diff options
Diffstat (limited to 'tools/perf/builtin-trace.c')
-rw-r--r-- | tools/perf/builtin-trace.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index b160a9f61bf3..88eef71bce6d 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c | |||
@@ -184,6 +184,10 @@ static int __cmd_trace(void) | |||
184 | header = perf_header__read(input); | 184 | header = perf_header__read(input); |
185 | sample_type = perf_header__sample_type(header); | 185 | sample_type = perf_header__sample_type(header); |
186 | 186 | ||
187 | if (!(sample_type & PERF_SAMPLE_RAW)) | ||
188 | die("No trace sample to read. Did you call perf record " | ||
189 | "without -R?"); | ||
190 | |||
187 | if (load_kernel() < 0) { | 191 | if (load_kernel() < 0) { |
188 | perror("failed to load kernel symbols"); | 192 | perror("failed to load kernel symbols"); |
189 | return EXIT_FAILURE; | 193 | return EXIT_FAILURE; |