Ubuntu
procps package

  1. Bug #1874824
  2. Comment #0

Comment 0 for bug 1874824

Revision history for this message
Sven Hartrumpf (hartrumpf) wrote :

If you have no stack limit (ulimit -S -s unlimited), any pgrep call will fail with an error:

> pgrep vim
pgrep: cannot allocate 4611686018427387903 bytes

If you have a high stack limit (e.g. ulimit -S -s 500000), pgrep is very slow:

> time pgrep vim
2196
real 8.48s user 8.40s syst 0.07s busy 99% rmem 253444

The relevant upstream bug report could be: https://gitlab.com/procps-ng/procps/-/issues/152
Archlinux bug report: https://bugs.archlinux.org/task/66093

procps:
  Installed: 2:3.3.16-1ubuntu2
  500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages