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2026-04-18 - 16:16
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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 highest latencies:
System rack6slot5.osadl.org (updated Sat Apr 18, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1015599101575335,4811cyclictest32732-21kworker/0:108:09:230
101559996354823,4769cyclictest5659-21kworker/0:107:34:000
101559995695122,4436cyclictest32732-21kworker/0:108:14:350
101559991184618,4496cyclictest4052-21kworker/0:109:38:360
101559990974702,4384cyclictest12233-21kworker/0:209:05:410
101559989914693,4283cyclictest5659-21kworker/0:107:25:450
101559989814644,4326cyclictest5659-21kworker/0:107:35:250
101559986874366,4309cyclictest27122-21kworker/0:210:48:540
101559986654359,4292cyclictest12233-21kworker/0:208:47:230
101559986534480,4161cyclictest12233-21kworker/0:208:59:510
101559986364571,4054cyclictest30471-21kworker/0:008:04:150
101559984464275,4161cyclictest5659-21kworker/0:107:59:100
101559983224359,3912cyclictest12233-21kworker/0:208:52:500
101559981484404,3720cyclictest10384-21kworker/0:212:16:250
101559979684012,3913cyclictest5659-21kworker/0:107:47:440
101559978534232,3570cyclictest12233-21kworker/0:208:41:440
101559977834125,3643cyclictest30940-21kworker/0:009:29:440
101559977204060,3617cyclictest27122-21kworker/0:210:33:220
101559976743952,3678cyclictest11112-21kworker/0:011:18:470
101559975493919,3615cyclictest18507-21kworker/0:012:29:000
101559974663834,3581cyclictest5659-21kworker/0:107:21:360
101559972953868,3412cyclictest4205-21kworker/0:211:49:220
101559970853746,3296cyclictest5659-21kworker/0:107:17:380
101559970503640,3358cyclictest32732-21kworker/0:108:36:110
101559969833668,3173cyclictest11112-21kworker/0:011:08:290
101559969803716,3249cyclictest15848-21kworker/0:110:02:090
101559968963704,3180cyclictest5659-21kworker/0:107:44:260
101559968573680,3166cyclictest32732-21kworker/0:108:20:090
101559968313648,3168cyclictest12233-21kworker/0:209:18:210
101559968093629,3165cyclictest10384-21kworker/0:212:01:550
101559967333572,3118cyclictest12678-21kworker/0:009:53:260
101559966773502,3160cyclictest11112-21kworker/0:011:38:560
101559965713314,3242cyclictest11112-21kworker/0:011:20:510
101559965693473,3009cyclictest10384-21kworker/0:212:14:270
101559965683490,3063cyclictest12233-21kworker/0:209:04:050
101559965523406,3130cyclictest11112-21kworker/0:011:10:260
101559965363447,2996cyclictest27122-21kworker/0:210:22:070
101559964763441,2992cyclictest11112-21kworker/0:010:57:440
101559964453365,3066cyclictest11112-21kworker/0:011:31:060
101559964113407,2961cyclictest15848-21kworker/0:110:11:450
101559964043323,3067cyclictest7200-21kworker/0:209:44:440
101559963983325,3049cyclictest11112-21kworker/0:011:40:570
101559962873397,2879cyclictest32732-21kworker/0:108:25:530
101559962683496,2769cyclictest5659-21kworker/0:107:13:090
101559962173250,2953cyclictest12233-21kworker/0:209:12:400
101559961893299,2847cyclictest11112-21kworker/0:011:28:440
101559961653286,2836cyclictest32732-21kworker/0:108:18:330
101559961393322,2806cyclictest5659-21kworker/0:107:54:070
101559958973090,2784cyclictest4205-21kworker/0:211:51:300
101559952972798,2488cyclictest12678-21kworker/0:009:55:010
101559949242486,2415cyclictest27122-21kworker/0:210:36:380
101559949212516,2394cyclictest12233-21kworker/0:209:20:010
101559946462577,2058cyclictest32732-21kworker/0:108:31:320
101559939422211,1716cyclictest7200-21kworker/0:209:47:020
100142774183,203sleep00-21swapper07:09:270
101559948934,441cyclictest20870-21ssh12:24:110
101559946736,369cyclictest23547-21diskmemload12:38:230
101559946712,439cyclictest14346-21ssh11:00:510
10155994619,436cyclictest2242-21sed09:30:250
101559946167,210cyclictest11-21ksoftirqd/011:55:280
10155994595,438cyclictest12153-21awk12:05:190
101559945156,211cyclictest11-21ksoftirqd/010:40:480
101559944868,366cyclictest0-21swapper10:18:450
101559943566,187cyclictest0-21swapper12:33:450
101559942158,349cyclictest8699-21ssh10:50:390
101559939337,356cyclictest0-21swapper10:29:390
101559938733,340cyclictest4272-21snmpd10:07:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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