diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2009-12-28 02:37:01 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-12-28 11:03:33 +0300 |
| commit | 27295592c22e71bbd38110c302da8dbb43912a60 (patch) | |
| tree | 01442f9b788e3b0a01bc29e22a0e799e1c45c91d /tools/perf/util | |
| parent | 4a58e61161074776aa34187ea369414ce4852394 (diff) | |
| download | linux-27295592c22e71bbd38110c302da8dbb43912a60.tar.xz | |
perf session: Share the common trace sample_check routine as perf_session__has_traces
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1261957026-15580-5-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/session.c | 11 | ||||
| -rw-r--r-- | tools/perf/util/session.h | 2 |
2 files changed, 13 insertions, 0 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 736d4fda9272..60eab8b3ff34 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -393,3 +393,14 @@ done: out_err: return err; } + +int perf_session__has_traces(struct perf_session *self) +{ + if (!(self->sample_type & PERF_SAMPLE_RAW)) { + pr_err("No trace sample to read. Did you call perf record " + "without -R?"); + return -1; + } + + return 0; +} diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index 32eaa1bada06..a6951d2f700f 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -56,6 +56,8 @@ struct symbol **perf_session__resolve_callchain(struct perf_session *self, struct ip_callchain *chain, struct symbol **parent); +int perf_session__has_traces(struct perf_session *self); + int perf_header__read_build_ids(int input, u64 offset, u64 file_size); #endif /* __PERF_SESSION_H */ |