PR_TASK_PERF_EVENTS_DISABLE, PR_TASK_PERF_EVENTS_ENABLE - disable or enable performance counters attached
Contents
Description
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 of PR_TASK_PERF_EVENTS_DISABLE; enable performance counters attached to the calling
process.
History
Linux 2.6.31.
Originally called PR_TASK_PERF_COUNTERS_DISABLE and PR_TASK_PERF_COUNTERS_ENABLE; renamed (retaining the
same numerical value) in Linux 2.6.32.
Library
Standard C library (libc, -lc)
Name
PR_TASK_PERF_EVENTS_DISABLE, PR_TASK_PERF_EVENTS_ENABLE - disable or enable performance counters attached
to the calling process
Return Value
On success, 0 is returned. On error, -1 is returned, and errno is set to indicate the error.
See Also
prctl(2) For more information on performance counters, see the Linux kernel source file tools/perf/design.txt. Linux man-pages 6.9.1 2024-06-02 PR_TASK_PERF_EVENTS_DISABLE(2)
Standards
Linux.
Synopsis
#include<linux/prctl.h> /* Definition of PR_* constants */
#include<sys/prctl.h>intprctl(PR_TASK_PERF_EVENTS_DISABLE);intprctl(PR_TASK_PERF_EVENTS_ENABLE);