Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH 08/27] perf callchain: Add callchain_cursor_snapshot() | Date | Thu, 29 May 2014 12:58:11 +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.
Tested-by: Arun Sharma <asharma@fb.com> Tested-by: Rodrigo Campos <rodrigo@sdfg.com.ar> Acked-by: Jiri Olsa <jolsa@redhat.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 24a53d562d0a..8f84423a75da 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 */ -- 1.9.2
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