Exemplos de perf_session__add_hist_entry em C++ (Cpp)

Exemplo n.º 1

static int process_sample_event(union perf_event *event,
				struct perf_sample *sample,
				struct perf_evsel *evsel,
				struct perf_session *session)
{
	struct addr_location al;

	if (perf_event__preprocess_sample(event, session, &al, sample,
					  annotate_init) < 0) {
		fprintf(stderr, "problem processing %d event, skipping it.\n",
			event->header.type);
		return -1;
	}

	if (al.filtered || (hide_unresolved && al.sym == NULL))
		return 0;

	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
		return 0;

	if (al.map != NULL)
		al.map->dso->hit = 1;

	if (perf_session__add_hist_entry(session, &al, sample, evsel)) {
		pr_debug("problem incrementing symbol period, skipping event\n");
		return -1;
	}

	return 0;
}

Exemplo n.º 2

Arquivo: builtin-annotate.c Projeto: Scorpiion/Renux_cross_eglibc

static int process_sample_event(event_t *event, struct perf_session *session)
{
	struct addr_location al;

	dump_printf("(IP, %d): %d: %p\n", event->header.misc,
		    event->ip.pid, (void *)(long)event->ip.ip);

	if (event__preprocess_sample(event, session, &al, NULL) < 0) {
		fprintf(stderr, "problem processing %d event, skipping it.\n",
			event->header.type);
		return -1;
	}

	if (!al.filtered && perf_session__add_hist_entry(session, &al, 1)) {
		fprintf(stderr, "problem incrementing symbol count, "
				"skipping event\n");
		return -1;
	}

	return 0;
}

Exemplo n.º 3

static int diff__process_sample_event(event_t *event, struct perf_session *session)
{
	struct addr_location al;
	struct sample_data data = { .period = 1, };

	dump_printf("(IP, %d): %d: %p\n", event->header.misc,
		    event->ip.pid, (void *)(long)event->ip.ip);

	if (event__preprocess_sample(event, session, &al, NULL) < 0) {
		pr_warning("problem processing %d event, skipping it.\n",
			   event->header.type);
		return -1;
	}

	if (al.filtered)
		return 0;

	event__parse_sample(event, session->sample_type, &data);

	if (al.sym && perf_session__add_hist_entry(session, &al, data.period)) {
		pr_warning("problem incrementing symbol count, skipping event\n");
		return -1;
	}

	session->events_stats.total += data.period;
	return 0;
}

static struct perf_event_ops event_ops = {
	.process_sample_event = diff__process_sample_event,
	.process_mmap_event   = event__process_mmap,
	.process_comm_event   = event__process_comm,
	.process_exit_event   = event__process_task,
	.process_fork_event   = event__process_task,
	.process_lost_event   = event__process_lost,
};

static void perf_session__insert_hist_entry_by_name(struct rb_root *root,
						    struct hist_entry *he)
{
	struct rb_node **p = &root->rb_node;
	struct rb_node *parent = NULL;
	struct hist_entry *iter;

	while (*p != NULL) {
		int cmp;
		parent = *p;
		iter = rb_entry(parent, struct hist_entry, rb_node);

		cmp = strcmp(he->map->dso->name, iter->map->dso->name);
		if (cmp > 0)
			p = &(*p)->rb_left;
		else if (cmp < 0)
			p = &(*p)->rb_right;
		else {
			cmp = strcmp(he->sym->name, iter->sym->name);
			if (cmp > 0)
				p = &(*p)->rb_left;
			else
				p = &(*p)->rb_right;
		}
	}

	rb_link_node(&he->rb_node, parent, p);
	rb_insert_color(&he->rb_node, root);
}

static void perf_session__resort_by_name(struct perf_session *self)
{
	unsigned long position = 1;
	struct rb_root tmp = RB_ROOT;
	struct rb_node *next = rb_first(&self->hists);

	while (next != NULL) {
		struct hist_entry *n = rb_entry(next, struct hist_entry, rb_node);

		next = rb_next(&n->rb_node);
		rb_erase(&n->rb_node, &self->hists);
		n->position = position++;
		perf_session__insert_hist_entry_by_name(&tmp, n);
	}

	self->hists = tmp;
}