From owner-svn-src-all@freebsd.org Fri Apr 1 14:46:02 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 6AED3AEBE36; Fri, 1 Apr 2016 14:46:02 +0000 (UTC) (envelope-from bjkfbsd@gmail.com) Received: from mail-oi0-x22c.google.com (mail-oi0-x22c.google.com [IPv6:2607:f8b0:4003:c06::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 316EB1953; Fri, 1 Apr 2016 14:46:02 +0000 (UTC) (envelope-from bjkfbsd@gmail.com) Received: by mail-oi0-x22c.google.com with SMTP id d205so108246182oia.0; Fri, 01 Apr 2016 07:46:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc; bh=pO6A0K3GtBYNjxeWflHCcQivRSzmIhVRrcMj8etYyPw=; b=S1plY98k8YraaO8tVStd6e9WhL35G82BBuliaeVBm11pxRg1zwVvc9piKNSFpzba5m PhSzOQHX9lyDOSaffjXN0mEUv7aKjTpVMC6QoK+uG67yEupzWKSnI85qnO9hk4SBPbXl hokIoRflGEeNRgZDln4Za3Qtn/Iik7EIn0jt014i1evnVpzXGGj0XO+t9KbvkQeUOiaw nOEsALTYcO2hEfO7/ScZ1lSxrQcEm2zwP0gCbcYYqDYhLRnrPkDdFtjC1AAssXlDcg8q E/+ipOXHl2Z+x13QAEVPhVCTE1+nYmCFygkwTlye08SH9V8JAKj7SkU+xefJouFSXkba dX+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc; bh=pO6A0K3GtBYNjxeWflHCcQivRSzmIhVRrcMj8etYyPw=; b=EKTaEWjTs2FsY2kVP25iyCKyvpI+NF2eMi/kFHmXNsmUDumfcJf9VX+ib5IF8Z8ZqO niyrvkhyRPaNUtFtgvUrCetRQDc90+Akozcq6IAOI4DxH15Ez9/G06DDdP0+SMeKU3Id 92Lf9KYXFg0yim8PMPrcRECOjYPeIcgR3UeIQzgaq2K4RambUB87Gk+dTzFpgM1KX/6c neoNuUIOhB2ZWKTn+K30YAQlfb0I3S/GXtSg75kbxaG05cjnQLpb3+iZc5JzXzbCswl5 uYS6EOdai3LAxdGG4LS+AyKTMdPm3ldgi7wTt7hknWYeZTJt4GSicbk0GNtFWNLePTmy UHdg== X-Gm-Message-State: AD7BkJJbkcavVnQbT8MVcK6HnsY0JIJtI3s/5ZqArDgDLeAXC9+I6AKEZFwVU0xJv+IdTcxcSuOTIaAFU8cvtQ== MIME-Version: 1.0 X-Received: by 10.157.7.74 with SMTP id 68mr2739113ote.168.1459521961406; Fri, 01 Apr 2016 07:46:01 -0700 (PDT) Received: by 10.157.46.24 with HTTP; Fri, 1 Apr 2016 07:46:01 -0700 (PDT) In-Reply-To: <20160401061250.GA24248@dft-labs.eu> References: <20160401061250.GA24248@dft-labs.eu> Date: Fri, 1 Apr 2016 09:46:01 -0500 Message-ID: Subject: Re: svn commit: r297481 - head/sys/kern From: Benjamin Kaduk To: Mateusz Guzik Cc: "src-committers@freebsd.org" , "svn-src-all@freebsd.org" , "svn-src-head@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.21 X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Apr 2016 14:46:02 -0000 On Fri, Apr 1, 2016 at 1:12 AM, Mateusz Guzik wrote: > Author: mjg > Date: Wed Apr 1 08:10:00 2016 > New Revision: 280963 > Next year should probably update the "New Revision" line... > URL: https://svnweb.freebsd.org/changeset/base/297481 > > Log: > Increase responsiveness under load by being more aggressive with > priority changes. > > MFC after: 1 week > > Modified: > head/sys/kern/sched_ule.c > > Modified: head/sys/kern/sched_ule.c > =================================================================== > --- sys/kern/sched_ule.c (revision 297480) > +++ sys/kern/sched_ule.c (working copy) > ...and use the version number instead of "working copy". -Ben > @@ -1696,15 +1696,10 @@ > } > ts = td->td_sched; > THREAD_LOCK_ASSERT(td, MA_OWNED); > - if (td->td_priority == prio) > - return; > /* > - * If the priority has been elevated due to priority > - * propagation, we may have to move ourselves to a new > - * queue. This could be optimized to not re-add in some > - * cases. > + * DOES THIS WORK LOL > */ > - if (TD_ON_RUNQ(td) && prio < td->td_priority) { > + if (TD_ON_RUNQ(td) && prio != td->td_priority) { > sched_rem(td); > td->td_priority = prio; > sched_add(td, SRQ_BORROWING); > _______________________________________________ > svn-src-all@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/svn-src-all > To unsubscribe, send any mail to "svn-src-all-unsubscribe@freebsd.org" >