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From: "Christian König" <ckoenig.leichtzumerken@gmail.com>
To: daniel@ffwll.ch, dri-devel@lists.freedesktop.org,
	amd-gfx@lists.freedesktop.org
Subject: [PATCH 3/7] dma-buf: add dma_fence_chain_alloc/free self tests
Date: Thu, 10 Jun 2021 11:17:56 +0200	[thread overview]
Message-ID: <20210610091800.1833-4-christian.koenig@amd.com> (raw)
In-Reply-To: <20210610091800.1833-1-christian.koenig@amd.com>

Exercise the newly added functions.

Signed-off-by: Christian König <christian.koenig@amd.com>
---
 drivers/dma-buf/st-dma-fence-chain.c | 48 ++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/drivers/dma-buf/st-dma-fence-chain.c b/drivers/dma-buf/st-dma-fence-chain.c
index 8ce1ea59d31b..855c129c6093 100644
--- a/drivers/dma-buf/st-dma-fence-chain.c
+++ b/drivers/dma-buf/st-dma-fence-chain.c
@@ -95,6 +95,53 @@ static int sanitycheck(void *arg)
 	return err;
 }
 
+static int __alloc_free(void *arg)
+{
+	atomic_t *counter = arg;
+	int i, j;
+
+	for (i = 0; i < 1024; ++i) {
+		struct dma_fence_chain *chains[64];
+
+		for (j = 0; j < ARRAY_SIZE(chains); ++j)
+			chains[j] = dma_fence_chain_alloc();
+
+		for (j = 0; j < ARRAY_SIZE(chains); ++j)
+			dma_fence_chain_free(chains[j]);
+
+		atomic_add(ARRAY_SIZE(chains), counter);
+	}
+	return 0;
+}
+
+static int alloc_free(void *arg)
+{
+	struct task_struct *threads[8];
+	atomic_t counter = ATOMIC_INIT(0);
+	int i, err = 0;
+
+	for (i = 0; i < ARRAY_SIZE(threads); i++) {
+		threads[i] = kthread_run(__alloc_free, &counter, "dmabuf/%d",
+					 i);
+		if (IS_ERR(threads[i])) {
+			err = PTR_ERR(threads[i]);
+			break;
+		}
+	}
+
+	while (i--) {
+		int ret;
+
+		ret = kthread_stop(threads[i]);
+		if (ret && !err)
+			err = ret;
+	}
+
+	pr_info("Completed %u cycles\n", atomic_read(&counter));
+
+	return err;
+}
+
 struct fence_chains {
 	unsigned int chain_length;
 	struct dma_fence **fences;
@@ -677,6 +724,7 @@ int dma_fence_chain(void)
 {
 	static const struct subtest tests[] = {
 		SUBTEST(sanitycheck),
+		SUBTEST(alloc_free),
 		SUBTEST(find_seqno),
 		SUBTEST(find_signaled),
 		SUBTEST(find_out_of_order),
-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: "Christian König" <ckoenig.leichtzumerken@gmail.com>
To: daniel@ffwll.ch, dri-devel@lists.freedesktop.org,
	amd-gfx@lists.freedesktop.org
Subject: [PATCH 3/7] dma-buf: add dma_fence_chain_alloc/free self tests
Date: Thu, 10 Jun 2021 11:17:56 +0200	[thread overview]
Message-ID: <20210610091800.1833-4-christian.koenig@amd.com> (raw)
In-Reply-To: <20210610091800.1833-1-christian.koenig@amd.com>

Exercise the newly added functions.

Signed-off-by: Christian König <christian.koenig@amd.com>
---
 drivers/dma-buf/st-dma-fence-chain.c | 48 ++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/drivers/dma-buf/st-dma-fence-chain.c b/drivers/dma-buf/st-dma-fence-chain.c
index 8ce1ea59d31b..855c129c6093 100644
--- a/drivers/dma-buf/st-dma-fence-chain.c
+++ b/drivers/dma-buf/st-dma-fence-chain.c
@@ -95,6 +95,53 @@ static int sanitycheck(void *arg)
 	return err;
 }
 
