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2026-07-09 - 11:44
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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 Jul 09, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13452212057,23sleep20-21swapper/219:09:532
2089021100,2sleep22272-21stress00:20:022
13294211052,53sleep10-21swapper/119:08:001
1155229064,21sleep30-21swapper/319:05:053
1330528557,23sleep00-21swapper/019:08:070
13569995515,17cyclictest0-21swapper/300:10:133
13569995414,18cyclictest0-21swapper/300:25:163
13569995414,17cyclictest0-21swapper/323:00:293
13569995315,15cyclictest0-21swapper/322:05:103
13569995315,15cyclictest0-21swapper/322:05:103
13569995310,21cyclictest0-21swapper/323:48:443
13569995215,12cyclictest0-21swapper/322:04:313
13569995214,17cyclictest0-21swapper/300:20:353
13569995115,17cyclictest0-21swapper/321:30:153
13569995115,13cyclictest0-21swapper/300:17:343
13569995015,14cyclictest0-21swapper/322:59:463
13569995013,15cyclictest0-21swapper/300:30:283
13569995013,14cyclictest0-21swapper/323:15:203
13569995013,14cyclictest0-21swapper/300:05:173
13569995011,16cyclictest0-21swapper/323:14:373
1356999475,23cyclictest0-21swapper/319:20:013
1356999475,21cyclictest0-21swapper/319:21:013
13569994713,14cyclictest0-21swapper/323:50:113
13569994713,12cyclictest0-21swapper/321:56:253
13569994710,14cyclictest0-21swapper/322:50:173
13569994710,14cyclictest0-21swapper/322:10:163
13569994710,14cyclictest0-21swapper/322:10:153
1356999465,21cyclictest0-21swapper/320:21:103
1356999465,21cyclictest0-21swapper/320:17:303
13569994614,12cyclictest0-21swapper/322:25:303
13569994614,12cyclictest0-21swapper/321:50:243
13569994614,11cyclictest0-21swapper/321:35:163
13569994614,11cyclictest0-21swapper/321:35:163
13569994612,15cyclictest0-21swapper/322:15:213
13569994612,15cyclictest0-21swapper/322:15:213
13569994611,17cyclictest0-21swapper/323:30:233
13569994611,14cyclictest0-21swapper/322:49:513
13569994611,14cyclictest0-21swapper/322:49:513
1356999458,17cyclictest0-21swapper/320:51:463
1356999455,21cyclictest0-21swapper/320:10:103
1356999455,21cyclictest0-21swapper/319:51:003
1356999455,12cyclictest0-21swapper/320:58:203
13569994515,12cyclictest0-21swapper/322:33:193
13569994510,14cyclictest0-21swapper/323:25:313
13569994510,14cyclictest0-21swapper/323:25:313
13569994415,11cyclictest0-21swapper/320:32:103
13569994412,11cyclictest0-21swapper/323:05:163
1356999435,21cyclictest0-21swapper/321:07:213
1356999435,21cyclictest0-21swapper/321:07:203
13569994313,12cyclictest0-21swapper/321:20:153
13569994214,11cyclictest0-21swapper/322:20:163
1356899426,19cyclictest0-21swapper/221:10:342
13569994114,13cyclictest0-21swapper/319:25:553
13569994114,13cyclictest0-21swapper/319:25:553
13569994011,13cyclictest0-21swapper/323:56:203
1356899407,30cyclictest0-21swapper/221:43:292
1356799407,30cyclictest0-21swapper/100:12:551
1356799406,31cyclictest0-21swapper/122:47:551
1356799406,31cyclictest0-21swapper/122:47:551
13567994015,22cyclictest0-21swapper/100:30:591
13566994014,23cyclictest0-21swapper/023:02:460
13566993910,22cyclictest0-21swapper/020:20:220
29562385,12sleep20-21swapper/219:55:212
279592385,11sleep20-21swapper/220:54:552
155822385,13sleep20-21swapper/219:13:342
1356899388,27cyclictest0-21swapper/223:25:472
1356899388,27cyclictest0-21swapper/223:25:472
13568993811,24cyclictest0-21swapper/221:20:572
13566993815,21cyclictest0-21swapper/023:40:160
35592375,13sleep00-21swapper/019:55:550
227022375,13sleep20-21swapper/219:25:542
227022375,13sleep20-21swapper/219:25:532
212472375,13sleep20-21swapper/220:38:032
189152375,13sleep20-21swapper/220:31:062
144802375,13sleep20-21swapper/220:20:432
13568993722,12cyclictest0-21swapper/223:42:312
1356799376,28cyclictest0-21swapper/123:37:271
1356799376,28cyclictest0-21swapper/122:55:511
81292365,13sleep10-21swapper/120:08:071
38602364,13sleep10-21swapper/119:59:371
294672365,14sleep10-21swapper/119:43:291
277502364,14sleep00-21swapper/020:52:170
257422365,11sleep10-21swapper/120:49:251
14512365,11sleep20-21swapper/219:52:562
1356899368,25cyclictest0-21swapper/222:30:152
1356899367,26cyclictest0-21swapper/223:06:502
13568993610,23cyclictest0-21swapper/223:30:412
74752350,1sleep22272-21stress23:48:352
277772354,14sleep10-21swapper/120:52:381
212312354,14sleep10-21swapper/120:37:501
1356999355,11cyclictest0-21swapper/320:26:403
1356999355,11cyclictest0-21swapper/319:49:113
1356999355,11cyclictest0-21swapper/319:31:503
1356899359,23cyclictest0-21swapper/222:50:462
13568993511,21cyclictest0-21swapper/200:36:342
13568993511,21cyclictest0-21swapper/200:36:342
13568993510,22cyclictest0-21swapper/221:55:222
13568993510,22cyclictest0-21swapper/200:00:402
13568993510,22cyclictest0-21swapper/200:00:402
1356799358,24cyclictest0-21swapper/100:05:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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