Bug 6120 - perf top command does not work on QemuPPC
Summary: perf top command does not work on QemuPPC
Status: RESOLVED NOTABUG
Alias: None
Product: General Runtime
Classification: Runtime
Component: General Runtime (show other bugs)
Version: 1.6
Hardware: x86 ppc
: Medium normal
Target Milestone: 2.2 M3
Assignee: dengke
QA Contact:
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Depends on:
Blocks:
 
Reported: 2014-04-04 13:00 UTC by Catalin Scrieciu
Modified: 2016-08-01 09:00 UTC (History)
4 users (show)

See Also:
OS type for building Yocto: ---
Type of Regression: ---
Verified:
Documentation change: Don't know

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Description Catalin Scrieciu 2014-04-04 13:00:32 UTC 
While running the tools on target tests we discovered an issue when executing the "perf top" command"


root@qemuppc:~#perf top

Failed to open /tmp/perf-485.map, continuing without symbols

After the message above is displayed no prompt is returned and the target freezes.
Comment 1 Alexandra Safta 2014-04-08 07:13:29 UTC 
Test object: 1.6_M5_RC2:3e528d3e4bc542ca2f654c54363c56af0fb9f61b
Test target: qemuPPC
Test host: Ubuntu 12.04
Comment 2 Darren Hart 2014-04-10 14:43:53 UTC 
Does this only fail on PPC?
Comment 3 Alexandra Safta 2014-04-10 14:51:12 UTC 
Yes, this worked fine on QemuARM.
Comment 4 Darren Hart 2014-04-10 14:52:31 UTC 
This does work on x86 for me, this appears to be ppc specific. Enea, can you dig into this some more?
Comment 5 Chunrong Guo 2014-05-13 03:06:57 UTC 
"perf top" command work well on p1022ds.
I think this is about qemppc kernel issue.
Comment 6 Catalin Scrieciu 2014-06-10 09:25:17 UTC 
We at Enea have encountered the same issue in our Yocto based distribution also and this will be investigated in the near future. The investigation of this bug will be included in one of the next sprints. We will get back with information regarding this.
Comment 7 Stephen K Jolley 2014-06-18 17:41:02 UTC 
Assigned to person we are requesting info from per RP.
Comment 8 Richard Purdie 2014-07-24 15:03:39 UTC 
Bug will be worked on Status -> Accepted
Comment 9 dengke 2016-08-01 01:37:53 UTC 
This works on my build.

../conf/local.conf:
......
IMAGE_INSTALL_append = " perf perf-doc"
Comment 10 dengke 2016-08-01 09:00:28 UTC 
Now, this wroks for my build.

//dengke