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From: Chen Yu <yu.c.chen@intel.com>
To: linux-pm@vger.kernel.org
Cc: Len Brown <lenb@kernel.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
linux-kernel@vger.kernel.org, Chen Yu <yu.c.chen@intel.com>
Subject: [PATCH 0/3][RFC v2] tools/power turbostat: Enable accumulated energy
consumption for long time sampling
Date: Tue, 14 Apr 2020 20:56:21 +0800
Message-Id: <cover.1586782089.git.yu.c.chen@intel.com>
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|
| Series |
tools/power turbostat: Enable accumulated energy consumption for long time sampling
|
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|
The RAPL Joule Counter is 32 bit, turbostat would only print a *star* instead of printing the actual energy consumed due to the overflow of RAPL register. Introduce the accumulated RAPL mechanism to avoid the possible overflow. Chen Yu (3): tools/power turbostat: Make the energy variable to be 64 bit tools/power turbostat: Introduce functions to accumulate RAPL consumption tools/power turbostat: Enable accumulate RAPL display tools/power/x86/turbostat/Makefile | 2 +- tools/power/x86/turbostat/turbostat.c | 273 ++++++++++++++++++++++---- 2 files changed, 237 insertions(+), 38 deletions(-)