202 static void intel_pt_use_buffer_pid_tid(struct intel_pt_queue *ptq,  in intel_pt_use_buffer_pid_tid()  argument
207 		ptq->cpu = buffer->cpu;  in intel_pt_use_buffer_pid_tid()
209 	ptq->pid = buffer->pid;  in intel_pt_use_buffer_pid_tid()
210 	ptq->tid = buffer->tid;  in intel_pt_use_buffer_pid_tid()
213 		     ptq->queue_nr, ptq->cpu, ptq->pid, ptq->tid);  in intel_pt_use_buffer_pid_tid()
215 	thread__zput(ptq->thread);  in intel_pt_use_buffer_pid_tid()
217 	if (ptq->tid != -1) {  in intel_pt_use_buffer_pid_tid()
218 		if (ptq->pid != -1)  in intel_pt_use_buffer_pid_tid()
219 			ptq->thread = machine__findnew_thread(ptq->pt->machine,  in intel_pt_use_buffer_pid_tid()
220 							      ptq->pid,  in intel_pt_use_buffer_pid_tid()
221 							      ptq->tid);  in intel_pt_use_buffer_pid_tid()
223 			ptq->thread = machine__find_thread(ptq->pt->machine, -1,  in intel_pt_use_buffer_pid_tid()
224 							   ptq->tid);  in intel_pt_use_buffer_pid_tid()
231 	struct intel_pt_queue *ptq = data;  in intel_pt_get_trace()  local
232 	struct auxtrace_buffer *buffer = ptq->buffer, *old_buffer = buffer;  in intel_pt_get_trace()
235 	if (ptq->stop) {  in intel_pt_get_trace()
240 	queue = &ptq->pt->queues.queue_array[ptq->queue_nr];  in intel_pt_get_trace()
250 	ptq->buffer = buffer;  in intel_pt_get_trace()
253 		int fd = perf_data_file__fd(ptq->pt->session->file);  in intel_pt_get_trace()
260 	if (ptq->pt->snapshot_mode && !buffer->consecutive && old_buffer &&  in intel_pt_get_trace()
261 	    intel_pt_do_fix_overlap(ptq->pt, old_buffer, buffer))  in intel_pt_get_trace()
276 	if (!old_buffer || ptq->pt->sampling_mode || (ptq->pt->snapshot_mode &&  in intel_pt_get_trace()
284 	if (ptq->use_buffer_pid_tid && (ptq->pid != buffer->pid ||  in intel_pt_get_trace()
285 					ptq->tid != buffer->tid))  in intel_pt_get_trace()
286 		intel_pt_use_buffer_pid_tid(ptq, queue, buffer);  in intel_pt_get_trace()
288 	if (ptq->step_through_buffers)  in intel_pt_get_trace()
289 		ptq->stop = true;  in intel_pt_get_trace()
414 	struct intel_pt_queue *ptq = data;  in intel_pt_walk_next_insn()  local
415 	struct machine *machine = ptq->pt->machine;  in intel_pt_walk_next_insn()
432 	if (*ip >= ptq->pt->kernel_start)  in intel_pt_walk_next_insn()
437 	thread = ptq->thread;  in intel_pt_walk_next_insn()
441 		thread = ptq->pt->unknown_thread;  in intel_pt_walk_next_insn()
668 	struct intel_pt_queue *ptq;  in intel_pt_alloc_queue()  local
670 	ptq = zalloc(sizeof(struct intel_pt_queue));  in intel_pt_alloc_queue()
671 	if (!ptq)  in intel_pt_alloc_queue()
678 		ptq->chain = zalloc(sz);  in intel_pt_alloc_queue()
679 		if (!ptq->chain)  in intel_pt_alloc_queue()
688 		ptq->last_branch = zalloc(sz);  in intel_pt_alloc_queue()
689 		if (!ptq->last_branch)  in intel_pt_alloc_queue()
691 		ptq->last_branch_rb = zalloc(sz);  in intel_pt_alloc_queue()
692 		if (!ptq->last_branch_rb)  in intel_pt_alloc_queue()
696 	ptq->event_buf = malloc(PERF_SAMPLE_MAX_SIZE);  in intel_pt_alloc_queue()
697 	if (!ptq->event_buf)  in intel_pt_alloc_queue()
700 	ptq->pt = pt;  in intel_pt_alloc_queue()
701 	ptq->queue_nr = queue_nr;  in intel_pt_alloc_queue()
