Messages in this thread | | | Date | Wed, 12 Oct 2011 09:06:01 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH 07/12] perf_events: add LBR software filter support for Intel X86 |
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* Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> wrote:
> (2011/10/10 23:45), Andi Kleen wrote: > >> Ah, nice. Maybe we need another test binary, since current one is > >> just ensuring the output of objdump and decoder is same. > >> anyway it's not so difficult if it feeds random binaries to > >> ensure the decoder doesn't access bad address. > > > > Pure /dev/urandom is not good because it cannot be ever reproduced. > > Better use a PRNG with random seed from urandom, but print the seed. > > Sure,
Obviously the urandom data should be kbuild generated and only cleared on 'make clean' - not regenerated on every run. So if there's a failure the failing urandom data stays around readily.
Thanks,
Ingo
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