> > Both I think. There are some indications that raising HZ may not work, as it > > may not raise the resolution of the timers in the Linux Kernel - I am > > investigating this! So try keeping HZ stable, and raising the size of your > > bucket. > > would it make any difference if you do... > > -#define PSCHED_CLOCK_SOURCE PSCHED_JIFFIES > +#define PSCHED_CLOCK_SOURCE PSCHED_CPU by the way if you have pentium with tsc the patch above is stronly recommended. It allows for sub nanosecond precision... devik