702 	ptq->exclude_kernel = intel_pt_exclude_kernel(pt);  in intel_pt_alloc_queue()
703 	ptq->pid = -1;  in intel_pt_alloc_queue()
704 	ptq->tid = -1;  in intel_pt_alloc_queue()
705 	ptq->cpu = -1;  in intel_pt_alloc_queue()
706 	ptq->next_tid = -1;  in intel_pt_alloc_queue()
710 	params.data = ptq;  in intel_pt_alloc_queue()
745 	ptq->decoder = intel_pt_decoder_new(&params);  in intel_pt_alloc_queue()
746 	if (!ptq->decoder)  in intel_pt_alloc_queue()
749 	return ptq;  in intel_pt_alloc_queue()
752 	zfree(&ptq->event_buf);  in intel_pt_alloc_queue()
753 	zfree(&ptq->last_branch);  in intel_pt_alloc_queue()
754 	zfree(&ptq->last_branch_rb);  in intel_pt_alloc_queue()
755 	zfree(&ptq->chain);  in intel_pt_alloc_queue()
756 	free(ptq);  in intel_pt_alloc_queue()
762 	struct intel_pt_queue *ptq = priv;  in intel_pt_free_queue()  local
764 	if (!ptq)  in intel_pt_free_queue()
766 	thread__zput(ptq->thread);  in intel_pt_free_queue()
767 	intel_pt_decoder_free(ptq->decoder);  in intel_pt_free_queue()
768 	zfree(&ptq->event_buf);  in intel_pt_free_queue()
769 	zfree(&ptq->last_branch);  in intel_pt_free_queue()
770 	zfree(&ptq->last_branch_rb);  in intel_pt_free_queue()
771 	zfree(&ptq->chain);  in intel_pt_free_queue()
772 	free(ptq);  in intel_pt_free_queue()
778 	struct intel_pt_queue *ptq = queue->priv;  in intel_pt_set_pid_tid_cpu()  local
781 		ptq->tid = machine__get_current_tid(pt->machine, ptq->cpu);  in intel_pt_set_pid_tid_cpu()
782 		thread__zput(ptq->thread);  in intel_pt_set_pid_tid_cpu()
785 	if (!ptq->thread && ptq->tid != -1)  in intel_pt_set_pid_tid_cpu()
786 		ptq->thread = machine__find_thread(pt->machine, -1, ptq->tid);  in intel_pt_set_pid_tid_cpu()
788 	if (ptq->thread) {  in intel_pt_set_pid_tid_cpu()
789 		ptq->pid = ptq->thread->pid_;  in intel_pt_set_pid_tid_cpu()
791 			ptq->cpu = ptq->thread->cpu;  in intel_pt_set_pid_tid_cpu()
795 static void intel_pt_sample_flags(struct intel_pt_queue *ptq)  in intel_pt_sample_flags()  argument
797 	if (ptq->state->flags & INTEL_PT_ABORT_TX) {  in intel_pt_sample_flags()
798 		ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT;  in intel_pt_sample_flags()
799 	} else if (ptq->state->flags & INTEL_PT_ASYNC) {  in intel_pt_sample_flags()
800 		if (ptq->state->to_ip)  in intel_pt_sample_flags()
801 			ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL |  in intel_pt_sample_flags()
805 			ptq->flags = PERF_IP_FLAG_BRANCH |  in intel_pt_sample_flags()
807 		ptq->insn_len = 0;  in intel_pt_sample_flags()
809 		if (ptq->state->from_ip)  in intel_pt_sample_flags()
810 			ptq->flags = intel_pt_insn_type(ptq->state->insn_op);  in intel_pt_sample_flags()
812 			ptq->flags = PERF_IP_FLAG_BRANCH |  in intel_pt_sample_flags()
814 		if (ptq->state->flags & INTEL_PT_IN_TX)  in intel_pt_sample_flags()
815 			ptq->flags |= PERF_IP_FLAG_IN_TX;  in intel_pt_sample_flags()
816 		ptq->insn_len = ptq->state->insn_len;  in intel_pt_sample_flags()
824 	struct intel_pt_queue *ptq = queue->priv;  in intel_pt_setup_queue()  local
829 	if (!ptq) {  in intel_pt_setup_queue()
830 		ptq = intel_pt_alloc_queue(pt, queue_nr);  in intel_pt_setup_queue()
831 		if (!ptq)  in intel_pt_setup_queue()
