C++ (Cpp) tracepoint_id_to_path Examples

Example #1

File: trace-event-info.c Project: 12rafael/jellytimekernel

static struct tracepoint_path *
get_tracepoints_path(struct perf_event_attr *pattrs, int nb_events)
{
	struct tracepoint_path path, *ppath = &path;
	int i, nr_tracepoints = 0;

	for (i = 0; i < nb_events; i++) {
		if (pattrs[i].type != PERF_TYPE_TRACEPOINT)
			continue;
		++nr_tracepoints;
		ppath->next = tracepoint_id_to_path(pattrs[i].config);
		if (!ppath->next)
			die("%s\n", "No memory to alloc tracepoints list");
		ppath = ppath->next;
	}

	return nr_tracepoints > 0 ? path.next : NULL;
}

Example #2

File: trace-event-info.c Project: 454053205/linux

static struct tracepoint_path *
get_tracepoints_path(struct list_head *pattrs)
{
	struct tracepoint_path path, *ppath = &path;
	struct perf_evsel *pos;
	int nr_tracepoints = 0;

	list_for_each_entry(pos, pattrs, node) {
		if (pos->attr.type != PERF_TYPE_TRACEPOINT)
			continue;
		++nr_tracepoints;
		ppath->next = tracepoint_id_to_path(pos->attr.config);
		if (!ppath->next)
			die("%s\n", "No memory to alloc tracepoints list");
		ppath = ppath->next;
	}

	return nr_tracepoints > 0 ? path.next : NULL;
}

Example #3

File: trace-event-info.c Project: AshishNamdev/linux

static struct tracepoint_path *
get_tracepoints_path(struct list_head *pattrs)
{
	struct tracepoint_path path, *ppath = &path;
	struct perf_evsel *pos;
	int nr_tracepoints = 0;

	list_for_each_entry(pos, pattrs, node) {
		if (pos->attr.type != PERF_TYPE_TRACEPOINT)
			continue;
		++nr_tracepoints;

		if (pos->name) {
			ppath->next = tracepoint_name_to_path(pos->name);
			if (ppath->next)
				goto next;

			if (strchr(pos->name, ':') == NULL)
				goto try_id;

			goto error;
		}

try_id:
		ppath->next = tracepoint_id_to_path(pos->attr.config);
		if (!ppath->next) {
error:
			pr_debug("No memory to alloc tracepoints list\n");
			put_tracepoints_path(&path);
			return NULL;
		}
next:
		ppath = ppath->next;
	}

	return nr_tracepoints > 0 ? path.next : NULL;
}