From patchwork Fri Dec 2 15:28:39 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cezary Rojewski X-Patchwork-Id: 630256 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 92020C4708E for ; Fri, 2 Dec 2022 15:15:43 +0000 (UTC) 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 BB10F185A; Fri, 2 Dec 2022 16:14:51 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz BB10F185A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1669994141; bh=D2sSBZAYc+Vg9KltmJ/1P5cigpDrjdOXDLq9JRG7bY0=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=aZl8EIRwApqYCwyZBNh+r6RtXK9ZjHMyRDp+RsGoHsA4WV1uSSpYrSSfWOdGsR9d1 dQvETviWBYagjoKhwPPKL/YdZS6YSCsJ7XxbnhPc1HfdDvp5+m5ejqoPOjJUO6rKMx +ia4q4sZZFheI++VhvtADzaGT942XKAftOFpk/h0= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 05D4DF805C8; Fri, 2 Dec 2022 16:12:12 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 577B8F805C9; Fri, 2 Dec 2022 16:12:11 +0100 (CET) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (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 476D9F805B2 for ; Fri, 2 Dec 2022 16:12:04 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 476D9F805B2 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="AItucu/K" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669993925; x=1701529925; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=D2sSBZAYc+Vg9KltmJ/1P5cigpDrjdOXDLq9JRG7bY0=; b=AItucu/K2XiZOHfS9nfBVqh6GJGMAS15pocjOseMVA0g7uulPtWEnRTi RxauMYF4ZtAFlmBkk7u6wOdxtsBEivUequbCfRbTFUa7BP+zGC2w6EI5w EhyL9fahqD7CIyPXOP3nrUE3jW/u1YQN9D2YgSrma9WEeTC/3McStC68h W4PKufNaN0YwSabxc2TrlmqFM1K7fB+oAz3Zs6PwANWWBFz4urhiBr2Sg eZHb/o2smEfeCnshOAZEqk6ipS070gynGZknSpeTVkVBjbDJKQ52GKrmr Sy9qImz4KBfi1iQCVJWXodSvVJvNLwiNV8rKeHeaLELODwNRoCEEtH9hM A==; X-IronPort-AV: E=McAfee;i="6500,9779,10548"; a="402251840" X-IronPort-AV: E=Sophos;i="5.96,212,1665471600"; d="scan'208";a="402251840" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Dec 2022 07:12:03 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10548"; a="708504769" X-IronPort-AV: E=Sophos;i="5.96,212,1665471600"; d="scan'208";a="708504769" Received: from crojewsk-ctrl.igk.intel.com ([10.102.9.28]) by fmsmga008.fm.intel.com with ESMTP; 02 Dec 2022 07:12:01 -0800 From: Cezary Rojewski To: alsa-devel@alsa-project.org, broonie@kernel.org Subject: [PATCH v2 14/16] ASoC: Intel: avs: Gather remaining logs on strace_release() Date: Fri, 2 Dec 2022 16:28:39 +0100 Message-Id: <20221202152841.672536-15-cezary.rojewski@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221202152841.672536-1-cezary.rojewski@intel.com> References: <20221202152841.672536-1-cezary.rojewski@intel.com> MIME-Version: 1.0 Cc: Cezary Rojewski , pierre-louis.bossart@linux.intel.com, tiwai@suse.com, hdegoede@redhat.com, amadeuszx.slawinski@linux.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" When user closes the tracer, some logs may still remain in the tail of the buffer as firmware sends LOG_BUFFER_STATUS notification only when certain threshold of data is reached. Add whatever is left to already gathered logs so no information is lost. Signed-off-by: Cezary Rojewski --- sound/soc/intel/avs/debugfs.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/sound/soc/intel/avs/debugfs.c b/sound/soc/intel/avs/debugfs.c index 678572ee6b9d..e7b0b99824aa 100644 --- a/sound/soc/intel/avs/debugfs.c +++ b/sound/soc/intel/avs/debugfs.c @@ -201,11 +201,25 @@ static int strace_open(struct inode *inode, struct file *file) static int strace_release(struct inode *inode, struct file *file) { + union avs_notify_msg msg = AVS_NOTIFICATION(LOG_BUFFER_STATUS); struct avs_dev *adev = file->private_data; - unsigned long flags; + unsigned long resource_mask; + unsigned long flags, i; + u32 num_cores; + + resource_mask = adev->logged_resources; + num_cores = adev->hw_cfg.dsp_cores; spin_lock_irqsave(&adev->trace_lock, flags); + + /* Gather any remaining logs. */ + for_each_set_bit(i, &resource_mask, num_cores) { + msg.log.core = i; + avs_dsp_op(adev, log_buffer_status, &msg); + } + kfifo_free(&adev->trace_fifo); + spin_unlock_irqrestore(&adev->trace_lock, flags); return 0;