diff options
Diffstat (limited to 'tools/perf/util/session.c')
| -rw-r--r-- | tools/perf/util/session.c | 11 |
1 files changed, 11 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; +} |