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perf_event_open.2: ffix + tstamp 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2013-12-12 16:45:03 +13:00
parent 75ee11e514
commit f2d15dc910
1 changed files with 6 additions and 6 deletions
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man2/perf_event_open.2
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@ -24,7 +24,7 @@
.\" This document is based on the perf_event.h header file, the
.\" tools/perf/design.txt file, and a lot of bitter experience.
.\"
.TH PERF_EVENT_OPEN 2 2013-11-08 "Linux" "Linux Programmer's Manual"
.TH PERF_EVENT_OPEN 2 2013-12-12 "Linux" "Linux Programmer's Manual"
.SH NAME
perf_event_open \- set up performance monitoring
.SH SYNOPSIS
@ -81,21 +81,21 @@ and
.I cpu
arguments allow specifying which process and CPU to monitor:
.TP
.BR pid==0 " and " cpu==\-1
.BR "pid == 0" " and " "cpu == \-1"
This measures the current process/thread on any CPU.
.TP
.BR pid==0 " and " cpu>=0
.BR "pid == 0" " and " "cpu >= 0"
This measures the current process/thread only
when running on the specified CPU.
.TP
.BR pid>0 " and " cpu==\-1
.BR "pid > 0" " and " "cpu == \-1"
This measures the specified process/thread on any CPU.
.TP
.BR pid>0 " and " cpu>=0
.BR "pid > 0" " and " "cpu >= 0"
This measures the specified process/thread only
when running on the specified CPU.
.TP
.BR pid==\-1 " and " cpu>=0
.BR "pid == \-1" " and " "cpu >= 0"
This measures all processes/threads on the specified CPU.
Measurements such as this require the
.B CAP_SYS_ADMIN