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2026-06-22 - 06:19
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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 100 highest latencies:
System rackdslot3.osadl.org (updated Mon Jun 22, 2026 00:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491237169,23phc2sys0-21swapper/319:08:563
82532206141,21sleep10-21swapper/119:07:181
81362206172,22sleep00-21swapper/019:05:530
63292205172,22sleep20-21swapper/219:05:072
8751996511,19cyclictest13294-21latency_hist19:20:000
8754995810,46cyclictest17614-21kworker/3:023:09:133
8753995414,7cyclictest33-21ksoftirqd/221:20:002
8754995213,37cyclictest23135-21kworker/3:219:52:333
8754995213,37cyclictest23135-21kworker/3:219:52:333
8753995119,4cyclictest33-21ksoftirqd/220:00:012
173062500,3sleep117308-21timerandwakeup23:55:261
139391490,21ptp4l875499cyclictest22:25:133
875399488,10cyclictest33-21ksoftirqd/220:30:202
198212470,2sleep20-21swapper/222:55:132
198212470,2sleep20-21swapper/222:55:132
875399467,5cyclictest33-21ksoftirqd/221:40:282
8753994619,3cyclictest33-21ksoftirqd/219:40:222
8753994538,4cyclictest22834-21cron00:10:012
8753994515,6cyclictest33-21ksoftirqd/200:35:142
8753994515,4cyclictest33-21ksoftirqd/220:40:212
8753994513,6cyclictest33-21ksoftirqd/223:40:002
875399448,5cyclictest33-21ksoftirqd/200:05:012
139391440,0ptp4l401ktimersoftd/319:30:283
875399439,4cyclictest33-21ksoftirqd/222:25:132
8753994313,7cyclictest33-21ksoftirqd/200:24:592
875399429,6cyclictest33-21ksoftirqd/220:30:012
875399429,5cyclictest33-21ksoftirqd/223:30:142
875399427,6cyclictest33-21ksoftirqd/219:50:242
875399427,6cyclictest33-21ksoftirqd/219:50:242
875399426,7cyclictest33-21ksoftirqd/220:55:242
875399425,3cyclictest33-21ksoftirqd/223:15:242
875399425,3cyclictest33-21ksoftirqd/222:30:182
875399420,3cyclictest121rcu_preempt21:45:152
57898420,2rtkit-daemon0-21swapper/119:32:501
139391420,0ptp4l401ktimersoftd/321:11:573
139391420,0ptp4l401ktimersoftd/300:06:513
875399419,4cyclictest33-21ksoftirqd/220:15:002
875399417,6cyclictest33-21ksoftirqd/223:20:142
875399417,6cyclictest33-21ksoftirqd/222:20:182
875399415,7cyclictest33-21ksoftirqd/200:10:252
875399413,7cyclictest33-21ksoftirqd/221:30:012
8753994136,2cyclictest33-21ksoftirqd/223:05:012
8753994129,10cyclictest33-21ksoftirqd/220:05:252
8753994113,4cyclictest33-21ksoftirqd/200:15:142
8753994112,3cyclictest33-21ksoftirqd/219:10:202
8753994112,3cyclictest33-21ksoftirqd/219:10:192
139391410,0ptp4l401ktimersoftd/323:35:193
875399409,7cyclictest33-21ksoftirqd/221:35:012
875399408,7cyclictest33-21ksoftirqd/219:20:242
875399408,5cyclictest33-21ksoftirqd/222:00:152
875399408,5cyclictest33-21ksoftirqd/222:00:152
875399408,5cyclictest33-21ksoftirqd/219:25:222
875399407,7cyclictest33-21ksoftirqd/221:20:162
8753994014,6cyclictest33-21ksoftirqd/222:35:162
8753994011,4cyclictest33-21ksoftirqd/221:55:152
8753994011,3cyclictest33-21ksoftirqd/222:10:132
875399396,5cyclictest33-21ksoftirqd/200:25:242
8753993928,3cyclictest33-21ksoftirqd/220:05:002
8753993913,7cyclictest33-21ksoftirqd/223:45:272
8753993911,3cyclictest33-21ksoftirqd/220:50:252
57898390,6rtkit-daemon9-21ksoftirqd/022:30:130
8754993832,3cyclictest15799-21cron21:40:003
8754993831,5cyclictest41-21ksoftirqd/323:22:093
875399388,7cyclictest33-21ksoftirqd/223:10:252
875399385,6cyclictest33-21ksoftirqd/219:15:142
875399384,3cyclictest33-21ksoftirqd/223:05:272
8753993833,3cyclictest33-21ksoftirqd/221:50:212
8753993833,3cyclictest33-21ksoftirqd/220:35:252
8753993813,7cyclictest33-21ksoftirqd/222:15:182
8753993813,6cyclictest33-21ksoftirqd/222:40:132
8752993831,5cyclictest25-21ksoftirqd/121:16:241
8751993832,4cyclictest9-21ksoftirqd/022:16:550
875499379,17cyclictest1317-21runrttasks00:10:463
8754993731,4cyclictest41-21ksoftirqd/321:48:393
875399379,6cyclictest33-21ksoftirqd/221:00:222
875399379,6cyclictest33-21ksoftirqd/221:00:222
875399378,3cyclictest33-21ksoftirqd/221:35:142
875399377,8cyclictest33-21ksoftirqd/220:45:162
875399377,6cyclictest33-21ksoftirqd/223:25:152
875399376,6cyclictest33-21ksoftirqd/223:50:222
875399375,5cyclictest33-21ksoftirqd/200:30:172
875399375,5cyclictest33-21ksoftirqd/200:30:162
8753993732,3cyclictest33-21ksoftirqd/223:40:142
8753993732,3cyclictest33-21ksoftirqd/200:00:002
8753993731,4cyclictest33-21ksoftirqd/219:40:002
8753993724,11cyclictest33-21ksoftirqd/219:50:002
875399371,6cyclictest33-21ksoftirqd/222:05:222
8753993711,7cyclictest33-21ksoftirqd/221:10:192
8752993731,4cyclictest25-21ksoftirqd/119:28:281
8751993714,21cyclictest31203-21idleruntime-cro23:20:010
875199370,3cyclictest21618-21taskset22:59:040
875199370,3cyclictest21618-21taskset22:59:040
8754993630,4cyclictest41-21ksoftirqd/322:11:223
8754993629,5cyclictest41-21ksoftirqd/300:15:423
875399366,3cyclictest33-21ksoftirqd/221:05:242
8753993631,3cyclictest33-21ksoftirqd/222:50:142
8753993631,3cyclictest33-21ksoftirqd/220:20:182
8753993611,6cyclictest33-21ksoftirqd/219:30:232
8752993630,4cyclictest25-21ksoftirqd/100:25:351
8752993630,3cyclictest25-21ksoftirqd/120:50:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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