Message ID | 1415373648-5003-1-git-send-email-mika.kuoppala@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Fri, Nov 07, 2014 at 05:20:48PM +0200, Mika Kuoppala wrote: > to see if one can fool hangcheck by keeping non hanging > ring busy > > Cc: Chris Wilson <chris@chris-wilson.co.uk> > Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com> > --- > tests/gem_reset_stats.c | 43 +++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 43 insertions(+) > > diff --git a/tests/gem_reset_stats.c b/tests/gem_reset_stats.c > index 3f5a01f..6473cf3 100644 > --- a/tests/gem_reset_stats.c > +++ b/tests/gem_reset_stats.c > @@ -1019,6 +1019,45 @@ static void test_params(void) > > } > > +static void defer_hangcheck(int ring_num) > +{ > + int fd, count_start, count_end; > + int seconds = 30; > + const struct target_ring *next_ring; > + fd = drm_open_any(); > + igt_assert(fd >= 0); > + > + do { > + next_ring = &rings[(++ring_num) % NUM_RINGS]; > + > + if (next_ring->present(fd)) > + break; > + > + } while(next_ring != current_ring); > + > + igt_skip_on(next_ring == current_ring); > + > + count_start = get_reset_count(fd, 0); > + igt_assert(count_start >= 0); > + > + igt_assert(inject_hang_ring(fd, 0, current_ring->exec, true)); > + while (--seconds) { > + igt_assert(exec_valid_ring(fd, 0, next_ring->exec)); > + > + count_end = get_reset_count(fd, 0); > + igt_assert(count_end >= 0); > + > + if (count_end > count_start) > + return; s/return/break/ here? Otherwise lgtm, pls push with that fixed. -Daniel > + > + sleep(1); > + } > + > + igt_assert(count_end > count_start); > + > + close(fd); > +} > + > static bool gem_has_hw_contexts(int fd) > { > struct local_drm_i915_gem_context_create create; > @@ -1159,5 +1198,9 @@ igt_main > > igt_subtest_f("close-pending-fork-reverse-%s", name) > RUN_TEST(test_close_pending_fork(true)); > + > + igt_subtest_f("defer-hangcheck-%s", name) > + RUN_TEST(defer_hangcheck(i)); > + > } > } > -- > 1.9.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff --git a/tests/gem_reset_stats.c b/tests/gem_reset_stats.c index 3f5a01f..6473cf3 100644 --- a/tests/gem_reset_stats.c +++ b/tests/gem_reset_stats.c @@ -1019,6 +1019,45 @@ static void test_params(void) } +static void defer_hangcheck(int ring_num) +{ + int fd, count_start, count_end; + int seconds = 30; + const struct target_ring *next_ring; + fd = drm_open_any(); + igt_assert(fd >= 0); + + do { + next_ring = &rings[(++ring_num) % NUM_RINGS]; + + if (next_ring->present(fd)) + break; + + } while(next_ring != current_ring); + + igt_skip_on(next_ring == current_ring); + + count_start = get_reset_count(fd, 0); + igt_assert(count_start >= 0); + + igt_assert(inject_hang_ring(fd, 0, current_ring->exec, true)); + while (--seconds) { + igt_assert(exec_valid_ring(fd, 0, next_ring->exec)); + + count_end = get_reset_count(fd, 0); + igt_assert(count_end >= 0); + + if (count_end > count_start) + return; + + sleep(1); + } + + igt_assert(count_end > count_start); + + close(fd); +} + static bool gem_has_hw_contexts(int fd) { struct local_drm_i915_gem_context_create create; @@ -1159,5 +1198,9 @@ igt_main igt_subtest_f("close-pending-fork-reverse-%s", name) RUN_TEST(test_close_pending_fork(true)); + + igt_subtest_f("defer-hangcheck-%s", name) + RUN_TEST(defer_hangcheck(i)); + } }
to see if one can fool hangcheck by keeping non hanging ring busy Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com> --- tests/gem_reset_stats.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+)