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2024-04-18 - 20:27
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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 50 highest latencies:
System rackdslot4.osadl.org (updated Thu Apr 18, 2024 12:46:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
277812161138,10sleep10-21swapper/107:06:351
1299911370,111ptp4l35192irq/88-enp1s0-T07:06:413
56498900,15rtkit-daemon0-21swapper/007:09:510
84362820,6sleep22833999cyclictest12:10:152
28339997466,5cyclictest33-21ksoftirqd/208:25:142
28339997366,4cyclictest33-21ksoftirqd/210:45:112
28339997366,4cyclictest33-21ksoftirqd/210:45:102
28339997366,4cyclictest33-21ksoftirqd/208:05:122
28339997265,4cyclictest33-21ksoftirqd/210:50:092
28339997265,4cyclictest33-21ksoftirqd/210:50:082
28339997263,5cyclictest33-21ksoftirqd/208:30:102
277772724,55sleep20-21swapper/207:06:332
28339997151,10cyclictest33-21ksoftirqd/210:05:162
28339996962,4cyclictest33-21ksoftirqd/210:40:122
28339996962,4cyclictest33-21ksoftirqd/207:35:132
28339996936,7cyclictest33-21ksoftirqd/209:15:332
28339996936,4cyclictest33-21ksoftirqd/210:55:172
28339996928,10cyclictest33-21ksoftirqd/208:40:002
28339996861,4cyclictest33-21ksoftirqd/212:15:122
28339996861,4cyclictest33-21ksoftirqd/212:15:112
28339996861,4cyclictest33-21ksoftirqd/209:50:122
28339996835,4cyclictest33-21ksoftirqd/211:20:272
28339996833,4cyclictest33-21ksoftirqd/211:30:292
28339996827,7cyclictest33-21ksoftirqd/207:45:292
28339996760,4cyclictest33-21ksoftirqd/209:05:112
28339996736,7cyclictest33-21ksoftirqd/208:50:272
28339996735,7cyclictest33-21ksoftirqd/211:05:012
28339996734,4cyclictest33-21ksoftirqd/207:30:182
28339996733,4cyclictest33-21ksoftirqd/212:25:032
28339996733,4cyclictest33-21ksoftirqd/207:20:312
28339996732,4cyclictest33-21ksoftirqd/212:07:382
28339996732,4cyclictest33-21ksoftirqd/208:13:012
28337996731,9cyclictest9-21ksoftirqd/011:20:130
28339996659,4cyclictest33-21ksoftirqd/211:35:122
28339996635,7cyclictest33-21ksoftirqd/212:35:002
28339996635,7cyclictest33-21ksoftirqd/212:00:302
28339996635,7cyclictest33-21ksoftirqd/209:10:202
28339996634,7cyclictest33-21ksoftirqd/207:55:202
28339996634,7cyclictest33-21ksoftirqd/207:55:202
28339996633,4cyclictest33-21ksoftirqd/212:23:342
28339996633,4cyclictest33-21ksoftirqd/209:55:012
28339996633,4cyclictest33-21ksoftirqd/209:35:282
28339996623,5cyclictest33-21ksoftirqd/208:20:182
28339996560,3cyclictest33-21ksoftirqd/210:35:042
28339996534,7cyclictest33-21ksoftirqd/212:35:252
28339996533,4cyclictest33-21ksoftirqd/210:20:242
28339996525,7cyclictest33-21ksoftirqd/209:20:132
279582650,7sleep02833799cyclictest10:35:010
28339996356,4cyclictest33-21ksoftirqd/208:15:052
28339996333,7cyclictest33-21ksoftirqd/210:25:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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