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2026-01-05 - 10:43
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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 50 highest latencies:
System rack3slot0.osadl.org (updated Mon Jan 05, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165062710,1sleep2720399cyclictest00:11:582
69362670,2sleep3720899cyclictest22:01:133
680725948,8sleep20-21swapper/219:05:282
191942510,0sleep30-21swapper/323:07:283
251992500,2sleep6722699cyclictest22:20:146
96612490,0sleep70-21swapper/700:31:577
682724937,8sleep40-21swapper/419:05:464
272862490,1sleep427287-21bash00:37:154
700224825,8sleep50-21swapper/519:08:115
684424825,8sleep10-21swapper/119:05:591
53292470,0sleep70-21swapper/722:55:397
294292460,0sleep30-21swapper/323:18:493
269572450,0sleep60-21swapper/623:08:196
238532450,2sleep6722699cyclictest22:40:326
183352450,0sleep40-21swapper/423:10:424
115922450,0sleep50-21swapper/522:29:105
105702440,0sleep30-21swapper/300:38:583
675724330,9sleep70-21swapper/719:04:537
232572430,1sleep323258-21grep00:29:533
222202430,0sleep70-21swapper/723:07:487
264992420,0sleep20-21swapper/223:28:502
14292420,2sleep0720199cyclictest22:58:520
707024129,9sleep60-21swapper/619:09:086
685424130,8sleep00-21swapper/019:06:060
320622410,0sleep50-21swapper/523:59:525
12522410,0sleep30-21swapper/321:15:563
704724027,9sleep30-21swapper/319:08:493
316562390,0sleep10-21swapper/122:24:251
307432390,0sleep30-21swapper/300:06:393
266452390,0sleep10-21swapper/121:42:451
178392390,2sleep1720299cyclictest22:43:321
20472370,0sleep40-21swapper/421:33:194
307362360,0sleep00-21swapper/000:34:150
280422350,2sleep5722099cyclictest22:24:055
70322310,0sleep70-21swapper/723:54:017
7220992511,3cyclictest57-21ksoftirqd/522:50:205
722099239,3cyclictest57-21ksoftirqd/521:28:395
722099238,1cyclictest57-21ksoftirqd/523:21:205
722099229,1cyclictest57-21ksoftirqd/521:57:565
7220992215,4cyclictest57-21ksoftirqd/523:12:155
722099217,2cyclictest57-21ksoftirqd/500:29:215
8372200,0sleep50-21swapper/521:43:295
722099208,1cyclictest57-21ksoftirqd/523:50:385
722099206,3cyclictest57-21ksoftirqd/522:56:025
722099197,2cyclictest57-21ksoftirqd/522:18:335
722099196,2cyclictest57-21ksoftirqd/523:47:305
722099196,2cyclictest57-21ksoftirqd/523:47:305
722099195,3cyclictest57-21ksoftirqd/521:14:045
722099194,2cyclictest57-21ksoftirqd/521:22:375
7220991915,1cyclictest57-21ksoftirqd/522:45:075
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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