571 lines
20 KiB
Diff
571 lines
20 KiB
Diff
From 2c19223cf286a9f47fd95e557b1644ed44625b9a Mon Sep 17 00:00:00 2001
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From: Jim Warner <james.warner@comcast.net>
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Date: Thu, 20 Jun 2013 00:00:00 -0500
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Subject: [PATCH 1/2] top: trade two groff_mdoc macros for groff equivalents
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The .Bd and .Ed macros, from the mdoc collection, have
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caused a few raised eyebrows (lintian, doclifter, etc)
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in the past. With this commit, we will trade their use
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for the standard existing groff .nf & .fi equivalents.
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Signed-off-by: Jim Warner <james.warner@comcast.net>
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---
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top/top.1 | 155 +++++++++++++++++++++++++++++++-------------------------------
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1 file changed, 78 insertions(+), 77 deletions(-)
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diff --git a/top/top.1 b/top/top.1
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index 53ebaf2..0a753a8 100644
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--- a/top/top.1
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+++ b/top/top.1
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@@ -118,7 +118,7 @@ display and used when reading and writing a \*(CF.
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.\" ----------------------------------------------------------------------
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The remaining Table of Contents
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-.Bd -literal
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+.nf
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1. COMMAND\-LINE Options
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2. SUMMARY Display
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a. UPTIME and LOAD Averages
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@@ -152,7 +152,7 @@ The remaining Table of Contents
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c. The Big Bird Window
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d. The Ol' Switcheroo
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8. BUGS, 9. HISTORY Former top, 10. AUTHOR, 11. SEE Also
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-.Ed
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+.fi
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.\" ......................................................................
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.SS Operation
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@@ -181,19 +181,19 @@ Following any re-size operation, if a \*(We screen is corrupted, appears
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incomplete or disordered, simply typing something innocuous like a
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punctuation character or cursor motion key will usually restore it.
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In extreme cases, the following sequence almost certainly will:
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-.Bd -literal -compact
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+.nf
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\fIkey/cmd objective \fR
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^Z \fBsuspend\fR \*(We
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fg \fBresume\fR \*(We
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<Left> force a screen \fBredraw\fR (if necessary)
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-.Ed
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+.fi
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But if the display is still corrupted, there is one more step you could try.
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Insert this command after \*(We has been suspended but before resuming it.
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-.Bd -literal -compact
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+.nf
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\fIkey/cmd objective \fR
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reset restore your \fBterminal settings\fR
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-.Ed
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+.fi
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\*(NT the width of \*(We's display will be limited to \*(WX positions.
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Displaying all fields requires \*(WF characters.
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@@ -208,7 +208,7 @@ Lastly, some of \*(We's screens or functions require the use of cursor
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motion keys like the standard \*(KAs plus the Home, End, PgUp and PgDn keys.
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If your terminal or emulator does not provide those keys, the following
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combinations are accepted as alternatives:
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-.Bd -literal -compact
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+.nf
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\fI key equivalent-key-combinations \fR
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Up alt +\fB \\\fR or alt +\fB k \fR
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Down alt +\fB /\fR or alt +\fB j \fR
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@@ -218,14 +218,14 @@ combinations are accepted as alternatives:
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PgDn alt +\fB Down\fR or alt + ctrl +\fB j \fR
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Home alt +\fB Left\fR or alt + ctrl +\fB h \fR
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End alt +\fB Right\fR or alt + ctrl +\fB l \fR
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-.Ed
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+.fi
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The \fBUp\fR and \fBDown\fR \*(KAs have special significance when prompted
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for line input terminated with the <Enter> key.
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Those keys, or their aliases, can be used to retrieve previous input lines
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which can then be edited and re-input.
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And there are four additional keys available with line oriented input.
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-.Bd -literal -compact
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+.nf
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\fI key special-significance \fR
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Up recall \fBolder\fR strings for re-editing
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Down recall \fBnewer\fR strings or \fBerase\fR entire line
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@@ -233,7 +233,7 @@ And there are four additional keys available with line oriented input.
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Delete character \fBremoved\fR at cursor, moving others left
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Home jump to \fBbeginning\fR of input line
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End jump to \fBend\fR of input line
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-.Ed
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+.fi
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.\" ......................................................................
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.SS Startup Defaults
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@@ -243,7 +243,7 @@ Even so, items shown with an \*(AK could be overridden through the
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command-line.
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All are explained in detail in the sections that follow.
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-.Bd -literal
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+.nf
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\fIGlobal-defaults\fR
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'A' - Alt display Off (full-screen)
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* 'd' - Delay time 3.0 seconds
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@@ -270,7 +270,7 @@ All are explained in detail in the sections that follow.
