diff options
Diffstat (limited to 'tools/perf/builtin-record.c')
| -rw-r--r-- | tools/perf/builtin-record.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index c83aec4940de..d0f9f8107f47 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1593,6 +1593,16 @@ static int record__init_clock(struct record *rec) return 0; } +static void hit_auxtrace_snapshot_trigger(struct record *rec) +{ + if (trigger_is_ready(&auxtrace_snapshot_trigger)) { + trigger_hit(&auxtrace_snapshot_trigger); + auxtrace_record__snapshot_started = 1; + if (auxtrace_record__snapshot_start(rec->itr)) + trigger_error(&auxtrace_snapshot_trigger); + } +} + static int __cmd_record(struct record *rec, int argc, const char **argv) { int err; @@ -1937,6 +1947,10 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) case EVLIST_CTL_CMD_DISABLE: pr_info(EVLIST_DISABLED_MSG); break; + case EVLIST_CTL_CMD_SNAPSHOT: + hit_auxtrace_snapshot_trigger(rec); + evlist__ctlfd_ack(rec->evlist); + break; case EVLIST_CTL_CMD_ACK: case EVLIST_CTL_CMD_UNSUPPORTED: default: @@ -2589,7 +2603,8 @@ static struct option __record_options[] = { parse_libpfm_events_option), #endif OPT_CALLBACK(0, "control", &record.opts, "fd:ctl-fd[,ack-fd] or fifo:ctl-fifo[,ack-fifo]", - "Listen on ctl-fd descriptor for command to control measurement ('enable': enable events, 'disable': disable events).\n" + "Listen on ctl-fd descriptor for command to control measurement ('enable': enable events, 'disable': disable events,\n" + "\t\t\t 'snapshot': AUX area tracing snapshot).\n" "\t\t\t Optionally send control command completion ('ack\\n') to ack-fd descriptor.\n" "\t\t\t Alternatively, ctl-fifo / ack-fifo will be opened and used as ctl-fd / ack-fd.", parse_control_option), @@ -2842,12 +2857,7 @@ static void snapshot_sig_handler(int sig __maybe_unused) { struct record *rec = &record; - if (trigger_is_ready(&auxtrace_snapshot_trigger)) { - trigger_hit(&auxtrace_snapshot_trigger); - auxtrace_record__snapshot_started = 1; - if (auxtrace_record__snapshot_start(record.itr)) - trigger_error(&auxtrace_snapshot_trigger); - } + hit_auxtrace_snapshot_trigger(rec); if (switch_output_signal(rec)) trigger_hit(&switch_output_trigger); |