From d5a24378f93b4f4c8546855385b4d25fb3219dc2 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Wed, 19 Oct 2016 08:59:31 +0200
Subject: [PATCH] perf_event_open.2: Minor tweaks to Vince Weaver's patch

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man2/perf_event_open.2 | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2
index 04a0cf5ca..d64adafd9 100644
--- a/man2/perf_event_open.2
+++ b/man2/perf_event_open.2
@@ -1120,10 +1120,10 @@ This enables the generation of
 records when a context switch occurs.
 It also enables the generation of
 .B PERF_RECORD_SWITCH_CPU_WIDE
-records when sampling in cpu-wide mode.
+records when sampling in CPU-wide mode.
 This functionality is in addition to existing tracepoint and
 software events for measuring context switches.
-The advantage of this method is that it will give full
+The advantage of this method is that it will give a full
 information event with strict
 .I perf_event_paranoid
 settings.
@@ -1808,8 +1808,8 @@ Sample happened in guest user code.
 .RE
 
 .RS
-The following three statuses are generated by
-different record types so they alias to the same bit:
+Since the following three statuses are generated by
+different record types, they alias to the same bit:
 .TP
 .BR PERF_RECORD_MISC_MMAP_DATA " (since Linux 3.10)"
 .\" commit 2fe85427e3bf65d791700d065132772fc26e4d75
@@ -1828,10 +1828,12 @@ system call.
 .BR PERF_RECORD_MISC_SWITCH_OUT " (since Linux 4.3)"
 .\" commit 45ac1403f564f411c6a383a2448688ba8dd705a4
 When a
-.BR PERF_RECORD_SWITCH " or " PERF_RECORD_SWITCH_CPU_WIDE
-record is generated this bit indicates that the
+.BR PERF_RECORD_SWITCH
+or
+.BR PERF_RECORD_SWITCH_CPU_WIDE
+record is generated, this bit indicates that the
 context switch is away from the current process
-(instead of in to the current process).
+(instead of into the current process).
 .RE
 
 .RS
@@ -2633,7 +2635,7 @@ struct {
 As with
 .B PERF_RECORD_SWITCH
 this record indicates a context switch has happened,
-but it only occurs when sampling in cpu-wide mode
+but it only occurs when sampling in CPU-wide mode
 and provides additional information on the process
 being switched to/from.
 The
@@ -2655,11 +2657,11 @@ struct {
 .RS
 .TP
 .I next_prev_pid
-The process id of the previous (if switching in)
+The process ID of the previous (if switching in)
 or next (if switching out) process on the CPU.
 .TP
 .I next_prev_tid
-The thread id of the previous (if switching in)
+The thread ID of the previous (if switching in)
 or next (if switching out) thread on the CPU.
 .RE
 .RE