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- testing 4.19.37-3
- stretch-backports 4.19.37-3~bpo9+1
- unstable 4.19.37-5
PERF_4.19(1) | perf Manual | PERF_4.19(1) |
NAME¶
perf - Performance analysis tools for LinuxSYNOPSIS¶
perf [--version] [--help] [OPTIONS] COMMAND [ARGS]
OPTIONS¶
--debugSetup 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)2019-05-18 | perf |