atoprc(5)
NAME
atoprc - atop/atopsar related rcfile
DESCRIPTION
This manual page documents the rcfile of the atop and atopsar commands. These commands can be used to monitor the system and process load on a Linux system. The atoprc file contains the default settings. These settings are read during startup, first from the system-wide rcfile /etc/atoprc and after that from the user-specific rcfile ~/.atoprc (so system-wide settings can be overruled by an individual user). The options in both rcfiles are identical.
OPTIONS
The rcfile contains keyword-value pairs, one on every line (blank lines
and lines starting with a #-sign are ignored).
The following keywords can be specified:
flags
A list of default flags for atop can be defined here. The flags
which are allowed are 'g', 'm', 'd', 'n', 'u', 'p', 's', 'c', 'v',
'C', 'M', 'D', 'N', 'A', 'a', 'f', '1' and 'x'.
interval
The default interval value in seconds.
linelen
The length of a screen line when sending output to a file or pipe
(default 80).
username
The default regular expression for the users for which active
processes will be shown.
procname
The default regular expression for the process names to be shown.
maxlinecpu
The maximum number of active CPU's that will be shown.
maxlinelvm
The maximum number of active logical volumes that will be shown.
maxlinemdd
The maximum number of active multiple devices that will be shown.
maxlinedisk
The maximum number of active disks that will be shown.
maxlineintf
The maximum number of active network interfaces that will be shown.
cpucritperc
The busy percentage considered critical for a processor (see
section COLORS in the man-page of the atop command). This
percentage is used to determine a weighted percentage for line
coloring and sorting of active processes. When this value is zero,
no line coloring or automatic sorting is performed for this
resource.
dskcritperc
The busy percentage considered critical for a disk (see section
COLORS in the man-page of the atop command). This percentage is
used to determine a weighted percentage for line coloring and
sorting of active processes. When this value is zero, no line
coloring or automatic sorting is performed for this resource.
netcritperc
The busy percentage considered critical for a network interface
(see section COLORS in the man-page of the atop command). This
percentage is used to determine a weighted percentage for line
coloring and sorting of active processes. When this value is zero,
no line coloring or automatic sorting is performed for this
resource.
memcritperc
The percentage considered critical for memory utilization (see
section COLORS in the man-page of the atop command). This
percentage is used to determine a weighted percentage for line
coloring and sorting of active processes. When this value is zero,
no line coloring or automatic sorting is performed for this
resource.
swpcritperc
The occupation percentage considered critical for swap space (see
section COLORS in the man-page of the atop command). This
percentage is used to determine a weighted percentage for line
coloring and sorting of active processes. When this value is zero,
no line coloring or automatic sorting is performed for this
resource.
swoutcritsec
The number of pages swapped out per second considered critical for
for memory utilization (see section COLORS in the man-page of the
atop command). This threshold is used in combination with
'memcritperc' to determine a weighted percentage for line coloring
and sorting of active processes. When this value is zero, no line
coloring or automatic sorting is performed for this resource.
almostcrit
A percentage of the critical percentage to determine if the
resource is almost critical (see section COLORS in the man-page of
the atop command). When this value is zero, no line coloring for
`almost critical' is performed.
atopsarflags
A list of default flags for atopsar can be defined here. The flags
that are allowed are 'S', 'x', 'C', 'M', 'H', 'a', 'A' and the
flags to select one or more specific reports.
An example of the /etc/atoprc or ~/.atoprc file:
flags Aaf
interval 5
username
procname
maxlinecpu 4
maxlinedisk 10
maxlineintf 5
cpucritperc 80
almostcrit 90
atopsarflags CMH
ownprocline PID:50 VGROW:40 RGROW:45 COMMAND-LINE:50
ownpagline PAGSCAN:3 BLANKBOX:0 PAGSWIN:3 PAGSWOUT:7
The keywords 'ownprocline' and 'ownpagline' are explained in the
subsequent section.
OWN DEFINITION OF OUTPUT LINE
Via the rcfile it is possible to define the layout of the output lines
yourself, i.e. you can define the layout of one line with process
information with the keyword 'ownprocline' (to be selected with the key
'o' or the flag -o) and you can redefine all lines with system
information.
The layout of an output-line can be defined as follows (notice that
this should be specified as one line in the rcfile):
keyword <columnid>:<prio> [<columnid>:<prio> ...]
The columnid is the symbolic name of a column that should shown at this
position in the output line.
The prio is a positive integer value that determines which columns have
precedence whenever not all specified columns fit into the current
screen-width. The higher value, the higher priority.
The column-specifications should be separated by a space. The order in
which columns have been specified is the order in which they will be
shown, with respect to their priority (columns that do not fit, will be
dropped dynamically).
A special columnid for system lines is 'BLANKBOX'. This indicates that
an empty column is required at this position. Also this special
columnid is followed by a priority (usually low).
The following definition can be specified for process information:
ownprocline
The columnid's are the names of the columns that are shown in the
normal output of the process-related lines that are shown by atop
such as 'PID', 'CMD', 'S', .... The only exception is the special
columnid 'SORTITEM' that is used to show one of the columns
CPU%/DSK%/MEM%/NET%, depending on the chosen sort-criterium.
