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 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
next prev 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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