From: Chris Wilson <chris@chris-wilson.co.uk> To: intel-gfx@lists.freedesktop.org Cc: Matthew Auld <matthew.auld@intel.com> Subject: [PATCH 17/25] drm/i915/selftests: Fill all the drm_vma_manager holes Date: Sun, 10 Nov 2019 18:57:58 +0000 [thread overview] Message-ID: <20191110185806.17413-17-chris@chris-wilson.co.uk> (raw) In-Reply-To: <20191110185806.17413-1-chris@chris-wilson.co.uk> To test mmap_offset_exhaustion, we first have to fill the entire vma manager leaving a single page. Don't assume that the vma manager is not already fragment, and fill all the holes. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.auld@intel.com> --- .../drm/i915/gem/selftests/i915_gem_mman.c | 45 ++++++++++++++----- 1 file changed, 33 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c index cabf45b1403f..b307574e3f3b 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c @@ -607,28 +607,43 @@ static int igt_mmap_offset_exhaustion(void *arg) struct drm_i915_private *i915 = arg; struct drm_mm *mm = &i915->drm.vma_offset_manager->vm_addr_space_mm; struct drm_i915_gem_object *obj; - struct drm_mm_node resv, *hole; - u64 hole_start, hole_end; + struct drm_mm_node *hole, *next; int loop, err; /* Disable background reaper */ disable_retire_worker(i915); GEM_BUG_ON(!i915->gt.awake); + intel_gt_retire_requests(&i915->gt); + i915_gem_drain_freed_objects(i915); /* Trim the device mmap space to only a page */ - memset(&resv, 0, sizeof(resv)); - drm_mm_for_each_hole(hole, mm, hole_start, hole_end) { - resv.start = hole_start; - resv.size = hole_end - hole_start - 1; /* PAGE_SIZE units */ - mmap_offset_lock(i915); - err = drm_mm_reserve_node(mm, &resv); - mmap_offset_unlock(i915); + mmap_offset_lock(i915); + loop = 1; /* PAGE_SIZE units */ + list_for_each_entry_safe(hole, next, &mm->hole_stack, hole_stack) { + struct drm_mm_node *resv; + + resv = kzalloc(sizeof(*resv), GFP_NOWAIT); + if (!resv) { + err = -ENOMEM; + goto out_park; + } + + resv->start = drm_mm_hole_node_start(hole) + loop; + resv->size = hole->hole_size - loop; + resv->color = -1ul; + loop = 0; + + pr_debug("Reserving hole [%llx + %llx]\n", + resv->start, resv->size); + + err = drm_mm_reserve_node(mm, resv); if (err) { pr_err("Failed to trim VMA manager, err=%d\n", err); goto out_park; } - break; } + GEM_BUG_ON(!list_is_singular(&mm->hole_stack)); + mmap_offset_unlock(i915); /* Just fits! */ if (!assert_mmap_offset(i915, PAGE_SIZE, 0)) { @@ -685,9 +700,15 @@ static int igt_mmap_offset_exhaustion(void *arg) out: mmap_offset_lock(i915); - drm_mm_remove_node(&resv); - mmap_offset_unlock(i915); out_park: + drm_mm_for_each_node_safe(hole, next, mm) { + if (hole->color != -1ul) + continue; + + drm_mm_remove_node(hole); + kfree(hole); + } + mmap_offset_unlock(i915); restore_retire_worker(i915); return err; err_obj: -- 2.24.0 _______________________________________________ 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: Matthew Auld <matthew.auld@intel.com> Subject: [Intel-gfx] [PATCH 17/25] drm/i915/selftests: Fill all the drm_vma_manager holes Date: Sun, 10 Nov 2019 18:57:58 +0000 [thread overview] Message-ID: <20191110185806.17413-17-chris@chris-wilson.co.uk> (raw) Message-ID: <20191110185758.2YUp7_a4xDJyZ9gOI9f8xSpAn_KoSxLh3ks7zwH7Xs4@z> (raw) In-Reply-To: <20191110185806.17413-1-chris@chris-wilson.co.uk> To test mmap_offset_exhaustion, we first have to fill the entire vma manager leaving a single page. Don't assume that the vma manager is not already fragment, and fill all the holes. