From owner-svn-src-head@freebsd.org Fri Mar 1 02:10:43 2019 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 61DA8152311E; Fri, 1 Mar 2019 02:10:43 +0000 (UTC) (envelope-from yaneurabeya@gmail.com) Received: from mail-pg1-x533.google.com (mail-pg1-x533.google.com [IPv6:2607:f8b0:4864:20::533]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id CAE7F6E2A0; Fri, 1 Mar 2019 02:10:42 +0000 (UTC) (envelope-from yaneurabeya@gmail.com) Received: by mail-pg1-x533.google.com with SMTP id l11so10629392pgq.10; Thu, 28 Feb 2019 18:10:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=krgJt7W/NA5ytxWlt+nRHtiir+HgnsdsOTVd/LHMEG4=; b=XcxZAJeJPHlrnsogOHWOG/gBMSOActWSSPdqkqBl+Mr/ETSDsPyIHj6LliVA8VY/t+ Ly9YCIrmY4RmrA3Fm4JYIG15x8BhH/sG+UWIM8Vq/D4ep3ampNpLumdUOrvQE2/hEZOs 3/EMS68bmLHQYE2fNv88Gno3Da1xYME4vtsJzz/32BilKwvib0bgYV63YOeqS6INq11c SW28WdLiu7jqknHAbvHzAaGemy024NmIc3C/SkiGmBsGRZ5ZJkMohjTaEfLwJa1jPFJK fCML9VbLYQr4ougPT+U38O4wrWoRM7ugWT/g6sYE/hacaCk2NYGsp23eS+aogtcbsGrZ RJgA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=krgJt7W/NA5ytxWlt+nRHtiir+HgnsdsOTVd/LHMEG4=; b=dwV0FuUidRPMTq91Coy1GuXSR1AwDjNQFUBZKbGlq4UbZtiuk3vbwlpSVXwWEDNMz5 Uc1rgfVNbXUBQqszg//ym2f1tdfWqCJO6oUBc7/A9h/ZGiKa0ZTxIUpCYbBz20cuwim1 mwpbm6w/6BHJk3A4mSO62S3+Mf/SplYhJdFhIi/6ml5e+umoxhK4ZkQxAGrZXmISkTu1 KZAaEqeh1OJJqTxjY+TYdVjxTH/EbWo3yfRxKnXKBS11mtIR7RkqZKeVNO3ecZi8fctp qfZMNkv3Hotwp94OT9wUQZqlLwNnQawU8S8yxAsQu2bd61xU+pngVGz29l/4qSae8NuQ x6jg== X-Gm-Message-State: APjAAAXS3kM5MNhCJY3PQEpc8IsRlaUDe/pcfUIu19On/+OsCEMtHqKS fpitDyBVWvrGx/0jtQZh7ON0xGW+ X-Google-Smtp-Source: APXvYqw6A0wIWTCkaZR6/mrl5k+q7G4qDKnw/9+uze7/uZakfZULZtvYzJPEiAokd77tJyWbeahREw== X-Received: by 2002:a65:4608:: with SMTP id v8mr2432953pgq.9.1551406241337; Thu, 28 Feb 2019 18:10:41 -0800 (PST) Received: from [192.168.20.7] (c-73-19-52-228.hsd1.wa.comcast.net. [73.19.52.228]) by smtp.gmail.com with ESMTPSA id s79sm12374121pfa.61.2019.02.28.18.10.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 28 Feb 2019 18:10:40 -0800 (PST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 12.2 \(3445.102.3\)) Subject: Re: svn commit: r344487 - in head/sys: conf gnu/gcov From: Enji Cooper In-Reply-To: Date: Thu, 28 Feb 2019 18:10:39 -0800 Cc: Alan Somers , src-committers , svn-src-all , svn-src-head Content-Transfer-Encoding: quoted-printable Message-Id: <710DC3F1-CEBA-4450-B484-7E4A94CDB67D@gmail.com> References: <201902232114.x1NLE0cH085345@repo.freebsd.org> To: Matthew Macy X-Mailer: Apple Mail (2.3445.102.3) X-Rspamd-Queue-Id: CAE7F6E2A0 X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-6.98 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.98)[-0.978,0]; REPLY(-4.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Mar 2019 02:10:43 -0000 > On Feb 28, 2019, at 5:39 PM, Matthew Macy wrote: >=20 > to config add: > options LINDEBUGFS > options GCOV >=20 > compile kernel with gcc (otherwise it will be a no-op) >=20 > sysctl debug.gcov.enable=3D1 >=20 > mount -t debugfs debugfs /sys/kernel/debug >=20 > (or wherever) and the output artifacts will appear under gcov/ build path> - you need to be root to see the artifacts >=20 > gcov can then generate the results as it would normally from the > profiling and the build time artifacts >=20 > bug reports welcome Shouldn=E2=80=99t this be documented on the wiki? Thanks! -Enji=