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Jim Warner 046883b9d3 library: address an 'uninitialised value' VALGRIND bug
Thanks to valgrind and his --track-origins=yes option,
the problem and solution was suggested as shown below.

[ and it was created in that commit referenced below ]

But, after attacking this problem by adding a memset()
call in pids.c, a 2nd valgrind oops, also shown below,
was encountered. The dynamically acquired 'cmd' again!

[ might help to explain why changes appear excessive ]

Reference(s):
. 1st valgrind discovery
==11111== Conditional jump or move depends on uninitialised value(s)
==11111==    at 0x13425D: stat2proc (readproc.c:582)
==11111==    by 0x137436: look_up_our_self (readproc.c:1613)
==11111==    by 0x132196: fatal_proc_unmounted (pids.c:1388)
==11111==    by 0x11BA4D: before (top.c:3580)
==11111==    by 0x127E10: main (top.c:7173)
==11111==  Uninitialised value was created by a stack allocation
==11111==    at 0x132165: fatal_proc_unmounted (pids.c:1381)

. Jul, 2022 - fatal_proc_unmounted refactored
commit 52bd019d8c

. 2nd valgrind discovery
==22222== 16 bytes in 1 blocks are definitely lost
==22222==    by 0x4A0E60E: strdup (strdup.c:42)
==22222==    by 0x133D00: stat2proc (readproc.c:587)
==22222==    by 0x136E67: look_up_our_self (readproc.c:1613)
==22222==    by 0x131BC7: fatal_proc_unmounted (pids.c:1390)
==22222==    by 0x11B7C6: before (top.c:3580)
==22222==    by 0x127828: main (top.c:7173)

Signed-off-by: Jim Warner <james.warner@comcast.net>
2022-09-12 22:15:28 +10:00
doc misc: Move Documentation to doc 2022-08-29 18:38:52 +10:00
library library: address an 'uninitialised value' VALGRIND bug 2022-09-12 22:15:28 +10:00
local build-sys: Move git-version-gen 2022-08-29 20:53:01 +10:00
man docs: add info on why eip and esp are zeroed out 2022-09-04 13:48:45 -03:00
po nls: Update translations for ignore ancestors 2022-09-05 17:46:40 +10:00
po-man nls: Update man-po for EIP updates 2022-09-05 17:50:54 +10:00
src Improve trace(). 2022-09-01 22:44:05 +00:00
testsuite testsuite: Update the library tests for new location 2022-08-29 20:40:45 +10:00
.gitignore library: Rename to libproc2 2022-08-29 20:38:17 +10:00
.gitlab-ci.yml test: Update gitlab CI YAML to use shared runner 2016-04-20 22:20:55 +10:00
AUTHORS Changed git site to gitlab 2015-05-10 14:57:50 +10:00
autogen.sh misc: Move all binaries to src 2022-08-29 18:29:28 +10:00
ChangeLog Changed git site to gitlab 2015-05-10 14:57:50 +10:00
configure.ac build-sys: Move git-version-gen 2022-08-29 20:53:01 +10:00
COPYING license: update FSF addresses 2012-03-04 08:04:24 +11:00
COPYING.LIB miscellaneous: clean up trailing whitespace once again 2013-04-07 18:05:01 +10:00
create-man-pot.sh build-sys: Rearrange the manual pages 2022-08-29 18:07:43 +10:00
INSTALL.md INSTALL.md: Replace blockquotes with code blocks 2020-04-24 18:56:16 +10:00
Makefile.am build-sys: Fix paths for check-lib 2022-08-31 17:30:34 +10:00
NEWS misc: Update NEWS/man date for pgrep -A 2022-08-31 17:43:17 +10:00
README.md misc: Fix typo 2021-10-14 07:57:27 +11:00
sysctl.conf misc: Add some link examples to sysctl.conf (catch up) 2018-05-06 07:19:38 +10:00
translate-man.sh build-sys: Rearrange the manual pages 2022-08-29 18:07:43 +10:00

build status 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 distribution's 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.