# defaults to profiling cargo run, which will # also profile the cargo compilation process # unless you've previously issued `cargo build` cargo flamegraph # if you'd like to profile your release build: cargo flamegraph --release # if you'd like to profile a specific binary: cargo flamegraph --bin=stress2 # if you'd like to profile an arbitrary executable: cargo flamegraph --exec="sleep 10"
A simple cargo plugin that generates a flamegraph for a workload.
Currently only linux is supported via perf, but this is going to change as inferno gains support for others.
To enable perf without running as root, you may
perf_event_paranoid value in proc
to an appropriate level for your environment.
The most permissive value is
-1 but may not
be acceptable for your security needs etc...
echo -1 | sudo tee /proc/sys/kernel/perf_event_paranoid