1 files changed, 34 insertions, 28 deletions

diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c
index cd3dd463783f..f3275be83a33 100644
--- a/tools/perf/tests/openat-syscall-all-cpus.c
+++ b/tools/perf/tests/openat-syscall-all-cpus.c
@@ -2,7 +2,7 @@
 #include <errno.h>
 #include <inttypes.h>
 /* For the CPU_* macros */
-#include <pthread.h>
+#include <sched.h>
 
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -22,7 +22,8 @@
 static int test__openat_syscall_event_on_all_cpus(struct test_suite *test __maybe_unused,
 						  int subtest __maybe_unused)
 {
-	int err = -1, fd, cpu;
+	int err = TEST_FAIL, fd, idx;
+	struct perf_cpu cpu;
 	struct perf_cpu_map *cpus;
 	struct evsel *evsel;
 	unsigned int nr_openat_calls = 111, i;
@@ -48,6 +49,7 @@ static int test__openat_syscall_event_on_all_cpus(struct test_suite *test __mayb
 	if (IS_ERR(evsel)) {
 		tracing_path__strerror_open_tp(errno, errbuf, sizeof(errbuf), "syscalls", "sys_enter_openat");
 		pr_debug("%s\n", errbuf);
+		err = TEST_SKIP;
 		goto out_cpu_map_delete;
 	}
 
@@ -55,26 +57,27 @@ static int test__openat_syscall_event_on_all_cpus(struct test_suite *test __mayb
 		pr_debug("failed to open counter: %s, "
 			 "tweak /proc/sys/kernel/perf_event_paranoid?\n",
 			 str_error_r(errno, sbuf, sizeof(sbuf)));
+		err = TEST_SKIP;
 		goto out_evsel_delete;
 	}
 
-	for (cpu = 0; cpu < cpus->nr; ++cpu) {
-		unsigned int ncalls = nr_openat_calls + cpu;
+	perf_cpu_map__for_each_cpu(cpu, idx, cpus) {
+		unsigned int ncalls = nr_openat_calls + idx;
 		/*
 		 * XXX eventually lift this restriction in a way that
 		 * keeps perf building on older glibc installations
 		 * without CPU_ALLOC. 1024 cpus in 2010 still seems
 		 * a reasonable upper limit tho :-)
 		 */
-		if (cpus->map[cpu] >= CPU_SETSIZE) {
-			pr_debug("Ignoring CPU %d\n", cpus->map[cpu]);
+		if (cpu.cpu >= CPU_SETSIZE) {
+			pr_debug("Ignoring CPU %d\n", cpu.cpu);
 			continue;
 		}
 
-		CPU_SET(cpus->map[cpu], &cpu_set);
+		CPU_SET(cpu.cpu, &cpu_set);
 		if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) {
 			pr_debug("sched_setaffinity() failed on CPU %d: %s ",
-				 cpus->map[cpu],
+				 cpu.cpu,
 				 str_error_r(errno, sbuf, sizeof(sbuf)));
 			goto out_close_fd;
 		}
@@ -82,38 +85,30 @@ static int test__openat_syscall_event_on_all_cpus(struct test_suite *test __mayb
 			fd = openat(0, "/etc/passwd", O_RDONLY);
 			close(fd);
 		}
-		CPU_CLR(cpus->map[cpu], &cpu_set);
+		CPU_CLR(cpu.cpu, &cpu_set);
 	}
 
-	/*
-	 * Here we need to explicitly preallocate the counts, as if
-	 * we use the auto allocation it will allocate just for 1 cpu,
-	 * as we start by cpu 0.
-	 */
-	if (evsel__alloc_counts(evsel, cpus->nr, 1) < 0) {
-		pr_debug("evsel__alloc_counts(ncpus=%d)\n", cpus->nr);
-		goto out_close_fd;
-	}
+	evsel->core.cpus = perf_cpu_map__get(cpus);
 
-	err = 0;
+	err = TEST_OK;
 
-	for (cpu = 0; cpu < cpus->nr; ++cpu) {
+	perf_cpu_map__for_each_cpu(cpu, idx, cpus) {
 		unsigned int expected;
 
-		if (cpus->map[cpu] >= CPU_SETSIZE)
+		if (cpu.cpu >= CPU_SETSIZE)
 			continue;
 
-		if (evsel__read_on_cpu(evsel, cpu, 0) < 0) {
+		if (evsel__read_on_cpu(evsel, idx, 0) < 0) {
 			pr_debug("evsel__read_on_cpu\n");
-			err = -1;
+			err = TEST_FAIL;
 			break;
 		}
 
-		expected = nr_openat_calls + cpu;
-		if (perf_counts(evsel->counts, cpu, 0)->val != expected) {
+		expected = nr_openat_calls + idx;
+		if (perf_counts(evsel->counts, idx, 0)->val != expected) {
 			pr_debug("evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n",
-				 expected, cpus->map[cpu], perf_counts(evsel->counts, cpu, 0)->val);
-			err = -1;
+				 expected, cpu.cpu, perf_counts(evsel->counts, idx, 0)->val);
+			err = TEST_FAIL;
 		}
 	}
 
@@ -129,4 +124,15 @@ out_thread_map_delete:
 	return err;
 }
 
-DEFINE_SUITE("Detect openat syscall event on all cpus", openat_syscall_event_on_all_cpus);
+
+static struct test_case tests__openat_syscall_event_on_all_cpus[] = {
+	TEST_CASE_REASON("Detect openat syscall event on all cpus",
+			 openat_syscall_event_on_all_cpus,
+			 "permissions"),
+	{	.name = NULL, }
+};
+
+struct test_suite suite__openat_syscall_event_on_all_cpus = {
+	.desc = "Detect openat syscall event on all cpus",
+	.test_cases = tests__openat_syscall_event_on_all_cpus,
+};