On Wed, Mar 08, 2017 at 12:44:06PM +0200, Mika Kuoppala wrote: > 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) > v3: nesting batches for more utilization, epsilon fun (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 | 85 > ++++++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 86 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..a408fe1 > --- /dev/null > +++ b/tests/gem_spin_batch.c > @@ -0,0 +1,85 @@ > +/* > + * 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" > + > +#define MAX_ERROR 3 /* % */ > + > +#define assert_within_epsilon(x, ref, tolerance) \ > + igt_assert_f(100 * x <= (100 + tolerance) * ref && \ > + 100 * x >= (100 - tolerance) * ref, \ > + "'%s' != '%s' (%ld not within %d%% tolerance of %ld)\n", \ > + #x, #ref, (int64_t)x, tolerance, (int64_t)ref) > + > +static void basic(int fd, unsigned int engine, unsigned int timeout_sec) > +{ > + const uint64_t timeout_100ms = 100000000LL; > + unsigned long loops = 0; > + igt_spin_t *spin; > + struct timespec tv = { }; > + uint64_t elapsed; > + > + spin = igt_spin_batch_new(fd, engine, 0); > + while ((elapsed = igt_nsec_elapsed(&tv)) >> 30 < timeout_sec) { > + igt_spin_t *next = 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); > + spin = next; > + } > + igt_spin_batch_free(fd, spin); > + > + assert_within_epsilon(timeout_100ms * loops, elapsed, MAX_ERROR); > + 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);
intel_detect_and_clear_missed_interrupts(fd); And I'm done! :) Reviewed-by: Chris Wilson <[email protected]> -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
