Date: Tue, 10 Oct 2000 11:37:37 +0930 From: Greg Lehey <grog@lemis.com> To: John Baldwin <jhb@FreeBSD.ORG> Cc: Chuck Paterson <cp@bsdi.com>, smp@FreeBSD.ORG, Bob Bishop <rb@gid.co.uk> Subject: Re: Options with SMPng Message-ID: <20001010113737.B87663@wantadilla.lemis.com> In-Reply-To: <200010091639.JAA03990@john.baldwin.cx>; from jhb@FreeBSD.ORG on Mon, Oct 09, 2000 at 09:39:43AM -0700 References: <200010091340.HAA06839@berserker.bsdi.com> <200010091639.JAA03990@john.baldwin.cx>
next in thread | previous in thread | raw e-mail | index | archive | help
On Monday, 9 October 2000 at 9:39:43 -0700, John Baldwin wrote: > > On 09-Oct-00 Chuck Paterson wrote: >> I think we ought to dump the KTR_EXTEND stuff. This makes >> the kernel run soo slow that it isn't really usable. Without >> KTR_EXTEND the penalty is minor. > > Hmm, well, combined with my ktr-verbose hack, KTR_EXTEND's ability > to print out a useful string directly has proved useful for tracking > down bugs with interrupts disabled, or when, for example, PCI interrupts > are firing too fast for any work to be done because the source wasn't > being quieted on the alpha. Agreed. Nobody's pretending that the KTR_EXTEND is useful in a general-purpose kernel, but it makes a lot of difference when developing. I don't see any good reason to dump it. Greg -- Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20001010113737.B87663>