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=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 DE588C43603 for ; Sat, 7 Dec 2019 20:07:45 +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 A6194205F4 for ; Sat, 7 Dec 2019 20:07:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="ny6lsm8q" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A6194205F4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ethgen.ch 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 0923515F2; Sat, 7 Dec 2019 21:06:52 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 0923515F2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1575749262; bh=BJDBn8Duqq3/Iq8m/mNVr4EyeS4KYh5wqyKnnzjWV2U=; h=Date:From:To:References:In-Reply-To:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=ny6lsm8qgYE8jLK1iVEDZ9EvGlM33Vp66qT01knRRx9sh05mMwunqtrmoEZnJntDR wppIc2eQcxejFrlFKvx4EWIAEKV0ODC2oxhDmFDZUUfyTO3l1URTWkXPEq7T28oPSv 0U5NyoChbH/+Au+tMVGFjNDFXDli5XjSlQPDlFNY= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 77DD9F8015A; Sat, 7 Dec 2019 21:06:51 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id F28EEF801F8; Sat, 7 Dec 2019 21:06:49 +0100 (CET) Received: from tschil.ethgen.ch (tschil.ethgen.ch [5.9.7.51]) (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 3F417F80108 for ; Sat, 7 Dec 2019 21:06:46 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 3F417F80108 Received: from [192.168.17.4] (helo=ikki.ket) by tschil.ethgen.ch with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1idgLk-0007bm-8p; Sat, 07 Dec 2019 21:06:44 +0100 Received: from klaus by ikki.ket with local (Exim 4.93-RC7) (envelope-from ) id 1idgLj-0002kT-Rf; Sat, 07 Dec 2019 21:06:43 +0100 Date: Sat, 7 Dec 2019 21:06:43 +0100 From: Klaus Ethgen To: Takashi Iwai Message-ID: <20191207200643.GA10092@ikki.ethgen.ch> References: <20191202184759.GB29478@ikki.ethgen.ch> MIME-Version: 1.0 In-Reply-To: OpenPGP: id=79D0B06F4E20AF1C; url=http://www.ethgen.ch/~klaus/79D0B06F4E20AF1C.txt; preference=signencrypt User-Agent: Mutt/1.10.1 (2018-07-13) Cc: alsa-devel@alsa-project.org Subject: Re: [alsa-devel] CPU hook snd_hda_intel 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: , Content-Type: multipart/mixed; boundary="===============7970209909118755836==" Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" --===============7970209909118755836== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="WhfpMioaduB5tiZL" Content-Disposition: inline --WhfpMioaduB5tiZL Content-Type: multipart/mixed; boundary="gBBFr7Ir9EOA20Yy" Content-Disposition: inline --gBBFr7Ir9EOA20Yy Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Hi Takashi, Am Mi den 4. Dez 2019 um 17:31 schrieb Takashi Iwai: > I guess checking the perf output would give you more clue, e.g. which > function is hogging the CPU. Without such information, it's very hard > to diagnose... No problem, I just had the problem today again. Find attached the perf output of the relevant event handler. Regards Klaus -- Klaus Ethgen http://www.ethgen.ch/ pub 4096R/4E20AF1C 2011-05-16 Klaus Ethgen Fingerprint: 85D4 CA42 952C 949B 1753 62B3 79D0 B06F 4E20 AF1C --gBBFr7Ir9EOA20Yy Content-Type: application/octet-stream Content-Disposition: attachment; filename="perf-output.bz2" Content-Transfer-Encoding: base64 QlpoOTFBWSZTWbxBo0oAMI5/+HX/Paf69//z2ny/C/////TwBgDAGAMAQGAe33bQEQAAL4Qv dwfRgeNrPsD3NUhbNIbNnJzstZJK4ncwFGVs2wFrNdu7hAdlAKcDzdtbXwHN4ZutgAg09Qg1 MhKo9Q00NAAAAGg0APUaaAAaDQA0AGqfqp+9VJ/6pUoAAAaAAAAA0aGQAAAAAAAlNpVP1U1N 6m1UmgxMQeoANAyaAAAAAAAAGmgBJ6qlP1Kg9JP1TT0mgNAAAAAAAAAAAAAACapRNACJpMFP RMp5T9SHpDTIaNDQBoaMaj1NAAA9Q0AKiRJpooyjVPTKGgep6jT1B6h6gDQAAAABoNA9QBp9 nBJ8iyRIT60/fpZKfXPrNauZmKxdMWEA8gzDxxhIGZ/PB6fnes/Ct/dvwZnSfxZ1/L6eHtfB b1JD1O8K/6ELiEv1rnK291aYxNrTD3V3vxnDeerqkTjbhouNOzTvOWzU1p3O0xXV2dXTb4e0 3jvEzR1dJ+w44icDlxOdp++7rm6dulzjl7PCtEp+wybun9I0QbAZxJVbL61ZNzWub8XTbmFS OHdcxcMmLJ9nBByAziVW1DbxENfh1l3Tu6IzAbB1EyGjUp9HBBQDOLJobqeoawFiBrHYFgGS 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