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2025-11-23 - 11:59
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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 rackdslot3.osadl.org (updated Sun Nov 23, 2025 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137191205172,22phc2sys0-21swapper/319:08:173
100872203169,23sleep00-21swapper/019:08:390
99022202169,22sleep20-21swapper/219:06:202
99012201167,23sleep10-21swapper/119:06:201
2931421760,6sleep21048899cyclictest22:00:232
1513921340,6sleep11048799cyclictest23:45:241
123972670,2sleep20-21swapper/222:35:132
10489996629,4cyclictest41-21ksoftirqd/322:20:003
78982650,4sleep21048899cyclictest22:25:142
10702650,6sleep21048899cyclictest22:10:192
10489996128,7cyclictest41-21ksoftirqd/323:25:003
10489996124,8cyclictest41-21ksoftirqd/321:25:203
10489996023,4cyclictest41-21ksoftirqd/321:04:193
10489996022,10cyclictest41-21ksoftirqd/320:10:183
10489995930,6cyclictest41-21ksoftirqd/323:45:003
10489995928,7cyclictest41-21ksoftirqd/319:15:013
10489995827,9cyclictest41-21ksoftirqd/319:25:163
10489995822,4cyclictest41-21ksoftirqd/319:38:303
10489995821,8cyclictest41-21ksoftirqd/322:07:573
10489995821,4cyclictest41-21ksoftirqd/319:31:573
10489995727,8cyclictest41-21ksoftirqd/319:40:303
10489995726,8cyclictest41-21ksoftirqd/321:50:253
10489995726,8cyclictest41-21ksoftirqd/321:50:243
10489995725,9cyclictest41-21ksoftirqd/321:30:193
10489995725,8cyclictest41-21ksoftirqd/320:25:003
10489995725,8cyclictest41-21ksoftirqd/320:25:003
10489995722,10cyclictest41-21ksoftirqd/323:25:013
10489995721,4cyclictest41-21ksoftirqd/323:09:593
10489995721,4cyclictest41-21ksoftirqd/322:22:583
10489995721,4cyclictest41-21ksoftirqd/322:22:573
10489995721,3cyclictest41-21ksoftirqd/300:38:053
136991560,0ptp4l391rcuc/300:00:283
10489995626,7cyclictest41-21ksoftirqd/323:55:193
10489995625,7cyclictest41-21ksoftirqd/321:40:253
10489995625,7cyclictest41-21ksoftirqd/320:26:293
10489995624,7cyclictest41-21ksoftirqd/300:25:233
10489995621,8cyclictest41-21ksoftirqd/322:50:283
10489995621,8cyclictest41-21ksoftirqd/322:50:273
10489995620,4cyclictest41-21ksoftirqd/323:15:013
10489995620,4cyclictest41-21ksoftirqd/321:39:573
170082550,3sleep20-21swapper/222:45:012
10489995525,8cyclictest41-21ksoftirqd/322:30:163
10489995525,8cyclictest41-21ksoftirqd/322:10:183
10489995525,7cyclictest41-21ksoftirqd/321:45:153
10489995522,8cyclictest41-21ksoftirqd/323:35:133
10489995522,8cyclictest41-21ksoftirqd/300:30:273
10489995522,11cyclictest41-21ksoftirqd/320:51:353
1048999543,7cyclictest0-21swapper/320:05:013
10489995424,8cyclictest41-21ksoftirqd/322:00:173
10489995424,7cyclictest41-21ksoftirqd/320:30:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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