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==Introduction==
This Technical Note shows how to run Phoronix Test Suite on the [[MISC-TN-004:_Running_Debian_(armbian)_on_SBCSPG#The_hardware_platform|SBCSBP gateway]]. For the sake of simplicity, the [[MISC-TN-004:_Running_Debian_(armbian)_on_SBCSPG|Debian Stretch distribution]] was used.
This test suite is convenient to estimate the performance of a target platform or to compare different platforms. The suite is extremely modular and tons of tests are available.
==Setting up the target==
The test suite is released as a architecture-independent package. As such, the installation is straightforward once the required PHP packages are installed onto the target.
The installation package is available [https://www.phoronix-test-suite.com/?k=downloads here].
==Results==
For the sake of simplicity, the <code>smallpt</code> suite was used to compare the results depending on the selected governor.
===Governor: <code>interactive</code>===
<pre class="board-terminal">
armbian@sbcspg:~$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
conservative ondemand userspace powersave interactive performance
interactive
armbian@sbcspg:~$ phoronix-test-suite benchmark smallpt
Would you like to upload the results to OpenBenchmarking.org (y/n): n
</pre>
===Governor: <code>performance</code>===
<pre class="board-terminal">
...
Do you want to view the text results of the testing (Y/n):
benchmark-smallp-governor-performance
Seconds < Lower Is Better
20230113-benchmark-smallp-governor-performance . 4073.91
</pre>
===Governor: <code>userspace</code>===
<pre class="board-terminal">
armbian@sbcspg:~$ phoronix-test-suite benchmark smallpt
Evaluating External Test Dependencies .........................................................................................
Phoronix Test Suite v10.8.4
Installed: pts/smallpt-1.2.1
System Information
PROCESSOR: ARMv7 Cortex-A7 @ 0.53GHz
Core Count: 1
Scaling Driver: imx6q-cpufreq userspace
GRAPHICS:
MOTHERBOARD: Freescale i.MX6 Ultralite
MEMORY: 494MB
DISK: 8GB SA08G
File-System: ext4
Mount Options: data=ordered relatime rw
Disk Details: Block Size: 4096
OPERATING SYSTEM: Debian 9.9
Kernel: 4.1.15-rialto-1.1.3 (armv7l)
Compiler: GCC 6.3.0 20170516
Would you like to save these test results (Y/n):
Recently Saved Test Results:
benchmark-smallp-governor-performance [Today]
benchmark-smallp [Today]
Enter a name for the result file: benchmark-smallp-governor-userspace-528MHz
Enter a unique name to describe this test run / configuration: 20230113-benchmark-smallp-governor-userspace-528MHz
If desired, enter a new description below to better describe this result set / system configuration under test.
Press ENTER to proceed without changes.
Current Description: ARMv7 Cortex-A7 testing on Debian 9.9 via the Phoronix Test Suite.
New Description:
[Performance Tip] The CPU scaling governor is currently not set to performance. It's possible to obtain greater performance
if using the performance governor.
To change behavior, run:
echo performance | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
Reference: https://openbenchmarking.org/result/1706268-TR-CPUGOVERN32
To stop showing performance tips, run: phoronix-test-suite unload-module perf_tips
Continuing in 5 seconds or press CTRL-C to stop the testing process.
Smallpt 1.0:
pts/smallpt-1.2.1
Test 1 of 1
Estimated Trial Run Count: 3
Estimated Time To Completion: 3 Hours, 23 Minutes [18:30 CET]
Started Run 1 @ 15:08:20
Started Run 2 @ 16:15:33
Started Run 3 @ 17:22:37
Global Illumination Renderer; 128 Samples:
4028.008
4020.172
4019.183
Average: 4022.454 Seconds
Deviation: 0.12%
Do you want to view the text results of the testing (Y/n):
benchmark-smallp-governor-userspace-528MHz
ARMv7 Cortex-A7 testing on Debian 9.9 via the Phoronix Test Suite.
20230113-benchmark-smallp-governor-userspace-528MHz:
Processor: ARMv7 Cortex-A7 @ 0.53GHz (1 Core), Motherboard: Freescale i.MX6 Ultralite (Device Tree) UltraLite CB0046 SBCSPG rev.A, Memory: 494MB, Disk: 8GB SA08G
OS: Debian 9.9, Kernel: 4.1.15-rialto-1.1.3 (armv7l), Compiler: GCC 6.3.0 20170516, File-System: ext4
Smallpt 1.0
Global Illumination Renderer; 128 Samples
Seconds < Lower Is Better
20230113-benchmark-smallp-governor-userspace-528MHz . 4022.45 |====================================================================
Would you like to upload the results to OpenBenchmarking.org (y/n): n
</pre>
===Conclusion===
As detailed in the following table, the type of governor has basically no influence on the result.
{| class="wikitable"
|+
!Governor
!Result
|-
|interactive (default)
|4027.15
|-
|performance
|4073.91
|-
|userspace (528 MHz)
|4022.45
|}