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2026-05-05 - 11:51
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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 Tue May 05, 2026 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
816521550,1sleep023377-21stress21:49:200
2935621460,1sleep323375-21stress23:51:303
2935621460,1sleep323375-21stress23:51:293
2709212666,55sleep20-21swapper/219:06:162
2665211653,57sleep00-21swapper/019:05:420
601221120,1sleep323375-21stress22:59:583
2754211052,53sleep30-21swapper/319:06:453
272028555,25sleep10-21swapper/119:06:231
231872620,1sleep323375-21stress22:23:573
3154995411,22cyclictest0-21swapper/000:19:040
3154995411,22cyclictest0-21swapper/000:19:040
315799536,44cyclictest0-21swapper/321:25:353
315799536,22cyclictest0-21swapper/322:00:193
3154995310,21cyclictest0-21swapper/000:03:020
315799517,41cyclictest0-21swapper/322:50:233
315799517,19cyclictest0-21swapper/322:47:423
315799516,42cyclictest0-21swapper/323:05:013
315799516,42cyclictest0-21swapper/321:20:163
315799516,22cyclictest0-21swapper/323:05:183
315799516,21cyclictest0-21swapper/321:15:213
315799508,20cyclictest0-21swapper/323:10:393
315799508,20cyclictest0-21swapper/322:34:523
315799508,20cyclictest0-21swapper/322:34:523
315799507,40cyclictest0-21swapper/322:16:163
315799507,21cyclictest0-21swapper/323:30:313
315799506,41cyclictest0-21swapper/323:37:563
315799506,41cyclictest0-21swapper/323:15:213
315799506,41cyclictest0-21swapper/321:10:233
315799506,22cyclictest0-21swapper/322:10:113
315799506,21cyclictest0-21swapper/323:25:173
315799498,21cyclictest0-21swapper/322:35:073
315799498,14cyclictest0-21swapper/300:00:283
315799497,19cyclictest0-21swapper/323:45:593
315799496,40cyclictest0-21swapper/323:40:233
315799488,21cyclictest0-21swapper/322:25:103
315799488,19cyclictest0-21swapper/300:05:553
315799487,19cyclictest0-21swapper/321:50:273
315799486,39cyclictest0-21swapper/322:40:193
315799486,39cyclictest0-21swapper/322:05:273
315799486,39cyclictest0-21swapper/321:55:163
315799486,39cyclictest0-21swapper/321:55:163
315799486,22cyclictest0-21swapper/300:20:253
315799486,22cyclictest0-21swapper/300:20:253
315799486,22cyclictest0-21swapper/300:15:173
315799486,22cyclictest0-21swapper/300:15:173
315799486,21cyclictest0-21swapper/323:20:113
315799486,21cyclictest0-21swapper/300:30:183
315799486,16cyclictest0-21swapper/300:35:273
315799477,19cyclictest0-21swapper/323:55:143
315799477,19cyclictest0-21swapper/321:46:573
315799466,37cyclictest0-21swapper/300:10:163
315799466,15cyclictest0-21swapper/300:25:233
315799456,20cyclictest0-21swapper/319:50:233
315799456,16cyclictest0-21swapper/321:30:163
315799456,16cyclictest0-21swapper/321:30:163
315799448,17cyclictest0-21swapper/319:40:183
315799447,20cyclictest0-21swapper/320:30:233
315799446,20cyclictest0-21swapper/320:45:223
315799446,20cyclictest0-21swapper/320:45:223
315799444,38cyclictest0-21swapper/320:10:523
315799437,16cyclictest0-21swapper/321:40:153
315799436,20cyclictest0-21swapper/320:25:133
315799436,20cyclictest0-21swapper/319:55:113
315799436,20cyclictest0-21swapper/319:35:123
315799435,35cyclictest0-21swapper/321:40:013
315799427,19cyclictest0-21swapper/319:45:143
315799426,20cyclictest0-21swapper/320:55:133
315799426,20cyclictest0-21swapper/320:50:183
315799426,20cyclictest0-21swapper/320:35:143
315799426,20cyclictest0-21swapper/320:20:113
315799426,20cyclictest0-21swapper/320:15:173
315799426,20cyclictest0-21swapper/320:05:123
315799426,20cyclictest0-21swapper/320:00:183
315799426,20cyclictest0-21swapper/319:30:113
315799426,20cyclictest0-21swapper/319:15:153
315799426,19cyclictest0-21swapper/320:40:203
315799426,18cyclictest0-21swapper/319:25:113
315799425,16cyclictest0-21swapper/319:20:143
315799416,19cyclictest0-21swapper/321:00:123
315799415,19cyclictest0-21swapper/321:07:433
3156994015,22cyclictest0-21swapper/200:21:432
3156994015,22cyclictest0-21swapper/200:21:422
3156994013,24cyclictest0-21swapper/222:26:562
315799395,14cyclictest0-21swapper/319:10:183
3156993915,21cyclictest0-21swapper/200:27:152
315499389,26cyclictest0-21swapper/000:20:160
315499389,26cyclictest0-21swapper/000:20:160
19522385,11sleep20-21swapper/220:20:112
41502375,14sleep20-21swapper/220:25:082
315499378,22cyclictest0-21swapper/020:40:170
94762360,3sleep223375-21stress21:50:272
3155993614,20cyclictest0-21swapper/121:45:121
315499368,25cyclictest0-21swapper/021:38:240
315499367,26cyclictest0-21swapper/021:12:340
3156993515,17cyclictest0-21swapper/222:30:262
3156993515,17cyclictest0-21swapper/222:30:262
315499359,23cyclictest0-21swapper/021:29:230
3154993511,21cyclictest0-21swapper/000:05:060
315699346,25cyclictest0-21swapper/221:19:062
3154993410,16cyclictest0-21swapper/023:47:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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