diff options
author | Adrian Hunter <adrian.hunter@intel.com> | 2019-06-04 16:00:16 +0300 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-06-10 16:20:12 -0300 |
commit | e39a12cbd2496edb4cab0f99efb0d217c55ba273 (patch) | |
tree | f3f55625503b7c9c6538443f3367dc461f5075ea /tools/perf/tests/time-utils-test.c | |
parent | 929afa0092d0ea6be2fbd0ac087319092595eba6 (diff) |
perf tests: Add a test for time-utils
Test time ranges work as expected.
Committer testing:
$ perf test "time utils"
59: time utils : Ok
$ perf test -v "time utils"
59: time utils :
--- start ---
test child forked, pid 31711
parse_nsec_time("0")
0
parse_nsec_time("1")
1000000000
parse_nsec_time("0.000000001")
1
parse_nsec_time("1.000000001")
1000000001
parse_nsec_time("123456.123456")
123456123456000
parse_nsec_time("1234567.123456789")
1234567123456789
parse_nsec_time("18446744073.709551615")
18446744073709551615
perf_time__parse_str("1234567.123456789,1234567.123456789")
start time 1234567123456789, end time 1234567123456789
perf_time__parse_str("1234567.123456789,1234567.123456790")
start time 1234567123456789, end time 1234567123456790
perf_time__parse_str("1234567.123456789,")
start time 1234567123456789, end time 0
perf_time__parse_str(",1234567.123456789")
start time 0, end time 1234567123456789
perf_time__parse_str("0,1234567.123456789")
start time 0, end time 1234567123456789
perf_time__parse_for_ranges("1234567.123456789,1234567.123456790")
start time 1234567123456789, end time 1234567123456790
perf_time__parse_for_ranges("10%/1")
first_sample_time 7654321000000000 last_sample_time 7654321000000100
start time 0: 7654321000000000, end time 0: 7654321000000009
perf_time__parse_for_ranges("10%/2")
first_sample_time 7654321000000000 last_sample_time 7654321000000100
start time 0: 7654321000000010, end time 0: 7654321000000019
perf_time__parse_for_ranges("10%/1,10%/2")
first_sample_time 11223344000000000 last_sample_time 11223344000000100
start time 0: 11223344000000000, end time 0: 11223344000000009
start time 1: 11223344000000010, end time 1: 11223344000000019
perf_time__parse_for_ranges("10%/1,10%/3,10%/10")
first_sample_time 11223344000000000 last_sample_time 11223344000000100
start time 0: 11223344000000000, end time 0: 11223344000000009
start time 1: 11223344000000020, end time 1: 11223344000000029
start time 2: 11223344000000090, end time 2: 11223344000000100
test child finished with 0
---- end ----
time utils: Ok
$
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20190604130017.31207-19-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests/time-utils-test.c')
-rw-r--r-- | tools/perf/tests/time-utils-test.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/tools/perf/tests/time-utils-test.c b/tools/perf/tests/time-utils-test.c new file mode 100644 index 000000000000..7504046b111c --- /dev/null +++ b/tools/perf/tests/time-utils-test.c @@ -0,0 +1,234 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/compiler.h> +#include <linux/time64.h> +#include <inttypes.h> +#include <string.h> +#include "time-utils.h" +#include "evlist.h" +#include "session.h" +#include "debug.h" +#include "tests.h" + +static bool test__parse_nsec_time(const char *str, u64 expected) +{ + u64 ptime; + int err; + + pr_debug("\nparse_nsec_time(\"%s\")\n", str); + + err = parse_nsec_time(str, &ptime); + if (err) { + pr_debug("error %d\n", err); + return false; + } + + if (ptime != expected) { + pr_debug("Failed. ptime %" PRIu64 " expected %" PRIu64 "\n", + ptime, expected); + return false; + } + + pr_debug("%" PRIu64 "\n", ptime); + + return true; +} + +static bool test__perf_time__parse_str(const char *ostr, u64 start, u64 end) +{ + struct perf_time_interval ptime; + int err; + + pr_debug("\nperf_time__parse_str(\"%s\")\n", ostr); + + err = perf_time__parse_str(&ptime, ostr); + if (err) { + pr_debug("Error %d\n", err); + return false; + } + + if (ptime.start != start || ptime.end != end) { + pr_debug("Failed. Expected %" PRIu64 " to %" PRIu64 "\n", + start, end); + return false; + } + + return true; +} + +#define TEST_MAX 64 + +struct test_data { + const char *str; + u64 first; + u64 last; + struct perf_time_interval ptime[TEST_MAX]; + int num; + u64 skip[TEST_MAX]; + u64 noskip[TEST_MAX]; +}; + +static bool test__perf_time__parse_for_ranges(struct test_data *d) +{ + struct perf_evlist evlist = { + .first_sample_time = d->first, + .last_sample_time = d->last, + }; + struct perf_session session = { .evlist = &evlist }; + struct perf_time_interval *ptime = NULL; + int range_size, range_num; + bool pass = false; + int i, err; + + pr_debug("\nperf_time__parse_for_ranges(\"%s\")\n", d->str); + + if (strchr(d->str, '%')) + pr_debug("first_sample_time %" PRIu64 " last_sample_time %" PRIu64 "\n", + d->first, d->last); + + err = perf_time__parse_for_ranges(d->str, &session, &ptime, &range_size, + &range_num); + if (err) { + pr_debug("error %d\n", err); + goto out; + } + + if (range_size < d->num || range_num != d->num) { + pr_debug("bad size: range_size %d range_num %d expected num %d\n", + range_size, range_num, d->num); + goto out; + } + + for (i = 0; i < d->num; i++) { + if (ptime[i].start != d->ptime[i].start || + ptime[i].end != d->ptime[i].end) { + pr_debug("bad range %d expected %" PRIu64 " to %" PRIu64 "\n", + i, d->ptime[i].start, d->ptime[i].end); + goto out; + } + } + + if (perf_time__ranges_skip_sample(ptime, d->num, 0)) { + pr_debug("failed to keep 0\n"); + goto out; + } + + for (i = 0; i < TEST_MAX; i++) { + if (d->skip[i] && + !perf_time__ranges_skip_sample(ptime, d->num, d->skip[i])) { + pr_debug("failed to skip %" PRIu64 "\n", d->skip[i]); + goto out; + } + if (d->noskip[i] && + perf_time__ranges_skip_sample(ptime, d->num, d->noskip[i])) { + pr_debug("failed to keep %" PRIu64 "\n", d->noskip[i]); + goto out; + } + } + + pass = true; +out: + free(ptime); + return pass; +} + +int test__time_utils(struct test *t __maybe_unused, int subtest __maybe_unused) +{ + bool pass = true; + + pass &= test__parse_nsec_time("0", 0); + pass &= test__parse_nsec_time("1", 1000000000ULL); + pass &= test__parse_nsec_time("0.000000001", 1); + pass &= test__parse_nsec_time("1.000000001", 1000000001ULL); + pass &= test__parse_nsec_time("123456.123456", 123456123456000ULL); + pass &= test__parse_nsec_time("1234567.123456789", 1234567123456789ULL); + pass &= test__parse_nsec_time("18446744073.709551615", + 0xFFFFFFFFFFFFFFFFULL); + + pass &= test__perf_time__parse_str("1234567.123456789,1234567.123456789", + 1234567123456789ULL, 1234567123456789ULL); + pass &= test__perf_time__parse_str("1234567.123456789,1234567.123456790", + 1234567123456789ULL, 1234567123456790ULL); + pass &= test__perf_time__parse_str("1234567.123456789,", + 1234567123456789ULL, 0); + pass &= test__perf_time__parse_str(",1234567.123456789", + 0, 1234567123456789ULL); + pass &= test__perf_time__parse_str("0,1234567.123456789", + 0, 1234567123456789ULL); + + { + u64 b = 1234567123456789ULL; + struct test_data d = { + .str = "1234567.123456789,1234567.123456790", + .ptime = { {b, b + 1}, }, + .num = 1, + .skip = { b - 1, b + 2, }, + .noskip = { b, b + 1, }, + }; + + pass &= test__perf_time__parse_for_ranges(&d); + } + + { + u64 b = 7654321ULL * NSEC_PER_SEC; + struct test_data d = { + .str = "10%/1", + .first = b, + .last = b + 100, + .ptime = { {b, b + 9}, }, + .num = 1, + .skip = { b - 1, b + 10, }, + .noskip = { b, b + 9, }, + }; + + pass &= test__perf_time__parse_for_ranges(&d); + } + + { + u64 b = 7654321ULL * NSEC_PER_SEC; + struct test_data d = { + .str = "10%/2", + .first = b, + .last = b + 100, + .ptime = { {b + 10, b + 19}, }, + .num = 1, + .skip = { b + 9, b + 20, }, + .noskip = { b + 10, b + 19, }, + }; + + pass &= test__perf_time__parse_for_ranges(&d); + } + + { + u64 b = 11223344ULL * NSEC_PER_SEC; + struct test_data d = { + .str = "10%/1,10%/2", + .first = b, + .last = b + 100, + .ptime = { {b, b + 9}, {b + 10, b + 19}, }, + .num = 2, + .skip = { b - 1, b + 20, }, + .noskip = { b, b + 8, b + 9, b + 10, b + 11, b + 12, b + 19, }, + }; + + pass &= test__perf_time__parse_for_ranges(&d); + } + + { + u64 b = 11223344ULL * NSEC_PER_SEC; + struct test_data d = { + .str = "10%/1,10%/3,10%/10", + .first = b, + .last = b + 100, + .ptime = { {b, b + 9}, {b + 20, b + 29}, { b + 90, b + 100}, }, + .num = 3, + .skip = { b - 1, b + 10, b + 19, b + 30, b + 89, b + 101 }, + .noskip = { b, b + 9, b + 20, b + 29, b + 90, b + 100}, + }; + + pass &= test__perf_time__parse_for_ranges(&d); + } + + pr_debug("\n"); + + return pass ? 0 : TEST_FAIL; +} |