[igt-dev] [PATCH i-g-t 0/3] tests/gem_exec_alignment.c: Update subtests

[igt-dev] [PATCH i-g-t 0/3] tests/gem_exec_alignment.c: Update subtests

[Dominik Grzegorzek]

Changes modify many subtest, and implement priority inversion test
case. Splited into three patches due to code sections shared between 
pi and many subtest. "PATCH i-g-t 1/3 tests/gem_exec_alignment.c: Timeout
alarm wrappers" has no sense without at least one of next patches.

Dominik Grzegorzek (3):
  tests/gem_exec_alignment.c: Timeout alarm wrappers
  tests/gem_exec_alignment.c: Update subtest many
  tests/gem_exec_alignment.c: Add priority inversion

Signed-off-by: Dominik Grzegorzek <dominik.grzegorzek@intel.com>
Cc: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>

 tests/i915/gem_exec_alignment.c | 299 +++++++++++++++++++++++++++++---
 1 file changed, 275 insertions(+), 24 deletions(-)

-- 
2.20.1

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[igt-dev] [PATCH i-g-t 1/3] tests/gem_exec_alignment.c: Timeout alarm wrappers

[Dominik Grzegorzek]

Implementation of timeout functions in gem_exec_alignment.c.

Signed-off-by: Dominik Grzegorzek <dominik.grzegorzek@intel.com>
Cc: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
---
 tests/i915/gem_exec_alignment.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/tests/i915/gem_exec_alignment.c b/tests/i915/gem_exec_alignment.c
index a10571c9..b7c11947 100644
--- a/tests/i915/gem_exec_alignment.c
+++ b/tests/i915/gem_exec_alignment.c
@@ -36,6 +36,7 @@
 #include <errno.h>
 #include <sys/stat.h>
 #include <sys/time.h>
+#include <signal.h>
 #include "drm.h"
 
 IGT_TEST_DESCRIPTION("Exercises the basic execbuffer using object alignments");
@@ -65,6 +66,37 @@ static uint32_t file_max(void)
 	return max;
 }
 
+static bool timed_out;
+static void alignment_alarm_handler(int signal)
+{
+	igt_debug("alignment test timed out!\n");
+	timed_out = true;
+}
+
+static void alignment_set_timeout(unsigned int sec, unsigned int usec)
+{
+	struct sigaction sa = {};
+	struct itimerval itv = {};
+
+	sa.sa_handler = alignment_alarm_handler;
+	sigemptyset(&sa.sa_mask);
+	sa.sa_flags = 0;
+	sigaction(SIGALRM, &sa, NULL);
+
+	timed_out = false;
+	itv.it_value.tv_sec = sec;
+	itv.it_value.tv_usec = usec;
+	setitimer(ITIMER_REAL, &itv, NULL);
+}
+
+static inline void alignment_reset_timeout(void)
+{
+	struct itimerval itv = {};
+
+	sigaction(SIGALRM, NULL, NULL);
+	setitimer(ITIMER_REAL, &itv, NULL);
+}
+
 static void many(int fd)
 {
 	uint32_t bbe = MI_BATCH_BUFFER_END;
-- 
2.20.1

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[igt-dev] [PATCH i-g-t 2/3] tests/gem_exec_alignment.c: Update subtest many

[Dominik Grzegorzek]

Updated subtest many, that was unusable due to the long
time of execution. For that purpose global timeout was added.

Signed-off-by: Dominik Grzegorzek <dominik.grzegorzek@intel.com>
Cc: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
---
 tests/i915/gem_exec_alignment.c | 73 ++++++++++++++++++++++-----------
 1 file changed, 50 insertions(+), 23 deletions(-)

diff --git a/tests/i915/gem_exec_alignment.c b/tests/i915/gem_exec_alignment.c
index b7c11947..44ee137a 100644
--- a/tests/i915/gem_exec_alignment.c
+++ b/tests/i915/gem_exec_alignment.c
@@ -36,9 +36,12 @@
 #include <errno.h>
 #include <sys/stat.h>
 #include <sys/time.h>
+#include <sys/ioctl.h>
 #include <signal.h>
 #include "drm.h"
 
+#define MANY_TIMEOUT 10
+
 IGT_TEST_DESCRIPTION("Exercises the basic execbuffer using object alignments");
 
 static uint32_t find_last_bit(uint64_t x)
@@ -97,13 +100,22 @@ static inline void alignment_reset_timeout(void)
 	setitimer(ITIMER_REAL, &itv, NULL);
 }
 
+static int __execbuf(int fd, struct drm_i915_gem_execbuffer2 *execbuf)
+{
+	int err = 0;
+	if (ioctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, execbuf))
+		err = -errno;
+	return err;
+}
+
 static void many(int fd)
 {
 	uint32_t bbe = MI_BATCH_BUFFER_END;
 	struct drm_i915_gem_exec_object2 *execobj;
 	struct drm_i915_gem_execbuffer2 execbuf;
-	uint64_t gtt_size, ram_size;
-	uint64_t alignment, max_alignment, count, i;
+	uint64_t gtt_size, ram_size, flags;
+	uint64_t alignment, max_alignment, count, max_count, curr_count, i;
+	int ret;
 
 	gtt_size = gem_aperture_size(fd);
 	if (!gem_uses_full_ppgtt(fd))
@@ -118,7 +130,9 @@ static void many(int fd)
 		max_alignment = 4096;
 	else
 		max_alignment = 1ull << (max_alignment - 1);
-	count = gtt_size / max_alignment / 2;
+	max_count = count = gtt_size / max_alignment / 2;
+
+	flags = (gtt_size-1) >> 32 ? 1<<3 : 0; /* EXEC_OBJECT_SUPPORTS_48B_ADDRESS */
 
 	igt_info("gtt_size=%lld MiB, max-alignment=%lld, count=%lld\n",
 		 (long long)gtt_size/1024/1024,
@@ -131,40 +145,53 @@ static void many(int fd)
 
 	for (i = 0; i < count; i++) {
 		execobj[i].handle = gem_create(fd, 4096);
-		if ((gtt_size-1) >> 32)
-			execobj[i].flags = 1<<3; /* EXEC_OBJECT_SUPPORTS_48B_ADDRESS */
+		execobj[i].flags = flags;
 	}
 	execobj[i].handle = gem_create(fd, 4096);
-	if ((gtt_size-1) >> 32)
-		execobj[i].flags = 1<<3; /* EXEC_OBJECT_SUPPORTS_48B_ADDRESS */
+	execobj[i].flags = flags;
 	gem_write(fd, execobj[i].handle, 0, &bbe, sizeof(bbe));
 
+
 	memset(&execbuf, 0, sizeof(execbuf));
 	execbuf.buffers_ptr = to_user_pointer(execobj);
 	execbuf.buffer_count = count + 1;
-	igt_require(__gem_execbuf(fd, &execbuf) == 0);
+	igt_require(__execbuf(fd, &execbuf) == 0);
 
-	for (alignment = 4096; alignment < gtt_size; alignment <<= 1) {
-		for (i = 0; i < count; i++)
-			execobj[i].alignment = alignment;
+	alignment_set_timeout(MANY_TIMEOUT, 0);
+
+	for (alignment = 4096; alignment < gtt_size && !timed_out; alignment <<= 1) {
 		if (alignment > max_alignment) {
 			uint64_t factor = alignment / max_alignment;
-			execbuf.buffer_count = 2*count / factor;
-			execbuf.buffers_ptr =
-				to_user_pointer(execobj + count - execbuf.buffer_count + 1);
+			max_count = 2 * count / factor;
 		}
 
-		igt_debug("testing %lld x alignment=%#llx [%db]\n",
-			  (long long)execbuf.buffer_count - 1,
-			  (long long)alignment,
-			  find_last_bit(alignment)-1);
-		gem_execbuf(fd, &execbuf);
-		for(i = count - execbuf.buffer_count + 1; i < count; i++) {
-			igt_assert_eq_u64(execobj[i].alignment, alignment);
-			igt_assert_eq_u64(execobj[i].offset % alignment, 0);
+		for (i = 0; i < count; i++)
+			execobj[i].alignment = alignment;
+
+		for (curr_count = 1; curr_count < max_count; curr_count <<= 1) {
+
+			execbuf.buffer_count = curr_count;
+			execbuf.buffers_ptr =
+					to_user_pointer(execobj + count - execbuf.buffer_count + 1);
+
+			igt_debug("testing %lld x alignment=%#llx [%db]\n",
+				  (long long)execbuf.buffer_count,
+				  (long long)alignment,
+				  find_last_bit(alignment)-1);
+			ret = __execbuf(fd, &execbuf);
+
+			if (timed_out)
+				break;
+
+			igt_assert_eq(ret, 0);
+
+			for (i = count - execbuf.buffer_count + 1; i < count; i++) {
+				igt_assert_eq_u64(execobj[i].alignment, alignment);
+				igt_assert_eq_u64(execobj[i].offset % alignment, 0);
+			}
 		}
 	}
-
+	alignment_reset_timeout();
 	for (i = 0; i < count; i++)
 		gem_close(fd, execobj[i].handle);
 	gem_close(fd, execobj[i].handle);
-- 
2.20.1

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[igt-dev] [PATCH i-g-t 3/3] tests/gem_exec_alignment.c: Add priority inversion

[Dominik Grzegorzek]

Priority inversion test case was implemented, which can point out
that a low priority client causes a delay of a high priority client.

Signed-off-by: Dominik Grzegorzek <dominik.grzegorzek@intel.com>
Cc: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
---
 tests/i915/gem_exec_alignment.c | 194 +++++++++++++++++++++++++++++++-
 1 file changed, 193 insertions(+), 1 deletion(-)

diff --git a/tests/i915/gem_exec_alignment.c b/tests/i915/gem_exec_alignment.c
index 44ee137a..a5f50d2f 100644
--- a/tests/i915/gem_exec_alignment.c
+++ b/tests/i915/gem_exec_alignment.c
@@ -38,7 +38,9 @@
 #include <sys/time.h>
 #include <sys/ioctl.h>
 #include <signal.h>
+#include <sched.h>
 #include "drm.h"
+#include "semaphore.h"
 
 #define MANY_TIMEOUT 10
 
@@ -108,6 +110,195 @@ static int __execbuf(int fd, struct drm_i915_gem_execbuffer2 *execbuf)
 	return err;
 }
 
+static void prio_inversion(int fd)
+{
+	uint32_t bbe = MI_BATCH_BUFFER_END;
+	struct drm_i915_gem_exec_object2 *execobj, *execobj_hp;
+	struct drm_i915_gem_execbuffer2 execbuf;
+	struct timespec begin, now, timeout;
+	uint64_t gtt_size, ram_size, flags;
+	uint64_t alignment, max_alignment, count, max_count, curr_count, i;
+	uint32_t lp, hp, zero = 0, *res, ret;
+	volatile uint32_t *result;
+	double time, time_lp;
+	sem_t *sem;
+
+	/*
+	 * First low priority client create mass of holes in their
+	 * own address space, then launch a batch with oodles of object with
+	 * alignment that doesn't match previous one. While lp execbufer
+	 * is performing we want to start high priority task
+	 * and we expect it will not be blocked.
+	 */
+
+	igt_require(gem_uses_full_ppgtt(fd));
+	igt_require(gem_scheduler_enabled(fd));
+	igt_require(gem_scheduler_has_ctx_priority(fd));
+
+	/* Using two pointers to avoid warnings about volatile discarding. */
+	result = res = mmap(NULL, 4096, PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+	memset(res, 0, 4096);
+	igt_assert(result != MAP_FAILED);
+
+	memset(&execbuf, 0, sizeof(execbuf));
+
+	/* Calc number of objects */
+	gtt_size = gem_aperture_size(fd); /* We have to *share* our GTT! */
+	ram_size = intel_get_total_ram_mb();
+	ram_size *= 1024 * 1024;
+	count = ram_size / 4096;
+
+	if (count > file_max()) /* vfs cap */
+		count = file_max();
+	max_alignment = find_last_bit(gtt_size / count);
+	if (max_alignment <= 13)
+		max_alignment = 4096;
+	else
+		max_alignment = 1ull << (max_alignment - 1);
+	max_count = count = gtt_size / max_alignment / 2;
+
+	flags = (gtt_size-1) >> 32 ? 1<<3 : 0; /* EXEC_OBJECT_SUPPORTS_48B_ADDRESS */
+
+	execobj = calloc(sizeof(*execobj), count + 1);
+	igt_assert(execobj);
+
+	execobj_hp = calloc(sizeof(*execobj_hp), 1);
+	igt_assert(execobj_hp);
+
+	/* Fill the low-priority address space */
+	for (i = 0; i < count; i++) {
+		execobj[i].handle = gem_create(fd, 4096);
+		gem_write(fd, execobj[i].handle, 0, &zero, sizeof(zero));
+		execobj[i].flags = flags;
+		execobj[i].alignment = 4096;
+	}
+	execobj[i].handle = gem_create(fd, 4096);
+	execobj[i].alignment = 4096;
+	execobj[i].flags = flags;
+
+	gem_write(fd, execobj[i].handle, 0, &bbe, sizeof(bbe));
+	memset(&execbuf, 0, sizeof(execbuf));
+	execbuf.buffers_ptr = to_user_pointer(execobj + count);
+	execbuf.buffer_count = 1;
+
+	/* Warm up both (hi/lo) contexts */
+	hp = execbuf.rsvd1 = gem_context_create(fd);
+	gem_context_set_priority(fd, execbuf.rsvd1,
+				 I915_CONTEXT_MAX_USER_PRIORITY);
+	gem_execbuf(fd, &execbuf);
+	gem_sync(fd, execobj[i].handle);
+
+	/*
+	 * Creating a mess in address space using slow fragmentation loop
+	 * to consume 5s. LP task uses the same objects with next alignment up.
+	 */
+
+	lp = execbuf.rsvd1 = gem_context_create(fd);
+	gem_context_set_priority(fd, execbuf.rsvd1,
+				 I915_CONTEXT_MIN_USER_PRIORITY);
+
+	memset(&timeout, 0, sizeof(struct timespec));
+	for (alignment = 8192; alignment < gtt_size && igt_seconds_elapsed(&timeout) < 5; alignment <<= 1) {
+		if (alignment > max_alignment) {
+			uint64_t factor = alignment / max_alignment;
+			max_count = 2 * count / factor;
+		}
+
+		for (i = 0; i < count; i++)
+			execobj[i].alignment = alignment;
+
+		for (curr_count = 1; curr_count < max_count; curr_count <<= 1) {
+			execbuf.buffer_count = curr_count;
+			execbuf.buffers_ptr =
+			    to_user_pointer(execobj + count - execbuf.buffer_count + 1);
+
+			gem_execbuf(fd, &execbuf);
+			gem_sync(fd, execobj[count].handle);
+			if (igt_seconds_elapsed(&timeout) >= 5)
+				break;
+		}
+	}
+	igt_debug("Low priority address space fragmentation done.\n");
+
+	igt_debug("Starting quiescent\n");
+	gem_quiescent_gpu(fd);
+	igt_debug("Ending quiescent\n");
+
+	for (i = 0; i <= count; i++)
+		execobj[i].alignment = alignment;
+
+	sem = sem_open("test_semaphore", O_CREAT|O_EXCL, 0, 1);
+	sem_unlink("test_semaphore");
+	sem_wait(sem);
+
+	igt_fork(child, 1) {
+		igt_debug("[H] In fork\n");
+		memset(&execbuf, 0, sizeof(execbuf));
+		execobj_hp[0].handle = gem_create(fd, 4096);
+		igt_debug("[H] After create\n");
+
+		gem_write(fd, execobj_hp[0].handle, 0, &bbe, sizeof(bbe));
+		result[0] = hp != execbuf.rsvd1;
+
+		execbuf.rsvd1 = hp;
+		execbuf.buffer_count = 1;
+		execbuf.buffers_ptr =
+		    to_user_pointer(execobj_hp);
+
+		/* Child sleeps waiting for hp task to start. */
+		sem_wait(sem);
+		sched_yield();
+		sem_post(sem);
+
+		usleep(50000);
+		clock_gettime(CLOCK_MONOTONIC, &begin);
+		igt_debug("[H] HP child executing\n");
+		gem_execbuf(fd, &execbuf);
+		igt_debug("[H] HP exec submitted\n");
+		gem_sync(fd, execobj_hp[0].handle);
+		clock_gettime(CLOCK_MONOTONIC, &now);
+		igt_debug("[H] HP sync\n");
+
+		time = igt_time_elapsed(&begin, &now);
+		igt_debug("[H] HP exec performed in %.6fs\n", time);
+		result[1] = time < 0.001;
+		gem_close(fd, execobj_hp[0].handle);
+	}
+
+	/* Relinquish CPU just to allow child to create a context */
+	sleep(1);
+	igt_assert_f(result[0], "HP context (child) not created\n");
+
+	execbuf.rsvd1 = lp;
+	execbuf.buffer_count = curr_count;
+	execbuf.buffers_ptr =
+	    to_user_pointer(execobj + count - execbuf.buffer_count + 1);
+
+	igt_debug("[L] LP parent executing\n");
+	clock_gettime(CLOCK_MONOTONIC, &begin);
+
+	alignment_set_timeout(0, 100000);
+	sem_post(sem);
+	gem_execbuf(fd, &execbuf);
+	gem_sync(fd, execobj[count].handle);
+	alignment_reset_timeout();
+
+	clock_gettime(CLOCK_MONOTONIC, &now);
+	time_lp = igt_time_elapsed(&begin, &now);
+	igt_debug("[L] LP exec performed in %.6fs\n", time_lp);
+
+	igt_waitchildren();
+	igt_assert_f(result[1], "HP child unable to submit within 10ms\n");
+
+	gem_context_destroy(fd, lp);
+	gem_context_destroy(fd, hp);
+
+	for (i = 0; i <= count; i++)
+		gem_close(fd, execobj[i].handle);
+
+	munmap(res, 4096);
+}
+
 static void many(int fd)
 {
 	uint32_t bbe = MI_BATCH_BUFFER_END;
@@ -267,5 +458,6 @@ igt_main
 		single(fd);
 	igt_subtest("many")
 		many(fd);
-
+	igt_subtest("pi")
+		prio_inversion(fd);
 }
-- 
2.20.1