833 		queue->priv = ptq;  in intel_pt_setup_queue()
836 			ptq->cpu = queue->cpu;  in intel_pt_setup_queue()
837 		ptq->tid = queue->tid;  in intel_pt_setup_queue()
841 				ptq->step_through_buffers = true;  in intel_pt_setup_queue()
843 				ptq->use_buffer_pid_tid = true;  in intel_pt_setup_queue()
847 	if (!ptq->on_heap &&  in intel_pt_setup_queue()
849 	     ptq->switch_state != INTEL_PT_SS_EXPECTING_SWITCH_EVENT)) {  in intel_pt_setup_queue()
858 			     queue_nr, ptq->cpu, ptq->pid, ptq->tid);  in intel_pt_setup_queue()
860 			state = intel_pt_decode(ptq->decoder);  in intel_pt_setup_queue()
873 		ptq->timestamp = state->timestamp;  in intel_pt_setup_queue()
875 			     queue_nr, ptq->timestamp);  in intel_pt_setup_queue()
876 		ptq->state = state;  in intel_pt_setup_queue()
877 		ptq->have_sample = true;  in intel_pt_setup_queue()
878 		intel_pt_sample_flags(ptq);  in intel_pt_setup_queue()
879 		ret = auxtrace_heap__add(&pt->heap, queue_nr, ptq->timestamp);  in intel_pt_setup_queue()
882 		ptq->on_heap = true;  in intel_pt_setup_queue()
901 static inline void intel_pt_copy_last_branch_rb(struct intel_pt_queue *ptq)  in intel_pt_copy_last_branch_rb()  argument
903 	struct branch_stack *bs_src = ptq->last_branch_rb;  in intel_pt_copy_last_branch_rb()
904 	struct branch_stack *bs_dst = ptq->last_branch;  in intel_pt_copy_last_branch_rb()
912 	nr = ptq->pt->synth_opts.last_branch_sz - ptq->last_branch_pos;  in intel_pt_copy_last_branch_rb()
914 	       &bs_src->entries[ptq->last_branch_pos],  in intel_pt_copy_last_branch_rb()
917 	if (bs_src->nr >= ptq->pt->synth_opts.last_branch_sz) {  in intel_pt_copy_last_branch_rb()
920 		       sizeof(struct branch_entry) * ptq->last_branch_pos);  in intel_pt_copy_last_branch_rb()
924 static inline void intel_pt_reset_last_branch_rb(struct intel_pt_queue *ptq)  in intel_pt_reset_last_branch_rb()  argument
926 	ptq->last_branch_pos = 0;  in intel_pt_reset_last_branch_rb()
927 	ptq->last_branch_rb->nr = 0;  in intel_pt_reset_last_branch_rb()
930 static void intel_pt_update_last_branch_rb(struct intel_pt_queue *ptq)  in intel_pt_update_last_branch_rb()  argument
932 	const struct intel_pt_state *state = ptq->state;  in intel_pt_update_last_branch_rb()
933 	struct branch_stack *bs = ptq->last_branch_rb;  in intel_pt_update_last_branch_rb()
936 	if (!ptq->last_branch_pos)  in intel_pt_update_last_branch_rb()
937 		ptq->last_branch_pos = ptq->pt->synth_opts.last_branch_sz;  in intel_pt_update_last_branch_rb()
939 	ptq->last_branch_pos -= 1;  in intel_pt_update_last_branch_rb()
941 	be              = &bs->entries[ptq->last_branch_pos];  in intel_pt_update_last_branch_rb()
947 	be->flags.mispred = ptq->pt->mispred_all;  in intel_pt_update_last_branch_rb()
949 	if (bs->nr < ptq->pt->synth_opts.last_branch_sz)  in intel_pt_update_last_branch_rb()
961 static int intel_pt_synth_branch_sample(struct intel_pt_queue *ptq)  in intel_pt_synth_branch_sample()  argument
964 	struct intel_pt *pt = ptq->pt;  in intel_pt_synth_branch_sample()
965 	union perf_event *event = ptq->event_buf;  in intel_pt_synth_branch_sample()
972 	if (pt->branches_filter && !(pt->branches_filter & ptq->flags))  in intel_pt_synth_branch_sample()
