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2026-04-30 - 00:48
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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 Wed Apr 29, 2026 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1601921420,1sleep322283-21stress10:10:123
1709211652,59sleep10-21swapper/107:06:411
3073821140,1sleep222286-21stress09:29:102
2823421090,1sleep122286-21stress10:36:251
196729365,23sleep20-21swapper/207:09:462
180628355,23sleep00-21swapper/007:07:470
167028152,23sleep30-21swapper/307:06:133
2092994416,13cyclictest0-21swapper/012:15:130
2092994411,30cyclictest0-21swapper/009:34:090
2092994315,16cyclictest0-21swapper/010:03:580
2092994314,19cyclictest0-21swapper/011:20:310
2093994111,27cyclictest0-21swapper/111:35:181
2093994111,27cyclictest0-21swapper/111:35:171
2093994110,28cyclictest0-21swapper/110:11:241
2093994110,28cyclictest0-21swapper/109:29:131
209299417,23cyclictest0-21swapper/010:15:320
2095994012,25cyclictest0-21swapper/309:55:003
2095994012,25cyclictest0-21swapper/309:55:003
209399409,28cyclictest0-21swapper/112:20:231
2093994011,26cyclictest0-21swapper/111:31:011
2093994011,26cyclictest0-21swapper/111:12:491
2093994010,27cyclictest0-21swapper/111:41:011
2093993910,26cyclictest0-21swapper/109:12:331
2092993916,17cyclictest0-21swapper/007:30:390
2092993915,22cyclictest0-21swapper/010:54:460
2092993914,19cyclictest0-21swapper/008:00:220
2092993913,15cyclictest0-21swapper/010:06:480
181542395,13sleep20-21swapper/209:00:022
39572385,13sleep20-21swapper/207:11:392
218822385,13sleep20-21swapper/207:50:322
218112385,13sleep30-21swapper/309:05:253
2095993815,20cyclictest0-21swapper/312:02:573
209399389,26cyclictest0-21swapper/112:26:401
2093993814,21cyclictest0-21swapper/111:04:331
2093993814,21cyclictest0-21swapper/111:04:321
209299389,26cyclictest0-21swapper/011:02:020
209299389,26cyclictest0-21swapper/011:02:010
209299389,21cyclictest0-21swapper/012:22:590
209299387,27cyclictest0-21swapper/010:34:020
209299387,27cyclictest0-21swapper/010:34:010
2092993816,16cyclictest0-21swapper/007:15:290
177742385,13sleep20-21swapper/208:58:212
114022385,13sleep20-21swapper/208:44:382
91922375,12sleep20-21swapper/207:23:172
91852375,13sleep00-21swapper/007:23:110
91112375,13sleep10-21swapper/108:37:481
68642375,13sleep20-21swapper/208:31:312
47492375,13sleep20-21swapper/208:27:262
3362375,13sleep10-21swapper/108:17:271
304802375,13sleep20-21swapper/208:10:492
2095993714,20cyclictest0-21swapper/310:47:243
2095993713,21cyclictest0-21swapper/311:05:143
209499379,21cyclictest0-21swapper/208:05:242
209399379,25cyclictest0-21swapper/111:15:291
209399379,25cyclictest0-21swapper/110:45:251
209399379,25cyclictest0-21swapper/109:30:031
209399378,27cyclictest0-21swapper/109:46:441
209399378,27cyclictest0-21swapper/109:46:431
2093993710,24cyclictest0-21swapper/111:25:031
2093993710,24cyclictest0-21swapper/109:20:561
2093993710,24cyclictest0-21swapper/109:20:561
209299378,26cyclictest0-21swapper/012:31:480
209299376,22cyclictest0-21swapper/010:47:040
2092993710,21cyclictest0-21swapper/008:22:050
2092993710,21cyclictest0-21swapper/008:22:050
2092993710,21cyclictest0-21swapper/007:50:340
197462375,13sleep10-21swapper/109:01:261
156632375,13sleep10-21swapper/107:38:361
133502375,13sleep30-21swapper/308:47:153
92512365,13sleep30-21swapper/308:39:353
71192365,12sleep30-21swapper/308:34:443
41482365,13sleep30-21swapper/307:14:043
3132365,12sleep30-21swapper/308:17:093
286522365,12sleep30-21swapper/308:09:543
263472365,13sleep30-21swapper/308:02:403
221192365,12sleep30-21swapper/307:53:303
209499369,24cyclictest0-21swapper/210:19:372
209399369,25cyclictest0-21swapper/111:05:471
2093993610,23cyclictest0-21swapper/111:51:511
2093993610,23cyclictest0-21swapper/110:30:291
2093993610,23cyclictest0-21swapper/110:30:291
209299369,19cyclictest0-21swapper/011:55:320
209299368,25cyclictest0-21swapper/011:30:200
209299368,25cyclictest0-21swapper/009:40:050
209299368,22cyclictest0-21swapper/007:45:510
209299367,26cyclictest0-21swapper/011:25:160
209299365,24cyclictest0-21swapper/007:35:060
2092993614,15cyclictest0-21swapper/008:40:000
199672365,12sleep10-21swapper/107:48:441
175862365,13sleep30-21swapper/307:40:313
156052365,12sleep20-21swapper/208:53:252
111832365,13sleep00-21swapper/007:26:240
326492355,10sleep20-21swapper/208:15:342
307392355,13sleep10-21swapper/108:13:531
241112355,12sleep30-21swapper/307:56:393
2095993515,18cyclictest0-21swapper/310:15:143
2095993513,19cyclictest0-21swapper/310:56:503
2094993515,16cyclictest0-21swapper/210:50:172
2094993511,21cyclictest0-21swapper/209:45:322
2094993511,21cyclictest0-21swapper/209:45:322
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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