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[igt-dev] ✗ GitLab.Pipeline: failure for tests/gem_exec_alignment.c: Update subtests (rev2)

[Patchwork]

== Series Details ==

Series: tests/gem_exec_alignment.c: Update subtests (rev2)
URL   : https://patchwork.freedesktop.org/series/74633/
State : failure

== Summary ==

ERROR! This series introduces new undocumented tests:

gem_exec_alignment@pi

Can you document them as per the requirement in the [CONTRIBUTING.md]?

[Documentation] has more details on how to do this.

Here are few examples:
https://gitlab.freedesktop.org/drm/igt-gpu-tools/commit/0316695d03aa46108296b27f3982ec93200c7a6e
https://gitlab.freedesktop.org/drm/igt-gpu-tools/commit/443cc658e1e6b492ee17bf4f4d891029eb7a205d

Thanks in advance!

[CONTRIBUTING.md]: https://gitlab.freedesktop.org/drm/igt-gpu-tools/blob/master/CONTRIBUTING.md#L19
[Documentation]: https://drm.pages.freedesktop.org/igt-gpu-tools/igt-gpu-tools-Core.html#igt-describe

Other than that, pipeline status: SUCCESS.

see https://gitlab.freedesktop.org/gfx-ci/igt-ci-tags/pipelines/120170 for the overview.

== Logs ==

For more details see: https://gitlab.freedesktop.org/gfx-ci/igt-ci-tags/pipelines/120170
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[igt-dev] ✓ Fi.CI.BAT: success for tests/gem_exec_alignment.c: Update subtests (rev2)

[Patchwork]

== Series Details ==

Series: tests/gem_exec_alignment.c: Update subtests (rev2)
URL   : https://patchwork.freedesktop.org/series/74633/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_8137 -> IGTPW_4309
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/index.html

Known issues
------------

  Here are the changes found in IGTPW_4309 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@kms_chamelium@common-hpd-after-suspend:
    - fi-icl-u2:          [PASS][1] -> [FAIL][2] ([i915#217])
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/fi-icl-u2/igt@kms_chamelium@common-hpd-after-suspend.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/fi-icl-u2/igt@kms_chamelium@common-hpd-after-suspend.html

  
#### Possible fixes ####

  * igt@gem_exec_suspend@basic-s4-devices:
    - fi-tgl-y:           [FAIL][3] ([CI#94]) -> [PASS][4]
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/fi-tgl-y/igt@gem_exec_suspend@basic-s4-devices.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/fi-tgl-y/igt@gem_exec_suspend@basic-s4-devices.html

  * igt@kms_chamelium@hdmi-hpd-fast:
    - fi-kbl-7500u:       [FAIL][5] ([i915#323]) -> [PASS][6]
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html

  
  [CI#94]: https://gitlab.freedesktop.org/gfx-ci/i915-infra/issues/94
  [i915#217]: https://gitlab.freedesktop.org/drm/intel/issues/217
  [i915#323]: https://gitlab.freedesktop.org/drm/intel/issues/323


Participating hosts (48 -> 44)
------------------------------

  Additional (1): fi-tgl-dsi 
  Missing    (5): fi-hsw-4200u fi-byt-squawks fi-bsw-cyan fi-byt-clapper fi-bdw-samus 


Build changes
-------------

  * CI: CI-20190529 -> None
  * IGT: IGT_5510 -> IGTPW_4309

  CI-20190529: 20190529
  CI_DRM_8137: 5786b5e77cc17a1b494b9bdf3c3f29eedc2e2e7d @ git://anongit.freedesktop.org/gfx-ci/linux
  IGTPW_4309: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/index.html
  IGT_5510: e100092d50105463f58db531fa953c70cc58bb10 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools



== Testlist changes ==

+igt@gem_exec_alignment@pi

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/index.html
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[igt-dev] ✗ Fi.CI.IGT: failure for tests/gem_exec_alignment.c: Update subtests (rev2)

[Patchwork]

