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  1. 15 Nov, 2022 3 commits
  2. 14 Nov, 2022 1 commit
  3. 07 Nov, 2022 3 commits
  4. 04 Nov, 2022 1 commit
    • Patrick Bellasi's avatar
      lisa.trace: Fix HRTxtTraceParser regex parsing · f349b33f
      Patrick Bellasi authored and Douglas Raillard's avatar Douglas Raillard committed
      A Systrace generated by the Perfetto's traceconv tool has records with this
          <idle>-0     (-----) [000] .... 608397.919018: sched_wakeup: comm=traced pid=403293 prio=120 target_cpu=000
      which timestamp gets parsed as `7.919018`, i.e. by ignoring all the digits but
      one decimal.
      The regexp also picks up all the spaces before the task name, by ending up with
      duplicated names when the same task name is parsed also (without space) form an
      event field (e.g. a `sched_switch`'s `next_comm`)
      Fix the timestamp parsing by ensuring that, after the `__cpu` filed has been
      parsed, we skip all and only the non digit chars following it.
      Fix the command name parsing by ensuring we discard all the space before the
      name start.
  5. 24 Oct, 2022 4 commits
  6. 14 Oct, 2022 4 commits
  7. 13 Oct, 2022 1 commit
    • Pierre Gondois's avatar
      lisa.tests.scheduler.eas_behaviour: Add big-task-duty-cycle platform parameter · 487e1ac4
      Pierre Gondois authored and Douglas Raillard's avatar Douglas Raillard committed
      On a rb5, the first OPPs of the little CPUs are less energy
      efficient than the first OPPs of the big CPUs:
      little CPUs:
      freq=300000  power=28864  capa=59  power/capa=489.22
      freq=403200  power=38774  capa=79  power/capa=490.81
      freq=480000  power=46183  capa=95  power/capa=486.13
      freq=576000  power=55419  capa=114 power/capa=486.13
      freq=652800  power=62732  capa=129 power/capa=486.29
      freq=748800  power=71968  capa=148 power/capa=486.27
      freq=825600  power=82719  capa=163 power/capa=507.47 <- [3]
      freq=902400  power=94168  capa=178 power/capa=529.03
      freq=979200  power=113400 capa=194 power/capa=584.53
      freq=1056000 power=114700 capa=209 power/capa=548.80
      freq=1132800 power=126190 capa=224 power/capa=563.34
      BIG CPUs:
      freq=825600 power=133030  capa=301 power/capa=441.96
      freq=902400 power=151283  capa=329 power/capa=459.82
      freq=979200 power=168490  capa=357 power/capa=471.96 <- [1]
      freq=1056000 power=188799 capa=385 power/capa=490.38 <- [2]
      freq=1209600 power=224387 capa=441 power/capa=508.81
      freq=1286400 power=244608 capa=469 power/capa=521.55
      freq=1363200 power=275303 capa=497 power/capa=553.92
      freq=1459200 power=305249 capa=533 power/capa=572.69
      freq=1536000 power=340314 capa=561 power/capa=606.62
      freq=1612800 power=381776 capa=589 power/capa=648.17
      When running the TwoBigThreeSmall test, the big task has a
      utilization such as the task cannot fit on the little CPUs.
      util~=290 so that 290 * 1.2 = 348. The capacity of the little CPUs
      is 350. The small task will run at ~50% of the maximum capacity of
      the little CPUs, so util~=174.
      The big CPUs will run at the OPP [1], which is more energy efficient
      than all the little CPUs' OPPs. Now if the big CPU utilization jumps
      to [2], the little CPUs' OPPs below [3] become more energy efficient.
      Thus, it appears that for the rb5, the utilization chosen for the
      big tasks makes the big CPUs either attractive or repulsive for the
      small tasks, and this for a range of 20 util. This makes the
      TwoBigThreeSmall test for rb5 unstable.
      Add a platform specific 'big-task-duty-cycle' parameter to handle
      this specific test case. This parameter allows to choose a higher
      utilization for the big tasks, making the big CPUs less attractive
      for small tasks.
      Suggested-by: Douglas Raillard's avatarDouglas Raillard <>
      Signed-off-by: Pierre Gondois's avatarPierre Gondois <>
  8. 12 Oct, 2022 1 commit
  9. 11 Oct, 2022 5 commits
  10. 04 Oct, 2022 2 commits
  11. 03 Oct, 2022 3 commits
  12. 30 Sep, 2022 12 commits