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2026-04-26 - 18:24
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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 Sun Apr 26, 2026 12:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48152204171,22sleep30-21swapper/307:08:203
46702204171,22sleep20-21swapper/207:06:272
49232201168,22sleep10-21swapper/107:09:381
47502201168,22sleep00-21swapper/007:07:280
2006121730,5sleep0524399cyclictest07:40:170
139391650,53ptp4l0-21swapper/307:10:003
139391640,1ptp4l401ktimersoftd/307:45:383
184612620,3sleep2311rcuc/208:45:142
294442580,4sleep229448-21cpuspeed_turbos08:00:132
139391580,1ptp4l401ktimersoftd/312:10:143
137072530,3sleep2524599cyclictest11:55:212
77352500,3sleep30-21swapper/308:20:243
77352500,3sleep30-21swapper/308:20:243
139391430,0ptp4l401ktimersoftd/310:30:293
5245994236,4cyclictest1287-21sshd08:09:182
139391420,0ptp4l401ktimersoftd/308:30:233
57898410,8rtkit-daemon0-21swapper/210:41:012
5246994128,11cyclictest41-21ksoftirqd/307:25:293
139391410,1ptp4l401ktimersoftd/311:19:303
5246994035,3cyclictest41-21ksoftirqd/310:05:003
5246994035,3cyclictest41-21ksoftirqd/309:40:003
524699400,3cyclictest121rcu_preempt10:15:273
5243994034,3cyclictest9-21ksoftirqd/007:20:000
139391400,1ptp4l401ktimersoftd/311:36:013
139391400,0ptp4l401ktimersoftd/307:34:193
5246993935,2cyclictest41-21ksoftirqd/310:40:003
5244993936,2cyclictest25-21ksoftirqd/111:15:001
5243993935,3cyclictest9-21ksoftirqd/007:40:000
5246993834,3cyclictest41-21ksoftirqd/308:35:183
5246993833,3cyclictest41-21ksoftirqd/312:05:013
5246993833,3cyclictest41-21ksoftirqd/312:05:003
5246993833,3cyclictest41-21ksoftirqd/310:25:003
5246993833,3cyclictest41-21ksoftirqd/310:15:013
5246993830,6cyclictest41-21ksoftirqd/308:14:183
5244993834,3cyclictest25-21ksoftirqd/112:05:191
5244993827,10cyclictest25-21ksoftirqd/111:20:191
524399385,3cyclictest121rcu_preempt10:24:470
5243993834,2cyclictest9-21ksoftirqd/011:20:000
5243993833,3cyclictest9-21ksoftirqd/011:04:590
5246993733,3cyclictest41-21ksoftirqd/309:34:593
5246993733,3cyclictest41-21ksoftirqd/309:04:593
5246993733,2cyclictest41-21ksoftirqd/311:05:003
5246993732,3cyclictest41-21ksoftirqd/307:45:003
5246993731,3cyclictest41-21ksoftirqd/312:20:003
5244993733,2cyclictest25-21ksoftirqd/109:20:011
5244993731,4cyclictest25-21ksoftirqd/107:37:501
5243993732,3cyclictest9-21ksoftirqd/012:40:000
139391370,1ptp4l401ktimersoftd/311:11:003
5246993631,3cyclictest41-21ksoftirqd/311:20:243
5246993631,3cyclictest41-21ksoftirqd/310:42:073
5246993631,3cyclictest41-21ksoftirqd/309:40:193
5246993630,4cyclictest41-21ksoftirqd/309:28:563
5246993630,3cyclictest41-21ksoftirqd/309:55:263
5246993630,3cyclictest41-21ksoftirqd/309:50:013
5245993630,4cyclictest33-21ksoftirqd/212:32:392
5245993630,4cyclictest33-21ksoftirqd/210:19:542
5245993630,4cyclictest33-21ksoftirqd/209:42:582
5245993630,4cyclictest33-21ksoftirqd/207:36:062
5244993632,2cyclictest25-21ksoftirqd/112:15:001
5244993631,3cyclictest25-21ksoftirqd/111:50:181
5244993631,3cyclictest25-21ksoftirqd/110:55:191
5244993631,3cyclictest25-21ksoftirqd/110:15:141
5244993631,3cyclictest25-21ksoftirqd/108:40:191
5244993630,4cyclictest25-21ksoftirqd/112:20:231
5244993630,4cyclictest25-21ksoftirqd/110:54:101
5244993630,4cyclictest25-21ksoftirqd/109:46:071
5244993630,3cyclictest25-21ksoftirqd/110:35:001
5243993632,2cyclictest9-21ksoftirqd/009:35:000
5243993631,3cyclictest9-21ksoftirqd/011:15:000
5243993623,11cyclictest9-21ksoftirqd/008:25:000
5243993623,11cyclictest9-21ksoftirqd/008:24:590
5246993530,3cyclictest41-21ksoftirqd/308:50:253
5245993530,3cyclictest33-21ksoftirqd/212:29:592
5245993530,3cyclictest33-21ksoftirqd/210:45:202
5245993529,4cyclictest33-21ksoftirqd/210:38:462
5245993529,4cyclictest33-21ksoftirqd/209:54:462
5245993529,4cyclictest33-21ksoftirqd/207:33:052
5244993531,2cyclictest25-21ksoftirqd/108:25:141
5244993530,3cyclictest25-21ksoftirqd/111:00:191
5244993530,3cyclictest25-21ksoftirqd/108:40:001
5244993529,4cyclictest25-21ksoftirqd/112:29:461
5244993529,4cyclictest25-21ksoftirqd/109:20:311
5244993529,4cyclictest25-21ksoftirqd/108:46:011
5244993528,4cyclictest25-21ksoftirqd/110:11:061
5243993532,1cyclictest0-21swapper/007:10:010
5243993531,2cyclictest9-21ksoftirqd/012:05:010
5243993531,2cyclictest9-21ksoftirqd/012:05:000
5243993530,3cyclictest9-21ksoftirqd/008:15:070
5243993529,4cyclictest9-21ksoftirqd/008:51:100
5243993529,4cyclictest9-21ksoftirqd/008:45:430
5243993529,3cyclictest9-21ksoftirqd/011:35:140
5243993528,5cyclictest9-21ksoftirqd/009:59:540
524699343,2cyclictest41-21ksoftirqd/309:00:003
5246993431,2cyclictest41-21ksoftirqd/310:45:203
5246993430,2cyclictest41-21ksoftirqd/307:15:193
5246993429,3cyclictest41-21ksoftirqd/312:35:013
5246993429,3cyclictest41-21ksoftirqd/311:49:043
5246993429,3cyclictest41-21ksoftirqd/307:50:203
5246993428,4cyclictest41-21ksoftirqd/309:15:563
5246993428,4cyclictest41-21ksoftirqd/308:06:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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