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2026-09-06 - 23:18
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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 rackdslot4.osadl.org (updated Sun Sep 06, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
61022204170,22sleep00-21swapper/007:06:070
138591204171,22phc2sys0-21swapper/307:08:333
60532202170,21sleep20-21swapper/207:05:302
62032201168,22sleep10-21swapper/107:07:251
138591135110,14phc2sys0-21swapper/307:10:003
138491720,1ptp4l401ktimersoftd/310:25:233
135191610,5getstats670699cyclictest10:13:203
138491580,1ptp4l391rcuc/308:00:263
138491560,1ptp4l401ktimersoftd/308:27:263
40662550,7sleep1241ktimersoftd/111:25:121
226052540,5sleep222609-21irqrtprio07:40:192
138491510,1ptp4l401ktimersoftd/312:38:443
75792500,2sleep30-21swapper/308:15:183
6703994942,4cyclictest28333-21sh12:15:010
6704994841,4cyclictest16049-21cat11:49:591
138491440,0ptp4l401ktimersoftd/311:22:383
138491430,0ptp4l401ktimersoftd/310:55:083
138491420,0ptp4l401ktimersoftd/312:15:183
138491410,0ptp4l401ktimersoftd/311:26:483
138491410,0ptp4l401ktimersoftd/310:31:313
138491400,1ptp4l401ktimersoftd/311:59:073
6706993931,3cyclictest41-21ksoftirqd/307:49:223
6705993930,7cyclictest33-21ksoftirqd/209:52:212
6703993932,4cyclictest9-21ksoftirqd/012:36:030
6706993833,3cyclictest41-21ksoftirqd/309:00:013
6706993831,4cyclictest41-21ksoftirqd/309:34:463
6705993832,3cyclictest27555-21uname08:55:202
6704993832,4cyclictest25-21ksoftirqd/110:40:251
6703993833,3cyclictest9-21ksoftirqd/007:25:000
138491380,0ptp4l401ktimersoftd/308:50:193
6706993732,3cyclictest41-21ksoftirqd/311:45:063
6706993732,3cyclictest41-21ksoftirqd/309:25:173
6706993732,3cyclictest41-21ksoftirqd/308:32:523
6706993732,2cyclictest31328-21grep08:00:013
6706993731,4cyclictest41-21ksoftirqd/312:08:063
6706993731,4cyclictest41-21ksoftirqd/308:05:523
6704993730,4cyclictest28839-21cron07:55:001
6706993631,3cyclictest24583-21kworker/3:011:30:223
6706993630,3cyclictest41-21ksoftirqd/310:39:373
670599366,27cyclictest420-21rs:main2
6705993631,3cyclictest33-21ksoftirqd/211:22:442
6705993631,3cyclictest33-21ksoftirqd/209:32:232
6705993631,3cyclictest33-21ksoftirqd/209:22:212
6705993630,4cyclictest33-21ksoftirqd/210:46:022
6705993630,4cyclictest33-21ksoftirqd/209:39:462
6705993630,4cyclictest33-21ksoftirqd/208:15:462
6705993630,3cyclictest33-21ksoftirqd/212:10:062
6705993628,5cyclictest33-21ksoftirqd/210:29:592
670599361,5cyclictest30056-21memory10:05:202
670599361,5cyclictest30056-21memory10:05:202
6705993613,20cyclictest2110-21which10:15:162
6704993630,4cyclictest25-21ksoftirqd/112:29:071
6704993630,4cyclictest25-21ksoftirqd/112:18:511
6704993630,4cyclictest25-21ksoftirqd/110:19:371
6704993629,4cyclictest25-21ksoftirqd/112:03:421
6703993630,4cyclictest9-21ksoftirqd/011:01:080
6703993630,4cyclictest9-21ksoftirqd/009:03:090
6703993630,4cyclictest9-21ksoftirqd/008:35:090
6703993630,4cyclictest9-21ksoftirqd/008:17:520
6703993629,4cyclictest9-21ksoftirqd/008:11:500
6706993530,3cyclictest41-21ksoftirqd/311:15:003
6706993530,3cyclictest41-21ksoftirqd/311:15:003
6706993530,3cyclictest41-21ksoftirqd/309:45:003
6706993530,3cyclictest41-21ksoftirqd/309:07:113
6706993530,3cyclictest41-21ksoftirqd/308:40:003
6706993530,3cyclictest41-21ksoftirqd/307:20:003
6706993529,4cyclictest41-21ksoftirqd/307:40:363
6705993530,3cyclictest33-21ksoftirqd/212:15:322
6705993530,3cyclictest33-21ksoftirqd/211:55:082
6705993529,4cyclictest33-21ksoftirqd/211:51:092
6705993529,4cyclictest33-21ksoftirqd/211:17:502
6705993529,4cyclictest33-21ksoftirqd/209:27:022
6705993529,4cyclictest33-21ksoftirqd/208:30:542
6705993529,4cyclictest33-21ksoftirqd/207:22:542
6705993528,4cyclictest33-21ksoftirqd/211:02:462
6705993528,4cyclictest33-21ksoftirqd/207:39:032
6705993511,21cyclictest28872-21ls11:10:122
6705993511,21cyclictest28872-21ls11:10:122
670599350,32cyclictest8782-21sshd07:13:082
6704993530,3cyclictest25-21ksoftirqd/108:15:001
6704993529,4cyclictest25-21ksoftirqd/112:22:081
6704993529,4cyclictest25-21ksoftirqd/107:32:201
6703993531,3cyclictest9-21ksoftirqd/011:39:450
6703993530,3cyclictest9-21ksoftirqd/010:25:090
6703993529,4cyclictest9-21ksoftirqd/011:26:020
6703993529,4cyclictest9-21ksoftirqd/010:34:150
6703993528,4cyclictest9-21ksoftirqd/011:55:120
6703993527,5cyclictest9-21ksoftirqd/008:50:420
6706993429,3cyclictest41-21ksoftirqd/312:12:473
6706993429,3cyclictest41-21ksoftirqd/310:45:173
6706993429,3cyclictest41-21ksoftirqd/309:45:193
6706993429,3cyclictest41-21ksoftirqd/308:25:003
6706993429,3cyclictest41-21ksoftirqd/307:26:523
6706993429,3cyclictest41-21ksoftirqd/307:20:203
6706993428,4cyclictest41-21ksoftirqd/312:32:063
6706993428,4cyclictest41-21ksoftirqd/308:47:043
6706993419,13cyclictest18480-21cron11:54:593
6705993429,3cyclictest33-21ksoftirqd/208:02:052
6705993428,4cyclictest33-21ksoftirqd/212:37:382
6705993428,4cyclictest33-21ksoftirqd/210:01:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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