Messages in this thread | | | Date | Sat, 29 Jan 2000 05:42:17 +0100 (CET) | From | Rik van Riel <> | Subject | Re: Auto-Adaptive scheduler - Final chapter ( the numbers ) ... |
| |
On Fri, 28 Jan 2000, Davide Libenzi wrote:
> > Yeah, I'm reading it (barely, I've been deleting most of my email > > because I've been on holidays). The PMC (Performance Monitoring > > Counter) patch I wrote is available at: > > http://www.atnf.csiro.au/~rgooch/linux/ > > What is Your impression of the patch ( if You've seen ) ? It has > also the "side effect" of keeping RT task onto the higher cluster > for a better RT latency.
While your patch might do some nice things to the schedule() code path, we should all remember that the cost of scheduling is NOT in the schedule() code path, but in repopulating the cache (in userspace) after one process switches with another.
I'm writing a patch now to address that issue.
regards,
Rik -- The Internet is not a network of computers. It is a network of people. That is its real strength.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |