Hi Zhen, The RTS flag -V sets the tick interval (setting to 0 disables). If you grep for `RtsFlags.MiscFlags.tickInterval` you can find where it gets used. Hope this helps.
Ryan On Sat, Jul 4, 2015 at 6:25 AM, Zhen Zhang <[email protected]> wrote: > Hi, > > I am trying to stop the GHC thread scheduler from atomically do > round-robin scheduling. It might be strange that I am asking for that, in > fact, my intention is to implement the “Lightweight Concurrency” on top of > current RTS system. I am trying to use `GHC.Event`’s timeout mechanism to > interfere with the scheduling behavior and it seems working a bit. But the > automatic scheduling at the same time by RTS renders this effort invalid. > > For this part, I have tried to modify `rts/Scheduler.c`, masked some > `startTimer` in `schedule()`, change the `appendToQueue` to `pushOnQueue` > in `scheduleHandleYield` but nothing really works. (The GHC is still doing > RR scheduling, even I changed some key code I thought) > > So I am curious if anyone familiar with the RTS could give me some > suggestions on this problem. > > Thanks a lot! > > Zhen > > > > _______________________________________________ > ghc-devs mailing list > [email protected] > http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs > >
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