Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH 11/28] perf callchain: Add callchain_cursor_snapshot() | Date | Wed, 8 Jan 2014 17:46:16 +0900 |
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The callchain_cursor_snapshot() is for saving current status of the callchain. It'll be used to accumulate callchain information for each node.
Cc: 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 08b25af9eea1..bad694287cb8 100644 --- a/tools/perf/util/callchain.h +++ b/tools/perf/util/callchain.h @@ -151,4 +151,13 @@ int record_parse_callchain_opt(const struct option *opt, const char *arg, int un int record_callchain_opt(const struct option *opt, const char *arg, int unset); 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
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