This example shows how to use JitDump to profile your assembly code generated by ffmasm. PerfJit.java issues RDRAND instruction in 10,000,000 times.
cd /path/to/ffasm
mvn install
cd examples/perf
mvn package
perf.sh runs the example with perf and injects jitted code (it means assembly code generated by ffmasm) with perf inject.
./perf.sh
You can see jit-<PID>.dump, jitted-*.so, and perf.*data* on working directory of perf.sh. Please keep them until you run perf report.
You need to specify perf.jit.data with -i option to load injected data.
perf report -i perf.jit.data