NAME
perf - Performance analysis tools for LinuxSYNOPSIS
perf [--version] [--help] [OPTIONS] COMMAND [ARGS]
OPTIONS
-h, --helpRun perf help command.
Display perf version.
Print the compiled-in status of
libraries.
Display or set exec path.
Display html documentation path.
Set up pager.
Do not set pager.
Setup buildid cache directory. It has higher
priority than buildid.dir config file option.
List the most commonly used perf
commands.
List available perf options.
Set debugfs directory or set environment
variable PERF_DEBUGFS_DIR.
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
DESCRIPTION
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.SEE ALSO
perf-stat(1), perf-top(1), perf-record(1), perf-report(1), perf-list(1)2024-06-21 | perf |