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[Po-Hsu Lin <2095288@xxxxxxxxxxxxxxxxxx>]

With O-realtime, test on node helo took 35m29s.

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https://bugs.launchpad.net/bugs/2095288

Title:
  ubuntu_kselftests_ftrace/test.d/ftrace/fgraph-multi.tc timeout on
  Oracular

Status in ubuntu-kernel-tests:
  In Progress

Bug description:
  This is a new test case in Oracular.

  ftrace:test.d--ftrace--fgraph-multi.tc timeout with the 10 minutes
  threshold on Oracular.

  This issue can be found since 6.11.0-11.11, with specific hardware:
    * cortez
    * helo
    * riccioli
    * wright
    * recht (TF)

  A manual test on riccioli shows it will take about 15 minutes to run:
  $ time sudo ./ftracetest -v test.d/ftrace/fgraph-multi.tc
  === Ftrace unit tests ===
  [1] ftrace - function graph filters	[PASS]

  # of passed:  1
  # of failed:  0
  # of unresolved:  0
  # of untested:  0
  # of unsupported:  0
  # of xfailed:  0
  # of undefined(test bug):  0

  real	14m32.038s
  user	0m0.000s
  sys	0m0.012s
  $ uname -a
  Linux riccioli 6.11.0-13-generic #14-Ubuntu SMP PREEMPT_DYNAMIC Sat Nov 30 23:51:51 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux

  This timeout on ARM64 instance will prevent other tests to finish properly (timeout):
  * test.d--ftrace--func_traceonoff_triggers.tc
  * test.d--selftest--bashisms.tc
  And eventually leads to a job timeout, causing the job raising a sut-test failure.

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