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2026-04-02 - 08:01
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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 Apr 02, 2026 00:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2278121160,1sleep232271-21stress23:17:292
12190211454,55sleep10-21swapper/119:07:121
12311211352,55sleep30-21swapper/319:08:463
12308211051,54sleep00-21swapper/019:08:430
1217629365,23sleep20-21swapper/219:07:002
12509995810,25cyclictest0-21swapper/123:42:361
1250999519,23cyclictest0-21swapper/123:46:581
12509995114,19cyclictest0-21swapper/122:02:261
12509994910,22cyclictest0-21swapper/100:16:201
300192395,14sleep30-21swapper/319:46:433
1251099398,28cyclictest0-21swapper/222:15:262
12509993815,21cyclictest0-21swapper/122:44:111
262982375,12sleep30-21swapper/319:40:063
236472375,13sleep30-21swapper/319:31:483
233122375,13sleep30-21swapper/320:45:503
1251099375,25cyclictest0-21swapper/221:01:462
12510993718,16cyclictest0-21swapper/222:38:342
12509993710,24cyclictest0-21swapper/121:10:071
12509993710,24cyclictest0-21swapper/121:10:071
89242364,13sleep30-21swapper/320:15:023
321672364,13sleep30-21swapper/321:09:443
12511993614,19cyclictest0-21swapper/322:53:373
12510993622,12cyclictest0-21swapper/223:45:162
12509993617,17cyclictest0-21swapper/100:32:301
12509993615,19cyclictest0-21swapper/121:50:271
12509993615,19cyclictest0-21swapper/121:50:271
12509993614,20cyclictest0-21swapper/121:25:561
1250899368,25cyclictest0-21swapper/021:57:300
322412354,12sleep30-21swapper/319:52:213
322412354,12sleep30-21swapper/319:52:213
211552354,13sleep00-21swapper/020:40:390
20612355,11sleep30-21swapper/319:58:313
12511993515,17cyclictest0-21swapper/300:18:273
12510993514,18cyclictest0-21swapper/221:55:332
12510993514,18cyclictest0-21swapper/200:01:042
12509993511,21cyclictest0-21swapper/123:35:251
12508993516,14cyclictest0-21swapper/019:20:220
12508993514,19cyclictest0-21swapper/021:29:080
212752345,11sleep30-21swapper/320:42:093
194132345,10sleep30-21swapper/319:22:253
1251199349,23cyclictest0-21swapper/321:20:473
12511993413,18cyclictest0-21swapper/323:03:183
12511993413,18cyclictest0-21swapper/323:03:183
1251099346,21cyclictest0-21swapper/219:28:562
1251099345,18cyclictest0-21swapper/220:41:122
12510993417,15cyclictest0-21swapper/223:00:012
12510993416,15cyclictest0-21swapper/222:29:192
12510993415,16cyclictest0-21swapper/221:32:012
12510993414,17cyclictest0-21swapper/200:15:332
12510993410,21cyclictest0-21swapper/222:07:252
12509993411,20cyclictest0-21swapper/123:16:131
12508993410,18cyclictest0-21swapper/020:55:530
321642334,10sleep00-21swapper/021:09:410
251992334,9sleep20-21swapper/219:35:192
149002335,9sleep20-21swapper/220:27:402
1251199336,24cyclictest0-21swapper/322:55:153
12511993314,16cyclictest0-21swapper/300:13:123
12511993314,16cyclictest0-21swapper/300:13:123
12511993313,17cyclictest0-21swapper/323:30:363
1251099338,22cyclictest0-21swapper/223:14:422
1251099335,21cyclictest0-21swapper/219:18:352
12510993317,13cyclictest0-21swapper/222:30:332
12510993317,13cyclictest0-21swapper/221:14:492
12510993317,13cyclictest0-21swapper/221:14:492
12510993316,15cyclictest0-21swapper/221:15:372
12510993315,16cyclictest0-21swapper/200:26:232
12510993315,15cyclictest0-21swapper/223:40:042
12510993315,15cyclictest0-21swapper/223:37:202
12510993314,16cyclictest0-21swapper/223:30:212
12510993314,16cyclictest0-21swapper/200:20:342
12510993314,16cyclictest0-21swapper/200:00:002
1250999337,23cyclictest0-21swapper/122:55:071
12509993314,17cyclictest0-21swapper/122:15:271
12509993312,19cyclictest0-21swapper/122:48:371
12509993311,19cyclictest0-21swapper/122:37:161
12509993311,19cyclictest0-21swapper/100:35:171
1250899335,25cyclictest0-21swapper/000:25:020
12508993316,14cyclictest0-21swapper/022:20:180
12508993316,14cyclictest0-21swapper/022:20:180
12508993314,16cyclictest0-21swapper/022:15:520
12508993311,16cyclictest0-21swapper/020:49:330
12508993311,16cyclictest0-21swapper/020:19:020
12508993310,20cyclictest0-21swapper/022:13:310
12508993310,20cyclictest0-21swapper/021:39:460
12508993310,20cyclictest0-21swapper/000:05:160
12508993310,18cyclictest0-21swapper/020:10:050
37332325,11sleep00-21swapper/020:00:240
319742325,10sleep00-21swapper/019:50:260
319742325,10sleep00-21swapper/019:50:260
302382324,11sleep20-21swapper/219:49:242
259242325,9sleep00-21swapper/019:38:380
214562324,11sleep00-21swapper/019:26:040
1251199325,25cyclictest0-21swapper/300:30:573
1251199325,24cyclictest0-21swapper/321:36:593
12511993216,13cyclictest0-21swapper/321:15:113
12511993211,18cyclictest0-21swapper/323:45:253
1251099328,22cyclictest0-21swapper/220:33:552
1251099325,20cyclictest0-21swapper/220:05:342
1251099325,20cyclictest0-21swapper/219:14:082
1251099325,19cyclictest0-21swapper/220:58:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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