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2026-03-29 - 15:12
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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 Mar 29, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
121042222159,51sleep20-21swapper/207:09:552
139491210176,22phc2sys0-21swapper/307:08:063
119752204171,22sleep00-21swapper/007:08:200
119302201168,22sleep10-21swapper/107:07:441
12408996332,4cyclictest41-21ksoftirqd/312:00:173
12408996331,7cyclictest41-21ksoftirqd/311:50:163
12408996230,7cyclictest41-21ksoftirqd/308:45:003
12408996230,4cyclictest41-21ksoftirqd/312:05:273
12408996230,4cyclictest41-21ksoftirqd/310:05:003
12408996229,7cyclictest41-21ksoftirqd/308:00:233
12408996228,4cyclictest41-21ksoftirqd/310:35:233
106662620,2sleep20-21swapper/209:20:192
12408996131,8cyclictest41-21ksoftirqd/311:30:003
12408996131,4cyclictest41-21ksoftirqd/310:45:143
12408996131,4cyclictest41-21ksoftirqd/309:25:183
12408996131,4cyclictest41-21ksoftirqd/307:35:243
12408996130,4cyclictest41-21ksoftirqd/308:45:223
12408996128,4cyclictest41-21ksoftirqd/311:15:013
12408996128,4cyclictest41-21ksoftirqd/308:55:123
12408996128,4cyclictest41-21ksoftirqd/307:20:263
12408996124,7cyclictest41-21ksoftirqd/312:25:143
12408996122,8cyclictest41-21ksoftirqd/307:15:243
12408996031,3cyclictest41-21ksoftirqd/311:35:273
12408996029,4cyclictest41-21ksoftirqd/309:45:003
12408996028,3cyclictest41-21ksoftirqd/310:15:133
12408996027,4cyclictest41-21ksoftirqd/310:50:243
1394915942,10phc2sys0-21swapper/307:10:003
12408995931,3cyclictest41-21ksoftirqd/311:15:133
12408995928,4cyclictest41-21ksoftirqd/307:35:003
12408995926,4cyclictest41-21ksoftirqd/311:45:263
12408995829,8cyclictest41-21ksoftirqd/311:05:153
12408995829,4cyclictest41-21ksoftirqd/311:20:143
12408995827,4cyclictest41-21ksoftirqd/309:15:143
12408995729,8cyclictest41-21ksoftirqd/309:30:223
12408995728,3cyclictest41-21ksoftirqd/311:30:263
12408995727,7cyclictest41-21ksoftirqd/308:35:003
12408995725,5cyclictest41-21ksoftirqd/312:15:143
12408995725,4cyclictest41-21ksoftirqd/310:10:013
12408995725,4cyclictest41-21ksoftirqd/308:20:183
12408995724,3cyclictest41-21ksoftirqd/311:00:263
71582560,1sleep10-21swapper/112:35:131
7122560,2sleep00-21swapper/012:20:200
12408995629,7cyclictest41-21ksoftirqd/308:05:243
12408995627,8cyclictest41-21ksoftirqd/309:05:193
12408995623,4cyclictest41-21ksoftirqd/310:25:263
12408995611,11cyclictest41-21ksoftirqd/309:05:003
12408995528,3cyclictest41-21ksoftirqd/307:55:013
12408995527,3cyclictest41-21ksoftirqd/308:20:013
12408995525,4cyclictest41-21ksoftirqd/307:40:173
12408995524,4cyclictest41-21ksoftirqd/310:10:233
12408995523,4cyclictest41-21ksoftirqd/309:20:193
12408995521,4cyclictest41-21ksoftirqd/310:30:253
12408995521,4cyclictest41-21ksoftirqd/308:00:013
12408995520,4cyclictest41-21ksoftirqd/312:35:133
12408995520,4cyclictest41-21ksoftirqd/308:55:013
203162540,1sleep10-21swapper/107:25:161
12408995427,3cyclictest41-21ksoftirqd/307:25:123
12408995424,4cyclictest41-21ksoftirqd/310:20:233
12408995424,4cyclictest41-21ksoftirqd/309:55:153
12408995423,4cyclictest41-21ksoftirqd/310:55:243
12408995423,4cyclictest41-21ksoftirqd/308:35:233
12408995421,4cyclictest41-21ksoftirqd/312:30:263
12408995420,4cyclictest41-21ksoftirqd/309:45:273
12408995323,4cyclictest41-21ksoftirqd/309:40:003
12408995322,4cyclictest41-21ksoftirqd/308:10:133
154192510,2sleep00-21swapper/010:35:260
12408995124,9cyclictest41-21ksoftirqd/312:00:013
12408995118,4cyclictest41-21ksoftirqd/310:40:173
12408995114,6cyclictest41-21ksoftirqd/312:10:243
1240699515,44cyclictest0-21swapper/110:15:531
1240699510,49cyclictest0-21swapper/108:22:531
12408995021,4cyclictest41-21ksoftirqd/312:25:013
12408994919,3cyclictest41-21ksoftirqd/307:45:173
12405994943,3cyclictest8927-21dump-pmu-power12:40:010
1240899473,6cyclictest41-21ksoftirqd/309:10:143
1240899463,7cyclictest41-21ksoftirqd/311:45:013
12407994627,16cyclictest6550-21cron12:34:592
1240899454,3cyclictest41-21ksoftirqd/308:25:193
1240899442,3cyclictest41-21ksoftirqd/309:50:153
1240899442,3cyclictest41-21ksoftirqd/309:50:153
12405994338,3cyclictest25221-21cron08:45:000
57898410,1rtkit-daemon0-21swapper/109:42:311
12407994034,3cyclictest5415-21cron11:24:592
12407993730,4cyclictest33-21ksoftirqd/210:53:142
12407993730,4cyclictest33-21ksoftirqd/209:28:162
12405993732,3cyclictest9-21ksoftirqd/010:55:000
12407993630,4cyclictest33-21ksoftirqd/211:08:182
12406993630,4cyclictest25-21ksoftirqd/109:14:031
12406993630,4cyclictest25-21ksoftirqd/107:20:321
12407993530,3cyclictest33-21ksoftirqd/208:59:262
12407993529,4cyclictest33-21ksoftirqd/211:38:502
12407993529,4cyclictest33-21ksoftirqd/208:41:362
12407993529,4cyclictest33-21ksoftirqd/208:01:082
12407993528,4cyclictest33-21ksoftirqd/207:15:582
1240699358,26cyclictest0-21swapper/109:45:231
12406993530,3cyclictest25-21ksoftirqd/112:15:101
12406993530,3cyclictest25-21ksoftirqd/108:37:051
12406993529,4cyclictest25-21ksoftirqd/110:03:131
12406993529,4cyclictest25-21ksoftirqd/109:05:541
12406993529,4cyclictest25-21ksoftirqd/108:28:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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