path: root/NEWS

procps-ng-4.0.4
---------------
  * library (API & ABI unchanged)
    increment revision: 0:2:0
    tolerates all potential 'cpuinfo' formats              issue #272
    restore the proper main thread tics valuations         issue #280
    Remove myself from proc count                          merge #193
    Refactor the escape code                               Debian #1035649
  * free: -L one line output                               issue #156
  * pgrep: Use only --signal option for signal             Debian #1031765
  * pgrep: suppress >15 warning if using regex             Debian #1037450
  * pidof: Add -t option to show threads                   merge #190
  * pmap: Reset totals between processes                   issue #298
  * ps: fixed missing or corrupted fields with -m option   Debian #1036631, issue #279
  * ps: Fix buffer overflow in -C option CVE-2023-4016     Debian #1042887, issue #297
  * ps: Add --signames to show signal names in masks       merge #98
  * sysctl: -N show names                                  merge #198, RH #2222056
  * tests: dont compare floats with ==                     issue #271
  * tests: skips tests if maps missing                     merge #197, Gentoo #583036
  * top: bad command line arguments yield EXIT_FAILURE     issue #273
  * top: avoids keystroke induced '%Cpu' distortions
  * top: includes VM (guest) tics in 'system' overhead     issue #274
  * top: includes VM (guest) tics with '!' toggle          merge #179
  * top: lessen summary cpu distortions on first display   merge #180
  * top: better backspace handling wtth line edits         issue #278
  * vmstat: Print guest time in non-wide mode
  * w: Fix musl UT_HOSTSIZE issue
  * watch: Add color support at compile time               issue #296

procps-ng-4.0.3
---------------
  * library
    Only changes were in copyright headers and tests
  * docs: Don't install English manpages twice
  * pgrep: Add -H match on userspace signal handler        merge #165
  * pgrep: make --terminal respect other criteria
  * ps: c flag shows command name again                    Debian #1026326
  * ps.1: Match drs description from top.1                 merge #156
  * skill: Match on -p again                               Debian #1025915
  * top: E/P-core toggle ('5' key) added to help
  * vmstat: Referesh memory statistics                     Debian #1027963
  * vmstat: Fix initial si,so,bi,bo,in & cs values         issue #15
                                                           Debian #668580
  * vmstat: Fix conversion errors due to precision         merge #75
  * w: Add --pids option                                   merge #159
  * watch: Pass through beep                               issue #104
  * watch: -r option to not re-exec on SIGWINCH            merge #125
  * watch: find eol with --no-linewrap                     merge #157

procps-ng-4.0.2
---------------
  * library revision - 0:1:0
    Handle absent 'core_id' in /proc/cpuinfo
  * w: Show time with D_TIME_BITS=64 on 32bit env          issue #256

procps-ng-4.0.1
---------------
  * library
    Re-add elogind support                                 merge #151
    Used memory is Total - Available
    Renaming, it is now libproc2
  * free: Use --kilo when only specifying --si             merge #163
  * pgrep: Add -A to ignore ancestors                      merge #160
  * pidwait: Better warning if pidfd_open not implemented
  * pmap: Dont reuse stdin filehandle                      issue #231
  * ps: threads again display when -L is used with -q      issue #234
  * ps: proper aix format string behavior was restored
  * sysctl: print dotted keys again
  * top: fix 'smaps' bug preventing build under clang      issue #235
  * top: column highlighting allowed under 'L' or 'O'
  * top: can alter autogroup nice value (like 'r' renice)
  * top: can display the following with no need to scroll
  *      cmdline, control groups, environment,
         supplimentary groups, namespaces
  * top: adds a 'message log' recall capability
  * top: will accept utf8 multi-byte input with support
         for full line editing and previous line recall
  * top: can show more than 2 abreast in summary display
  * top: can distinguish P-Core and E-core cpus
  * top: can filter both P-Core and E-core cpus
  * watch: Add equexit no-change and exit option           merge #153

