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2026-07-19 - 16:45
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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 Jul 19, 2026 12:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
173072236168,23sleep30-21swapper/307:07:473
173972213166,36sleep10-21swapper/107:08:581
171772206172,23sleep20-21swapper/207:06:052
173042202169,22sleep00-21swapper/007:07:440
2769521540,6sleep31778199cyclictest07:30:173
17780996631,9cyclictest33-21ksoftirqd/212:15:002
17780996629,8cyclictest33-21ksoftirqd/211:20:012
17780996329,10cyclictest33-21ksoftirqd/209:25:192
17780996228,6cyclictest33-21ksoftirqd/210:35:172
17780996226,8cyclictest33-21ksoftirqd/211:20:142
17780996129,8cyclictest33-21ksoftirqd/208:30:272
17780996128,10cyclictest33-21ksoftirqd/209:55:252
17780996127,4cyclictest33-21ksoftirqd/207:25:142
17780996029,5cyclictest33-21ksoftirqd/212:05:252
17780996029,4cyclictest33-21ksoftirqd/208:10:172
17780996028,9cyclictest33-21ksoftirqd/211:40:272
17780996027,9cyclictest33-21ksoftirqd/208:00:182
17780996027,9cyclictest33-21ksoftirqd/208:00:182
17780996027,5cyclictest33-21ksoftirqd/210:40:262
17780996027,5cyclictest33-21ksoftirqd/209:30:152
17780996021,8cyclictest33-21ksoftirqd/208:40:182
17780995924,8cyclictest33-21ksoftirqd/208:50:182
17780995923,5cyclictest33-21ksoftirqd/207:10:202
17780995919,10cyclictest33-21ksoftirqd/207:30:262
134391590,6getstats1778199cyclictest12:11:513
319042580,2sleep00-21swapper/007:40:000
244452580,5sleep224449-21timerwakeupswit11:50:282
17780995825,7cyclictest33-21ksoftirqd/207:45:002
17780995825,10cyclictest33-21ksoftirqd/209:45:172
17780995823,4cyclictest33-21ksoftirqd/210:50:162
17780995821,6cyclictest33-21ksoftirqd/211:25:252
17780995726,5cyclictest33-21ksoftirqd/212:00:142
17780995726,5cyclictest33-21ksoftirqd/212:00:132
17780995721,6cyclictest33-21ksoftirqd/211:30:142
139391570,8ptp4l401ktimersoftd/309:34:283
17780995628,4cyclictest33-21ksoftirqd/208:20:012
17780995624,9cyclictest33-21ksoftirqd/210:30:262
17780995623,9cyclictest33-21ksoftirqd/212:15:142
17780995623,5cyclictest33-21ksoftirqd/210:50:002
17780995622,6cyclictest33-21ksoftirqd/208:20:212
17780995621,5cyclictest33-21ksoftirqd/210:00:142
17780995621,5cyclictest33-21ksoftirqd/209:35:202
17780995620,5cyclictest33-21ksoftirqd/210:20:242
1778099555,5cyclictest33-21ksoftirqd/208:40:002
1778099554,6cyclictest33-21ksoftirqd/208:05:232
17780995524,9cyclictest33-21ksoftirqd/208:55:192
17780995523,9cyclictest33-21ksoftirqd/207:20:282
17780995522,6cyclictest33-21ksoftirqd/209:15:182
17780995522,6cyclictest33-21ksoftirqd/207:50:272
17780995519,6cyclictest33-21ksoftirqd/211:10:152
17780995519,6cyclictest33-21ksoftirqd/211:05:172
17780995426,6cyclictest33-21ksoftirqd/209:00:152
17780995425,7cyclictest33-21ksoftirqd/210:25:152
17780995423,6cyclictest33-21ksoftirqd/208:45:142
139391540,1ptp4l401ktimersoftd/308:26:353
17780995327,8cyclictest33-21ksoftirqd/208:30:012
17780995323,7cyclictest33-21ksoftirqd/212:25:272
17780995321,7cyclictest33-21ksoftirqd/210:10:132
17780995319,5cyclictest33-21ksoftirqd/211:45:222
1778099524,7cyclictest33-21ksoftirqd/207:20:002
1778099523,6cyclictest33-21ksoftirqd/212:20:262
17780995225,3cyclictest33-21ksoftirqd/212:35:012
124492520,2sleep00-21swapper/008:05:190
17780995121,3cyclictest33-21ksoftirqd/209:20:142
17780995021,4cyclictest33-21ksoftirqd/210:15:172
17780995019,8cyclictest33-21ksoftirqd/210:55:222
1778099494,4cyclictest33-21ksoftirqd/207:50:002
17780994919,3cyclictest33-21ksoftirqd/209:10:262
1778099486,7cyclictest33-21ksoftirqd/207:55:252
1778099485,6cyclictest33-21ksoftirqd/211:35:112
1778099483,8cyclictest33-21ksoftirqd/210:09:592
17780994823,3cyclictest33-21ksoftirqd/211:00:212
1778099481,6cyclictest33-21ksoftirqd/212:35:202
1778099481,6cyclictest33-21ksoftirqd/212:35:202
1778099476,3cyclictest33-21ksoftirqd/209:05:212
1778099473,5cyclictest33-21ksoftirqd/207:35:132
1778099473,4cyclictest33-21ksoftirqd/211:55:162
1778099466,2cyclictest33-21ksoftirqd/209:50:102
1778099465,2cyclictest33-21ksoftirqd/209:45:002
139391440,0ptp4l401ktimersoftd/310:38:363
1778199431,40cyclictest0-21swapper/307:50:523
17781994236,4cyclictest18857-21cron10:35:003
139391420,0ptp4l401ktimersoftd/312:27:083
139391410,0ptp4l401ktimersoftd/311:48:163
139391400,0ptp4l401ktimersoftd/309:25:283
17779993935,2cyclictest25-21ksoftirqd/109:05:001
17779993933,3cyclictest25-21ksoftirqd/108:55:201
1777999385,3cyclictest121rcu_preempt11:55:211
17779993832,3cyclictest25-21ksoftirqd/108:30:231
1777899380,2cyclictest57898rtkit-daemon11:45:130
1777999375,4cyclictest25-21ksoftirqd/107:30:011
1777999374,3cyclictest25-21ksoftirqd/111:30:191
17779993732,3cyclictest25-21ksoftirqd/108:35:181
17779993732,2cyclictest25-21ksoftirqd/111:15:131
17779993731,3cyclictest25-21ksoftirqd/110:50:191
17778993732,3cyclictest9-21ksoftirqd/011:20:010
1777899371,2cyclictest121rcu_preempt11:10:190
139391370,0ptp4l401ktimersoftd/310:54:263
17781993630,4cyclictest41-21ksoftirqd/311:55:333
17781993630,4cyclictest41-21ksoftirqd/310:00:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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