update profiling doc

RJ · Jun 10, 2020 · f4b07ec · f4b07ec
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Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/docs/profiling.md b/docs/profiling.md
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 # Profiling
 
 * Compile Times: append ```-Ztimings``` to cargo builds
-* Runtime Flame Graph: ```cargo flamegraph --example EXAMPLE_NAME```
+* Runtime Flame Graph:
+    * Flat-ish: ```RUSTFLAGS='-C force-frame-pointers=y' cargo flamegraph --example EXAMPLE_NAME```
+    * Graph: ```RUSTFLAGS='-C force-frame-pointers=y' cargo flamegraph -c "record -g" --example EXAMPLE_NAME```
     * built on top of perf, no instrumentation required
 * Runtime Instrumentation:
     * https://github.com/glennw/thread_profiler