procps-ng-4.0.0
---------------
  * Rename pwait to pidwait
  * free: Add committed line option                        merge #25
  * free: Fix -h --si combined options                     issue #133, #223
  * free: Fix first column justification                   issue #229, #204, #206, Debian #1001689
  * free: Better spacing for Chinese language              issue #213
  * library: renamed to libproc-2 and reset to 0:0:0
  * library: add support for accessing smaps_rollup        issue #112, #201
  * library: add support for accessing autogroups
  * library: add support for LIBPROC_HIDE_KERNEL env var   merge #147
  * library: add support for cpu utilization to pids i/f
  * pkill: Check for lt- variants of program name          issue #192
  * pgrep: Add newline after regex error message           merge #91
  * pgrep: Fix selection where uid/gid > 2^31              merge !146
  * pgrep: Select on cgroup v2 paths                       issue #168
  * ps: Add OOM and OOMADJ fields                          issue #198
  * ps: Add IO Accounting fields                           issue #184
  * ps: Add PSS and USS fields                             issue #112
  * ps: Add two new autogroup fields
  * ps: Ignore SIGURG                                      merge !142
  * slabtop: Don't combine d and o options                 issue #160
  * sysctl: Add support for systemd glob patterns          issue #191
  * sysctl: Check resolved path to be under /proc/sys      issue #179
  * sysctl: return non-zero if EINVAL return for write     merge #76
  * sysctl.conf.5: Note max line length                    issue #77
  * top: added LOGID similar to 3.3.13 ps LUID
  * top: added EXE identical to 3.3.17 ps EXE
  * top: exploit some library smaps_rollup provisions      issue #112
  * top: added four new IO accounting fields               issue #184
  * top: 'F' key is now a new forest view 'focus' toggle
  * top: summary area memory lines can print two abreast
  * top: added two new autogroup fields
  * top: added long versions of command line options
  * top: added cpu utilization & 2 time related fields
  * top: the time related fields can now be user scaled
  * uptime: print short/pretty format correctly            issue #217
  * vmstat: add -y option to remove first line             merge !72

procps-ng-3.3.17
---------------
  * library: Incremented to 8:3:0
    (no removals or additions, internal changes only)
  * all: properly handle utf8 cmdline translations         issue #176
  * kill: Pass int to signalled process                    merge #32
  * pgrep: Pass int to signalled process                   merge #32
  * pgrep: Check sanity of SG_ARG_MAX                      issue #152
  * pgrep: Add older than selection                        merge #79
  * pidof: Quiet mode                                      merge #83
  * pidof: show worker threads                             Redhat #1803640
  * ps.1: Mention stime alias                              issue #164
  * ps: check also match on truncated 16 char comm names
  * ps: Add exe output option                              Redhat #1399206
  * pwait: New command waits for a process                 merge #97
  * sysctl: Match systemd directory order                  Debian #950788
  * sysctl: Document directory order                       Debian #951550
  * top: ensure config file backward compatibility         Debian #951335
  * top: add command line 'e' for symmetry with 'E'        issue #165
  * top: add '4' toggle for two abreast cpu display        issue #172
  * top: add '!' toggle for combining multiple cpus
  * top: fix potential SEGV involving -p switch            merge #114
  * vmstat: Wide mode gives wider proc columns             merge #48
  * watch: Add environment variable for interval           merge #62
  * watch: Add no linewrap option                          issue #182
  * watch: Support more colors                             merge #106,#109
  * free,uptime,slabtop: complain about extra ops          issue #181

procps-ng-3.3.16
----------------
  * docs: Use correct symbols for -h option in free.1      Debian #898774
  * docs: ps.1 now warns about command name length         issue #101
  * pgrep: Match on runstate                               issue #109, Debian #919381
  * top: can now exploit 256-color terminals               issue #96
  * top: preserves 'other filters' in configuration file   issue #99
  * top: can now collapse/expand forest view children      issue #99
  * top: parent %CPU time includes collapsed children
  * top: improve xterm support for vim navigation keys     issue #135
  * top: avoid segmentation fault at program termination   Redhat #1737552

procps-ng-3.3.15
----------------
  * library: Increment to 8:0:1
    No removals, no new functions
    Changes: slab and pid structures
  * library: Just check for SIGLOST and don't delete it    issue #93
  * library: Fix integer overflow and LPE in file2strvec   CVE-2018-1124
  * library: Use size_t for alloc functions                CVE-2018-1126
  * library: Increase comm size to 64
  * pgrep: Fix stack-based buffer overflow                 CVE-2018-1125
  * pgrep: Remove >15 warning as comm can be longer        issue #92
  * ps: Fix buffer overflow in output buffer, causing DOS  CVE-2018-1123
  * ps: Increase command name selection field to 64
  * top: Don't use cwd for location of config              CVE-2018-1122

procps-ng-3.3.14
----------------
  * free: Fix scaling on 32-bit systems                    issue #89
  * pgrep: Don't segfault on non match                     Debian #894917
  * pgrep/pkill: Revert so matches all namespaces          issue #91
  * library: Build on non-glibc systems                    issue #88

