Messages in this thread | | | Date | Sat, 18 Jan 2003 13:47:01 -0800 | From | Andrew Morton <> | Subject | Re: [BENCHMARK] 2.5.59{-mm2} with contest |
| |
Con Kolivas <conman@kolivas.net> wrote: > > io_load: > Kernel [runs] Time CPU% Loads LCPU% Ratio > 2.5.58 3 136 58.8 6 12.4 1.84 > 2.5.58-mm1 3 138 55.8 7 13.0 1.86 > 2.5.59 4 113 68.1 4 9.7 1.53 > 2.5.59-mm2 3 563 12.8 38 17.4 7.61
I don't see such gross variations here, and there's nothing between -mm1 and -mm2 which could cause this. (BTW: what idiot broke diffstat as distributed in rh8.0? It fails to understand interdiff output, which is quite legitimately formatted).
However there are some interesting snippets. Elapsed time for io_load:
2.5.59: 182,183,180 2.5.59 + deadline-np-42: 198,114,106,112,183,140 2.5.59 + deadline-np-42 + deadline-np-43: 224,224 2.5.59-mm2: 212,239
So it looks like deadline-np-42.patch lessens starvation of reads by writes, and deadline-np-43.patch considerably worsens it.
But this is all just fiddling around. Nick is working on an implementation of anticipatory scheduling, which is a whole new ball game. The pressure is on ;)
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |