From nobody Sat Jan 14 00:17:17 2023 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 4NtzPT5nhCz2r7mt for ; Sat, 14 Jan 2023 00:17:17 +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 4NtzPT4MTWz3DPV for ; Sat, 14 Jan 2023 00:17:17 +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=1673655437; 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; 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Sat, 14 Jan 2023 00:17:17 +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 30E0HHh5030880 for ; Sat, 14 Jan 2023 00:17:17 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 30E0HHmM030879 for bugs@FreeBSD.org; Sat, 14 Jan 2023 00:17:17 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 268944] pmcstat -p on arm64 spews spaces to stdout Date: Sat, 14 Jan 2023 00:17:17 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 13.1-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: jfc@mit.edu X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: 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 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D268944 Bug ID: 268944 Summary: pmcstat -p on arm64 spews spaces to stdout Product: Base System Version: 13.1-STABLE Hardware: arm64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: jfc@mit.edu On an Ampere eMAG system pmcstat spews millions of spaces to stdout even wh= en it traces a short-running program. $ pmcstat -p instructions ls > /dev/null 2> /tmp/pmc.out $ od -x /tmp/pmc.out 0000000 2023 2020 2020 2020 2020 2020 2020 2020 0000020 2020 2020 2020 2020 2020 2020 2020 2020 * 1073037460 2020 2020 7020 692f 736e 7274 6375 6974 1073037500 6e6f 2073 200a 2020 2020 2020 2020 2020 1073037520 2020 2020 2020 2020 2020 2020 2020 2020 * 2166077200 3420 3830 3236 3731 0a20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 2166077212 $ ls -ld /tmp/pmc.out -rw-r--r-- 1 jfc wheel 299400842 Jan 13 19:09 /tmp/pmc.out $ uname -a FreeBSD marmota 13.1-STABLE FreeBSD 13.1-STABLE #44 marmota-n253284-e10da2da2ae9: Tue Dec 13 20:59:21 EST 2022=20=20=20=20 root@marmota:/usr/obj/usr/src/arm64.aarch64/sys/MARMOTA arm64 My test was in /usr/src and ls produced 33 lines of output. In an empty directory ls completes before pmcstat can go crazy. --=20 You are receiving this mail because: You are the assignee for the bug.=