'Linux Document about tracepoint

In Ubuntu (or else linux system), there are some directory in /sys/kernel/debug/tracing/events, but I don't know what these directory mean. For example, /sys/kernel/debug/tracing/events/block/block_bio_backmerge, I want some documents to describe this what they mean. Can u give me some relevant documents or some other advice to learn.

Thx.



Solution 1:[1]

It's easy to get by google, like this. And the brendangregg's blog is really deserve to read.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 tyChen