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[David Long <843628@xxxxxxxxxxxxxxxxxx>]

The plan is to revert the revert that broke this very shortly. That
change will require soak time in case the boot failure problem that
caused the revert in the first place resurfaces.  Therefore we are
targeting December for release of this change.


** Changed in: linaro-landing-team-ti
     Assignee: (unassigned) => David Long (dave-long)

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https://bugs.launchpad.net/bugs/843628

Title:
  perf failure on panda (omap4)

Status in Linaro Texas Instruments Landing Team:
  New
Status in Linaro Ubuntu Evaluation Builds:
  Confirmed
Status in Linaro Linux:
  New
Status in “linux-linaro-omap” package in Ubuntu:
  Confirmed

Bug description:
  Though perf lists the PMU events but fails to gather performance
  counter statistics on panda

  # perf list

  List of pre-defined events (to be used in -e):

    cpu-cycles OR cycles                       [Hardware event]
    instructions                               [Hardware event]
    cache-references                           [Hardware event]
    cache-misses                               [Hardware event]
    branch-instructions OR branches            [Hardware event]
    branch-misses                              [Hardware event]
    bus-cycles                                 [Hardware event]

    cpu-clock                                  [Software event]
    task-clock                                 [Software event]
    page-faults OR faults                      [Software event]
  [...]

  # perf stat sleep 1
    Error: cache-misses event is not supported. 
    Fatal: Not all events could be opened.

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