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2026-08-22 - 15:49
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 100 highest latencies:
System rack8slot1.osadl.org (updated Sat Aug 22, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2245999444726,0cyclictest0-21swapper09:40:460
224599934493333,0cyclictest0-21swapper06:55:110
224599932541885,0cyclictest0-21swapper10:20:470
22459992920492,0cyclictest21321-21latency_hist09:55:110
22459992638255,0cyclictest24106-1kworker/0:1H08:55:120
22459992531181,0cyclictest24106-1kworker/0:1H10:50:120
22459992497570,0cyclictest4256-21munin-node07:35:130
22459992459229,0cyclictest24106-1kworker/0:1H09:20:130
22459992438268,0cyclictest24106-1kworker/0:1H07:30:120
22459992391588,0cyclictest0-21swapper09:15:120
22459992385565,0cyclictest27050-21which11:45:150
22459992364562,0cyclictest9-21ksoftirqd/007:25:150
22459992353540,0cyclictest9-21ksoftirqd/012:00:110
22459992344549,0cyclictest0-21swapper07:15:120
22459992325292,0cyclictest24106-1kworker/0:1H08:35:120
22459992320275,0cyclictest24106-1kworker/0:1H09:50:110
22459992318267,0cyclictest24106-1kworker/0:1H08:10:120
22459992316554,0cyclictest18319-21latency_hist08:15:120
22459992312231,0cyclictest24106-1kworker/0:1H12:10:120
22459992310312,0cyclictest24106-1kworker/0:1H07:20:120
22459992279310,0cyclictest24106-1kworker/0:1H10:00:130
22459992264443,0cyclictest9-21ksoftirqd/011:40:110
22459992254698,0cyclictest4201-21latency_hist10:40:110
22459992245693,0cyclictest1595-21jbd2/hda3-810:10:120
22459992230688,0cyclictest9-21ksoftirqd/011:35:120
22459992225692,0cyclictest11246-21latency_hist11:00:110
22459992221519,0cyclictest0-21swapper10:15:120
22459992199274,0cyclictest24106-1kworker/0:1H09:10:120
22459992196303,0cyclictest24106-1kworker/0:1H11:20:110
22459992189597,0cyclictest6987-21latency_hist12:20:110
22459992185463,0cyclictest9-21ksoftirqd/011:50:120
22459992175549,0cyclictest14669-21ls11:10:110
22459992175242,0cyclictest24106-1kworker/0:1H08:20:120
22459992152191,0cyclictest24106-1kworker/0:1H08:50:120
22459992139269,0cyclictest24106-1kworker/0:1H11:55:120
22459992127211,0cyclictest9-21ksoftirqd/007:55:120
22459992126659,0cyclictest9-21ksoftirqd/010:35:120
22459992108515,0cyclictest23529-21kworker/0:207:00:110
22459991985296,0cyclictest24106-1kworker/0:1H12:15:110
22459991981247,0cyclictest24106-1kworker/0:1H11:30:120
22459991970297,0cyclictest24106-1kworker/0:1H07:50:120
22459991954269,0cyclictest24106-1kworker/0:1H08:30:140
22459991946435,0cyclictest9-21ksoftirqd/009:25:190
22459991935126,0cyclictest24106-1kworker/0:1H10:30:120
22459991859721,0cyclictest1638-21which12:05:140
22459991857535,0cyclictest9-21ksoftirqd/009:00:120
22459991823179,0cyclictest24106-1kworker/0:1H08:40:120
22459991793664,0cyclictest6089-21wc10:45:150
22459991762307,0cyclictest24106-1kworker/0:1H10:25:160
22459991758461,0cyclictest7812-21ls07:45:150
22459991750689,0cyclictest14884-21latency_hist08:05:160
22459991740232,0cyclictest24106-1kworker/0:1H08:00:130
22459991700547,0cyclictest22458-21cyclictest09:45:170
22459991682155,0cyclictest24106-1kworker/0:1H09:36:330
22459991673620,0cyclictest9637-21sed10:55:130
22459991672248,0cyclictest24106-1kworker/0:1H07:05:170
22459991663606,0cyclictest29022-21ls08:45:150
22459991652462,0cyclictest9-21ksoftirqd/007:40:130
22459991644219,0cyclictest24106-1kworker/0:1H09:05:160
22459991629241,0cyclictest24106-1kworker/0:1H11:05:160
22459991624619,0cyclictest9-21ksoftirqd/011:25:230
22459991574756,0cyclictest24855-21sendmail_mailtr10:05:160
22459991551441,0cyclictest9-21ksoftirqd/008:26:340
22459991546430,0cyclictest17786-21fschecks_count11:17:390
10115200,0rcuc/020604-21cron06:50:050
22459991439585,0cyclictest9-21ksoftirqd/009:30:120
22459991331469,0cyclictest29153-21grep07:12:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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