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2026-08-13 - 22:20
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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 rack7slot1.osadl.org (updated Thu Aug 13, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6529212160,56sleep20-21swapper/207:08:242
6365211653,58sleep10-21swapper/107:06:191
6487210950,21sleep00-21swapper/007:07:500
665329267,20sleep30-21swapper/307:09:553
217912680,3sleep228250-21stress11:20:192
217912680,3sleep228250-21stress11:20:192
265362650,1sleep228250-21stress10:16:562
265362650,1sleep228250-21stress10:16:562
6776994518,15cyclictest0-21swapper/209:20:012
6776994518,15cyclictest0-21swapper/209:20:012
677399425,26cyclictest0-21swapper/011:12:190
6775994114,25cyclictest0-21swapper/112:04:071
6775994114,25cyclictest0-21swapper/112:04:071
6775994011,15cyclictest0-21swapper/110:36:211
6777993911,25cyclictest0-21swapper/312:22:223
6776993919,18cyclictest0-21swapper/209:45:352
6776993918,18cyclictest0-21swapper/211:45:332
6777993811,24cyclictest0-21swapper/312:10:353
6776993818,18cyclictest0-21swapper/210:20:302
6776993818,18cyclictest0-21swapper/210:20:302
6776993818,17cyclictest0-21swapper/212:13:192
6776993818,17cyclictest0-21swapper/210:50:202
6776993816,19cyclictest0-21swapper/210:48:382
6775993810,26cyclictest0-21swapper/112:26:261
677399389,19cyclictest0-21swapper/009:48:130
170072385,13sleep00-21swapper/008:43:100
148752385,13sleep30-21swapper/308:39:293
124062385,13sleep00-21swapper/008:31:120
102082385,13sleep00-21swapper/008:25:590
85662375,13sleep30-21swapper/307:11:063
6776993719,15cyclictest0-21swapper/212:35:162
6776993719,15cyclictest0-21swapper/212:35:152
6776993719,15cyclictest0-21swapper/210:05:012
6776993718,16cyclictest0-21swapper/212:25:112
6776993718,16cyclictest0-21swapper/211:55:232
6776993718,16cyclictest0-21swapper/209:52:002
6776993716,18cyclictest0-21swapper/209:25:252
6775993716,19cyclictest0-21swapper/109:59:251
677399379,18cyclictest0-21swapper/010:20:240
677399379,18cyclictest0-21swapper/010:20:240
6773993717,17cyclictest0-21swapper/010:05:260
6773993714,20cyclictest0-21swapper/012:16:400
292452375,13sleep30-21swapper/307:56:453
271652375,13sleep00-21swapper/007:52:530
250862375,13sleep00-21swapper/007:49:290
237452375,12sleep10-21swapper/108:59:551
82332365,12sleep00-21swapper/008:23:570
6777993614,20cyclictest0-21swapper/310:13:173
6777993614,20cyclictest0-21swapper/310:13:173
6777993610,23cyclictest0-21swapper/310:37:343
6776993618,15cyclictest0-21swapper/212:00:252
6776993618,15cyclictest0-21swapper/212:00:252
6776993618,15cyclictest0-21swapper/211:30:092
6776993618,15cyclictest0-21swapper/211:15:232
6776993617,16cyclictest0-21swapper/212:30:232
6776993617,16cyclictest0-21swapper/212:30:222
6776993617,16cyclictest0-21swapper/211:50:322
6776993617,16cyclictest0-21swapper/211:10:192
6776993617,16cyclictest0-21swapper/210:40:202
6776993617,16cyclictest0-21swapper/210:10:252
6776993617,16cyclictest0-21swapper/210:10:252
6776993617,16cyclictest0-21swapper/209:43:552
6776993616,18cyclictest0-21swapper/209:20:202
6776993616,17cyclictest0-21swapper/209:10:352
6776993616,17cyclictest0-21swapper/209:10:342
6776993614,19cyclictest0-21swapper/212:05:152
6776993612,13cyclictest0-21swapper/211:00:182
677599369,24cyclictest0-21swapper/111:45:181
677399368,23cyclictest0-21swapper/009:00:110
6773993612,21cyclictest0-21swapper/012:29:340
6773993611,23cyclictest0-21swapper/010:52:320
6773993610,17cyclictest0-21swapper/011:41:120
35192365,13sleep10-21swapper/108:10:511
279452365,13sleep10-21swapper/109:07:101
279452365,13sleep10-21swapper/109:07:091
256262365,13sleep30-21swapper/309:00:343
212832365,12sleep00-21swapper/008:51:290
102012365,13sleep30-21swapper/308:25:533
88692355,12sleep10-21swapper/107:14:381
677799356,26cyclictest0-21swapper/309:15:303
677799356,26cyclictest0-21swapper/309:15:293
677699354,28cyclictest0-21swapper/210:08:062
677699353,29cyclictest0-21swapper/210:35:252
6776993518,15cyclictest0-21swapper/212:20:202
6776993518,14cyclictest0-21swapper/210:25:182
6776993516,17cyclictest0-21swapper/209:30:342
6776993516,16cyclictest0-21swapper/211:40:132
6776993516,16cyclictest0-21swapper/211:25:262
6776993516,16cyclictest0-21swapper/209:10:012
6776993516,16cyclictest0-21swapper/209:10:002
6775993515,18cyclictest0-21swapper/109:30:211
6775993515,17cyclictest0-21swapper/110:40:131
677399358,18cyclictest0-21swapper/012:06:420
677399357,23cyclictest0-21swapper/009:05:060
677399357,23cyclictest0-21swapper/009:05:060
677399356,19cyclictest0-21swapper/010:25:290
6773993514,19cyclictest0-21swapper/011:55:220
6773993514,18cyclictest0-21swapper/009:23:040
6773993513,19cyclictest0-21swapper/011:03:220
6773993512,21cyclictest0-21swapper/011:36:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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