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doc: document 'scale_tics' function for Ctrl-E scaling

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[ i also tweaked that 'STARTED' narrative just a bit ]
[ since its original wording implied the value could ]
[ change, whereas it's fixed when a task is started. ]

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner 2022-03-03 00:00:00 -06:00 committed by Craig Small
parent 402bf1903b
commit 5c4c239257
2 changed files with 21 additions and 6 deletions
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3
NEWS
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@ -32,7 +32,8 @@ procps-ng-NEXT
* top: summary area memory lines can print two abreast
* top: added two new autogroup fields
* top: added long versions of command line options
* top: added 'start time' and 'cpu utilization' fields
* top: added cpu utilization & 2 time related fields
* top: the time related fields can now be user scaled
* uptime: print short/pretty format correctly issue #217
* vmstat: add -y option to remove first line merge !72

24
top/top.1
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@ -753,6 +753,8 @@ Thus, the most recently started task will display the smallest time interval.
The value will be expressed as 'HH,MM' (hours,minutes) but is subject to
additional scaling if the interval becomes too great to fit column width.
At that point it will be scaled to 'DD+HH' (days+hours) and possibly
beyond.
.TP 4
\fBENVIRON \*(Em Environment variables \fR
@ -992,10 +994,9 @@ login shell.
The length of time since system boot when a process started.
Thus, the most recently started task will display the largest time interval.
The value will be expressed as 'MM:SS' (minutes:sceonds) until the
interval becomes too great to fit column width.
At that point it will be scaled to 'HH,MM' (hours,minutes) and possibly
beyond.
The value will be expressed as 'MM:SS' (minutes:seconds).
But if the interval is too great to fit column width it will be scaled
as 'HH,MM' (hours,minutes) and possibly beyond.
.TP 4
\fBSUID \*(Em Saved User Id \fR
@ -1261,7 +1262,7 @@ depending on the context in which they are issued.
C, l, t, m, 1, 2, 3, 4, !
4c.\fI Task-Area-Commands \fR
Appearance: b, J, j, x, y, z
Content: c, F, f, O, o, S, U, u, V, v
Content: c, F, f, O, o, S, U, u, V, v, ^E
Size: #, i, n
Sorting: <, >, f, R
4d.\fI Color-Mapping \fR
@ -1800,6 +1801,19 @@ vertical scrolling.
If the target process has not forked any children, this key has no effect.
It also has no effect when not in forest view mode.
.TP 7
\ \ \fB^E\fR\ \ :\fIScale-CPU-Time-fields\fR (Ctrl key + `e')
The `time' fields are normally displayed with the greatest
precision their widths permit.
This toggle reduces that precision until it wraps.
It also illustrates the scaling those fields \fImight\fR experience
automatically, which usually depends on how long the system runs.
For example, if 'MMM:SS.hh' is shown, each ^E keystroke would change
it to: 'MM:SS', 'Hours,MM', 'Days+Hours' and finally 'Weeks+Days'.
Not all time fields are subject to the full range of such scaling.
.\" ..................................................
.PP
.B SIZE\fR of \*(TW