From: Chris Wilson <chris@chris-wilson.co.uk> To: intel-gfx@lists.freedesktop.org Cc: igt-dev@lists.freedesktop.org Subject: [PATCH i-g-t 12/12] i915/gem_exec_latency: Add another variant of waiter latency Date: Wed, 22 May 2019 12:37:12 +0100 [thread overview] Message-ID: <20190522113712.23512-12-chris@chris-wilson.co.uk> (raw) In-Reply-To: <20190522113712.23512-1-chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> --- tests/i915/gem_exec_latency.c | 81 +++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) diff --git a/tests/i915/gem_exec_latency.c b/tests/i915/gem_exec_latency.c index e88fbbc6a..fd4ceb4d6 100644 --- a/tests/i915/gem_exec_latency.c +++ b/tests/i915/gem_exec_latency.c @@ -490,6 +490,83 @@ static void execution_latency(int i915, unsigned int ring, const char *name) gem_close(i915, obj.handle); } +static void wakeup_latency(int i915, unsigned int ring, const char *name) +{ + struct drm_i915_gem_exec_object2 obj = { + .handle = gem_create(i915, 4095), + }; + struct drm_i915_gem_execbuffer2 execbuf = { + .buffers_ptr = to_user_pointer(&obj), + .buffer_count = 1, + .flags = ring | LOCAL_I915_EXEC_NO_RELOC | LOCAL_I915_EXEC_HANDLE_LUT, + }; + const unsigned int mmio_base = 0x2000; + const unsigned int cs_timestamp = mmio_base + 0x358; + volatile uint32_t *timestamp; + struct igt_mean wakeup; + uint32_t *cs, *result; + + timestamp = + (volatile uint32_t *)((volatile char *)igt_global_mmio + cs_timestamp); + + obj.handle = gem_create(i915, 4096); + obj.flags = EXEC_OBJECT_PINNED; + result = gem_mmap__wc(i915, obj.handle, 0, 4096, PROT_WRITE); + + cs = result; + + *cs++ = 0x24 << 23 | 2; /* SRM */ + *cs++ = cs_timestamp; + *cs++ = 4096 - 16 * 4; + *cs++ = 0; + + *cs++ = MI_BATCH_BUFFER_START | 1; + *cs++ = 0; + *cs++ = 0; + + *cs++ = 0x24 << 23 | 2; /* SRM */ + *cs++ = cs_timestamp; + *cs++ = 4096 - 16 * 4 + 4; + *cs++ = 0; + *cs++ = 0xa << 23; + + cs = result + 1024 - 16; + + { + struct sched_param p = { .sched_priority = 99 }; + sched_setscheduler(0, SCHED_FIFO | SCHED_RESET_ON_FORK, &p); + } + + igt_mean_init(&wakeup); + igt_until_timeout(2) { + uint32_t end; + + igt_fork(child, 1) { + result[4] = MI_BATCH_BUFFER_START | 1; + cs[0] = 0; + + gem_execbuf(i915, &execbuf); + + while (!cs[0]) + ; + result[4] = 0; + __sync_synchronize(); + } + gem_sync(i915, obj.handle); + end = *timestamp; + + igt_mean_add(&wakeup, (end - cs[1]) * rcs_clock); + igt_waitchildren(); + } + igt_info("%s Wakeup latency: %.2f±%.2fms [%.2f, %.2f]\n", name, + 1e-6 * igt_mean_get(&wakeup), + 1e-6 * sqrt(igt_mean_get_variance(&wakeup)), + 1e-6 * wakeup.min, 1e-6 * wakeup.max); + + munmap(result, 4096); + gem_close(i915, obj.handle); +} + static void __submit_spin(int fd, igt_spin_t *spin, unsigned int flags) { @@ -942,6 +1019,10 @@ igt_main execution_latency(device, e->exec_id | e->flags, e->name); + igt_subtest_f("%s-wakeup-latency", e->name) + wakeup_latency(device, + e->exec_id | e->flags, + e->name); igt_subtest_f("%s-live-dispatch-queued", e->name) latency_on_ring(device, -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
