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2025-12-14 - 03:01
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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 rack0slot1.osadl.org (updated Sun Dec 14, 2025 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
60321140,0sleep50-21swapper/500:25:085
2333527872,3sleep00-21swapper/019:06:450
136492700,1sleep668-21rcuc/621:28:466
82582650,0sleep50-21swapper/522:25:085
224022650,1sleep73403-21runrttasks19:05:157
231932610,0sleep00-21swapper/022:54:270
199852580,0sleep40-21swapper/421:32:204
222032570,0sleep30-21swapper/323:33:393
2329225523,7sleep30-21swapper/319:06:323
2317424624,7sleep10-21swapper/119:06:141
2461923927,7sleep50-21swapper/519:08:435
2400223826,7sleep40-21swapper/419:07:374
2483023723,8sleep20-21swapper/219:09:202
2329923522,8sleep60-21swapper/619:06:356
2599099300,1cyclictest0-21swapper/719:10:587
2599099300,1cyclictest0-21swapper/719:10:587
25983992321,1cyclictest7792-21kworker/6:122:23:206
25983992321,1cyclictest7421-21kworker/6:200:09:346
2598399213,17cyclictest19261-21postmaster22:27:576
25958992113,1cyclictest0-21swapper/220:41:442
25958992110,2cyclictest13910-21Provisiond-Task00:11:012
89482200,0sleep60-21swapper/623:45:126
27752200,0sleep00-21swapper/023:21:110
2597099203,15cyclictest21034-21postmaster23:11:154
2595899201,6cyclictest12905-21JNI-ICMP-16786-20:29:402
2595899200,1cyclictest0-21swapper/222:30:292
2595899200,1cyclictest0-21swapper/222:00:352
2595499203,11cyclictest14190-21JNI-ICMP-17411-20:39:060
2595899191,3cyclictest14190-21JNI-ICMP-17411-00:05:032
25983991812,3cyclictest1763-21kworker/6:000:25:026
2595899184,4cyclictest12070-21JNI-ICMP-16107-20:59:502
2595899183,6cyclictest14190-21JNI-ICMP-17411-20:10:312
2595899183,5cyclictest12908-21JNI-ICMP-26673-23:34:572
2595899183,4cyclictest14190-21JNI-ICMP-17411-23:42:222
2595899182,5cyclictest12064-21JNI-ICMP-22276-21:29:302
2595499184,12cyclictest12064-21JNI-ICMP-22276-00:15:180
95322170,0sleep40-21swapper/422:45:184
95322170,0sleep40-21swapper/422:45:184
25983991715,1cyclictest70-21ksoftirqd/600:34:096
25977991713,2cyclictest61-21ksoftirqd/523:37:565
25977991712,4cyclictest59-21rcuc/522:13:145
2595899178,2cyclictest212650irq/33-eth2-TxR23:20:272
2595899174,4cyclictest12905-21JNI-ICMP-16786-21:15:152
2595899173,6cyclictest12064-21JNI-ICMP-22276-21:21:472
2595899173,5cyclictest14190-21JNI-ICMP-17411-21:30:322
2595899173,5cyclictest12905-21JNI-ICMP-16786-00:23:142
2595899173,5cyclictest12070-21JNI-ICMP-16107-20:45:462
2595899173,4cyclictest12914-21JNI-ICMP-13708-21:54:312
2595899173,4cyclictest12908-21JNI-ICMP-26673-00:15:512
2595899172,6cyclictest12070-21JNI-ICMP-16107-22:35:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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