Date: Mon, 04 Nov 2002 06:07:04 -0600 (CST) From: Conrad Sabatier <conrads@cox.net> To: Doug Barton <DougB@FreeBSD.ORG> Cc: ak03@gte.com, drosih@rpi.edu, raymond.j.kohler@lmco.com, current@FreeBSD.ORG, Stijn Hoop <stijn@win.tue.nl>, cvs-all@FreeBSD.ORG, cvs-committers@FreeBSD.ORG, Kirk McKusick <mckusick@FreeBSD.ORG> Subject: Re: cvs commit: src/sys/fs/specfs spec_vnops.c Message-ID: <XFMail.20021104060704.conrads@cox.net> In-Reply-To: <3DC6245C.8D31A6A7@FreeBSD.org>
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On 04-Nov-2002 Doug Barton wrote: > Kirk, > > I'm adding a bunch of people to the list who were involved in a thread > on -current on this topic. I also tried this change and noticed that > things did seem a tiny bit snappier (although my system is slow enough > that it could have just been my imagination). > > Thanks, > > Doug On a similar note, I'm still trying to determine the impact of enabling/disabling CFLAGS+=-D_PTHREADS_INVARIANTS in libc_r and libpthreads, and wondering if perhaps a global -DNO_INVARIANTS variable in src/Makefile.inc1 might be something worth considering. It's hard to tell just how much of a difference this really makes. Has anyone done any comparisons on this? Do these have any effect at all if the kernel is built without INVARIANT_SUPPORT? > Kirk McKusick wrote: >> >> mckusick 2002/11/03 23:29:20 PST >> >> Modified files: >> sys/fs/specfs spec_vnops.c >> Log: >> Add debug.doslowdown to enable/disable niced slowdown on I/O. Default >> to off until locking interference issues get sorted out. >> >> Sponsored by: DARPA & NAI Labs. >> >> Revision Changes Path >> 1.186 +5 -1 src/sys/fs/specfs/spec_vnops.c >> >> http://www.FreeBSD.org/cgi/cvsweb.cgi/src/sys/fs/specfs/spec_vnops.c.diff >> ?&r1=1.185&r2=1.186&f=h > > -- > "We have known freedom's price. We have shown freedom's power. > And in this great conflict, ... we will see freedom's victory." > - George W. Bush, President of the United States > State of the Union, January 28, 2002 > > Do YOU Yahoo!? > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message > -- Conrad Sabatier <conrads@cox.net> To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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