From owner-freebsd-bugs@FreeBSD.ORG Sat Apr 18 07:04:22 2015 Return-Path: Delivered-To: freebsd-bugs@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 29E90D9A for ; Sat, 18 Apr 2015 07:04:22 +0000 (UTC) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 0B45033E for ; Sat, 18 Apr 2015 07:04:22 +0000 (UTC) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.14.9/8.14.9) with ESMTP id t3I74LYI035291 for ; Sat, 18 Apr 2015 07:04:21 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 198723] [hwpmc] pmcstat -p (process counting) gets corrupted even if pinned to a CPU Date: Sat, 18 Apr 2015 07:04:22 +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: 11.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: ganbold@gmail.com X-Bugzilla-Status: New X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 18 Apr 2015 07:04:22 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=198723 ganbold@gmail.com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ganbold@gmail.com --- Comment #1 from ganbold@gmail.com --- It seems like PARTIAL_RAT_STALLS.SLOW_LEA_WINDOW and PARTIAL_RAT_STALLS.MUL_SINGLE_UOP related to Sandybridge CPUs. Since I don't have real hardware I tried it in VM: root@bsd:/home/tsgan/himenobmtxpa/src # cpuset -l 0 pmcstat -w 1 -p CPU_CLK_UNHALTED_CORE -p PARTIAL_RAT_STALLS.SLOW_LEA_WINDOW -p PARTIAL_RAT_STALLS.MUL_SINGLE_UOP ./himenobmtxpa M 384 For example: Grid-size= XS (32x32x64) S (64x64x128) M (128x128x256) L (256x256x512) XL (512x512x1024) Grid-size = # p/CPU_CLK_UNHALTED_CORE p/PARTIAL_RAT_STALLS.SLOW_LEA_WINDOW p/PARTIAL_RAT_STALLS.MUL_SINGLE_UOP 3026657 17021 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... Not sure whether my setup is correct or not, but I don't see such big numbers. How many and what type of CPUs do you have? What else is running on your system? How can I test it in Xeon system? -- You are receiving this mail because: You are the assignee for the bug.