Re: [PATCH v4 3/4] perf/x86: add Intel RAPL PMU support

From: Peter Zijlstra
Date: Thu Oct 31 2013 - 11:14:45 EST

On Thu, Oct 31, 2013 at 03:59:41PM +0100, Stephane Eranian wrote:
> +/*
> + * we compute in 0.23 nJ increments regardless of MSR

We don't in fact use 0.23 nJ, we use 2^-32 J.

> + */
> +EVENT_ATTR_STR(energy-cores.scale, rapl_cores_scale, "2.3e-10");
> +EVENT_ATTR_STR(energy-pkg.scale, rapl_pkg_scale, "2.3e-10");
> +EVENT_ATTR_STR(energy-ram.scale, rapl_ram_scale, "2.3e-10");

Am I weird for proposing we use:


instead? Its not like anybody needs to go type this by hand.
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