PERF-TEST(1) perf Manual PERF-TEST(1) (NAME) perf-test - . (SYNOPSIS) perf test [] [{list |[|]}] (DESCRIPTION) (linked routines) . perf test list . perf test list . (OPTIONS) -s, --skip ( ). -v, -vv, -vvv, --verbose -v ( ) . -vv . -S, --sequential . <<>> (exclusive) . -r, --runs-per-test . (flaky) . -F, --dont-fork (fork) (sequential) . --dso DSO <>. -w, --workload= (workload) --list-workloads : noploop thloop leafloop sqrtloop brstack datasym context_switch_loop deterministic named_threads landlock. . : seconds: leafloop, noploop, sqrtloop, thloop nrloops: brstack, context_switch_loop 'named_threads' . datasym landlock deterministic . --list-workloads -w/--workload. --record-ctl=fifo:ctl-fifo[,ack-fifo] perf record (setup) (teardown) . FIFO : perf record -D -1 --control=fifo:ctl-fifo[,ack-fifo] ... perf test 'enable' 'disable' ctl-fifo . 'ack-fifo' 'ack' . perf 09/04/2026 PERF-TEST(1)