diff options
| author | Jiri Olsa <jolsa@redhat.com> | 2013-07-17 19:49:47 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-07-17 17:04:00 -0300 |
| commit | 2a08c3ec4f7d6058a450d2d4bc6e366955872707 (patch) | |
| tree | ffcd2c8c95e67260993ab8b7f4e96419adc7bcf8 /tools/perf/util/header.h | |
| parent | 8d541e974f4b3ed5db7e278b4d64481af34910a9 (diff) | |
perf header: Recognize version number for perf data file
Keep the recognized data file version within 'struct perf_header'.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1374083403-14591-8-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/header.h')
| -rw-r--r-- | tools/perf/util/header.h | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index e6387dcb95c0..307c9aed972e 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -34,6 +34,11 @@ enum { HEADER_FEAT_BITS = 256, }; +enum perf_header_version { + PERF_HEADER_VERSION_1, + PERF_HEADER_VERSION_2, +}; + struct perf_file_section { u64 offset; u64 size; @@ -85,12 +90,13 @@ struct perf_session_env { }; struct perf_header { - bool needs_swap; - u64 data_offset; - u64 data_size; - u64 feat_offset; + enum perf_header_version version; + bool needs_swap; + u64 data_offset; + u64 data_size; + u64 feat_offset; DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); - struct perf_session_env env; + struct perf_session_env env; }; struct perf_evlist; |