From nobody Sun Dec 19 09:32:33 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 030BA18FE3B2 for ; Sun, 19 Dec 2021 09:32:34 +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 4JGyDd5Ccnz3lNf for ; Sun, 19 Dec 2021 09:32:33 +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 9342F20349 for ; Sun, 19 Dec 2021 09:32:33 +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 1BJ9WXXt058518 for ; Sun, 19 Dec 2021 09:32:33 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 1BJ9WXQK058517 for bugs@FreeBSD.org; Sun, 19 Dec 2021 09:32:33 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: Sun, 19 Dec 2021 09:32:33 +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: 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=1639906353; 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=SUd2fns4INFr+z7WRVz/7r6aFSvGvsmur5/aiECz9kM=; b=QfmVc3AL5Fosnc+SilNVGP9OabNNJql35SqEDxAQHazntFHwnCTPVS3U/Nk9uLd//l82Z2 nOeKGtGrX9KrmeGmBMceC0nNKsBKQ3Jw2U0A216Dp/I/oKXD+w8I6P8epeZ1IWNM9nZ6/p Z+i2pSWiuJb1DF8dO9qwWf6PyPc9B6XnCwQ2v7f/6ZZAPJT7Wcf8YNx9An+O7iVJAGkwSV ZCHV3kkAWVVmWjRjOxNHijF67pRW0zUTFehSe6JPetsVfneq28jbcq2k8lIy3m6+uU2O0h Cesg5OfCbi6pQPRn168L9JaIdDs9l/vH76Qzi9R8ZlVHSnRCjxdWfuG0CkXXCg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1639906353; a=rsa-sha256; cv=none; b=ZdJxcnEZ+JsLlTpez7kl3ZS9+tzHucCOKvmCY8TdR0nghBJjcTfDmxfnsuAxchbJgywY6n cR/SYGnvokSIP/mHFdJU0To+I8JXF3VR9JG1v1oV37XGEXr0wqB/pffYI4gTE6bO7ntSv2 uJDQ+dGQQKMDv1eAeRL15kDCmch8b5AwojxXx56YX7TjJ2+TmuLdnlveKm2E6nt5T6xruk MnyeF4Rt40IaNBTqk42cb73m3BBocGUFTDDfZjy/wkMXa83ffVKl/MfUZwHXeWlXzuBMJu 49EwUkM7blPa2zAOaaYpzvuNcro0oBpTdgYgMNoRbrFHdvinvSq4yg8kV+izlA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256594 --- Comment #4 from Andriy Gapon --- On my setup, also with a Zen 3 CPU, machdep.idle=3Dmwait seems to improve = the situation. --=20 You are receiving this mail because: You are the assignee for the bug.=