Re: [RFC PATCH] drivers/char/random.c: Is reducing locking range like this safe?

From: George Spelvin
Date: Sun Jun 08 2014 - 22:18:31 EST


> Summarizing that, time to feed in 32 MiB of zeros (from user-space):
>
> 0 concurrent reads: 0.356898 0.357693
> 1 concurrent read: 0.505941 0.509075 (+42%)
> 2 concurrent reads: 0.662240 0.657055 (+84%)

Er, wait a minute... I'm not sure which kernel (patched or unpatched)
I did that measurement on.

That may be a completely useless number. I need to compile some more
kernels and reboot a few more times. Sorry about that.
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