On Fri, May 28, 2010 at 3:37 PM, Arnaldo Carvalho de Melo <a...@infradead.org> wrote: > Em Fri, May 28, 2010 at 03:03:15PM +0200, Stephane Eranian escreveu: >> On Fri, May 28, 2010 at 2:57 PM, Arnaldo Carvalho de Melo >> <a...@infradead.org> wrote: >> > Em Fri, May 28, 2010 at 12:08:01PM +0200, Stephane Eranian escreveu: >> >> When -R is not used, cpu is set to -1to indicate that >> >> the CPU is unknown (it is not captured). > >> > It conflicts with Arun's patch for sorting by CPU that I started playing >> > with >> > yesterday, but in a good way, i.e. printing the CPU at that dump_printf >> > spot >> > was one of the changs I made in Arun's patch as well. > >> Yes, I realized that afterwards. > >> > [r...@emilia linux-2.6-tip]# perf report -D | grep SAMPLE | head -6 >> > 0x10240 [0x28]: PERF_RECORD_SAMPLE(IP, 1): 2 17252/17252: >> > 0xffffffff81253362 period: 1894446 >> > 0x10268 [0x28]: PERF_RECORD_SAMPLE(IP, 1): 2 17252/17252: >> > 0xffffffff81253338 period: 1894446 >> > 0x10290 [0x28]: PERF_RECORD_SAMPLE(IP, 1): 2 17252/17252: >> > 0xffffffff8125300d period: 1905103 >> > 0x102b8 [0x28]: PERF_RECORD_SAMPLE(IP, 1): 0 0/0: 0xffffffff8109117d >> > period: 1838260 >> > 0x102e0 [0x28]: PERF_RECORD_SAMPLE(IP, 1): 0 293/293: 0xffffffff8101ace6 >> > period: 352697 >> > 0x10308 [0x28]: PERF_RECORD_SAMPLE(IP, 1): 0 1763/1763: 0xffffffff8101ace6 >> > period: 352697 >> > [r...@emilia linux-2.6-tip]# > >> > I added it just before the pid/tid but prefixing it with "cpu: " is as >> > good as >> > doing it that way. > >> Fine. I think there needs to be some documenation explaining the structure >> of the line here. I had to dig into the code to understand it. > > Right, this so far is as ad-hoc as it can be :-) > > One idea that is in my TODO list is to generate some XML format people > say that oprofile produces and there is also some other format that a > valgrind tool uses that should be supported. > I think for a lot of people what matter is that the format be easily parseable by Python/Perl scripts. XML may be fine too.
> I also plan to have it in a spreadsheet TUI widget, allowing lots of > navigation gimmicks to help in debugging, like a popup that offers the > list of mmaps for the thread where the sample below the cursor happened, > etc. You may get tons of data. Not sure you could manage interactively. ------------------------------------------------------------------------------ _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel
