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2026-05-09 - 22:45
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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 Sat May 09, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491210177,22phc2sys0-21swapper/307:06:013
117652202169,22sleep20-21swapper/207:09:032
115072201168,22sleep10-21swapper/107:05:391
114952196163,22sleep00-21swapper/007:05:310
1512721670,7sleep01213799cyclictest10:35:280
1156721540,2sleep30-21swapper/308:15:183
283822680,2sleep312136-21cyclictest09:55:273
139391660,1ptp4l401ktimersoftd/308:21:273
166052620,5sleep20-21swapper/209:30:262
134491580,7getstats1214099cyclictest10:34:013
36142560,2sleep30-21swapper/312:25:263
139391560,1ptp4l401ktimersoftd/307:20:143
139391500,1ptp4l401ktimersoftd/309:27:053
1213899471,42cyclictest6412-21sh12:35:001
139391450,0ptp4l401ktimersoftd/311:39:563
139391430,0ptp4l401ktimersoftd/311:33:403
139391420,0ptp4l401ktimersoftd/312:15:193
139391420,0ptp4l401ktimersoftd/309:51:183
1213999411,37cyclictest24527-21cron12:05:002
12137994136,3cyclictest9-21ksoftirqd/008:20:010
12139993832,4cyclictest33-21ksoftirqd/212:11:532
139391370,0ptp4l401ktimersoftd/311:10:243
12140993730,5cyclictest41-21ksoftirqd/308:47:513
12139993723,12cyclictest33-21ksoftirqd/210:55:002
12138993731,4cyclictest25-21ksoftirqd/111:47:211
12138993731,4cyclictest25-21ksoftirqd/111:08:501
12138993730,4cyclictest25-21ksoftirqd/111:18:571
12140993630,4cyclictest41-21ksoftirqd/312:14:273
12140993630,4cyclictest41-21ksoftirqd/309:39:423
12139993630,4cyclictest33-21ksoftirqd/208:31:572
12138993632,2cyclictest25-21ksoftirqd/108:20:011
12138993632,2cyclictest207-21systemd-journal08:29:561
12138993630,4cyclictest25-21ksoftirqd/110:31:151
12138993630,4cyclictest25-21ksoftirqd/107:25:381
12138993630,3cyclictest25-21ksoftirqd/112:00:181
12138993629,4cyclictest25-21ksoftirqd/111:33:181
12140993530,3cyclictest41-21ksoftirqd/310:35:103
12140993530,3cyclictest24525-21cron12:05:003
12140993529,4cyclictest41-21ksoftirqd/310:16:453
12140993529,4cyclictest41-21ksoftirqd/310:04:423
12140993529,4cyclictest41-21ksoftirqd/308:39:293
12140993529,4cyclictest41-21ksoftirqd/308:04:183
12139993530,3cyclictest33-21ksoftirqd/207:15:012
12139993529,4cyclictest33-21ksoftirqd/211:07:312
12139993529,3cyclictest33-21ksoftirqd/208:25:032
12139993528,5cyclictest33-21ksoftirqd/212:35:122
12138993530,3cyclictest25-21ksoftirqd/107:10:211
12138993529,4cyclictest25-21ksoftirqd/112:07:511
12138993529,4cyclictest25-21ksoftirqd/110:36:081
12138993529,4cyclictest25-21ksoftirqd/108:59:281
12138993529,4cyclictest25-21ksoftirqd/108:33:581
12138993529,4cyclictest25-21ksoftirqd/108:22:021
12137993530,3cyclictest9-21ksoftirqd/008:50:110
12137993530,3cyclictest9-21ksoftirqd/007:45:120
12137993529,4cyclictest9-21ksoftirqd/011:02:430
12137993528,5cyclictest9-21ksoftirqd/011:46:370
12140993428,4cyclictest41-21ksoftirqd/310:29:123
12140993428,4cyclictest41-21ksoftirqd/310:09:073
12140993428,4cyclictest41-21ksoftirqd/309:22:383
12140993428,4cyclictest41-21ksoftirqd/307:44:343
12140993428,4cyclictest41-21ksoftirqd/307:11:593
12139993429,3cyclictest33-21ksoftirqd/212:30:332
12139993429,3cyclictest33-21ksoftirqd/211:35:102
12139993429,3cyclictest33-21ksoftirqd/211:25:112
12139993429,3cyclictest33-21ksoftirqd/207:40:112
12139993428,4cyclictest33-21ksoftirqd/212:18:312
12139993428,4cyclictest33-21ksoftirqd/211:34:182
12139993428,4cyclictest33-21ksoftirqd/210:57:562
12138993429,3cyclictest25-21ksoftirqd/111:00:111
12138993429,3cyclictest25-21ksoftirqd/109:57:571
12138993428,4cyclictest25-21ksoftirqd/112:20:021
12138993428,4cyclictest25-21ksoftirqd/108:49:501
12138993428,4cyclictest25-21ksoftirqd/107:41:271
12138993427,4cyclictest25-21ksoftirqd/108:13:351
1213899340,2cyclictest121rcu_preempt11:56:021
12137993429,3cyclictest9-21ksoftirqd/011:20:000
12137993429,3cyclictest9-21ksoftirqd/008:50:000
12137993429,3cyclictest9-21ksoftirqd/008:14:430
12137993428,4cyclictest9-21ksoftirqd/007:44:260
12137993428,4cyclictest9-21ksoftirqd/007:22:280
12137993427,4cyclictest9-21ksoftirqd/007:34:200
12140993328,3cyclictest41-21ksoftirqd/310:20:103
12140993328,3cyclictest41-21ksoftirqd/309:34:563
12140993327,4cyclictest41-21ksoftirqd/310:49:503
12140993327,4cyclictest41-21ksoftirqd/309:42:473
12140993327,4cyclictest41-21ksoftirqd/309:17:533
12140993327,4cyclictest41-21ksoftirqd/308:58:223
12140993327,4cyclictest41-21ksoftirqd/307:51:483
1214099330,2cyclictest121rcu_preempt11:16:413
12139993328,3cyclictest33-21ksoftirqd/210:17:082
12139993328,3cyclictest33-21ksoftirqd/207:47:332
12139993327,4cyclictest33-21ksoftirqd/210:48:452
12139993327,4cyclictest33-21ksoftirqd/210:30:372
12139993327,4cyclictest33-21ksoftirqd/210:28:322
12139993327,4cyclictest33-21ksoftirqd/209:38:002
12139993327,4cyclictest33-21ksoftirqd/208:10:362
12139993326,4cyclictest33-21ksoftirqd/210:07:452
12138993329,2cyclictest25-21ksoftirqd/109:25:191
12138993327,4cyclictest25-21ksoftirqd/111:41:391
12138993327,4cyclictest25-21ksoftirqd/111:36:501
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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