Flame graph pipeline perf

Turn perf.data into an interactive flame graph SVG (Brendan Gregg FlameGraph tools)

perf script | stackcollapse-perf.pl | flamegraph.pl > flame.svg

#perf #performance #observability #troubleshooting

more perf all 17 commands →

Detailed counter stats perf stat -d -d -d -- ./app Scheduler latency analysis perf sched record -- sleep 10 && perf sched latency --sort max Syscall trace via perf perf trace -s -p <pid> Dynamic probe on function perf probe --add 'tcp_sendmsg size' && perf record -e probe:tcp_sendmsg -a -- sleep 5 Record CPU cycles perf record -g ./my_app