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Messages in this thread |
Petko Manolov writes: > Linus Torvalds wrote: > > > > PS. Here's the patch to make 2.1.122 perform as it should wrt scheduling, > > and not save the FP register state all the time. Embarrassing. > > OK, i've applied your patch and got strange results: > first time i run Richards prog i got 4us. All next > values were 6us. I reboot the machine and the result > was the same! > I'm afraid i don't understand what exactly the patch > does. At first glance only the sequence of lines is > changed - so what? Or there is some relatione between > "fnsave" and setting task switch bit? Actually, after some further testing, I get the same result! The first time it's faster, then subsequent runs are slower (when using RT processes). For non-RT processes, the times are stable. Strange. Regards, Richard.... - 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/ | ||||||||||
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