[Bug 1039260] Re: proc(5) doesn't document all CPU values in /proc/stat

[Michael Kerrisk]

This was fixed in upstream 3.46 release, commit
d4fd41208248a9c43eef300804dd3aff70eaa223

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Title:
  proc(5) doesn't document all CPU values in /proc/stat

Status in “manpages” package in Ubuntu:
  Confirmed

Bug description:
  The proc(5) man page only documents nine fields for the "cpu" line in
  /proc/stat:

    ...
    Since Linux 2.6.24, there is a ninth column, guest, which
    is the time spent running a virtual CPU for guest operat‐
    ing systems under the control of the Linux kernel.
    ...

  On my Ubuntu 12.04 system with Linux 3.2.0-24-generic-pae there are ten fields:
    cpu  70741124 519708 27538725 1384358154 33244926 9450 248630 0 0 0

  According to show_stat() function in fs/proc/stat.c in linux-3.2.0
  source package, the tenth field is the "guest_nice" tick value. It
  would be nice if this would be documented in the man page. I'm not
  quite sure what the guest_nice value actually means, though.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: manpages 3.35-0.1ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-24.37-generic-pae 3.2.14
  Uname: Linux 3.2.0-24-generic-pae i686
  NonfreeKernelModules: fglrx
  ApportVersion: 2.0.1-0ubuntu12
  Architecture: i386
  Date: Mon Aug 20 23:58:44 2012
  Dependencies:
   
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  PackageArchitecture: all
  SourcePackage: manpages
  UpgradeStatus: Upgraded to precise on 2012-05-14 (97 days ago)

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