Command line and full screen utilities for browsing procfs, a "pseudo" file system dynamically generated by Linux to provide information about the status of entries in its process table.
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Topi Miettinen 173d5214db ps: add lots of sorting functions
Use NULL in format_array to indicate that the print function shall be
used also for sorting. Change sr_nop() to NULL for all fields which
don't use pr_nop() for printing.

Before the commit (note that '--sort label' has no effect: the rows
are not sorted according to label field):
$ ps -A -o command,label --sort label | grep /lib/systemd
/lib/systemd/systemd-journa system_u:system_r:syslogd_t:s0
/lib/systemd/systemd-udevd  system_u:system_r:udev_t:s0-s0:c0.c1023
/lib/systemd/systemd-networ system_u:system_r:systemd_networkd_t:s0
/lib/systemd/systemd-resolv system_u:system_r:systemd_resolved_t:s0
/lib/systemd/systemd-timesy system_u:system_r:ntpd_t:s0
/lib/systemd/systemd-logind system_u:system_r:systemd_logind_t:s0
/lib/systemd/systemd --user user_u:user_r:user_t:s0
/lib/systemd/systemd --user root:sysadm_r:sysadm_t:s0-s0:c0.c1023
grep /lib/systemd           user_u:user_r:user_t:s0

After the commit, '--sort label' works and the output is sorted:
$ ps -A -o command,label --sort label | grep /lib/systemd
/lib/systemd/systemd --user root:sysadm_r:sysadm_t:s0-s0:c0.c1023
/lib/systemd/systemd-timesy system_u:system_r:ntpd_t:s0
/lib/systemd/systemd-journa system_u:system_r:syslogd_t:s0
/lib/systemd/systemd-logind system_u:system_r:systemd_logind_t:s0
/lib/systemd/systemd-networ system_u:system_r:systemd_networkd_t:s0
/lib/systemd/systemd-resolv system_u:system_r:systemd_resolved_t:s0
/lib/systemd/systemd-udevd  system_u:system_r:udev_t:s0-s0:c0.c1023
/lib/systemd/systemd --user user_u:user_r:user_t:s0
grep /lib/systemd           user_u:user_r:user_t:s0

