perf tools: Add snapshot format file parsing
The .snapshot file indicates that the provided event value is a snapshot
value and we have to bypass the delta computation logic.
Adding support to check up this file and set event flag accordingly.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
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@kernel.org>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
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/1416562275-12404-10-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index c3a74e0..6b1249f 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -30,6 +30,7 @@
const char *unit;
double scale;
bool per_pkg;
+ bool snapshot;
};
#define UNIT_MAX_LEN 31 /* max length for event unit name */
@@ -41,6 +42,7 @@
char unit[UNIT_MAX_LEN+1];
double scale;
bool per_pkg;
+ bool snapshot;
};
struct perf_pmu *perf_pmu__find(const char *name);