Add gem_spin_batch to test that the dummyload infra is working properly. Can be also act as tool to force a single engine to be busy for controlled period of time.
v2: plenty of igt-fu improvements (Chris) Cc: Abdiel Janulgue <[email protected]> Cc: Chris Wilson <[email protected]> Signed-off-by: Mika Kuoppala <[email protected]> --- tests/Makefile.sources | 1 + tests/gem_spin_batch.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 81 insertions(+) create mode 100644 tests/gem_spin_batch.c diff --git a/tests/Makefile.sources b/tests/Makefile.sources index 6e07d93..1763b67 100644 --- a/tests/Makefile.sources +++ b/tests/Makefile.sources @@ -214,6 +214,7 @@ TESTS_progs = \ gem_unfence_active_buffers \ gem_unref_active_buffers \ gem_wait \ + gem_spin_batch \ gem_workarounds \ gen3_mixed_blits \ gen3_render_linear_blits \ diff --git a/tests/gem_spin_batch.c b/tests/gem_spin_batch.c new file mode 100644 index 0000000..9823f4c --- /dev/null +++ b/tests/gem_spin_batch.c @@ -0,0 +1,80 @@ +/* + * Copyright © 2017 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#include "igt.h" + +static int64_t elapsed(const struct timespec *start, const struct timespec *end) +{ + return (end->tv_sec - start->tv_sec) * 1000000000LL + + (end->tv_nsec - start->tv_nsec); +} + +static void basic(int fd, unsigned engine, unsigned timeout_sec) +{ + const int64_t timeout_100ms = 100000000LL; + struct timespec s, e; + igt_spin_t *spin; + unsigned long loops = 0; + + clock_gettime(CLOCK_MONOTONIC, &s); + igt_until_timeout(timeout_sec) { + spin = igt_spin_batch_new(fd, engine, 0); + igt_spin_batch_set_timeout(spin, timeout_100ms); + gem_sync(fd, spin->handle); + loops++; + igt_spin_batch_free(fd, spin); + } + clock_gettime(CLOCK_MONOTONIC, &e); + + igt_assert_lte(loops * timeout_100ms, elapsed(&s, &e)); + igt_assert_lte(elapsed(&s, &e), 105 * loops * timeout_100ms / 100); /* 5% */ + igt_assert_eq(intel_detect_and_clear_missed_interrupts(fd), 0); +} + +igt_main +{ + const struct intel_execution_engine *e; + int fd = -1; + + igt_skip_on_simulation(); + + igt_fixture { + fd = drm_open_driver(DRIVER_INTEL); + igt_require_gem(fd); + igt_fork_hang_detector(fd); + } + + for (e = intel_execution_engines; e->name; e++) { + if (e->exec_id == 0) + continue; + + igt_subtest_f("basic-%s", e->name) + basic(fd, e->exec_id, 3); + } + + igt_fixture { + igt_stop_hang_detector(); + close(fd); + } +} -- 2.7.4 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