== Series Details ==

Series: tests/gem_exec_alignment.c: Update subtests (rev2)
URL   : https://patchwork.freedesktop.org/series/74633/
State : failure

== Summary ==

CI Bug Log - changes from CI_DRM_8137_full -> IGTPW_4309_full
====================================================

Summary
-------

  **FAILURE**

  Serious unknown changes coming with IGTPW_4309_full absolutely need to be
  verified manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in IGTPW_4309_full, please notify your bug team to allow them
  to document this new failure mode, which will reduce false positives in CI.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/index.html

Possible new issues
-------------------

  Here are the unknown changes that may have been introduced in IGTPW_4309_full:

### IGT changes ###

#### Possible regressions ####

  * igt@gem_ctx_exec@basic-nohangcheck:
    - shard-tglb:         NOTRUN -> [SKIP][1] +1 similar issue
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-tglb2/igt@gem_ctx_exec@basic-nohangcheck.html

  * igt@gem_ctx_shared@single-timeline:
    - shard-snb:          NOTRUN -> [FAIL][2]
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-snb6/igt@gem_ctx_shared@single-timeline.html
    - shard-hsw:          NOTRUN -> [FAIL][3]
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-hsw2/igt@gem_ctx_shared@single-timeline.html

  * igt@gem_eio@wait-immediate:
    - shard-tglb:         [PASS][4] -> [SKIP][5] +5 similar issues
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-tglb5/igt@gem_eio@wait-immediate.html
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-tglb2/igt@gem_eio@wait-immediate.html

  * igt@gem_exec_parallel@rcs0-fds:
    - shard-hsw:          [PASS][6] -> [FAIL][7] +2 similar issues
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-hsw5/igt@gem_exec_parallel@rcs0-fds.html
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-hsw1/igt@gem_exec_parallel@rcs0-fds.html

  * igt@gem_exec_schedule@preempt-queue-contexts-chain-blt:
    - shard-tglb:         [PASS][8] -> [FAIL][9] +3 similar issues
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-tglb2/igt@gem_exec_schedule@preempt-queue-contexts-chain-blt.html
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-tglb2/igt@gem_exec_schedule@preempt-queue-contexts-chain-blt.html
    - shard-iclb:         [PASS][10] -> [FAIL][11] +2 similar issues
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb7/igt@gem_exec_schedule@preempt-queue-contexts-chain-blt.html
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb4/igt@gem_exec_schedule@preempt-queue-contexts-chain-blt.html

  * igt@gem_ringfill@basic-default-hang:
    - shard-iclb:         [PASS][12] -> [SKIP][13] +6 similar issues
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb4/igt@gem_ringfill@basic-default-hang.html
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb4/igt@gem_ringfill@basic-default-hang.html

  * igt@gem_set_tiling_vs_blt@tiled-to-untiled:
    - shard-apl:          [PASS][14] -> [FAIL][15] +1 similar issue
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-apl6/igt@gem_set_tiling_vs_blt@tiled-to-untiled.html
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-apl1/igt@gem_set_tiling_vs_blt@tiled-to-untiled.html
    - shard-glk:          [PASS][16] -> [FAIL][17] +1 similar issue
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-glk4/igt@gem_set_tiling_vs_blt@tiled-to-untiled.html
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-glk3/igt@gem_set_tiling_vs_blt@tiled-to-untiled.html
    - shard-kbl:          [PASS][18] -> [FAIL][19]
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-kbl2/igt@gem_set_tiling_vs_blt@tiled-to-untiled.html
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-kbl1/igt@gem_set_tiling_vs_blt@tiled-to-untiled.html

  * igt@kms_flip@modeset-vs-vblank-race-interruptible:
    - shard-kbl:          [PASS][20] -> [INCOMPLETE][21]
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-kbl7/igt@kms_flip@modeset-vs-vblank-race-interruptible.html
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-kbl2/igt@kms_flip@modeset-vs-vblank-race-interruptible.html

  
#### Warnings ####

  * igt@gem_exec_schedule@preempt-queue-contexts-bsd1:
    - shard-iclb:         [SKIP][22] ([fdo#109276]) -> [FAIL][23]
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb8/igt@gem_exec_schedule@preempt-queue-contexts-bsd1.html
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb4/igt@gem_exec_schedule@preempt-queue-contexts-bsd1.html

  
New tests
---------

  New tests have been introduced between CI_DRM_8137_full and IGTPW_4309_full:

### New IGT tests (10) ###

  * igt@sysfs_heartbeat_interval@idempotent:
    - Statuses :
    - Exec time: [None] s

  * igt@sysfs_heartbeat_interval@invalid:
    - Statuses :
    - Exec time: [None] s

  * igt@sysfs_heartbeat_interval@nopreempt:
    - Statuses :
    - Exec time: [None] s

  * igt@sysfs_heartbeat_interval@off:
    - Statuses :
    - Exec time: [None] s

  * igt@sysfs_heartbeat_interval@precise:
    - Statuses :
    - Exec time: [None] s

  * igt@sysfs_preempt_timeout@idempotent:
    - Statuses :
    - Exec time: [None] s

  * igt@sysfs_preempt_timeout@invalid:
    - Statuses :
    - Exec time: [None] s

  * igt@sysfs_timeslice_duration@duration:
    - Statuses :
    - Exec time: [None] s

  * igt@sysfs_timeslice_duration@idempotent:
    - Statuses :
    - Exec time: [None] s

  * igt@sysfs_timeslice_duration@timeout:
    - Statuses :
    - Exec time: [None] s

  

Known issues
------------

  Here are the changes found in IGTPW_4309_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_ctx_isolation@vcs1-reset:
    - shard-kbl:          [PASS][24] -> [SKIP][25] ([fdo#109271] / [fdo#112080])
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-kbl1/igt@gem_ctx_isolation@vcs1-reset.html
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-kbl4/igt@gem_ctx_isolation@vcs1-reset.html
    - shard-tglb:         [PASS][26] -> [SKIP][27] ([fdo#112080])
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-tglb5/igt@gem_ctx_isolation@vcs1-reset.html
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-tglb2/igt@gem_ctx_isolation@vcs1-reset.html

  * igt@gem_ctx_persistence@close-replace-race:
    - shard-kbl:          [PASS][28] -> [INCOMPLETE][29] ([i915#1402])
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-kbl6/igt@gem_ctx_persistence@close-replace-race.html
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-kbl7/igt@gem_ctx_persistence@close-replace-race.html
    - shard-iclb:         [PASS][30] -> [INCOMPLETE][31] ([i915#1402])
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb8/igt@gem_ctx_persistence@close-replace-race.html
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb3/igt@gem_ctx_persistence@close-replace-race.html
    - shard-glk:          [PASS][32] -> [INCOMPLETE][33] ([i915#1402] / [i915#58] / [k.org#198133])
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-glk3/igt@gem_ctx_persistence@close-replace-race.html
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-glk1/igt@gem_ctx_persistence@close-replace-race.html

  * igt@gem_ctx_shared@exec-single-timeline-bsd:
    - shard-iclb:         [PASS][34] -> [SKIP][35] ([fdo#110841])
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb5/igt@gem_ctx_shared@exec-single-timeline-bsd.html
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb1/igt@gem_ctx_shared@exec-single-timeline-bsd.html

  * igt@gem_eio@unwedge-stress:
    - shard-glk:          [PASS][36] -> [SKIP][37] ([fdo#109271]) +8 similar issues
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-glk3/igt@gem_eio@unwedge-stress.html
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-glk4/igt@gem_eio@unwedge-stress.html