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.auld@intel.com> --- .../drm/i915/gem/selftests/i915_gem_mman.c | 45 ++++++++++++++----- 1 file changed, 33 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c index cabf45b1403f..b307574e3f3b 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c @@ -607,28 +607,43 @@ static int igt_mmap_offset_exhaustion(void *arg) struct drm_i915_private *i915 = arg; struct drm_mm *mm = &i915->drm.vma_offset_manager->vm_addr_space_mm; struct drm_i915_gem_object *obj; - struct drm_mm_node resv, *hole; - u64 hole_start, hole_end; + struct drm_mm_node *hole, *next; int loop, err; /* Disable background reaper */ disable_retire_worker(i915); GEM_BUG_ON(!i915->gt.awake); + intel_gt_retire_requests(&i915->gt); + i915_gem_drain_freed_objects(i915); /* Trim the device mmap space to only a page */ - memset(&resv, 0, sizeof(resv)); - drm_mm_for_each_hole(hole, mm, hole_start, hole_end) { - resv.start = hole_start; - resv.size = hole_end - hole_start - 1; /* PAGE_SIZE units */ - mmap_offset_lock(i915); - err = drm_mm_reserve_node(mm, &resv); - mmap_offset_unlock(i915); + mmap_offset_lock(i915); + loop = 1; /* PAGE_SIZE units */ + list_for_each_entry_safe(hole, next, &mm->hole_stack, hole_stack) { + struct drm_mm_node *resv; + + resv = kzalloc(sizeof(*resv), GFP_NOWAIT); + if (!resv) { + err = -ENOMEM; + goto out_park; + } + + resv->start = drm_mm_hole_node_start(hole) + loop; + resv->size = hole->hole_size - loop; + resv->color = -1ul; + loop = 0; + + pr_debug("Reserving hole [%llx + %llx]\n", + resv->start, resv->size); + + err = drm_mm_reserve_node(mm, resv); if (err) { pr_err("Failed to trim VMA manager, err=%d\n", err); goto out_park; } - break; } + GEM_BUG_ON(!list_is_singular(&mm->hole_stack)); + mmap_offset_unlock(i915); /* Just fits! */ if (!assert_mmap_offset(i915, PAGE_SIZE, 0)) { @@ -685,9 +700,15 @@ static int igt_mmap_offset_exhaustion(void *arg) out: mmap_offset_lock(i915); - drm_mm_remove_node(&resv); - mmap_offset_unlock(i915); out_park: + drm_mm_for_each_node_safe(hole, next, mm) { + if (hole->color != -1ul) + continue; + + drm_mm_remove_node(hole); + kfree(hole); + } + mmap_offset_unlock(i915); restore_retire_worker(i915); return err; err_obj: -- 2.24.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2019-11-10 18:58 UTC|newest] Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-11-10 18:57 [PATCH 01/25] drm/i915: Protect context while grabbing its name for the request Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:57 ` [PATCH 02/25] drm/i915/gem: Embed context/timeline name inside the GEM context Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-11 11:20 ` Mika Kuoppala 2019-11-11 11:20 ` [Intel-gfx] " Mika Kuoppala 2019-11-10 18:57 ` [PATCH 03/25] drm/i915/gem: Update context name on closing Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-11 10:47 ` Mika Kuoppala 2019-11-11 10:47 ` [Intel-gfx] " Mika Kuoppala 2019-11-11 10:58 ` Chris Wilson 2019-11-11 10:58 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:57 ` [PATCH 04/25] drm/i915/execlists: Move reset_active() from schedule-out to schedule-in Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:57 ` [PATCH 05/25] drm/i915/pmu: "Frequency" is reported as accumulated cycles Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:57 ` [PATCH 06/25] drm/i915/userptr: Handle unlocked gup retries Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:57 ` [PATCH 07/25] drm/i915: Cancel context if it hangs after it is closed Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-11 10:54 ` Mika Kuoppala 2019-11-11 10:54 ` [Intel-gfx] " Mika Kuoppala 2019-11-11 11:04 ` Chris Wilson 2019-11-11 11:04 ` [Intel-gfx] " Chris Wilson 2019-11-11 11:25 ` Mika Kuoppala 2019-11-11 11:25 ` [Intel-gfx] " Mika Kuoppala 2019-11-10 18:57 ` [PATCH 08/25] drm/i915: Show guilty context name on GPU reset Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-11 11:26 ` Mika Kuoppala 