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2026-09-08 - 08:41
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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 Tue Sep 08, 2026 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3244721220,1sleep212673-21stress00:19:462
22646212056,23sleep30-21swapper/319:06:243
22646212056,23sleep30-21swapper/319:06:233
22599211552,58sleep00-21swapper/019:05:480
22599211552,58sleep00-21swapper/019:05:470
483821140,1sleep012671-21stress00:30:010
22772211352,56sleep10-21swapper/119:07:541
22772211352,56sleep10-21swapper/119:07:531
2276329668,23sleep20-21swapper/219:07:472
2276329668,23sleep20-21swapper/219:07:462
2305399706,47cyclictest0-21swapper/022:30:240
2305399677,44cyclictest0-21swapper/023:26:180
2305399676,49cyclictest0-21swapper/022:35:160
2305399676,49cyclictest0-21swapper/000:35:170
2305399676,46cyclictest0-21swapper/000:19:440
2305399676,45cyclictest0-21swapper/023:35:150
2305399676,43cyclictest0-21swapper/022:00:150
2305399666,48cyclictest0-21swapper/021:55:150
2305399666,43cyclictest0-21swapper/022:55:310
2305399666,43cyclictest0-21swapper/022:05:290
2305399666,43cyclictest0-21swapper/022:05:280
2305399666,43cyclictest0-21swapper/021:50:320
2305399657,43cyclictest0-21swapper/022:10:250
2305399656,48cyclictest0-21swapper/000:20:270
2305399656,47cyclictest0-21swapper/023:20:180
2305399656,46cyclictest0-21swapper/021:25:350
2305399656,46cyclictest0-21swapper/021:25:340
2305399656,43cyclictest0-21swapper/000:10:260
2305399656,42cyclictest0-21swapper/023:45:190
2305399656,42cyclictest0-21swapper/023:45:190
2305399646,47cyclictest0-21swapper/021:45:170
2305399646,46cyclictest0-21swapper/023:10:200
2305399646,46cyclictest0-21swapper/023:10:190
2305399646,46cyclictest0-21swapper/023:07:120
2305399646,46cyclictest0-21swapper/021:40:250
2305399646,46cyclictest0-21swapper/021:35:300
2305399636,46cyclictest0-21swapper/021:30:290
2305399636,41cyclictest0-21swapper/023:50:400
2305399636,41cyclictest0-21swapper/023:50:400
2305399626,45cyclictest0-21swapper/023:15:250
2305399626,44cyclictest0-21swapper/022:50:200
2305399626,43cyclictest0-21swapper/000:00:160
2305399626,41cyclictest0-21swapper/022:25:280
2305399625,45cyclictest0-21swapper/023:55:150
2305399625,45cyclictest0-21swapper/023:55:150
2305399616,45cyclictest0-21swapper/023:30:230
2305399616,44cyclictest0-21swapper/022:20:350
2305399616,44cyclictest0-21swapper/021:15:140
2305399616,44cyclictest0-21swapper/000:05:270
2305399616,43cyclictest0-21swapper/022:15:270
2305399616,39cyclictest0-21swapper/023:40:290
2305399606,38cyclictest0-21swapper/021:20:250
2305399555,34cyclictest0-21swapper/023:00:240
2305399555,34cyclictest0-21swapper/023:00:230
2305399535,36cyclictest0-21swapper/019:20:000
2305399515,16cyclictest0-21swapper/019:31:240
2305399506,41cyclictest0-21swapper/022:45:260
2305399495,16cyclictest0-21swapper/019:40:210
2305399495,15cyclictest0-21swapper/020:33:030
2305399486,39cyclictest0-21swapper/022:40:200
2305399486,39cyclictest0-21swapper/022:40:190
2305399485,13cyclictest0-21swapper/020:04:050
2305399475,26cyclictest0-21swapper/020:24:430
2305399475,22cyclictest0-21swapper/000:29:590
2305399475,15cyclictest0-21swapper/019:57:030
2305399475,15cyclictest0-21swapper/019:13:320
2305399466,19cyclictest0-21swapper/021:10:220
2305399465,16cyclictest0-21swapper/019:25:230
2305399465,14cyclictest0-21swapper/020:12:420
2305399463,34cyclictest147-21usb-storage21:05:010
2305399458,15cyclictest0-21swapper/020:40:150
2305399458,15cyclictest0-21swapper/020:25:060
2305399455,38cyclictest0-21swapper/021:05:160
2305399455,15cyclictest0-21swapper/020:55:230
2305399455,14cyclictest0-21swapper/019:46:520
2305399439,32cyclictest0-21swapper/019:53:380
2305399438,15cyclictest0-21swapper/020:45:050
2305399436,25cyclictest0-21swapper/019:35:230
2305399435,32cyclictest0-21swapper/020:37:530
301762420,1sleep112673-21stress21:47:171
2305799427,19cyclictest0-21swapper/200:33:502
23054994211,28cyclictest0-21swapper/122:11:571
2305399428,32cyclictest0-21swapper/020:53:530
2305399426,20cyclictest0-21swapper/020:05:220
2305399425,13cyclictest0-21swapper/019:21:550
2305399423,22cyclictest0-21swapper/020:15:010
23057994114,24cyclictest0-21swapper/221:13:172
23058994011,26cyclictest0-21swapper/323:06:123
2305499405,21cyclictest0-21swapper/123:25:351
103332405,14sleep10-21swapper/121:04:221
67932395,14sleep30-21swapper/319:40:573
23054993913,24cyclictest0-21swapper/121:11:141
23054993911,25cyclictest0-21swapper/123:49:081
23054993911,25cyclictest0-21swapper/123:49:081
158442395,14sleep10-21swapper/120:03:311
245092384,13sleep10-21swapper/120:20:441
244902384,14sleep30-21swapper/320:20:293
2305899389,26cyclictest0-21swapper/300:24:523
23058993814,21cyclictest0-21swapper/322:05:353
23058993814,21cyclictest0-21swapper/322:05:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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