Messages in this thread | | | From | "Fernando [Quatro]" <> | Subject | Re: Safety of -j N when building kernels? | Date | Wed, 22 May 2002 14:31:35 -0300 |
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> Ok, stupid question of the moment- > > I always read about the kernel compilation benchmarks people run on the > ultra-snazzy new machines, but do people actually run the kernels thus > generated? > > I have visions of a process being backgrounded to generate some files, and > not completing before the one of the old files gets linked into the kernel > (because not all files were listed as dependencies, for example). > > So are the kernel's current Makefiles really SMP safe -- can one really > run multiple jobs when building Linux kernels? Any horror stories, or am > I just paranoid?
I think it's safe... I ran a `make -j` once (dual pIII 933MHz, 1Gb RAM). The load average went to 200+! In the end, the kernel was fine and booted all right... I don't do that anymore because it takes longer building with a sane number in 'make -j N'...
-------------------------------------------------- Fernando Korndorfer - fernando@quatro.com.br Quatro Informatica Ltda. Novo Hamburgo - RS/Brasil --------------------------------------------------
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