  * igt@gem_exec_schedule@implicit-both-bsd:
    - shard-iclb:         [PASS][38] -> [SKIP][39] ([i915#677])
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb6/igt@gem_exec_schedule@implicit-both-bsd.html
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb1/igt@gem_exec_schedule@implicit-both-bsd.html

  * igt@gem_exec_schedule@implicit-both-bsd1:
    - shard-iclb:         [PASS][40] -> [SKIP][41] ([fdo#109276] / [i915#677]) +1 similar issue
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb4/igt@gem_exec_schedule@implicit-both-bsd1.html
   [41]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb3/igt@gem_exec_schedule@implicit-both-bsd1.html

  * igt@gem_exec_schedule@preempt-queue-contexts-bsd1:
    - shard-kbl:          [PASS][42] -> [FAIL][43] ([fdo#112118]) +2 similar issues
   [42]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-kbl1/igt@gem_exec_schedule@preempt-queue-contexts-bsd1.html
   [43]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-kbl4/igt@gem_exec_schedule@preempt-queue-contexts-bsd1.html

  * igt@gem_exec_schedule@preempt-queue-contexts-chain-blt:
    - shard-apl:          [PASS][44] -> [FAIL][45] ([fdo#112118]) +1 similar issue
   [44]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-apl1/igt@gem_exec_schedule@preempt-queue-contexts-chain-blt.html
   [45]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-apl3/igt@gem_exec_schedule@preempt-queue-contexts-chain-blt.html
    - shard-glk:          [PASS][46] -> [FAIL][47] ([fdo#112118])
   [46]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-glk3/igt@gem_exec_schedule@preempt-queue-contexts-chain-blt.html
   [47]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-glk4/igt@gem_exec_schedule@preempt-queue-contexts-chain-blt.html

  * igt@gem_exec_schedule@preemptive-hang-render:
    - shard-kbl:          [PASS][48] -> [SKIP][49] ([fdo#109271]) +9 similar issues
   [48]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-kbl1/igt@gem_exec_schedule@preemptive-hang-render.html
   [49]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-kbl4/igt@gem_exec_schedule@preemptive-hang-render.html

  * igt@gem_exec_schedule@wide-bsd:
    - shard-iclb:         [PASS][50] -> [SKIP][51] ([fdo#112146]) +5 similar issues
   [50]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb8/igt@gem_exec_schedule@wide-bsd.html
   [51]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb1/igt@gem_exec_schedule@wide-bsd.html

  * igt@gem_ppgtt@flink-and-close-vma-leak:
    - shard-glk:          [PASS][52] -> [FAIL][53] ([i915#644])
   [52]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-glk9/igt@gem_ppgtt@flink-and-close-vma-leak.html
   [53]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-glk9/igt@gem_ppgtt@flink-and-close-vma-leak.html

  * igt@gem_userptr_blits@dmabuf-unsync:
    - shard-snb:          [PASS][54] -> [DMESG-WARN][55] ([fdo#110789] / [fdo#111870] / [i915#478])
   [54]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-snb6/igt@gem_userptr_blits@dmabuf-unsync.html
   [55]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-snb5/igt@gem_userptr_blits@dmabuf-unsync.html

  * igt@gem_workarounds@suspend-resume:
    - shard-apl:          [PASS][56] -> [DMESG-WARN][57] ([i915#180]) +1 similar issue
   [56]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-apl8/igt@gem_workarounds@suspend-resume.html
   [57]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-apl4/igt@gem_workarounds@suspend-resume.html

  * igt@gen9_exec_parse@allowed-all:
    - shard-glk:          [PASS][58] -> [DMESG-WARN][59] ([i915#716])
   [58]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-glk2/igt@gen9_exec_parse@allowed-all.html
   [59]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-glk3/igt@gen9_exec_parse@allowed-all.html

  * igt@i915_suspend@sysfs-reader:
    - shard-kbl:          [PASS][60] -> [INCOMPLETE][61] ([CI#80])
   [60]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-kbl4/igt@i915_suspend@sysfs-reader.html
   [61]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-kbl3/igt@i915_suspend@sysfs-reader.html

  * igt@kms_cursor_crc@pipe-a-cursor-256x85-onscreen:
    - shard-apl:          [PASS][62] -> [FAIL][63] ([i915#54])
   [62]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-apl3/igt@kms_cursor_crc@pipe-a-cursor-256x85-onscreen.html
   [63]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-apl7/igt@kms_cursor_crc@pipe-a-cursor-256x85-onscreen.html

  * igt@kms_cursor_crc@pipe-b-cursor-64x21-random:
    - shard-glk:          [PASS][64] -> [FAIL][65] ([i915#54])
   [64]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-glk3/igt@kms_cursor_crc@pipe-b-cursor-64x21-random.html
   [65]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-glk6/igt@kms_cursor_crc@pipe-b-cursor-64x21-random.html
    - shard-kbl:          [PASS][66] -> [FAIL][67] ([i915#54]) +1 similar issue
   [66]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-kbl6/igt@kms_cursor_crc@pipe-b-cursor-64x21-random.html
   [67]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-kbl1/igt@kms_cursor_crc@pipe-b-cursor-64x21-random.html

  * igt@kms_flip@flip-vs-expired-vblank-interruptible:
    - shard-glk:          [PASS][68] -> [FAIL][69] ([i915#79])
   [68]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-glk6/igt@kms_flip@flip-vs-expired-vblank-interruptible.html
   [69]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-glk7/igt@kms_flip@flip-vs-expired-vblank-interruptible.html

  * igt@kms_flip@modeset-vs-vblank-race-interruptible:
    - shard-apl:          [PASS][70] -> [INCOMPLETE][71] ([fdo#103927])
   [70]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-apl4/igt@kms_flip@modeset-vs-vblank-race-interruptible.html
   [71]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-apl8/igt@kms_flip@modeset-vs-vblank-race-interruptible.html

  * igt@kms_pipe_crc_basic@hang-read-crc-pipe-c:
    - shard-apl:          [PASS][72] -> [SKIP][73] ([fdo#109271]) +6 similar issues
   [72]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-apl4/igt@kms_pipe_crc_basic@hang-read-crc-pipe-c.html
   [73]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-apl3/igt@kms_pipe_crc_basic@hang-read-crc-pipe-c.html

  * igt@kms_plane@plane-panning-bottom-right-suspend-pipe-b-planes:
    - shard-kbl:          [PASS][74] -> [DMESG-WARN][75] ([i915#180]) +1 similar issue
   [74]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-kbl7/igt@kms_plane@plane-panning-bottom-right-suspend-pipe-b-planes.html
   [75]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-kbl7/igt@kms_plane@plane-panning-bottom-right-suspend-pipe-b-planes.html

  * igt@kms_psr@psr2_sprite_plane_move:
    - shard-iclb:         [PASS][76] -> [SKIP][77] ([fdo#109441]) +2 similar issues
   [76]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb2/igt@kms_psr@psr2_sprite_plane_move.html
   [77]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb5/igt@kms_psr@psr2_sprite_plane_move.html

  * igt@kms_setmode@basic:
    - shard-kbl:          [PASS][78] -> [FAIL][79] ([i915#31])
   [78]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-kbl7/igt@kms_setmode@basic.html
   [79]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-kbl1/igt@kms_setmode@basic.html

