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doc: document catch-up of new scalable 'STARTED' field

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[ the original newlib commit message(s) appear below ]
[ but 'cpu utilization' was not implemented to avoid ]
[ any library modifications and thus version impact! ]

------------------------------------- newlib patch ---
doc: updated with new 'start time' & 'cpu utilization'

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner 2022-03-11 00:00:00 -06:00 committed by Craig Small
parent ed8dbd05e7
commit 8269e18b3f
2 changed files with 39 additions and 28 deletions
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1
NEWS
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@ -6,6 +6,7 @@ procps-ng-NEXT
* top: summary area memory lines can print two abreast * top: summary area memory lines can print two abreast
* top: added long versions of command line options * top: added long versions of command line options
* top: the time related fields can now be user scaled * top: the time related fields can now be user scaled
* top: added a 'start time' field (STARTED)
procps-ng-3.3.17 procps-ng-3.3.17
--------------- ---------------

66
top/top.1
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@ -57,7 +57,7 @@
. .
.\" Document ///////////////////////////////////////////////////////////// .\" Document /////////////////////////////////////////////////////////////
.\" ---------------------------------------------------------------------- .\" ----------------------------------------------------------------------
.TH TOP 1 "January 2022" "procps-ng" "User Commands" .TH TOP 1 "March 2022" "procps-ng" "User Commands"
.\" ---------------------------------------------------------------------- .\" ----------------------------------------------------------------------
.nh .nh
@ -893,11 +893,21 @@ member of the session, called the session leader, which is usually the
login shell. login shell.
.TP 4 .TP 4
32.\fB SUID \*(Em Saved User Id \fR 32.\fB STARTED \*(Em Start Time Interval \fR
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.
.TP 4
33.\fB SUID \*(Em Saved User Id \fR
The\fI saved\fR user ID. The\fI saved\fR user ID.
.TP 4 .TP 4
33.\fB SUPGIDS \*(Em Supplementary Group IDs \fR 34.\fB SUPGIDS \*(Em Supplementary Group IDs \fR
The IDs of any supplementary group(s) established at login or The IDs of any supplementary group(s) established at login or
inherited from a task's parent. inherited from a task's parent.
They are displayed in a comma delimited list. They are displayed in a comma delimited list.
@ -910,7 +920,7 @@ Even so, such variable width fields could still suffer truncation.
any truncated data. any truncated data.
.TP 4 .TP 4
34.\fB SUPGRPS \*(Em Supplementary Group Names \fR 35.\fB SUPGRPS \*(Em Supplementary Group Names \fR
The names of any supplementary group(s) established at login or The names of any supplementary group(s) established at login or
inherited from a task's parent. inherited from a task's parent.
They are displayed in a comma delimited list. They are displayed in a comma delimited list.
@ -923,24 +933,24 @@ Even so, such variable width fields could still suffer truncation.
any truncated data. any truncated data.
.TP 4 .TP 4
35.\fB SUSER \*(Em Saved User Name \fR 36.\fB SUSER \*(Em Saved User Name \fR
The\fI saved\fR user name. The\fI saved\fR user name.
.TP 4 .TP 4
36.\fB SWAP \*(Em Swapped Size (KiB) \fR 37.\fB SWAP \*(Em Swapped Size (KiB) \fR
The formerly resident portion of a task's address space written The formerly resident portion of a task's address space written
to the \*(MS when \*(MP becomes over committed. to the \*(MS when \*(MP becomes over committed.
\*(XX. \*(XX.
.TP 4 .TP 4
37.\fB TGID \*(Em Thread Group Id \fR 38.\fB TGID \*(Em Thread Group Id \fR
The ID of the thread group to which a task belongs. The ID of the thread group to which a task belongs.
It is the PID of the thread group leader. It is the PID of the thread group leader.
In kernel terms, it represents those tasks that share an mm_struct. In kernel terms, it represents those tasks that share an mm_struct.
.TP 4 .TP 4
38.\fB TIME \*(Em \*(PU Time \fR 39.\fB TIME \*(Em \*(PU Time \fR
Total \*(PU time the task has used since it started. Total \*(PU time the task has used since it started.
When Cumulative mode is \*O, each process is listed with the \*(Pu When Cumulative mode is \*O, each process is listed with the \*(Pu
time that it and its dead children have used. time that it and its dead children have used.
