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2024-06-19 - 16:40
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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 Wed Jun 19, 2024 00:46:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
476821750,8sleep1275099cyclictest20:20:301
22052131108,10sleep20-21swapper/219:07:232
1299911290,50ptp4l41-21ksoftirqd/319:08:553
648021000,8sleep3275299cyclictest19:15:323
56498890,62rtkit-daemon0-21swapper/019:07:230
267582880,3sleep30-21swapper/323:25:253
210662790,2sleep20-21swapper/200:20:322
2750997459,9cyclictest25-21ksoftirqd/122:55:111
129991670,1ptp4l401ktimersoftd/320:10:153
2752996552,9cyclictest41-21ksoftirqd/320:50:113
218026544,9sleep10-21swapper/119:07:091
2752996351,7cyclictest41-21ksoftirqd/321:20:113
2752996250,6cyclictest41-21ksoftirqd/320:15:113
2752996249,8cyclictest41-21ksoftirqd/322:45:113
2752996249,7cyclictest41-21ksoftirqd/300:10:103
180252620,4sleep20-21swapper/222:00:002
2752995949,6cyclictest41-21ksoftirqd/321:10:133
2752995949,6cyclictest41-21ksoftirqd/321:10:123
2752995947,6cyclictest41-21ksoftirqd/322:15:103
2752995947,6cyclictest41-21ksoftirqd/320:20:093
2752995643,6cyclictest41-21ksoftirqd/321:05:123
2752995642,8cyclictest41-21ksoftirqd/323:30:103
2752995541,7cyclictest41-21ksoftirqd/322:20:113
2752995439,8cyclictest41-21ksoftirqd/300:25:133
129991540,1ptp4l391rcuc/319:52:263
2750995338,8cyclictest25-21ksoftirqd/123:45:141
2752995240,7cyclictest41-21ksoftirqd/300:20:113
2750995246,3cyclictest25-21ksoftirqd/120:00:011
2752995136,7cyclictest41-21ksoftirqd/322:35:143
2752995136,7cyclictest41-21ksoftirqd/322:35:143
2750995138,7cyclictest25-21ksoftirqd/123:40:121
2750995135,9cyclictest25-21ksoftirqd/120:25:101
2752995038,7cyclictest41-21ksoftirqd/322:40:143
2752995036,8cyclictest41-21ksoftirqd/322:30:153
2750994943,3cyclictest25-21ksoftirqd/121:40:001
56498480,8rtkit-daemon0-21swapper/123:22:381
2752994842,3cyclictest41-21ksoftirqd/320:50:003
2752994836,7cyclictest41-21ksoftirqd/319:40:123
2752994836,7cyclictest41-21ksoftirqd/319:40:113
2750994843,3cyclictest25-21ksoftirqd/123:40:001
182552480,2sleep10-21swapper/119:40:351
182552480,2sleep10-21swapper/119:40:341
2752994741,3cyclictest41-21ksoftirqd/322:30:003
2752994741,3cyclictest41-21ksoftirqd/320:05:013
2752994740,3cyclictest41-21ksoftirqd/320:55:153
2750994742,3cyclictest25-21ksoftirqd/122:20:001
2750994741,4cyclictest25-21ksoftirqd/121:50:011
2750994741,4cyclictest25-21ksoftirqd/120:20:011
2749994732,12cyclictest9-21ksoftirqd/020:39:310
2752994640,4cyclictest41-21ksoftirqd/300:10:013
2752994640,4cyclictest41-21ksoftirqd/300:10:003
2752994640,3cyclictest41-21ksoftirqd/323:05:253
2752994640,3cyclictest41-21ksoftirqd/300:05:003
2752994640,3cyclictest41-21ksoftirqd/300:04:593
50972450,6sleep2275199cyclictest23:50:012
2752994539,3cyclictest41-21ksoftirqd/323:50:003
2752994539,3cyclictest41-21ksoftirqd/322:15:003
2752994538,4cyclictest41-21ksoftirqd/323:00:263
2752994532,10cyclictest41-21ksoftirqd/319:25:253
2750994540,3cyclictest25-21ksoftirqd/122:40:011
2750994540,3cyclictest25-21ksoftirqd/122:40:001
2750994540,3cyclictest25-21ksoftirqd/100:30:001
2750994539,3cyclictest25-21ksoftirqd/120:12:231
2752994438,3cyclictest41-21ksoftirqd/321:50:003
2752994437,4cyclictest41-21ksoftirqd/323:25:013
2752994437,4cyclictest41-21ksoftirqd/322:55:233
275299440,41cyclictest8432-21sshd21:37:523
2751994437,4cyclictest33-21ksoftirqd/200:33:262
2750994439,3cyclictest25-21ksoftirqd/120:55:261
2750994438,3cyclictest25-21ksoftirqd/119:35:001
2750994437,4cyclictest25-21ksoftirqd/123:05:351
2752994338,3cyclictest41-21ksoftirqd/323:55:003
2752994338,3cyclictest41-21ksoftirqd/322:10:003
2752994338,3cyclictest41-21ksoftirqd/320:40:253
2752994338,3cyclictest41-21ksoftirqd/320:34:593
2752994338,3cyclictest41-21ksoftirqd/300:00:003
2752994337,3cyclictest41-21ksoftirqd/300:40:013
2752994336,4cyclictest41-21ksoftirqd/319:10:343
2750994337,3cyclictest25-21ksoftirqd/123:25:321
2749994338,3cyclictest9-21ksoftirqd/019:17:210
2752994236,4cyclictest41-21ksoftirqd/323:15:223
2752994228,8cyclictest41-21ksoftirqd/321:55:123
275299420,3cyclictest121rcu_preempt19:55:213
2750994237,3cyclictest25-21ksoftirqd/100:00:281
2750994237,3cyclictest25-21ksoftirqd/100:00:281
2750994236,4cyclictest25-21ksoftirqd/122:50:241
2750994236,4cyclictest25-21ksoftirqd/122:40:331
2749994235,4cyclictest9-21ksoftirqd/023:15:240
2749994234,4cyclictest9-21ksoftirqd/020:05:050
2752994136,3cyclictest41-21ksoftirqd/319:35:373
2752994136,3cyclictest41-21ksoftirqd/300:35:003
2752994135,4cyclictest41-21ksoftirqd/320:35:223
2752994127,7cyclictest41-21ksoftirqd/322:50:113
2751994134,4cyclictest33-21ksoftirqd/222:05:212
2750994136,3cyclictest25-21ksoftirqd/123:00:261
2750994136,3cyclictest25-21ksoftirqd/121:55:341
2750994135,4cyclictest25-21ksoftirqd/120:50:171
2749994135,4cyclictest9-21ksoftirqd/023:30:110
2752994035,3cyclictest41-21ksoftirqd/323:40:313
2752994035,3cyclictest41-21ksoftirqd/321:40:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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