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2026-04-29 - 00:32
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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 Apr 28, 2026 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2370521200,1sleep2617-21stress12:31:152
12488211857,55sleep30-21swapper/307:05:293
492221150,0sleep1617-21stress09:19:341
12710211150,56sleep10-21swapper/107:08:161
12765210950,20sleep00-21swapper/007:08:550
1252229166,20sleep20-21swapper/207:05:522
1294799475,25cyclictest0-21swapper/112:30:021
12947994212,27cyclictest0-21swapper/109:44:351
12947994212,27cyclictest0-21swapper/109:44:351
12946994116,22cyclictest0-21swapper/009:26:190
12946994115,23cyclictest0-21swapper/012:20:140
12946994110,28cyclictest0-21swapper/010:19:560
12946994012,26cyclictest0-21swapper/010:37:010
12946994010,27cyclictest0-21swapper/011:05:030
12947993914,22cyclictest0-21swapper/111:59:401
12947993912,24cyclictest0-21swapper/111:06:511
12946993916,15cyclictest0-21swapper/011:19:270
12946993913,24cyclictest0-21swapper/011:50:270
12946993910,26cyclictest0-21swapper/012:17:170
71182385,13sleep20-21swapper/208:09:282
12947993813,14cyclictest0-21swapper/111:00:101
12946993815,20cyclictest0-21swapper/012:35:060
12946993815,20cyclictest0-21swapper/012:35:060
12946993814,22cyclictest0-21swapper/009:21:370
12946993810,25cyclictest0-21swapper/011:00:250
46552375,13sleep30-21swapper/308:00:553
3892375,13sleep20-21swapper/207:52:402
304622375,13sleep20-21swapper/209:00:412
242622375,13sleep20-21swapper/207:32:592
242622375,13sleep20-21swapper/207:32:582
240572375,13sleep10-21swapper/108:46:041
200532375,13sleep20-21swapper/208:39:552
197952375,13sleep30-21swapper/307:20:573
178972375,13sleep20-21swapper/207:18:522
12949993714,20cyclictest0-21swapper/312:07:323
1294899375,16cyclictest0-21swapper/210:50:152
1294899375,16cyclictest0-21swapper/210:50:142
1294799374,20cyclictest0-21swapper/110:35:191
1294699378,27cyclictest0-21swapper/009:40:300
1294699378,27cyclictest0-21swapper/009:40:300
1294699377,27cyclictest0-21swapper/012:27:010
1294699377,27cyclictest0-21swapper/010:40:080
12946993714,20cyclictest0-21swapper/010:45:210
12946993714,20cyclictest0-21swapper/010:45:210
12946993710,24cyclictest0-21swapper/011:55:170
90192364,13sleep00-21swapper/008:11:230
48992365,13sleep20-21swapper/208:04:032
307062365,13sleep00-21swapper/007:47:570
305062365,13sleep00-21swapper/009:01:150
284122365,13sleep30-21swapper/308:56:573
221732365,12sleep10-21swapper/108:44:161
198952365,13sleep10-21swapper/107:22:161
178892365,13sleep00-21swapper/008:34:240
168912365,13sleep30-21swapper/308:30:183
1294799369,20cyclictest0-21swapper/109:05:111
12947993614,19cyclictest0-21swapper/109:55:211
1294699368,26cyclictest0-21swapper/009:15:330
12946993615,14cyclictest0-21swapper/012:10:350
12946993613,20cyclictest0-21swapper/009:45:230
12946993610,24cyclictest0-21swapper/009:35:120
90272355,10sleep20-21swapper/208:11:292
4992355,12sleep30-21swapper/309:09:363
315022354,13sleep00-21swapper/009:05:160
308162355,10sleep20-21swapper/207:49:182
307022355,13sleep10-21swapper/109:03:331
283272355,13sleep10-21swapper/108:55:511
27882354,13sleep00-21swapper/008:00:000
264382355,12sleep00-21swapper/008:53:530
149662355,10sleep20-21swapper/207:13:582
148872355,13sleep30-21swapper/307:13:073
135282355,12sleep10-21swapper/108:23:591
12949993514,18cyclictest0-21swapper/311:17:383
12947993521,12cyclictest0-21swapper/110:45:241
12947993521,12cyclictest0-21swapper/110:45:241
1294699358,25cyclictest0-21swapper/010:59:000
1294699358,25cyclictest0-21swapper/010:59:000
1294699357,25cyclictest0-21swapper/012:00:580
1294699357,25cyclictest0-21swapper/012:00:580
1294699356,26cyclictest0-21swapper/009:55:070
12946993515,18cyclictest0-21swapper/011:20:170
12946993515,18cyclictest0-21swapper/011:20:160
12946993514,19cyclictest0-21swapper/011:10:310
12946993513,20cyclictest0-21swapper/012:05:300
263872345,10sleep10-21swapper/108:53:131
241802340,1sleep224177-21turbostat.cron11:20:012
199092345,10sleep10-21swapper/108:38:061
176482345,10sleep10-21swapper/108:31:251
1294999346,25cyclictest0-21swapper/312:00:093
1294999346,25cyclictest0-21swapper/312:00:093
12949993416,15cyclictest0-21swapper/310:00:013
1294799345,27cyclictest0-21swapper/112:03:511
1294799345,27cyclictest0-21swapper/112:03:511
12947993420,12cyclictest0-21swapper/110:08:241
12947993414,17cyclictest0-21swapper/110:41:371
12947993413,18cyclictest0-21swapper/112:10:141
12946993415,16cyclictest0-21swapper/009:34:090
12946993410,21cyclictest0-21swapper/012:30:040
92882335,10sleep30-21swapper/308:14:463
24782335,10sleep30-21swapper/307:56:143
238002334,10sleep00-21swapper/007:30:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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