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| author | Namhyung Kim <namhyung@kernel.org> | 2012-09-10 06:38:00 +0200 |
|---|---|---|
| committer | Jiri Olsa <jolsa@kernel.org> | 2014-06-01 14:34:59 +0200 |
| commit | be1f13e30862ab6b0fffaecd556856a965cefa0c (patch) | |
| tree | b3a6c81f4d0ff062d1efe75e662f7a4d748007c8 /tools | |
| parent | perf report: Cache cumulative callchains (diff) | |
| download | linux-be1f13e30862ab6b0fffaecd556856a965cefa0c.tar.xz linux-be1f13e30862ab6b0fffaecd556856a965cefa0c.zip | |
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 <namhyung@kernel.org>
Tested-by: Arun Sharma <asharma@fb.com>
Tested-by: Rodrigo Campos <rodrigo@sdfg.com.ar>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/1401335910-16832-9-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/callchain.h | 9 |
1 files changed, 9 insertions, 0 deletions
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 */ |