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author | Jiri Olsa <jolsa@redhat.com> | 2012-11-10 01:46:43 +0100 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-11-14 16:49:25 -0300 |
commit | bd90517b374b1d6381a5509f55df1a9b7c33a6b1 (patch) | |
tree | b3b9011250f5d889b45dd997de55bb5c525c661f /tools/perf/tests/builtin-test.c | |
parent | d3b59a38bcdab4248134023c2c5dfabee5a4878e (diff) | |
download | linux-bd90517b374b1d6381a5509f55df1a9b7c33a6b1.tar.gz linux-bd90517b374b1d6381a5509f55df1a9b7c33a6b1.tar.bz2 linux-bd90517b374b1d6381a5509f55df1a9b7c33a6b1.zip |
perf tests: Move test__open_syscall_event_on_all_cpus into separate object
Separating test__open_syscall_event_on_all_cpus test from the
builtin-test into open-syscall-all-cpus object.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1352508412-16914-4-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests/builtin-test.c')
-rw-r--r-- | tools/perf/tests/builtin-test.c | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index b6b1e46a51c6..98e883bc330b 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -29,120 +29,6 @@ #include <sched.h> -static int test__open_syscall_event_on_all_cpus(void) -{ - int err = -1, fd, cpu; - struct thread_map *threads; - struct cpu_map *cpus; - struct perf_evsel *evsel; - struct perf_event_attr attr; - unsigned int nr_open_calls = 111, i; - cpu_set_t cpu_set; - int id = trace_event__id("sys_enter_open"); - - if (id < 0) { - pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); - return -1; - } - - threads = thread_map__new(-1, getpid(), UINT_MAX); - if (threads == NULL) { - pr_debug("thread_map__new\n"); - return -1; - } - - cpus = cpu_map__new(NULL); - if (cpus == NULL) { - pr_debug("cpu_map__new\n"); - goto out_thread_map_delete; - } - - - CPU_ZERO(&cpu_set); - - memset(&attr, 0, sizeof(attr)); - attr.type = PERF_TYPE_TRACEPOINT; - attr.config = id; - evsel = perf_evsel__new(&attr, 0); - if (evsel == NULL) { - pr_debug("perf_evsel__new\n"); - goto out_thread_map_delete; - } - - if (perf_evsel__open(evsel, cpus, threads) < 0) { - pr_debug("failed to open counter: %s, " - "tweak /proc/sys/kernel/perf_event_paranoid?\n", - strerror(errno)); - goto out_evsel_delete; - } - - for (cpu = 0; cpu < cpus->nr; ++cpu) { - unsigned int ncalls = nr_open_calls + cpu; - /* - * 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]); - continue; - } - - CPU_SET(cpus->map[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], - strerror(errno)); - goto out_close_fd; - } - for (i = 0; i < ncalls; ++i) { - fd = open("/etc/passwd", O_RDONLY); - close(fd); - } - CPU_CLR(cpus->map[cpu], &cpu_set); - } - - /* - * Here we need to explicitely preallocate the counts, as if - * we use the auto allocation it will allocate just for 1 cpu, - * as we start by cpu 0. - */ - if (perf_evsel__alloc_counts(evsel, cpus->nr) < 0) { - pr_debug("perf_evsel__alloc_counts(ncpus=%d)\n", cpus->nr); - goto out_close_fd; - } - - err = 0; - - for (cpu = 0; cpu < cpus->nr; ++cpu) { - unsigned int expected; - - if (cpus->map[cpu] >= CPU_SETSIZE) - continue; - - if (perf_evsel__read_on_cpu(evsel, cpu, 0) < 0) { - pr_debug("perf_evsel__read_on_cpu\n"); - err = -1; - break; - } - - expected = nr_open_calls + cpu; - if (evsel->counts->cpu[cpu].val != expected) { - pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n", - expected, cpus->map[cpu], evsel->counts->cpu[cpu].val); - err = -1; - } - } - -out_close_fd: - perf_evsel__close_fd(evsel, 1, threads->nr); -out_evsel_delete: - perf_evsel__delete(evsel); -out_thread_map_delete: - thread_map__delete(threads); - return err; -} /* * This test will generate random numbers of calls to some getpid syscalls, |