You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-04-20 - 12:52
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 50 highest latencies:
System rackcslot6.osadl.org (updated Sat Apr 20, 2024 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38172782132114,3sleep40-21swapper/419:05:004
38757972930,0sleep763-21ksoftirqd/720:45:017
3820454998816,38cyclictest0-21swapper/400:03:164
3820476998717,39cyclictest0-21swapper/721:23:167
382010428553,25sleep70-21swapper/719:08:087
3820476998316,36cyclictest0-21swapper/723:28:167
382014328359,12sleep60-21swapper/619:08:396
3820454998114,36cyclictest0-21swapper/421:33:174
3820454998015,36cyclictest0-21swapper/422:28:174
39570762790,0sleep50-21swapper/522:05:015
382045499798,42cyclictest42-21ksoftirqd/419:28:174
382005927861,12sleep00-21swapper/019:07:290
382004327861,12sleep20-21swapper/219:07:162
41263042770,0sleep30-21swapper/300:24:273
39445192770,1sleep442-21ksoftirqd/421:54:344
381999827760,11sleep50-21swapper/519:06:385
381991927760,12sleep30-21swapper/319:05:313
381929227656,17sleep10-21swapper/119:05:211
40519422740,1sleep442-21ksoftirqd/423:21:404
38926922740,0sleep70-21swapper/721:10:247
38655902730,0sleep10-21swapper/120:25:151
40128702720,0sleep60-21swapper/622:50:106
3820429997115,35cyclictest0-21swapper/119:38:161
3820429997115,34cyclictest0-21swapper/120:33:171
39752822680,0sleep70-21swapper/722:20:007
39752822680,0sleep70-21swapper/722:19:597
39204492670,0sleep20-21swapper/221:34:542
3820429996716,39cyclictest0-21swapper/100:13:161
382046199576,22cyclictest0-21swapper/500:23:165
3820461993715,22cyclictest0-21swapper/521:08:175
3820461993629,7cyclictest0-21swapper/523:48:165
3820461993615,21cyclictest0-21swapper/520:23:175
3820461993417,17cyclictest0-21swapper/500:38:175
3820461993414,20cyclictest0-21swapper/521:43:175
3820461993314,19cyclictest0-21swapper/521:58:175
41424702320,0sleep442-21ksoftirqd/400:36:464
3820448993231,1cyclictest0-21swapper/322:18:173
3820448993231,1cyclictest0-21swapper/322:18:163
3820454993015,15cyclictest0-21swapper/420:18:174
3820429993014,15cyclictest0-21swapper/119:18:171
3820461992913,15cyclictest0-21swapper/522:58:175
3820448992915,14cyclictest0-21swapper/300:28:163
3820448992915,14cyclictest0-21swapper/300:18:173
41205922280,1sleep2271rcuc/200:19:542
40232522280,0sleep00-21swapper/022:59:020
3820448992814,14cyclictest0-21swapper/321:28:163
3820429992812,15cyclictest0-21swapper/121:18:161
3820421992812,15cyclictest0-21swapper/020:58:160
40238492270,1sleep228-21ksoftirqd/222:59:532
3820461992711,15cyclictest0-21swapper/519:58:175
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional