From nobody Tue Oct 22 09:00:22 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 4XXmNS68F3z5F1Z4 for ; Tue, 22 Oct 2024 09:00:24 +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 4XXmNS4zT8z4SXG for ; Tue, 22 Oct 2024 09:00:24 +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=1729587624; 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=BloFu4Pc6E9Ezulrxpsko21PoiCwUhzHNkIx6Fy0xos=; b=Bg/6HZAPK/uepZR+enIanqIB36Gew6gLZPghSLEvPMUXQW93e2gU+lv7y3q2bQxdOeKLmo y6VANWv6N+T4jtd+FiwkCPO4YtNV5IFDFOFgz8JZIzMHRcwwh4KJQUXzyGRSfnhm8qPUSV NN1lui8+XeZq/SQj4y/1Ru9qXRn/oobTtGIfVnD5zm3dxVplL9mz+s6CdMnZyIVc1Z5mWp PPRA4iTLqxTfyWfgf7I+BOVWaMD7URRzg2/5ly1im2ZXWMm69zhidQVYyNBvonFUnH0h5Z C7uEuwIvkWm6raqbceTxDQ5jJSpuS16Z5jY1PM/R8W+wiohRpDIaDTnFRcFF9w== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1729587624; a=rsa-sha256; cv=none; b=rP+mBCi8VMki8XVV+RBkYJ2Y48VaMRl8KFHVMTER9CYEXRl8pW4aq4yNJjLbnwO8S8rU4O Roz3KJha87DLV30Lhml43OpcgRbnGpI0b+69CblMBxiy6ua2xIkIEkeNLL8QpeTKAva6Yt LQ3AjA6K3pB99ZTvZN5OipTcWQbhlAMYTBQ1AqEYjNt2iEjsetU5CYeodI4rFG9v3mZeHR dM87wRAzSRsYrjesC3bp9CZlk+Sgcmayja9+sUTv5IaE5Gj+vjowp439v/LAOfMKyExjfj lFmM+OIrIiU1UlVofNO0VFcqWhnKchar7TEBCn8456aI0+xAl8Ur754198cfAQ== 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 4XXmNS4SVQz1704 for ; Tue, 22 Oct 2024 09:00:24 +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 49M90O9T079768 for ; Tue, 22 Oct 2024 09:00:24 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 49M90OQ3079767 for bugs@FreeBSD.org; Tue, 22 Oct 2024 09:00:24 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: Tue, 22 Oct 2024 09:00:22 +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: avg@FreeBSD.org X-Bugzilla-Status: Closed X-Bugzilla-Resolution: FIXED 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 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256594 --- Comment #16 from Andriy Gapon --- Just in case, I want to share an old discovery of mine: https://forums.FreeBSD.org/threads/variable-ping-latency-on-ryzen-setup.827= 91/post-547552 The point is that not all "micro-stutter" can be attributed to FreeBSD. The hardware itself may introduce it during very low utilization for power saving reasons. --=20 You are receiving this mail because: You are the assignee for the bug.=