~hc/RK356X_SDK_RELEASE.git

..	..	@@ -1912,10 +1912,38 @@
1912	1912	profile_perf_event_cnt = 0;
1913	1913	}
1914	1914
	1915	+static int profile_open_perf_event(int mid, int cpu, int map_fd)
	1916	+{
	1917	+ int pmu_fd;
	1918	+
	1919	+ pmu_fd = syscall(__NR_perf_event_open, &metrics[mid].attr,
	1920	+ -1 /pid/, cpu, -1 /group_fd/, 0);
	1921	+ if (pmu_fd < 0) {
	1922	+ if (errno == ENODEV) {
	1923	+ p_info("cpu %d may be offline, skip %s profiling.",
	1924	+ cpu, metrics[mid].name);
	1925	+ profile_perf_event_cnt++;
	1926	+ return 0;
	1927	+ }
	1928	+ return -1;
	1929	+ }
	1930	+
	1931	+ if (bpf_map_update_elem(map_fd,
	1932	+ &profile_perf_event_cnt,
	1933	+ &pmu_fd, BPF_ANY) \|\|
	1934	+ ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0)) {
	1935	+ close(pmu_fd);
	1936	+ return -1;
	1937	+ }
	1938	+
	1939	+ profile_perf_events[profile_perf_event_cnt++] = pmu_fd;
	1940	+ return 0;
	1941	+}
	1942	+
1915	1943	static int profile_open_perf_events(struct profiler_bpf *obj)
1916	1944	{
1917	1945	unsigned int cpu, m;
1918		- int map_fd, pmu_fd;
	1946	+ int map_fd;
1919	1947
1920	1948	profile_perf_events = calloc(
1921	1949	sizeof(int), obj->rodata->num_cpu * obj->rodata->num_metric);
..	..	@@ -1934,17 +1962,11 @@
1934	1962	if (!metrics[m].selected)
1935	1963	continue;
1936	1964	for (cpu = 0; cpu < obj->rodata->num_cpu; cpu++) {
1937		- pmu_fd = syscall(__NR_perf_event_open, &metrics[m].attr,
1938		- -1/pid/, cpu, -1/group_fd/, 0);
1939		- if (pmu_fd < 0 \|\|
1940		- bpf_map_update_elem(map_fd, &profile_perf_event_cnt,
1941		- &pmu_fd, BPF_ANY) \|\|
1942		- ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0)) {
	1965	+ if (profile_open_perf_event(m, cpu, map_fd)) {
1943	1966	p_err("failed to create event %s on cpu %d",
1944	1967	metrics[m].name, cpu);
1945	1968	return -1;
1946	1969	}
1947		- profile_perf_events[profile_perf_event_cnt++] = pmu_fd;
1948	1970	}
1949	1971	}
1950	1972	return 0;