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

9 Minutes, 47 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/cyclictest2012.112013.022013.052013.082013.112014.022014.052014.082014.112015.022015.052015.082015.112016.022016.052016.082016.112017.022017.052017.082017.112018.022018.052018.082018.112019.022019.052019.082019.112020.022020.052020.082020.112021.022021.052021.082021.116K12K18K24K30K
* 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 2 December 2021.
POSIX Timer, Interval 10000 ms, 10000 Loops23.7%clock_nanosleep TIME_ABSTIME, Interval 500 ms, 100000 Loops23.9%POSIX Timer, Interval 500 ms, 100000 Loops24.7%clock_nanosleep TIME_ABSTIME, Interval 10000 ms, 10000 Loops27.7%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 1,281 public results since 18 December 2012 with the latest data as of 8 October 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 Loops1273 Results Range From 1 To 4176 ms Average1851692533374215055896737578419251009109311771261134514291513159716811765184919332017210121852269235324372521260526892773285729413025310931933277336134453529361336973781386539494033411742012004006008001000

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-Time246810Min: 1 / Avg: 1.07 / Max: 5

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 6.9%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsTest Case: clock_nanosleep TIME_ABSTIME, Interval 10000 ms, 10000 LoopsDeviation612182430Min: 0 / Avg: 6.91 / Max: 24

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