procps-ng-3.3.13
----------------
  * library: Increment to 7:0:1
    No changes, no removals
    New fuctions: numa_init, numa_max_node, numa_node_of_cpu,
      numa_uninit, xalloc_err_handler
  * doc: Document I idle state in ps.1 and top.1           Debian #886967
  * free: fix some of the SI multiples                     issue #45
  * kill: -l space between name parses correctly           Debian #854407
  * library: dont use vm_min_free on non Linux             Debian #831396
  * library: dont use SIGPWR on FreeBSD                    Debian #832148
  * library: don't strip off wchan prefixes (ps & top)     Redhat #1322111
  * pgrep: warn about 15+ char name only if -f not used
  * pgrep/pkill: only match in same namespace by default   merge #41
  * pidof: specify separator between pids                  merge #58
  * pkill: Return 0 only if we can kill process            Debian #852758
  * pmap: fix duplicate output line under '-x' option      Redhat #1374061
  * ps: avoid eip/esp address truncations                  Debian #846361
  * ps: recognizes SCHED_DEADLINE as valid CPU scheduler
  * ps: display NUMA node under which a thread ran         issue #58
  * ps: Add seconds display for cputime and time           merge #43
  * ps: Add LUID field                                     merge #57 Redhat #1518986
  * sysctl: Permit empty string for value                  issue #74
  * sysctl: Don't segv when file not available             issue #76
  * sysctl: Read and write large buffers                   merge #56
  * top: add config file support for XDG specification
  * top: eliminated minor libnuma memory leak
  * top: show fewer memory decimal places (configurable)   issue #50
  * top: provide command line switch for memory scaling    Redhat #1034466, issue #53
  * top: provide command line switch for CPU States        issue #55
  * top: provides more accurate cpu usage at startup       Redhat #1182327
  * top: display NUMA node under which a thread ran        issue #58
  * top: fix argument parsing quirk resulting in SEGV      Redhat #1450429
  * top: delay interval accepts non-locale radix point     Redhat #1182248
  * top: address a wishlist man page NLS suggestion        Debian #865689
  * top: fix potential distortion in 'Mem' graph display   issue #64
  * top: provide proper multi-byte string handling         issue #68
  * top: startup defaults are fully customizable           Redhat #1153049, #1499410, issues #6, #78
  *      see man page 6c. SYSTEM Configuration File
  * watch: define HOST_NAME_MAX where not defined          Debian #830734
  * vmstat: Fix alignment for disk partition format        issue #69
  * watch: Support ANSI 39,49 reset sequences              issue #73

procps-ng-3.3.12
----------------
  * libprocps API 6:0:0
  * build: formerly optional --enable-oomem unconditional
  * free: man document rewritten for shared                Debian #755233
  * free: interpret intervals in non-locale way            Debian #692113
  * kill: report error if cannot kill process              Debian #733172
  * library: refine calculation of 'cached' memory
  * library: find tty quicker                              Debian #770215
  * library: eliminate threads display inconsistencies     Redhat #1284091
  * pidof: check cmd if space found in argv0
  * pmap: fixed detail parsing on long mapping lines
  * pmap: fix occasional incorrect memory usage values     Redhat #1262864
  * ps: sort by cgroup                                     Debian #692279
  * ps: display control group name with -o cgname
  * ps: fallback to attr/current for context               Debian #786956
  * ps: enabled broken 'thcount' option                    Redhat #1174313
  * tests: conditionally add prctl                         Debian #816237
  * top: displays the 3 new linux-4.5 RES memory fields
  * top: man page memory fields corrected + new narrative
  * top: added display of CGNAME (control group name)
  * top: is now more responsive to cpus brought online
  * top: namespace cols use suppressible zero
  * top: zero suppress ('0') includes out-of-memory & nice
  * top: better 'i' toggle management when scrolled
  * top: the '=' key now includes active locate requests
  * vmstat: devices exceeding 15 chars now displayed       Redhat #586078
  * watch: hostname added to header
  * watch: better handling ANSI including esc[m            Debian #830313
  * watch: use locale-independent float                    Debian #692113

procps-ng-3.3.11
----------------
  * libprocps API 5:0:0
  * pgrep: don't crash with -a -w flags. Merge 33, Debian #768190
  * skill: command line with signal number interpreted correctly
  * pmap: print process name even if smaps is unreadable Debian #775624
  * ps: sort by etimes column, uses etime Debian #794619
  * ps, top: Add support for LXC containers. Ubuntu #1174911
  * w: work with smaller window sizes Debian #183394
  * w: correctly find "best" proc with pid wrap
  * library: use merged systemd library Debian #731256
  * kill,skill,pkill: fix option parsing
  * top once again will fully honor a saved rcfile,
    without requiring --disable-modern-top. Debian #762928, #762947
  * vmstat: Not crash if partition appears before disk Debian #736628
  * free: -s without -c works Debian #733758

procps-ng-3.3.10
----------------
  * sysctl --system loads default config file - Debian #732920
  * ps doesn't exit on SIGCONT
  * top better accommodates discontinuous NUMA nodes
  * ps cmdline trailing spaces suppressed under zsh, redhat #1057600
  * kill restores the '-HUP -1' functionality
  * vmstat -d / -p segfault eliminated when /sys is not mounted
  * pgrep properly shows full command line when -au are combined
  * vmstat supports timestamps with -t/--timestamp option
  * top is now immune to distortions when system time is reset
  * top standardized the <Esc> key support with prompted input
  * top missing summary area info added to man document, ubuntu #574624
  * top properly responds to the current locale LC_NUMERIC setting
  * top provides alternate graph modes for cpu states and memory usage
  * top offers new startup defaults, plus ./configure --disable-modern-top
  * top exploits MemAvailable field and offers improved memory statistics
  * ps new --quick-pid option, a more efficient alternative to --pid option
  * usernames up to 32 characters now accommodated (up from 19), redhat #1112734
  * free exploits MemAvailable field and offers improved memory statistics
  * free considers slabs in displayed totals, debian #565518, ubuntu #126329
  * watch supports new ANSI styles and background colors

procps-ng-3.3.9
---------------
  * kernel namespaces support added to skill, pgrep, ps and top
  * pidof was reimplemented from scratch (replacing sysvinit pidof)
  * ps has configurable libselinux support (--enable-libselinux)
  * ps provides for display of systemd slice unit (--with-systemd)
  * free can once again report non-zero 'shared' memory
  * sysctl provides '--system' to ignore missing /etc/sysctl.conf
  * watch interval capacity was increased - debian #720445
  * pwdx no longer fails in a nonexistent locale - debian #718766
  * top clarified summary area Mem/Swap stats - debian #718670
  * top batch mode -w (width) abend fixed - debian #721204
  * top man page removed 'Bd/Ed' mdoc macros - debian #725713
  * top no longer clears screen at exit - redhat #977561
  * top adapted to potential libnuma stderr message - redhat #998678
  * top added missing batch mode newline - redhat #1008674


procps-ng-3.3.8
---------------
  * top adds extensions for linux NUMA/Node capability
  * top has reverted to former %CPU and %MEM precision
    but also provides a '--enable-wide-percent' option
    Debian #707648
  * eliminate the potential library segmentation fault
    Debian #706259, RedHat #951391
  * top now accommodates a window manager like 'screen'
    RedHat #962022
  * ps shows systemd unit and user unit for a process


procps-ng-3.3.7
---------------

  * top adds a powerful new filter feature wherein any
    window can include or exlude selected fields which
    contain specific values - Debian #682082 & #682083
  * top preserves user input for later recall and edit
  * top provides true input editing vs. just backspace
  * top user filtering with exclusion - Debian #682086
  * top field management resize errors no longer fatal
  * top is more responsive to window resize (SIGWINCH)
  * top will now preserve user's context when signaled


procps-ng-3.3.6
---------------

  * top adds a powerful new feature where the contents
    of some file or output from a program, pipeline or
    shell script can be viewed in its own scrollable &
    searchable window while pausing the normal display
  * top highlights matches with 'locate/next' commands
  * top adds summary/task area memory scaling commands
  * top adds a command to suppress insignificant zeros
  * top adds a command line sort field override switch
  * top provides a default PID for kill, nice commands
  * top allows core dump generation, if a signal would
  * pmap adds 2 new options based on smaps, -X and -XX
  * Adjusted pmap pidlist storage Debian #688180
  * programs will permit core-dumps RedHat #87825, 512857
  * receiving a signal is not a crash RedHat #871824, 441656
  * ps: Fixed negative etime RedHat #871819, #433266
  * pkill -c option returns Debian #693783
  * pmap uses correct types for memory allocation Debian #688180
  * expose freeproc, adds function to API Debian #681653


procps-ng-3.3.5
---------------
  * Bumped SONAME to take into acccount API change

procps-ng-3.3.4
---------------
  * Removed ps -aux bogus message
  * w get -i option to display IP addresses
  * watch 8bit fixes Debian #675069
  * Fixed FTBFS for non-linux Debian #677055
  * pkill -u <uid> doesn't need space Debian #676239
  * top enables intra-column horizontal scrolling
  * top can display a task's environment
  * top can display major/minor pg fault deltas, Debian ##84992
  * top provides additional control over column widths
  * top offers user controlled left/right justification

