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2026-05-08 - 21:14
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackbslot6.osadl.org (updated Fri May 08, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2058321600,3sleep01935099cyclictest13:56:470
2058321600,3sleep01935099cyclictest13:56:470
1068911050,4ptp4l401ktimersoftd/308:28:293
151402840,2sleep10-21swapper/113:51:421
106891740,10ptp4l401ktimersoftd/313:09:153
106891720,1ptp4l401ktimersoftd/313:29:393
80452660,2sleep20-21swapper/211:31:482
190482664,10sleep00-21swapper/008:28:420
106891660,2ptp4l401ktimersoftd/312:13:593
106891660,2ptp4l401ktimersoftd/312:13:593
95142650,2sleep112272-21diskmemload11:33:271
1936299639,20cyclictest26563-21timerwakeupswit08:41:502
19350996353,6cyclictest9-21ksoftirqd/012:31:400
19350996252,5cyclictest9-21ksoftirqd/011:51:390
1936299610,31cyclictest21634-21ssh12:51:462
110762610,2sleep20-21swapper/213:13:492
106891610,1ptp4l401ktimersoftd/311:08:053
1936299591,24cyclictest16411-21snmp_o5powerctl13:51:542
19350995949,5cyclictest9-21ksoftirqd/012:26:390
106891590,1ptp4l401ktimersoftd/312:28:093
106891570,2ptp4l26355-21kworker/3:212:56:173
277282560,4sleep11935699cyclictest08:46:381
106891550,1ptp4l401ktimersoftd/313:53:203
190112540,2sleep20-21swapper/211:42:522
106891520,1ptp4l401ktimersoftd/312:20:513
105791500,4getstats1936799cyclictest12:11:183
19350994922,17cyclictest9-21ksoftirqd/011:41:270
19350994921,6cyclictest9-21ksoftirqd/012:17:330
19350994920,6cyclictest9-21ksoftirqd/012:13:240
19350994920,6cyclictest9-21ksoftirqd/012:13:240
19350994920,4cyclictest9-21ksoftirqd/010:34:300
19350994920,4cyclictest9-21ksoftirqd/010:34:300
190172494,34sleep10-21swapper/108:28:191
106891490,12ptp4l1421-21kworker/3:211:35:593
19350994836,3cyclictest9-21ksoftirqd/011:56:560
19350994824,4cyclictest9-21ksoftirqd/012:11:200
19350994822,7cyclictest9-21ksoftirqd/010:58:070
19350994820,4cyclictest9-21ksoftirqd/013:23:580
1936299471,24cyclictest22123-21systemctl10:41:252
19350994718,6cyclictest9-21ksoftirqd/011:35:140
1935099467,4cyclictest9-21ksoftirqd/013:36:420
19350994617,7cyclictest9-21ksoftirqd/012:21:570
106891460,1ptp4l401ktimersoftd/310:36:233
106891460,1ptp4l401ktimersoftd/310:36:233
106891460,0ptp4l401ktimersoftd/311:59:163
1935699455,34cyclictest1875-21ssh11:26:381
19350994538,3cyclictest9-21ksoftirqd/010:16:290
19350994526,7cyclictest9-21ksoftirqd/010:01:450
19350994523,7cyclictest9-21ksoftirqd/012:49:270
19350994521,4cyclictest9-21ksoftirqd/012:38:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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