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NAME | SYNOPSIS | OPTIONS | DESCRIPTION | SEE ALSO | COLOPHON |
PERF(1) perf Manual PERF(1)
perf - Performance analysis tools for Linux
perf [--version] [--help] [OPTIONS] COMMAND [ARGS]
--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.
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
linux-kernel@vger.kernel.org. This page was obtained from the
project's upstream Git repository
⟨http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git⟩ on
2017-07-05. If you discover any rendering problems in this HTML ver‐
sion 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 man‐
ual page), send a mail to man-pages@man7.org
perf 02/18/2017 PERF(1)
Pages that refer to this page: perf-bench(1), perf-config(1), perf-data(1), perf-help(1), perf-lock(1)