You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-08-30 - 08:22
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 rackdslot4.osadl.org (updated Sat Aug 30, 2025 00:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134791205171,22phc2sys0-21swapper/319:05:553
30712200166,23sleep10-21swapper/119:06:571
31862196164,21sleep20-21swapper/219:08:222
30542194160,22sleep00-21swapper/019:06:470
331528261,11sleep00-21swapper/019:10:000
299262730,4sleep09-21ksoftirqd/020:00:260
360999651,23cyclictest4499-21sed19:10:203
3608996431,7cyclictest33-21ksoftirqd/219:20:002
360999630,23cyclictest25886-21cpu19:55:143
3608996226,4cyclictest33-21ksoftirqd/222:20:002
360999610,22cyclictest23287-21grep22:00:133
360999610,22cyclictest18345-21grep21:50:153
360899615,2cyclictest3080-21latency_hist00:35:002
3608996128,4cyclictest33-21ksoftirqd/220:55:002
3608996031,4cyclictest33-21ksoftirqd/200:00:262
360999590,21cyclictest24504-21cat19:50:203
5482580,5sleep2360899cyclictest21:14:542
134991580,1ptp4l391rcuc/323:40:233
3608995726,4cyclictest33-21ksoftirqd/200:13:352
3608995724,7cyclictest33-21ksoftirqd/222:00:202
3608995623,6cyclictest33-21ksoftirqd/223:40:132
3608995524,7cyclictest33-21ksoftirqd/200:38:402
3608995425,4cyclictest33-21ksoftirqd/223:15:012
3608995424,4cyclictest33-21ksoftirqd/220:30:002
360999530,19cyclictest2419-21ls22:20:253
3608995322,3cyclictest33-21ksoftirqd/223:55:172
3608995226,6cyclictest33-21ksoftirqd/219:40:252
3608995222,3cyclictest33-21ksoftirqd/200:25:292
3608995220,7cyclictest33-21ksoftirqd/220:35:012
3608995218,4cyclictest33-21ksoftirqd/221:45:162
39822510,2sleep30-21swapper/321:20:183
3608995119,9cyclictest33-21ksoftirqd/223:35:232
3608995119,8cyclictest33-21ksoftirqd/222:45:272
3608995119,4cyclictest33-21ksoftirqd/223:50:162
3608995117,4cyclictest33-21ksoftirqd/222:30:202
3608995117,4cyclictest33-21ksoftirqd/222:30:202
3608995116,5cyclictest33-21ksoftirqd/222:25:012
3608995114,9cyclictest33-21ksoftirqd/219:34:592
3608995028,3cyclictest33-21ksoftirqd/219:35:282
3608995022,7cyclictest33-21ksoftirqd/220:10:152
3608995020,6cyclictest33-21ksoftirqd/221:45:002
3608995020,6cyclictest33-21ksoftirqd/221:45:002
3608995019,6cyclictest33-21ksoftirqd/221:55:202
3608995017,4cyclictest33-21ksoftirqd/223:00:162
3608995017,4cyclictest33-21ksoftirqd/223:00:162
3608994931,5cyclictest33-21ksoftirqd/223:00:002
3608994914,13cyclictest33-21ksoftirqd/220:45:272
3607994943,3cyclictest15542-21idleruntime-cro21:45:001
3607994943,3cyclictest15542-21idleruntime-cro21:45:001
134262490,2sleep10-21swapper/120:35:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional