From be1f13e30862ab6b0fffaecd556856a965cefa0c Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Mon, 10 Sep 2012 13:38:00 +0900 Subject: [PATCH] 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 Tested-by: Arun Sharma Tested-by: Rodrigo Campos Cc: Frederic Weisbecker Link: http://lkml.kernel.org/r/1401335910-16832-9-git-send-email-namhyung@kernel.org Signed-off-by: Jiri Olsa --- 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 */ -- 2.30.2