Add docs about the perf event ids. #2420
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What were you trying to figure out? |
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Just where this number |
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I was trying to reproduce sporadic failures that we saw when using rr ("Got 0 branch events, expected at least 500"). So I was trying to use So I was trying to investigate where the number After some debugging, our issue seems to be #2422 |
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It took me quite a bit to figure out what these special numbers mean.
I.e. these docs might be useful for any future reader.