perf: perf (Linux kernel perf tools)
perf:
perf: perf is a userspace interface to the kernel's perf events.
perf: Performance counters are CPU hardware registers that count hardware
perf: events such as instructions executed, cache-misses suffered, or
perf: branches mispredicted.
perf: They form a basis for profiling applications to trace dynamic control
perf: flow and identify hotspots.
perf:
perf:
perf: