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
Setup buildid cache directory. It has higher priority than
buildid.dir config file option.
Display perf version.
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.
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
2017-03-13. 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 firstname.lastname@example.org
perf 02/18/2017 PERF(1)