  * igt@kms_vblank@pipe-a-ts-continuation-dpms-rpm:
    - shard-tglb:         [PASS][80] -> [SKIP][81] ([fdo#112015]) +3 similar issues
   [80]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-tglb7/igt@kms_vblank@pipe-a-ts-continuation-dpms-rpm.html
   [81]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-tglb5/igt@kms_vblank@pipe-a-ts-continuation-dpms-rpm.html

  * igt@kms_vblank@pipe-c-query-idle-hang:
    - shard-iclb:         [PASS][82] -> [SKIP][83] ([fdo#109278]) +2 similar issues
   [82]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb4/igt@kms_vblank@pipe-c-query-idle-hang.html
   [83]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb4/igt@kms_vblank@pipe-c-query-idle-hang.html

  * igt@perf_pmu@init-busy-vcs1:
    - shard-iclb:         [PASS][84] -> [SKIP][85] ([fdo#112080]) +7 similar issues
   [84]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb1/igt@perf_pmu@init-busy-vcs1.html
   [85]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb6/igt@perf_pmu@init-busy-vcs1.html

  * igt@prime_vgem@fence-wait-bsd2:
    - shard-iclb:         [PASS][86] -> [SKIP][87] ([fdo#109276]) +17 similar issues
   [86]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb1/igt@prime_vgem@fence-wait-bsd2.html
   [87]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb3/igt@prime_vgem@fence-wait-bsd2.html

  
#### Possible fixes ####

  * igt@gem_eio@in-flight-contexts-1us:
    - shard-hsw:          [TIMEOUT][88] -> [PASS][89]
   [88]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-hsw1/igt@gem_eio@in-flight-contexts-1us.html
   [89]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-hsw6/igt@gem_eio@in-flight-contexts-1us.html

  * igt@gem_exec_parallel@bcs0-fds:
    - shard-apl:          [FAIL][90] -> [PASS][91]
   [90]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-apl6/igt@gem_exec_parallel@bcs0-fds.html
   [91]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-apl3/igt@gem_exec_parallel@bcs0-fds.html
    - shard-iclb:         [FAIL][92] -> [PASS][93]
   [92]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb2/igt@gem_exec_parallel@bcs0-fds.html
   [93]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb5/igt@gem_exec_parallel@bcs0-fds.html
    - shard-tglb:         [FAIL][94] -> [PASS][95]
   [94]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-tglb3/igt@gem_exec_parallel@bcs0-fds.html
   [95]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-tglb3/igt@gem_exec_parallel@bcs0-fds.html
    - shard-glk:          [FAIL][96] -> [PASS][97]
   [96]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-glk8/igt@gem_exec_parallel@bcs0-fds.html
   [97]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-glk2/igt@gem_exec_parallel@bcs0-fds.html

  * igt@gem_exec_schedule@implicit-read-write-bsd2:
    - shard-iclb:         [SKIP][98] ([fdo#109276] / [i915#677]) -> [PASS][99] +1 similar issue
   [98]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb8/igt@gem_exec_schedule@implicit-read-write-bsd2.html
   [99]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb4/igt@gem_exec_schedule@implicit-read-write-bsd2.html

  * igt@gem_exec_schedule@out-order-bsd2:
    - shard-iclb:         [SKIP][100] ([fdo#109276]) -> [PASS][101] +16 similar issues
   [100]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb5/igt@gem_exec_schedule@out-order-bsd2.html
   [101]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb4/igt@gem_exec_schedule@out-order-bsd2.html

  * igt@gem_exec_schedule@pi-distinct-iova-bsd:
    - shard-iclb:         [SKIP][102] ([i915#677]) -> [PASS][103] +3 similar issues
   [102]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb1/igt@gem_exec_schedule@pi-distinct-iova-bsd.html
   [103]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb6/igt@gem_exec_schedule@pi-distinct-iova-bsd.html

  * igt@gem_exec_schedule@preempt-hang-render:
    - shard-apl:          [SKIP][104] ([fdo#109271]) -> [PASS][105]
   [104]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-apl6/igt@gem_exec_schedule@preempt-hang-render.html
   [105]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-apl7/igt@gem_exec_schedule@preempt-hang-render.html
    - shard-glk:          [SKIP][106] ([fdo#109271]) -> [PASS][107] +1 similar issue
   [106]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-glk8/igt@gem_exec_schedule@preempt-hang-render.html
   [107]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-glk6/igt@gem_exec_schedule@preempt-hang-render.html
    - shard-iclb:         [SKIP][108] -> [PASS][109]
   [108]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb2/igt@gem_exec_schedule@preempt-hang-render.html
   [109]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb7/igt@gem_exec_schedule@preempt-hang-render.html
    - shard-tglb:         [SKIP][110] -> [PASS][111]
   [110]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-tglb3/igt@gem_exec_schedule@preempt-hang-render.html
   [111]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-tglb3/igt@gem_exec_schedule@preempt-hang-render.html
    - shard-kbl:          [SKIP][112] ([fdo#109271]) -> [PASS][113]
   [112]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-kbl7/igt@gem_exec_schedule@preempt-hang-render.html
   [113]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-kbl1/igt@gem_exec_schedule@preempt-hang-render.html

  * igt@gem_exec_schedule@reorder-wide-bsd:
    - shard-iclb:         [SKIP][114] ([fdo#112146]) -> [PASS][115] +5 similar issues
   [114]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb2/igt@gem_exec_schedule@reorder-wide-bsd.html
   [115]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb5/igt@gem_exec_schedule@reorder-wide-bsd.html

  * igt@i915_pm_dc@dc5-dpms:
    - shard-iclb:         [FAIL][116] ([i915#447]) -> [PASS][117]
   [116]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb3/igt@i915_pm_dc@dc5-dpms.html
   [117]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb8/igt@i915_pm_dc@dc5-dpms.html

  * igt@i915_pm_rpm@system-suspend-devices:
    - shard-iclb:         [SKIP][118] ([i915#1316]) -> [PASS][119]
   [118]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb1/igt@i915_pm_rpm@system-suspend-devices.html
   [119]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb8/igt@i915_pm_rpm@system-suspend-devices.html
    - shard-hsw:          [SKIP][120] ([fdo#109271]) -> [PASS][121]
   [120]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-hsw4/igt@i915_pm_rpm@system-suspend-devices.html
   [121]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-hsw5/igt@i915_pm_rpm@system-suspend-devices.html
    - shard-tglb:         [SKIP][122] ([i915#1316]) -> [PASS][123]
   [122]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-tglb6/igt@i915_pm_rpm@system-suspend-devices.html
   [123]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-tglb2/igt@i915_pm_rpm@system-suspend-devices.html

  * igt@kms_cursor_legacy@2x-long-flip-vs-cursor-legacy:
    - shard-glk:          [FAIL][124] ([i915#72]) -> [PASS][125]
   [124]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-glk1/igt@kms_cursor_legacy@2x-long-flip-vs-cursor-legacy.html
   [125]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-glk4/igt@kms_cursor_legacy@2x-long-flip-vs-cursor-legacy.html

  * igt@kms_flip@flip-vs-suspend:
    - shard-hsw:          [INCOMPLETE][126] ([i915#61]) -> [PASS][127]
   [126]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-hsw4/igt@kms_flip@flip-vs-suspend.html
   [127]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-hsw5/igt@kms_flip@flip-vs-suspend.html
    - shard-kbl:          [DMESG-WARN][128] ([i915#180]) -> [PASS][129] +1 similar issue
   [128]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-kbl7/igt@kms_flip@flip-vs-suspend.html
   [129]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-kbl4/igt@kms_flip@flip-vs-suspend.html

