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2026-06-24 - 23:22
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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 Wed Jun 24, 2026 12:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491207172,23phc2sys0-21swapper/307:06:253
63652205172,22sleep20-21swapper/207:07:442
64912203171,21sleep10-21swapper/107:09:241
62262201168,22sleep00-21swapper/007:06:000
139491138113,13phc2sys0-21swapper/307:10:023
14232580,2sleep10-21swapper/112:35:011
272642560,2sleep30-21swapper/312:20:143
139391560,1ptp4l401ktimersoftd/307:42:393
6835995520,8cyclictest41-21ksoftirqd/311:44:593
6835995319,8cyclictest41-21ksoftirqd/308:00:013
6833995246,4cyclictest10832-21cron08:25:001
6833995246,4cyclictest10832-21cron08:24:591
6835995119,9cyclictest41-21ksoftirqd/311:00:003
6835995117,8cyclictest41-21ksoftirqd/309:10:183
6835995116,4cyclictest41-21ksoftirqd/310:35:003
6835995115,9cyclictest41-21ksoftirqd/310:55:013
6835995020,8cyclictest41-21ksoftirqd/311:30:123
6835995019,3cyclictest41-21ksoftirqd/307:50:223
6835995019,3cyclictest41-21ksoftirqd/307:50:213
6835995018,8cyclictest41-21ksoftirqd/312:15:003
6835995017,9cyclictest41-21ksoftirqd/308:45:243
6835995015,10cyclictest41-21ksoftirqd/308:30:153
6835995014,8cyclictest41-21ksoftirqd/308:55:013
6835994917,8cyclictest41-21ksoftirqd/309:30:233
6835994916,8cyclictest41-21ksoftirqd/309:40:143
6835994816,8cyclictest41-21ksoftirqd/312:15:143
134491480,1getstats0-21swapper/310:35:073
6835994734,3cyclictest41-21ksoftirqd/309:00:013
6835994730,5cyclictest41-21ksoftirqd/309:09:593
6835994715,8cyclictest41-21ksoftirqd/308:00:143
6835994714,7cyclictest41-21ksoftirqd/308:15:123
6835994614,7cyclictest41-21ksoftirqd/310:05:193
6835994610,8cyclictest41-21ksoftirqd/309:20:263
6835994610,4cyclictest41-21ksoftirqd/308:05:173
6835994517,6cyclictest41-21ksoftirqd/312:10:013
6835994515,8cyclictest41-21ksoftirqd/310:40:273
6835994515,8cyclictest41-21ksoftirqd/310:10:183
6835994513,4cyclictest41-21ksoftirqd/311:55:233
6835994512,9cyclictest41-21ksoftirqd/308:25:173
6835994512,4cyclictest41-21ksoftirqd/312:30:163
6835994511,8cyclictest41-21ksoftirqd/309:15:243
6835994413,4cyclictest41-21ksoftirqd/307:20:133
139391440,0ptp4l401ktimersoftd/308:40:183
683599434,9cyclictest41-21ksoftirqd/311:10:013
6835994335,2cyclictest121rcu_preempt07:35:223
6835994330,3cyclictest41-21ksoftirqd/309:35:123
6835994313,8cyclictest41-21ksoftirqd/312:35:213
6835994313,8cyclictest41-21ksoftirqd/311:10:123
6835994310,6cyclictest41-21ksoftirqd/311:25:253
6835994310,4cyclictest41-21ksoftirqd/311:05:003
6834994338,3cyclictest784-21cron08:05:002
683599429,8cyclictest41-21ksoftirqd/307:30:013
683599427,11cyclictest41-21ksoftirqd/307:45:123
6835994229,10cyclictest41-21ksoftirqd/307:19:593
6835994211,7cyclictest41-21ksoftirqd/309:25:213
6835994211,4cyclictest41-21ksoftirqd/310:15:133
6835994210,5cyclictest41-21ksoftirqd/312:25:193
139391420,0ptp4l401ktimersoftd/311:51:153
139391420,0ptp4l401ktimersoftd/309:00:063
683599419,4cyclictest41-21ksoftirqd/308:35:153
683599418,11cyclictest41-21ksoftirqd/311:50:003
6835994130,4cyclictest41-21ksoftirqd/308:10:183
6835994112,8cyclictest41-21ksoftirqd/310:20:263
6835994111,8cyclictest41-21ksoftirqd/311:20:143
683299415,8cyclictest9-21ksoftirqd/012:05:200
683599409,4cyclictest41-21ksoftirqd/312:05:013
683599406,4cyclictest41-21ksoftirqd/311:15:133
6835994034,3cyclictest41-21ksoftirqd/310:00:003
6835994011,4cyclictest41-21ksoftirqd/309:45:263
6835993913,6cyclictest41-21ksoftirqd/307:35:013
6835993911,3cyclictest41-21ksoftirqd/311:37:203
683499390,4cyclictest12128-21latency_hist11:50:012
6832993934,3cyclictest9-21ksoftirqd/007:30:000
683599388,7cyclictest41-21ksoftirqd/310:45:183
6835993833,3cyclictest41-21ksoftirqd/310:00:173
683599381,34cyclictest21527-21latency_hist09:55:013
6834993831,4cyclictest33-21ksoftirqd/211:54:592
6833993832,4cyclictest25-21ksoftirqd/109:18:401
6833993832,4cyclictest25-21ksoftirqd/109:12:051
6833993831,5cyclictest25-21ksoftirqd/110:08:581
6832993835,2cyclictest9-21ksoftirqd/010:00:000
6832993834,2cyclictest9-21ksoftirqd/008:20:000
6832993833,3cyclictest9-21ksoftirqd/009:49:590
683499371,33cyclictest13966-21latency_hist07:25:002
6833993731,4cyclictest25-21ksoftirqd/111:51:561
6833993731,4cyclictest25-21ksoftirqd/107:31:411
6833993731,4cyclictest25-21ksoftirqd/107:20:581
6832993733,2cyclictest9-21ksoftirqd/010:35:010
6832993732,3cyclictest9-21ksoftirqd/012:20:010
57898370,3rtkit-daemon22126-21ls11:00:272
6835993630,3cyclictest41-21ksoftirqd/310:30:003
6835993629,3cyclictest41-21ksoftirqd/308:20:153
6835993629,3cyclictest41-21ksoftirqd/308:20:153
6834993630,4cyclictest33-21ksoftirqd/210:37:322
6834993630,4cyclictest33-21ksoftirqd/208:56:022
6834993629,5cyclictest33-21ksoftirqd/210:17:422
6834993615,19cyclictest9201-21unixbench_singl09:25:252
6834993613,21cyclictest11141-21ptp4l09:30:232
6834993613,20cyclictest31605-21/usr/sbin/munin12:30:132
683499360,5cyclictest551-21rs:main2
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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