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// 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 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;
}
static int test__time_utils(struct test_suite *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 = 1234567123456789ULL;
u64 c = 7654321987654321ULL;
u64 e = 8000000000000000ULL;
struct test_data d = {
.str = "1234567.123456789,1234567.123456790 "
"7654321.987654321,7654321.987654444 "
"8000000,8000000.000000005",
.ptime = { {b, b + 1}, {c, c + 123}, {e, e + 5}, },
.num = 3,
.skip = { b - 1, b + 2, c - 1, c + 124, e - 1, e + 6 },
.noskip = { b, b + 1, c, c + 123, e, e + 5 },
};
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;
}
DEFINE_SUITE("time utils", time_utils);
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