Commit-ID: be1f13e30862ab6b0fffaecd556856a965cefa0c
Gitweb: http://git.kernel.org/tip/be1f13e30862ab6b0fffaecd556856a965cefa0c
Author: Namhyung Kim <namhyung@xxxxxxxxxx>
AuthorDate: Mon, 10 Sep 2012 13:38:00 +0900
Committer: Jiri Olsa <jolsa@xxxxxxxxxx>
CommitDate: Sun, 1 Jun 2014 14:34:59 +0200
perf callchain: Add callchain_cursor_snapshot()
The callchain_cursor_snapshot() is for saving current status of the
callchain. It'll be used to accumulate callchain information for each node.
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Tested-by: Arun Sharma <asharma@xxxxxx>
Tested-by: Rodrigo Campos <rodrigo@xxxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1401335910-16832-9-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
tools/perf/util/callchain.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index 24a53d5..8f84423 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -167,4 +167,13 @@ int fill_callchain_info(struct addr_location *al, struct callchain_cursor_node *
extern const char record_callchain_help[];
int parse_callchain_report_opt(const char *arg);
+
+static inline void callchain_cursor_snapshot(struct callchain_cursor *dest,
+ struct callchain_cursor *src)
+{
+ *dest = *src;
+
+ dest->first = src->curr;
+ dest->nr -= src->pos;
+}
#endif /* __PERF_CALLCHAIN_H */
--
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