procps-ng-3.3.3
---------------
  * watch -g command repeats until something changes
  * Changed labels of kB etc to KiB Debian #662786
  * top supports hotplugged memory and cpus Debian #351934, #459287
  * top %cpu not distorted when switch to/from threads Debian #441166
  * top can read old toprc configuration files Debian #651213, #651863
  * top supports input paste once again Debian #663334
  * top -p avoids SEGV when pid doesn't exist Debian 668335
  * Various DejaGNU test cases fixed
  * pgrep.1 graoff syntax fix Debian #665425
  * sysctl avoid crash when -p file has unexpected input
  * sysctl .conf off-by-one error Debian #669128
  * libprocps: protect locale env getting overwrite RedHat #548711

  * Documentation catch up (fixed prior to 3.3.3)
    . top repeating "%" wastes space Debian #322984
    . top -U user name parse error Debian #623200
    . top memory leaks Debian #627257
    . top impossible task swap statistics Debian #628462
    . top forest view segfault Debian #650864


procps-ng-3.3.1 --> procps-ng-3.3.2
--------------------------------

  * Redefined library to use version-info
  * NLS added! Programs can use po files to localise the output to suite
    any supported languages.
  * Imported a bunch of distribution patches:
      watch: support unicode
      watch: add precision wait time option -p
      watch: interpret ANSI color code sequences
      watch: add -exec and -beep flags and has better quoting
      w: use environment to set user and from/host column widths
      w: use COLUMNS environment if TIOCGWINSZ fails
      w: bassman emulation with -o option
      vmstat: do not scale si/so just like bi/bo
      libprocps-ng: sysinfo.c: truncate the vmstat figure to 32 bits
      tload: remote unneeded optarg and optind variables
      sysctl: fix up some option processing
      skill: kill prints perror
      skill: do not treat skill null parameter as 0
      skill: fix too greedy option parser
      libprocps-ng: readproc.c: some type conversion help
      ps: rename SZ to SIZE
      ps: add sorting to %mem for ps
      pmap: provide information for -x option
      pgrep: distinguish between invalid commandline parameters and '-?'
      pgrep: fix compiler warning saved_start_time might be used uninitialized
      pgrep: add -c option for counting number of matched proceesses
      pwdx & libprocps-ng: Hurd does not have MAX_PATH defined
      ps: --sort does not work with time argument
      skill: add CR to warning line
      contrib: minimal ps: define mips PAGE_SIZE
      libproc-ng: prettyfy proc mount messages
      ps: add build option to disable ps option warning
      libproc-ng: support building without WCHAR support
      sysctl: remove index() for buildroot
  * top now has a search capability
  * User import is validated better to stop negative values for intervals etc

procps-ng-3.3.0 --> procps-ng-3.3.1
--------------------------------

  * Added DejaGNU regression testing
  * Fixed pgrep -u not finding processes Debian#649591
  * Fixed pgrep crashing
  * vmstat -p <part> finds partitions. Was Debian patch vmstat_part_format
    fixes closed bugs RH#485243 and Debian#588677
  * watch 8-bit clean, Was Debian patch watch_8bitchar
  * slabtop prints plain ASCII in once mode

procps-3.2.8 --> procps-ng-3.3.0
------------------------------------------------------
Debian, Fedora and openSUSE fork of procps.
https://gitlab.com/procps-ng/procps

environment/build changes:
 . autotools integrated
 . procps-ng specific options
     --enable-oomem  (add out-of-memory flds)
     --disable-kill  (do not build kill pgm)
     --enable-w-from (from as default for w)

library changes:
 . added control groups support
 . added supplementary groups support
 . introduced proc_t memory management
 . enabled hot-plugged cpu support
 . introduced new api's
     readeither   (readproc.c)
     readproctab3 (readproc.c)
     escaped_copy (escape.c)

free changes:
 . rewritten/modernized
     improved help
     includes long options
     added new processing options
 . updated manual page

ps changes:
 . added new fields
     cgroups,etimes,supgid,supgrp,tgid
 . exploited new library api's

top changes:
 . redesigned fields management
 . added new fields
     cgroups,gid,nmin,nth,pgrp,ruid,
     sid,suid,supgids,supgrps,suser,
     tgid,tpgid
 . added horizontal/vertical scrolling
 . added flexible output override via -w
 . added COMMAND column forest view via V
 . added hot-plugged cpu/memory support
 . improved user filtering via u|U
 . improved signal handling
 . restored zero delay functionality
 . introduced true line input editing
 . exploited new library api's
 . improved performance up to 300%

