PR_TASK_PER...ENTS_DISABLE(2) System Calls Manual PR_TASK_PER...ENTS_DISABLE(2)
NAME
PR_TASK_PERF_EVENTS_DISABLE, PR_TASK_PERF_EVENTS_ENABLE - disable or en-
able performance counters attached to the calling process
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#include <linux/prctl.h> /* Definition of PR_* constants */
#include <sys/prctl.h>
int prctl(PR_TASK_PERF_EVENTS_DISABLE);
int prctl(PR_TASK_PERF_EVENTS_ENABLE);
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.
RETURN VALUE
On success, 0 is returned. On error, -1 is returned, and errno is set
to indicate the error.
STANDARDS
Linux.
HISTORY
Linux 2.6.31.
Originally called PR_TASK_PERF_COUNTERS_DISABLE and PR_TASK_PERF_COUN-
TERS_ENABLE; renamed (retaining the same numerical value) in Linux
2.6.32.
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_PER...ENTS_DISABLE(2)
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