  * igt@kms_frontbuffer_tracking@fbc-1p-primscrn-cur-indfb-draw-render:
    - shard-kbl:          [FAIL][130] ([i915#49]) -> [PASS][131]
   [130]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-kbl2/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-cur-indfb-draw-render.html
   [131]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-kbl3/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-cur-indfb-draw-render.html
    - shard-glk:          [FAIL][132] ([i915#49]) -> [PASS][133]
   [132]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-glk2/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-cur-indfb-draw-render.html
   [133]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-glk6/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-cur-indfb-draw-render.html
    - shard-apl:          [FAIL][134] ([i915#49]) -> [PASS][135]
   [134]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-apl6/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-cur-indfb-draw-render.html
   [135]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-apl6/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-cur-indfb-draw-render.html

  * igt@kms_plane@plane-panning-bottom-right-suspend-pipe-c-planes:
    - shard-apl:          [DMESG-WARN][136] ([i915#180]) -> [PASS][137] +1 similar issue
   [136]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-apl6/igt@kms_plane@plane-panning-bottom-right-suspend-pipe-c-planes.html
   [137]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-apl8/igt@kms_plane@plane-panning-bottom-right-suspend-pipe-c-planes.html

  * igt@kms_psr2_su@page_flip:
    - shard-iclb:         [SKIP][138] ([fdo#109642] / [fdo#111068]) -> [PASS][139]
   [138]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb1/igt@kms_psr2_su@page_flip.html
   [139]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb2/igt@kms_psr2_su@page_flip.html

  * igt@kms_psr@psr2_basic:
    - shard-iclb:         [SKIP][140] ([fdo#109441]) -> [PASS][141]
   [140]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb7/igt@kms_psr@psr2_basic.html
   [141]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb2/igt@kms_psr@psr2_basic.html

  * igt@kms_vblank@pipe-d-ts-continuation-modeset-hang:
    - shard-tglb:         [SKIP][142] ([fdo#112015]) -> [PASS][143]
   [142]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-tglb3/igt@kms_vblank@pipe-d-ts-continuation-modeset-hang.html
   [143]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-tglb3/igt@kms_vblank@pipe-d-ts-continuation-modeset-hang.html

  * igt@perf_pmu@busy-vcs1:
    - shard-iclb:         [SKIP][144] ([fdo#112080]) -> [PASS][145] +7 similar issues
   [144]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb6/igt@perf_pmu@busy-vcs1.html
   [145]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb4/igt@perf_pmu@busy-vcs1.html

  * igt@perf_pmu@most-busy-idle-check-all-bcs0:
    - shard-hsw:          [FAIL][146] -> [PASS][147]
   [146]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-hsw5/igt@perf_pmu@most-busy-idle-check-all-bcs0.html
   [147]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-hsw2/igt@perf_pmu@most-busy-idle-check-all-bcs0.html
    - shard-snb:          [FAIL][148] -> [PASS][149]
   [148]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-snb4/igt@perf_pmu@most-busy-idle-check-all-bcs0.html
   [149]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-snb6/igt@perf_pmu@most-busy-idle-check-all-bcs0.html

  
#### Warnings ####

  * igt@gem_ctx_isolation@vcs1-reset:
    - shard-iclb:         [SKIP][150] ([fdo#112080]) -> [SKIP][151] ([fdo#109276] / [fdo#112080])
   [150]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb3/igt@gem_ctx_isolation@vcs1-reset.html
   [151]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-iclb4/igt@gem_ctx_isolation@vcs1-reset.html

  * igt@gem_userptr_blits@dmabuf-unsync:
    - shard-hsw:          [DMESG-WARN][152] ([fdo#111870]) -> [DMESG-WARN][153] ([fdo#110789] / [fdo#111870])
   [152]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-hsw7/igt@gem_userptr_blits@dmabuf-unsync.html
   [153]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-hsw5/igt@gem_userptr_blits@dmabuf-unsync.html

  * igt@gem_userptr_blits@map-fixed-invalidate-busy@gtt:
    - shard-snb:          [DMESG-WARN][154] ([i915#478]) -> [DMESG-WARN][155] ([fdo#110789] / [i915#478])
   [154]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-snb4/igt@gem_userptr_blits@map-fixed-invalidate-busy@gtt.html
   [155]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-snb2/igt@gem_userptr_blits@map-fixed-invalidate-busy@gtt.html

  * igt@i915_pm_dc@dc6-dpms:
    - shard-tglb:         [SKIP][156] ([i915#468]) -> [FAIL][157] ([i915#454])
   [156]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-tglb2/igt@i915_pm_dc@dc6-dpms.html
   [157]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-tglb1/igt@i915_pm_dc@dc6-dpms.html

  * igt@i915_pm_rpm@fences:
    - shard-snb:          [SKIP][158] ([fdo#109271]) -> [INCOMPLETE][159] ([i915#82])
   [158]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-snb4/igt@i915_pm_rpm@fences.html
   [159]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-snb2/igt@i915_pm_rpm@fences.html

  * igt@i915_pm_rpm@modeset-pc8-residency-stress:
    - shard-tglb:         [SKIP][160] ([fdo#109506]) -> [SKIP][161] ([i915#1316])
   [160]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-tglb3/igt@i915_pm_rpm@modeset-pc8-residency-stress.html
   [161]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/shard-tglb5/igt@i915_pm_rpm@modeset-pc8-residency-stress.html
    - shard-iclb:         [SKIP][162] ([fdo#109293] / [fdo#109506]) -> [SKIP][163] ([i915#1316])
   [162]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8137/shard-iclb2/igt@i915_pm_rpm@modeset-pc8-residency-stress.html

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_4309/index.html
_______________________________________________
igt-dev mailing list
igt-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/igt-dev

[igt-dev] [PATCH i-g-t 3/3] tests/gem_exec_alignment.c: Add priority inversion

[Dominik Grzegorzek]

Priority inversion test case was implemented, which can point out
that a low priority client causes a delay of a high priority client.

Signed-off-by: Dominik Grzegorzek <dominik.grzegorzek@intel.com>
Cc: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
---
 tests/i915/gem_exec_alignment.c | 194 +++++++++++++++++++++++++++++++-
 1 file changed, 193 insertions(+), 1 deletion(-)

diff --git a/tests/i915/gem_exec_alignment.c b/tests/i915/gem_exec_alignment.c
index 44ee137a..a5f50d2f 100644
--- a/tests/i915/gem_exec_alignment.c
+++ b/tests/i915/gem_exec_alignment.c
@@ -38,7 +38,9 @@
 #include <sys/time.h>
 #include <sys/ioctl.h>
 #include <signal.h>
+#include <sched.h>
 #include "drm.h"
+#include "semaphore.h"
 
 #define MANY_TIMEOUT 10
 
@@ -108,6 +110,195 @@ static int __execbuf(int fd, struct drm_i915_gem_execbuffer2 *execbuf)
 	return err;
 }
 
