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Subject: Is anyone using the schedgraph.d script?
From: Adrian Chadd <adrian@freebsd.org>
To: freebsd-current <freebsd-current@freebsd.org>
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Hi,

I'm having problems with Ryan's schedgraph.d script
(people.freebsd.org/~rstone/dtrace/)

It runs fine, but if a CPU core is 100% busy, I get zero scheduler
events logged from it. Said core is doing around 30,000 syscalls a
second, around 250,000 context switches and 125,000 interrupt sa
second - but whilst it's doing this, I get zero events from dtrace for
said CPU.

Has anyone hit this kind of situation before?



-a