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tests/gem_reset_stats: check gpu state before each subtest

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Some tests, namely the close pending variety, tries to
carefully drop all handles to gpu when hang is intruduced,
to expose bugs in reset handling without any clients.

Add guards after and before tests to really know if
the gpu is still alive as the particular test might
report success and then gpu dies few seconds after.

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
This commit is contained in:
Mika Kuoppala 2014-03-28 15:12:14 +02:00
parent 2f2c491cf3
commit 53ad1e4a70
1 changed files with 45 additions and 21 deletions
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66
tests/gem_reset_stats.c
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@ -1059,16 +1059,41 @@ static bool gem_has_reset_stats(int fd)
return false;
}
#define RING_HAS_CONTEXTS (current_ring->contexts(current_ring))
#define RUN_CTX_TEST(...) do { igt_skip_on(RING_HAS_CONTEXTS == false); __VA_ARGS__; } while (0)
static void check_gpu_ok(void)
{
int retry_count = 30;
enum stop_ring_flags flags;
int fd;
static int fd;
igt_debug("checking gpu state\n");
while (retry_count--) {
flags = igt_get_stop_rings();
if (flags == 0)
break;
igt_debug("waiting previous hang to clear\n");
sleep(1);
}
igt_assert(flags == 0);
fd = drm_open_any();
gem_quiescent_gpu(fd);
close(fd);
}
#define RING_HAS_CONTEXTS (current_ring->contexts(current_ring))
#define RUN_TEST(...) do { check_gpu_ok(); __VA_ARGS__; check_gpu_ok(); } while (0)
#define RUN_CTX_TEST(...) do { igt_skip_on(RING_HAS_CONTEXTS == false); RUN_TEST(__VA_ARGS__); } while (0)
igt_main
{
igt_skip_on_simulation();
igt_fixture {
int fd;
bool has_reset_stats;
fd = drm_open_any();
devid = intel_get_drm_devid(fd);
@ -1076,6 +1101,8 @@ igt_main
hw_contexts = gem_has_hw_contexts(fd);
has_reset_stats = gem_has_reset_stats(fd);
close(fd);
igt_require_f(has_reset_stats,
"No reset stats ioctl support. Too old kernel?\n");
}
@ -1089,8 +1116,11 @@ igt_main
current_ring = &rings[i];
name = current_ring->name;
igt_fixture
igt_fixture {
int fd = drm_open_any();
gem_require_ring(fd, current_ring->exec);
close(fd);
}
igt_fixture
igt_require_f(intel_gen(devid) >= 4,
@ -1100,19 +1130,19 @@ igt_main
RUN_CTX_TEST(test_params_ctx());
igt_subtest_f("reset-stats-%s", name)
test_rs(4, 1, 0);
RUN_TEST(test_rs(4, 1, 0));
igt_subtest_f("reset-stats-ctx-%s", name)
RUN_CTX_TEST(test_rs_ctx(4, 4, 1, 2));
igt_subtest_f("ban-%s", name)
test_ban();
RUN_TEST(test_ban());
igt_subtest_f("ban-ctx-%s", name)
RUN_CTX_TEST(test_ban_ctx());
igt_subtest_f("reset-count-%s", name)
test_reset_count(false);
RUN_TEST(test_reset_count(false));
igt_subtest_f("reset-count-ctx-%s", name)
RUN_CTX_TEST(test_reset_count(true));
@ -1120,22 +1150,16 @@ igt_main
igt_subtest_f("unrelated-ctx-%s", name)
RUN_CTX_TEST(test_unrelated_ctx());
igt_subtest_f("close-pending-%s", name) {
test_close_pending();
gem_quiescent_gpu(fd);
}
igt_subtest_f("close-pending-%s", name)
RUN_TEST(test_close_pending());
igt_subtest_f("close-pending-ctx-%s", name) {
igt_subtest_f("close-pending-ctx-%s", name)
RUN_CTX_TEST(test_close_pending_ctx());
gem_quiescent_gpu(fd);
}
igt_subtest_f("close-pending-fork-%s", name) {
test_close_pending_fork(true);
test_close_pending_fork(false);
}
}
igt_subtest_f("close-pending-fork-%s", name)
RUN_TEST(test_close_pending_fork(false));
igt_fixture
close(fd);
igt_subtest_f("close-pending-fork-reverse-%s", name)
RUN_TEST(test_close_pending_fork(true));
}
}