[RESEND PATCH V2 2/2] Documentation: amd-pstate: Add speedometer test introduction

Meng Li
2022-11-07T01:12:04Z

Introduce speedometer test cases design and implementation.
Monitor cpus changes about performance and power consumption etc.

Signed-off-by: Meng Li <li.meng@amd.com>
---
Documentation/admin-guide/pm/amd-pstate.rst | 75 ++++++++++++++++++++-
1 file changed, 74 insertions(+), 1 deletion(-)

diff --git a/Documentation/admin-guide/pm/amd-pstate.rst b/Documentation/admin-guide/pm/amd-pstate.rst
index 29c50e96eb95..0163d1231aa7 100644
--- a/Documentation/admin-guide/pm/amd-pstate.rst
+++ b/Documentation/admin-guide/pm/amd-pstate.rst
@@ -451,6 +451,23 @@ Unit Tests for amd-pstate
The specified governor is ondemand or schedutil.
Gitsource can also be tested on the ``acpi-cpufreq`` kernel driver for comparison.

+ 4). Speedometer test
+
+ Test and monitor the cpu changes when running speedometer benchmark under the specified governor.
+ These changes include desire performance, frequency, load, time, energy etc.
+ The specified governor is ondemand or schedutil.
+ Speedometer can also be tested on the ``acpi-cpufreq`` kernel driver for comparison.
+
+#. Preparations before tests
+
+ 1). Speedometer
+
+ + Python version 3.0.x or higher
+ + Install chromium-browser
+ + Install chromium-chromedriver
+ + Install selenium on the client
+ + Install selenium-server on the server
+
#. How to execute the tests

We use test module in the kselftest frameworks to implement it.
@@ -487,6 +504,8 @@ Unit Tests for amd-pstate
$ sudo ./run.sh -t tbench -m acpi-cpufreq
$ sudo ./run.sh -t gitsource
$ sudo ./run.sh -t gitsource -m acpi-cpufreq
+ $ sudo ./run.sh -t speedometer
+ $ sudo ./run.sh -t speedometer -m acpi-cpufreq
$ ./run.sh --help
./run.sh: illegal option -- -
Usage: ./run.sh [OPTION...]
@@ -495,7 +514,8 @@ Unit Tests for amd-pstate
[-c <all: All testing,
basic: Basic testing,
tbench: Tbench testing,
- gitsource: Gitsource testing.>]
+ gitsource: Gitsource testing,
+ speedometer: Speedometer testing.>]
[-t <tbench time limit>]
[-p <tbench process number>]
[-l <loop times for tbench>]
@@ -621,6 +641,59 @@ Unit Tests for amd-pstate
+ acpi-cpufreq-schedutil VS amd-pstate-schedutil | Comprison(%) | | | | 2.1115 | 4.2873 | -4.1110 |
+-------------------------------------------------+--------------+----------+----------+----------+-------------+---------+----------------------+

+ + speedometer
+
+ When you finish test, you will get selftest.speedometer.csv and png images.
+ The selftest.speedometer.csv file contains the raw data and the drop of the comparative test.
+ The png images shows the goal, time, energy and performan per watt of each test.
+ Open selftest.speedometer.csv :
+
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + Governor | Round | Des-perf | Freq | Load | Goal | Time | Energy | Performance Per Watt |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + Unit | | | GHz | | Runs/Minute | s | J | Runs/w |
+ +=================================================+==============+==========+==========+==========+=============+=============+=========+======================+
+ + acpi-cpufreq-ondemand | 1 | | | | 209 | 51 | 731.84 | 0.2427 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + acpi-cpufreq-ondemand | 2 | | | | 205 | 51 | 759.03 | 0.2295 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + acpi-cpufreq-ondemand | 3 | | | | 206 | 51 | 755.15 | 0.2318 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + acpi-cpufreq-ondemand | Average | | | | 206.667 | 51 | 748.673 | 0.2346 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + acpi-cpufreq-schedutil | 1 | | | | 206 | 56 | 775.08 | 0.248 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + acpi-cpufreq-schedutil | 2 | | | | 204 | 51 | 762.06 | 0.2275 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + acpi-cpufreq-schedutil | 3 | | | | 207 | 56 | 776.35 | 0.2488 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + acpi-cpufreq-schedutil | Average | | | | 205.667 | 54.3333 | 771.163 | 0.2415 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + amd-pstate-ondemand | 1 | 24.7974 | 1.73142 | 7.71728 | 195 | 64 | 756.6 | 0.2749 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + amd-pstate-ondemand | 2 | 26.1653 | 1.91492 | 8.5525 | 195 | 51 | 705.67 | 0.2348 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + amd-pstate-ondemand | 3 | 24.1789 | 1.69516 | 7.41152 | 196 | 65 | 758.98 | 0.2797 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + amd-pstate-ondemand | Average | 25.0472 | 1.7805 | 7.89377 | 195.333 | 60 | 740.417 | 0.2638 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + amd-pstate-schedutil | 1 | 67.0214 | 2.76691 | 17.1314 | 197 | 51 | 737.52 | 0.227 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + amd-pstate-schedutil | 2 | 64.3032 | 2.75981 | 16.1196 | 198 | 55 | 763.57 | 0.2376 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + amd-pstate-schedutil | 3 | 65.5175 | 2.59423 | 17.0067 | 201 | 51 | 735.96 | 0.2321 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + amd-pstate-schedutil | Average | 65.614 | 2.70698 | 16.7526 | 198.667 | 52.3333 | 745.683 | 0.2323 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + acpi-cpufreq-ondemand VS acpi-cpufreq-schedutil | Comprison(%) | | | | -0.4838 | 6.5358 | 3.0039 | 2.9411 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + amd-pstate-ondemand VS amd-pstate-schedutil | Comprison(%) | 161.9614 | 52.0348 | 112.2255 | 1.7068 | -12.7778 | 0.7112 | -11.9408 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + acpi-cpufreq-ondemand VS amd-pstate-ondemand | Comprison(%) | | | | -5.4841 | 17.647 | -1.1027 | 12.4467 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+ + acpi-cpufreq-schedutil VS amd-pstate-schedutil | Comprison(%) | | | | -3.4035 | -3.6809 | -3.3041 | -3.8095 |
+ +-------------------------------------------------+--------------+----------+----------+----------+-------------+-------------+---------+----------------------+
+
Reference
===========

--
2.34.1