From nobody Sun Dec 19 09:51:08 2021 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id A71EB19014CC for ; Sun, 19 Dec 2021 09:51:08 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4JGyf42V3Gz3n2j for ; Sun, 19 Dec 2021 09:51:08 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 35DA420801 for ; Sun, 19 Dec 2021 09:51:08 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 1BJ9p8vn065659 for ; Sun, 19 Dec 2021 09:51:08 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 1BJ9p8EP065658 for bugs@FreeBSD.org; Sun, 19 Dec 2021 09:51:08 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 254040] AMD 5950X hyperthreading strange performance swings Date: Sun, 19 Dec 2021 09:51:08 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 12.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: avg@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1639907468; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=jBPmmmCMRzVn98BVHp0EjBhcrYKjfSR+oOKB3RWD/gY=; b=xqDJ+xL6SphuRowy+4wVWqcjFWoHnQRppTclV6nYQIweq0XHpyrtyEdweJ42mz2fv4KbRR 5vKJHPkdPqbUvWepHQxXYQBy8IZSf4Uz7mKFXxkGa4W812iSDiLS/4CrDq1R04znzLWouS YmKB0lJf3gFVEWIpiWT3fhg+PhgJrk+BG1AVTtoB7Fd4/td2264c0pa7G7vQSFq+UDGTIv SX/oWE4F4TYC6NSiVfr51+yUU0aUF+KidX7XYm7NBineNAlE09QXVDufCh8dBHeOLKpFKO 8TL0xqpmsZVRE8Qx4lk93z1cRNJsE64fhLn1ww/m9EbHWzTwD4UznckgLHRPsg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1639907468; a=rsa-sha256; cv=none; b=l5LCO2AZEAn0vMxSojxbQ1Pltm1Ae1sZt5MWs8YzKgs5cw5kkQ2Qv2nppBPcuXUo1AU7Cj 224bGR9RgRQXfkJxOZZx25NA07y3+hAp/9SHoX9BBrGJulKvmTMjp47TBUKAqko5rY48hQ f4zQfRDUrUGPFaydU6ZUTT34+4jHwLRXmxs0LBpUpaXYvg4vWTZjaVhXOcA2jN13UkInT2 vjQGlzrGbkXN29DqKSWPwvAzAXJsS8ygRTdX3lPMpoWMLMX2fkYuFw3zhNJG2vWaYLBbWh 5HN98XcbCanPqbArhg9Ut62RA/gM8s4qgxGmuJsn6uhgUbikdFbIfR4t2u8DoA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D254040 --- Comment #1 from Andriy Gapon --- Do you think that this is the same issue as bug 256594? Also, did you try disabling PBO (Precision Boost Overdrive) as opposed to C= PB? --=20 You are receiving this mail because: You are the assignee for the bug.=