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Re: [PATCH 5/9] perf tools: Introduce 'P' modifier

From Jiri Olsa <jolsa@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH 5/9] perf tools: Introduce 'P' modifier
Date 2015-10-06 09:10 +0200
Message-ID <qguxQ-7kY-27@gated-at.bofh.it> (permalink)
References <qgimZ-6vn-11@gated-at.bofh.it> <qgin0-6vn-39@gated-at.bofh.it> <qgjCq-8dv-21@gated-at.bofh.it>
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On Mon, Oct 05, 2015 at 04:20:40PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Mon, Oct 05, 2015 at 08:06:05PM +0200, Jiri Olsa escreveu:
> > The 'P' will cause the event to get maximum possible
> > detected precise level.
> > 
> > Following record:
> >   $ perf record -e cycles:P ...
> > 
> > will detect maximum precise level for 'cycles' event
> > and use it.
> 
> I had to do a 'make -C tools/perf clean' to get this to work, i.e. it is
> not noticing that the parser files were changed and thus need to run
> again, can you please take a look?

can't see that:

[jolsa@krava perf]$ make
  BUILD:   Doing 'make -j4' parallel build
  CC       util/parse-events.o
  LD       util/libperf-in.o
  LD       libperf-in.o
  AR       libperf.a
  LINK     perf
  LINK     libperf-gtk.so
[jolsa@krava perf]$ touch util/parse-events.l 
[jolsa@krava perf]$ make
  BUILD:   Doing 'make -j4' parallel build
  FLEX     util/parse-events-flex.c
  CC       util/parse-events-flex.o
  CC       util/parse-events.o
  LD       util/libperf-in.o
  LD       libperf-in.o
  AR       libperf.a
  LINK     perf
  LINK     libperf-gtk.so
[jolsa@krava perf]$ touch util/parse-events.y 
[jolsa@krava perf]$ make
  BUILD:   Doing 'make -j4' parallel build
  BISON    util/parse-events-bison.c
  FLEX     util/parse-events-flex.c
  CC       util/parse-events-bison.o
  CC       util/parse-events.o
  CC       util/parse-events-flex.o
  LD       util/libperf-in.o
  LD       libperf-in.o
  AR       libperf.a
  LINK     perf
  LINK     libperf-gtk.so
[jolsa@krava linux-perf]$ make -C tools/perf
make: Entering directory '/home/jolsa/kernel/linux-perf/tools/perf'
  BUILD:   Doing 'make -j4' parallel build
  CC       util/parse-events.o
  LD       util/libperf-in.o
  LD       libperf-in.o
  AR       libperf.a
  LINK     perf
  LINK     libperf-gtk.so
make: Leaving directory '/home/jolsa/kernel/linux-perf/tools/perf'
[jolsa@krava linux-perf]$ make -C tools/perf
make: Entering directory '/home/jolsa/kernel/linux-perf/tools/perf'
  BUILD:   Doing 'make -j4' parallel build
  BISON    util/parse-events-bison.c
  FLEX     util/parse-events-flex.c
  CC       util/parse-events-bison.o
  CC       util/parse-events.o
  CC       util/parse-events-flex.o
  LD       util/libperf-in.o
  LD       libperf-in.o
  AR       libperf.a
  LINK     perf
  LINK     libperf-gtk.so
make: Leaving directory '/home/jolsa/kernel/linux-perf/tools/perf'
[jolsa@krava linux-perf]$ make -C tools/perf
make: Entering directory '/home/jolsa/kernel/linux-perf/tools/perf'
  BUILD:   Doing 'make -j4' parallel build
  FLEX     util/parse-events-flex.c
  CC       util/parse-events-flex.o
  CC       util/parse-events.o
  LD       util/libperf-in.o
  LD       libperf-in.o
  AR       libperf.a
  LINK     perf
  LINK     libperf-gtk.so
make: Leaving directory '/home/jolsa/kernel/linux-perf/tools/perf'


jirka
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Thread

[PATCH 0/9] perf tools: Various fixes Jiri Olsa <jolsa@kernel.org> - 2015-10-05 20:10 +0200
  [PATCH 6/9] perf tests: Add parsing test for 'P' modifier Jiri Olsa <jolsa@kernel.org> - 2015-10-05 20:10 +0200
    [tip:perf/core] perf tests: Add parsing test for 'P' modifier tip-bot for Jiri Olsa <tipbot@zytor.com> - 2015-10-06 09:20 +0200
  [PATCH 1/9] tools lib api fs: Do not use PATH_MAX + 1 Jiri Olsa <jolsa@kernel.org> - 2015-10-05 20:10 +0200
    [tip:perf/core] tools lib api fs: No need to use PATH_MAX + 1 tip-bot for Jiri Olsa <tipbot@zytor.com> - 2015-10-06 09:20 +0200
  [PATCH 5/9] perf tools: Introduce 'P' modifier Jiri Olsa <jolsa@kernel.org> - 2015-10-05 20:10 +0200
    Re: [PATCH 5/9] perf tools: Introduce 'P' modifier David Ahern <dsahern@gmail.com> - 2015-10-05 20:20 +0200
      Re: [PATCH 5/9] perf tools: Introduce 'P' modifier Jiri Olsa <jolsa@redhat.com> - 2015-10-05 20:40 +0200
        Re: [PATCH 5/9] perf tools: Introduce 'P' modifier Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-10-05 21:10 +0200
    Re: [PATCH 5/9] perf tools: Introduce 'P' modifier Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-10-05 21:30 +0200
      Re: [PATCH 5/9] perf tools: Introduce 'P' modifier Jiri Olsa <jolsa@redhat.com> - 2015-10-06 09:10 +0200
    [tip:perf/core] perf tools: Introduce 'P'   modifier to request max precision tip-bot for Jiri Olsa <tipbot@zytor.com> - 2015-10-06 09:20 +0200
  [PATCH 7/9] perf tools: Add support for sorting on the iaddr Jiri Olsa <jolsa@kernel.org> - 2015-10-05 20:10 +0200
    [tip:perf/core] perf tools: Add support for sorting on the iaddr tip-bot for Don Zickus <tipbot@zytor.com> - 2015-10-06 09:20 +0200
  [PATCH 8/9] perf tools: Setup proper width for symbol_iaddr field Jiri Olsa <jolsa@kernel.org> - 2015-10-05 20:10 +0200
    [tip:perf/core] perf tools:   Setup proper width for symbol_iaddr field tip-bot for Jiri Olsa <tipbot@zytor.com> - 2015-10-06 09:20 +0200
  [PATCH 2/9] perf evlist: Display DATA_SRC sample type bit Jiri Olsa <jolsa@kernel.org> - 2015-10-05 20:10 +0200
    [tip:perf/core] perf evlist: Display DATA_SRC sample type bit tip-bot for Jiri Olsa <tipbot@zytor.com> - 2015-10-06 09:20 +0200

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