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  1. MariaDB Server
  2. MDEV-9120

Clock timer for ARM 32 and ARM 64 bit

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    • Task
    • Status: Open (View Workflow)
    • Minor
    • Resolution: Unresolved
    • None
    • None

    Description

      1. There is no implementation of a clock timer on ARM 32 and ARM 64 machines.
      Aleksey Kopytov proposed a patch for ARM 64:
      https://bugs.mysql.com/bug.php?id=77620 (which is already in MySQL sources),
      as well as gave a link to the implementation in Linux kernel:
      http://lxr.free-electrons.com/ident?v=3.10;i=arch_counter_get_cntvct
      (we can search for a version for ARM 32 and other missing platforms).

      2. In case when during initialization on timers at mysqld startup the resolution of a cycler time appears to be worse than a nanosecond, mysqld should probably switch the "wait" events to use the nanosecond timer by default.

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            Unassigned Unassigned
            bar Alexander Barkov
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              Updated:

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