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perf header: Recognize version number for perf data file

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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>
This commit is contained in:
Jiri Olsa 2013-07-17 19:49:47 +02:00 • committed by Arnaldo Carvalho de Melo
parent 8d541e974f
commit 2a08c3ec4f
2 changed files with 13 additions and 5 deletions
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16
tools/perf/util/header.h
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@ -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;