@ -948,19 +958,19 @@ You toggle Cumulative mode with `S', which is both a \*(CO and an \*(CI.
\*(XC `S' \*(CI for additional information regarding this mode. \*(XC `S' \*(CI for additional information regarding this mode.
.TP 4 .TP 4
39.\fB TIME+ \*(Em \*(PU Time, hundredths \fR 40.\fB TIME+ \*(Em \*(PU Time, hundredths \fR
The same as TIME, but reflecting more granularity through hundredths The same as TIME, but reflecting more granularity through hundredths
of a second. of a second.
.TP 4 .TP 4
40.\fB TPGID \*(Em Tty Process Group Id \fR 41.\fB TPGID \*(Em Tty Process Group Id \fR
The process group ID of the foreground process for the connected tty, The process group ID of the foreground process for the connected tty,
or \-1 if a process is not connected to a terminal. or \-1 if a process is not connected to a terminal.
By convention, this value equals the process ID (\*(Xa PID) of the By convention, this value equals the process ID (\*(Xa PID) of the
process group leader (\*(Xa PGRP). process group leader (\*(Xa PGRP).
.TP 4 .TP 4
41.\fB TTY \*(Em Controlling Tty \fR 42.\fB TTY \*(Em Controlling Tty \fR
The name of the controlling terminal. The name of the controlling terminal.
This is usually the device (serial port, pty, etc.) from which the This is usually the device (serial port, pty, etc.) from which the
process was started, and which it uses for input or output. process was started, and which it uses for input or output.
@ -968,22 +978,22 @@ However, a task need not be associated with a terminal, in which case
you'll see `?' displayed. you'll see `?' displayed.
.TP 4 .TP 4
42.\fB UID \*(Em User Id \fR 43.\fB UID \*(Em User Id \fR
The\fI effective\fR user ID of the task's owner. The\fI effective\fR user ID of the task's owner.
.TP 4 .TP 4
43.\fB USED \*(Em Memory in Use (KiB) \fR 44.\fB USED \*(Em Memory in Use (KiB) \fR
This field represents the non-swapped \*(MP a task is using (RES) plus This field represents the non-swapped \*(MP a task is using (RES) plus
the swapped out portion of its address space (SWAP). the swapped out portion of its address space (SWAP).
\*(XX. \*(XX.
.TP 4 .TP 4
44.\fB USER \*(Em User Name \fR 45.\fB USER \*(Em User Name \fR
The\fI effective\fR user name of the task's owner. The\fI effective\fR user name of the task's owner.
.TP 4 .TP 4
45.\fB VIRT \*(Em Virtual Memory Size (KiB) \fR 46.\fB VIRT \*(Em Virtual Memory Size (KiB) \fR
The total amount of \*(MV used by the task. The total amount of \*(MV used by the task.
It includes all code, data and shared libraries plus pages that have been It includes all code, data and shared libraries plus pages that have been
swapped out and pages that have been mapped but not used. swapped out and pages that have been mapped but not used.
@ -991,13 +1001,13 @@ swapped out and pages that have been mapped but not used.
\*(XX. \*(XX.
.TP 4 .TP 4
46.\fB WCHAN \*(Em Sleeping in Function \fR 47.\fB WCHAN \*(Em Sleeping in Function \fR
This field will show the name of the kernel function in which the task This field will show the name of the kernel function in which the task
is currently sleeping. is currently sleeping.
Running tasks will display a dash (`\-') in this column. Running tasks will display a dash (`\-') in this column.
.TP 4 .TP 4
47.\fB nDRT \*(Em Dirty Pages Count \fR 48.\fB nDRT \*(Em Dirty Pages Count \fR
The number of pages that have been modified since they were last The number of pages that have been modified since they were last
written to \*(AS. written to \*(AS.
Dirty pages must be written to \*(AS before the corresponding physical Dirty pages must be written to \*(AS before the corresponding physical
@ -1006,7 +1016,7 @@ memory location can be used for some other virtual page.
This field was deprecated with linux 2.6 and is always zero. This field was deprecated with linux 2.6 and is always zero.
.TP 4 .TP 4
48.\fB nMaj \*(Em Major Page Fault Count \fR 49.\fB nMaj \*(Em Major Page Fault Count \fR
The number of\fB major\fR page faults that have occurred for a task. The number of\fB major\fR page faults that have occurred for a task.
