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2026-06-20 - 22:15
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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 Sat Jun 20, 2026 12:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
216522231165,22sleep00-21swapper/007:05:590
217272229162,22sleep20-21swapper/207:06:582
138591203169,22phc2sys0-21swapper/307:08:233
216182202168,23sleep10-21swapper/107:05:321
2446021750,4sleep32226599cyclictest12:39:593
138491650,1ptp4l401ktimersoftd/310:00:593
163682600,3sleep00-21swapper/010:10:240
138491600,52ptp4l0-21swapper/307:10:013
50798570,18rtkit-daemon8001-21uniq07:45:151
138491570,1ptp4l401ktimersoftd/311:25:223
138491570,1ptp4l401ktimersoftd/310:40:133
145412530,5sleep214544-21latency_hist09:04:592
130112530,2sleep30-21swapper/312:15:163
258512510,2sleep30-21swapper/307:15:213
258512510,2sleep30-21swapper/307:15:213
138491470,1ptp4l401ktimersoftd/312:11:413
22264994537,5cyclictest4581-21cron09:50:012
135191450,1getstats0-21swapper/309:24:213
138491440,0ptp4l401ktimersoftd/309:08:553
135191430,2getstats0-21swapper/310:39:223
138491420,1ptp4l401ktimersoftd/309:56:393
138491420,0ptp4l401ktimersoftd/308:18:243
138491410,1ptp4l401ktimersoftd/309:39:113
22264994035,3cyclictest33-21ksoftirqd/207:25:012
22262994035,3cyclictest12020-21cron09:00:000
138491400,0ptp4l401ktimersoftd/312:00:163
138491400,0ptp4l401ktimersoftd/311:22:063
22264993927,3cyclictest33-21ksoftirqd/210:27:162
138491390,1ptp4l0-21swapper/308:06:203
22265993832,3cyclictest41-21ksoftirqd/309:50:003
22265993831,4cyclictest41-21ksoftirqd/311:45:393
22264993833,3cyclictest33-21ksoftirqd/211:20:002
22264993833,3cyclictest33-21ksoftirqd/210:39:592
50798370,3rtkit-daemon16895-21sshd08:03:171
22265993732,3cyclictest41-21ksoftirqd/310:15:183
22265993732,3cyclictest2008-21ls10:50:013
22265993731,4cyclictest41-21ksoftirqd/308:56:153
22265993731,3cyclictest41-21ksoftirqd/311:10:003
22264993733,3cyclictest33-21ksoftirqd/207:55:192
22264993732,3cyclictest33-21ksoftirqd/208:45:012
22264993732,3cyclictest33-21ksoftirqd/208:25:002
22264993730,4cyclictest33-21ksoftirqd/208:35:072
22263993730,4cyclictest25-21ksoftirqd/111:39:361
22265993632,3cyclictest41-21ksoftirqd/311:30:273
22265993631,3cyclictest41-21ksoftirqd/310:25:263
22265993631,2cyclictest41-21ksoftirqd/307:55:133
22265993630,4cyclictest41-21ksoftirqd/310:55:533
22265993630,4cyclictest41-21ksoftirqd/308:25:223
22265993630,3cyclictest41-21ksoftirqd/309:35:003
22265993629,4cyclictest41-21ksoftirqd/311:50:133
22265993624,10cyclictest41-21ksoftirqd/309:25:143
22264993631,3cyclictest33-21ksoftirqd/212:30:122
22264993631,3cyclictest33-21ksoftirqd/208:50:012
22264993630,4cyclictest33-21ksoftirqd/212:27:512
22264993630,4cyclictest33-21ksoftirqd/212:14:042
22264993630,4cyclictest33-21ksoftirqd/209:27:032
22264993630,4cyclictest33-21ksoftirqd/207:42:322
22264993630,4cyclictest33-21ksoftirqd/207:12:032
22263993630,4cyclictest25-21ksoftirqd/112:37:291
22263993630,4cyclictest25-21ksoftirqd/112:14:221
22263993630,4cyclictest25-21ksoftirqd/111:22:471
22263993630,4cyclictest25-21ksoftirqd/108:26:361
22262993630,4cyclictest9-21ksoftirqd/008:45:530
22265993530,3cyclictest41-21ksoftirqd/311:40:193
22265993530,3cyclictest41-21ksoftirqd/311:10:183
22265993530,3cyclictest41-21ksoftirqd/308:00:233
22265993530,3cyclictest41-21ksoftirqd/307:25:013
22265993528,5cyclictest41-21ksoftirqd/309:17:123
22265993524,9cyclictest41-21ksoftirqd/307:30:233
22264993531,3cyclictest33-21ksoftirqd/212:00:002
22264993531,3cyclictest33-21ksoftirqd/211:45:002
22264993530,3cyclictest33-21ksoftirqd/212:08:172
22264993530,3cyclictest33-21ksoftirqd/210:05:132
22264993530,3cyclictest33-21ksoftirqd/209:55:182
22264993530,3cyclictest33-21ksoftirqd/209:10:182
22264993530,3cyclictest15234-21fschecks_count09:05:162
22264993530,2cyclictest33-21ksoftirqd/207:20:002
22264993530,2cyclictest33-21ksoftirqd/207:20:002
22264993529,4cyclictest33-21ksoftirqd/211:48:562
22264993529,4cyclictest33-21ksoftirqd/211:30:132
22264993529,4cyclictest33-21ksoftirqd/211:12:012
22263993530,3cyclictest25-21ksoftirqd/109:30:071
22263993529,4cyclictest25-21ksoftirqd/111:29:451
22263993528,4cyclictest25-21ksoftirqd/108:41:521
22262993530,3cyclictest9-21ksoftirqd/012:15:110
22262993530,3cyclictest9-21ksoftirqd/010:30:110
22262993530,3cyclictest9-21ksoftirqd/008:35:120
22262993529,4cyclictest9-21ksoftirqd/011:30:050
22262993529,4cyclictest9-21ksoftirqd/007:57:140
22262993521,5cyclictest9-21ksoftirqd/009:43:290
22262993521,5cyclictest9-21ksoftirqd/009:43:290
22265993430,3cyclictest41-21ksoftirqd/312:25:123
22265993430,3cyclictest41-21ksoftirqd/307:45:273
22265993430,2cyclictest41-21ksoftirqd/311:20:003
22265993429,3cyclictest41-21ksoftirqd/311:39:593
22265993429,3cyclictest41-21ksoftirqd/310:50:273
22265993429,3cyclictest41-21ksoftirqd/308:40:193
22265993429,3cyclictest41-21ksoftirqd/308:25:003
22265993428,4cyclictest41-21ksoftirqd/308:32:163
22265993428,3cyclictest41-21ksoftirqd/309:10:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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