diagnosing interrupt storms?
Poul-Henning Kamp
phk at phk.freebsd.dk
Tue Mar 9 06:25:28 PST 2004
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.
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