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2026-09-06 - 07:37
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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 Sep 06, 2026 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2532322650,27sleep20-21swapper/219:05:182
139491230162,23phc2sys0-21swapper/319:09:543
265342229164,22sleep10-21swapper/119:07:331
265432207174,22sleep00-21swapper/019:07:390
2213521510,5sleep32701999cyclictest20:05:223
1394918866,11phc2sys0-21swapper/319:10:003
1394918866,11phc2sys0-21swapper/319:10:003
23022570,5sleep125-21ksoftirqd/122:50:001
152822560,5sleep015286-21timerandwakeup19:50:270
269312510,2sleep30-21swapper/321:25:143
27019995028,10cyclictest41-21ksoftirqd/323:05:253
105632500,1sleep00-21swapper/020:50:200
2701999483,7cyclictest41-21ksoftirqd/320:19:593
27019994715,8cyclictest41-21ksoftirqd/320:00:003
27019994715,8cyclictest41-21ksoftirqd/320:00:003
27019994714,7cyclictest41-21ksoftirqd/320:50:183
27019994538,4cyclictest16735-21sh23:20:003
27019994433,9cyclictest41-21ksoftirqd/323:20:203
27019994415,3cyclictest41-21ksoftirqd/320:25:293
27019994410,7cyclictest41-21ksoftirqd/323:25:233
27019994410,7cyclictest41-21ksoftirqd/323:25:233
27017994436,5cyclictest26267-21cron23:40:001
27019994314,4cyclictest41-21ksoftirqd/322:30:293
27019994310,5cyclictest41-21ksoftirqd/321:55:153
27017994336,4cyclictest6080-21cron21:50:001
2701799432,38cyclictest13136-21dump-pmu-power00:20:001
139391430,0ptp4l401ktimersoftd/322:07:453
27019994237,3cyclictest41-21ksoftirqd/319:35:003
27019994230,4cyclictest41-21ksoftirqd/321:25:013
27019994214,7cyclictest41-21ksoftirqd/323:55:013
27019994213,6cyclictest41-21ksoftirqd/323:15:003
27019994211,3cyclictest41-21ksoftirqd/322:15:273
139391420,1ptp4l401ktimersoftd/321:36:423
27019994114,7cyclictest41-21ksoftirqd/322:45:173
27019994112,3cyclictest41-21ksoftirqd/320:30:263
27016994134,4cyclictest12247-21wc23:10:140
27019994035,2cyclictest41-21ksoftirqd/323:00:003
27019994035,2cyclictest41-21ksoftirqd/323:00:003
27019994030,8cyclictest41-21ksoftirqd/319:20:283
27019994011,7cyclictest41-21ksoftirqd/321:00:003
27018994034,3cyclictest9593-21seq20:49:042
27016994023,15cyclictest9-21ksoftirqd/021:03:050
2701999396,8cyclictest41-21ksoftirqd/322:40:013
2701999395,4cyclictest41-21ksoftirqd/320:10:253
27019993927,9cyclictest41-21ksoftirqd/319:35:243
2701999387,3cyclictest41-21ksoftirqd/320:45:123
2701999385,4cyclictest41-21ksoftirqd/321:15:013
27019993833,3cyclictest41-21ksoftirqd/321:10:013
27019993833,2cyclictest41-21ksoftirqd/300:05:193
27019993832,4cyclictest41-21ksoftirqd/322:43:043
27019993831,4cyclictest41-21ksoftirqd/321:35:003
139391380,0ptp4l401ktimersoftd/322:00:243
2701999375,4cyclictest41-21ksoftirqd/300:05:003
2701999373,2cyclictest121rcu_preempt00:28:593
27019993726,8cyclictest41-21ksoftirqd/321:00:263
27019993724,10cyclictest41-21ksoftirqd/319:15:243
27017993731,3cyclictest25-21ksoftirqd/120:00:181
27017993730,4cyclictest25-21ksoftirqd/119:35:001
27016993731,4cyclictest9-21ksoftirqd/023:26:250
27016993731,4cyclictest9-21ksoftirqd/023:26:250
27016993729,3cyclictest9-21ksoftirqd/019:40:110
2701699370,5cyclictest1228-21apt-get23:55:120
2701999369,3cyclictest41-21ksoftirqd/300:20:153
2701999367,8cyclictest41-21ksoftirqd/300:31:423
2701999366,3cyclictest41-21ksoftirqd/323:55:193
2701999363,2cyclictest121rcu_preempt19:28:583
27019993632,2cyclictest41-21ksoftirqd/322:25:263
27019993632,2cyclictest41-21ksoftirqd/320:00:173
27019993631,3cyclictest41-21ksoftirqd/320:20:183
27019993631,3cyclictest41-21ksoftirqd/319:55:013
2701999362,4cyclictest41-21ksoftirqd/323:30:213
2701999362,3cyclictest121rcu_preempt19:40:143
27018993630,4cyclictest33-21ksoftirqd/219:42:502
27017993630,4cyclictest25-21ksoftirqd/122:20:111
27017993630,4cyclictest25-21ksoftirqd/120:58:511
27017993630,4cyclictest25-21ksoftirqd/119:38:161
27017993630,3cyclictest25-21ksoftirqd/100:15:001
27016993630,4cyclictest9-21ksoftirqd/022:00:200
27016993630,4cyclictest9-21ksoftirqd/021:29:070
2701999359,7cyclictest41-21ksoftirqd/323:45:013
2701999357,10cyclictest41-21ksoftirqd/320:40:253
2701999356,3cyclictest41-21ksoftirqd/300:18:053
2701999355,2cyclictest121rcu_preempt22:10:173
27019993531,2cyclictest41-21ksoftirqd/321:40:123
27019993530,3cyclictest41-21ksoftirqd/323:35:263
27019993530,3cyclictest41-21ksoftirqd/322:20:203
27019993530,3cyclictest41-21ksoftirqd/321:45:133
27019993530,3cyclictest41-21ksoftirqd/300:35:163
27019993526,3cyclictest41-21ksoftirqd/321:50:203
2701999352,10cyclictest41-21ksoftirqd/320:35:143
2701899353,17cyclictest15612-21cat22:10:002
27018993529,4cyclictest33-21ksoftirqd/222:14:302
27018993529,4cyclictest33-21ksoftirqd/219:39:492
27018993529,3cyclictest33-21ksoftirqd/221:15:122
27018993528,5cyclictest33-21ksoftirqd/223:01:362
27017993530,3cyclictest25-21ksoftirqd/122:50:161
27017993529,4cyclictest25-21ksoftirqd/123:56:591
27017993529,4cyclictest25-21ksoftirqd/123:25:341
27017993529,4cyclictest25-21ksoftirqd/123:25:341
27017993529,4cyclictest25-21ksoftirqd/123:23:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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