You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-22 - 17:03
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 100 highest latencies:
System rackdslot1.osadl.org (updated Wed Jul 22, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491700,11ptp4l0-21swapper/211:35:242
15828996728,8cyclictest41-21ksoftirqd/308:06:463
15828996728,8cyclictest41-21ksoftirqd/308:06:463
15828996728,7cyclictest41-21ksoftirqd/310:53:553
15828996626,8cyclictest41-21ksoftirqd/311:24:563
15828996530,8cyclictest41-21ksoftirqd/310:00:143
15828996526,8cyclictest41-21ksoftirqd/309:02:303
15828996526,8cyclictest41-21ksoftirqd/308:10:073
134491650,4ptp4l0-21swapper/110:30:211
15828996433,4cyclictest41-21ksoftirqd/307:45:223
15828996432,4cyclictest41-21ksoftirqd/308:45:003
15828996432,3cyclictest41-21ksoftirqd/312:10:013
15828996429,3cyclictest41-21ksoftirqd/311:55:153
15828996322,9cyclictest41-21ksoftirqd/307:22:133
15828996233,3cyclictest41-21ksoftirqd/309:50:123
15828996231,8cyclictest41-21ksoftirqd/311:25:153
15828996228,4cyclictest41-21ksoftirqd/312:05:173
15828996228,3cyclictest41-21ksoftirqd/311:45:203
15828996223,7cyclictest41-21ksoftirqd/312:34:123
15828996133,7cyclictest41-21ksoftirqd/308:20:173
15828996119,8cyclictest41-21ksoftirqd/309:45:133
134491610,17ptp4l0-21swapper/111:45:241
15828996030,3cyclictest41-21ksoftirqd/307:50:193
15828996027,8cyclictest41-21ksoftirqd/308:55:153
15828996027,6cyclictest41-21ksoftirqd/311:40:153
15828996026,4cyclictest41-21ksoftirqd/307:25:183
15828996026,10cyclictest41-21ksoftirqd/309:31:283
15828996025,7cyclictest41-21ksoftirqd/310:40:163
15828996024,3cyclictest41-21ksoftirqd/311:50:133
15828996024,10cyclictest41-21ksoftirqd/311:14:183
15828996022,7cyclictest41-21ksoftirqd/309:12:293
134491600,3ptp4l22031-21irqstats10:50:191
15828995930,3cyclictest41-21ksoftirqd/308:30:583
15828995929,6cyclictest41-21ksoftirqd/311:35:123
15828995927,4cyclictest41-21ksoftirqd/312:25:133
15828995925,7cyclictest41-21ksoftirqd/308:15:193
134491590,14ptp4l0-21swapper/207:50:272
15828995826,7cyclictest41-21ksoftirqd/309:20:003
15828995821,6cyclictest41-21ksoftirqd/307:10:223
15828995819,6cyclictest41-21ksoftirqd/312:02:033
134491580,3ptp4l0-21swapper/207:57:072
134491580,16ptp4l26050-21irqrtprio07:30:171
15828995730,6cyclictest41-21ksoftirqd/307:40:133
15828995728,7cyclictest41-21ksoftirqd/307:20:003
15828995725,10cyclictest41-21ksoftirqd/312:25:003
15828995724,9cyclictest41-21ksoftirqd/310:00:013
134491570,3ptp4l0-21swapper/307:55:293
134491570,2ptp4l0-21swapper/012:30:230
15828995626,8cyclictest41-21ksoftirqd/309:25:243
15828995625,6cyclictest41-21ksoftirqd/310:46:183
134491560,3ptp4l0-21swapper/012:38:460
134491560,3ptp4l0-21swapper/010:46:460
134491560,3ptp4l0-21swapper/010:30:270
15828995529,3cyclictest41-21ksoftirqd/311:00:203
15828995526,9cyclictest41-21ksoftirqd/308:50:243
134491550,6ptp4l9-21ksoftirqd/007:08:290
134491550,6ptp4l9-21ksoftirqd/007:08:290
134491550,4ptp4l0-21swapper/108:35:061
134491550,4ptp4l0-21swapper/108:35:061
134491550,3ptp4l0-21swapper/112:02:401
134491550,3ptp4l0-21swapper/109:45:251
134491550,3ptp4l0-21swapper/008:45:020
15828995420,7cyclictest41-21ksoftirqd/309:35:043
15828995418,8cyclictest41-21ksoftirqd/310:58:363
134491540,4ptp4l0-21swapper/109:50:111
134491540,3ptp4l0-21swapper/111:07:231
134491530,6ptp4l0-21swapper/107:05:191
134491530,6ptp4l0-21swapper/107:05:191
15828995230,3cyclictest41-21ksoftirqd/308:45:143
15828995218,4cyclictest41-21ksoftirqd/309:08:363
134491520,4ptp4l0-21swapper/110:38:111
134491520,3ptp4l0-21swapper/109:20:111
1582899517,3cyclictest41-21ksoftirqd/310:25:183
1582899516,2cyclictest41-21ksoftirqd/311:15:133
1582899512,7cyclictest0-21swapper/310:05:203
15828995121,8cyclictest41-21ksoftirqd/311:30:193
134491510,4ptp4l0-21swapper/211:44:132
134491510,4ptp4l0-21swapper/207:33:022
134491510,4ptp4l0-21swapper/112:30:341
134491510,4ptp4l0-21swapper/112:26:381
134491510,3ptp4l0-21swapper/208:52:372
134491510,3ptp4l0-21swapper/111:32:561
134491510,2ptp4l6432-21threads10:15:261
1582899502,6cyclictest121rcu_preempt10:30:333
1582899502,6cyclictest121rcu_preempt08:28:323
1582899502,3cyclictest121rcu_preempt08:00:213
15828995020,7cyclictest41-21ksoftirqd/311:05:273
15828995019,7cyclictest41-21ksoftirqd/307:38:263
15828995019,7cyclictest41-21ksoftirqd/307:38:263
134491500,5ptp4l0-21swapper/207:08:112
134491500,5ptp4l0-21swapper/207:08:112
134491500,4ptp4l0-21swapper/212:38:412
134491500,11ptp4l32492-21diskstats07:45:160
1582899493,3cyclictest121rcu_preempt09:21:093
1582899492,6cyclictest121rcu_preempt07:34:453
1582899491,3cyclictest121rcu_preempt08:38:443
1582899491,3cyclictest121rcu_preempt08:38:443
134491490,9ptp4l0-21swapper/210:08:452
134491490,4ptp4l0-21swapper/209:12:172
134491490,4ptp4l0-21swapper/208:43:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional