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Re: [PATCH 02/10] perf tools: Add perf_data_file__switch() helper

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Em Fri, Apr 15, 2016 at 12:41:08PM +0200, Jiri Olsa escreveu:
> On Wed, Apr 13, 2016 at 08:21:05AM +0000, Wang Nan wrote:
> > perf_data_file__switch() closes current output file, renames it, then
> > open a new one to continue recording. It will be used by perf record
> > to split output into multiple perf.data files.
> > 
> > Signed-off-by: Wang Nan <wangnan0@huawei.com>
> > Signed-off-by: He Kuang <hekuang@huawei.com>
> > Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
> > Cc: Jiri Olsa <jolsa@kernel.org>
> > Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
> > Cc: Namhyung Kim <namhyung@kernel.org>
> > Cc: Zefan Li <lizefan@huawei.com>
> > Cc: pi3orama@163.com
> > ---
> >  tools/perf/util/data.c | 41 +++++++++++++++++++++++++++++++++++++++++
> >  tools/perf/util/data.h | 11 ++++++++++-
> >  2 files changed, 51 insertions(+), 1 deletion(-)
> > 
> > diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
> > index 1921942..be835161 100644
> > --- a/tools/perf/util/data.c
> > +++ b/tools/perf/util/data.c
> > @@ -136,3 +136,44 @@ ssize_t perf_data_file__write(struct perf_data_file *file,
> >  {
> >  	return writen(file->fd, buf, size);
> >  }
> > +
> > +int perf_data_file__switch(struct perf_data_file *file,
> > +			   const char *postfix,
> > +			   size_t pos, bool at_exit)
> 
> could you please rename at_exit to reopen
> 
> I guess you follow the record object's at_exit naming,
> but 'reopen' seems more clear to me
> 

I'll rename this, if not yet pushed to Ingo, checking...

- Arnaldo
> jirka

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[PATCH 00/10] perf tools: Use SIGUSR2 control data dumpping Wang Nan <wangnan0@huawei.com> - 2016-04-13 10:30 +0200
  [PATCH 08/10] perf record: Re-synthesize tracking events after output switching Wang Nan <wangnan0@huawei.com> - 2016-04-13 10:30 +0200
  [PATCH 04/10] perf record: Add '--timestamp-filename' option to append timestamp to output filename Wang Nan <wangnan0@huawei.com> - 2016-04-13 10:30 +0200
    [tip:perf/core] perf record: Add '--timestamp-filename' option to  append timestamp to output file name tip-bot for Wang Nan <tipbot@zytor.com> - 2016-04-14 15:40 +0200
  [PATCH 10/10] perf core: Add backward attribute to perf event Wang Nan <wangnan0@huawei.com> - 2016-04-13 10:30 +0200
  [PATCH 02/10] perf tools: Add perf_data_file__switch() helper Wang Nan <wangnan0@huawei.com> - 2016-04-13 10:30 +0200
    [tip:perf/core] perf data: Add perf_data_file__switch() helper tip-bot for Wang Nan <tipbot@zytor.com> - 2016-04-14 15:40 +0200
    Re: [PATCH 02/10] perf tools: Add perf_data_file__switch() helper Jiri Olsa <jolsa@redhat.com> - 2016-04-15 13:00 +0200
      Re: [PATCH 02/10] perf tools: Add perf_data_file__switch() helper Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-04-15 18:10 +0200
  [PATCH 09/10] perf record: Generate tracking events for process forked by perf Wang Nan <wangnan0@huawei.com> - 2016-04-13 10:30 +0200
  [PATCH 05/10] perf record: Split output into multiple files via '--switch-output' Wang Nan <wangnan0@huawei.com> - 2016-04-13 10:30 +0200
  Re: [PATCH 00/10] perf tools: Use SIGUSR2 control data dumpping Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-04-13 19:20 +0200
  Re: [PATCH 00/10] perf tools: Use SIGUSR2 control data dumpping "Wangnan (F)" <wangnan0@huawei.com> - 2016-04-15 12:50 +0200
    Re: [PATCH 00/10] perf tools: Use SIGUSR2 control data dumpping "Wangnan (F)" <wangnan0@huawei.com> - 2016-04-15 13:50 +0200
      Re: [PATCH 00/10] perf tools: Use SIGUSR2 control data dumpping Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-04-15 15:10 +0200
        Re: [PATCH 00/10] perf tools: Use SIGUSR2 control data dumpping Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-04-15 18:30 +0200
          Re: [PATCH 00/10] perf tools: Use SIGUSR2 control data dumpping "Wangnan (F)" <wangnan0@huawei.com> - 2016-04-15 18:50 +0200
            Re: [PATCH 00/10] perf tools: Use SIGUSR2 control data dumpping "Wangnan (F)" <wangnan0@huawei.com> - 2016-04-15 20:00 +0200
  Re: [PATCH 00/10] perf tools: Use SIGUSR2 control data dumpping Jiri Olsa <jolsa@redhat.com> - 2016-04-15 12:50 +0200

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