Mark Lord wrote: > Al Boldi wrote: > >.. > > Mike, I'm not saying RSDL is perfect, but v0.31 is by far better than > > mainline. Try this easy test: > > > > startx with the vesa driver > > run reflect from the mesa5.0-demos > > load 5 cpu-hogs > > start moving the mouse > > > > On my desktop, mainline completely breaks down, and no nicing may > > rescue. > > > > On RSDL, even without nicing, the desktop is at least useable. > > I use a simpler, far more common (for lkml participants) workload: > > Dell notebook, single P-M-2GHz, ATI X300, open source X.org: > (1) build a kernel in one window with "make -j$((NUMBER_OF_CPUS + 1))". > (2) try to read email and/or surf in Firefox/Thunderbird. > > Stock scheduler wins easily, no contest.
Try this on RSDL: --- sched.bak.c 2007-03-16 23:07:23.000000000 +0300 +++ sched.c 2007-03-19 23:49:40.000000000 +0300 @@ -938,7 +938,11 @@ static void activate_task(struct task_st (now - p->timestamp) >> 20); } - p->quota = rr_quota(p); + /* + * boost factor hardcoded to 5; adjust to your liking + * higher means more likely to DoS + */ + p->quota = rr_quota(p) + (((now - p->timestamp) >> 20) * 5); p->prio = effective_prio(p); p->timestamp = now; __activate_task(p, rq); Thanks! -- Al - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/