Re: [REDO PATCH v7] perf/x86/amd/power: Add AMD accumulated power reporting mechanism

From: Vince Weaver
Date: Thu Jun 16 2016 - 17:16:12 EST


On Thu, 16 Jun 2016, Vince Weaver wrote:

One more followup, if I run the benchmark a bunch of times I get this:

4,472,401.06 mWatts power/power-pkg/
50,886,303.28 mWatts power/power-pkg/
81,737,001.44 mWatts power/power-pkg/
6,525.89 mWatts power/power-pkg/
6,522.04 mWatts power/power-pkg/
6,505.68 mWatts power/power-pkg/
4,938,855.83 mWatts power/power-pkg/
4,614,620.11 mWatts power/power-pkg/
79,679,069.41 mWatts power/power-pkg/
152,794,060.83 mWatts power/power-pkg/
3,942,429.02 mWatts power/power-pkg/
6,506.73 mWatts power/power-pkg/
60,198,884.39 mWatts power/power-pkg/

I'd believe the 6W report as a value for how much the CPU is using. The
others seem spurious. I guess I should go check the Errata for this chip.

Vince