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2026-05-20 - 03:54
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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 all highest latencies:
System rack6slot5.osadl.org (updated Wed May 20, 2026 00:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2554199106285513,5072cyclictest13136-21kworker/0:222:39:530
255419999745322,4640cyclictest17981-21kworker/0:121:01:290
255419998995175,4713cyclictest18062-21kworker/0:021:34:590
255419997805127,4648cyclictest31670-21kworker/0:219:40:040
255419992834687,4585cyclictest19070-21kworker/0:100:01:310
255419992154656,4548cyclictest17981-21kworker/0:121:14:100
255419991804743,4433cyclictest7527-21kworker/0:119:16:120
255419991404724,4412cyclictest17981-21kworker/0:120:23:210
255419990724592,4476cyclictest17981-21kworker/0:120:28:410
255419989474827,4108cyclictest7470-21kworker/0:020:12:450
255419989254479,4395cyclictest31670-21kworker/0:219:33:580
255419988354574,4256cyclictest31670-21kworker/0:219:27:390
255419987264384,4327cyclictest7470-21kworker/0:019:47:190
255419986194315,4262cyclictest7470-21kworker/0:019:51:490
255419986184447,4148cyclictest13136-21kworker/0:222:33:360
255419986064406,4150cyclictest24645-21kworker/0:221:55:530
255419986064328,4255cyclictest17981-21kworker/0:121:21:290
255419982604167,4050cyclictest17981-21kworker/0:120:59:530
255419982494350,3884cyclictest19070-21kworker/0:123:18:400
255419982324320,3852cyclictest19070-21kworker/0:123:51:130
255419979984221,3762cyclictest24645-21kworker/0:222:07:080
255419979924192,3776cyclictest19070-21kworker/0:123:35:030
255419977954200,3552cyclictest17981-21kworker/0:120:48:390
255419977273880,3796cyclictest17981-21kworker/0:120:32:370
255419977114076,3621cyclictest7470-21kworker/0:020:01:230
255419977084079,3590cyclictest19070-21kworker/0:123:20:440
255419976663942,3674cyclictest24645-21kworker/0:222:14:360
255419976523953,3648cyclictest17981-21kworker/0:121:27:090
255419976514154,3483cyclictest19070-21kworker/0:122:43:180
255419974633932,3488cyclictest20874-21kworker/0:121:40:100
255419972653834,3380cyclictest32164-21kworker/0:200:25:140
255419972603950,3287cyclictest32164-21kworker/0:200:39:270
255419971883817,3320cyclictest19070-21kworker/0:122:50:150
255419970393618,3361cyclictest32164-21kworker/0:200:16:520
255419968603679,3170cyclictest19070-21kworker/0:123:36:380
255419968513628,3180cyclictest9649-21kworker/0:022:22:300
255419967873647,3129cyclictest19070-21kworker/0:123:28:380
255419966963707,2986cyclictest7527-21kworker/0:119:13:130
255419966693685,2972cyclictest31670-21kworker/0:219:35:490
255419966523632,2969cyclictest17981-21kworker/0:120:16:380
255419966473628,2976cyclictest19070-21kworker/0:100:08:120
255419966403520,3069cyclictest17981-21kworker/0:121:19:070
255419966143510,3053cyclictest17981-21kworker/0:121:06:190
255419966063605,2949cyclictest17981-21kworker/0:120:54:040
255419965993491,3056cyclictest7470-21kworker/0:020:06:200
255419965713508,3049cyclictest19070-21kworker/0:123:42:590
255419965253511,3000cyclictest17981-21kworker/0:120:43:150
255419965073606,2897cyclictest7527-21kworker/0:119:23:290
255419964553520,2920cyclictest19070-21kworker/0:122:58:410
255419963573377,2938cyclictest19070-21kworker/0:123:59:550
255419962333146,3072cyclictest19070-21kworker/0:123:45:030
255419961863390,2781cyclictest24645-21kworker/0:221:47:050
255419961753328,2835cyclictest24645-21kworker/0:222:15:560
255419961023400,2691cyclictest7470-21kworker/0:019:57:570
255419953532830,2512cyclictest17981-21kworker/0:120:39:150
255419947802514,2252cyclictest19070-21kworker/0:123:07:400
255419943442205,2124cyclictest19070-21kworker/0:123:11:070
255419938952380,1499cyclictest19070-21kworker/0:123:00:410
252402783184,204sleep00-21swapper19:08:080
25541994629,438cyclictest12490-21ssh22:25:420
255419946211,437cyclictest20319-21rm21:36:090
255419946021,370cyclictest6334-21diskmemload00:13:260
25541994561,440cyclictest31757-21ssh22:00:180
25541994530,438cyclictest27502-21missed_timers21:50:440
255419942950,365cyclictest4596-21ssh00:22:550
255419941856,303cyclictest0-21swapper00:34:110
255419939534,347cyclictest345450irq/10-yenta22:47:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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