WARNING: multiple messages have this Message-ID (diff)
From: Chris Wilson <chris@chris-wilson.co.uk> To: intel-gfx@lists.freedesktop.org Cc: igt-dev@lists.freedesktop.org Subject: [igt-dev] [PATCH i-g-t 12/12] i915/gem_exec_latency: Add another variant of waiter latency Date: Wed, 22 May 2019 12:37:12 +0100 [thread overview] Message-ID: <20190522113712.23512-12-chris@chris-wilson.co.uk> (raw) In-Reply-To: <20190522113712.23512-1-chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> --- tests/i915/gem_exec_latency.c | 81 +++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) diff --git a/tests/i915/gem_exec_latency.c b/tests/i915/gem_exec_latency.c index e88fbbc6a..fd4ceb4d6 100644 --- a/tests/i915/gem_exec_latency.c +++ b/tests/i915/gem_exec_latency.c @@ -490,6 +490,83 @@ static void execution_latency(int i915, unsigned int ring, const char *name) gem_close(i915, obj.handle); } +static void wakeup_latency(int i915, unsigned int ring, const char *name) +{ + struct drm_i915_gem_exec_object2 obj = { + .handle = gem_create(i915, 4095), + }; + struct drm_i915_gem_execbuffer2 execbuf = { + .buffers_ptr = to_user_pointer(&obj), + .buffer_count = 1, + .flags = ring | LOCAL_I915_EXEC_NO_RELOC | LOCAL_I915_EXEC_HANDLE_LUT, + }; + const unsigned int mmio_base = 0x2000; + const unsigned int cs_timestamp = mmio_base + 0x358; + volatile uint32_t *timestamp; + struct igt_mean wakeup; + uint32_t *cs, *result; + + timestamp = + (volatile uint32_t *)((volatile char *)igt_global_mmio + cs_timestamp); + + obj.handle = gem_create(i915, 4096); + obj.flags = EXEC_OBJECT_PINNED; + result = gem_mmap__wc(i915, obj.handle, 0, 4096, PROT_WRITE); + + cs = result; + + *cs++ = 0x24 << 23 | 2; /* SRM */ + *cs++ = cs_timestamp; + *cs++ = 4096 - 16 * 4; + *cs++ = 0; + + *cs++ = MI_BATCH_BUFFER_START | 1; + *cs++ = 0; + *cs++ = 0; + + *cs++ = 0x24 << 23 | 2; /* SRM */ + *cs++ = cs_timestamp; + *cs++ = 4096 - 16 * 4 + 4; + *cs++ = 0; + *cs++ = 0xa << 23; + + cs = result + 1024 - 16; + + { + struct sched_param p = { .sched_priority = 99 }; + sched_setscheduler(0, SCHED_FIFO | SCHED_RESET_ON_FORK, &p); + } + + igt_mean_init(&wakeup); + igt_until_timeout(2) { + uint32_t end; + + igt_fork(child, 1) { + result[4] = MI_BATCH_BUFFER_START | 1; + cs[0] = 0; + + gem_execbuf(i915, &execbuf); + + while (!cs[0]) + ; + result[4] = 0; + __sync_synchronize(); + } + gem_sync(i915, obj.handle); + end = *timestamp; + + igt_mean_add(&wakeup, (end - cs[1]) * rcs_clock); + igt_waitchildren(); + } + igt_info("%s Wakeup latency: %.2f±%.2fms [%.2f, %.2f]\n", name, + 1e-6 * igt_mean_get(&wakeup), + 1e-6 * sqrt(igt_mean_get_variance(&wakeup)), + 1e-6 * wakeup.min, 1e-6 * wakeup.max); + + munmap(result, 4096); + gem_close(i915, obj.handle); +} + static void __submit_spin(int fd, igt_spin_t *spin, unsigned int flags) { @@ -942,6 +1019,10 @@ igt_main execution_latency(device, e->exec_id | e->flags, e->name); + igt_subtest_f("%s-wakeup-latency", e->name) + wakeup_latency(device, + e->exec_id | e->flags, + e->name); igt_subtest_f("%s-live-dispatch-queued", e->name) latency_on_ring(device, -- 2.20.1 _______________________________________________ igt-dev mailing list igt-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/igt-dev
