Date: Mon, 18 Jun 2007 12:34:21 -0700 (PDT) From: youshi10@u.washington.edu To: hackers@freebsd.org Subject: Re: Making sense of ktrace(1) output Message-ID: <Pine.LNX.4.43.0706181234210.1900@hymn01.u.washington.edu> In-Reply-To: <20070618191609.GM1181@turion.vk2pj.dyndns.org>
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On Tue, 19 Jun 2007, Peter Jeremy wrote: > On 2007-Jun-18 15:37:11 +0200, Roman Divacky <rdivacky@freebsd.org> wrote: >> well.. instead of using ktrace I'd suggest building profiled pkg_add >> and see that way where the time is spent. ktrace is great if you dont >> have the source code... but you do :) > > If you decide to go this route, you might like to apply > http://www.freebsd.org/cgi/query-pr.cgi?pr=99800 > > By default gmon.out is overwritten by each process so you will only > get the output from the last process of a given name. My patch > optionally saves the profiling output each process in a separate file. > gprof(1) can already accumulate the output from multiple files so this > patch gives you the ability to profile multiple executions of a single > executable. You will still need to glue together the profiling > results from each executable. > > -- > Peter Jeremy > Yeah, I noticed that. Thanks for the heads up on the PR :). Why not create a flag though instead of check to see if an environment variables been set? -Garrett
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