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2026-09-24 - 23:19
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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 Thu Sep 24, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2551399108895603,5283cyclictest16833-21kworker/0:008:12:590
255139996825085,4587cyclictest8556-21kworker/0:207:33:450
255139996425167,4461cyclictest16833-21kworker/0:009:55:290
255139989504634,4306cyclictest8556-21kworker/0:207:39:180
255139988164487,4325cyclictest8556-21kworker/0:207:15:570
255139986454396,4239cyclictest16833-21kworker/0:008:27:580
255139982564192,4051cyclictest8556-21kworker/0:207:57:530
255139981204209,3860cyclictest16833-21kworker/0:009:09:340
255139979184107,3788cyclictest8556-21kworker/0:207:14:130
255139979084002,3892cyclictest16833-21kworker/0:009:45:210
255139978984302,3582cyclictest12514-21kworker/0:111:38:140
255139978514249,3552cyclictest16833-21kworker/0:008:54:490
255139976934037,3615cyclictest19474-21kworker/0:010:52:130
255139976004129,3420cyclictest8556-21kworker/0:207:22:210
255139975634035,3515cyclictest16833-21kworker/0:009:34:340
255139975624117,3431cyclictest8556-21kworker/0:207:43:420
255139973694017,3339cyclictest3738-21kworker/0:111:14:080
255139973133999,3301cyclictest5062-21kworker/0:110:12:540
255139971443850,3290cyclictest8556-21kworker/0:208:05:460
255139971103812,3285cyclictest30394-21kworker/0:012:14:340
255139968163580,3226cyclictest16833-21kworker/0:008:20:130
255139968123685,3123cyclictest16833-21kworker/0:008:49:290
255139966283457,3157cyclictest16833-21kworker/0:009:23:370
255139965913345,3232cyclictest16833-21kworker/0:009:13:040
255139965863572,3010cyclictest16833-21kworker/0:008:56:250
255139965793313,3243cyclictest1669-21kworker/0:210:02:500
255139965763635,2937cyclictest12514-21kworker/0:111:59:300
255139965463611,2921cyclictest8556-21kworker/0:207:27:100
255139965293594,2892cyclictest16833-21kworker/0:008:18:350
255139965243541,2980cyclictest16833-21kworker/0:008:42:420
255139964733577,2883cyclictest6022-21kworker/0:112:34:380
255139963963547,2836cyclictest19474-21kworker/0:011:02:260
255139963873353,3012cyclictest8556-21kworker/0:207:52:260
255139963663350,3012cyclictest16833-21kworker/0:008:35:130
255139963403197,3114cyclictest5062-21kworker/0:110:24:190
255139962913297,2980cyclictest6022-21kworker/0:112:36:340
255139962763421,2851cyclictest16833-21kworker/0:009:03:500
255139962163334,2840cyclictest13925-21kworker/0:210:31:450
255139961863449,2695cyclictest12514-21kworker/0:111:47:420
255139961663237,2915cyclictest6022-21kworker/0:112:25:280
255139960873393,2681cyclictest9594-21kworker/0:211:23:460
255139960383357,2639cyclictest16833-21kworker/0:008:33:390
255139957043099,2591cyclictest12514-21kworker/0:111:50:310
255139953042719,2575cyclictest8556-21kworker/0:207:45:190
255139944164361,42cyclictest3738-21kworker/0:111:16:040
255139940802297,1769cyclictest19474-21kworker/0:011:05:240
255139938243731,81cyclictest16833-21kworker/0:009:52:410
255139937893696,43cyclictest12514-21kworker/0:111:35:000
255139937803562,177cyclictest6022-21kworker/0:112:23:360
255139937373646,79cyclictest16833-21kworker/0:009:42:280
255139936663566,87cyclictest8556-21kworker/0:208:04:100
255139932963249,34cyclictest19474-21kworker/0:010:41:480
255139924442397,34cyclictest12514-21kworker/0:112:01:510
255139923782323,42cyclictest9594-21kworker/0:211:26:060
252002774185,203sleep00-21swapper07:08:020
255139948632,440cyclictest29553-21ssh10:57:330
255139948431,439cyclictest6579-21diskmemload10:29:550
25513994277,350cyclictest23040-21chrt10:45:170
255139940434,357cyclictest11-21ksoftirqd/009:25:070
255139940332,371cyclictest0-21swapper10:08:300
255139940021,356cyclictest6579-21diskmemload10:36:270
255139939617,364cyclictest4224-21lldpd11:40:430
255139939531,350cyclictest93702chrt10:16:400
255139939321,87cyclictest6579-21diskmemload12:08:480
255139939319,88cyclictest9768-21irqstats09:15:150
255139939016,361cyclictest21914-21rm09:39:320
255139937220,32cyclictest351950irq/10-yenta12:16:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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