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2026-01-02 - 17:37
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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 Fri Jan 02, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26252234168,22sleep30-21swapper/307:08:173
27312207168,21sleep20-21swapper/207:09:332
27252202169,22sleep10-21swapper/107:09:281
24312201168,22sleep00-21swapper/007:06:210
3037521680,6sleep1306399cyclictest08:05:191
1766021590,6sleep3306599cyclictest09:55:013
644821390,6sleep2306499cyclictest09:30:152
325082650,3sleep10-21swapper/111:30:251
3064995535,3cyclictest10002-21perf07:25:002
284392520,2sleep00-21swapper/009:10:000
306399480,1cyclictest0-21swapper/111:10:241
3064994439,3cyclictest7586-21cron07:20:002
3064994438,4cyclictest1948-21cat10:30:012
3064994438,4cyclictest1948-21cat10:30:012
3064994329,12cyclictest12355-21cron07:30:002
139391430,0ptp4l401ktimersoftd/308:00:253
139391420,0ptp4l401ktimersoftd/312:15:423
139391420,0ptp4l401ktimersoftd/311:05:243
139391420,0ptp4l401ktimersoftd/310:45:483
139391420,0ptp4l401ktimersoftd/308:44:583
3065994132,5cyclictest41-21ksoftirqd/307:15:123
139391410,0ptp4l401ktimersoftd/311:20:413
139391410,0ptp4l401ktimersoftd/308:25:233
57898400,8rtkit-daemon0-21swapper/109:54:281
139391400,0ptp4l401ktimersoftd/308:10:133
306499392,34cyclictest24489-21tr09:00:182
3064993831,4cyclictest33-21ksoftirqd/212:12:422
3064993830,5cyclictest33-21ksoftirqd/210:35:012
3064993725,9cyclictest33-21ksoftirqd/210:11:322
3062993731,4cyclictest9-21ksoftirqd/012:35:090
3062993731,4cyclictest9-21ksoftirqd/011:40:100
3065993630,4cyclictest41-21ksoftirqd/311:47:053
3065993630,4cyclictest41-21ksoftirqd/310:08:033
3065993630,4cyclictest41-21ksoftirqd/307:56:503
3065993630,4cyclictest41-21ksoftirqd/307:56:503
3065993630,4cyclictest41-21ksoftirqd/307:11:083
3064993631,3cyclictest33-21ksoftirqd/212:30:032
3064993629,4cyclictest33-21ksoftirqd/212:36:412
3063993630,4cyclictest25-21ksoftirqd/110:32:401
3063993630,4cyclictest25-21ksoftirqd/108:52:531
3063993629,5cyclictest25-21ksoftirqd/107:49:541
3062993632,2cyclictest9-21ksoftirqd/012:30:000
1566823629,3sleep233-21ksoftirqd/212:05:132
3065993530,3cyclictest41-21ksoftirqd/311:19:593
3065993530,3cyclictest41-21ksoftirqd/310:00:303
3065993529,4cyclictest41-21ksoftirqd/312:07:383
3065993529,4cyclictest41-21ksoftirqd/311:01:563
3065993529,4cyclictest41-21ksoftirqd/310:39:533
3065993529,4cyclictest41-21ksoftirqd/307:54:503
3064993530,3cyclictest33-21ksoftirqd/210:35:112
3064993529,4cyclictest33-21ksoftirqd/212:01:472
3064993529,4cyclictest33-21ksoftirqd/208:22:532
3064993529,4cyclictest33-21ksoftirqd/207:13:492
3063993530,3cyclictest25-21ksoftirqd/109:45:121
3063993529,4cyclictest25-21ksoftirqd/111:38:271
3063993529,4cyclictest25-21ksoftirqd/110:59:571
3063993529,4cyclictest25-21ksoftirqd/109:32:241
3063993529,4cyclictest25-21ksoftirqd/109:09:211
3063993529,4cyclictest25-21ksoftirqd/108:33:461
3063993529,4cyclictest25-21ksoftirqd/107:31:091
3063993529,4cyclictest25-21ksoftirqd/107:20:291
3062993529,3cyclictest9-21ksoftirqd/008:05:010
3062993528,4cyclictest9-21ksoftirqd/010:35:130
3065993429,3cyclictest41-21ksoftirqd/310:42:423
3065993429,3cyclictest41-21ksoftirqd/309:55:443
3065993428,4cyclictest41-21ksoftirqd/309:34:273
3065993411,20cyclictest31750-21wc08:10:013
3064993428,4cyclictest33-21ksoftirqd/212:20:382
3064993428,4cyclictest33-21ksoftirqd/207:45:492
3063993428,4cyclictest25-21ksoftirqd/112:39:171
3063993428,4cyclictest25-21ksoftirqd/112:29:341
3063993428,4cyclictest25-21ksoftirqd/111:55:531
3063993428,4cyclictest25-21ksoftirqd/111:07:231
3063993428,4cyclictest25-21ksoftirqd/110:44:281
3063993428,4cyclictest25-21ksoftirqd/110:26:391
3063993428,4cyclictest25-21ksoftirqd/110:26:391
3063993428,4cyclictest25-21ksoftirqd/110:01:241
3063993428,4cyclictest25-21ksoftirqd/107:56:441
3063993428,4cyclictest25-21ksoftirqd/107:56:441
3063993428,4cyclictest25-21ksoftirqd/107:29:241
3062993429,3cyclictest9-21ksoftirqd/009:15:130
3062993429,3cyclictest9-21ksoftirqd/009:15:120
3062993428,4cyclictest9-21ksoftirqd/012:31:230
3062993428,4cyclictest9-21ksoftirqd/012:20:320
3062993428,4cyclictest9-21ksoftirqd/010:34:530
3062993428,3cyclictest9-21ksoftirqd/009:40:000
3062993427,4cyclictest9-21ksoftirqd/012:06:220
139391340,1ptp4l391rcuc/311:58:083
3065993327,4cyclictest41-21ksoftirqd/312:34:303
3065993327,4cyclictest41-21ksoftirqd/312:11:393
3065993327,4cyclictest41-21ksoftirqd/311:30:313
3065993327,4cyclictest41-21ksoftirqd/310:31:023
3065993327,4cyclictest41-21ksoftirqd/310:23:243
3064993328,3cyclictest33-21ksoftirqd/211:07:322
3064993327,4cyclictest33-21ksoftirqd/210:17:422
3064993327,4cyclictest33-21ksoftirqd/208:54:292
3064993327,4cyclictest33-21ksoftirqd/208:06:082
3063993328,3cyclictest25-21ksoftirqd/111:20:091
3063993328,3cyclictest25-21ksoftirqd/110:45:101
3063993327,4cyclictest25-21ksoftirqd/112:24:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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