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top: add graphs modes for cpu and memory, man document

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Signed-off-by: Jim Warner <james.warner@comcast.net>
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Jim Warner 2014-06-18 00:00:00 -05:00 committed by Craig Small
parent 1d171ec741
commit 77376e5c67
1 changed files with 38 additions and 4 deletions
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@ -431,8 +431,11 @@ That total is further classified as:
.fi
Line 2 shows \*(PU state percentages based on the interval since the
last refresh. Where two labels are shown below, those for more recent
kernel versions are shown first.
last refresh.
As a default, percentages for these individual categories are displayed.
Where two labels are shown below, those for more recent kernel versions
are shown first.
.nf
\fBus\fR,\fB user\fR : time running un-niced user processes
\fBsy\fR,\fB system\fR : time running kernel processes
@ -444,6 +447,12 @@ kernel versions 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.
\*(XT 4b. SUMMARY AREA Commands and the `t' command for additional information
on that special 4-way toggle.
.\" ......................................................................
.SS 2c. MEMORY Usage
.\" ----------------------------------------------------------------------
@ -451,7 +460,7 @@ This portion consists of two lines which may express values in kibibytes (KiB)
through exbibytes (EiB) depending on the scaling factor enforced
with the `E' \*(CI.
Line 1 reflects \*(MP, classified as:
As a default, Line 1 reflects \*(MP, classified as:
.nf
total, used, free and buffers
.fi
@ -461,6 +470,15 @@ Line 2 reflects mostly \*(MV, classified as:
total, used, free and cached (which is \*(MP)
.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.
\*(XT 4b. SUMMARY AREA Commands and the `m' command for additional information
on that special 4-way toggle.
This table may help in interpreting the scaled values displayed:
.nf
KiB = kibibyte = 1024 bytes
@ -1220,11 +1238,27 @@ true SMP.
This portion of the \*(SA is also influenced by the `H' \*(CI toggle,
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
4. turn off task and cpu states display
.fi
.TP 7
\ \ \ \fBm\fR\ \ :\fIMemory/Swap-Usage\fR toggle \fR
This command affects the two \*(SA lines dealing with physical
and virtual memory.
This command serves as a 4-way toggle, cycling through these modes:
.nf
1. detailed percentages by memory type (default)
2. abbreviated % used/total available + bar graph
3. abbreviated % used/total available + block graph
4. turn off memory display
.fi
.TP 7
\ \ \ \fB1\fR\ \ :\fISingle/Separate-Cpu-States\fR toggle \fR
This command affects how the `t' command's Cpu States portion is shown.
@ -1995,7 +2029,7 @@ Here is the general layout:
per ea # line a: winname,fieldscur
window # line b: winflags,sortindx,maxtasks
" # line c: summclr,msgsclr,headclr,taskclr
global # line 15: width, memory scaling & zeroes overrides
global # line 15: additional miscellaneous settings
" # any remaining lines are devoted to the
" # generalized inspect provisions
" # discussed below