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2026-05-03 - 19:38
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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 May 03, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491227165,50phc2sys0-21swapper/307:09:573
238602204170,22sleep10-21swapper/107:06:151
240292203170,22sleep00-21swapper/007:08:280
239482203169,23sleep20-21swapper/207:07:262
987221700,6sleep32444999cyclictest12:15:223
2415528363,11sleep00-21swapper/007:10:010
24448996734,5cyclictest33-21ksoftirqd/210:50:002
24448996733,5cyclictest33-21ksoftirqd/211:19:592
24448996531,7cyclictest33-21ksoftirqd/212:40:002
24448996529,7cyclictest33-21ksoftirqd/212:05:122
24448996425,6cyclictest33-21ksoftirqd/207:45:182
24448996330,5cyclictest33-21ksoftirqd/209:35:162
2444699630,22cyclictest17092-21cut12:30:230
2444699630,22cyclictest17092-21cut12:30:230
2444699630,21cyclictest8682-21date07:45:000
2444699630,21cyclictest18382-21date10:20:010
24448996231,6cyclictest33-21ksoftirqd/209:45:132
24448996231,5cyclictest33-21ksoftirqd/208:20:152
24448996229,5cyclictest33-21ksoftirqd/207:25:142
2444699620,22cyclictest20759-21date10:25:020
55452610,6sleep02444699cyclictest09:50:260
24448996129,4cyclictest33-21ksoftirqd/209:10:152
24448996129,4cyclictest33-21ksoftirqd/208:45:172
24448996128,5cyclictest33-21ksoftirqd/207:15:202
24448996127,5cyclictest33-21ksoftirqd/208:20:002
24448996126,4cyclictest33-21ksoftirqd/211:05:232
2444699610,21cyclictest20499-21date12:40:010
2444699610,21cyclictest17175-21date09:10:010
24448996028,5cyclictest33-21ksoftirqd/212:30:152
24448996028,5cyclictest33-21ksoftirqd/212:30:152
24448996028,5cyclictest33-21ksoftirqd/210:40:242
24448996027,5cyclictest33-21ksoftirqd/212:25:262
24448996027,5cyclictest33-21ksoftirqd/210:15:242
24448996026,6cyclictest33-21ksoftirqd/211:10:232
24448996026,4cyclictest33-21ksoftirqd/211:55:262
24448996026,3cyclictest33-21ksoftirqd/208:30:182
24448996025,4cyclictest33-21ksoftirqd/209:00:252
24448996024,6cyclictest33-21ksoftirqd/208:10:172
2444699600,20cyclictest3775-21cat12:05:010
24448995927,6cyclictest33-21ksoftirqd/210:10:192
24448995927,5cyclictest33-21ksoftirqd/209:50:252
24448995926,7cyclictest33-21ksoftirqd/207:30:202
24448995926,7cyclictest33-21ksoftirqd/207:30:202
24448995926,5cyclictest33-21ksoftirqd/210:50:232
24448995926,5cyclictest33-21ksoftirqd/208:40:182
24448995925,5cyclictest33-21ksoftirqd/211:25:252
24448995830,7cyclictest33-21ksoftirqd/208:05:012
24448995826,6cyclictest33-21ksoftirqd/209:15:132
24448995825,7cyclictest33-21ksoftirqd/208:55:162
24448995825,6cyclictest33-21ksoftirqd/211:30:132
24448995825,6cyclictest33-21ksoftirqd/208:25:232
24448995825,4cyclictest33-21ksoftirqd/207:10:192
24448995823,5cyclictest33-21ksoftirqd/212:15:242
2444699580,22cyclictest3306-21cat10:55:170
123242580,3sleep32444999cyclictest07:50:223
24448995730,7cyclictest33-21ksoftirqd/212:20:152
24448995730,6cyclictest33-21ksoftirqd/210:35:162
24448995726,3cyclictest33-21ksoftirqd/209:55:192
24448995725,5cyclictest33-21ksoftirqd/211:45:192
24448995724,6cyclictest33-21ksoftirqd/210:20:142
24448995723,6cyclictest33-21ksoftirqd/210:05:252
139391570,1ptp4l401ktimersoftd/307:46:223
24448995625,4cyclictest33-21ksoftirqd/210:30:182
24448995624,5cyclictest33-21ksoftirqd/210:55:232
24448995618,6cyclictest33-21ksoftirqd/207:40:152
139391560,1ptp4l401ktimersoftd/308:46:353
24448995532,6cyclictest33-21ksoftirqd/207:40:002
24448995523,4cyclictest33-21ksoftirqd/208:50:192
24448995521,5cyclictest33-21ksoftirqd/211:55:002
24448995424,6cyclictest33-21ksoftirqd/211:40:182
24448995424,5cyclictest33-21ksoftirqd/208:05:192
24448995423,4cyclictest33-21ksoftirqd/209:20:252
24448995420,4cyclictest33-21ksoftirqd/208:35:152
24448995337,8cyclictest33-21ksoftirqd/209:05:272
24448995333,17cyclictest33-21ksoftirqd/211:05:002
24448995324,4cyclictest33-21ksoftirqd/207:50:222
24448995222,4cyclictest33-21ksoftirqd/211:20:202
2444899521,6cyclictest23916-21turbostat11:40:002
2444899521,3cyclictest33-21ksoftirqd/210:05:002
24448995120,4cyclictest33-21ksoftirqd/209:40:132
24448995118,6cyclictest33-21ksoftirqd/209:25:142
24448995117,8cyclictest33-21ksoftirqd/212:00:142
24448995019,6cyclictest33-21ksoftirqd/210:25:172
24448994821,10cyclictest33-21ksoftirqd/209:30:252
2444899481,6cyclictest33-21ksoftirqd/207:20:142
2444699480,22cyclictest31287-21taskset09:39:500
312722460,2sleep10-21swapper/110:45:191
2444899463,6cyclictest33-21ksoftirqd/207:55:252
2444899461,8cyclictest33-21ksoftirqd/212:10:132
24447994638,5cyclictest31038-21idleruntime-cro11:55:001
139391460,1ptp4l401ktimersoftd/307:15:023
139391410,0ptp4l401ktimersoftd/308:35:013
139391410,0ptp4l401ktimersoftd/308:04:293
2444699400,26cyclictest207-21systemd-journal09:10:150
139391400,0ptp4l401ktimersoftd/309:50:493
24447993932,5cyclictest25-21ksoftirqd/109:05:001
24449993833,3cyclictest41-21ksoftirqd/309:59:593
24447993831,5cyclictest15517-21cron12:30:001
2444699381,18cyclictest0-21swapper/008:10:220
139391380,20ptp4l20259-21cron12:40:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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