diff options
| -rw-r--r-- | tools/perf/builtin-record.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index cf5c5379ceaa..4713f0f3a6cf 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -3996,8 +3996,15 @@ int cmd_record(int argc, const char **argv) arch__add_leaf_frame_record_opts(&rec->opts); err = -ENOMEM; - if (evlist__create_maps(rec->evlist, &rec->opts.target) < 0) - usage_with_options(record_usage, record_options); + if (evlist__create_maps(rec->evlist, &rec->opts.target) < 0) { + if (rec->opts.target.pid != NULL) { + pr_err("Couldn't create thread/CPU maps: %s\n", + errno == ENOENT ? "No such process" : str_error_r(errno, errbuf, sizeof(errbuf))); + goto out; + } + else + usage_with_options(record_usage, record_options); + } err = auxtrace_record__options(rec->itr, rec->evlist, &rec->opts); if (err) |