung Kim escreveu: > >>On Tue, Mar 03, 2015 at 01:49:40PM -0300, Arnaldo Carvalho de Melo wrote: > >>> Just a preview, but t

Re: heads up/RFC: 'perf trace' using ordered_events

2015-03-07 Thread Adrian Hunter
On 4/03/2015 3:07 a.m., Arnaldo Carvalho de Melo wrote: Em Wed, Mar 04, 2015 at 10:01:23AM +0900, Namhyung Kim escreveu: On Tue, Mar 03, 2015 at 01:49:40PM -0300, Arnaldo Carvalho de Melo wrote: Hi, Just a preview, but this is something David had mentioned at some point, a major proble

Re: heads up/RFC: 'perf trace' using ordered_events

2015-03-03 Thread Arnaldo Carvalho de Melo
Em Wed, Mar 04, 2015 at 10:01:23AM +0900, Namhyung Kim escreveu: > On Tue, Mar 03, 2015 at 01:49:40PM -0300, Arnaldo Carvalho de Melo wrote: > > Hi, > > > > Just a preview, but this is something David had mentioned at some > > point, a major problem with 'perf trace' was that it wasn't using >

Re: heads up/RFC: 'perf trace' using ordered_events

2015-03-03 Thread Namhyung Kim
On Tue, Mar 03, 2015 at 01:49:40PM -0300, Arnaldo Carvalho de Melo wrote: > Hi, > > Just a preview, but this is something David had mentioned at some > point, a major problem with 'perf trace' was that it wasn't using > 'perf_session' event reordering mechanism, so I've been working on makin

heads up/RFC: 'perf trace' using ordered_events

2015-03-03 Thread Arnaldo Carvalho de Melo
Hi, Just a preview, but this is something David had mentioned at some point, a major problem with 'perf trace' was that it wasn't using 'perf_session' event reordering mechanism, so I've been working on making it use it, refactoring the ordered_events code so that it can be used by tools t