980 		sample.time = tsc_to_perf_time(ptq->timestamp, &pt->tc);  in intel_pt_synth_branch_sample()
982 	sample.ip = ptq->state->from_ip;  in intel_pt_synth_branch_sample()
983 	sample.pid = ptq->pid;  in intel_pt_synth_branch_sample()
984 	sample.tid = ptq->tid;  in intel_pt_synth_branch_sample()
985 	sample.addr = ptq->state->to_ip;  in intel_pt_synth_branch_sample()
986 	sample.id = ptq->pt->branches_id;  in intel_pt_synth_branch_sample()
987 	sample.stream_id = ptq->pt->branches_id;  in intel_pt_synth_branch_sample()
989 	sample.cpu = ptq->cpu;  in intel_pt_synth_branch_sample()
990 	sample.flags = ptq->flags;  in intel_pt_synth_branch_sample()
991 	sample.insn_len = ptq->insn_len;  in intel_pt_synth_branch_sample()
1024 static int intel_pt_synth_instruction_sample(struct intel_pt_queue *ptq)  in intel_pt_synth_instruction_sample()  argument
1027 	struct intel_pt *pt = ptq->pt;  in intel_pt_synth_instruction_sample()
1028 	union perf_event *event = ptq->event_buf;  in intel_pt_synth_instruction_sample()
1036 		sample.time = tsc_to_perf_time(ptq->timestamp, &pt->tc);  in intel_pt_synth_instruction_sample()
1038 	sample.ip = ptq->state->from_ip;  in intel_pt_synth_instruction_sample()
1039 	sample.pid = ptq->pid;  in intel_pt_synth_instruction_sample()
1040 	sample.tid = ptq->tid;  in intel_pt_synth_instruction_sample()
1041 	sample.addr = ptq->state->to_ip;  in intel_pt_synth_instruction_sample()
1042 	sample.id = ptq->pt->instructions_id;  in intel_pt_synth_instruction_sample()
1043 	sample.stream_id = ptq->pt->instructions_id;  in intel_pt_synth_instruction_sample()
1044 	sample.period = ptq->state->tot_insn_cnt - ptq->last_insn_cnt;  in intel_pt_synth_instruction_sample()
1045 	sample.cpu = ptq->cpu;  in intel_pt_synth_instruction_sample()
1046 	sample.flags = ptq->flags;  in intel_pt_synth_instruction_sample()
1047 	sample.insn_len = ptq->insn_len;  in intel_pt_synth_instruction_sample()
1049 	ptq->last_insn_cnt = ptq->state->tot_insn_cnt;  in intel_pt_synth_instruction_sample()
1052 		thread_stack__sample(ptq->thread, ptq->chain,  in intel_pt_synth_instruction_sample()
1054 		sample.callchain = ptq->chain;  in intel_pt_synth_instruction_sample()
1058 		intel_pt_copy_last_branch_rb(ptq);  in intel_pt_synth_instruction_sample()
1059 		sample.branch_stack = ptq->last_branch;  in intel_pt_synth_instruction_sample()
1076 		intel_pt_reset_last_branch_rb(ptq);  in intel_pt_synth_instruction_sample()
1081 static int intel_pt_synth_transaction_sample(struct intel_pt_queue *ptq)  in intel_pt_synth_transaction_sample()  argument
1084 	struct intel_pt *pt = ptq->pt;  in intel_pt_synth_transaction_sample()
1085 	union perf_event *event = ptq->event_buf;  in intel_pt_synth_transaction_sample()
1093 		sample.time = tsc_to_perf_time(ptq->timestamp, &pt->tc);  in intel_pt_synth_transaction_sample()
1095 	sample.ip = ptq->state->from_ip;  in intel_pt_synth_transaction_sample()
1096 	sample.pid = ptq->pid;  in intel_pt_synth_transaction_sample()
1097 	sample.tid = ptq->tid;  in intel_pt_synth_transaction_sample()
1098 	sample.addr = ptq->state->to_ip;  in intel_pt_synth_transaction_sample()
