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2026-03-16 - 02:26
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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 Mon Mar 16, 2026 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11665211758,20sleep30-21swapper/319:05:443
11858211655,22sleep20-21swapper/219:08:122
1942221150,0sleep331630-21stress00:29:013
1172129469,19sleep00-21swapper/019:06:270
1172228352,26sleep10-21swapper/119:06:271
12108996015,21cyclictest0-21swapper/322:40:013
12108995915,21cyclictest0-21swapper/323:49:323
12108995915,21cyclictest0-21swapper/300:11:443
12108995716,38cyclictest0-21swapper/322:33:243
12108995715,21cyclictest0-21swapper/322:17:133
12108995715,20cyclictest0-21swapper/323:54:143
12108995715,20cyclictest0-21swapper/323:37:493
12108995713,21cyclictest0-21swapper/322:20:203
12108995616,18cyclictest0-21swapper/323:16:173
12108995616,18cyclictest0-21swapper/323:16:173
12108995615,21cyclictest0-21swapper/322:45:243
12108995615,21cyclictest0-21swapper/322:45:243
12108995615,21cyclictest0-21swapper/322:44:213
12108995615,19cyclictest0-21swapper/300:15:183
1210899559,28cyclictest0-21swapper/323:01:483
12108995516,36cyclictest0-21swapper/300:00:223
12108995515,37cyclictest0-21swapper/321:39:583
12108995515,23cyclictest0-21swapper/323:32:173
12108995515,18cyclictest0-21swapper/322:02:323
12108995513,39cyclictest0-21swapper/300:05:133
12108995513,39cyclictest0-21swapper/300:05:123
12108995415,36cyclictest0-21swapper/323:05:133
12108995415,36cyclictest0-21swapper/321:20:183
12108995414,21cyclictest0-21swapper/322:25:163
12108995414,18cyclictest0-21swapper/300:36:173
12108995413,38cyclictest0-21swapper/322:53:293
12108995413,38cyclictest0-21swapper/322:53:293
12108995410,41cyclictest0-21swapper/321:40:313
12108995316,34cyclictest0-21swapper/323:10:233
12108995315,35cyclictest0-21swapper/321:55:033
12108995315,17cyclictest0-21swapper/323:55:223
12108995315,17cyclictest0-21swapper/323:55:223
12108995314,36cyclictest0-21swapper/321:10:293
12108995314,16cyclictest0-21swapper/322:10:293
1210899526,43cyclictest0-21swapper/321:45:163
12108995214,15cyclictest0-21swapper/322:05:033
12108995214,15cyclictest0-21swapper/322:05:033
12108995214,15cyclictest0-21swapper/321:15:193
12108995115,33cyclictest0-21swapper/323:25:203
12108995115,33cyclictest0-21swapper/323:20:043
12108995115,33cyclictest0-21swapper/323:20:043
12108995110,38cyclictest0-21swapper/300:20:303
12108995015,16cyclictest0-21swapper/321:25:283
12108994913,14cyclictest0-21swapper/321:55:013
12108994912,15cyclictest0-21swapper/321:30:193
12108994912,15cyclictest0-21swapper/321:30:193
12108994812,33cyclictest0-21swapper/322:55:073
1210899455,24cyclictest0-21swapper/320:57:283
12108994514,14cyclictest0-21swapper/320:45:223
12108994514,13cyclictest0-21swapper/320:11:293
1210899449,17cyclictest0-21swapper/319:51:543
1210899445,37cyclictest0-21swapper/321:02:393
1210899439,17cyclictest0-21swapper/319:28:333
1210899436,17cyclictest0-21swapper/323:40:123
1210899435,23cyclictest0-21swapper/319:21:493
12108994314,13cyclictest0-21swapper/320:35:283
12108994313,14cyclictest0-21swapper/320:07:293
1210899424,24cyclictest0-21swapper/319:49:173
12108994216,11cyclictest0-21swapper/321:05:073
12108994216,11cyclictest0-21swapper/321:05:073
12108994215,13cyclictest0-21swapper/320:24:473
12108994213,13cyclictest0-21swapper/319:41:083
1210899415,26cyclictest0-21swapper/320:43:273
1210899415,21cyclictest0-21swapper/320:30:223
12108994114,13cyclictest0-21swapper/320:00:083
12107994116,22cyclictest0-21swapper/223:07:142
12107994115,23cyclictest0-21swapper/221:51:382
290722408,13sleep00-21swapper/021:00:340
1210899408,12cyclictest0-21swapper/320:50:123
1210899405,18cyclictest0-21swapper/300:30:173
1210899405,18cyclictest0-21swapper/300:30:163
12107994011,26cyclictest0-21swapper/200:05:552
12107994011,26cyclictest0-21swapper/200:05:552
1210899394,19cyclictest0-21swapper/320:15:243
12107993911,25cyclictest0-21swapper/223:15:302
12107993911,25cyclictest0-21swapper/223:15:292
35342387,14sleep00-21swapper/020:01:040
251902383,14sleep00-21swapper/020:55:010
12107993814,21cyclictest0-21swapper/223:30:182
1210899377,15cyclictest0-21swapper/319:35:093
12107993716,19cyclictest0-21swapper/222:41:132
12107993714,20cyclictest0-21swapper/222:23:342
12107993714,20cyclictest0-21swapper/221:25:222
12107993713,21cyclictest0-21swapper/222:55:022
297062365,13sleep00-21swapper/021:05:110
297062365,13sleep00-21swapper/021:05:110
234502365,13sleep10-21swapper/119:34:541
187732365,14sleep20-21swapper/220:39:432
1210899365,13cyclictest0-21swapper/319:19:093
1210899365,13cyclictest0-21swapper/319:19:083
1210799366,27cyclictest0-21swapper/221:19:022
12107993615,15cyclictest0-21swapper/221:45:302
12107993614,20cyclictest0-21swapper/223:10:062
12104993616,18cyclictest0-21swapper/020:09:280
316422353,13sleep00-21swapper/019:51:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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