From patchwork Fri Oct 23 00:33:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Ertman X-Patchwork-Id: 11852171 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=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 1ADFDC388F7 for ; Fri, 23 Oct 2020 00:39:01 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 41B6B2084C for ; Fri, 23 Oct 2020 00:39:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="gjPirnOj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 41B6B2084C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 71BAA17FC; Fri, 23 Oct 2020 02:38:08 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 71BAA17FC DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1603413538; bh=KNJBgK++Ba9jGR8yo62Lvu9J6ptXFw7Ny9aGJooa7Mw=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=gjPirnOjuapu+LbRPiZhELhxb0lbpY84/tLvGxFUepOq3piy3zCTQMLmIfh5Miakc OqeN8XcnEu/g7CPXV9DRYe/nNFdQYNadS6caihVlIAPrPqqB/GjB/LIbyc2mWlhgTy wiL6nXFA7mOmUMda6iYdy9OsUq/vDNbGVO33hT5c= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id CC27DF804D8; Fri, 23 Oct 2020 02:35:48 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 2E06CF804AC; Fri, 23 Oct 2020 02:35:41 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 9522BF804AD for ; Fri, 23 Oct 2020 02:35:31 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 9522BF804AD IronPort-SDR: bZ4gCSgravixmvl9TQ6GLp1mguQkQpjU7M+j5tI/qHJfg13OACandV+KL9wB3g9seou02NZ1cI Yxyz4EMMqCxA== X-IronPort-AV: E=McAfee;i="6000,8403,9782"; a="165020488" X-IronPort-AV: E=Sophos;i="5.77,404,1596524400"; d="scan'208";a="165020488" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2020 17:35:26 -0700 IronPort-SDR: 6Pptt0QEJl+6NDAsOUm3bC0SzSV690gnyVhTidKs6s1Oo0y5OX+ZNJ4Igk7sUUdjBJUGQD7UVP IVJvuOyZIHGw== X-IronPort-AV: E=Sophos;i="5.77,404,1596524400"; d="scan'208";a="302505814" Received: from dmert-dev.jf.intel.com ([10.166.241.5]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2020 17:35:26 -0700 From: Dave Ertman To: alsa-devel@alsa-project.org Subject: [PATCH v3 06/10] ASoC: SOF: Intel: Remove IPC flood test support in SOF core Date: Thu, 22 Oct 2020 17:33:34 -0700 Message-Id: <20201023003338.1285642-7-david.m.ertman@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201023003338.1285642-1-david.m.ertman@intel.com> References: <20201023003338.1285642-1-david.m.ertman@intel.com> MIME-Version: 1.0 Cc: parav@mellanox.com, tiwai@suse.de, netdev@vger.kernel.org, leonro@nvidia.com, ranjani.sridharan@linux.intel.com, pierre-louis.bossart@linux.intel.com, fred.oh@linux.intel.com, linux-rdma@vger.kernel.org, dledford@redhat.com, broonie@kernel.org, jgg@nvidia.com, gregkh@linuxfoundation.org, kuba@kernel.org, dan.j.williams@intel.com, shiraz.saleem@intel.com, davem@davemloft.net, linux-kernel@vger.kernel.org, kiran.patil@intel.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Ranjani Sridharan Remove the IPC flood test support in the SOF core as it is now added in the IPC flood test client. Reviewed-by: Pierre-Louis Bossart Signed-off-by: Fred Oh Signed-off-by: Ranjani Sridharan Signed-off-by: Dave Ertman --- sound/soc/sof/Kconfig | 8 -- sound/soc/sof/debug.c | 230 --------------------------------------- sound/soc/sof/sof-priv.h | 6 +- 3 files changed, 1 insertion(+), 243 deletions(-) diff --git a/sound/soc/sof/Kconfig b/sound/soc/sof/Kconfig index 13bde36cc5d7..a0f9474b8143 100644 --- a/sound/soc/sof/Kconfig +++ b/sound/soc/sof/Kconfig @@ -182,14 +182,6 @@ config SND_SOC_SOF_DEBUG_ENABLE_FIRMWARE_TRACE module parameter (similar to dynamic debug) If unsure, select "N". -config SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST - bool "SOF enable IPC flood test" - help - This option enables the IPC flood test which can be used to flood - the DSP with test IPCs and gather stats about response times. - Say Y if you want to enable IPC flood test. - If unsure, select "N". - config SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST_CLIENT tristate "SOF enable IPC flood test client" depends on SND_SOC_SOF_CLIENT diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c index 9419a99bab53..d224641768da 100644 --- a/sound/soc/sof/debug.c +++ b/sound/soc/sof/debug.c @@ -232,120 +232,10 @@ static int snd_sof_debugfs_probe_item(struct snd_sof_dev *sdev, } #endif -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST) -#define MAX_IPC_FLOOD_DURATION_MS 1000 -#define MAX_IPC_FLOOD_COUNT 10000 -#define IPC_FLOOD_TEST_RESULT_LEN 512 - -static int sof_debug_ipc_flood_test(struct snd_sof_dev *sdev, - struct snd_sof_dfsentry *dfse, - bool flood_duration_test, - unsigned long ipc_duration_ms, - unsigned long ipc_count) -{ - struct sof_ipc_cmd_hdr hdr; - struct sof_ipc_reply reply; - u64 min_response_time = U64_MAX; - ktime_t start, end, test_end; - u64 avg_response_time = 0; - u64 max_response_time = 0; - u64 ipc_response_time; - int i = 0; - int ret; - - /* configure test IPC */ - hdr.cmd = SOF_IPC_GLB_TEST_MSG | SOF_IPC_TEST_IPC_FLOOD; - hdr.size = sizeof(hdr); - - /* set test end time for duration flood test */ - if (flood_duration_test) - test_end = ktime_get_ns() + ipc_duration_ms * NSEC_PER_MSEC; - - /* send test IPC's */ - while (1) { - start = ktime_get(); - ret = sof_ipc_tx_message(sdev->ipc, hdr.cmd, &hdr, hdr.size, - &reply, sizeof(reply)); - end = ktime_get(); - - if (ret < 0) - break; - - /* compute min and max response times */ - ipc_response_time = ktime_to_ns(ktime_sub(end, start)); - min_response_time = min(min_response_time, ipc_response_time); - max_response_time = max(max_response_time, ipc_response_time); - - /* sum up response times */ - avg_response_time += ipc_response_time; - i++; - - /* test complete? */ - if (flood_duration_test) { - if (ktime_to_ns(end) >= test_end) - break; - } else { - if (i == ipc_count) - break; - } - } - - if (ret < 0) - dev_err(sdev->dev, - "error: ipc flood test failed at %d iterations\n", i); - - /* return if the first IPC fails */ - if (!i) - return ret; - - /* compute average response time */ - do_div(avg_response_time, i); - - /* clear previous test output */ - memset(dfse->cache_buf, 0, IPC_FLOOD_TEST_RESULT_LEN); - - if (flood_duration_test) { - dev_dbg(sdev->dev, "IPC Flood test duration: %lums\n", - ipc_duration_ms); - snprintf(dfse->cache_buf, IPC_FLOOD_TEST_RESULT_LEN, - "IPC Flood test duration: %lums\n", ipc_duration_ms); - } - - dev_dbg(sdev->dev, - "IPC Flood count: %d, Avg response time: %lluns\n", - i, avg_response_time); - dev_dbg(sdev->dev, "Max response time: %lluns\n", - max_response_time); - dev_dbg(sdev->dev, "Min response time: %lluns\n", - min_response_time); - - /* format output string */ - snprintf(dfse->cache_buf + strlen(dfse->cache_buf), - IPC_FLOOD_TEST_RESULT_LEN - strlen(dfse->cache_buf), - "IPC Flood count: %d\nAvg response time: %lluns\n", - i, avg_response_time); - - snprintf(dfse->cache_buf + strlen(dfse->cache_buf), - IPC_FLOOD_TEST_RESULT_LEN - strlen(dfse->cache_buf), - "Max response time: %lluns\nMin response time: %lluns\n", - max_response_time, min_response_time); - - return ret; -} -#endif static ssize_t sof_dfsentry_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) { -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST) - struct snd_sof_dfsentry *dfse = file->private_data; - struct snd_sof_dev *sdev = dfse->sdev; - unsigned long ipc_duration_ms = 0; - bool flood_duration_test = false; - unsigned long ipc_count = 0; - struct dentry *dentry; - int err; -#endif size_t size; char *string; int ret; @@ -357,78 +247,6 @@ static ssize_t sof_dfsentry_write(struct file *file, const char __user *buffer, size = simple_write_to_buffer(string, count, ppos, buffer, count); ret = size; -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST) - /* - * write op is only supported for ipc_flood_count or - * ipc_flood_duration_ms debugfs entries atm. - * ipc_flood_count floods the DSP with the number of IPC's specified. - * ipc_duration_ms test floods the DSP for the time specified - * in the debugfs entry. - */ - dentry = file->f_path.dentry; - if (strcmp(dentry->d_name.name, "ipc_flood_count") && - strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) { - ret = -EINVAL; - goto out; - } - - if (!strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) - flood_duration_test = true; - - /* test completion criterion */ - if (flood_duration_test) - ret = kstrtoul(string, 0, &ipc_duration_ms); - else - ret = kstrtoul(string, 0, &ipc_count); - if (ret < 0) - goto out; - - /* limit max duration/ipc count for flood test */ - if (flood_duration_test) { - if (!ipc_duration_ms) { - ret = size; - goto out; - } - - /* find the minimum. min() is not used to avoid warnings */ - if (ipc_duration_ms > MAX_IPC_FLOOD_DURATION_MS) - ipc_duration_ms = MAX_IPC_FLOOD_DURATION_MS; - } else { - if (!ipc_count) { - ret = size; - goto out; - } - - /* find the minimum. min() is not used to avoid warnings */ - if (ipc_count > MAX_IPC_FLOOD_COUNT) - ipc_count = MAX_IPC_FLOOD_COUNT; - } - - ret = pm_runtime_get_sync(sdev->dev); - if (ret < 0 && ret != -EACCES) { - dev_err_ratelimited(sdev->dev, - "error: debugfs write failed to resume %d\n", - ret); - pm_runtime_put_noidle(sdev->dev); - goto out; - } - - /* flood test */ - ret = sof_debug_ipc_flood_test(sdev, dfse, flood_duration_test, - ipc_duration_ms, ipc_count); - - pm_runtime_mark_last_busy(sdev->dev); - err = pm_runtime_put_autosuspend(sdev->dev); - if (err < 0) - dev_err_ratelimited(sdev->dev, - "error: debugfs write failed to idle %d\n", - err); - - /* return size if test is successful */ - if (ret >= 0) - ret = size; -out: -#endif kfree(string); return ret; } @@ -444,25 +262,6 @@ static ssize_t sof_dfsentry_read(struct file *file, char __user *buffer, int size; u8 *buf; -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST) - struct dentry *dentry; - - dentry = file->f_path.dentry; - if ((!strcmp(dentry->d_name.name, "ipc_flood_count") || - !strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) && - dfse->cache_buf) { - if (*ppos) - return 0; - - count = strlen(dfse->cache_buf); - size_ret = copy_to_user(buffer, dfse->cache_buf, count); - if (size_ret) - return -EFAULT; - - *ppos += count; - return count; - } -#endif size = dfse->size; /* validate position & count */ @@ -606,17 +405,6 @@ int snd_sof_debugfs_buf_item(struct snd_sof_dev *sdev, dfse->size = size; dfse->sdev = sdev; -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST) - /* - * cache_buf is unused for SOF_DFSENTRY_TYPE_BUF debugfs entries. - * So, use it to save the results of the last IPC flood test. - */ - dfse->cache_buf = devm_kzalloc(sdev->dev, IPC_FLOOD_TEST_RESULT_LEN, - GFP_KERNEL); - if (!dfse->cache_buf) - return -ENOMEM; -#endif - debugfs_create_file(name, mode, sdev->debugfs_root, dfse, &sof_dfs_fops); /* add to dfsentry list */ @@ -662,24 +450,6 @@ int snd_sof_dbg_init(struct snd_sof_dev *sdev) return err; #endif -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST) - /* create read-write ipc_flood_count debugfs entry */ - err = snd_sof_debugfs_buf_item(sdev, NULL, 0, - "ipc_flood_count", 0666); - - /* errors are only due to memory allocation, not debugfs */ - if (err < 0) - return err; - - /* create read-write ipc_flood_duration_ms debugfs entry */ - err = snd_sof_debugfs_buf_item(sdev, NULL, 0, - "ipc_flood_duration_ms", 0666); - - /* errors are only due to memory allocation, not debugfs */ - if (err < 0) - return err; -#endif - return 0; } EXPORT_SYMBOL_GPL(snd_sof_dbg_init); diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h index cca239c09d0e..e44158410b24 100644 --- a/sound/soc/sof/sof-priv.h +++ b/sound/soc/sof/sof-priv.h @@ -50,10 +50,6 @@ extern int sof_core_debug; #define SOF_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \ SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_FLOAT) -#define ENABLE_DEBUGFS_CACHEBUF \ - (IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE) || \ - IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST)) - /* So far the primary core on all DSPs has ID 0 */ #define SOF_DSP_PRIMARY_CORE 0 @@ -301,7 +297,7 @@ struct snd_sof_dfsentry { * or if it is accessible only when the DSP is in D0. */ enum sof_debugfs_access_type access_type; -#if ENABLE_DEBUGFS_CACHEBUF +#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE) char *cache_buf; /* buffer to cache the contents of debugfs memory */ #endif struct snd_sof_dev *sdev;