Date: Thu, 31 May 2012 10:15:55 -0400 From: John Baldwin <jhb@freebsd.org> To: Peter Jeremy <peter@rulingia.com> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r233925 - in head: sys/kern sys/sys sys/vm usr.bin/kdump usr.bin/ktrace Message-ID: <201205311015.56102.jhb@freebsd.org> In-Reply-To: <20120531031157.GA28573@server.rulingia.com> References: <201204051713.q35HDE3d067735@svn.freebsd.org> <20120531031157.GA28573@server.rulingia.com>
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On Wednesday, May 30, 2012 11:11:57 pm Peter Jeremy wrote: > On 2012-Apr-05 17:13:14 +0000, John Baldwin <jhb@FreeBSD.org> wrote: > >Log: > > Add new ktrace records for the start and end of VM faults. This gives > > a pair of records similar to syscall entry and return that a user can > > use to determine how long page faults take. The new ktrace records are > > enabled via the 'p' trace type, and are enabled in the default set of > > trace points. > > I've just found a case where this is very useful but I find that > the PFLT/PRET entries are clutter much of the time and would suggest > that they be off by default. I'm not opposed to doing that. I also find that it results in clutter more often than not. > > MFC after: 2 weeks > > This expired some time ago, do you intend to MFC these changes in > the near future? Yes, I have that and some other changes I need to MFC. These require a bit more testing than simple fixes which I have been more diligent about merging. -- John Baldwin
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