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2026-09-18 - 08:55
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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 Fri Sep 18, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3137521390,1sleep17824-21stress23:15:111
17748211753,23sleep10-21swapper/119:07:241
650421130,0sleep17822-21stress22:18:051
1787129367,20sleep30-21swapper/319:08:503
1763628961,23sleep20-21swapper/219:06:072
1600028456,23sleep00-21swapper/019:05:060
18074996916,38cyclictest0-21swapper/221:10:162
1807299656,43cyclictest0-21swapper/100:30:311
1807299656,43cyclictest0-21swapper/100:30:311
1807299646,48cyclictest0-21swapper/100:20:161
1807299626,45cyclictest0-21swapper/123:00:021
1807299625,46cyclictest0-21swapper/122:25:121
1807299616,44cyclictest0-21swapper/123:30:241
1807299616,44cyclictest0-21swapper/123:25:161
1807299616,44cyclictest0-21swapper/123:25:161
1807299616,44cyclictest0-21swapper/122:00:171
1807299606,43cyclictest0-21swapper/121:10:191
1807299605,17cyclictest0-21swapper/121:35:311
1807299605,17cyclictest0-21swapper/121:35:311
1807299586,36cyclictest0-21swapper/122:47:171
1807299585,42cyclictest0-21swapper/122:10:291
1807299585,42cyclictest0-21swapper/122:10:281
1807299584,43cyclictest0-21swapper/122:20:241
18074995714,16cyclictest0-21swapper/221:18:292
1807299565,36cyclictest0-21swapper/121:40:341
1807299565,36cyclictest0-21swapper/121:40:341
1807299546,38cyclictest0-21swapper/122:05:261
1807299546,21cyclictest0-21swapper/123:40:331
1807299546,21cyclictest0-21swapper/123:40:331
1807299536,44cyclictest0-21swapper/123:50:251
1807299536,23cyclictest0-21swapper/100:00:221
1807299536,23cyclictest0-21swapper/100:00:221
18074995215,18cyclictest0-21swapper/222:57:442
18074995214,16cyclictest0-21swapper/222:46:192
18074995213,18cyclictest0-21swapper/221:57:082
18074995213,16cyclictest0-21swapper/200:05:542
1807299526,43cyclictest0-21swapper/121:25:161
1807299525,35cyclictest0-21swapper/122:35:181
1807299525,35cyclictest0-21swapper/122:35:181
18074995117,14cyclictest0-21swapper/219:55:232
18074995116,14cyclictest0-21swapper/222:27:352
18074995115,15cyclictest0-21swapper/200:25:352
18074995110,22cyclictest0-21swapper/221:31:252
1807299517,20cyclictest0-21swapper/123:55:351
1807299516,42cyclictest0-21swapper/121:20:151
1807299516,21cyclictest0-21swapper/122:40:311
1807299516,21cyclictest0-21swapper/121:50:161
1807299516,21cyclictest0-21swapper/100:10:241
1807299515,43cyclictest0-21swapper/123:37:361
1807299515,43cyclictest0-21swapper/121:45:211
1807299515,43cyclictest0-21swapper/100:05:291
1807299514,38cyclictest0-21swapper/122:50:331
1807299514,38cyclictest0-21swapper/122:50:321
1807499505,25cyclictest0-21swapper/220:19:542
18074995016,14cyclictest0-21swapper/220:51:352
18074995015,16cyclictest0-21swapper/221:51:452
18074995013,17cyclictest0-21swapper/221:10:002
1807299506,41cyclictest0-21swapper/123:05:231
1807299506,41cyclictest0-21swapper/122:59:341
1807299506,41cyclictest0-21swapper/100:15:271
1807299506,22cyclictest0-21swapper/121:56:211
1807299506,22cyclictest0-21swapper/121:15:211
1807299506,21cyclictest0-21swapper/123:45:351
1807299506,21cyclictest0-21swapper/122:30:251
1807299505,42cyclictest0-21swapper/100:35:161
1807299505,42cyclictest0-21swapper/100:35:151
18074994914,17cyclictest0-21swapper/222:21:482
18074994914,14cyclictest0-21swapper/221:39:432
18074994914,14cyclictest0-21swapper/221:39:432
18074994910,21cyclictest0-21swapper/222:35:162
18074994910,21cyclictest0-21swapper/222:35:152
1807299496,21cyclictest0-21swapper/121:30:241
1807299495,22cyclictest0-21swapper/123:20:271
1807499488,22cyclictest0-21swapper/200:00:332
1807499488,22cyclictest0-21swapper/200:00:332
1807499485,25cyclictest0-21swapper/220:39:052
18074994816,13cyclictest0-21swapper/220:42:452
18074994813,13cyclictest0-21swapper/223:19:372
18074994812,14cyclictest0-21swapper/223:23:092
18074994715,12cyclictest0-21swapper/223:08:032
18074994714,12cyclictest0-21swapper/223:11:052
18074994713,13cyclictest0-21swapper/222:32:142
18074994712,14cyclictest0-21swapper/223:36:102
18074994711,13cyclictest0-21swapper/200:20:272
18074994614,29cyclictest0-21swapper/222:15:142
18074994614,12cyclictest0-21swapper/200:30:342
18074994614,12cyclictest0-21swapper/200:30:342
18074994613,13cyclictest0-21swapper/200:35:152
18074994613,13cyclictest0-21swapper/200:35:152
1807299465,20cyclictest0-21swapper/123:10:111
1807299464,35cyclictest0-21swapper/120:25:561
1807299464,27cyclictest0-21swapper/119:25:351
1807299464,27cyclictest0-21swapper/119:25:341
1807499456,18cyclictest0-21swapper/200:15:362
1807499455,22cyclictest0-21swapper/220:58:152
1807499455,22cyclictest0-21swapper/220:02:232
18074994511,13cyclictest0-21swapper/222:54:472
18074994511,13cyclictest0-21swapper/222:54:462
1807299458,30cyclictest0-21swapper/121:05:281
1807299457,19cyclictest0-21swapper/119:32:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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