Messages in this thread | | | Subject | Re: Perf and ftrace [was Re: PyTimechart] | From | Peter Zijlstra <> | Date | Wed, 12 May 2010 21:01:18 +0200 |
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On Wed, 2010-05-12 at 14:51 -0400, Mathieu Desnoyers wrote: > > It makes it hard to use splice() or read() if you don't specify the buffer size > at creation time. That alone seems like a pretty good argument for fixing the > size before the mmap() call.
Our read() doesn't actually provide the same data splice()/mmap() would. But yeah, hence my proposal to create a separate syscall that creates buffer objects.
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