From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 13575C48BE0 for ; Thu, 10 Jun 2021 09:18:27 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DB495613ED for ; Thu, 10 Jun 2021 09:18:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DB495613ED Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6A8286EC9E; Thu, 10 Jun 2021 09:18:17 +0000 (UTC) Received: from mail-wr1-x436.google.com (mail-wr1-x436.google.com [IPv6:2a00:1450:4864:20::436]) by gabe.freedesktop.org (Postfix) with ESMTPS id CA5D16EC8F; Thu, 10 Jun 2021 09:18:05 +0000 (UTC) Received: by mail-wr1-x436.google.com with SMTP id o3so1411976wri.8; Thu, 10 Jun 2021 02:18:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=3a/i/Xi+c5m0afcasaoynqq1ok0Yws0jZdSKhj7thXs=; b=Cjoz5iUAWyabHz2NF7E35GLGCd8e3pJLjEbV8g1Bnv3UJEP1XZtz5MYv74y33sBuI+ +cH6B442Jle0S1nimKZJoy78K7eSPuzHcsnS6tMv8t/A+AFfiR5X4stx2fEPcHmuRBXC CZpMjznvccE8UipdUf/GgI4Ul8fRpUoMsA5AE9PRBusJpUTDWE8l/+wHfIFbSsqffFmD 2zLwAt3wW31nV26+jBN2Amuh8TeBbf/qyWLuSYZHeVdcxKohKRzLnajCvY6d6Xn94XPm 7rt7K5om94Y/LkxMGBfdFBsNB77wi93bVLzwtA7yXhrWyre5Mt/HjCnfQgfWufAqzt4I RXMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3a/i/Xi+c5m0afcasaoynqq1ok0Yws0jZdSKhj7thXs=; b=d7d4p8peK+/TfFx8c6/7o44MXlS+unXxQ1O0mXjVD1mniBO6jNTwM8R9EEZOMElzY4 z0/01jtNh7+ZCKkb2CfYIaCFxtG0FxrgrpQ/lQn7tSeRMmie7UiCBQa5zwYHgG0w/F+H Zhad5cVErMX0rf+TNeDwbV+78Tek0Gzj/aHQB35OsxNKxntX2/vzm7nTFBLNVg4YcoJI lgokW/gDodI7r+dklGUwnj01XoUw6gIqlLmsZ0e5kS5BiXl8ezKNDXH+79XmCtj5PmWV apXh13fMjtPnV0xG+oAVkUNm3etitHebzdT4VjREt8zfHdw8bDAXCvqoCHThRgt5xzoU Q54g== X-Gm-Message-State: AOAM531XlXxg82JWgotxKNMoL8y2g8HNkSg8Usd8UBWEP/zTKkQ8PTun a4Hy5/NaculfwsJTTlMkWrtXyIRWRd0= X-Google-Smtp-Source: ABdhPJwdrFEpaRTP3/l4f5jojr7XkftDaE9q6zzVkIPmtDfNS9UJaYkXvmJvs+CCw2cKGrOfDqbrLg== X-Received: by 2002:a5d:5182:: with SMTP id k2mr4182514wrv.381.1623316684384; Thu, 10 Jun 2021 02:18:04 -0700 (PDT) Received: from abel.fritz.box ([2a02:908:1252:fb60:561f:e43a:edf5:8f95]) by smtp.gmail.com with ESMTPSA id v8sm3087445wrc.29.2021.06.10.02.18.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Jun 2021 02:18:04 -0700 (PDT) From: "=?UTF-8?q?Christian=20K=C3=B6nig?=" X-Google-Original-From: =?UTF-8?q?Christian=20K=C3=B6nig?= 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 Message-Id: <20210610091800.1833-4-christian.koenig@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210610091800.1833-1-christian.koenig@amd.com> References: <20210610091800.1833-1-christian.koenig@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Exercise the newly added functions. Signed-off-by: Christian König --- 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