On Thu, Apr 18, 2019 at 07:55:54PM +0200, Greg Kroah-Hartman wrote: > [ 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@xxxxxxxxxx> > Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx> > Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx> > Cc: Alexey Budankov <alexey.budankov@xxxxxxxxxxxxxxx> > Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx> > Cc: Namhyung Kim <namhyung@xxxxxxxxxx> > Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > Cc: Stephane Eranian <eranian@xxxxxxxxxx> > Link: http://lkml.kernel.org/r/20190308134745.5057-3-jolsa@xxxxxxxxxx > Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> > --- > 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 22ebeb92ac51..f5b438486a64 100644 > --- a/tools/perf/builtin-record.c > +++ b/tools/perf/builtin-record.c > @@ -178,7 +178,7 @@ 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)) { This one causes a build failure when building perf: builtin-record.c: In function ‘record__process_auxtrace’: builtin-record.c:181:36: error: implicit declaration of function ‘perf_data__is_dir’; did you mean ‘perf_data__is_pipe’? [-Werror=implicit-function-declaration] if (!perf_data__is_pipe(data) && !perf_data__is_dir(data)) { ^~~~~~~~~~~~~~~~~ perf_data__is_pipe builtin-record.c:181:36: error: nested extern declaration of ‘perf_data__is_dir’ [-Werror=nested-externs] It seems to require 258031c017c3 ("perf header: Add DIR_FORMAT feature to describe directory data"), which doesn't backport cleanly. Dropping f54f24d0f19a ("perf data: Don't store auxtrace index for directory data file") does seem to fix the issue. > off_t file_offset; > int fd = perf_data__fd(data); > int err; > -- > 2.19.1 > > > -- Linaro - Kernel Validation