Messages in this thread | | | Date | Wed, 15 Sep 2010 23:34:37 +0400 | From | Cyrill Gorcunov <> | Subject | Re: [PATCH] perf, x86: catch spurious interrupts after disabling counters |
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On Wed, Sep 15, 2010 at 08:44:24PM +0200, Robert Richter wrote: ... > > Do you know at which period the counters running for the following? > > perf record ./hackbench 10 > perf record -e cycles -e instructions -e cache-references \ > -e cache-misses -e branch-misses -a -- <cmd> > > I couldn't find something about this in the man page. >
It's on top of tools/perf/builtin-record.c so by default they should be sampled with frequency 1KHz. Frederic or Peter knows for sure ;)
-- Cyrill
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