Signed-off-by: Topi Miettinen <toiwoton@gmail.com>
2020-12-22 16:18:17 +11:00
contrib miscellaneous: clean up trailing whitespace once again 2013-04-07 18:05:01 +10:00
Documentation miscellaneous: remove some trailing whitespace buildup 2015-06-20 07:46:23 +10:00
include Build fails if not done from the source root directory (#105) 2018-08-08 19:55:02 +10:00
lib build-sys: Enable testing of sigqueue 2020-04-28 19:47:39 +10:00
man-po build-sys: update man translation makefile 2019-11-28 21:53:43 +11:00
misc
po vmstat: Add NEWS and revert comment from prev 2020-05-12 18:57:26 +10:00
proc Increase BUFFSIZE to handle very large /proc/stat files 2020-12-22 13:18:44 +11:00
ps ps: add lots of sorting functions 2020-12-22 16:18:17 +11:00
testsuite ps: Add NEWS and test for exe output 2020-12-22 15:31:39 +11:00
top top: a small safeguard added to the ATEOJ_RPTHSH logic 2020-10-24 18:29:13 +11:00
.gitignore pgrep: add pwait 2020-12-22 12:09:16 +11:00
.gitlab-ci.yml added gettext to dependency 2016-04-20 22:15:27 +10:00
AUTHORS Changed git site to gitlab 2015-05-10 14:57:50 +10:00
autogen.sh
ChangeLog Changed git site to gitlab 2015-05-10 14:57:50 +10:00
configure.ac w: Use POSIX <utmpx.h> functions where available 2020-12-22 14:59:15 +11:00
COPYING
COPYING.LIB miscellaneous: clean up trailing whitespace once again 2013-04-07 18:05:01 +10:00
create-man-pot.sh misc: Update translations 2018-03-12 14:24:49 +11:00
free.1 docs: use correct units in free.1 2018-05-31 20:34:13 +10:00
free.c free,slabtop,uptime: complain about extra ops 2020-10-19 22:36:06 +11:00
INSTALL.md INSTALL.md: Replace blockquotes with code blocks 2020-04-24 07:50:57 +00:00
kill.1 kill: Adjust documentation for sigqueue 2020-04-24 19:29:34 +10:00
Makefile.am pgrep: add pwait 2020-12-22 12:09:16 +11:00
NEWS ps: Add NEWS and test for exe output 2020-12-22 15:31:39 +11:00
pgrep.1 pgrep: add pwait 2020-12-22 12:09:16 +11:00
pgrep.c pgrep: Remove memory leak 2020-12-22 16:08:49 +11:00
pidof.1 pidof: allow to suppress output 2020-12-22 14:31:17 +11:00
pidof.c pidof: allow to suppress output 2020-12-22 14:31:17 +11:00
pkill.1
pmap.1 docs: some manpage fixes 2020-06-04 22:25:26 +10:00
pmap.c pmap: Fix extended mode in one_proc(). 2018-05-19 07:32:22 +10:00
procio.c procio: fix potential out-of-bounds access when write fails 2019-03-04 21:44:52 +11:00
pwait.1 pgrep: add pwait 2020-12-22 12:09:16 +11:00
pwdx.1 docs: some manpage fixes 2020-06-04 22:25:26 +10:00
pwdx.c pwdx: Fix a misleading comment. 2018-05-19 07:32:21 +10:00
README.md misc: Remove build badge 2018-06-23 22:51:12 +10:00
skill.1 docs: skill.1 - Remove trailing ^Z 2019-10-31 14:24:17 +11:00
skill.c kill: Fix argument handling for negative PIDs 2020-12-22 03:16:47 +00:00
slabtop.1 docs: some manpage fixes 2020-06-04 22:25:26 +10:00
slabtop.c free,slabtop,uptime: complain about extra ops 2020-10-19 22:36:06 +11:00
snice.1
sysctl.8 docs: some manpage fixes 2020-06-04 22:25:26 +10:00
sysctl.c sysctl: config directory order 2020-02-27 21:58:07 +11:00
sysctl.conf misc: Add link protection examples to sysctl.conf 2018-03-03 18:56:20 +11:00
sysctl.conf.5 docs: some manpage fixes 2020-06-04 22:25:26 +10:00
tload.1 docs: some manpage fixes 2020-06-04 22:25:26 +10:00
tload.c tload: Prevent integer overflows of ncols, nrows, and scr_size. 2018-05-19 07:32:21 +10:00
translate-man.sh Fixed translate-man.sh for no top ps 2014-05-28 20:12:33 +10:00
uptime.1 docs: Fix typos in slabtop.1, sysctl.8 and uptime.1 2014-09-16 19:35:28 +02:00
uptime.c free,slabtop,uptime: complain about extra ops 2020-10-19 22:36:06 +11:00
vmstat.8 vmstat and watch manpage slight fixes 2020-06-30 10:54:58 +02:00
vmstat.c vmstat: Add NEWS and revert comment from prev 2020-05-12 18:57:26 +10:00
w.1 docs: some manpage fixes 2020-06-04 22:25:26 +10:00
w.c w: Use POSIX <utmpx.h> functions where available 2020-12-22 14:59:15 +11:00
watch.1 docs: Consistent style across watch.1 2020-12-22 11:02:58 +11:00
watch.c If you use echo -e $(put sgr0)"text" - reset color attributes, it turns out the artifact (Btext 2020-12-22 15:41:44 +11:00

procps

procps is a set of command line and full-screen utilities that provide information out of the pseudo-filesystem most commonly located at /proc. This filesystem provides a simple interface to the kernel data structures. The programs of procps generally concentrate on the structures that describe the processess running on the system.

The following programs are found in procps:

  • free - Report the amount of free and used memory in the system
  • kill - Send a signal to a process based on PID
  • pgrep - List processes based on name or other attributes
  • pkill - Send a signal to a process based on name or other attributes
  • pmap - Report memory map of a process
  • ps - Report information of processes
  • pwdx - Report current directory of a process
  • skill - Obsolete version of pgrep/pkill
  • slabtop - Display kernel slab cache information in real time
  • snice - Renice a process
  • sysctl - Read or Write kernel parameters at run-time
  • tload - Graphical representation of system load average
  • top - Dynamic real-time view of running processes
  • uptime - Display how long the system has been running
  • vmstat - Report virtual memory statistics
  • w - Report logged in users and what they are doing
  • watch - Execute a program periodically, showing output fullscreen

Reporting Bugs

There are a few ways of reporting bugs or feature requests:

  1. Your distributions bug reporter. If you are using a distribution your first port of call is their bug tracker. This is because each distribution has their own patches and way of dealing with bugs. Also bug reporting often does not need any subscription to websites.
  2. GitLab Issues - To the left of this page is the issue tracker. You can report bugs here.
  3. Email list - We have an email list (see below) where you can report bugs. The problem with this method is bug reports often get lost and cannot be tracked. This is especially a big problem when its something that will take time to resolve.

If you need to report bugs, there is more details on the Bug Reporting page.

Email List

The email list for the developers and users of procps is found at http://www.freelists.org/archive/procps/ This email list discusses the development of procps and is used by distributions to also forward or discuss bugs.