perf header: Add HEADER_GROUP_DESC feature
Save group relationship information so that it can be restored when perf
report is running.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1358845787-1350-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index 20f0344..c9fc55c 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -29,6 +29,7 @@
HEADER_NUMA_TOPOLOGY,
HEADER_BRANCH_STACK,
HEADER_PMU_MAPPINGS,
+ HEADER_GROUP_DESC,
HEADER_LAST_FEATURE,
HEADER_FEAT_BITS = 256,
};
@@ -79,6 +80,7 @@
char *numa_nodes;
int nr_pmu_mappings;
char *pmu_mappings;
+ int nr_groups;
};
struct perf_header {