Messages in this thread | | | From | (Alan Cox) | Subject | Re: Differences between FreeBSD and Linux system call mechanism | Date | Fri, 4 Sep 1998 01:18:19 +0100 (BST) |
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> > lmbench gives very precise accurate performance figures for the things > > it benches - in this case things like null syscall and the affects of > > the kernel cache footprint. > > > > When you are discussing syscall timing its syscall timing microbenchmark > > is not suprisingly very accurate > > What's a null system call; one that returns ENOSYS?
Most folk use getppid() which isnt quite a null syscall but does mean it wont have had the return magically cached.
Alan
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