Debian, Fedora and openSUSE fork of procps.
https://gitlab.com/procps-ng/procps
------------------------------------------------------

procps-3.2.8 --> procps-3.2.9 (pending)

top: fix an aliasing problem -- thanks David Owen

procps-3.2.7 --> procps-3.2.8

ps: allow "+" in sort specifications, as in man page     rh208217
ps: recognize SCHED_ISO and SCHED_IDLE
ps: document SCHED_BATCH and add a "see also" for stime
ps: man page less ambiguous
top: normal exit code should be 0     #341272 #354255 rh199174 suse493210
top: misc fixes
pgrep: usage error should exit with 2       #413383
vmstat: use EXIT_FAILURE -- thanks Yoshio Nakamura   #425492
sysctl: fix crash -- thanks Steinar Gunderson      #423704
watch: tolerate umlauts                          #207103
pmap: range limits with -A low,high
update /dev/tty* info to May 2009 devices.txt
don't read off end of string const                rh469495 rh498182

procps-3.2.6 --> procps-3.2.7

top: document H option -- thanks Tony Ernst
top: terabytes -- thanks Tony Ernst
top: CPU usage column width fixes -- thanks Tony Ernst
top: *roff change                                   #326517
ps: SCHED_BATCH is B
ps: fix s format (signals) output with thread display
watch: avoid integer overflow for the time delay
pwdx: buffer overflow fixed -- thanks Ulf Harnhammar
procps.spec needed a slash -- thanks Jesse Brandeburg
w: stale utmp entries snuck in via uninitialized var -- thanks Robert A Basch
pgrep/pkill: fix some realloc-related crashes       #353894
pgrep/pkill: g is criteria (PLD Linux, patch found in locked filing cabinet)
sysctl: use - for stdin (PLD Linux: beware of the leopard)
top: show CPU time stolen from a virtual machine

procps-3.2.5 --> procps-3.2.6

vmstat: /proc/stat buffer big enough for 1024 CPUs
dietlibc needs termios.h for struct winsize -- thanks Thomas Ogrisegg
top: can do per-task display -- thanks John Blackwood     rh114012
more MIPS crud  -- thanks Jim Gifford and Ryan Oliver
begin prep for setuid
top: fix %CPU max on 2..9 CPU SMP -- thanks Ga*tan LEURENT  rh110555
ps: fix crash related to realloc -- thanks David Houlder
ps: man page more detailed                         #334682
spelling fixes                       #300333 #334684 #334685
top: crash on resize fixed -- thanks Michal Maruska   #320289
vmstat: -p handles /dev/ and does not overflow  #319523 #330969

procps-3.2.4 --> procps-3.2.5

display problem on 64-bit systems fixed   #287947
top: variable-width PID and PPID
top: variable-width %CPU                   rh110555
sysctl: better error messages
ps: security labels can contain any printable ASCII
top: help and version message on stdout, with exit(0)    #283541
ps: SIGTSTP and SIGTTOU shouldn't print bug email address    #246123
slabtop: compile with glibc 2.2.17 (and older, likely)
slabtop: fix overflow on huge NUMA boxes                #264640
slabtop: accept any slabinfo 2.x format        g77301  #287691 rh145369 rh145906
ps: alignment after WCHAN fixed                            ub5385
pmap: when no -x or -d option, show full path        rh142751

procps-3.2.3 --> procps-3.2.4

support 64-bit MIPS with n32 binary
sparc32 optimized for sparc32 again
pwdx: new command -- thanks Nicholas Miell
ps: UTF-8 username + command -- thanks Karel Zak rh134763,rh112518,rh134780
ps: more room for some columns
ps: tolerate SubDomain security module CONTEXT/LABEL data    #277401
watch: passes COLUMNS and LINES in environment
top: in batch mode, tolerate unknown $TERM -- thanks Daniel Walsh
pkill: quiet about processes that die before kill()

procps-3.2.2 --> procps-3.2.3

avoid truncating long usernames
avoid warning about -lncurses when not linking (more)
new names for shared libraries (packagers: watch out!)
"make install" no longer rebuilds everything
wchan now '*' for multi-threaded processes
ps: new man page -- thanks Nicolas Francois
ps: STAT shows l for multi-threaded processes
vmstat: some overflow problems fixed -- thanks Holger Kiehl
sysctl: man page fix

