table of contents
PERF(1) | perf Manual | PERF(1) |
NAME¶
perf - Performance analysis tools for Linux
SYNOPSIS¶
perf [--version] [--help] [OPTIONS] COMMAND [ARGS]
OPTIONS¶
--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
--buildid-dir
Setup buildid cache directory. It has higher priority
than buildid.dir config file option.
-v, --version
Display perf version.
-h, --help
Run perf help command.
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)
06/04/2024 | perf |