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2026-06-07 - 14:04
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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 07, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1845299460330,0cyclictest23618-1kworker/0:1H06:59:550
184529944044315,0cyclictest28414-21mailstats12:05:100
18452993163737,0cyclictest28596-21ls08:59:550
18452992889759,0cyclictest0-21swapper08:21:510
18452992727692,0cyclictest26436-21latency_hist11:59:550
18452992624672,0cyclictest9-21ksoftirqd/010:59:550
18452992544553,0cyclictest14143-21runrttasks11:24:550
18452992520265,0cyclictest23618-1kworker/0:1H11:34:550
18452992470222,0cyclictest23618-1kworker/0:1H09:44:560
1845299245022,0cyclictest0-21swapper09:30:100
18452992425514,0cyclictest2736-21munin-node09:19:560
18452992405218,0cyclictest23618-1kworker/0:1H11:14:560
18452992397534,0cyclictest9-21ksoftirqd/008:44:560
18452992384278,0cyclictest23618-1kworker/0:1H09:14:560
18452992362636,0cyclictest0-21swapper11:44:550
18452992353546,0cyclictest30521-21latency_hist10:39:550
18452992335564,0cyclictest9-21ksoftirqd/008:54:550
18452992335186,0cyclictest23618-1kworker/0:1H09:04:550
18452992329557,0cyclictest2016-21munin-node07:44:560
18452992319247,0cyclictest23618-1kworker/0:1H10:44:540
18452992317578,0cyclictest19770-21latency_hist08:34:570
18452992317462,0cyclictest32710-21munin-node07:39:560
18452992316181,0cyclictest23618-1kworker/0:1H10:54:550
18452992304178,0cyclictest23618-1kworker/0:1H09:34:550
18452992303533,0cyclictest31635-21munin-node12:14:560
18452992298422,0cyclictest9-21ksoftirqd/008:39:560
18452992279264,0cyclictest23618-1kworker/0:1H07:34:560
18452992278446,0cyclictest1595-21jbd2/hda3-809:39:550
18452992270550,0cyclictest2605-21latency_hist12:24:550
18452992263452,0cyclictest5607-21cut07:54:560
18452992237214,0cyclictest23618-1kworker/0:1H10:14:550
18452992233582,0cyclictest16217-21munin-node08:24:550
18452992197694,0cyclictest9-21ksoftirqd/007:24:570
18452992171260,0cyclictest23618-1kworker/0:1H10:34:550
18452992129502,0cyclictest7047-21ls11:04:550
18452992125270,0cyclictest23618-1kworker/0:1H10:04:550
18452992120115,0cyclictest23618-1kworker/0:1H12:19:560
18452992102504,0cyclictest9-21ksoftirqd/011:09:590
18452992090522,0cyclictest9-21ksoftirqd/010:24:550
18452992061508,0cyclictest9-21ksoftirqd/011:49:580
18452992061267,0cyclictest23618-1kworker/0:1H11:54:550
18452991989748,0cyclictest3789-21sendmail_mailtr07:49:590
18452991985206,0cyclictest23618-1kworker/0:1H09:59:560
18452991935247,0cyclictest23618-1kworker/0:1H09:24:550
18452991887513,0cyclictest9-21ksoftirqd/008:04:590
18452991882578,0cyclictest29171-21which07:29:590
18452991862235,0cyclictest23618-1kworker/0:1H08:49:590
18452991851542,0cyclictest25626-21munin-node07:19:560
18452991850221,0cyclictest23618-1kworker/0:1H09:54:560
18452991814645,0cyclictest9-21ksoftirqd/010:19:560
18452991800492,0cyclictest13655-21tune2fs11:22:100
18452991767250,0cyclictest23618-1kworker/0:1H11:39:550
18452991745264,0cyclictest23618-1kworker/0:1H09:50:000
18452991730557,0cyclictest9-21ksoftirqd/011:29:590
18452991718485,0cyclictest17987-21latency_hist08:30:000
18452991703678,0cyclictest23618-1kworker/0:1H07:09:590
18452991668211,0cyclictest23618-1kworker/0:1H10:30:000
18452991667751,0cyclictest20019-21sendmail_mailtr10:10:000
18452991626284,0cyclictest23618-1kworker/0:1H08:14:570
18452991602514,0cyclictest1749-21munin-node10:50:060
18452991581190,0cyclictest23618-1kworker/0:1H08:10:050
18452991547270,0cyclictest1595-21jbd2/hda3-807:17:100
18452991533510,0cyclictest29929-21munin-node12:10:070
18452991393313,0cyclictest8603-21tune2fs08:02:080
18452991353325,0cyclictest0-21swapper09:12:280
10113020,0rcuc/023618-1kworker/0:1H06:54:490
18452991229470,0cyclictest9-21ksoftirqd/007:04:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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