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2026-06-18 - 11:20
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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 Jun 18, 2026 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19914211950,36sleep30-21swapper/319:06:483
19994211552,58sleep00-21swapper/019:07:500
19937211552,58sleep10-21swapper/119:07:061
20051211252,55sleep20-21swapper/219:08:322
1687921000,2sleep08786-21stress23:55:240
1687921000,2sleep08786-21stress23:55:240
20274997115,45cyclictest0-21swapper/222:32:302
20274996713,43cyclictest0-21swapper/223:56:462
20274996713,43cyclictest0-21swapper/223:56:452
20274996014,21cyclictest0-21swapper/221:39:542
20274995716,20cyclictest0-21swapper/223:27:382
20274995715,39cyclictest0-21swapper/221:15:482
20274995615,38cyclictest0-21swapper/223:03:382
20274995615,20cyclictest0-21swapper/200:31:062
20274995615,20cyclictest0-21swapper/200:31:052
20274995413,18cyclictest0-21swapper/223:11:542
20274995413,17cyclictest0-21swapper/222:05:262
20274995315,18cyclictest0-21swapper/221:40:292
20274995312,15cyclictest0-21swapper/221:52:402
2027499526,26cyclictest0-21swapper/223:41:142
20274995215,16cyclictest0-21swapper/200:05:172
20274995210,16cyclictest0-21swapper/223:45:162
2027499518,19cyclictest0-21swapper/221:26:522
20274995116,15cyclictest0-21swapper/222:01:282
20274995114,34cyclictest0-21swapper/222:20:262
20274995113,14cyclictest0-21swapper/223:05:152
20274995015,32cyclictest0-21swapper/222:53:272
20274995014,15cyclictest0-21swapper/222:59:382
20274995013,17cyclictest0-21swapper/221:31:032
20274995013,17cyclictest0-21swapper/221:31:022
20274995011,21cyclictest0-21swapper/221:11:082
20274995011,16cyclictest0-21swapper/222:13:562
20274995011,16cyclictest0-21swapper/222:13:552
20274994914,32cyclictest0-21swapper/200:37:242
20274994914,32cyclictest0-21swapper/200:37:242
20274994913,15cyclictest0-21swapper/200:01:572
20274994912,17cyclictest0-21swapper/200:25:252
2027499487,19cyclictest0-21swapper/223:35:182
20274994813,32cyclictest0-21swapper/221:45:182
20274994813,14cyclictest0-21swapper/222:35:332
20274994810,18cyclictest0-21swapper/222:15:132
20274994810,16cyclictest0-21swapper/223:18:102
20274994810,16cyclictest0-21swapper/223:18:102
2027499479,20cyclictest0-21swapper/219:10:212
2027499479,20cyclictest0-21swapper/219:10:212
2027499477,15cyclictest0-21swapper/221:55:212
2027499476,16cyclictest0-21swapper/223:20:162
20272994714,30cyclictest0-21swapper/023:45:510
2027499465,24cyclictest0-21swapper/220:12:032
20274994613,15cyclictest0-21swapper/223:30:242
20274994611,18cyclictest0-21swapper/220:35:242
20274994610,13cyclictest0-21swapper/222:40:232
2027499456,16cyclictest0-21swapper/222:25:182
2027499456,16cyclictest0-21swapper/221:20:262
2027499456,15cyclictest0-21swapper/200:20:012
2027499446,17cyclictest0-21swapper/222:45:162
2027499446,17cyclictest0-21swapper/222:45:152
2027499446,17cyclictest0-21swapper/221:10:012
2027499446,15cyclictest0-21swapper/200:20:272
2027499445,24cyclictest0-21swapper/220:46:322
2027499445,24cyclictest0-21swapper/220:19:422
2027499445,24cyclictest0-21swapper/219:58:422
2027499445,22cyclictest0-21swapper/220:50:252
20274994414,14cyclictest0-21swapper/219:45:232
2027499435,23cyclictest0-21swapper/219:21:332
20274994314,13cyclictest0-21swapper/220:08:132
20274994215,13cyclictest0-21swapper/219:38:422
20275994113,25cyclictest0-21swapper/321:24:563
2027499415,22cyclictest0-21swapper/219:15:122
20272994115,23cyclictest0-21swapper/021:57:280
2027499409,13cyclictest0-21swapper/220:25:232
2027499409,12cyclictest0-21swapper/200:10:212
20272994015,23cyclictest0-21swapper/022:56:100
20272994014,20cyclictest0-21swapper/020:08:220
20272994014,18cyclictest0-21swapper/019:25:580
20272994014,18cyclictest0-21swapper/019:22:230
20272994013,20cyclictest0-21swapper/020:42:230
20275993916,20cyclictest0-21swapper/323:50:113
2027499398,13cyclictest0-21swapper/223:50:242
2027499395,19cyclictest0-21swapper/220:40:252
2027499395,16cyclictest0-21swapper/219:44:222
2027299397,22cyclictest0-21swapper/000:15:220
20272993916,21cyclictest0-21swapper/000:27:080
20272993915,16cyclictest0-21swapper/019:45:190
20272993914,20cyclictest0-21swapper/020:15:320
20272993914,19cyclictest0-21swapper/020:20:060
20272993912,19cyclictest0-21swapper/021:07:220
282762380,1sleep18786-21stress23:07:091
2027599388,27cyclictest0-21swapper/300:10:323
20275993815,21cyclictest0-21swapper/300:15:113
20275993810,25cyclictest0-21swapper/300:06:323
2027499388,12cyclictest0-21swapper/220:55:132
2027499385,19cyclictest0-21swapper/221:02:532
20272993817,16cyclictest0-21swapper/019:50:040
20272993815,16cyclictest0-21swapper/019:36:130
20272993814,18cyclictest0-21swapper/020:59:230
20272993814,18cyclictest0-21swapper/019:40:230
20272993813,22cyclictest0-21swapper/022:47:370
20272993813,22cyclictest0-21swapper/022:47:360
191002385,14sleep10-21swapper/120:18:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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