From owner-svn-src-all@FreeBSD.ORG Wed Jan 30 10:03:39 2013 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id DD5F68FB for ; Wed, 30 Jan 2013 10:03:39 +0000 (UTC) (envelope-from ronald-freebsd8@klop.yi.org) Received: from smarthost1.greenhost.nl (smarthost1.greenhost.nl [195.190.28.78]) by mx1.freebsd.org (Postfix) with ESMTP id 66D3CBDF for ; Wed, 30 Jan 2013 10:03:39 +0000 (UTC) Received: from smtp.greenhost.nl ([213.108.104.138]) by smarthost1.greenhost.nl with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.69) (envelope-from ) id 1U0UV4-0007yX-Dv for svn-src-all@freebsd.org; Wed, 30 Jan 2013 11:03:26 +0100 Received: from [81.21.138.17] (helo=ronaldradial.versatec.local) by smtp.greenhost.nl with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1U0UV4-0006eV-HP for svn-src-all@freebsd.org; Wed, 30 Jan 2013 11:02:38 +0100 Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes To: svn-src-all@freebsd.org Subject: Re: svn commit: r246032 - in head/sys: sys vm References: <201301281254.r0SCsrPK070947@svn.freebsd.org> Date: Wed, 30 Jan 2013 11:02:39 +0100 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Ronald Klop" Message-ID: In-Reply-To: <201301281254.r0SCsrPK070947@svn.freebsd.org> User-Agent: Opera Mail/12.13 (Win32) X-Virus-Scanned: by clamav at smarthost1.samage.net X-Spam-Level: / X-Spam-Score: -0.0 X-Spam-Status: No, score=-0.0 required=5.0 tests=BAYES_40 autolearn=disabled version=3.3.1 X-Scan-Signature: 18b3e585b0ef946fc0f6ee9ab4fcc4ff X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.14 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: Wed, 30 Jan 2013 10:03:39 -0000 On Mon, 28 Jan 2013 13:54:53 +0100, Andrey Zonov wrote: > Author: zont > Date: Mon Jan 28 12:54:53 2013 > New Revision: 246032 > URL: http://svnweb.freebsd.org/changeset/base/246032 > > Log: > - Add system wide page faults requiring I/O counter. > Reviewed by: alc > MFC after: 2 weeks Sounds very useful! Ronald. > Modified: > head/sys/sys/vmmeter.h > head/sys/vm/vm_fault.c > head/sys/vm/vm_meter.c > > Modified: head/sys/sys/vmmeter.h > ============================================================================== > --- head/sys/sys/vmmeter.h Mon Jan 28 12:50:16 2013 (r246031) > +++ head/sys/sys/vmmeter.h Mon Jan 28 12:54:53 2013 (r246032) > @@ -61,6 +61,7 @@ struct vmmeter { > * Virtual memory activity. > */ > u_int v_vm_faults; /* (p) address memory faults */ > + u_int v_io_faults; /* (p) page faults requiring I/O */ > u_int v_cow_faults; /* (p) copy-on-writes faults */ > u_int v_cow_optim; /* (p) optimized copy-on-writes faults */ > u_int v_zfod; /* (p) pages zero filled on demand */ > > Modified: head/sys/vm/vm_fault.c > ============================================================================== > --- head/sys/vm/vm_fault.c Mon Jan 28 12:50:16 2013 (r246031) > +++ head/sys/vm/vm_fault.c Mon Jan 28 12:54:53 2013 (r246032) > @@ -939,9 +939,10 @@ vnode_locked: > * Unlock everything, and return > */ > unlock_and_deallocate(&fs); > - if (hardfault) > + if (hardfault) { > + PCPU_INC(cnt.v_io_faults); > curthread->td_ru.ru_majflt++; > - else > + } else > curthread->td_ru.ru_minflt++; > return (KERN_SUCCESS); > > Modified: head/sys/vm/vm_meter.c > ============================================================================== > --- head/sys/vm/vm_meter.c Mon Jan 28 12:50:16 2013 (r246031) > +++ head/sys/vm/vm_meter.c Mon Jan 28 12:54:53 2013 (r246032) > @@ -283,6 +283,7 @@ VM_STATS_SYS(v_syscall, "System calls"); > VM_STATS_SYS(v_intr, "Device interrupts"); > VM_STATS_SYS(v_soft, "Software interrupts"); > VM_STATS_VM(v_vm_faults, "Address memory faults"); > +VM_STATS_VM(v_io_faults, "Page faults requiring I/O"); > VM_STATS_VM(v_cow_faults, "Copy-on-write faults"); > VM_STATS_VM(v_cow_optim, "Optimized COW faults"); > VM_STATS_VM(v_zfod, "Pages zero-filled on demand"); > _______________________________________________ > svn-src-all@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/svn-src-all > To unsubscribe, send any mail to "svn-src-all-unsubscribe@freebsd.org"