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Nan Xiao 2019-04-12 14:23:54 +08:00
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# Perf little book
# Linux perf little book
When talking about `perf` in `Linux`, it actually refers to `2` things:
a) `Perf_events` (also be called as `perf` for short): a subsystem which was merged into Linux `kernel` since `2.6.31`;