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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id D305FC7EE2E for ; Fri, 9 Jun 2023 11:58:06 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0B61E8E0003; Fri, 9 Jun 2023 07:58:06 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 065EA8E0001; Fri, 9 Jun 2023 07:58:05 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E6FFB8E0003; Fri, 9 Jun 2023 07:58:05 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id D414E8E0001 for ; Fri, 9 Jun 2023 07:58:05 -0400 (EDT) Received: from smtpin05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id A45DEC01FF for ; Fri, 9 Jun 2023 11:58:05 +0000 (UTC) X-FDA: 80883060930.05.413B2FA Received: from mo4-p01-ob.smtp.rzone.de (mo4-p01-ob.smtp.rzone.de [81.169.146.166]) by imf15.hostedemail.com (Postfix) with ESMTP id 683DEA000A for ; Fri, 9 Jun 2023 11:58:03 +0000 (UTC) Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=chronox.de header.s=strato-dkim-0002 header.b=FYQQyAcf; dkim=pass header.d=chronox.de header.s=strato-dkim-0003 header.b=zZatpjSO; dmarc=none; arc=pass ("strato.com:s=strato-dkim-0002:i=1"); spf=none (imf15.hostedemail.com: domain of smueller@chronox.de has no SPF policy when checking 81.169.146.166) smtp.mailfrom=smueller@chronox.de ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1686311883; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=vRq8ae7jWYtehtlg04q7apnyU2ut1Gx4bpA4PsnAFFU=; b=7zO14mBPiMQT7QA6cC8+3CZAyLnK2ROarjhMsIj1AHR9NBtkxTbgXY+MTFnQgCGyFXgc6C UmBQVxaH99tQdcg+w2E2IO8BupnXgVIts5MtPTsjC44dB9/9MHO2t10poXOBu5nExS9J32 SdBjPk+MtEqd+ACZ9Lm51ihPKFt7ahU= ARC-Authentication-Results: i=2; imf15.hostedemail.com; dkim=pass header.d=chronox.de header.s=strato-dkim-0002 header.b=FYQQyAcf; dkim=pass header.d=chronox.de header.s=strato-dkim-0003 header.b=zZatpjSO; dmarc=none; arc=pass ("strato.com:s=strato-dkim-0002:i=1"); spf=none (imf15.hostedemail.com: domain of smueller@chronox.de has no SPF policy when checking 81.169.146.166) smtp.mailfrom=smueller@chronox.de ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1686311883; a=rsa-sha256; cv=pass; b=i5nemLBpzY9gzt/wYFj4b/G/9vkgtnhVT6OgKO9mFqs94pK0bZNay3hXYaHL9GwsaeZZCR BpU8JcfMBSlO0dgmQ+j6s6+GSxCbAah01MHRJhEKwuFz/Lbo46Wbv6lVe7kJGBTj/8Egsj y3n/J+Zx5N7aAuDe44GtcfjqaOsWw84= ARC-Seal: i=1; a=rsa-sha256; t=1686311849; cv=none; d=strato.com; s=strato-dkim-0002; b=FsJQR3Tc07NiM/n6LQksnp678Qin0+agygLE7aq4Qcir9ttR4aXpR+GjfKXVopr8l2 EFSgtATlBTQ/2geFw2Z/g41b122bSGKqpdxi2qyWxBjj0k+jLH4iuIEYZZn92AfjS5Wz t5O/VhUkW1UFA380MiKf9w66u3URQDkUE6TU6s3ntPs92yceaIf4M379xYCk9bD+p0e7 U++Ad9jpqXBD9i1hAJoyjiOsutn2utErOwS/Nz9DaH6kOYOZGaVSKqVnpGk+ufEl5xG5 GmEeHoXBqcZ+m3rXFFrzDb9x9qNpXbdUvUHpp8ZhvVAAsw0fwLEYCsxNXD0ikow8EI09 sFlQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; t=1686311849; s=strato-dkim-0002; d=strato.com; h=References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Cc:Date: From:Subject:Sender; bh=vRq8ae7jWYtehtlg04q7apnyU2ut1Gx4bpA4PsnAFFU=; b=XfVz+A89j7JHJz9Sf4bUxyQFOWb3gLzVGknOerkUSYyKR1tVWRtNoUcm/dNYkJnYSP 1e0mWzjWIhW5zzwXlITE5DldpZ1LfIXZU7b8Cx/omx3kmVymmSxfdC0WAJu5ypmKluYo I3jkbC+5ygEhYJNxkUqpqFidhAv/+wGYCO2MWt6uSoVmJUwyJLPaf1LB/FhVRBOm2fCz vIypOrPSC2CLJhu56Ha4nuPXm5W3jBUaoLb46hxTI5ru5Mkpkb1gZo1g/Yteo+IN/Gfl mhP3GpYS32uoPE95tC8s6KR1Ng56l7JXgvrU2zjCEofvxMlM7tM8vtfVs8J0N2d7hp+x n8GQ== ARC-Authentication-Results: i=1; strato.com; arc=none; dkim=none X-RZG-CLASS-ID: mo01 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1686311849; s=strato-dkim-0002; d=chronox.de; h=References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Cc:Date: From:Subject:Sender; bh=vRq8ae7jWYtehtlg04q7apnyU2ut1Gx4bpA4PsnAFFU=; b=FYQQyAcf359sE/nAIOrGFpOgjT/xMFcUjwB5562M4xnQ1fhQ1In9Rp1LFaWReYvrnq 3iOLpMg3gHNvYErLSYB/1KeA3jbK3sKc5ByJ/jgyJmoN0PbM/EyKz62l+e/bhHWIV+Rr WIkW/6Yxlfy6XXEoWtnjUyMhK4SgHgVFiC1+m2tug6WFxUEjgD4astWpUIVGWWBr5MpV pv4kIP8axBrynoZ/Xc0Q9y6FP9lY17hbQT/AMj9l2uZCObd8VEbD9tHByeAtD5UBBVA3 9rnuvssJI9jd4qOPd56ISUCPQXH4CGALqNocoGA8lmgkU7vXh3jDIQjvihCZOewkeUQ9 akWw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; t=1686311849; s=strato-dkim-0003; d=chronox.de; h=References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Cc:Date: From:Subject:Sender; bh=vRq8ae7jWYtehtlg04q7apnyU2ut1Gx4bpA4PsnAFFU=; b=zZatpjSOYGHysDNPj6vB3K0NFdKiQE8emo1fEE6k4ZjWAqkGmVwo7DZIPdKl4U7Ws7 gA4fjAslI/a3MHJVrRBA== X-RZG-AUTH: ":P2ERcEykfu11Y98lp/T7+hdri+uKZK8TKWEqNyiHySGSa9k9y2gdNk2TvDz0d0iwLwE=" Received: from tauon.chronox.de by smtp.strato.de (RZmta 49.5.3 AUTH) with ESMTPSA id qe6984z59BvRgyL (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Fri, 9 Jun 2023 13:57:27 +0200 (CEST) From: Stephan Mueller To: kernel test robot Cc: oe-lkp@lists.linux.dev, lkp@intel.com, Linux Memory Management List , Herbert Xu , linux-crypto@vger.kernel.org, ying.huang@intel.com, feng.tang@intel.com, fengwei.yin@intel.com, oliver.sang@intel.com Subject: Re: [linux-next:master] [crypto] bb897c5504: stress-ng.af-alg.ops_per_sec -8.0% regression Date: Fri, 09 Jun 2023 13:57:27 +0200 Message-ID: <1697789.S9sCK8dtJg@tauon.chronox.de> In-Reply-To: <202306081658.d5c86ae9-oliver.sang@intel.com> References: <202306081658.d5c86ae9-oliver.sang@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Rspam-User: X-Stat-Signature: h4txdgxydc34cyqyecw5zkxjr45ki6cy X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 683DEA000A X-HE-Tag: 1686311883-166082 X-HE-Meta: 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 /D1e1OML CX5ZDqU5tshMS+0Ymzgowfggzb888ODEdGQmZHhDr9s4HYZevycDn+C75uUiQ0oqmU2iD5VCAFO9F2npI6dIRdErC2O1shVmE7Uwyp7MFpVzUJfARMGMhvVuiiWmjv/v1rgN4wGTs86lRHDTKf2BpNeHplPT/mIErwAY4PJuQ1lsXSpu+x9i/SF5DCiykzKSHhDFQuJjYB5sFQJO8HxLk3kILg31e+G9pLDSc/W2K2lZzJzzm1YlKhtoRvJe4ZjEfuSbP3lcbfG9Z3zt1p8qd6WjbH4Zld0Ne5/p0GdfWx6wI9imoDrWI/eyCQvwojkpjPBoNg23uyaS/NlYWAQYeri9iH9yi5oyt8o35 X-Bogosity: Ham, tests=bogofilter, spamicity=0.077501, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Am Freitag, 9. Juni 2023, 10:02:32 CEST schrieb kernel test robot: Hi, > Hello, > > kernel test robot noticed a -8.0% regression of stress-ng.af-alg.ops_per_sec > on: > > > commit: bb897c55042e9330bcf88b4b13cbdd6f9fabdd5e ("crypto: jitter - replace > LFSR with SHA3-256") > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master > > testcase: stress-ng > test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ > 3.00GHz (Cascade Lake) with 128G memory parameters: Thank you for the report, but this change in performance is expected to ensure proper entropy collection. I assume that the jitterentropy_rng is queried via AF_ALG. Considering that the amount of data to be generated (and thus the effect of the performance degradation) is small, there should be no noticeable impact on users. Ciao Stephan