1099 	sample.id = ptq->pt->transactions_id;  in intel_pt_synth_transaction_sample()
1100 	sample.stream_id = ptq->pt->transactions_id;  in intel_pt_synth_transaction_sample()
1102 	sample.cpu = ptq->cpu;  in intel_pt_synth_transaction_sample()
1103 	sample.flags = ptq->flags;  in intel_pt_synth_transaction_sample()
1104 	sample.insn_len = ptq->insn_len;  in intel_pt_synth_transaction_sample()
1107 		thread_stack__sample(ptq->thread, ptq->chain,  in intel_pt_synth_transaction_sample()
1109 		sample.callchain = ptq->chain;  in intel_pt_synth_transaction_sample()
1113 		intel_pt_copy_last_branch_rb(ptq);  in intel_pt_synth_transaction_sample()
1114 		sample.branch_stack = ptq->last_branch;  in intel_pt_synth_transaction_sample()
1131 		intel_pt_reset_last_branch_rb(ptq);  in intel_pt_synth_transaction_sample()
1156 static int intel_pt_next_tid(struct intel_pt *pt, struct intel_pt_queue *ptq)  in intel_pt_next_tid()  argument
1159 	pid_t tid = ptq->next_tid;  in intel_pt_next_tid()
1165 	intel_pt_log("switch: cpu %d tid %d\n", ptq->cpu, tid);  in intel_pt_next_tid()
1167 	err = machine__set_current_tid(pt->machine, ptq->cpu, -1, tid);  in intel_pt_next_tid()
1169 	queue = &pt->queues.queue_array[ptq->queue_nr];  in intel_pt_next_tid()
1172 	ptq->next_tid = -1;  in intel_pt_next_tid()
1177 static inline bool intel_pt_is_switch_ip(struct intel_pt_queue *ptq, u64 ip)  in intel_pt_is_switch_ip()  argument
1179 	struct intel_pt *pt = ptq->pt;  in intel_pt_is_switch_ip()
1182 	       (ptq->flags & PERF_IP_FLAG_BRANCH) &&  in intel_pt_is_switch_ip()
1183 	       !(ptq->flags & (PERF_IP_FLAG_CONDITIONAL | PERF_IP_FLAG_ASYNC |  in intel_pt_is_switch_ip()
1187 static int intel_pt_sample(struct intel_pt_queue *ptq)  in intel_pt_sample()  argument
1189 	const struct intel_pt_state *state = ptq->state;  in intel_pt_sample()
1190 	struct intel_pt *pt = ptq->pt;  in intel_pt_sample()
1193 	if (!ptq->have_sample)  in intel_pt_sample()
1196 	ptq->have_sample = false;  in intel_pt_sample()
1200 		err = intel_pt_synth_instruction_sample(ptq);  in intel_pt_sample()
1207 		err = intel_pt_synth_transaction_sample(ptq);  in intel_pt_sample()
1216 		thread_stack__event(ptq->thread, ptq->flags, state->from_ip,  in intel_pt_sample()
1217 				    state->to_ip, ptq->insn_len,  in intel_pt_sample()
1220 		thread_stack__set_trace_nr(ptq->thread, state->trace_nr);  in intel_pt_sample()
1223 		err = intel_pt_synth_branch_sample(ptq);  in intel_pt_sample()
1229 		intel_pt_update_last_branch_rb(ptq);  in intel_pt_sample()
1234 	if (intel_pt_is_switch_ip(ptq, state->to_ip)) {  in intel_pt_sample()
1235 		switch (ptq->switch_state) {  in intel_pt_sample()
1238 			err = intel_pt_next_tid(pt, ptq);  in intel_pt_sample()
1241 			ptq->switch_state = INTEL_PT_SS_TRACING;  in intel_pt_sample()
1244 			ptq->switch_state = INTEL_PT_SS_EXPECTING_SWITCH_EVENT;  in intel_pt_sample()
1248 		ptq->switch_state = INTEL_PT_SS_NOT_TRACING;  in intel_pt_sample()
1249 	} else if (ptq->switch_state == INTEL_PT_SS_NOT_TRACING) {  in intel_pt_sample()
1250 		ptq->switch_state = INTEL_PT_SS_UNKNOWN;  in intel_pt_sample()
1251 	} else if (ptq->switch_state == INTEL_PT_SS_UNKNOWN &&  in intel_pt_sample()
