perf hists: Add support for accumulated stat of hist entry
Maintain accumulated stat information in hist_entry->stat_acc if
symbol_conf.cumulate_callchain is set. Fields in ->stat_acc have same
vaules initially, and will be updated as callchain is processed later.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arun Sharma <asharma@fb.com>
Tested-by: Rodrigo Campos <rodrigo@sdfg.com.ar>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/1401335910-16832-4-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 5f38d92..c9ffa03 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -82,6 +82,7 @@
struct list_head head;
} pairs;
struct he_stat stat;
+ struct he_stat *stat_acc;
struct map_symbol ms;
struct thread *thread;
struct comm *comm;