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PR_TASK_PERF_EVENTS_DISABLE(2const) — Linux manual page

PR_TASK_PERF_EVENTS_DISABLE(2const)PR_TASK_PERF_EVENTS_DISABLE(2const)

NAME        top

       PR_TASK_PERF_EVENTS_DISABLE, PR_TASK_PERF_EVENTS_ENABLE - disable       or enable performance counters attached to the calling process

LIBRARY        top

       Standard C library (libc,-lc)

SYNOPSIS        top

#include <linux/prctl.h>/* Definition ofPR_*constants */#include <sys/prctl.h>int prctl(PR_TASK_PERF_EVENTS_DISABLE);int prctl(PR_TASK_PERF_EVENTS_ENABLE);

DESCRIPTION        top

PR_TASK_PERF_EVENTS_DISABLE              Disable all performance counters attached to the calling              process, regardless of whether the counters were created by              this process or another process.  Performance counters              created by the calling process for other processes are              unaffected.PR_TASK_PERF_EVENTS_ENABLE              The converse ofPR_TASK_PERF_EVENTS_DISABLE; enable              performance counters attached to the calling process.

RETURN VALUE        top

       On success, 0 is returned.  On error, -1 is returned, anderrno is       set to indicate the error.

STANDARDS        top

       Linux.

HISTORY        top

       Linux 2.6.31.       Originally calledPR_TASK_PERF_COUNTERS_DISABLEandPR_TASK_PERF_COUNTERS_ENABLE; renamed (retaining the same       numerical value) in Linux 2.6.32.

SEE ALSO        top

prctl(2)       For more information on performance counters, see the Linux kernel       source filetools/perf/design.txt.

COLOPHON        top

       This page is part of theman-pages (Linux kernel and C library       user-space interface documentation) project.  Information about       the project can be found at        ⟨https://www.kernel.org/doc/man-pages/⟩.  If you have a bug report       for this manual page, see       ⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.       This page was obtained from the tarball man-pages-6.15.tar.gz       fetched from       ⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on       2025-08-11.  If you discover any rendering problems in this HTML       version 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 isnot       part of the original manual page), send a mail to       man-pages@man7.orgLinux man-pages 6.15            2025-06P-R0_2TASK_PERF_EVENTS_DISABLE(2const)

Pages that refer to this page:prctl(2)

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