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2026-06-14 - 17:49
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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 Jun 14, 2026 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
42352205172,22sleep10-21swapper/107:09:491
139491205171,22phc2sys0-21swapper/307:06:523
41192202169,22sleep20-21swapper/207:08:272
41172202168,22sleep00-21swapper/007:08:250
961321570,6sleep0454299cyclictest11:50:020
483421520,5sleep34838-21cpuspeed_turbos11:40:133
4545997538,3cyclictest41-21ksoftirqd/312:00:293
64302700,5sleep16431-21unixbench_singl11:40:271
4545996434,4cyclictest41-21ksoftirqd/310:10:173
4545996427,8cyclictest41-21ksoftirqd/309:15:003
4545996332,4cyclictest41-21ksoftirqd/310:15:253
4545996231,4cyclictest41-21ksoftirqd/310:05:303
4545996125,9cyclictest41-21ksoftirqd/309:20:003
4545996121,8cyclictest41-21ksoftirqd/307:35:233
4545996029,7cyclictest41-21ksoftirqd/310:20:153
4545995930,4cyclictest41-21ksoftirqd/309:55:263
4545995927,7cyclictest41-21ksoftirqd/312:35:253
4545995924,8cyclictest41-21ksoftirqd/311:50:183
4545995924,8cyclictest41-21ksoftirqd/310:50:233
4545995924,8cyclictest41-21ksoftirqd/310:50:233
4545995922,8cyclictest41-21ksoftirqd/307:30:153
4545995825,7cyclictest41-21ksoftirqd/311:15:003
4545995726,7cyclictest41-21ksoftirqd/308:50:253
4545995726,7cyclictest41-21ksoftirqd/308:50:253
4545995723,8cyclictest41-21ksoftirqd/308:05:273
4545995718,8cyclictest41-21ksoftirqd/308:20:163
4545995718,8cyclictest41-21ksoftirqd/308:20:163
4545995626,4cyclictest41-21ksoftirqd/307:42:013
4545995624,4cyclictest41-21ksoftirqd/308:30:143
4545995623,8cyclictest41-21ksoftirqd/308:00:143
4545995622,13cyclictest41-21ksoftirqd/309:20:183
4545995621,8cyclictest41-21ksoftirqd/311:50:003
4545995619,5cyclictest41-21ksoftirqd/311:30:113
205872560,2sleep00-21swapper/008:50:180
205872560,2sleep00-21swapper/008:50:180
12352560,3sleep21239-21cpuspeed_turbos10:25:152
4545995527,6cyclictest41-21ksoftirqd/309:50:173
4545995525,6cyclictest41-21ksoftirqd/309:05:143
4545995525,4cyclictest41-21ksoftirqd/311:15:223
4545995524,4cyclictest41-21ksoftirqd/309:45:123
4545995523,3cyclictest41-21ksoftirqd/308:15:133
4545995520,8cyclictest41-21ksoftirqd/308:55:243
4545995518,8cyclictest41-21ksoftirqd/312:05:213
4545995428,4cyclictest41-21ksoftirqd/307:55:503
4545995425,3cyclictest41-21ksoftirqd/311:28:243
4545995424,6cyclictest41-21ksoftirqd/307:15:003
4545995422,4cyclictest41-21ksoftirqd/311:05:263
454599537,3cyclictest41-21ksoftirqd/309:35:133
4545995324,6cyclictest41-21ksoftirqd/312:15:003
4545995322,4cyclictest41-21ksoftirqd/310:25:273
4545995322,4cyclictest41-21ksoftirqd/308:40:243
4545995321,9cyclictest41-21ksoftirqd/310:45:133
4545995319,8cyclictest41-21ksoftirqd/309:30:143
4545995317,7cyclictest41-21ksoftirqd/312:25:143
4543995320,8cyclictest25-21ksoftirqd/110:09:591
14132530,3sleep00-21swapper/011:30:240
4545995223,4cyclictest41-21ksoftirqd/310:58:073
4545995221,7cyclictest41-21ksoftirqd/312:20:133
4545995216,8cyclictest41-21ksoftirqd/310:00:263
4543995216,4cyclictest25-21ksoftirqd/110:40:251
134391520,2getstats0-21swapper/309:00:433
70552510,3sleep00-21swapper/011:45:120
454599517,2cyclictest41-21ksoftirqd/307:50:183
454599517,2cyclictest41-21ksoftirqd/307:50:173
4545995121,9cyclictest41-21ksoftirqd/312:30:123
4543995124,6cyclictest25-21ksoftirqd/109:00:011
454599506,3cyclictest41-21ksoftirqd/310:35:113
454599506,2cyclictest41-21ksoftirqd/307:30:003
4545995020,7cyclictest41-21ksoftirqd/309:25:153
4545995017,11cyclictest41-21ksoftirqd/312:20:003
4543995015,4cyclictest25-21ksoftirqd/111:35:241
100852500,2sleep20-21swapper/211:50:162
454599498,2cyclictest41-21ksoftirqd/311:55:253
454599498,2cyclictest41-21ksoftirqd/311:55:253
454599496,2cyclictest41-21ksoftirqd/311:00:153
4545994919,8cyclictest41-21ksoftirqd/307:20:203
4545994918,8cyclictest41-21ksoftirqd/308:40:003
4543994920,4cyclictest25-21ksoftirqd/110:55:161
4543994917,4cyclictest25-21ksoftirqd/110:35:001
4543994911,7cyclictest25-21ksoftirqd/110:15:141
4545994818,7cyclictest41-21ksoftirqd/310:40:143
4545994816,3cyclictest41-21ksoftirqd/311:35:183
4545994815,9cyclictest41-21ksoftirqd/307:45:003
4545994812,8cyclictest41-21ksoftirqd/308:10:153
4543994820,3cyclictest25-21ksoftirqd/108:35:271
4543994817,4cyclictest25-21ksoftirqd/110:25:251
4543994815,3cyclictest25-21ksoftirqd/108:45:251
4543994814,4cyclictest25-21ksoftirqd/107:30:261
4543994811,8cyclictest25-21ksoftirqd/109:10:181
127642480,1sleep00-21swapper/008:35:000
4545994737,3cyclictest41-21ksoftirqd/308:45:263
4545994718,9cyclictest41-21ksoftirqd/308:25:203
454599471,7cyclictest9062-21cron07:20:013
4543994716,4cyclictest25-21ksoftirqd/109:16:201
4543994714,6cyclictest25-21ksoftirqd/110:45:131
4543994714,4cyclictest25-21ksoftirqd/107:40:261
4545994630,6cyclictest41-21ksoftirqd/311:20:233
454599462,7cyclictest41-21ksoftirqd/309:40:223
454399469,4cyclictest25-21ksoftirqd/110:10:141
4543994618,3cyclictest25-21ksoftirqd/109:50:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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