ibus uses too much cpu while typing

Bug #1335373 reported by Sam Watkins
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ibus
Unknown
Unknown
ibus (Ubuntu)
Invalid
Undecided
Unassigned

Bug Description

What steps will reproduce the problem?

1. type random stuff fast in a terminal
2. ibus hogs 15% of a core - Intel Core i7-3610QM CPU @ 2.30GHz
3. this is much more CPU than recordmydesktop needs to record it!

What is the expected output? What do you see instead?

I expect this thing to forward my ASCII keystrokes to my terminal without eating 15% of a core.

I uploaded a youtube video to express my disgust with this program's ridiculously bad performance. https://www.youtube.com/watch?v=XPJs0pGOhxo

Maybe this ibus component is the second coming of Jesus for people who speak Chinese. If so, great. As for me, I don't need other input methods very much, I just want plain normal ASCII input to get through to my programs efficiently.

unity-control-center depends on ibus. You should not have let this thing into stable with its absolutely atrocious performance. In my opinion it should not be in Debian stable either; atrocious performance is a serious fault.

I do not expect operating system components to perform as if they were written by grade school children. Can you fix this thing to not suck, please? Or get rid of it. Or at least get rid of the dependency on it.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ibus 1.5.5-1ubuntu3
ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2
Uname: Linux 3.13.0-29-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
CurrentDesktop: XFCE
Date: Sat Jun 28 13:34:34 2014
InstallationDate: Installed on 2012-06-05 (752 days ago)
InstallationMedia: Linux Mint 13 "Maya" - Release amd64 (20120520)
SourcePackage: ibus
UpgradeStatus: No upgrade log present (probably fresh install)

Revision history for this message
Sam Watkins (w-sam-l) wrote :
Revision history for this message
Sam Watkins (w-sam-l) wrote :

I reported this bug upstream also:
https://code.google.com/p/ibus/issues/detail?id=1725

Revision history for this message
Sam Watkins (w-sam-l) wrote :

On my netbook, I can get it up to 35% cpu (of one core).
That has two Intel Atom CPU N450 @ 1.66Ghz.
At my normal typing speed, it uses 11% on the netbook.

Revision history for this message
Aron Xu (happyaron) wrote :

Can't reproduce in stock Ubuntu 14.04 amd64, closing as Invalid. I see in the upstream report you are using Mint, if that's the case please try to ask Mint developers to do some investigation.

Changed in ibus (Ubuntu):
status: New → Invalid
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