Cyclictest

Cyclictest is a high-resolution test program for measuring the Linux kernel latencies.

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

Project Site

rt.wiki.kernel.org

Test Created

2 November 2012

Test Maintainer

Michael Larabel 

Test Type

System

Average Install Time

4 Seconds

Average Run Time

8 Minutes, 17 Seconds

Test Dependencies

C/C++ Compiler Toolchain + NUMA

Accolades

100k+ Downloads

Supported Platforms


Public Result Uploads *Reported Installs **Reported Test Completions **Test Profile Page Views ***OpenBenchmarking.orgEventsCyclictest Popularity Statisticspts/cyclictest2012.112013.022013.052013.082013.112014.022014.052014.082014.112015.022015.052015.082015.112016.022016.052016.082016.112017.022017.052017.082017.112018.022018.052018.082018.112019.022019.052019.082019.112020.022020.052020.082020.112021.022021.052021.087K14K21K28K35K
* Uploading of benchmark result data to OpenBenchmarking.org 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 OpenBenchmarking.org 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 current as of 4 August 2021.
POSIX Timer, Interval 10000 ms, 10000 Loops22.7%clock_nanosleep TIME_ABSTIME, Interval 500 ms, 100000 Loops23.3%POSIX Timer, Interval 500 ms, 100000 Loops25.9%clock_nanosleep TIME_ABSTIME, Interval 10000 ms, 10000 Loops28.1%Test Case Option PopularityOpenBenchmarking.org

Revision History

pts/cyclictest-1.0.0   [View Source]   Fri, 02 Nov 2012 17:53:22 GMT
Initial commit of a very basic Cyclictest test profile for measuring Linux kernel latency.


Performance Metrics

Analyze Test Configuration:

Cyclictest 0.84

Test Case: clock_nanosleep TIME_ABSTIME, Interval 10000 ms, 10000 Loops

OpenBenchmarking.org metrics for this test profile configuration based on 431 public results since 18 December 2012 with the latest data as of 16 July 2021.

Additional benchmark metrics will come after OpenBenchmarking.org has collected a sufficient data-set.

OpenBenchmarking.orgDistribution Of Public Results - Test Case: clock_nanosleep TIME_ABSTIME, Interval 10000 ms, 10000 Loops431 Results Range From 1 To 4176 ms Average18516925333742150558967375784192510091093117712611345142915131597168117651849193320172101218522692353243725212605268927732857294130253109319332773361344535293613369737813865394940334117420170140210280350

Based on OpenBenchmarking.org data, the selected test / test configuration (Cyclictest 0.84 - Test Case: clock_nanosleep TIME_ABSTIME, Interval 10000 ms, 10000 Loops) has an average run-time of 2 minutes. By default this test profile is set to run at least 3 times but may increase if the standard deviation exceeds pre-defined defaults or other calculations deem additional runs necessary for greater statistical accuracy of the result.

OpenBenchmarking.orgMinutesTime Required To Complete BenchmarkTest Case: clock_nanosleep TIME_ABSTIME, Interval 10000 ms, 10000 LoopsRun-Time3691215Min: 1 / Avg: 1.19 / Max: 7

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 6.3%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsTest Case: clock_nanosleep TIME_ABSTIME, Interval 10000 ms, 10000 LoopsDeviation612182430Min: 0 / Avg: 6.27 / Max: 24

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