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[Anmar Oueja <anmar.oueja@xxxxxxxxxx>]

** Changed in: linaro-landing-team-ti
       Status: New => In Progress

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

Title:
  perf failure on panda (omap4)

Status in Linaro Texas Instruments Landing Team:
  In Progress
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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