Date: Tue, 02 Apr 1996 14:20:02 +0000 From: Poul-Henning Kamp <phk@critter.tfs.com> To: Bruce Evans <bde@zeta.org.au> Cc: freebsd-current@freefall.freebsd.org, kuku@gilberto.physik.rwth-aachen.de Subject: Re: calcru: negative time: Message-ID: <3489.828454802@critter.tfs.com> In-Reply-To: Your message of "Tue, 02 Apr 1996 23:17:57 %2B1000." <199604021317.XAA23396@godzilla.zeta.org.au>
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> >Alternatively, could we make a check in spl*() so that if splhigh has been > >active >long< time we will print a warning ? > > I plan to do this too. This should only be enabled for debugging. My > current tests have been detecting lots of problems but haven't been any > help for finding where the high latency comes from. The problem should > be reported by stopping at a breakpoint in spl0 or in doreti before the > cpl has been reduced. Then there will be a chance of seeing what set > cpl high for too long. Couldn't you just record the %eip in splhigh() ? -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@ref.tfs.com TRW Financial Systems, Inc. Future will arrive by its own means, progress not so.
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