[PATCH 1/5] benchtests: Add malloc microbenchmark

[Siddhesh Poyarekar]

On Fri, Oct 17, 2014 at 04:31:18PM +0100, Will Newton wrote:
> Add a microbenchmark for measuring malloc and free performance with
> varying numbers of threads. The benchmark allocates and frees buffers
> of random sizes in a random order and measures the overall execution
> time and RSS. Variants of the benchmark are run with 1, 8, 16 and
> 32 threads.
> 
> The random block sizes used follow an inverse square distribution
> which is intended to mimic the behaviour of real applications which
> tend to allocate many more small blocks than large ones.
> 
> ChangeLog:
> 
> 2014-06-19  Will Newton  <will.newton@linaro.org>
> 
> 	* benchtests/Makefile: (bench-malloc): Add malloc thread
> 	scalability benchmark.
> 	* benchtests/bench-malloc-threads.c: New file.

Looks good to me.  Please commit this first even if you have any
changes in mind for it; it's easier to review it in smaller
increments.

Siddhesh
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