diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2018-03-07 16:50:03 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-03-08 15:30:41 +0100 |
| commit | e971a5a8399a5e84164239a5c2d59b8a51314241 (patch) | |
| tree | 19233e7a318105baecaf93fef2e6a678c45c1f6e /tools/perf/util/header.c | |
| parent | perf report: Fix the output for stdio events list (diff) | |
| download | linux-e971a5a8399a5e84164239a5c2d59b8a51314241.tar.xz linux-e971a5a8399a5e84164239a5c2d59b8a51314241.zip | |
perf report: Display perf.data header info
Display more header info from perf.data file, following values:
$ perf report -i perf.data --header-only
...
# header version : 1
# data offset : 424
# data size : 3364280
# feat offset : 3364704
It's handy for debuging.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180307155020.32613-3-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/header.c')
| -rw-r--r-- | tools/perf/util/header.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index a326e0d8b5b6..e0c3cad0fd8d 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2318,7 +2318,12 @@ int perf_header__fprintf_info(struct perf_session *session, FILE *fp, bool full) if (ret == -1) return -1; - fprintf(fp, "# captured on: %s", ctime(&st.st_ctime)); + fprintf(fp, "# captured on : %s", ctime(&st.st_ctime)); + + fprintf(fp, "# header version : %u\n", header->version); + fprintf(fp, "# data offset : %" PRIu64 "\n", header->data_offset); + fprintf(fp, "# data size : %" PRIu64 "\n", header->data_size); + fprintf(fp, "# feat offset : %" PRIu64 "\n", header->feat_offset); perf_header__process_sections(header, fd, &hd, perf_file_section__fprintf_info); |