diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 index 72e265f8a..3fe581f14 100644 --- a/man2/perf_event_open.2 +++ b/man2/perf_event_open.2 @@ -82,10 +82,10 @@ and arguments allow specifying which process and CPU to monitor: .TP .BR "pid == 0" " and " "cpu == \-1" -This measures the current process/thread on any CPU. +This measures the calling process/thread on any CPU. .TP .BR "pid == 0" " and " "cpu >= 0" -This measures the current process/thread only +This measures the calling process/thread only when running on the specified CPU. .TP .BR "pid > 0" " and " "cpu == \-1" @@ -2251,7 +2251,7 @@ attached to it using the and .B PR_TASK_PERF_EVENTS_DISABLE operations. -This applies to all counters on the current process, whether created by +This applies to all counters on the calling process, whether created by this process or by another, and does not affect any counters that this process has created on other processes. It enables or disables only