Changes between Initial Version and Version 1 of Ticket #427


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Timestamp:
2013-05-24T22:33:21Z (11 years ago)
Author:
Martin Decky
Comment:

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  • Ticket #427

    • Property Summary Tickless kernel → Tickless/event-driven kernel

  • Ticket #427 – Description

    initial v1  
    22
    33The benefits are lower overhead, better power-saving possibilities (even without any specific power management features) and a more natural design of the timers without a fixed timer period. The most significant drawback is naturally more complex timer bookkeeping, but as empirical evidence shows it is manageable.
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     5**Clarification:** The term "tickless" is usually understood as a means to avoid periodic timer interrupts in idle states. However, an "event-driven" kernel design can actually go even further and avoid all periodic timer interrupts. See the following references in the context of Linux:
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     7* http://linuxplumbersconf.org/ocw/proposals/103
     8* http://events.linuxfoundation.org/sites/events/files/eeus13_mckenney.pdf