diff options
| author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-11-11 06:51:05 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-11 09:30:18 +0300 |
| commit | 4778d2e4f410c6eea32f594cb2be9590bcb28b84 (patch) | |
| tree | 99625c6a532d83606e0d6c8ec7c812d5d5047e50 /tools/perf/util/header.c | |
| parent | 57f395a7eabb913d3605d7392be5bdb0837c9f3d (diff) | |
| download | linux-4778d2e4f410c6eea32f594cb2be9590bcb28b84.tar.xz | |
perf tools: Read the build-ids from the header layer
Keep the build-ids reading implementation in the data mapping
but move its call to the headers so that we have a better
control on it (offset seeking, size passing, etc..).
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
LKML-Reference: <1257911467-28276-4-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/header.c')
| -rw-r--r-- | tools/perf/util/header.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 2f702c23f71a..915b56edbf02 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -9,6 +9,8 @@ #include "../perf.h" #include "trace-event.h" #include "symbol.h" +#include "data_map.h" +#include "debug.h" /* * Create new perf.data header attribute: @@ -322,6 +324,14 @@ static void perf_header__adds_read(struct perf_header *self, int fd) trace_report(fd); lseek(fd, trace_sec.offset + trace_sec.size, SEEK_SET); } + + if (perf_header__has_feat(self, HEADER_BUILD_ID)) { + struct stat input_stat; + + fstat(fd, &input_stat); + if (perf_header__read_build_ids(self, fd, input_stat.st_size)) + pr_debug("failed to read buildids, continuing...\n"); + } }; struct perf_header *perf_header__read(int fd) @@ -382,14 +392,14 @@ struct perf_header *perf_header__read(int fd) memcpy(&self->adds_features, &f_header.adds_features, sizeof(f_header.adds_features)); - perf_header__adds_read(self, fd); - self->event_offset = f_header.event_types.offset; self->event_size = f_header.event_types.size; self->data_offset = f_header.data.offset; self->data_size = f_header.data.size; + perf_header__adds_read(self, fd); + lseek(fd, self->data_offset, SEEK_SET); self->frozen = 1; |