Serial Loopback Test

This test will do a simple write/read test on all detected serial interfaces. For this test to work, the relevant serial ports should have a serial loopback plug or have otherwise wired the appropriate pins.

To run this test with the Phoronix Test Suite, the basic command is: phoronix-test-suite benchmark serial-loopback.

Test Created

5 October 2015

Last Updated

9 October 2015

Test Maintainer

Michael Larabel 

Test Type



70k+ Downloads

Supported Platforms

Public Result Uploads *Reported Installs **Reported Test Completions **Test Profile Page Views ***OpenBenchmarking.orgEventsSerial Loopback Test Popularity Statisticspts/serial-loopback2015.102016.012016.042016.072016.102017.012017.042017.072017.102018.012018.042018.072018.102019.012019.042019.072019.102020.012020.042020.072020.102021.012021.042021.072021.102022.012022.042022.072022.102023.012023.042023.072023.102024.012024.04400800120016002000
* Uploading of benchmark result data to is always optional (opt-in) via the Phoronix Test Suite for users wishing to share their results publicly.
** Data based on those opting to upload their test results to and users enabling the opt-in anonymous statistics reporting while running benchmarks from an Internet-connected platform.
*** Test profile page view reporting began March 2021.
Data updated weekly as of 12 June 2024.

Revision History

pts/serial-loopback-1.0.2   [View Source]   Fri, 09 Oct 2015 10:43:37 GMT
Fix exit check, ensure bash is used for the script

pts/serial-loopback-1.0.1   [View Source]   Fri, 09 Oct 2015 10:33:09 GMT
Add RequiresRoot, try to better catch errors.

pts/serial-loopback-1.0.0   [View Source]   Mon, 05 Oct 2015 14:17:42 GMT
Initial commit of test profile.

Performance Metrics

This test profile is too new - it does not have enough data available on yet to provide any detailed metrics.