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2026-09-20 - 03:00
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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 Sat Sep 19, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234242227165,20sleep00-21swapper/007:08:580
139491206172,22phc2sys0-21swapper/307:05:393
234462202169,22sleep20-21swapper/207:09:162
231732201168,22sleep10-21swapper/107:05:431
2847121360,6sleep32380599cyclictest11:45:253
23804997424,8cyclictest33-21ksoftirqd/210:50:272
23805997128,9cyclictest41-21ksoftirqd/311:45:013
23802996834,5cyclictest9-21ksoftirqd/012:30:000
23802996830,9cyclictest9-21ksoftirqd/007:35:150
23805996733,7cyclictest41-21ksoftirqd/311:35:013
23802996729,5cyclictest9-21ksoftirqd/008:45:000
23802996728,6cyclictest9-21ksoftirqd/007:15:000
23805996621,3cyclictest41-21ksoftirqd/308:20:163
23802996634,4cyclictest9-21ksoftirqd/012:25:000
23805996533,7cyclictest41-21ksoftirqd/312:15:223
23805996532,8cyclictest41-21ksoftirqd/310:40:313
23802996529,6cyclictest9-21ksoftirqd/009:05:000
23802996431,9cyclictest9-21ksoftirqd/007:35:010
23804996326,4cyclictest33-21ksoftirqd/210:45:232
23805996226,7cyclictest41-21ksoftirqd/309:30:293
23804996232,9cyclictest33-21ksoftirqd/211:00:172
23804996230,8cyclictest33-21ksoftirqd/207:35:272
23804996229,8cyclictest33-21ksoftirqd/207:20:222
23804996229,8cyclictest33-21ksoftirqd/207:20:002
23802996229,6cyclictest9-21ksoftirqd/007:55:000
23802996229,4cyclictest9-21ksoftirqd/011:55:000
23802996229,4cyclictest9-21ksoftirqd/010:45:000
23802996224,6cyclictest9-21ksoftirqd/009:15:200
23805996131,3cyclictest41-21ksoftirqd/308:25:203
23805996130,6cyclictest41-21ksoftirqd/311:25:183
23805996128,6cyclictest41-21ksoftirqd/312:20:133
23805996128,3cyclictest41-21ksoftirqd/307:50:013
23805996125,7cyclictest41-21ksoftirqd/312:00:013
23804996126,4cyclictest33-21ksoftirqd/209:05:012
23804996124,5cyclictest33-21ksoftirqd/210:00:242
23802996126,7cyclictest9-21ksoftirqd/008:55:250
23802996124,6cyclictest9-21ksoftirqd/009:50:000
23802996124,5cyclictest9-21ksoftirqd/011:05:000
23805996029,16cyclictest41-21ksoftirqd/311:05:143
23805996027,4cyclictest41-21ksoftirqd/309:00:133
23804996029,7cyclictest33-21ksoftirqd/210:35:152
23804996028,3cyclictest33-21ksoftirqd/211:10:272
23804996021,4cyclictest33-21ksoftirqd/209:35:262
23804996016,8cyclictest33-21ksoftirqd/208:53:442
23802996030,4cyclictest9-21ksoftirqd/007:25:180
23802996028,8cyclictest9-21ksoftirqd/009:55:150
23802996024,5cyclictest9-21ksoftirqd/010:40:000
93692590,2sleep00-21swapper/011:05:270
23805995928,3cyclictest41-21ksoftirqd/308:55:253
23804995924,4cyclictest33-21ksoftirqd/209:45:202
23802995930,6cyclictest9-21ksoftirqd/011:35:010
23802995928,8cyclictest9-21ksoftirqd/008:55:000
23802995928,4cyclictest9-21ksoftirqd/011:20:200
23802995926,4cyclictest9-21ksoftirqd/009:10:270
23802995925,6cyclictest9-21ksoftirqd/012:30:150
23802995925,5cyclictest9-21ksoftirqd/010:30:250
23802995924,9cyclictest9-21ksoftirqd/011:56:590
23802995923,6cyclictest9-21ksoftirqd/012:40:000
23802995923,4cyclictest9-21ksoftirqd/008:02:580
23802995922,8cyclictest9-21ksoftirqd/010:12:280
23802995922,6cyclictest9-21ksoftirqd/011:25:210
23802995920,8cyclictest9-21ksoftirqd/009:25:180
23805995829,6cyclictest41-21ksoftirqd/310:00:293
23805995829,4cyclictest41-21ksoftirqd/312:30:263
23805995828,8cyclictest41-21ksoftirqd/308:00:153
23805995828,3cyclictest41-21ksoftirqd/310:15:163
23805995827,4cyclictest41-21ksoftirqd/311:20:243
23805995826,7cyclictest41-21ksoftirqd/307:55:183
23805995826,4cyclictest41-21ksoftirqd/309:45:133
23805995825,7cyclictest41-21ksoftirqd/310:35:003
23805995824,7cyclictest41-21ksoftirqd/307:50:163
23805995822,6cyclictest41-21ksoftirqd/309:10:003
23805995821,8cyclictest41-21ksoftirqd/308:10:253
23805995817,8cyclictest41-21ksoftirqd/308:50:143
23804995828,4cyclictest33-21ksoftirqd/212:05:132
23804995827,8cyclictest33-21ksoftirqd/209:45:002
23804995827,3cyclictest33-21ksoftirqd/211:50:142
23804995825,8cyclictest33-21ksoftirqd/212:25:252
23804995825,6cyclictest33-21ksoftirqd/208:25:002
23804995824,4cyclictest33-21ksoftirqd/212:10:192
23804995823,9cyclictest33-21ksoftirqd/212:20:002
23802995828,8cyclictest9-21ksoftirqd/011:45:150
23802995826,6cyclictest9-21ksoftirqd/010:05:260
23802995826,4cyclictest9-21ksoftirqd/008:45:270
23802995825,5cyclictest9-21ksoftirqd/012:15:270
23802995825,5cyclictest9-21ksoftirqd/008:30:000
23802995824,5cyclictest9-21ksoftirqd/007:40:230
23802995823,5cyclictest9-21ksoftirqd/009:20:250
23802995823,5cyclictest9-21ksoftirqd/008:35:270
23802995821,7cyclictest9-21ksoftirqd/007:55:170
23802995821,4cyclictest9-21ksoftirqd/010:26:320
23802995820,5cyclictest9-21ksoftirqd/010:45:200
23805995725,4cyclictest41-21ksoftirqd/312:00:303
23805995721,6cyclictest41-21ksoftirqd/312:25:153
23805995720,10cyclictest41-21ksoftirqd/310:00:003
23804995730,3cyclictest33-21ksoftirqd/210:20:252
23804995727,4cyclictest33-21ksoftirqd/209:50:252
23804995725,9cyclictest33-21ksoftirqd/211:55:302
23804995725,4cyclictest33-21ksoftirqd/212:35:262
23804995723,4cyclictest33-21ksoftirqd/211:35:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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