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2026-05-03 - 13:35
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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 Sun May 03, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1415421420,1sleep012219-21stress21:13:070
2504721390,1sleep012219-21stress21:39:330
2504721390,1sleep012219-21stress21:39:330
1630021190,1sleep012221-21stress21:17:350
24123211656,55sleep20-21swapper/219:07:582
24122211455,20sleep10-21swapper/119:07:561
23954210950,53sleep30-21swapper/319:05:493
314792950,1sleep131481-21sed23:10:011
2426129451,38sleep00-21swapper/019:09:400
243392660,3sleep312220-21stress21:35:333
243392660,3sleep312220-21stress21:35:323
55352550,1sleep212221-21stress22:09:102
55352550,1sleep212221-21stress22:09:092
2439499555,27cyclictest0-21swapper/300:02:053
24394995512,40cyclictest0-21swapper/322:59:323
24394995412,39cyclictest0-21swapper/321:15:143
24394995411,21cyclictest0-21swapper/322:50:193
24394995312,38cyclictest0-21swapper/321:25:323
24394995312,38cyclictest0-21swapper/300:10:263
24394995311,20cyclictest0-21swapper/322:37:433
2439499529,39cyclictest0-21swapper/322:00:183
2439499529,21cyclictest0-21swapper/322:46:563
2439499529,21cyclictest0-21swapper/322:46:553
2439499524,27cyclictest0-21swapper/300:35:263
24394995211,21cyclictest0-21swapper/323:23:443
24394995210,39cyclictest0-21swapper/323:45:293
24394995210,21cyclictest0-21swapper/322:10:183
24394995210,21cyclictest0-21swapper/322:10:173
24394995112,19cyclictest0-21swapper/323:59:443
24394995112,19cyclictest0-21swapper/323:59:443
24394995111,37cyclictest0-21swapper/321:14:243
24394995111,21cyclictest0-21swapper/300:19:363
24394995111,20cyclictest0-21swapper/322:25:013
24394995111,19cyclictest0-21swapper/300:20:263
24394995110,21cyclictest0-21swapper/300:32:523
131852510,1sleep212221-21stress21:10:222
2439499509,20cyclictest0-21swapper/322:40:243
2439499509,20cyclictest0-21swapper/322:40:243
2439499509,16cyclictest0-21swapper/321:45:163
2439499506,23cyclictest0-21swapper/322:31:453
24394995011,36cyclictest0-21swapper/323:26:573
24394995011,20cyclictest0-21swapper/322:15:133
24394995010,37cyclictest0-21swapper/322:25:103
2439499497,39cyclictest0-21swapper/323:10:353
2439499496,25cyclictest0-21swapper/321:56:523
24394994910,16cyclictest0-21swapper/323:00:143
2439499487,19cyclictest0-21swapper/323:50:173
2439499486,18cyclictest0-21swapper/322:10:023
2439499486,18cyclictest0-21swapper/322:10:023
2439499486,15cyclictest0-21swapper/321:41:343
2439499486,15cyclictest0-21swapper/321:20:153
2439499486,15cyclictest0-21swapper/300:05:323
24394994811,16cyclictest0-21swapper/323:35:153
2439499479,15cyclictest0-21swapper/323:09:173
2439499476,18cyclictest0-21swapper/323:30:103
2439499476,18cyclictest0-21swapper/323:15:153
2439499476,18cyclictest0-21swapper/300:25:183
2439499476,15cyclictest0-21swapper/323:40:273
2439499476,15cyclictest0-21swapper/321:30:183
2439499475,24cyclictest0-21swapper/320:55:413
2439499445,23cyclictest0-21swapper/320:32:413
2439499445,23cyclictest0-21swapper/319:29:113
2439499435,20cyclictest0-21swapper/319:16:213
2439499435,20cyclictest0-21swapper/319:16:213
2439499435,20cyclictest0-21swapper/319:10:063
2439499435,20cyclictest0-21swapper/319:10:053
2439499434,23cyclictest0-21swapper/319:33:013
2439499425,20cyclictest0-21swapper/319:40:123
2439499425,20cyclictest0-21swapper/319:23:033
2439499425,10cyclictest0-21swapper/320:00:233
24394994212,13cyclictest0-21swapper/320:20:253
24394994211,15cyclictest0-21swapper/319:55:133
2439499415,33cyclictest0-21swapper/320:45:213
2439499415,20cyclictest0-21swapper/320:10:113
2439499415,19cyclictest0-21swapper/319:50:093
24394994110,15cyclictest0-21swapper/320:08:283
24394994110,13cyclictest0-21swapper/321:05:193
24394994110,13cyclictest0-21swapper/321:05:193
2439499409,14cyclictest0-21swapper/319:45:133
2439499405,18cyclictest0-21swapper/320:54:343
2439499405,18cyclictest0-21swapper/320:17:193
2439499405,17cyclictest0-21swapper/321:02:543
2439499405,17cyclictest0-21swapper/320:40:153
2439499405,16cyclictest0-21swapper/320:35:203
2439499405,16cyclictest0-21swapper/319:35:163
24394994010,13cyclictest0-21swapper/320:27:063
2439399397,29cyclictest0-21swapper/223:16:102
24391993811,24cyclictest0-21swapper/023:10:290
24393993715,19cyclictest0-21swapper/223:20:072
24393993714,20cyclictest0-21swapper/223:25:312
98572365,11sleep20-21swapper/219:48:072
76482365,11sleep10-21swapper/120:57:311
271242365,11sleep20-21swapper/220:28:382
262792364,11sleep20-21swapper/219:12:262
262792364,11sleep20-21swapper/219:12:262
250022365,9sleep20-21swapper/220:23:442
24393993613,20cyclictest0-21swapper/221:30:442
2439299366,20cyclictest0-21swapper/122:10:171
2439299366,20cyclictest0-21swapper/122:10:161
2439199367,26cyclictest0-21swapper/023:02:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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