63 struct switch_tracking {  struct
74 static int check_comm(struct switch_tracking *switch_tracking,  in check_comm()  argument
81 		if (switch_tracking->comm_seen[nr]) {  in check_comm()
85 		switch_tracking->comm_seen[nr] = 1;  in check_comm()
92 static int check_cpu(struct switch_tracking *switch_tracking, int cpu)  in check_cpu()  argument
99 	if (!switch_tracking->tids) {  in check_cpu()
100 		switch_tracking->tids = calloc(nr, sizeof(pid_t));  in check_cpu()
101 		if (!switch_tracking->tids)  in check_cpu()
104 			switch_tracking->tids[i] = -1;  in check_cpu()
105 		switch_tracking->nr_tids = nr;  in check_cpu()
109 	if (cpu >= switch_tracking->nr_tids) {  in check_cpu()
112 		addr = realloc(switch_tracking->tids, nr * sizeof(pid_t));  in check_cpu()
115 		switch_tracking->tids = addr;  in check_cpu()
116 		for (i = switch_tracking->nr_tids; i < nr; i++)  in check_cpu()
117 			switch_tracking->tids[i] = -1;  in check_cpu()
118 		switch_tracking->nr_tids = nr;  in check_cpu()
127 				struct switch_tracking *switch_tracking)  in process_sample_event()  argument
140 	if (evsel == switch_tracking->switch_evsel) {  in process_sample_event()
146 		err = check_cpu(switch_tracking, cpu);  in process_sample_event()
153 		if (switch_tracking->tids[cpu] != -1 &&  in process_sample_event()
154 		    switch_tracking->tids[cpu] != prev_tid) {  in process_sample_event()
158 		switch_tracking->tids[cpu] = next_tid;  in process_sample_event()
161 	if (evsel == switch_tracking->cycles_evsel) {  in process_sample_event()
163 		if (!switch_tracking->comm_seen[0])  in process_sample_event()
164 			switch_tracking->cycles_before_comm_1 = 1;  in process_sample_event()
165 		if (switch_tracking->comm_seen[1] &&  in process_sample_event()
166 		    !switch_tracking->comm_seen[2])  in process_sample_event()
167 			switch_tracking->cycles_between_comm_2_and_comm_3 = 1;  in process_sample_event()
168 		if (switch_tracking->comm_seen[3])  in process_sample_event()
169 			switch_tracking->cycles_after_comm_4 = 1;  in process_sample_event()
176 			 struct switch_tracking *switch_tracking)  in process_event()  argument
179 		return process_sample_event(evlist, event, switch_tracking);  in process_event()
184 		err = check_comm(switch_tracking, event, "Test COMM 1", 0);  in process_event()
188 		err = check_comm(switch_tracking, event, "Test COMM 2", 1);  in process_event()
192 		err = check_comm(switch_tracking, event, "Test COMM 3", 2);  in process_event()
196 		err = check_comm(switch_tracking, event, "Test COMM 4", 3);  in process_event()
265 			  struct switch_tracking *switch_tracking)  in process_events()  argument
304 				    switch_tracking);  in process_events()
330 	struct switch_tracking switch_tracking = { .tids = NULL, };  in test__switch_tracking()  local
537 	switch_tracking.switch_evsel = switch_evsel;  in test__switch_tracking()
538 	switch_tracking.cycles_evsel = cycles_evsel;  in test__switch_tracking()
540 	err = process_events(evlist, &switch_tracking);  in test__switch_tracking()
542 	zfree(&switch_tracking.tids);  in test__switch_tracking()
548 	if (!switch_tracking.comm_seen[0] || !switch_tracking.comm_seen[1] ||  in test__switch_tracking()
549 	    !switch_tracking.comm_seen[2] || !switch_tracking.comm_seen[3]) {  in test__switch_tracking()
555 	if (!switch_tracking.cycles_before_comm_1) {  in test__switch_tracking()
561 	if (switch_tracking.cycles_between_comm_2_and_comm_3) {  in test__switch_tracking()
567 	if (!switch_tracking.cycles_after_comm_4) {  in test__switch_tracking()
586 DEFINE_SUITE("Track with sched_switch", switch_tracking);