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2024-10-09 - 03:28
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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 Tue Oct 08, 2024 12:46:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
154421800,8sleep33248299cyclictest10:35:253
1241911260,54ptp4l41-21ksoftirqd/307:07:533
32481998980,4cyclictest33-21ksoftirqd/209:00:112
32481998576,6cyclictest33-21ksoftirqd/209:40:112
32481998474,6cyclictest33-21ksoftirqd/211:55:112
32481998173,5cyclictest33-21ksoftirqd/208:45:112
32481998072,5cyclictest33-21ksoftirqd/211:15:112
32481998071,5cyclictest33-21ksoftirqd/208:00:112
32481997869,5cyclictest33-21ksoftirqd/207:20:122
32481997770,4cyclictest33-21ksoftirqd/207:25:112
32481997769,5cyclictest33-21ksoftirqd/207:40:112
32481997665,7cyclictest33-21ksoftirqd/210:10:112
311802760,5sleep131184-21needreboot07:05:231
32481997564,7cyclictest33-21ksoftirqd/212:30:112
286382750,2sleep00-21swapper/011:35:110
32481997464,6cyclictest33-21ksoftirqd/210:45:112
32481997261,7cyclictest33-21ksoftirqd/211:05:112
32481997260,8cyclictest33-21ksoftirqd/212:35:122
3213827151,9sleep20-21swapper/207:09:242
318742665,11sleep00-21swapper/007:05:560
57298640,23rtkit-daemon26811-21ptp4l10:20:241
32481996459,3cyclictest33-21ksoftirqd/207:30:052
124191610,1ptp4l401ktimersoftd/311:57:213
61182600,4sleep029602-21kworker/0:007:20:250
32481996053,4cyclictest33-21ksoftirqd/210:50:042
124191600,1ptp4l401ktimersoftd/310:59:313
32481995946,7cyclictest33-21ksoftirqd/208:35:112
124191580,1ptp4l401ktimersoftd/312:18:123
124191580,1ptp4l401ktimersoftd/312:10:443
124191580,1ptp4l401ktimersoftd/307:25:323
32481995751,3cyclictest33-21ksoftirqd/211:50:312
32481995750,4cyclictest33-21ksoftirqd/209:25:012
32481995750,4cyclictest33-21ksoftirqd/208:19:592
32481995748,5cyclictest33-21ksoftirqd/209:25:112
3247999572,51cyclictest26721-21grep11:30:160
3247999572,51cyclictest26721-21grep11:30:150
32481995650,4cyclictest33-21ksoftirqd/209:50:002
32481995649,4cyclictest33-21ksoftirqd/208:10:002
32481995645,7cyclictest33-21ksoftirqd/212:25:132
32481995644,10cyclictest33-21ksoftirqd/210:05:222
3012560,31sleep341-21ksoftirqd/308:15:283
132902560,2sleep20-21swapper/212:10:172
3248299541,49cyclictest19708-21cron09:00:003
32481995448,3cyclictest33-21ksoftirqd/207:15:142
32481995447,4cyclictest33-21ksoftirqd/209:19:592
32481995348,3cyclictest33-21ksoftirqd/210:35:282
32481995347,4cyclictest33-21ksoftirqd/207:55:002
32481995346,4cyclictest33-21ksoftirqd/209:35:002
32481995346,3cyclictest33-21ksoftirqd/208:55:132
57298520,2rtkit-daemon0-21swapper/107:39:451
32481995247,3cyclictest33-21ksoftirqd/208:00:002
32481995243,5cyclictest571-21rtkit-daemon12:05:112
32480995233,16cyclictest25-21ksoftirqd/110:54:181
32481995146,3cyclictest33-21ksoftirqd/207:49:592
32481995145,3cyclictest33-21ksoftirqd/210:55:202
32481995138,10cyclictest33-21ksoftirqd/207:35:312
32480995131,17cyclictest25-21ksoftirqd/109:29:241
32480995131,17cyclictest25-21ksoftirqd/108:00:321
124191510,1ptp4l391rcuc/309:59:513
124191510,1ptp4l391rcuc/309:59:503
32481995045,3cyclictest33-21ksoftirqd/210:00:122
32481995044,3cyclictest33-21ksoftirqd/211:40:002
32481995044,3cyclictest33-21ksoftirqd/208:25:302
32481995043,4cyclictest33-21ksoftirqd/210:25:012
32481995043,4cyclictest33-21ksoftirqd/208:35:012
32480995033,14cyclictest25-21ksoftirqd/108:06:061
57298490,11rtkit-daemon0-21swapper/110:40:361
32481994944,3cyclictest33-21ksoftirqd/211:20:282
32481994944,3cyclictest33-21ksoftirqd/209:55:002
32481994944,3cyclictest33-21ksoftirqd/208:55:012
32481994943,4cyclictest33-21ksoftirqd/209:10:202
32481994943,3cyclictest33-21ksoftirqd/212:15:152
32481994943,3cyclictest33-21ksoftirqd/209:55:142
32481994943,3cyclictest33-21ksoftirqd/209:55:132
32481994943,3cyclictest33-21ksoftirqd/208:10:282
32481994942,4cyclictest33-21ksoftirqd/209:05:282
32481994914,4cyclictest33-21ksoftirqd/211:45:292
32481994912,4cyclictest33-21ksoftirqd/210:25:132
32480994930,3cyclictest25-21ksoftirqd/108:55:131
32479994943,4cyclictest9-21ksoftirqd/007:45:000
32481994843,3cyclictest33-21ksoftirqd/211:30:272
32481994843,3cyclictest33-21ksoftirqd/211:30:262
32481994843,3cyclictest33-21ksoftirqd/208:40:252
32481994842,4cyclictest33-21ksoftirqd/211:25:102
32481994842,4cyclictest33-21ksoftirqd/211:05:002
32481994833,11cyclictest33-21ksoftirqd/211:10:242
32480994829,4cyclictest25-21ksoftirqd/107:32:231
32479994841,4cyclictest9-21ksoftirqd/011:50:000
32481994741,3cyclictest33-21ksoftirqd/210:30:202
32481994741,3cyclictest33-21ksoftirqd/209:35:132
32481994740,4cyclictest33-21ksoftirqd/211:40:112
32480994731,12cyclictest25-21ksoftirqd/111:20:121
32480994727,4cyclictest25-21ksoftirqd/111:39:491
32479994730,14cyclictest9-21ksoftirqd/010:12:340
124191470,1ptp4l401ktimersoftd/308:34:553
57298460,8rtkit-daemon0-21swapper/110:40:011
32482994633,7cyclictest41-21ksoftirqd/311:40:133
32481994615,7cyclictest33-21ksoftirqd/210:40:162
124191460,1ptp4l401ktimersoftd/311:15:243
32481994539,3cyclictest33-21ksoftirqd/208:25:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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