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'x' - Column hilite Off (no, sort field)
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'y' - Row hilite On\ \ (yes, running tasks)
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'z' - color/mono Off (no, colors)
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-.Ed
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+.fi
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.\" ----------------------------------------------------------------------
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.SH 1. COMMAND-LINE Options
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@@ -417,12 +417,12 @@ these provisions.
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.SS 2a. UPTIME and LOAD Averages
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.\" ----------------------------------------------------------------------
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This portion consists of a single line containing:
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-.Bd -literal -compact
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+.nf
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\fBprogram\fR or\fB window\fR name, depending on display mode
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current time and length of time since last boot
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total number of users
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system load avg over the last 1, 5 and 15 minutes
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-.Ed
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+.fi
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.\" ......................................................................
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.SS 2b. TASK and CPU States
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@@ -434,14 +434,14 @@ state percentages.
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Line 1 shows total\fB tasks\fR or\fB threads\fR, depending on the state
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of the Threads-mode toggle.
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That total is further classified as:
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-.Bd -literal -compact
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+.nf
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running; sleeping; stopped; zombie
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-.Ed
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+.fi
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Line 2 shows \*(PU state percentages based on the interval since the
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last refresh. Where two labels are shown below, those for more recent
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kernel versions are shown first.
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-.Bd -literal -compact
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+.nf
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\fBus\fR,\fB user\fR : time running un-niced user processes
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\fBsy\fR,\fB system\fR : time running kernel processes
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\fBni\fR,\fB nice\fR : time running niced user processes
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@@ -449,7 +449,7 @@ kernel versions are shown first.
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\fBhi\fR : time spent servicing hardware interrupts
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\fBsi\fR : time spent servicing software interrupts
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\fBst\fR : time stolen from this vm by the hypervisor
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-.Ed
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+.fi
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.\" ......................................................................
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.SS 2c. MEMORY Usage
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@@ -459,24 +459,24 @@ through exbibytes (EiB) depending on the scaling factor enforced
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with the 'E' \*(CI.
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Line 1 reflects \*(MP, classified as:
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-.Bd -literal -compact
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+.nf
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total, used, free and buffers
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-.Ed
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+.fi
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Line 2 reflects mostly \*(MV, classified as:
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-.Bd -literal -compact
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+.nf
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total, used, free and cached (which is \*(MP)
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-.Ed
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+.fi
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This table may help in interpreting the scaled values displayed:
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-.Bd -literal -compact
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+.nf
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KiB = kibibyte = 1024 bytes
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MiB = mebibyte = 1024 KiB = 1,048,576 bytes
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GiB = gibibyte = 1024 MiB = 1,073,741,824 bytes
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TiB = tebibyte = 1024 GiB = 1,099,511,627,776 bytes
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PiB = pebibyte = 1024 TiB = 1,125,899,906,842,624 bytes
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EiB = exbibyte = 1024 PiB = 1,152,921,504,606,846,976 bytes
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-.Ed
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+.fi
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.\" ----------------------------------------------------------------------
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.SH 3. FIELDS / Columns
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@@ -893,7 +893,7 @@ Listed below is a brief index of commands within categories.
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Some commands appear more than once \*(Em their meaning or scope may vary
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depending on the context in which they are issued.
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-.Bd -literal
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+.nf
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4a.\fI Global-Commands \fR
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<Ent/Sp> ?, =, 0,
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A, B, d, E, e, g, h, H, I, k, q, r, s, W, X, Y, Z
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@@ -912,7 +912,7 @@ depending on the context in which they are issued.
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C, Up, Dn, Left, Right, PgUp, PgDn, Home, End
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5d.\fI Searching-in-a-Window \fR
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L, &
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-.Ed
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+.fi
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.\" ......................................................................
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.SS 4a. GLOBAL Commands
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@@ -1053,10 +1053,10 @@ However, you can send any signal, via number or name.
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If you wish to abort the kill process, do one of the following
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depending on your progress:
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-.Bd -literal
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+.nf
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1) at the pid prompt, type an invalid number
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2) at the signal prompt, type 0 (or any invalid signal)
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-.Ed
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+.fi
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.TP 7
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\ \ \ \fBq\fR\ \ :\fIQuit \fR
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@@ -1077,10 +1077,10 @@ and are prevented from lowering it.