procps-3.2.1 --> procps-3.2.2

new packager (downstream maintainer) guidelines in README
move striping from install command to CFLAGS
new gcc options in use: -fweb, -frename-registers, etc.
avoid warning about -lncurses when not linking -- thanks FLWM
tolerate IA-64 headers without PAGE_SIZE
ps: k option, same as --sort
ps: personality-specific -x support (HP-UX and SVR4-MP)
pgrep: man page SEE ALSO updated                    #226817
sysctl: -q and -N options
sysctl: better error handling of failed writes
top: tolerate sparse CPU numbering
top: try to handle terminals lacking rmam and smam     #235003
top: xterm dislikes clear-to-eol at eol (char lost)
vmstat: fixed -d
watch: allow sub-second intervals -- thanks Thomas Stewart

procps-3.2.0 --> procps-3.2.1

build even w/ curses in an odd location -- thanks to Segher Boessenkool
ps: STAT flags for fg process group and session leader
ps: STAT flags for swapped out process dropped (was broken)
ps: new -M and Z options for security data (SELinux, etc.)
slabtop: detect broken /proc/slabinfo -- thanks to Fabian Frederick
slabtop: ensure that error messages show up on the screen -- FF again

procps-3.1.15 --> procps-3.2.0

build on IA-64 again                            #227933
pmap: output like Solaris 9, not Solaris 7
ps: also handle SELinux on the 2.4.xx kernels
top: during a ^Z, the terminal was messed up     #228822
future-proof the tty handling   (thanks to Zhou Wei)
slabtop  (Chris Rivera and Robert Love)          #226778
pmap: detect the primary stack
pmap: -d format
free: report high and low memory

procps-3.1.14 --> procps-3.1.15

install to /lib64 if it exists
hide kernel PID bug (Linux 2.4.13-pre1 to 2.4.MAX)   #217278 #219730 #217525 #224470
ps: faster threaded display
top: auto-margin problem                           #217559
ps: support NSA SELinux, all builds, Linux 2.6+    #193648
sysctl: tweak man page for ESR's broken parser

procps-3.1.13 --> procps-3.1.14

top: displays on more genuine serial terminals
handle 32-bit dev_t of Linux 2.6
ps: finally, m and -m satisfy the original design
ps: distinct per-thread and whole-process pending signals

procps-3.1.12 --> procps-3.1.13

ps: can display NPTL threads w/ kernel patch
no seLinux for now (new kernel interface)

procps-3.1.11 --> procps-3.1.12

ps: explicit width ("ps -o pid,wchan:42,args")
ps: $PS_FORMAT works properly                    #201575
top: new Linux 2.6.0-test4 CPU stats shown
top: multiple -p options work again
top: fixed 4 GB wrap-around
ps: has a set of tests to ensure correctness
man page: /var/run/utmp, not /etc/utmp           #206583
required flags moved out of CFLAGS               #205429
RPM generation handles /lib64
WCHAN skips leading '.'
vmstat: numerous new features

procps-3.1.10 --> procps-3.1.11

compile with gcc 2.95 again (C99 issue)

procps-3.1.9 --> procps-3.1.10

handle GPLONLY_ symbols                       #143549 #188374
kill: better man page
skill: better man page
ps: PID-like columns change width as needed
top: COMMAND instead of Command
vmstat: -m displays slabinfo
vmstat: -d displays disk stats

procps-3.1.8 --> procps-3.1.9

memory sizes fixed for 64-bit w/ gcc 3.x      #194376 #191933
ps: detect broken OS install w/o /proc mounted        #172735
top: fix suspend/resume behavior
top: ditch warning until a GOOD interface is found    #188271
kill: more info in the man page                       #182414
ps: document the -o, o, -O, and O options             #169301
vmstat: choose units you like: 1000, 1024, 1000000...

procps-3.1.7 --> procps-3.1.8

top: fix keyboard handling (help screen, etc.)

procps-3.1.6 --> procps-3.1.7

Makefile: made SKIP feature easier to use
watch: --help now explains -t, --no-title    #182246
ps: warning directs users to the FAQ
top: batch mode can refresh by fractional seconds
top: faster start-up
top: do not refresh like crazy
ps: better crash message

procps-3.1.5 --> procps-3.1.6

handle the 2.5.61 kernel
top: memory leak fixed
ps: new --ppid option selects by PPID
watch: new --no-title option              #179862
handle SPARC Linux badness
rare crash fixed
compile with gcc 2.91.xx again
more informative "ps --info"
README update
ps: compare more with "ps -C verylongname"     #178127

procps-3.1.4 --> procps-3.1.5

ancient (2.x.xx era) data corruption fixed
serious hidden-process problem (3.1.3+) fixed
w: escape sequence vulnerability fixed

procps-3.1.3 --> procps-3.1.4

top: was trashing every "3" in a command name
top: when killing a process, the PID was cut at a "3"
top: more reliable %CPU
update copyright dates (GPL & LGPL require this)
RPM generation works now

procps-3.1.2 --> procps-3.1.3

uses /proc/*/wchan files when available
top: user selection
sysctl: add -e for Red Hat 8.0 boot scripts
sysctl: the obvious --help, -V, and --version
sysctl: some command line error checking
w: stdout, not stderr -- thanks to Sander van Malssen

procps-3.1.1 --> procps-3.1.2

better RPM generation
use C99 features
some seLinux fixes
now count Inact_laundry as needed  #172163
ps: fewer globals
ps: hardware-enforced buffer protection
ps: 1 kB smaller
top: B command added (for bold on/off)
top: handle old (and future) config files
top: man page tweak
top: old sort keys     #167249
top: out-of-bounds RT as "RT"
top: several times faster
top: t command fixed
vmstat: -f
vmstat: -s
w: much faster
watch: don't drop empty lines   #171005
watch: re-indented

procps-3.1.0 --> procps-3.1.1

vmstat faster on 2.5.xx kernels
vmstat header fixed
vmstat -a re-fixed

procps-3.0.5 --> procps-3.1.0

vmstat displays IO-wait time instead of bogus "w"
can build w/o shared library (set SHARED=0)
when IO-wait hidden, count as idle, not as sys
pmap command added (like Sun has)
do not crash GNU make 3.79
top slightly faster

procps-3.0.4 --> procps-3.0.5

top tolerates super-wide displays
better (?) RPM generation
XConsole and top.desktop removed
old build system removed
code cleanup
pgrep and pkill get "-o" (oldest matching process)
had vmstat "bi" and "bo" output interchanged on 2.5.xx
fix man page tbl directives
top man page cleaned up

procps-3.0.3 --> procps-3.0.4

make top go faster
Linux 2.2.xx ELF note warning removed
only show IO-wait on recent kernels
fix top's SMP stats
fix top for "dumb" and "vt510" terminals
in top, limit the priority values to -99 ... 99

procps-3.0.2 --> procps-3.0.3

more "make install" fixes
lib CFLAGS working again
top.1 codes fixed
bad (int*) cast in top removed
top runs faster
libproc memory corruption fixed
rant moved out of top.1 man page
ability to SKIP installing things
fixed ps --sort crash

procps-3.0.1 --> procps-3.0.2

top defaults to the old layout
top defaults to sorting by %CPU
fix top for non-SMP 2.2.xx and 2.0.xx
new "make install" fixed
vmstat -a fixed
vmstat compiles with latest gcc-3.x
vmstat does 64-bit time

procps-3.0.0 --> procps-3.0.1

sysctl handles net/ipv4/conf/eth1.0123/tag (VLAN interface)
sysctl handles net.ipv4.conf.eth1/0123.tag (VLAN interface)
"ps" is now about 2x faster than in procps-2.x.x
"ps -F" now documented
w works in KOI8-R locale
vmstat documentation update
"skill -n blah blah blah" lets you test options
simple "make && make install" now

procps-2.x.x --> procps-3.0.0

designed to support Linux 2.0 through 2.5.41 and beyond
new top, with optional: color, windowing, SMP stats
runs faster
more "it crashes" bugs fixed
top shows IO-wait time
vmstat can show active/inactive memory stats
real-time info supported in ps
correct "ps -o size" and "ps --sort size"
new maintainers
reduced memory usage for ps
allow large PIDs to be specified
SELINUX support is just a recompile away
the "F" column shrank, so "ps -l" has more command name room
64-bit time reduces the overflow problem
support S/390, IA-64 emulator, and user-mode Linux
oldps is gone
configure script -- use "make -f Makefile.noam" as a backup
"w" program better at determining what a user is doing
more stable
code at http://procps.sf.net/ now (SourceForge)

Earlier changes, for those not using Debian already:

more stable
runs faster
-F format option
better error reporting in ps for unknown format specifiers
BSD's sysctl options -b and -X
top displays well on large-memory systems
old BSD-style select-by-PID ("ps l$$")
15-character user names
ps 'f' ASCII art forest fixed
add SIGSYS on i386
top reports real RSS value
large-memory systems work
minimal ps program for embedded systems (minimal.c)
BSD personality process selection fixed
support locale (French) with ',' and '.' mixed up
pgrep program
includes the "kill" and "nice" programs
don't chop non-tty ps output at 80 columns