Tasty » Adam Sampson's ftrace bookmarks

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 [LWN.net] 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