[Bug 531310] Re: Top showing 9999% CPU usage

[Asterix Gaulês]

It seems that the bug is in the CPU time calculation for the process.
Some samples display a smaller time than the previous sample, thus
resulting in negative CPU % for that period, which explains the overflow
value that appears (9999.0)

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Title:
  Top showing 9999% CPU usage

Status in procps package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: procps

  In the attached screenshot, 'top' is showing 9999% CPU usage for the
  firefox process. This is not possible.

  ProblemType: Bug
  Architecture: i386
  Date: Wed Mar  3 13:28:18 2010
  DistroRelease: Ubuntu 9.10
  NonfreeKernelModules: nvidia
  Package: procps 1:3.2.8-1ubuntu3
  ProcEnviron:
   LANGUAGE=
   PATH=(custom, user)
   LANG=en_DK.UTF-8
   SHELL=/bin/zsh
  ProcVersionSignature: Ubuntu 2.6.31-19.56-generic
  SourcePackage: procps
  Uname: Linux 2.6.31-19-generic i686
  XsessionErrors: (polkit-gnome-authentication-agent-1:2629): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed

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