A correction to my previous comment: <https://bugs.launchpad.net/ubuntu/+source/procps/+bug/295876/comments/3> states that pgrep gets the process' name from /proc/<pid>/stat, not /proc/<pid>/status, as I wrote, and appears to be correct.
cat /proc/22351/stat 22351 (chromium-browse) S 1616 1829 1829 0 -1 4194560 31046 20451 701 0 468 160 6 2 20 0 31 0 355501 1271119872 38692 18446744073709551615 94135085649920 94135125690420 140723151897424 140723151896160 140132228684269 0 0 4096 81923 0 0 0 17 3 0 0 64 0 0 94135127791120 94135129570812 94135143915520 140723151902368 140723151902426 140723151902426 140723151904717 0 /proc/<pid>/status itself gets its info from /proc/<pid>/stat and /proc/<pid>/statm. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to procps in Ubuntu. https://bugs.launchpad.net/bugs/1174911 Title: pgrep cuts process names Status in procps package in Ubuntu: Confirmed Bug description: When looking for a process with a long process name, pgrep cuts the process name, and so doesn't match an exact search. For example: # launch gnome-calculator: $ gnome-calculator # use 'ps a' to show process table - note the whole process name is present: $ ps a PID TTY STAT TIME COMMAND 1411 tty4 Ss+ 0:00 /sbin/getty -8 38400 tty4 1417 tty5 Ss+ 0:00 /sbin/getty -8 38400 tty5 1427 tty2 Ss+ 0:00 /sbin/getty -8 38400 tty2 1428 tty3 Ss+ 0:00 /sbin/getty -8 38400 tty3 1436 tty6 Ss+ 0:00 /sbin/getty -8 38400 tty6 9417 pts/1 Sl 0:00 gnome-calculator 9426 pts/1 R+ 0:00 ps a (some results cut for clarity) # now try and find it with pgrep: $ pgrep gnome-calculator # no results! however, this works: $ pgrep gnome-calculato ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: procps 1:3.3.3-2ubuntu5 ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8 Uname: Linux 3.8.0-19-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.9.2-0ubuntu8 Architecture: amd64 Date: Tue Apr 30 13:35:02 2013 InstallationDate: Installed on 2012-01-17 (469 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) MarkForUpload: True SourcePackage: procps UpgradeStatus: Upgraded to raring on 2012-12-05 (145 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/procps/+bug/1174911/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