1253 		   (ptq->flags & PERF_IP_FLAG_CALL)) {  in intel_pt_sample()
1254 		ptq->switch_state = INTEL_PT_SS_TRACING;  in intel_pt_sample()
1312 static int intel_pt_run_decoder(struct intel_pt_queue *ptq, u64 *timestamp)  in intel_pt_run_decoder()  argument
1314 	const struct intel_pt_state *state = ptq->state;  in intel_pt_run_decoder()
1315 	struct intel_pt *pt = ptq->pt;  in intel_pt_run_decoder()
1334 		     ptq->queue_nr, ptq->cpu, ptq->pid, ptq->tid);  in intel_pt_run_decoder()
1336 		err = intel_pt_sample(ptq);  in intel_pt_run_decoder()
1340 		state = intel_pt_decode(ptq->decoder);  in intel_pt_run_decoder()
1347 				intel_pt_next_tid(pt, ptq);  in intel_pt_run_decoder()
1351 							   ptq->cpu, ptq->pid,  in intel_pt_run_decoder()
1352 							   ptq->tid,  in intel_pt_run_decoder()
1360 		ptq->state = state;  in intel_pt_run_decoder()
1361 		ptq->have_sample = true;  in intel_pt_run_decoder()
1362 		intel_pt_sample_flags(ptq);  in intel_pt_run_decoder()
1370 			ptq->timestamp = state->est_timestamp;  in intel_pt_run_decoder()
1373 			   ptq->switch_state == INTEL_PT_SS_UNKNOWN &&  in intel_pt_run_decoder()
1374 			   intel_pt_is_switch_ip(ptq, state->to_ip) &&  in intel_pt_run_decoder()
1375 			   ptq->next_tid == -1) {  in intel_pt_run_decoder()
1378 			ptq->timestamp = state->est_timestamp;  in intel_pt_run_decoder()
1379 		} else if (state->timestamp > ptq->timestamp) {  in intel_pt_run_decoder()
1380 			ptq->timestamp = state->timestamp;  in intel_pt_run_decoder()
1383 		if (!pt->timeless_decoding && ptq->timestamp >= *timestamp) {  in intel_pt_run_decoder()
1384 			*timestamp = ptq->timestamp;  in intel_pt_run_decoder()
1408 		struct intel_pt_queue *ptq;  in intel_pt_process_queues()  local
1418 		ptq = queue->priv;  in intel_pt_process_queues()
1436 		ret = intel_pt_run_decoder(ptq, &ts);  in intel_pt_process_queues()
1448 			ptq->on_heap = false;  in intel_pt_process_queues()
1464 		struct intel_pt_queue *ptq = queue->priv;  in intel_pt_process_timeless_queues()  local
1466 		if (ptq && (tid == -1 || ptq->tid == tid)) {  in intel_pt_process_timeless_queues()
1467 			ptq->time = time_;  in intel_pt_process_timeless_queues()
1469 			intel_pt_run_decoder(ptq, &ts);  in intel_pt_process_timeless_queues()
1512 	struct intel_pt_queue *ptq;  in intel_pt_sync_switch()  local
1518 	ptq = intel_pt_cpu_to_ptq(pt, cpu);  in intel_pt_sync_switch()
1519 	if (!ptq)  in intel_pt_sync_switch()
1522 	switch (ptq->switch_state) {  in intel_pt_sync_switch()
1524 		ptq->next_tid = -1;  in intel_pt_sync_switch()
1528 		ptq->next_tid = tid;  in intel_pt_sync_switch()
1529 		ptq->switch_state = INTEL_PT_SS_EXPECTING_SWITCH_IP;  in intel_pt_sync_switch()
1532 		if (!ptq->on_heap) {  in intel_pt_sync_switch()
1533 			ptq->timestamp = perf_time_to_tsc(timestamp,  in intel_pt_sync_switch()
1535 			err = auxtrace_heap__add(&pt->heap, ptq->queue_nr,  in intel_pt_sync_switch()
1536 						 ptq->timestamp);  in intel_pt_sync_switch()
1539 			ptq->on_heap = true;  in intel_pt_sync_switch()
1541 		ptq->switch_state = INTEL_PT_SS_TRACING;  in intel_pt_sync_switch()
1544 		ptq->next_tid = tid;  in intel_pt_sync_switch()