A page fault occurs when a process attempts to read from or write to a A page fault occurs when a process attempts to read from or write to a
virtual page that is not currently present in its address space. virtual page that is not currently present in its address space.
@ -1014,7 +1024,7 @@ A major page fault is when \*(AS access is involved in making that
page available. page available.
.TP 4 .TP 4
49.\fB nMin \*(Em Minor Page Fault count \fR 50.\fB nMin \*(Em Minor Page Fault count \fR
The number of\fB minor\fR page faults that have occurred for a task. The number of\fB minor\fR page faults that have occurred for a task.
A page fault occurs when a process attempts to read from or write to a A page fault occurs when a process attempts to read from or write to a
virtual page that is not currently present in its address space. virtual page that is not currently present in its address space.
@ -1022,50 +1032,50 @@ A minor page fault does not involve \*(AS access in making that
page available. page available.
.TP 4 .TP 4
50.\fB nTH \*(Em Number of Threads \fR 51.\fB nTH \*(Em Number of Threads \fR
The number of threads associated with a process. The number of threads associated with a process.
.TP 4 .TP 4
51.\fB nsIPC \*(Em IPC namespace \fR 52.\fB nsIPC \*(Em IPC namespace \fR
The Inode of the namespace used to isolate interprocess communication (IPC) The Inode of the namespace used to isolate interprocess communication (IPC)
resources such as System V IPC objects and POSIX message queues. resources such as System V IPC objects and POSIX message queues.
.TP 4 .TP 4
52.\fB nsMNT \*(Em MNT namespace \fR 53.\fB nsMNT \*(Em MNT namespace \fR
The Inode of the namespace used to isolate filesystem mount points thus The Inode of the namespace used to isolate filesystem mount points thus
offering different views of the filesystem hierarchy. offering different views of the filesystem hierarchy.
.TP 4 .TP 4
53.\fB nsNET \*(Em NET namespace \fR 54.\fB nsNET \*(Em NET namespace \fR
The Inode of the namespace used to isolate resources such as network devices, The Inode of the namespace used to isolate resources such as network devices,
IP addresses, IP routing, port numbers, etc. IP addresses, IP routing, port numbers, etc.
.TP 4 .TP 4
54.\fB nsPID \*(Em PID namespace \fR 55.\fB nsPID \*(Em PID namespace \fR
The Inode of the namespace used to isolate process ID numbers The Inode of the namespace used to isolate process ID numbers
meaning they need not remain unique. meaning they need not remain unique.
Thus, each such namespace could have its own `init/systemd' (PID #1) to Thus, each such namespace could have its own `init/systemd' (PID #1) to
manage various initialization tasks and reap orphaned child processes. manage various initialization tasks and reap orphaned child processes.
.TP 4 .TP 4
55.\fB nsUSER \*(Em USER namespace \fR 56.\fB nsUSER \*(Em USER namespace \fR
The Inode of the namespace used to isolate the user and group ID numbers. The Inode of the namespace used to isolate the user and group ID numbers.
Thus, a process could have a normal unprivileged user ID outside a user Thus, a process could have a normal unprivileged user ID outside a user
namespace while having a user ID of 0, with full root privileges, inside namespace while having a user ID of 0, with full root privileges, inside
that namespace. that namespace.
.TP 4 .TP 4
56.\fB nsUTS \*(Em UTS namespace \fR 57.\fB nsUTS \*(Em UTS namespace \fR
The Inode of the namespace used to isolate hostname and NIS domain name. The Inode of the namespace used to isolate hostname and NIS domain name.
UTS simply means "UNIX Time-sharing System". UTS simply means "UNIX Time-sharing System".
.TP 4 .TP 4
57.\fB vMj \*(Em Major Page Fault Count Delta\fR 58.\fB vMj \*(Em Major Page Fault Count Delta\fR
The number of\fB major\fR page faults that have occurred since the The number of\fB major\fR page faults that have occurred since the
last update (see nMaj). last update (see nMaj).
.TP 4 .TP 4
58.\fB vMn \*(Em Minor Page Fault Count Delta\fR 59.\fB vMn \*(Em Minor Page Fault Count Delta\fR
The number of\fB minor\fR page faults that have occurred since the The number of\fB minor\fR page faults that have occurred since the
last update (see nMin). last update (see nMin).