Toomas Aas wrote:
Kris Kennaway wrote:
OK, you may need to set up hwpmc or LOCK_PROFILING to figure out what
your system is doing at that moment.
I set up a kernel with hwpmc support, but am feeling a bit (to put it
mildly) lost, since I haven't really done anything with hwpmc ever
before. I was hoping to maybe figure out whether this freezing is caused
by some device interrupt, so I tried:
# pmcstat -S interrupts -o /tmp/sample.txt
But all I get is this:
pmcstat: ERROR: Cannot allocate system-mode pmc with specification
"interrupts": Invalid argument
Yet "interrupts" is listed in pmc(3).
I'm sure I'm making some ridiculous error.
Having now revealed my ignorance, I go to sleep(1).
Probably you want 'instructions'.
Kris
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