Bug 911626 - powertop --auto-tune warns "unknown op '{'"
Summary: powertop --auto-tune warns "unknown op '{'"
Status: VERIFIED FIXED
Alias: None
Product: openSUSE Tumbleweed
Classification: openSUSE
Component: Basesystem (show other bugs)
Version: 201412*
Hardware: x86-64 Other
: P5 - None : Normal (vote)
Target Milestone: ---
Assignee: Marcus Meissner
QA Contact: E-mail List
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Reported: 2015-01-05 06:00 UTC by Gerald Pfeifer
Modified: 2020-05-18 14:33 UTC (History)
3 users (show)

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Description Gerald Pfeifer 2015-01-05 06:00:40 UTC 
On current Factory, powertop --auto-tune issues a warning:

powertop --auto-tune
Loaded 7 prior measurements
RAPL device for cpu 0
RAPL device for cpu 0
RAPL device for cpu 0
Devfreq not enabled
  unknown op '{'   <=================================



This is with powertop-2.7-1.1.x86_64 and kernel-default-3.17.4-1.2.x86_64.
Comment 1 Shao Yong Wang 2015-01-05 09:40:31 UTC 
This issue can also be reproduced by installing powertop-2.7-1.1.x86_64.rpm manually in openSUSE13.2.


Hi Marcus,

Seems the bugowner "thoenig@suse.com" who is not available anymore, would you please take a look at this issue? Or reassign it to the right person,Thanks!
Comment 2 Takashi Iwai 2015-04-28 14:26:55 UTC 
This is a known bug of powertop itself, see the kown bug section:
   https://01.org/powertop/downloads/powertop-v2.7-0

"Know Bugs:

We plan to fix these bugs in future releases.  

* Problem with traceevent lib it prints string: unknown op '{'.  This bug doesn’t impact the correct functionality of PowerTOP."
Comment 3 Dominique Leuenberger 2020-05-18 12:41:40 UTC 
(In reply to Takashi Iwai from comment #2)
> This is a known bug of powertop itself, see the kown bug section:
>    https://01.org/powertop/downloads/powertop-v2.7-0
> 
> "Know Bugs:
> 
> We plan to fix these bugs in future releases.  
> 
> * Problem with traceevent lib it prints string: unknown op '{'.  This bug
> doesn’t impact the correct functionality of PowerTOP."

As far as I can find, this was fixed in powertop version 2.8 - released back in Nov 2015
Comment 4 Gerald Pfeifer 2020-05-18 14:33:39 UTC 
Verified with powertop-2.12-1.1.x86_64 on current Tumbleweed.