diff options
Diffstat (limited to 'tools/perf/builtin-record.c')
| -rw-r--r-- | tools/perf/builtin-record.c | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index f8d9a545dd6..75d230fef20 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -205,8 +205,11 @@ static void perf_record__open(struct perf_record *rec) if (opts->group && pos != first) group_fd = first->fd; +fallback_missing_features: + if (opts->exclude_guest_missing) + attr->exclude_guest = attr->exclude_host = 0; retry_sample_id: - attr->sample_id_all = opts->sample_id_all_avail ? 1 : 0; + attr->sample_id_all = opts->sample_id_all_missing ? 0 : 1; try_again: if (perf_evsel__open(pos, evlist->cpus, evlist->threads, opts->group, group_fd) < 0) { @@ -218,15 +221,23 @@ try_again: } else if (err == ENODEV && opts->cpu_list) { die("No such device - did you specify" " an out-of-range profile CPU?\n"); - } else if (err == EINVAL && opts->sample_id_all_avail) { - /* - * Old kernel, no attr->sample_id_type_all field - */ - opts->sample_id_all_avail = false; - if (!opts->sample_time && !opts->raw_samples && !time_needed) - attr->sample_type &= ~PERF_SAMPLE_TIME; - - goto retry_sample_id; + } else if (err == EINVAL) { + if (!opts->exclude_guest_missing && + (attr->exclude_guest || attr->exclude_host)) { + pr_debug("Old kernel, cannot exclude " + "guest or host samples.\n"); + opts->exclude_guest_missing = true; + goto fallback_missing_features; + } else if (!opts->sample_id_all_missing) { + /* + * Old kernel, no attr->sample_id_type_all field + */ + opts->sample_id_all_missing = true; + if (!opts->sample_time && !opts->raw_samples && !time_needed) + attr->sample_type &= ~PERF_SAMPLE_TIME; + + goto retry_sample_id; + } } /* @@ -494,9 +505,9 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) return err; } - if (!!rec->no_buildid + if (!rec->no_buildid && !perf_header__has_feat(&session->header, HEADER_BUILD_ID)) { - pr_err("Couldn't generating buildids. " + pr_err("Couldn't generate buildids. " "Use --no-buildid to profile anyway.\n"); return -1; } @@ -645,13 +656,10 @@ static const char * const record_usage[] = { */ static struct perf_record record = { .opts = { - .target_pid = -1, - .target_tid = -1, .mmap_pages = UINT_MAX, .user_freq = UINT_MAX, .user_interval = ULLONG_MAX, .freq = 1000, - .sample_id_all_avail = true, }, .write_mode = WRITE_FORCE, .file_new = true, @@ -670,9 +678,9 @@ const struct option record_options[] = { parse_events_option), OPT_CALLBACK(0, "filter", &record.evlist, "filter", "event filter", parse_filter), - OPT_INTEGER('p', "pid", &record.opts.target_pid, + OPT_STRING('p', "pid", &record.opts.target_pid, "pid", "record events on existing process id"), - OPT_INTEGER('t', "tid", &record.opts.target_tid, + OPT_STRING('t', "tid", &record.opts.target_tid, "tid", "record events on existing thread id"), OPT_INTEGER('r', "realtime", &record.realtime_prio, "collect data with this RT SCHED_FIFO priority"), @@ -739,7 +747,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) argc = parse_options(argc, argv, record_options, record_usage, PARSE_OPT_STOP_AT_NON_OPTION); - if (!argc && rec->opts.target_pid == -1 && rec->opts.target_tid == -1 && + if (!argc && !rec->opts.target_pid && !rec->opts.target_tid && !rec->opts.system_wide && !rec->opts.cpu_list && !rec->uid_str) usage_with_options(record_usage, record_options); @@ -785,7 +793,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) if (rec->uid_str != NULL && rec->opts.uid == UINT_MAX - 1) goto out_free_fd; - if (rec->opts.target_pid != -1) + if (rec->opts.target_pid) rec->opts.target_tid = rec->opts.target_pid; if (perf_evlist__create_maps(evsel_list, rec->opts.target_pid, |