tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel / tools / perf / Documentation / perf.txt
at v3.18-rc2 32 lines 762 B view raw
1perf(1) 2======= 3 4NAME 5---- 6perf - Performance analysis tools for Linux 7 8SYNOPSIS 9-------- 10[verse] 11'perf' [--version] [--help] [OPTIONS] COMMAND [ARGS] 12 13OPTIONS 14------- 15--debug:: 16 Setup debug variable (just verbose for now) in value 17 range (0, 10). Use like: 18 --debug verbose # sets verbose = 1 19 --debug verbose=2 # sets verbose = 2 20 21DESCRIPTION 22----------- 23Performance counters for Linux are a new kernel-based subsystem 24that provide a framework for all things performance analysis. It 25covers hardware level (CPU/PMU, Performance Monitoring Unit) features 26and software features (software counters, tracepoints) as well. 27 28SEE ALSO 29-------- 30linkperf:perf-stat[1], linkperf:perf-top[1], 31linkperf:perf-record[1], linkperf:perf-report[1], 32linkperf:perf-list[1]