Messages in this thread |  | | | Subject | Re: perf: counter and event question | | From | Peter Zijlstra <> | | Date | Mon, 28 Dec 2009 12:26:13 +0100 |
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On Mon, 2009-12-28 at 12:16 +0100, Tim Blechmann wrote: > like it is impossible to sample instructions with a period of 1?
Pretty much, imagine the cpu getting a trap every cycle.
In order to avoid the machine grinding to a halt, we've implemented a throttle which defaults to 100k samples/s, anything over that will be discarted.
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