Re: diagnosing interrupt storms?

From: Poul-Henning Kamp <phk_at_phk.freebsd.dk>
Date: Tue, 09 Mar 2004 15:25:24 +0100
In message <20040309114002.GN56622_at_elvis.mu.org>, Alfred Perlstein writes:
>> > At a certain point after booting my SMP 5-current box gets all
>> > weird, typically I see 50%+ time spent in interrupt.  If I run "top
>> > -S" I typically see one of the ithreads using 50% cpu.

Try using the SW_WATCHDOG option.


-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk_at_FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
Received on Tue Mar 09 2004 - 05:25:27 UTC

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