Date: Wed, 19 Aug 2009 16:52:10 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: freebsd-hackers@freebsd.org Subject: Re: PCI IRQ latency Message-ID: <200908191652.11825.doconnor@gsoft.com.au> In-Reply-To: <200908191253.27951.doconnor@gsoft.com.au> References: <200908191253.27951.doconnor@gsoft.com.au>
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--nextPart2910627.2lzZYsk1vF Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Wed, 19 Aug 2009, Daniel O'Connor wrote: > Unfortunately it seems that _something_ blocks interrupts for >4 > milliseconds, however I have no real idea how to go about finding > what it is.. Does anyone have any suggestions? (apart from get a new > DAQ card, I know this one already :) Actually it appears I have misread my diagnostics and it's not a lack of=20 interrupts, rather the reading process gets stalled (by up to 5 seconds=20 at a time). Sorry for the noise :( =2D-=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --nextPart2910627.2lzZYsk1vF Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.12 (FreeBSD) iD8DBQBKi6gj5ZPcIHs/zowRAk1fAJ0dqcFUW1/g4lPg33xmt8ZK5bEBUwCfZfN/ sUn1B1h83gfDAYlNjwqqL5U= =FWY7 -----END PGP SIGNATURE----- --nextPart2910627.2lzZYsk1vF--
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