Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH 07/21] perf callchain: Add callchain_cursor_snapshot() | Date | Fri, 7 Feb 2014 10:35:09 +0900 |
| |
The callchain_cursor_snapshot() is for saving current status of the callchain. It'll be used to accumulate callchain information for each node.
Tested-by: Arun Sharma <asharma@fb.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- 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 66faae21370d..bbd63dfbe112 100644 --- a/tools/perf/util/callchain.h +++ b/tools/perf/util/callchain.h @@ -159,4 +159,13 @@ int fill_callchain_info(struct addr_location *al, struct callchain_cursor_node * bool hide_unresolved); extern const char record_callchain_help[]; + +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 */ -- 1.7.11.7
| |