diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-record.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 29259e7..0f5771f 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -568,8 +568,11 @@ int cmd_record(int argc, const char **argv, const char *prefix) if (!argc && target_pid == -1 && !system_wide) usage_with_options(record_usage, options); - if (!nr_counters) - nr_counters = 1; + if (!nr_counters) { + nr_counters = 1; + attrs[0].type = PERF_TYPE_HARDWARE; + attrs[0].config = PERF_COUNT_HW_CPU_CYCLES; + } for (counter = 0; counter < nr_counters; counter++) { if (attrs[counter].sample_period) |