1 files changed, 107 insertions, 4 deletions

diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index a1c9eb6d4f40..33cf8928cf05 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -233,6 +233,16 @@ static void intel_pt_log_event(union perf_event *event)
 	perf_event__fprintf(event, f);
 }
 
+static void intel_pt_dump_sample(struct perf_session *session,
+				 struct perf_sample *sample)
+{
+	struct intel_pt *pt = container_of(session->auxtrace, struct intel_pt,
+					   auxtrace);
+
+	printf("\n");
+	intel_pt_dump(pt, sample->aux_sample.data, sample->aux_sample.size);
+}
+
 static int intel_pt_do_fix_overlap(struct intel_pt *pt, struct auxtrace_buffer *a,
 				   struct auxtrace_buffer *b)
 {
@@ -836,6 +846,18 @@ static bool intel_pt_have_tsc(struct intel_pt *pt)
 	return have_tsc;
 }
 
+static bool intel_pt_sampling_mode(struct intel_pt *pt)
+{
+	struct evsel *evsel;
+
+	evlist__for_each_entry(pt->session->evlist, evsel) {
+		if ((evsel->core.attr.sample_type & PERF_SAMPLE_AUX) &&
+		    evsel->core.attr.aux_sample_size)
+			return true;
+	}
+	return false;
+}
+
 static u64 intel_pt_ns_to_ticks(const struct intel_pt *pt, u64 ns)
 {
 	u64 quot, rem;
@@ -2320,6 +2342,56 @@ static int intel_pt_process_timeless_queues(struct intel_pt *pt, pid_t tid,
 	return 0;
 }
 
+static void intel_pt_sample_set_pid_tid_cpu(struct intel_pt_queue *ptq,
+					    struct auxtrace_queue *queue,
+					    struct perf_sample *sample)
+{
+	struct machine *m = ptq->pt->machine;
+
+	ptq->pid = sample->pid;
+	ptq->tid = sample->tid;
+	ptq->cpu = queue->cpu;
+
+	intel_pt_log("queue %u cpu %d pid %d tid %d\n",
+		     ptq->queue_nr, ptq->cpu, ptq->pid, ptq->tid);
+
+	thread__zput(ptq->thread);
+
+	if (ptq->tid == -1)
+		return;
+
+	if (ptq->pid == -1) {
+		ptq->thread = machine__find_thread(m, -1, ptq->tid);
+		if (ptq->thread)
+			ptq->pid = ptq->thread->pid_;
+		return;
+	}
+
+	ptq->thread = machine__findnew_thread(m, ptq->pid, ptq->tid);
+}
+
+static int intel_pt_process_timeless_sample(struct intel_pt *pt,
+					    struct perf_sample *sample)
+{
+	struct auxtrace_queue *queue;
+	struct intel_pt_queue *ptq;
+	u64 ts = 0;
+
+	queue = auxtrace_queues__sample_queue(&pt->queues, sample, pt->session);
+	if (!queue)
+		return -EINVAL;
+
+	ptq = queue->priv;
+	if (!ptq)
+		return 0;
+
+	ptq->stop = false;
+	ptq->time = sample->time;
+	intel_pt_sample_set_pid_tid_cpu(ptq, queue, sample);
+	intel_pt_run_decoder(ptq, &ts);
+	return 0;
+}
+
 static int intel_pt_lost(struct intel_pt *pt, struct perf_sample *sample)
 {
 	return intel_pt_synth_error(pt, INTEL_PT_ERR_LOST, sample->cpu,
@@ -2550,7 +2622,11 @@ static int intel_pt_process_event(struct perf_session *session,
 	}
 
 	if (pt->timeless_decoding) {
-		if (event->header.type == PERF_RECORD_EXIT) {
+		if (pt->sampling_mode) {
+			if (sample->aux_sample.size)
+				err = intel_pt_process_timeless_sample(pt,
+								       sample);
+		} else if (event->header.type == PERF_RECORD_EXIT) {
 			err = intel_pt_process_timeless_queues(pt,
 							       event->fork.tid,
 							       sample->time);
@@ -2676,6 +2752,28 @@ static int intel_pt_process_auxtrace_event(struct perf_session *session,
 	return 0;
 }
 
+static int intel_pt_queue_data(struct perf_session *session,
+			       struct perf_sample *sample,
+			       union perf_event *event, u64 data_offset)
+{
+	struct intel_pt *pt = container_of(session->auxtrace, struct intel_pt,
+					   auxtrace);
+	u64 timestamp;
+
+	if (event) {
+		return auxtrace_queues__add_event(&pt->queues, session, event,
+						  data_offset, NULL);
+	}
+
+	if (sample->time && sample->time != (u64)-1)
+		timestamp = perf_time_to_tsc(sample->time, &pt->tc);
+	else
+		timestamp = 0;
+
+	return auxtrace_queues__add_sample(&pt->queues, session, sample,
+					   data_offset, timestamp);
+}
+
 struct intel_pt_synth {
 	struct perf_tool dummy_tool;
 	struct perf_session *session;
@@ -3178,7 +3276,7 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
 	if (pt->timeless_decoding && !pt->tc.time_mult)
 		pt->tc.time_mult = 1;
 	pt->have_tsc = intel_pt_have_tsc(pt);
-	pt->sampling_mode = false;
+	pt->sampling_mode = intel_pt_sampling_mode(pt);
 	pt->est_tsc = !pt->timeless_decoding;
 
 	pt->unknown_thread = thread__new(999999999, 999999999);
@@ -3198,13 +3296,15 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
 	err = thread__set_comm(pt->unknown_thread, "unknown", 0);
 	if (err)
 		goto err_delete_thread;
-	if (thread__init_map_groups(pt->unknown_thread, pt->machine)) {
+	if (thread__init_maps(pt->unknown_thread, pt->machine)) {
 		err = -ENOMEM;
 		goto err_delete_thread;
 	}
 
 	pt->auxtrace.process_event = intel_pt_process_event;
 	pt->auxtrace.process_auxtrace_event = intel_pt_process_auxtrace_event;
+	pt->auxtrace.queue_data = intel_pt_queue_data;
+	pt->auxtrace.dump_auxtrace_sample = intel_pt_dump_sample;
 	pt->auxtrace.flush_events = intel_pt_flush;
 	pt->auxtrace.free_events = intel_pt_free_events;
 	pt->auxtrace.free = intel_pt_free;
@@ -3282,7 +3382,10 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
 
 	intel_pt_setup_pebs_events(pt);
 
-	err = auxtrace_queues__process_index(&pt->queues, session);
+	if (pt->sampling_mode || list_empty(&session->auxtrace_index))
+		err = auxtrace_queue_data(session, true, true);
+	else
+		err = auxtrace_queues__process_index(&pt->queues, session);
 	if (err)
 		goto err_delete_thread;