+static void prio_inversion(int fd)
+{
+	uint32_t bbe = MI_BATCH_BUFFER_END;
+	struct drm_i915_gem_exec_object2 *execobj, *execobj_hp;
+	struct drm_i915_gem_execbuffer2 execbuf;
+	struct timespec begin, now, timeout;
+	uint64_t gtt_size, ram_size, flags;
+	uint64_t alignment, max_alignment, count, max_count, curr_count, i;
+	uint32_t lp, hp, zero = 0, *res, ret;
+	volatile uint32_t *result;
+	double time, time_lp;
+	sem_t *sem;
+
+	/*
+	 * First low priority client create mass of holes in their
+	 * own address space, then launch a batch with oodles of object with
+	 * alignment that doesn't match previous one. While lp execbufer
+	 * is performing we want to start high priority task
+	 * and we expect it will not be blocked.
+	 */
+
+	igt_require(gem_uses_full_ppgtt(fd));
+	igt_require(gem_scheduler_enabled(fd));
+	igt_require(gem_scheduler_has_ctx_priority(fd));
+
+	/* Using two pointers to avoid warnings about volatile discarding. */
+	result = res = mmap(NULL, 4096, PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+	memset(res, 0, 4096);
+	igt_assert(result != MAP_FAILED);
+
+	memset(&execbuf, 0, sizeof(execbuf));
+
+	/* Calc number of objects */
+	gtt_size = gem_aperture_size(fd); /* We have to *share* our GTT! */
+	ram_size = intel_get_total_ram_mb();
+	ram_size *= 1024 * 1024;
+	count = ram_size / 4096;
+
+	if (count > file_max()) /* vfs cap */
+		count = file_max();
+	max_alignment = find_last_bit(gtt_size / count);
+	if (max_alignment <= 13)
+		max_alignment = 4096;
+	else
+		max_alignment = 1ull << (max_alignment - 1);
+	max_count = count = gtt_size / max_alignment / 2;
+
+	flags = (gtt_size-1) >> 32 ? 1<<3 : 0; /* EXEC_OBJECT_SUPPORTS_48B_ADDRESS */
+
+	execobj = calloc(sizeof(*execobj), count + 1);
+	igt_assert(execobj);
+
+	execobj_hp = calloc(sizeof(*execobj_hp), 1);
+	igt_assert(execobj_hp);
+
+	/* Fill the low-priority address space */
+	for (i = 0; i < count; i++) {
+		execobj[i].handle = gem_create(fd, 4096);
+		gem_write(fd, execobj[i].handle, 0, &zero, sizeof(zero));
+		execobj[i].flags = flags;
+		execobj[i].alignment = 4096;
+	}
+	execobj[i].handle = gem_create(fd, 4096);
+	execobj[i].alignment = 4096;
+	execobj[i].flags = flags;
+
+	gem_write(fd, execobj[i].handle, 0, &bbe, sizeof(bbe));
+	memset(&execbuf, 0, sizeof(execbuf));
+	execbuf.buffers_ptr = to_user_pointer(execobj + count);
+	execbuf.buffer_count = 1;
+
+	/* Warm up both (hi/lo) contexts */
+	hp = execbuf.rsvd1 = gem_context_create(fd);
+	gem_context_set_priority(fd, execbuf.rsvd1,
+				 I915_CONTEXT_MAX_USER_PRIORITY);
+	gem_execbuf(fd, &execbuf);
+	gem_sync(fd, execobj[i].handle);
+
+	/*
+	 * Creating a mess in address space using slow fragmentation loop
+	 * to consume 5s. LP task uses the same objects with next alignment up.
+	 */
+
+	lp = execbuf.rsvd1 = gem_context_create(fd);
+	gem_context_set_priority(fd, execbuf.rsvd1,
+				 I915_CONTEXT_MIN_USER_PRIORITY);
+
+	memset(&timeout, 0, sizeof(struct timespec));
+	for (alignment = 8192; alignment < gtt_size && igt_seconds_elapsed(&timeout) < 5; alignment <<= 1) {
+		if (alignment > max_alignment) {
+			uint64_t factor = alignment / max_alignment;
+			max_count = 2 * count / factor;
+		}
+
+		for (i = 0; i < count; i++)
+			execobj[i].alignment = alignment;
+
+		for (curr_count = 1; curr_count < max_count; curr_count <<= 1) {
+			execbuf.buffer_count = curr_count;
+			execbuf.buffers_ptr =
+			    to_user_pointer(execobj + count - execbuf.buffer_count + 1);
+
+			gem_execbuf(fd, &execbuf);
+			gem_sync(fd, execobj[count].handle);
+			if (igt_seconds_elapsed(&timeout) >= 5)
+				break;
+		}
+	}
+	igt_debug("Low priority address space fragmentation done.\n");
+
+	igt_debug("Starting quiescent\n");
+	gem_quiescent_gpu(fd);
+	igt_debug("Ending quiescent\n");
+
+	for (i = 0; i <= count; i++)
+		execobj[i].alignment = alignment;
+
+	sem = sem_open("test_semaphore", O_CREAT|O_EXCL, 0, 1);
+	sem_unlink("test_semaphore");
+	sem_wait(sem);
+
+	igt_fork(child, 1) {
+		igt_debug("[H] In fork\n");
+		memset(&execbuf, 0, sizeof(execbuf));
+		execobj_hp[0].handle = gem_create(fd, 4096);
+		igt_debug("[H] After create\n");
+
+		gem_write(fd, execobj_hp[0].handle, 0, &bbe, sizeof(bbe));
+		result[0] = hp != execbuf.rsvd1;
+
+		execbuf.rsvd1 = hp;
+		execbuf.buffer_count = 1;
+		execbuf.buffers_ptr =
+		    to_user_pointer(execobj_hp);
+
+		/* Child sleeps waiting for hp task to start. */
+		sem_wait(sem);
+		sched_yield();
+		sem_post(sem);
+
+		usleep(50000);
+		clock_gettime(CLOCK_MONOTONIC, &begin);
+		igt_debug("[H] HP child executing\n");
+		gem_execbuf(fd, &execbuf);
+		igt_debug("[H] HP exec submitted\n");
+		gem_sync(fd, execobj_hp[0].handle);
+		clock_gettime(CLOCK_MONOTONIC, &now);
+		igt_debug("[H] HP sync\n");
+
+		time = igt_time_elapsed(&begin, &now);
+		igt_debug("[H] HP exec performed in %.6fs\n", time);
+		result[1] = time < 0.001;
+		gem_close(fd, execobj_hp[0].handle);
+	}
+
+	/* Relinquish CPU just to allow child to create a context */
+	sleep(1);
+	igt_assert_f(result[0], "HP context (child) not created\n");
+
+	execbuf.rsvd1 = lp;
+	execbuf.buffer_count = curr_count;
+	execbuf.buffers_ptr =
+	    to_user_pointer(execobj + count - execbuf.buffer_count + 1);
+
+	igt_debug("[L] LP parent executing\n");
+	clock_gettime(CLOCK_MONOTONIC, &begin);
+
+	alignment_set_timeout(0, 100000);
+	sem_post(sem);
+	gem_execbuf(fd, &execbuf);
+	gem_sync(fd, execobj[count].handle);
+	alignment_reset_timeout();
+
+	clock_gettime(CLOCK_MONOTONIC, &now);
+	time_lp = igt_time_elapsed(&begin, &now);
+	igt_debug("[L] LP exec performed in %.6fs\n", time_lp);
+
+	igt_waitchildren();
+	igt_assert_f(result[1], "HP child unable to submit within 10ms\n");
+
+	gem_context_destroy(fd, lp);
+	gem_context_destroy(fd, hp);
+
+	for (i = 0; i <= count; i++)
+		gem_close(fd, execobj[i].handle);
+
+	munmap(res, 4096);
+}
+
 static void many(int fd)
 {
 	uint32_t bbe = MI_BATCH_BUFFER_END;
@@ -267,5 +458,6 @@ igt_main
 		single(fd);
 	igt_subtest("many")
 		many(fd);
-
+	igt_subtest("pi")
+		prio_inversion(fd);
 }
-- 
2.20.1

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