Michael Schnell wrote: > > >But, it turns out to be moot. The kernel hangs when HZ is 1000 > >and resets immediately when HZ is 250 or 300. It could be that > >the system tick timer isn't configurable and is hard-wired to > >generate a 100Hz interrupt. > > > IMHO: if we are to fix any bugs in the system timer functions, we should > consider to enable the "tickless timer". With same the overhead should > be reduced drastically. Of course we need a programmable timer > "hardware" for this, but same might be in place anyway (Altera timer) > or could quite easily be done using VHDL.
Yes, not just reduced overhead, but (depending on what's already working on that platform) high-resolution timers and fairer scheduling in the presense of interrupts, too. -- Jamie _______________________________________________ uClinux-dev mailing list [email protected] http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by [email protected] To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev
