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about system tick

Hi,guys
I read about some kernels,which implement the system tick in an array
that records ticks of every task,and then when timer interrupt occurs,
decrements the ticks,when each reaches 0,put the task related into the ready list! I think this method is easy,but it's not effective!what other methods exist?!!!!!!

Comments

  • allskylineallskyline Posts: 6Member
    hi,
    I have a different view, I think this method is very good and very convenience, and I can't understand what is your mean of "not effective", which aspect are you refer to?
    In addition, when a timer interrupt occurs, not all of the tasks decrements their ticks, only when a task is waiting, it need to do.

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    [link=http://www.coocox.org]www.coocox.org[/link], a free and open RTOS
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