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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /tools/perf/tests/time-utils-test.c | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab:
- v4l2-core: added ISP statistics support and per-block validation
- v4l2-core: Allow unknown HDR10 white point and luminance
- New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor
- New codec: Milos: VPU v2.0 codec support
- isp driver: gained support for Dreamchip RPPX1 ISP framework
- vsp1 driver: gained support for RZ/T2H and RZ/N2H
- Novalake driver: gained CVS support for new NVL hardware
- dvb-core: fix feed leak on failed DMX_ADD_PID
- several driver fixes, cleanups and minor improvements
* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
media: ipu-bridge: check all DMI entries when overriding sensor rotation
media: v4l2-async: avoid deleting unlinked ASC entry on link error
media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
media: intel/ipu6: fix async notifier cleanup leak on parse error
media: staging/ipu7: fix async notifier UAF on probe error path
media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
media: rcar-isp: Fix VSPX reference leaks
media: rcar-isp: Release ISPCORE resources
media: i2c: imx415: Release runtime PM reference on VBLANK error
media: i2c: imx415: Return test pattern write errors
media: renesas: vsp1: Declare index variables in for loop statement
media: renesas: vsp1: Make reset control optional to support platforms without a reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
media: nxp: imx8-isi: Add additional 32-bit RGB format support
media: nxp: imx8-isi: Add 16-bit raw Bayer format support
media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
media: nxp: imx8-isi: Correct color map between V4L2 and ISI
...
Diffstat (limited to 'tools/perf/tests/time-utils-test.c')
| -rw-r--r-- | tools/perf/tests/time-utils-test.c | 253 |
1 files changed, 253 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 000000000..38df10373 --- /dev/null +++ b/tools/perf/tests/time-utils-test.c @@ -0,0 +1,253 @@ +// 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); |
