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2026-08-11 - 17:22
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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 Aug 11, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2304021400,1sleep215899-21stress10:38:052
26451211857,56sleep20-21swapper/207:08:222
26299211451,58sleep00-21swapper/007:06:380
2626229549,40sleep30-21swapper/307:06:133
2634628557,23sleep10-21swapper/107:07:071
268222720,1sleep215899-21stress09:34:152
2669899449,33cyclictest0-21swapper/111:53:141
26698994314,23cyclictest0-21swapper/110:53:101
26699994115,23cyclictest0-21swapper/211:42:062
26699994113,25cyclictest0-21swapper/211:23:022
2669899419,29cyclictest0-21swapper/111:07:211
26698994110,28cyclictest0-21swapper/110:21:011
26696994111,27cyclictest0-21swapper/009:34:100
2669899407,30cyclictest0-21swapper/111:30:011
26698994011,26cyclictest0-21swapper/109:16:351
26698994010,27cyclictest0-21swapper/110:04:401
26698994010,27cyclictest0-21swapper/110:04:401
26699993912,24cyclictest0-21swapper/210:29:082
26698993912,24cyclictest0-21swapper/110:05:041
26698993911,26cyclictest0-21swapper/110:25:161
26698993911,26cyclictest0-21swapper/109:55:221
26698993911,26cyclictest0-21swapper/109:55:211
26696993910,26cyclictest0-21swapper/012:13:010
35752385,13sleep20-21swapper/207:25:372
325382385,13sleep20-21swapper/208:32:502
325382385,13sleep20-21swapper/208:32:502
303612385,13sleep20-21swapper/208:28:462
297032385,13sleep30-21swapper/307:15:043
2669899389,26cyclictest0-21swapper/110:20:011
26698993814,21cyclictest0-21swapper/111:10:061
26698993814,21cyclictest0-21swapper/111:10:051
26698993813,22cyclictest0-21swapper/109:37:551
22532385,13sleep20-21swapper/208:36:552
19382385,13sleep30-21swapper/307:25:033
147092385,13sleep20-21swapper/207:51:562
47302375,13sleep10-21swapper/108:44:121
323592375,13sleep30-21swapper/308:30:393
323592375,13sleep30-21swapper/308:30:393
26699993715,19cyclictest0-21swapper/212:05:112
26699993715,19cyclictest0-21swapper/212:02:012
26699993712,22cyclictest0-21swapper/209:11:222
26698993715,14cyclictest0-21swapper/110:14:551
26698993714,21cyclictest0-21swapper/110:45:171
26698993713,21cyclictest0-21swapper/111:30:181
26698993710,24cyclictest0-21swapper/112:21:131
26698993710,24cyclictest0-21swapper/112:21:131
26698993710,24cyclictest0-21swapper/109:47:351
2669699378,26cyclictest0-21swapper/009:13:550
26696993711,23cyclictest0-21swapper/010:11:350
22252375,13sleep30-21swapper/308:36:373
192442375,13sleep10-21swapper/108:03:021
157892375,13sleep30-21swapper/309:09:403
156292375,13sleep20-21swapper/209:07:472
111402375,13sleep10-21swapper/108:56:431
103992375,12sleep10-21swapper/107:42:451
91632365,10sleep20-21swapper/208:54:042
81532365,13sleep30-21swapper/307:37:173
317422365,12sleep10-21swapper/107:18:431
26700993616,18cyclictest0-21swapper/309:45:383
26699993617,16cyclictest0-21swapper/209:39:512
26699993617,15cyclictest0-21swapper/210:19:082
26699993615,19cyclictest0-21swapper/211:10:312
26699993615,19cyclictest0-21swapper/211:10:302
26699993615,18cyclictest0-21swapper/210:41:012
26699993615,18cyclictest0-21swapper/209:41:462
26698993615,19cyclictest0-21swapper/110:35:221
2669699368,25cyclictest0-21swapper/011:33:040
26696993617,16cyclictest0-21swapper/009:29:500
26696993617,16cyclictest0-21swapper/009:29:500
213152365,12sleep20-21swapper/208:06:192
192532364,13sleep00-21swapper/008:03:100
191982365,12sleep20-21swapper/208:02:282
134842365,12sleep20-21swapper/209:03:342
102632365,12sleep30-21swapper/307:41:023
59022355,10sleep20-21swapper/207:31:352
44822355,13sleep30-21swapper/308:41:093
36602355,10sleep10-21swapper/107:26:381
286732355,10sleep20-21swapper/207:13:312
286222354,13sleep00-21swapper/007:12:530
26699993516,16cyclictest0-21swapper/209:18:172
26699993515,18cyclictest0-21swapper/211:35:292
26699993515,17cyclictest0-21swapper/212:10:122
26699993512,21cyclictest0-21swapper/212:27:432
26699993512,21cyclictest0-21swapper/212:27:432
2669899358,24cyclictest0-21swapper/112:30:071
26698993515,14cyclictest0-21swapper/111:45:041
26698993514,18cyclictest0-21swapper/109:23:031
26698993514,18cyclictest0-21swapper/109:23:031
26696993516,16cyclictest0-21swapper/011:35:200
26696993515,17cyclictest0-21swapper/011:40:240
170192355,12sleep10-21swapper/107:57:481
80232345,10sleep10-21swapper/107:35:391
26700993416,16cyclictest0-21swapper/312:35:033
26700993413,18cyclictest0-21swapper/310:40:173
26700993411,20cyclictest0-21swapper/311:17:123
26699993410,21cyclictest0-21swapper/212:30:222
26698993413,18cyclictest0-21swapper/109:50:321
2669699346,25cyclictest0-21swapper/011:19:350
2669699346,25cyclictest0-21swapper/010:05:140
26696993416,17cyclictest0-21swapper/008:45:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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