2019-11-11 11:26 ` [Intel-gfx] " Mika Kuoppala 2019-11-10 18:57 ` [PATCH 09/25] drm/i915/icl: Refine PG_HYSTERESIS Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-11 10:59 ` Mika Kuoppala 2019-11-11 10:59 ` [Intel-gfx] " Mika Kuoppala 2019-11-10 18:57 ` [PATCH 10/25] drm/i915/execlists: Reduce barrier on context switch to a wmb() Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-11 13:19 ` Joonas Lahtinen 2019-11-11 13:19 ` [Intel-gfx] " Joonas Lahtinen 2019-11-10 18:57 ` [PATCH 11/25] drm/i915/gem: Silence sparse for RCU protection inside the constructor Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:57 ` [PATCH 12/25] drm/i915/userptr: Try to acquire the page lock around set_page_dirty() Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:57 ` [PATCH 13/25] drm/i915: Taint the kernel on dumping the GEM ftrace buffer Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-11 12:44 ` Joonas Lahtinen 2019-11-11 12:44 ` [Intel-gfx] " Joonas Lahtinen 2019-11-10 18:57 ` [PATCH 14/25] drm/i915/selftests: Exercise parallel blit operations on a single ctx Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-11 12:10 ` Matthew Auld 2019-11-11 12:10 ` [Intel-gfx] " Matthew Auld 2019-11-10 18:57 ` [PATCH 15/25] drm/i915/selftests: Perform some basic cycle counting of MI ops Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-11 17:10 ` Matthew Auld 2019-11-11 17:10 ` [Intel-gfx] " Matthew Auld 2019-11-11 17:16 ` Chris Wilson 2019-11-11 17:16 ` [Intel-gfx] " Chris Wilson 2019-11-11 17:20 ` Matthew Auld 2019-11-11 17:20 ` [Intel-gfx] " Matthew Auld 2019-11-10 18:57 ` [PATCH 16/25] drm/i915/selftests: Mock the engine sorting for easy validation Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:57 ` Chris Wilson [this message] 2019-11-10 18:57 ` [Intel-gfx] [PATCH 17/25] drm/i915/selftests: Fill all the drm_vma_manager holes Chris Wilson 2019-11-11 12:01 ` Matthew Auld 2019-11-11 12:01 ` [Intel-gfx] " Matthew Auld 2019-11-11 12:09 ` Chris Wilson 2019-11-11 12:09 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:57 ` [PATCH 18/25] Revert "drm/i915: use a separate context for gpu relocs" Chris Wilson 2019-11-10 18:57 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:58 ` [PATCH 19/25] drm/i915: Use a ctor for TYPESAFE_BY_RCU i915_request Chris Wilson 2019-11-10 18:58 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:58 ` [PATCH 20/25] drm/i915: Drop GEM context as a direct link from i915_request Chris Wilson 2019-11-10 18:58 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:58 ` [PATCH 21/25] drm/i915: Push the use-semaphore marker onto the intel_context Chris Wilson 2019-11-10 18:58 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:58 ` [PATCH 22/25] drm/i915: Remove i915->kernel_context Chris Wilson 2019-11-10 18:58 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:58 ` [PATCH 23/25] drm/i915: Move i915_gem_init_contexts() earlier Chris Wilson 2019-11-10 18:58 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:58 ` [PATCH 24/25] drm/i915/uc: Use an internal buffer for firmware images Chris Wilson 2019-11-10 18:58 ` [Intel-gfx] " Chris Wilson 2019-11-10 18:58 ` [PATCH 25/25] drm/i915/gt: Pull GT initialisation under intel_gt_init() Chris Wilson 2019-11-10 18:58 ` [Intel-gfx] " Chris Wilson 2019-11-10 19:20 ` ✗ Fi.CI.CHECKPATCH: warning for series starting with [01/25] drm/i915: Protect context while grabbing its name for the request Patchwork 2019-11-10 19:20 ` [Intel-gfx] " Patchwork 2019-11-10 19:40 ` ✓ Fi.CI.BAT: success " Patchwork 2019-11-10 19:40 ` [Intel-gfx] " Patchwork 2019-11-11 15:34 ` ✗ Fi.CI.IGT: failure " Patchwork 2019-11-11 15:34 ` [Intel-gfx] " Patchwork
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