From nobody Sat Oct 12 15:55:20 2024 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 4XQp3t2VQbz5YbJX for ; Sat, 12 Oct 2024 15:55:22 +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 "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4XQp3t1QyDz40l7 for ; Sat, 12 Oct 2024 15:55:22 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1728748522; 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=CIbpVQtEl03AiN9G3y5hlk0bNcJ+7U9K21YvMmXSa34=; b=pHszzUSXpWfIiCqaIqXRGjfsvmUFarD1JIN8b5qvdGcQ6CtBgPYwWxYXjnL7+W/YtCAf7P kDHoUhUGbfAM86ExUyJpbUFaSi993s0XlYAZYl1TIvmboP/NbsqO363TwO64VgIVf1My+g RTfz2rffHv2T9sTXp7I3fsSw19DdQBZUJweyIYWhURkZqBys3+mip9sahvd1bv/nsKLod9 KB/6Vvhm1629WH2HkYcmK0F8YOGKJol2hoi9Qjt500l9U8Mh81JiIMsqBVCpC9Too2sWNd qW0QzFRXohLT01BLuzUBKSLmLAlPbZnqn0Guk1kyNg1q1pT/he2va1a4wBRyhQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1728748522; a=rsa-sha256; cv=none; b=MnnyZpmaT4iqJ7pgkWCdkMRMi8M7HdcSua/WpY5RXcaIuVxDqR1nis4Hin5sqxeqvpANKm uHy5NpFDZ1r/7pcOmYByk4cOgi1cSYwdmoik/l7ZpbkRTLdES+TX7eHqadNlnVzrHSnpt8 B+KJiKdZ6qX975DoWoqRhHwbsDHysPOrGY5Yk+1xtaJwPvnG3IhYQYF5vESUsTh/yM0o1P wV5EZJ5YL5wejB8esMyRN32QQ5mH7WQCUbqUJqDZRMeJJuvRCqVFV+rWnwYYyRIxaEbnEq ycotKhxuJED7hRRgQ+AUsIs9e21HWjO9K23IW5sAeuLaXKQPOXvh/C23TbnlWw== 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 4XQp3t10j9zGxJ for ; Sat, 12 Oct 2024 15:55:22 +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 49CFtMSh084562 for ; Sat, 12 Oct 2024 15:55:22 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 49CFtMdT084561 for bugs@FreeBSD.org; Sat, 12 Oct 2024 15:55:22 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 256594] AMD Ryzen CPU stutter (responsiveness lag) Date: Sat, 12 Oct 2024 15:55:20 +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: 13.0-STABLE X-Bugzilla-Keywords: performance X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: markj@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status cc 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 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256594 Mark Johnston changed: What |Removed |Added ---------------------------------------------------------------------------- Status|New |Open CC| |markj@FreeBSD.org --- Comment #13 from Mark Johnston --- We have fixed a number of race conditions in the scheduler which could cause high latency when scheduling threads: https://cgit.freebsd.org/src/commit/?id=3D6d3f74a14a83b867c273c6be2599da182= a9b9ec7 https://cgit.freebsd.org/src/commit/?id=3D03f868b163ad46d6f7cb03dc46fb83ca0= 1fb8f69 https://cgit.freebsd.org/src/commit/?id=3Da889a65ba36985dfb31111ac1607be35c= a2b2c8c I wonder if the problem persists on recent releases? i.e., 14.0+, 13.2+. --=20 You are receiving this mail because: You are the assignee for the bug.=