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If you wish to abort the renice process, do one of the following
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depending on your progress:
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-.Bd -literal
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+.nf
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1) at the pid prompt, type an invalid number
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2) at the nice prompt, type <Enter> with no input
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-.Ed
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+.fi
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.TP 7
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\ \ \ \fBW\fR\ \ :\fIWrite-the-Configuration-File \fR
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@@ -1097,14 +1097,14 @@ by a '+' in the last position.
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This \*(CI can be used to alter the widths of the following fields:
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-.Bd -literal
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+.nf
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\fI field default field default field default \fR
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GID 5 GROUP 8 WCHAN 10
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RUID 5 RUSER 8
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SUID 5 SUSER 8
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UID 5 USER 8
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TTY 8
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-.Ed
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+.fi
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You will be prompted for the amount to be added to the default
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widths shown above.
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@@ -1137,7 +1137,7 @@ particular file or command.
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They are familiar to anyone who has used the pager 'less' and are
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summarized here for future reference.
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-.Bd -literal
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+.nf
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\fI key function \fR
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'=' alternate status\-line, file or pipeline
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'/' find, equivalent to 'L' locate
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@@ -1146,7 +1146,7 @@ summarized here for future reference.
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'b' scroll up, equivalent to <PgUp>
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'g' first line, equivalent to <Home>
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'G' last line, equivalent to <End>
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-.Ed
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+.fi
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.TP 7
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\ \ \ \fBZ\fR\ \ :\fIChange-Color-Mapping \fR
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@@ -1391,14 +1391,14 @@ simply decrease the size of the \*(TD(s) above it.
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For compatibility, this \*(We supports most of the former \*(We sort keys.
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Since this is primarily a service to former \*(We users, these commands do
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not appear on any help screen.
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-.Bd -literal -compact
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+.nf
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\fI command sorted-field supported \fR
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A start time (non-display) \fB No \fR
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M %MEM Yes
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N PID Yes
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P %CPU Yes
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T TIME+ Yes
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-.Ed
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+.fi
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Before using any of the following sort provisions, \*(We suggests that you
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temporarily turn on column highlighting using the 'x' \*(CI.
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@@ -1452,7 +1452,7 @@ in all four windows before returning to the \*(We display.
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.P
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The following \*(CIs are available.
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-.Bd -literal -compact
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+.nf
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\fB4\fR upper case letters to select a\fB target \fR
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\fB8\fR numbers to select a\fB color \fR
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normal toggles available \fR
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@@ -1463,7 +1463,7 @@ The following \*(CIs are available.
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'a'/'w' :apply, then go to next/prior
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<Enter> :apply and exit
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'q' :abandon current changes and exit
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-.Ed
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+.fi
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If you use 'a' or 'w' to cycle the targeted window, you will
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have applied the color scheme that was displayed when you left that window.
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@@ -1577,11 +1577,11 @@ It does not require that the window name be visible
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.IP "*" 3
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The \*(CIs shown with an \*(AK have use beyond \*(AM.
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-.Bd -literal -compact
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+.nf
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'=', 'A', 'g' are always available
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'a', 'w' act the same with color mapping
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\ and fields management
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-.Ed
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+.fi
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.\" ......................................................................
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.SS 5c. SCROLLING a Window
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@@ -1641,10 +1641,10 @@ line is not otherwise being used.
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That message will take one of two forms depending on whether or not a
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variable width column has also been scrolled.
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-.Bd -literal
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+.nf
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\fBscroll coordinates: y = n/n (tasks), x = n/n (fields)\fR
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\fRscroll coordinates: y = n/n (tasks), x = n/n (fields)\fB + nn\fR
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-.Ed
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+.fi
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The coordinates shown as \fBn\fR/\fBn\fR are relative to the upper left
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corner of the \*(CW.
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@@ -1806,12 +1806,12 @@ When prompted for selection criteria, the data you provide must take one
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of two forms.
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There are 3 required pieces of information, with a 4th as optional.
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These examples use spaces for clarity but your input generally would not.
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-.Bd -literal
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+.nf
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#1 \fB#2\fR #3 ( required )
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Field\-Name ? include\-if\-value
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\fB!\fR Field\-Name ? \fBexclude\fR\-if\-value
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#4 ( optional )
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-.Ed
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+.fi
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Items #1, #3 and #4 should be self\-explanatory.
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Item \fB#2\fR represents both a required \fIdelimiter\fR and the \fIoperator\fR
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@@ -1843,25 +1843,26 @@ See the 'j', 'J' and 'e' \*(CIs for additional information.
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.P
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These \fBGROUP\fR filters could produce the exact same results or the
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second one might not display anything at all, just a blank \*(TW.
