top: reflect current graph modes state in man document

This patch just beefs up the man documentation for the
new graphs modes while also reflecting the most recent
program changes, prompted by the feedback shown below.

Reference(s):
http://www.freelists.org/post/procps/latest-top-enhancements,1

Signed-off-by: Jim Warner <james.warner@comcast.net>

diff --git a/top/top.1 b/top/top.1
index 31499779c82af295fc39cacfeb75fb6eed73ecb9..5d71f619bc3c142354b20deb878132028d5554f9 100644 (file)
--- a/top/top.1
+++ b/top/top.1
@@ -447,9 +447,15 @@ are shown first.
     \fBst\fR : time stolen from this vm by the hypervisor
 .fi
 
-In the alternate cpu states display modes, an abbreviated summary is shown
-consisting of \fBUser\fR (`us' and `ni' above) / \fBSystem\fR (`sy' above)
-percentages followed by a visual graph of those representations.
+In the alternate cpu states display modes, beyond the first tasks/threads line,
+an abbreviated summary is shown consisting of these elements:
+.nf
+             \fR a  \fR  b    \fR c \fR   d
+    Cpu(s):  \fB75.0\fR/25.0  \fB100\fR[ ...
+.fi
+
+Where: a) is the combined \fBus\fR and \fBni\fR percentage; b) is the \fBsy\fR percentage; c) is the total;
+and d) is one of two visual graphs of those representations.
 \*(XT 4b. SUMMARY AREA Commands and the `t' command for additional information
 on that special 4-way toggle.
 
@@ -471,11 +477,19 @@ Line 2 reflects mostly \*(MV, classified as:
 .fi
 
 In the alternate memory display modes, two abbreviated summary lines
-are shown consisting of percentage used and total available followed
-by a visual graph.
-In the case of \*(MP, the percentage includes the sum of `used', `buffers'
-and `cached' memory noted above.
-The graph itself is divided between `used' then `buffers' and `cached' combined.
+are shown consisting of these elements:
+.nf
+              \fR a  \fR  b          c
+    GiB Mem : \fB18.7\fR/15.738   [ ...
+    GiB Swap: \fB 0.0\fR/7.999    [ ...
+.fi
+
+Where: a) is the percentage used; b) is the total available; and c) is one of two
+visual graphs of those representations.
+
+In the case of \*(MP, the percentage includes the sum of \fBused\fR, \fBbuffers\fR
+and \fBcached\fR memory noted above.
+The `Mem' graph itself is divided between \fBused\fR then \fBbuffers\fR and \fBcached\fR combined.
 \*(XT 4b. SUMMARY AREA Commands and the `m' command for additional information
 on that special 4-way toggle.
 
@@ -1241,11 +1255,15 @@ as reflected in the total label which shows either Tasks or Threads.
 This command serves as a 4-way toggle, cycling through these modes:
 .nf
     1. detailed percentages by category (default)
-    2. abbreviated user/system percentages + bar graph
-    3. abbreviated user/system percentages + block graph
+    2. abbreviated user/system and total % + bar graph
+    3. abbreviated user/system and total % + block graph
     4. turn off task and cpu states display
 .fi
 
+When operating in either of the graphic modes, the display becomes much
+more meaningful when individual CPUs or NUMA nodes are also displayed.
+\*(XC the `1', `2' and `3' commands below for additional information.
+
 .TP 7
 \ \ \ \fBm\fR\ \ :\fIMemory/Swap-Usage\fR toggle \fR
 This command affects the two \*(SA lines dealing with physical