PR_TASK_PERF_EVENTS_ENABLE2const
Disable or enable performance counters attached to the calling process
Part of PR_TASK_PERF_EVENTS_DISABLE(2const).
Usage
#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);
Library
Standard C library (libc, -lc)
Overview
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.