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2026-06-08 - 07:21
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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 Mon Jun 08, 2026 00:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2143321280,1sleep212032-21stress21:30:182
23256212766,55sleep20-21swapper/219:05:442
2041821240,1sleep212032-21stress21:27:042
2041821240,1sleep212032-21stress21:27:042
23267211854,58sleep30-21swapper/319:05:533
23295210950,20sleep00-21swapper/019:06:140
23232210651,50sleep10-21swapper/119:05:271
170042460,1sleep312030-21stress23:50:063
170042460,1sleep312030-21stress23:50:063
23699994315,25cyclictest0-21swapper/022:47:370
23699994213,26cyclictest0-21swapper/023:27:430
256352405,13sleep20-21swapper/219:12:382
23702994025,13cyclictest0-21swapper/322:52:483
2369999409,24cyclictest0-21swapper/020:53:140
23699994017,20cyclictest0-21swapper/021:48:150
23699994014,24cyclictest0-21swapper/023:32:010
23699994014,20cyclictest0-21swapper/021:37:200
23702993924,13cyclictest0-21swapper/300:12:573
23702993919,17cyclictest0-21swapper/323:58:373
23699993915,18cyclictest0-21swapper/020:58:150
23699993913,20cyclictest0-21swapper/019:25:300
35432385,13sleep20-21swapper/220:50:022
256862385,13sleep10-21swapper/119:13:171
23702993823,13cyclictest0-21swapper/300:26:023
23702993817,18cyclictest0-21swapper/322:05:193
23702993816,19cyclictest0-21swapper/323:40:253
23702993816,19cyclictest0-21swapper/321:20:013
23700993810,25cyclictest0-21swapper/123:15:281
23699993816,19cyclictest0-21swapper/023:20:350
23699993816,19cyclictest0-21swapper/022:35:080
23699993815,21cyclictest0-21swapper/023:53:370
23699993815,21cyclictest0-21swapper/023:53:370
23699993815,21cyclictest0-21swapper/021:50:060
23699993814,22cyclictest0-21swapper/021:15:170
23699993814,22cyclictest0-21swapper/000:30:430
23699993814,21cyclictest0-21swapper/023:05:040
23699993814,21cyclictest0-21swapper/023:05:040
23699993814,21cyclictest0-21swapper/000:05:060
23699993812,20cyclictest0-21swapper/019:31:340
203092385,13sleep00-21swapper/020:14:350
4922375,13sleep20-21swapper/219:27:142
308872375,13sleep20-21swapper/219:24:022
286712375,13sleep20-21swapper/220:30:332
23702993723,12cyclictest0-21swapper/300:23:463
23702993721,14cyclictest0-21swapper/323:15:203
23702993719,15cyclictest0-21swapper/321:10:253
23702993716,18cyclictest0-21swapper/322:20:283
23702993715,19cyclictest0-21swapper/323:35:153
23702993715,19cyclictest0-21swapper/322:30:203
23702993715,19cyclictest0-21swapper/322:30:193
23699993716,19cyclictest0-21swapper/022:08:150
23699993716,18cyclictest0-21swapper/021:25:090
23699993716,18cyclictest0-21swapper/021:25:080
23699993716,13cyclictest0-21swapper/021:22:110
23699993715,19cyclictest0-21swapper/023:45:480
23699993715,19cyclictest0-21swapper/023:45:480
23699993715,19cyclictest0-21swapper/022:10:030
23699993715,13cyclictest0-21swapper/019:35:190
23699993714,20cyclictest0-21swapper/022:50:120
181882375,13sleep20-21swapper/220:09:442
181172375,13sleep10-21swapper/120:08:511
118392375,13sleep00-21swapper/021:08:370
266732365,12sleep20-21swapper/220:27:202
266672365,13sleep10-21swapper/120:27:151
266172365,12sleep00-21swapper/020:26:380
23702993618,16cyclictest0-21swapper/321:50:233
23702993618,15cyclictest0-21swapper/321:45:273
23702993617,17cyclictest0-21swapper/322:10:263
23702993617,16cyclictest0-21swapper/323:00:113
23702993617,16cyclictest0-21swapper/322:35:173
23702993617,16cyclictest0-21swapper/321:35:183
23702993616,18cyclictest0-21swapper/300:30:153
23701993615,19cyclictest0-21swapper/222:00:342
23700993612,21cyclictest0-21swapper/123:30:491
23699993616,18cyclictest0-21swapper/023:10:070
23699993616,17cyclictest0-21swapper/000:00:320
23699993614,19cyclictest0-21swapper/022:55:180
23699993614,17cyclictest0-21swapper/019:50:200
23699993613,20cyclictest0-21swapper/000:20:130
23699993613,15cyclictest0-21swapper/023:15:280
202862365,12sleep10-21swapper/120:14:201
159442365,12sleep00-21swapper/020:04:050
7432355,10sleep00-21swapper/020:41:430
7432355,10sleep00-21swapper/020:41:420
73282355,10sleep20-21swapper/220:56:092
71752355,10sleep20-21swapper/219:42:412
309042355,13sleep20-21swapper/220:35:422
23702993517,16cyclictest0-21swapper/322:00:243
23702993517,15cyclictest0-21swapper/322:25:233
23702993517,15cyclictest0-21swapper/300:06:213
23702993516,16cyclictest0-21swapper/300:15:253
23702993515,17cyclictest0-21swapper/323:10:173
23702993515,17cyclictest0-21swapper/300:00:413
23701993510,22cyclictest0-21swapper/223:33:172
2370099356,18cyclictest0-21swapper/121:03:061
23700993510,13cyclictest0-21swapper/120:16:161
23699993515,18cyclictest0-21swapper/021:55:280
23699993514,19cyclictest0-21swapper/021:40:200
23699993514,16cyclictest0-21swapper/020:16:170
23699993513,19cyclictest0-21swapper/000:29:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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