PERF(1) perf Manual PERF(1)
perf - Performance analysis tools for Linux
perf [--version] [--help] [OPTIONS] COMMAND [ARGS]
-h, --help Run perf help command. -v, --version Display perf version. -vv Print the compiled-in status of libraries. --exec-path Display or set exec path. --html-path Display html documentation path. -p, --paginate Set up pager. --no-pager Do not set pager. --buildid-dir Setup buildid cache directory. It has higher priority than buildid.dir config file option. --list-cmds List the most commonly used perf commands. --list-opts List available perf options. --debugfs-dir Set debugfs directory or set environment variable PERF_DEBUGFS_DIR. --debug Setup debug variable (see list below) in value range (0, 10). Use like: --debug verbose # sets verbose = 1 --debug verbose=2 # sets verbose = 2 List of debug variables allowed to set: verbose - general debug messages ordered-events - ordered events object debug messages data-convert - data convert command debug messages stderr - write debug output (option -v) to stderr in browser mode perf-event-open - Print perf_event_open() arguments and return value
Performance counters for Linux are a new kernel-based subsystem that provide a framework for all things performance analysis. It covers hardware level (CPU/PMU, Performance Monitoring Unit) features and software features (software counters, tracepoints) as well.
perf-stat(1), perf-top(1), perf-record(1), perf-report(1), perf-list(1)
This page is part of the perf (Performance analysis tools for Linux (in Linux source tree)) project. Information about the project can be found at ⟨https://perf.wiki.kernel.org/index.php/Main_Page⟩. If you have a bug report for this manual page, send it to email@example.com. This page was obtained from the project's upstream Git repository ⟨http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git⟩ on 2021-04-01. (At that time, the date of the most recent commit that was found in the repository was 2021-03-31.) If you discover any rendering problems in this HTML version of the page, or you believe there is a better or more up-to-date source for the page, or you have corrections or improvements to the information in this COLOPHON (which is not part of the original manual page), send a mail to firstname.lastname@example.org perf 2020-09-17 PERF(1)
Pages that refer to this page: perf-bench(1), perf-config(1), perf-data(1), perf-help(1), perf-lock(1), perf_event_open(2)