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2026-06-21 - 15:26
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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 highest latencies:
System rack8slot1.osadl.org (updated Sun Jun 21, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
164649928961624,0cyclictest16461-21cyclictest09:06:100
16464992893197,0cyclictest16443-21latency_hist06:59:040
16464992868697,0cyclictest23957-21runrttasks07:21:220
16464992685634,0cyclictest9-21ksoftirqd/007:59:060
16464992501284,0cyclictest19803-1kworker/0:1H09:59:070
16464992424729,0cyclictest9-21ksoftirqd/008:59:070
16464992323819,0cyclictest26555-21latency_hist11:14:050
16464992323764,0cyclictest9-21ksoftirqd/007:29:520
16464992296283,0cyclictest19803-1kworker/0:1H10:24:070
16464992294288,0cyclictest19803-1kworker/0:1H09:19:070
16464992285344,0cyclictest19803-1kworker/0:1H10:04:060
16464992281291,0cyclictest19803-1kworker/0:1H11:04:060
16464992278686,0cyclictest9-21ksoftirqd/010:19:060
16464992274163,0cyclictest19803-1kworker/0:1H10:59:070
16464992214666,0cyclictest9-21ksoftirqd/011:59:090
16464992198631,0cyclictest9-21ksoftirqd/009:39:070
16464992174685,0cyclictest9-21ksoftirqd/010:54:050
16464992160499,0cyclictest9-21ksoftirqd/008:19:070
16464992150247,0cyclictest19803-1kworker/0:1H10:34:060
16464992082322,0cyclictest4804-1kworker/0:0H08:54:060
16464992050728,0cyclictest9716-21latency_hist08:24:060
16464992032282,0cyclictest4804-1kworker/0:0H07:39:070
16464991948745,0cyclictest4320-21ntpd11:59:030
16464991928256,0cyclictest19803-1kworker/0:1H11:39:090
1646499191129,0cyclictest4207-21snmpd10:52:000
16464991890246,0cyclictest4804-1kworker/0:0H07:04:080
16464991854292,0cyclictest19803-1kworker/0:1H09:14:060
16464991822254,0cyclictest19803-1kworker/0:1H12:19:060
16464991760604,0cyclictest9-21ksoftirqd/011:24:060
16464991702767,0cyclictest3428-21which11:44:070
16464991692689,0cyclictest9843-21mailstats12:04:100
16464991685263,0cyclictest19803-1kworker/0:1H12:24:060
16464991662631,0cyclictest1595-21jbd2/hda3-809:54:050
16464991659329,0cyclictest19803-1kworker/0:1H10:44:050
16464991646703,0cyclictest15624-21latency_hist10:39:070
16464991643599,0cyclictest9-21ksoftirqd/009:24:060
16464991636145,0cyclictest19803-1kworker/0:1H10:29:160
16464991629576,0cyclictest9-21ksoftirqd/010:14:070
16464991628710,0cyclictest14311-21which08:39:080
16464991626551,0cyclictest9-21ksoftirqd/008:34:050
16464991617264,0cyclictest4804-1kworker/0:0H07:24:060
16464991598267,0cyclictest19803-1kworker/0:1H11:34:060
16464991589338,0cyclictest4804-1kworker/0:0H07:09:170
16464991578637,0cyclictest9-21ksoftirqd/007:44:070
16464991576635,0cyclictest9-21ksoftirqd/008:14:060
16464991547627,0cyclictest9-21ksoftirqd/009:09:170
16464991545649,0cyclictest9-21ksoftirqd/008:04:060
16464991524574,0cyclictest9-21ksoftirqd/007:14:050
16464991524517,0cyclictest9-21ksoftirqd/008:44:220
16464991494724,0cyclictest32073-21cat07:49:160
16464991489616,0cyclictest9-21ksoftirqd/011:31:450
16464991489289,0cyclictest4804-1kworker/0:0H08:09:160
16464991487263,0cyclictest19803-1kworker/0:1H11:09:150
1646499148395,0cyclictest19803-1kworker/0:1H12:14:060
16464991471286,0cyclictest19803-1kworker/0:1H10:09:160
16464991470321,0cyclictest19803-1kworker/0:1H11:49:160
16464991465276,0cyclictest4804-1kworker/0:0H07:34:070
16464991410112,0cyclictest19803-1kworker/0:1H12:11:520
16464991390613,0cyclictest9-21ksoftirqd/009:29:180
16464991356379,0cyclictest9-21ksoftirqd/008:31:550
16464991336785,0cyclictest27966-21seq11:19:090
16464991308280,0cyclictest19803-1kworker/0:1H09:49:170
16464991307226,0cyclictest19803-1kworker/0:1H09:49:110
16464991167642,0cyclictest9-21ksoftirqd/009:39:020
1646499107030,0cyclictest4804-1kworker/0:0H07:54:070
1646499991588,0cyclictest9-21ksoftirqd/008:49:160
1015030,0rcuc/014608-21cron06:53:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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