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-.Bd -literal
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+.nf
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GROUP=root ( only the same results when )
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GROUP=ROOT ( invoked via lower case 'o' )
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-.Ed
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+.fi
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Either of these \fBRES\fR filters might yield inconsistent and/or
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misleading results, depending on the current memory scaling factor.
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Or both filters could produce the exact same results.
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+.nf
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RES>9999 ( only the same results when )
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!RES<10000 ( memory scaling is at 'KiB' )
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-.Ed
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+.fi
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This \fBnMin\fR filter illustrates a problem unique to scalable fields.
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This particular field can display a maximum of 4 digits, beyond which values
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are automatically scaled to KiB or above.
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So while amounts greater than 9999 exist, they will appear as 2.6m, 197k, etc.
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-.Bd -literal
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+.nf
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nMin>9999 ( always a blank \*(TW )
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-.Ed
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+.fi
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.RE
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.B Potential Solutions
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@@ -1877,16 +1878,16 @@ Assuming field \fBnTH\fR is displayed, the first filter will result in
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only multi-threaded processes being shown.
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It also reminds us that a trailing space is part of every displayed field.
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The second filter achieves the exact same results with less typing.
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-.Bd -literal
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+.nf
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!nTH=' 1 ' ( ' for clarity only )
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nTH>1 ( same with less i/p )
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-.Ed
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+.fi
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With Forest View mode active and the \fBCOMMAND\fR column in view, this
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filter effectively collapses child processes so that just 3 levels are shown.
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-.Bd -literal
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+.nf
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!COMMAND=' `- ' ( ' for clarity only )
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-.Ed
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+.fi
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The final two filters appear as in response to the status request key (^O).
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In reality, each filter would have required separate input.
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@@ -1894,10 +1895,10 @@ The \fBPR\fR example shows the two concurrent filters necessary to display
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tasks with priorities of 20 or more, since some might be negative.
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Then by exploiting trailing spaces, the \fBnMin\fR series of filters could
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achieve the failed '9999' objective discussed above.
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-.Bd -literal
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+.nf
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'PR>20' + '!PR=-' ( 2 for right result )
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'!nMin=0 ' + '!nMin=1 ' + '!nMin=2 ' + '!nMin=3 ' ...
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-.Ed
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+.fi
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.RE
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\*(NT When 'Other Filtering' is active, \*(We turns column highlighting
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@@ -1917,11 +1918,11 @@ is shown to an ordinary user.
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More importantly, it will limit what ordinary users are allowed
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to do when \*(We is running.
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They will not be able to issue the following commands.
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-.Bd -literal -compact
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+.nf
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k Kill a task
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r Renice a task
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d or s Change delay/sleep interval
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-.Ed
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+.fi
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The system \*(CF is\fB not\fR created by \*(We.
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Rather, you create this file manually and place it in the \fI/etc \fR
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@@ -1930,10 +1931,10 @@ Its name must be 'toprc' and must have no leading '.' (period).
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It must have only two lines.
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Here is an example of the contents of\fI /etc/toprc\fR:
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-.Bd -literal -compact
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+.nf
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s # line 1: 'secure' mode switch
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5.0 # line 2: 'delay'\ \ interval in seconds
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-.Ed
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+.fi
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.\" ......................................................................
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.SS 6b. PERSONAL Configuration File
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@@ -1942,7 +1943,7 @@ This file is written as '$HOME/.your\-name\-4\-\*(We' + 'rc'.
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Use the 'W' \*(CI to create it or update it.
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Here is the general layout:
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-.Bd -literal -compact
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+.nf
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global # line 1: the program name/alias notation
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" # line 2: id,altscr,irixps,delay,curwin
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per ea # line a: winname,fieldscur
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@@ -1952,7 +1953,7 @@ Here is the general layout:
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" # any remaining lines are devoted to the
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" # generalized 'inspect' provisions
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" # discussed below
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-.Ed
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+.fi
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If the $HOME variable is not present, \*(We will try to write the
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personal \*(CF to the current directory, subject to permissions.
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@@ -1980,11 +1981,11 @@ of content.
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Otherwise they consist of the following 3 elements, each of which\fI must\fR
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be separated by a tab character (thus 2 '\\t' total):
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-.Bd -literal -compact
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+.nf
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.type: literal 'file' or 'pipe'
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.name: selection shown on the Inspect screen
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.fmts: string representing a path or command
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-.Ed
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+.fi
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The two types of Inspect entries are\fI not\fR interchangeable.
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Those designated '\fBfile\fR' will be accessed using fopen and
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@@ -1996,31 +1997,31 @@ If the file or pipeline represented in your '.fmts' deals with the specific PID
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input or accepted when prompted, then the format string must also contain
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the '\fB%d\fR' specifier, as these examples illustrate.
