Messages in this thread | | | Date | Sat, 20 Apr 2019 10:48:18 +0200 | From | Jiri Olsa <> | Subject | Re: [PATCH 5.0 05/93] perf data: Dont store auxtrace index for directory data file |
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On Fri, Apr 19, 2019 at 09:25:27AM -0400, Sasha Levin wrote: > On Thu, Apr 18, 2019 at 10:28:47PM +0300, Thomas Backlund wrote: > > Den 18-04-2019 kl. 20:56, skrev Greg Kroah-Hartman: > > > [ Upstream commit cd3dd8dd8ff62374d90cb3f2e54b8c94106c7810 ] > > > > > > We can't store the auxtrace index when we store into multiple files, > > > because we keep only offset for it, not the file. > > > > > > The auxtrace data will be processed correctly in the 'pipe' mode. > > > > > > Signed-off-by: Jiri Olsa <jolsa@kernel.org> > > > Cc: Adrian Hunter <adrian.hunter@intel.com> > > > Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> > > > Cc: Alexey Budankov <alexey.budankov@linux.intel.com> > > > Cc: Andi Kleen <ak@linux.intel.com> > > > Cc: Namhyung Kim <namhyung@kernel.org> > > > Cc: Peter Zijlstra <peterz@infradead.org> > > > Cc: Stephane Eranian <eranian@google.com> > > > Link: http://lkml.kernel.org/r/20190308134745.5057-3-jolsa@kernel.org > > > Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> > > > Signed-off-by: Sasha Levin <sashal@kernel.org> > > > --- > > > tools/perf/builtin-record.c | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > > > diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c > > > index 882285fb9f64..3fd154f1701b 100644 > > > --- a/tools/perf/builtin-record.c > > > +++ b/tools/perf/builtin-record.c > > > @@ -386,7 +386,7 @@ static int record__process_auxtrace(struct perf_tool *tool, > > > size_t padding; > > > u8 pad[8] = {0}; > > > - if (!perf_data__is_pipe(data)) { > > > + if (!perf_data__is_pipe(data) && !perf_data__is_dir(data)) { > > > off_t file_offset; > > > int fd = perf_data__fd(data); > > > int err; > > > > > > > > > This breaks the build with: > > > > builtin-record.c: In function 'record__process_auxtrace': > > builtin-record.c:389:36: warning: implicit declaration of function > > 'perf_data__is_dir'; did you mean 'perf_data__is_pipe'? > > [-Wimplicit-function-declaration] > > if (!perf_data__is_pipe(data) && !perf_data__is_dir(data)) { > > ^~~~~~~~~~~~~~~~~ > > > > Looks like it depends atleast on: > > > > commit ec65def1045e4c7817b7f741a86dadae82877a93 > > Author: Jiri Olsa <jolsa@kernel.org> > > Date: Fri Mar 8 14:47:35 2019 +0100 > > > > perf data: Support having perf.data stored as a directory > > > > > > Maybe better to drop it. > > I've dropped it, thanks!
yes, no harm to drop this one if the perf_data__is_dir is not backported
jirka
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