Public bug reported:
If one enters `sudo iostat 0 2` which doesn't make any sense the
displayed usage message
Usage: iostat [ options ] [ <interval> [ <count> ] ]
Options are:
[ -c ] [ -d ] [ -h ] [ -k | -m ] [ -N ] [ -t ] [ -V ] [ -x ] [ -y ] [ -z ]
[ -j { ID | LABEL | PATH | UUID | ... } ]
[ [ -T ] -g <group_name> ] [ -p [ <device> [,...] | ALL ] ]
[ <device> [...] | ALL ]
doesn't mention the constraint that interval has to be > 0 which is
pretty clear, but `<interval > 0>` instead of `<interval>` provides a
faster clue what's wrong.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: sysstat 11.0.1-1
Uname: Linux 4.0.0-040000-generic x86_64
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Apr 28 00:27:14 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-04-02 (25 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
SourcePackage: sysstat
SystemImageInfo:
current build number: 0
device name:
channel: daily
last update: Unknown
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: sysstat (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug vivid
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https://bugs.launchpad.net/bugs/1449291
Title:
usage message of iostat should mention constraints
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