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2026-09-14 - 01:31
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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 Sun Sep 13, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
317959999445243,4698cyclictest17974-21kworker/0:208:22:460
317959992414808,4423cyclictest29392-21kworker/0:109:09:260
317959989904563,4417cyclictest29392-21kworker/0:108:29:560
317959986124389,4213cyclictest17974-21kworker/0:207:53:000
317959980844186,3847cyclictest17974-21kworker/0:207:44:320
317959980094034,3925cyclictest17974-21kworker/0:207:32:310
317959979614055,3864cyclictest17974-21kworker/0:207:27:070
317959978103962,3834cyclictest17974-21kworker/0:207:58:200
317959977484126,3584cyclictest14175-21kworker/0:210:20:180
317959976473854,3763cyclictest8756-21kworker/0:112:27:150
317959975384127,3389cyclictest29392-21kworker/0:109:29:300
317959974884098,3377cyclictest3756-21kworker/0:111:27:100
317959974273743,3633cyclictest17974-21kworker/0:208:06:160
317959973884030,3308cyclictest17974-21kworker/0:207:38:090
317959973053990,3272cyclictest29392-21kworker/0:108:52:470
317959972723893,3365cyclictest17067-21kworker/0:110:33:280
317959971103837,3263cyclictest17974-21kworker/0:207:46:080
317959970203742,3236cyclictest29392-21kworker/0:109:00:120
317959968693753,3057cyclictest17974-21kworker/0:207:22:230
317959966183645,2931cyclictest8756-21kworker/0:112:24:070
317959965743508,2990cyclictest3756-21kworker/0:111:07:390
317959965663332,3219cyclictest29392-21kworker/0:109:52:040
317959964753477,2949cyclictest29392-21kworker/0:109:49:160
317959964723589,2869cyclictest22995-21kworker/0:212:02:350
317959964583405,3038cyclictest29392-21kworker/0:109:39:550
317959964443457,2937cyclictest14175-21kworker/0:210:17:250
317959963823477,2901cyclictest29392-21kworker/0:108:37:480
317959962833496,2745cyclictest29392-21kworker/0:110:03:070
317959962823303,2964cyclictest17067-21kworker/0:110:50:270
317959962333347,2836cyclictest17974-21kworker/0:208:13:100
317959960553387,2626cyclictest29392-21kworker/0:109:16:560
317959960473259,2745cyclictest17067-21kworker/0:110:48:320
317959959673255,2708cyclictest17974-21kworker/0:207:19:380
317959953973081,2313cyclictest17974-21kworker/0:207:12:520
317959943244267,44cyclictest17067-21kworker/0:110:35:230
317959941934108,44cyclictest29392-21kworker/0:108:43:520
317959938822296,1564cyclictest3756-21kworker/0:111:10:360
317959937333641,79cyclictest22995-21kworker/0:211:44:060
317959926122555,44cyclictest22995-21kworker/0:211:46:000
317959922802222,44cyclictest29392-21kworker/0:108:46:240
31680266949,202sleep00-21swapper07:09:410
317959949340,453cyclictest0-21swapper11:17:570
317959948834,440cyclictest12858-21diskmemload10:07:350
317959948733,440cyclictest12858-21diskmemload10:27:090
317959948733,440cyclictest12858-21diskmemload09:58:360
317959948533,439cyclictest14540-21ssh09:11:460
317959948532,439cyclictest12858-21diskmemload12:05:360
317959948431,439cyclictest12858-21diskmemload09:43:410
317959947934,445cyclictest0-21swapper12:18:220
317959947932,433cyclictest17894-21rm12:38:180
317959947332,381cyclictest8988-21chrt08:59:120
317959946732,421cyclictest12-21rcu_preempt12:10:280
317959946534,370cyclictest12043-21ssh10:12:100
317959946533,371cyclictest29139-21rm11:55:140
317959946434,370cyclictest2520-21chrt11:00:230
317959946332,369cyclictest14787-21ssh12:31:020
317959946132,368cyclictest11-21ksoftirqd/010:57:440
317959940821,87cyclictest12858-21diskmemload11:20:400
317959940231,357cyclictest12858-21diskmemload11:50:540
317959940122,366cyclictest21543-21ssh11:39:340
317959940019,367cyclictest18904-21ssh11:32:480
317959939632,351cyclictest24705-21rm09:32:290
317959939115,88cyclictest12858-21diskmemload09:20:240
317959939115,88cyclictest12-21rcu_preempt08:03:270
317959938833,341cyclictest12858-21diskmemload10:44:020
317959936538,267cyclictest26079-21apt-get08:17:030
317959931237,262cyclictest29392-21kworker/0:108:33:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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