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Add perf tracepoint collection flag (#1664)

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* Add tracepoint collector option for perf collector

Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
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Daniel Hodges 2020-04-17 06:02:08 -04:00 • committed by GitHub
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@ -96,6 +96,13 @@ configuration is zero indexed and can also take a stride value; e.g.
`--collector.perf --collector.perf.cpus=1-10:5` would collect on CPUs
1, 5, and 10.
The perf collector is also able to collect
[tracepoint](https://www.kernel.org/doc/html/latest/core-api/tracepoint.html)
counts when using the `--collector.perf.tracepoint` flag. Tracepoints can be
found using [`perf list`](http://man7.org/linux/man-pages/man1/perf.1.html) or
from debugfs. And example usage of this would be
`--collector.perf.tracepoint="sched:sched_process_exec"`.
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