From 95471194b8a58d9a9f0ea25160fa16f2b6b646aa Mon Sep 17 00:00:00 2001 From: "semenzato@chromium.org" Date: Thu, 23 May 2013 12:57:09 +0000 Subject: Add CPU thermal throttling histogram for Chrome OS. BUG=chromium:238890 TEST=none Review URL: https://chromiumcodereview.appspot.com/15587004 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@201770 0039d316-1c4b-4281-b951-d872f2087c98 --- tools/metrics/histograms/histograms.xml | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml index da58e4d..2b13bf5 100644 --- a/tools/metrics/histograms/histograms.xml +++ b/tools/metrics/histograms/histograms.xml @@ -5824,6 +5824,16 @@ other types of suffix sets. + + + CPU frequency as percent of the baseline frequency, sampled every 30s. This + may be throttled down from 100% due to power dissipation issues (too high + temperature). It may also be throttled up (turbo), but the kernel does not + report the actual turbo frequency, so we put such samples in the 101% + bucket. + + + Peak total (single core) CPU usage for the last sample interval. The sample -- cgit v1.1