next prev parent reply other threads:[~2019-05-22 11:37 UTC|newest] Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-05-22 11:37 [PATCH i-g-t 01/12] i915: Add gem_vm_create Chris Wilson 2019-05-22 11:37 ` [Intel-gfx] " Chris Wilson 2019-05-22 11:37 ` [PATCH i-g-t 02/12] i915/gem_ctx_param: Test set/get (copy) VM Chris Wilson 2019-05-22 11:37 ` [igt-dev] " Chris Wilson 2019-05-22 11:37 ` [PATCH i-g-t 03/12] i915/gem_ctx_create: Basic checks for constructor properties Chris Wilson 2019-05-22 11:37 ` [igt-dev] " Chris Wilson 2019-05-23 13:41 ` Tvrtko Ursulin 2019-05-23 13:41 ` [igt-dev] " Tvrtko Ursulin 2019-05-22 11:37 ` [PATCH i-g-t 04/12] i915: Add gem_ctx_clone Chris Wilson 2019-05-22 11:37 ` [Intel-gfx] " Chris Wilson 2019-05-22 11:37 ` [PATCH i-g-t 05/12] i915: Exercise creating context with shared GTT Chris Wilson 2019-05-22 11:37 ` [igt-dev] " Chris Wilson 2019-05-23 13:39 ` Tvrtko Ursulin 2019-05-23 13:39 ` [Intel-gfx] " Tvrtko Ursulin 2019-05-22 11:37 ` [PATCH i-g-t 06/12] i915/gem_ctx_switch: Exercise queues Chris Wilson 2019-05-22 11:37 ` [igt-dev] " Chris Wilson 2019-05-22 11:37 ` [PATCH i-g-t 07/12] i915/gem_exec_whisper: Fork all-engine tests one-per-engine Chris Wilson 2019-05-22 11:37 ` [igt-dev] " Chris Wilson 2019-05-22 11:37 ` [PATCH i-g-t 08/12] i915: Add gem_ctx_engines Chris Wilson 2019-05-22 11:37 ` [igt-dev] " Chris Wilson 2019-05-22 11:37 ` [PATCH i-g-t 09/12] i915: Add gem_exec_balancer Chris Wilson 2019-05-22 11:37 ` [igt-dev] " Chris Wilson 2019-05-22 12:13 ` Tvrtko Ursulin 2019-05-22 12:13 ` [igt-dev] " Tvrtko Ursulin 2019-05-22 11:37 ` [PATCH i-g-t 10/12] i915/gem_exec_balancer: Exercise bonded pairs Chris Wilson 2019-05-22 11:37 ` [igt-dev] " Chris Wilson 2019-05-22 12:26 ` Tvrtko Ursulin 2019-05-22 12:26 ` [Intel-gfx] " Tvrtko Ursulin 2019-05-22 12:33 ` Chris Wilson 2019-05-22 12:33 ` [igt-dev] " Chris Wilson 2019-05-22 12:52 ` [PATCH i-g-t] " Chris Wilson 2019-05-22 12:52 ` [igt-dev] " Chris Wilson 2019-05-22 13:08 ` Tvrtko Ursulin 2019-05-22 13:08 ` [igt-dev] [Intel-gfx] " Tvrtko Ursulin 2019-05-22 11:37 ` [PATCH i-g-t 11/12] i915/gem_exec_latency: Measure the latency of context switching Chris Wilson 2019-05-22 11:37 ` [igt-dev] " Chris Wilson 2019-05-22 11:37 ` Chris Wilson [this message] 2019-05-22 11:37 ` [igt-dev] [PATCH i-g-t 12/12] i915/gem_exec_latency: Add another variant of waiter latency Chris Wilson 2019-05-22 12:54 ` [igt-dev] ✗ Fi.CI.BAT: failure for series starting with [i-g-t,01/12] i915: Add gem_vm_create (rev2) Patchwork
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20190522113712.23512-12-chris@chris-wilson.co.uk \ --to=chris@chris-wilson.co.uk \ --cc=igt-dev@lists.freedesktop.org \ --cc=intel-gfx@lists.freedesktop.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.