+static int __alloc_free(void *arg)
+{
+	atomic_t *counter = arg;
+	int i, j;
+
+	for (i = 0; i < 1024; ++i) {
+		struct dma_fence_chain *chains[64];
+
+		for (j = 0; j < ARRAY_SIZE(chains); ++j)
+			chains[j] = dma_fence_chain_alloc();
+
+		for (j = 0; j < ARRAY_SIZE(chains); ++j)
+			dma_fence_chain_free(chains[j]);
+
+		atomic_add(ARRAY_SIZE(chains), counter);
+	}
+	return 0;
+}
+
+static int alloc_free(void *arg)
+{
+	struct task_struct *threads[8];
+	atomic_t counter = ATOMIC_INIT(0);
+	int i, err = 0;
+
+	for (i = 0; i < ARRAY_SIZE(threads); i++) {
+		threads[i] = kthread_run(__alloc_free, &counter, "dmabuf/%d",
+					 i);
+		if (IS_ERR(threads[i])) {
+			err = PTR_ERR(threads[i]);
+			break;
+		}
+	}
+
+	while (i--) {
+		int ret;
+
+		ret = kthread_stop(threads[i]);
+		if (ret && !err)
+			err = ret;
+	}
+
+	pr_info("Completed %u cycles\n", atomic_read(&counter));
+
+	return err;
+}
+
 struct fence_chains {
 	unsigned int chain_length;
 	struct dma_fence **fences;
@@ -677,6 +724,7 @@ int dma_fence_chain(void)
 {
 	static const struct subtest tests[] = {
 		SUBTEST(sanitycheck),
+		SUBTEST(alloc_free),
 		SUBTEST(find_seqno),
 		SUBTEST(find_signaled),
 		SUBTEST(find_out_of_order),
-- 
2.25.1

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  parent reply	other threads:[~2021-06-10  9:18 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-10  9:17 Change how amdgpu stores fences in dma_resv objects Christian König
2021-06-10  9:17 ` Christian König
2021-06-10  9:17 ` [PATCH 1/7] dma-buf: some dma_fence_chain improvements Christian König
2021-06-10  9:17   ` Christian König
2021-06-11  7:49   ` Daniel Vetter
2021-06-11  7:49     ` Daniel Vetter
2021-06-10  9:17 ` [PATCH 2/7] dma-buf: add dma_fence_chain_alloc/free Christian König
2021-06-10  9:17   ` Christian König
2021-06-11  7:54   ` Daniel Vetter
2021-06-11  7:54     ` Daniel Vetter
2021-06-11 11:48     ` Christian König
2021-06-11 11:48       ` Christian König
2021-06-11 14:40       ` Daniel Vetter
2021-06-11 14:40         ` Daniel Vetter
2021-06-10  9:17 ` Christian König [this message]
2021-06-10  9:17   ` [PATCH 3/7] dma-buf: add dma_fence_chain_alloc/free self tests Christian König
2021-06-11  7:58   ` Daniel Vetter
2021-06-11  7:58     ` Daniel Vetter
2021-06-11 10:04     ` Christian König
2021-06-11 10:04       ` Christian König
2021-06-10  9:17 ` [PATCH 4/7] dma-buf: add dma_fence_chain_garbage_collect Christian König
2021-06-10  9:17   ` Christian König
2021-06-11  8:58   ` Daniel Vetter
2021-06-11  8:58     ` Daniel Vetter
2021-06-11 10:07     ` Christian König
2021-06-11 10:07       ` Christian König
2021-06-11 15:11       ` Daniel Vetter
2021-06-11 15:11         ` Daniel Vetter
2021-06-16 17:29   ` kernel test robot
2021-06-16 17:29     ` kernel test robot
2021-06-16 17:29     ` kernel test robot
2021-06-16 18:50   ` kernel test robot
2021-06-16 18:50     ` kernel test robot
2021-06-16 18:50     ` kernel test robot
2021-06-10  9:17 ` [PATCH 5/7] drm/syncobj: drop the manual garbage collection Christian König
2021-06-10  9:17   ` Christian König
2021-06-10  9:17 ` [PATCH 6/7] drm/amdgpu: unwrap fence chains in the explicit sync fence Christian König
2021-06-10  9:17   ` Christian König
2021-06-11  9:07   ` Daniel Vetter
2021-06-11  9:07     ` Daniel Vetter
2021-06-11 10:09     ` Christian König
2021-06-11 10:09       ` Christian König
2021-06-11 15:18       ` Daniel Vetter
2021-06-11 15:18         ` Daniel Vetter
2021-06-14  7:25         ` Christian König
2021-06-14  7:25           ` Christian König
2021-06-17 16:51           ` Daniel Vetter
2021-06-17 16:51             ` Daniel Vetter
2021-06-10  9:18 ` [PATCH 7/7] drm/amdgpu: rework dma_resv handling Christian König
2021-06-10  9:18   ` Christian König
2021-06-11  9:17   ` Daniel Vetter
2021-06-11  9:17     ` Daniel Vetter
2021-06-11 10:12     ` Christian König
2021-06-11 10:12       ` Christian König
2021-06-11 15:21       ` Daniel Vetter
2021-06-11 15:21         ` Daniel Vetter
2021-06-10 16:34 ` Change how amdgpu stores fences in dma_resv objects Michel Dänzer
2021-06-10 16:34   ` Michel Dänzer
2021-06-10 16:44   ` Christian König
2021-06-10 16:44     ` Christian König

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