24 static void  __event_init_opts(struct event *e, u64 config,  in __event_init_opts()  argument
27 	memset(e, 0, sizeof(*e));  in __event_init_opts()
29 	e->name = name;  in __event_init_opts()
31 	e->attr.type = type;  in __event_init_opts()
32 	e->attr.config = config;  in __event_init_opts()
33 	e->attr.size = sizeof(e->attr);  in __event_init_opts()
35 	e->attr.read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | \  in __event_init_opts()
38 		e->attr.sample_period = 1000;  in __event_init_opts()
39 		e->attr.sample_type = PERF_SAMPLE_REGS_INTR;  in __event_init_opts()
40 		e->attr.disabled = 1;  in __event_init_opts()
44 void event_init_opts(struct event *e, u64 config, int type, char *name)  in event_init_opts()  argument
46 	__event_init_opts(e, config, type, name, false);  in event_init_opts()
49 void event_init_named(struct event *e, u64 config, char *name)  in event_init_named()  argument
51 	event_init_opts(e, config, PERF_TYPE_RAW, name);  in event_init_named()
54 void event_init(struct event *e, u64 config)  in event_init()  argument
56 	event_init_opts(e, config, PERF_TYPE_RAW, "event");  in event_init()
59 void event_init_sampling(struct event *e, u64 config)  in event_init_sampling()  argument
61 	__event_init_opts(e, config, PERF_TYPE_RAW, "event", true);  in event_init_sampling()
69 int event_open_with_options(struct event *e, pid_t pid, int cpu, int group_fd)  in event_open_with_options()  argument
71 	e->fd = perf_event_open(&e->attr, pid, cpu, group_fd, 0);  in event_open_with_options()
72 	if (e->fd == -1) {  in event_open_with_options()
80 int event_open_with_group(struct event *e, int group_fd)  in event_open_with_group()  argument
82 	return event_open_with_options(e, PERF_CURRENT_PID, PERF_NO_CPU, group_fd);  in event_open_with_group()
85 int event_open_with_pid(struct event *e, pid_t pid)  in event_open_with_pid()  argument
87 	return event_open_with_options(e, pid, PERF_NO_CPU, PERF_NO_GROUP);  in event_open_with_pid()
90 int event_open_with_cpu(struct event *e, int cpu)  in event_open_with_cpu()  argument
92 	return event_open_with_options(e, PERF_NO_PID, cpu, PERF_NO_GROUP);  in event_open_with_cpu()
95 int event_open(struct event *e)  in event_open()  argument
97 	return event_open_with_options(e, PERF_CURRENT_PID, PERF_NO_CPU, PERF_NO_GROUP);  in event_open()
100 void event_close(struct event *e)  in event_close()  argument
102 	close(e->fd);  in event_close()
105 int event_enable(struct event *e)  in event_enable()  argument
107 	return ioctl(e->fd, PERF_EVENT_IOC_ENABLE);  in event_enable()
110 int event_disable(struct event *e)  in event_disable()  argument
112 	return ioctl(e->fd, PERF_EVENT_IOC_DISABLE);  in event_disable()
115 int event_reset(struct event *e)  in event_reset()  argument
117 	return ioctl(e->fd, PERF_EVENT_IOC_RESET);  in event_reset()
120 int event_read(struct event *e)  in event_read()  argument
124 	rc = read(e->fd, &e->result, sizeof(e->result));  in event_read()
125 	if (rc != sizeof(e->result)) {  in event_read()
126 		fprintf(stderr, "read error on event %p!\n", e);  in event_read()
133 void event_report_justified(struct event *e, int name_width, int result_width)  in event_report_justified()  argument
135 	printf("%*s: result %*llu ", name_width, e->name, result_width,  in event_report_justified()
136 	       e->result.value);  in event_report_justified()
138 	if (e->result.running == e->result.enabled)  in event_report_justified()
139 		printf("running/enabled %llu\n", e->result.running);  in event_report_justified()
141 		printf("running %llu enabled %llu\n", e->result.running,  in event_report_justified()
142 			e->result.enabled);  in event_report_justified()
145 void event_report(struct event *e)  in event_report()  argument
147 	event_report_justified(e, 0, 0);  in event_report()