Collect CPU samples for one PID over time.
Section: Tracing System Calls and Libraries
Record perf samples for PID
bash
bash
sudo perf record -p 1234 -- sleep 30Explanation
Collect CPU samples for one PID over time.
Learn the surrounding workflow
Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing Tracing System Calls and Libraries
Attach strace to a running PID
Attach to a live process and trace syscalls.
Trace child processes too
Write one trace file per process and follow forks.