From owner-freebsd-hackers@FreeBSD.ORG Mon Oct 19 15:39:24 2009 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 77D9C1065741; Mon, 19 Oct 2009 15:39:24 +0000 (UTC) (envelope-from kozlov@ravenloft.kiev.ua) Received: from istc.kiev.ua (wolf.istc.kiev.ua [193.108.236.1]) by mx1.freebsd.org (Postfix) with ESMTP id 11DB58FC0A; Mon, 19 Oct 2009 15:39:23 +0000 (UTC) Received: from ravenloft.kiev.ua ([91.123.146.100]) by istc.kiev.ua with esmtp (Exim 4.69) (envelope-from ) id 1MztQV-0008Gg-Ly; Mon, 19 Oct 2009 17:41:35 +0300 Date: Mon, 19 Oct 2009 17:41:35 +0300 From: Alex Kozlov To: Ivan Voras , freebsd-hackers@freebsd.org, spam@rm-rf.kiev.ua Message-ID: <20091019144135.GA91918@ravenloft.kiev.ua> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit Cc: Subject: Re: Make process title - % complete X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Oct 2009 15:39:24 -0000 On Mon, Oct 19, 2009 at 04:35:08PM +0200, Ivan Voras wrote: > >> if nobody objects, I'll commit it :) > > > > I seem to recall that setproctitle() is quite expensive to call; perhaps > > it would make sense offer a flag to prevent make(1) from calling it? [1] > > > > Anyway, the feature looks nice! I'd like to have it... > > > > [1] I'm unsure how expensive it is compared to fork(1)-ing etc; I'd > >    expect it's negligable but who knows... > > The loop it's called in is not processed bazillion times per second > (though it *is* called surprisingly often; small, fast jobs can result > in somewhere in the order of magnitude of 100 iterations per second on > a fast CPU). As you said - I expect it's negligable compared to fork() > and the work jobs themselves do. How about add this statistic to make info handler? -- Adios