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Date: Tue, 6 Oct 2015 11:28:07 -0300 From: Arnaldo Carvalho de Melo <acme@...nel.org> To: Namhyung Kim <namhyung@...nel.org> Cc: Jiri Olsa <jolsa@...nel.org>, lkml <linux-kernel@...r.kernel.org>, David Ahern <dsahern@...il.com>, Ingo Molnar <mingo@...nel.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl> Subject: Re: [RFC 0/3] perf tools: Make perf_hpp__init respect output dimensions Em Tue, Oct 06, 2015 at 11:04:28PM +0900, Namhyung Kim escreveu: > On Tue, Oct 6, 2015 at 9:25 PM, Jiri Olsa <jolsa@...nel.org> wrote: > > hi, > > The perf_hpp__init currently does not respect sorting dimensions > > and the setup_sorting function could endup queueing same format > > twice. That screwed up the perf_hpp__list and got stuck in loop > > within perf_hpp__setup_output_field function. > > > > $ perf report -F +overhead > > > > 0x00000000004c1355 in perf_hpp__is_sort_entry (format=format@...ry=0x880440 <perf_hpp.format>) at util/sort.c:1506 > > 1506 { > > > > #0 0x00000000004c1355 in perf_hpp__is_sort_entry (format=format@...ry=0x880440 <perf_hpp.format>) at util/sort.c:1506 > > #1 0x00000000004c139d in perf_hpp__same_sort_entry (a=a@...ry=0x880440 <perf_hpp.format>, b=b@...ry=0x2bb2fe0) at util/sort.c:1380 > > #2 0x00000000004f8d3c in perf_hpp__setup_output_field () at ui/hist.c:554 > > #3 0x00000000004c1d1e in setup_sorting () at util/sort.c:1984 > > #4 0x000000000042efbf in cmd_report (argc=0, argv=0x7ffea5a0e790, prefix=<optimized out>) at builtin-report.c:874 > > #5 0x0000000000476f13 in run_builtin (p=p@...ry=0x875628 <commands+168>, argc=argc@...ry=3, argv=argv@...ry=0x7ffea5a0e790) at perf.c:385 > > #6 0x000000000047710b in handle_internal_command (argc=3, argv=0x7ffea5a0e790) at perf.c:445 > > #7 0x0000000000477176 in run_argv (argcp=argcp@...ry=0x7ffea5a0e5fc, argv=argv@...ry=0x7ffea5a0e5f0) at perf.c:489 > > #8 0x00000000004773e7 in main (argc=3, argv=0x7ffea5a0e790) at perf.c:606 > > > > Using hpp_dimension__add_output function to register > > the output column. It will also mark the dimension > > as taken and omit above stuck. > > > > It might need some other changes.. not sure, Namhyung? ;-) > > Nope. It looks good to me as is. :) It should work once it sets up > the output field and sort list properly, so > > Acked-by: Namhyung Kim <namhyung@...nel.org> Thanks, added. - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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