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 <[email protected]> Cc: Frederic Weisbecker <[email protected]> Signed-off-by: Namhyung Kim <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
