1 // SPDX-License-Identifier: GPL-2.0
25 	int err = -1, fd, cpu;  in test__openat_syscall_event_on_all_cpus()  local
30 	struct perf_thread_map *threads = thread_map__new(-1, getpid(), UINT_MAX);  in test__openat_syscall_event_on_all_cpus()
36 		return -1;  in test__openat_syscall_event_on_all_cpus()
61 	for (cpu = 0; cpu < cpus->nr; ++cpu) {  in test__openat_syscall_event_on_all_cpus()
62 		unsigned int ncalls = nr_openat_calls + cpu;  in test__openat_syscall_event_on_all_cpus()
67 		 * a reasonable upper limit tho :-)  in test__openat_syscall_event_on_all_cpus()
69 		if (cpus->map[cpu] >= CPU_SETSIZE) {  in test__openat_syscall_event_on_all_cpus()
70 			pr_debug("Ignoring CPU %d\n", cpus->map[cpu]);  in test__openat_syscall_event_on_all_cpus()
74 		CPU_SET(cpus->map[cpu], &cpu_set);  in test__openat_syscall_event_on_all_cpus()
76 			pr_debug("sched_setaffinity() failed on CPU %d: %s ",  in test__openat_syscall_event_on_all_cpus()
77 				 cpus->map[cpu],  in test__openat_syscall_event_on_all_cpus()
85 		CPU_CLR(cpus->map[cpu], &cpu_set);  in test__openat_syscall_event_on_all_cpus()
90 	 * we use the auto allocation it will allocate just for 1 cpu,  in test__openat_syscall_event_on_all_cpus()
91 	 * as we start by cpu 0.  in test__openat_syscall_event_on_all_cpus()
93 	if (evsel__alloc_counts(evsel, cpus->nr, 1) < 0) {  in test__openat_syscall_event_on_all_cpus()
94 		pr_debug("evsel__alloc_counts(ncpus=%d)\n", cpus->nr);  in test__openat_syscall_event_on_all_cpus()
100 	for (cpu = 0; cpu < cpus->nr; ++cpu) {  in test__openat_syscall_event_on_all_cpus()
103 		if (cpus->map[cpu] >= CPU_SETSIZE)  in test__openat_syscall_event_on_all_cpus()
106 		if (evsel__read_on_cpu(evsel, cpu, 0) < 0) {  in test__openat_syscall_event_on_all_cpus()
108 			err = -1;  in test__openat_syscall_event_on_all_cpus()
112 		expected = nr_openat_calls + cpu;  in test__openat_syscall_event_on_all_cpus()
113 		if (perf_counts(evsel->counts, cpu, 0)->val != expected) {  in test__openat_syscall_event_on_all_cpus()
114 			pr_debug("evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n",  in test__openat_syscall_event_on_all_cpus()
115 				 expected, cpus->map[cpu], perf_counts(evsel->counts, cpu, 0)->val);  in test__openat_syscall_event_on_all_cpus()
116 			err = -1;  in test__openat_syscall_event_on_all_cpus()
122 	perf_evsel__close_fd(&evsel->core);  in test__openat_syscall_event_on_all_cpus()