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-.Bd -literal -compact
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+.nf
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.fmts= /proc/\fI%d\fR/numa_maps
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.fmts= lsof -P -p\fI %d\fR
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-.Ed
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+.fi
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For '\fBpipe\fR' type entries only, you may also wish to redirect stderr to
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stdout for a more comprehensive result.
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Thus the format string becomes:
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-.Bd -literal -compact
|
|
+.nf
|
|
.fmts= pmap -x %d\fI 2>&1\fR
|
|
-.Ed
|
|
+.fi
|
|
|
|
Here are examples of both types of Inspect entries as they might appear
|
|
in the rcfile.
|
|
The first entry will be ignored due to the initial '#' character.
|
|
For clarity, the pseudo tab depictions (^I) are surrounded by an
|
|
extra space but the actual tabs would not be.
|
|
-.Bd -literal -compact
|
|
+.nf
|
|
|
|
# pipe ^I Sockets ^I lsof -n -P -i 2>&1
|
|
pipe ^I Open Files ^I lsof -P -p %d 2>&1
|
|
file ^I NUMA Info ^I /proc/%d/numa_maps
|
|
pipe ^I Log ^I tail -n100 /var/log/syslog | sort -Mr
|
|
-.Ed
|
|
+.fi
|
|
|
|
Except for the commented entry above, these next examples show what could
|
|
be echoed to achieve similar results, assuming the rcfile name was '.toprc'.
|
|
@@ -2028,11 +2029,11 @@ However, due to the embedded tab characters, each of these lines should be
|
|
preceded by '\fB/bin/echo \-e\fR', not just a simple an 'echo', to
|
|
enable backslash interpretation regardless of which shell you use.
|
|
|
|
-.Bd -literal -compact
|
|
+.nf
|
|
"pipe\\tOpen Files\\tlsof -P -p %d 2>&1" >> ~/.toprc
|
|
"file\\tNUMA Info\\t/proc/%d/numa_maps" >> ~/.toprc
|
|
"pipe\\tLog\\ttail -n200 /var/log/syslog | sort -Mr" >> ~/.toprc
|
|
-.Ed
|
|
+.fi
|
|
|
|
\fBCaution\fR:
|
|
If any inspect entry you create produces output with unprintable characters
|
|
@@ -2041,12 +2042,12 @@ depending on their value.
|
|
This applies to tab characters as well, which will show as '^I'.
|
|
If you want a truer representation, any embedded tabs should be expanded.
|
|
|
|
-.Bd -literal -compact
|
|
+.nf
|
|
# next would have contained '\\t' ...
|
|
# file ^I <your_name> ^I /proc/%d/status
|
|
# but this will eliminate embedded '\\t' ...
|
|
pipe ^I <your_name> ^I cat /proc/%d/status | expand -
|
|
-.Ed
|
|
+.fi
|
|
|
|
The above example takes what could have been a 'file' entry but employs
|
|
a 'pipe' instead so as to expand the embedded tabs.
|
|
@@ -2063,11 +2064,11 @@ That does not affect operation other than to make some selections invisible.
|
|
However, if some choices are lost to truncation but you want to see more options,
|
|
there is an easy solution hinted at below.
|
|
|
|
-.Bd -literal -compact
|
|
+.nf
|
|
Inspection Pause at pid ...
|
|
Use: left/right then <Enter> ...
|
|
Options: help 1 2 3 4 5 6 7 8 9 10 11 ...
|
|
-.Ed
|
|
+.fi
|
|
|
|
The entries in the \*(We rcfile would have a number for the '.name' element and
|
|
the 'help' entry would identify a shell script you've written explaining what
|
|
@@ -2099,7 +2100,7 @@ seconds or less.
|
|
|
|
For this experiment, under x-windows open an xterm and maximize it.
|
|
Then do the following:
|
|
-.Bd -literal -compact
|
|
+.nf
|
|
. provide a scheduling boost and tiny delay via:
|
|
nice -n -10 \*(We -d.09
|
|
. keep sorted column highlighting \*F so as to
|
|
@@ -2108,7 +2109,7 @@ Then do the following:
|
|
. try various sort columns (TIME/MEM work well),
|
|
and normal or reverse sorts to bring the most
|
|
active processes into view
|
|
-.Ed
|
|
+.fi
|
|
|
|
What you'll see is a very busy Linux doing what he's always done for you,
|
|
but there was no program available to illustrate this.
|
|
--
|
|
1.8.1.2
|
|
|