Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes: > Introduce a new 2-process fork test that is bound to a single cpu to > exercise contention during pagefaults. This is a much lighter variant of > the all-cpus test intended to be viable even on the legendary frozen > lakes of molasses. > > References: https://bugs.freedesktop.org/show_bug.cgi?id=110882 > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> > Cc: Martin Peres <martin.peres@xxxxxxxxxxxxxxx> > --- > tests/i915/gem_mmap_gtt.c | 36 +++++++++++++++++++++++++----------- > tests/intel-ci/blacklist.txt | 2 +- > 2 files changed, 26 insertions(+), 12 deletions(-) > > diff --git a/tests/i915/gem_mmap_gtt.c b/tests/i915/gem_mmap_gtt.c > index ac439cdf8..0428a1372 100644 > --- a/tests/i915/gem_mmap_gtt.c > +++ b/tests/i915/gem_mmap_gtt.c > @@ -792,9 +792,6 @@ test_huge_copy(int fd, int huge, int tiling_a, int tiling_b, int ncpus) > uint64_t huge_object_size, i; > unsigned mode = CHECK_RAM; > > - igt_fail_on_f(intel_gen(devid) >= 11 && ncpus > 1, > - "Please adjust your expectations, https://bugs.freedesktop.org/show_bug.cgi?id=110882\n";); > - > switch (huge) { > case -2: > huge_object_size = gem_mappable_aperture_size() / 4; > @@ -1138,17 +1135,34 @@ igt_main > for (const struct copy_mode *m = copy_modes; m->suffix; m++) { > igt_subtest_f("%s-copy%s", s->prefix, m->suffix) > test_huge_copy(fd, > - s->size, > - m->tiling_x, > - m->tiling_y, > - 1); > + s->size, > + m->tiling_x, > + m->tiling_y, > + 1); > + > + igt_subtest_f("cpuset-%s-copy%s", s->prefix, m->suffix) { > + cpu_set_t cpu, old; > + > + sched_getaffinity(0, sizeof(old), &old); > + > + CPU_ZERO(&cpu); > + CPU_SET(0, &cpu); > + igt_assert(sched_setaffinity(0, sizeof(cpu), &cpu) == 0); > + test_huge_copy(fd, > + s->size, > + m->tiling_x, > + m->tiling_y, > + 2); > + > + igt_assert(sched_setaffinity(0, sizeof(old), &old) == 0); > + } > > igt_subtest_f("forked-%s-copy%s", s->prefix, m->suffix) > test_huge_copy(fd, > - s->size, > - m->tiling_x, > - m->tiling_y, > - ncpus); > + s->size, > + m->tiling_x, > + m->tiling_y, > + ncpus); > } > } > > diff --git a/tests/intel-ci/blacklist.txt b/tests/intel-ci/blacklist.txt > index 8e3dafa98..5fa91105f 100644 > --- a/tests/intel-ci/blacklist.txt > +++ b/tests/intel-ci/blacklist.txt > @@ -47,7 +47,7 @@ igt@gem_gtt_hog(@.*)? > igt@gem_gtt_speed(@.*)? > igt@gem_hangcheck_forcewake(@.*)? > igt@gem_lut_handle(@.*)? > -igt@gem_mmap_gtt@.*(huge|swap|clflush).* > +igt@gem_mmap_gtt@.*(huge|swap|clflush|forked).* Dunno if this is enough for bat to pick it up. Regardless, patch does what it says, using 2 threads on single cpu. It should fly, even with maps of molasses. Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> > igt@gem_mmap@.*(swap|huge).* > igt@gem_mocs_settings@.*(suspend|hibernate).* > igt@gem_pin(@.*)? > -- > 2.23.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
