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2026-04-10 - 02:46
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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 Fri Apr 10, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24583212358,23sleep30-21swapper/319:06:053
24687211853,59sleep20-21swapper/219:07:172
24827211050,55sleep10-21swapper/119:08:561
2463328453,26sleep00-21swapper/019:06:390
25013994810,27cyclictest0-21swapper/200:10:362
2501199459,26cyclictest0-21swapper/022:58:190
33382440,1sleep212514-21stress23:19:022
33382440,1sleep212514-21stress23:19:012
25014994317,23cyclictest0-21swapper/322:55:173
25013994314,26cyclictest0-21swapper/222:15:592
25011994214,25cyclictest0-21swapper/021:46:110
25011994111,19cyclictest0-21swapper/023:50:520
25014994015,22cyclictest0-21swapper/321:30:503
2501199409,28cyclictest0-21swapper/000:00:580
25011994015,23cyclictest0-21swapper/021:21:530
25011994015,23cyclictest0-21swapper/021:21:530
25011994010,27cyclictest0-21swapper/021:50:400
35392395,14sleep00-21swapper/020:46:040
25014993917,19cyclictest0-21swapper/323:00:413
25014993917,19cyclictest0-21swapper/323:00:413
25014993915,22cyclictest0-21swapper/323:50:193
25012993915,21cyclictest0-21swapper/122:45:221
2501499383,32cyclictest0-21swapper/323:45:203
2501499383,32cyclictest0-21swapper/323:45:203
2501499383,20cyclictest12516-21stress22:42:163
25014993818,18cyclictest0-21swapper/322:25:213
25014993817,19cyclictest0-21swapper/323:19:353
25014993817,19cyclictest0-21swapper/323:19:353
25014993817,18cyclictest0-21swapper/322:37:053
25014993817,18cyclictest0-21swapper/322:37:053
25014993816,19cyclictest0-21swapper/321:11:463
25014993816,19cyclictest0-21swapper/321:11:463
2501399389,19cyclictest0-21swapper/221:10:062
2501399389,19cyclictest0-21swapper/221:10:062
25012993813,22cyclictest0-21swapper/121:40:011
2501199389,21cyclictest0-21swapper/019:45:060
2501199386,17cyclictest0-21swapper/022:30:130
25011993816,19cyclictest0-21swapper/022:51:590
25011993813,22cyclictest0-21swapper/021:35:130
25011993812,20cyclictest0-21swapper/019:38:470
25011993810,17cyclictest0-21swapper/022:45:050
233392385,11sleep10-21swapper/120:19:501
56622375,14sleep20-21swapper/220:50:512
56622375,14sleep20-21swapper/220:50:512
294872375,13sleep10-21swapper/120:31:291
25014993717,18cyclictest0-21swapper/323:35:323
25014993717,18cyclictest0-21swapper/323:10:343
25014993717,18cyclictest0-21swapper/323:10:343
25014993716,18cyclictest0-21swapper/323:40:303
25014993716,18cyclictest0-21swapper/322:30:103
25014993715,20cyclictest0-21swapper/300:28:013
25014993715,20cyclictest0-21swapper/300:28:003
25014993715,19cyclictest0-21swapper/323:27:243
2501399379,25cyclictest0-21swapper/223:52:222
25013993716,19cyclictest0-21swapper/200:09:512
25013993710,24cyclictest0-21swapper/200:23:432
25012993713,21cyclictest0-21swapper/121:47:471
25012993713,21cyclictest0-21swapper/100:39:201
25011993713,22cyclictest0-21swapper/022:10:240
25011993713,19cyclictest0-21swapper/020:55:290
25011993711,19cyclictest0-21swapper/019:31:000
166212375,11sleep20-21swapper/220:01:062
12982374,11sleep20-21swapper/220:40:232
102872375,11sleep20-21swapper/219:47:142
276132365,13sleep00-21swapper/020:29:360
269362365,11sleep00-21swapper/019:13:050
267712365,13sleep20-21swapper/219:11:012
2501499363,30cyclictest0-21swapper/323:20:143
2501499363,30cyclictest0-21swapper/322:10:423
2501499362,31cyclictest12514-21stress23:31:363
25014993616,18cyclictest0-21swapper/322:00:163
25014993616,18cyclictest0-21swapper/321:43:133
25014993616,18cyclictest0-21swapper/321:37:193
25014993616,17cyclictest0-21swapper/322:10:023
25014993615,19cyclictest0-21swapper/321:25:313
25014993615,19cyclictest0-21swapper/321:18:493
25014993615,18cyclictest0-21swapper/322:47:063
2501299368,25cyclictest0-21swapper/100:30:301
25012993615,19cyclictest0-21swapper/122:44:191
25011993615,18cyclictest0-21swapper/021:34:420
25011993614,20cyclictest0-21swapper/022:43:020
25011993612,19cyclictest0-21swapper/021:05:270
25011993612,18cyclictest0-21swapper/020:15:310
25011993611,22cyclictest0-21swapper/023:00:030
25011993611,22cyclictest0-21swapper/023:00:030
150482365,11sleep00-21swapper/020:00:040
98962353,28sleep012516-21stress22:17:190
317712355,11sleep00-21swapper/020:38:010
2501499355,27cyclictest12516-21stress22:50:113
2501499353,29cyclictest21220-21modprobe20:15:003
25014993516,17cyclictest0-21swapper/322:15:263
25014993515,17cyclictest0-21swapper/323:07:483
2501399356,19cyclictest0-21swapper/222:02:222
25013993516,17cyclictest0-21swapper/200:19:042
25013993515,18cyclictest0-21swapper/222:22:572
25013993512,20cyclictest0-21swapper/223:44:002
25013993511,21cyclictest0-21swapper/222:35:082
25013993511,21cyclictest0-21swapper/222:35:082
25013993511,21cyclictest0-21swapper/221:24:412
25013993511,21cyclictest0-21swapper/221:24:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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