You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-04 - 03:50
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 rackdslot1.osadl.org (updated Sat Jul 04, 2026 00:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1541022460,6sleep10-21swapper/119:05:181
1541022460,6sleep10-21swapper/119:05:181
3076121620,6sleep01712299cyclictest00:15:180
1981921440,6sleep31712599cyclictest19:15:153
241542650,4sleep20-21swapper/222:50:242
17122996328,6cyclictest9-21ksoftirqd/023:50:180
17122996233,4cyclictest9-21ksoftirqd/023:25:120
17122996229,6cyclictest9-21ksoftirqd/019:20:000
17122996131,5cyclictest9-21ksoftirqd/022:25:150
17122996129,4cyclictest9-21ksoftirqd/023:15:280
134491610,4ptp4l0-21swapper/220:49:442
17122996034,3cyclictest9-21ksoftirqd/000:13:120
17122996030,7cyclictest9-21ksoftirqd/021:05:280
17122996026,4cyclictest9-21ksoftirqd/022:56:410
103142600,4sleep210317-21sendmail_mailqu23:30:242
17122995932,4cyclictest9-21ksoftirqd/020:15:490
17122995929,5cyclictest9-21ksoftirqd/023:40:320
134491590,6ptp4l25-21ksoftirqd/123:48:391
17122995830,6cyclictest9-21ksoftirqd/021:22:570
17122995829,3cyclictest9-21ksoftirqd/020:00:000
17122995818,11cyclictest9-21ksoftirqd/020:30:120
134491580,4ptp4l0-21swapper/120:05:211
134491580,4ptp4l0-21swapper/119:31:281
134491580,3ptp4l25413-21ls20:35:213
1712399577,48cyclictest3926-21kworker/1:023:50:491
17122995730,4cyclictest9-21ksoftirqd/019:12:390
17122995729,4cyclictest9-21ksoftirqd/019:40:510
17122995726,4cyclictest9-21ksoftirqd/021:50:230
17122995726,4cyclictest9-21ksoftirqd/021:50:220
17122995725,7cyclictest9-21ksoftirqd/021:55:190
134491570,3ptp4l0-21swapper/123:40:261
1712399561,53cyclictest14091-21kworker/1:020:47:491
17122995629,3cyclictest9-21ksoftirqd/019:37:340
17122995624,9cyclictest9-21ksoftirqd/023:08:090
17122995621,6cyclictest9-21ksoftirqd/021:00:180
17122995619,4cyclictest9-21ksoftirqd/020:35:260
134491560,3ptp4l0-21swapper/119:50:241
134491560,3ptp4l0-21swapper/119:50:241
17124995519,6cyclictest33-21ksoftirqd/221:00:102
17122995529,6cyclictest9-21ksoftirqd/019:47:490
17122995527,6cyclictest9-21ksoftirqd/019:20:250
17122995526,8cyclictest9-21ksoftirqd/022:36:470
17124995420,6cyclictest33-21ksoftirqd/223:35:212
1712299547,5cyclictest24582-21uname21:45:000
17122995435,9cyclictest9-21ksoftirqd/019:35:000
17122995430,3cyclictest9-21ksoftirqd/020:49:390
134491540,4ptp4l0-21swapper/322:16:453
134491540,4ptp4l0-21swapper/222:10:182
31212530,5sleep30-21swapper/320:55:283
17124995322,4cyclictest33-21ksoftirqd/219:57:332
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional