iosnoop For Linux edit / delete

"How does this work? It's just a shell script!" Linux's ftrace facility turns out to be surprisingly capable... and there are a whole load of neat scripts that use it in perf-tools.

to debugging ftrace linux perf performance tracing ... on 14 October 2016

Ftrace: The hidden light switch [] edit / delete

Using Linux's function tracer to investigate a kernel performance problem. I was looking at this again recently because I'd like to know when exactly bash is getting called...

to ftrace kernel linux performance tracing ... on 03 October 2014

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Tags related to ftrace

- ftrace
1 + debugging
1 + kernel
2 + linux
1 + perf
2 + performance
2 + tracing