An example of a user-defined process line:
ownprocline PID:20 PPID:10 SYSCPU:15 USRCPU:15 VGROW:14
VSIZE:12 RGROW:14 RSIZE:12 ST:8 EXC:7 S:11 SORTITEM:18 CMD:20
The following definitions are used internally by atop as the default
system lines (you can redefine each of them in the rcfile as one line):
ownsysprcline
Redefinition of line labeled with 'PRC':
ownsysprcline PRCSYS:8 PRCUSER:8 BLANKBOX:0 PRCNPROC:7
PRCNZOMBIE:5 PRCCLONES:4 BLANKBOX:0 PRCNNEXIT:6
ownallcpuline
Redefinition of line labeled with 'CPU' for total CPU-utilization:
ownallcpuline CPUSYS:8 CPUUSER:7 CPUIRQ:4 BLANKBOX:0
CPUIDLE:5 CPUWAIT:6 BLANKBOX:0 CPUSTEAL:1 CPUGUEST:3
ownonecpuline
Redefinition of line labeled with 'CPU' for utilization of one CPU:
ownonecpuline CPUISYS:8 CPUIUSER:7 CPUIIRQ:4 BLANKBOX:0
CPUIIDLE:5 CPUIWAIT:6 BLANKBOX:0 CPUISTEAL:1 CPUIGUEST:3
owncplline
Redefinition of line labeled with 'CPL':
owncplline CPLAVG1:4 CPLAVG5:3 CPLAVG15:2 BLANKBOX:0 CPLCSW:6
CPLINTR:5 BLANKBOX:0 CPLNUMCPU:1
ownmemline
Redefinition of line labeled with 'MEM':
ownmemline MEMTOT:2 MEMFREE:5 MEMCACHE:3 MEMDIRTY:1
MEMBUFFER:3 MEMSLAB:3 BLANKBOX:0 BLANKBOX:0 BLANKBOX:0
BLANKBOX:0
ownswpline
Redefinition of line labeled with 'SWP':
ownswpline SWPTOT:3 SWPFREE:4 BLANKBOX:0 BLANKBOX:0
BLANKBOX:0 BLANKBOX:0 BLANKBOX:0 BLANKBOX:0 SWPCOMMITTED:5
SWPCOMMITLIM:6
ownpagline
Redefinition of line labeled with 'PAG':
ownpagline PAGSCAN:3 PAGSTALL:1 BLANKBOX:0 PAGSWIN:4
PAGSWOUT:3
owndskline
Redefinition of lines labeled with 'LVM', 'MDD' and 'DSK':
owndskline DSKNAME:8 DSKBUSY:7 DSKNREAD:6 DSKNWRITE:6
DSKKBPERRD:4 DSKKBPERWR:4 DSKMBPERSECRD:5 DSKMBPERSECWR:5
DSKAVQUEUE:1 DSKAVIO:5
ownnettrline
Redefinition of line labeled with 'NET' for transport:
ownnettrline NETTRANSPORT:9 NETTCPI:8 NETTCPO:8 NETUDPI:8
NETUDPO:8 NETTCPACTOPEN:6 NETTCPPASVOPEN:5 NETTCPRETRANS:4
NETTCPINERR:3 NETTCPORESET:20 NETUDPNOPORT:1 NETUDPINERR:3
ownnetnetline
Redefinition of line labeled with 'NET' for network:
ownnetnetline NETNETWORK:5 NETIPI:4 NETIPO:4 NETIPFRW:4
NETIPDELIV:4 BLANKBOX:0 BLANKBOX:0 BLANKBOX:0 NETICMPIN:1
NETICMPOUT:1
ownnetifline
Redefinition of line labeled with 'NET' for interfaces:
ownnetifline NETNAME:8 NETPCKI:7 NETPCKO:7 NETSPEEDIN:6
NETSPEEDOUT:6 NETCOLLIS:3 NETMULTICASTIN:2 NETRCVERR:5
NETSNDERR:5 NETRCVDROP:4 NETSNDDROP:4
The lines above are shown in the order as shown by atop in combination
with the -f flag (in a very wide window you should be able to see all
of the columns).
SEE ALSO
atop(1), atopsar(1), logrotate(8) http://www.atoptool.nl
AUTHOR
Gerlof Langeveld (gerlof.langeveld@atoptool.nl) JC van Winkel (jc@ATComputing.nl)
Opportunity
Personal Opportunity - Free software gives you access to billions of dollars of software at no cost. Use this software for your business, personal use or to develop a profitable skill. Access to source code provides access to a level of capabilities/information that companies protect though copyrights. Open source is a core component of the Internet and it is available to you. Leverage the billions of dollars in resources and capabilities to build a career, establish a business or change the world. The potential is endless for those who understand the opportunity.
Business Opportunity - Goldman Sachs, IBM and countless large corporations are leveraging open source to reduce costs, develop products and increase their bottom lines. Learn what these companies know about open source and how open source can give you the advantage.
Free Software
Free Software provides computer programs and capabilities at no cost but more importantly, it provides the freedom to run, edit, contribute to, and share the software. The importance of free software is a matter of access, not price. Software at no cost is a benefit but ownership rights to the software and source code is far more significant.
Free Office Software - The Libre Office suite provides top desktop productivity tools for free. This includes, a word processor, spreadsheet, presentation engine, drawing and flowcharting, database and math applications. Libre Office is available for Linux or Windows.
Free Books
The Free Books Library is a collection of thousands of the most popular public domain books in an online readable format. The collection includes great classical literature and more recent works where the U.S. copyright has expired. These books are yours to read and use without restrictions.
Source Code - Want to change a program or know how it works? Open Source provides the source code for its programs so that anyone can use, modify or learn how to write those programs themselves. Visit the GNU source code repositories to download the source.
Education
Study at Harvard, Stanford or MIT - Open edX provides free online courses from Harvard, MIT, Columbia, UC Berkeley and other top Universities. Hundreds of courses for almost all major subjects and course levels. Open edx also offers some paid courses and selected certifications.
Linux Manual Pages - A man or manual page is a form of software documentation found on Linux/Unix operating systems. Topics covered include computer programs (including library and system calls), formal standards and conventions, and even abstract concepts.
