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2026-08-18 - 18:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of all highest latencies:
System rack6slot5.osadl.org (updated Tue Aug 18, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
169419996935082,4607cyclictest7525-21kworker/0:107:56:070
169419996385169,4467cyclictest7525-21kworker/0:107:12:450
169419985334308,4175cyclictest15076-21kworker/0:008:59:120
169419979833987,3945cyclictest7525-21kworker/0:107:45:070
169419979484265,3670cyclictest7525-21kworker/0:107:18:080
169419979154294,3607cyclictest15076-21kworker/0:009:02:490
169419977953900,3845cyclictest7525-21kworker/0:107:36:170
169419974434041,3388cyclictest7525-21kworker/0:108:24:060
169419969833510,3432cyclictest7525-21kworker/0:107:22:520
169419967473694,3011cyclictest7525-21kworker/0:108:04:130
169419965613582,2929cyclictest7525-21kworker/0:107:28:310
169419963673411,2942cyclictest15076-21kworker/0:008:42:260
169419947612531,2226cyclictest7525-21kworker/0:107:30:080
169419942274011,176cyclictest7525-21kworker/0:107:54:320
169419942244133,79cyclictest15076-21kworker/0:008:38:440
169419940922367,1711cyclictest7525-21kworker/0:108:08:180
167042779183,203sleep00-21swapper07:09:110
169419944353,91cyclictest32597-21ssh11:43:000
16941994418,372cyclictest3417-21netstat10:36:140
16941994408,372cyclictest26155-21chrt10:15:080
169419943953,191cyclictest10944-21seq12:09:010
16941994322,369cyclictest30044-21diskmemload09:13:290
169419943152,88cyclictest4143-21ssh09:24:350
169419943044,203cyclictest6437-21latency_hist09:30:070
169419942556,356cyclictest23222-21ssh11:21:190
169419942453,357cyclictest0-21swapper12:18:120
169419942436,96cyclictest17694-21ssh11:09:560
169419942138,88cyclictest11-21ksoftirqd/011:35:280
16941994192,357cyclictest0-21swapper08:52:560
169419941779,324cyclictest12763-21rm09:43:590
169419940832,361cyclictest19676-21rm12:29:100
169419940527,364cyclictest15340-21tr09:50:150
169419940335,368cyclictest0-21swapper10:44:560
169419940054,346cyclictest0-21swapper11:51:590
169419939943,356cyclictest0-21swapper09:08:590
169419939939,347cyclictest28307-21ssh11:33:280
169419939934,365cyclictest20091-21ntp_states12:30:220
169419939831,353cyclictest30044-21diskmemload11:00:580
169419939736,361cyclictest0-21swapper08:14:550
169419939729,368cyclictest0-21swapper10:07:160
169419939433,348cyclictest11402-21turbostat.cron08:20:010
169419939348,345cyclictest0-21swapper11:58:180
169419939331,362cyclictest0-21swapper09:59:450
169419939232,360cyclictest0-21swapper08:33:220
169419939030,347cyclictest351950irq/10-yenta09:17:560
169419938944,345cyclictest0-21swapper10:14:110
169419938934,355cyclictest0-21swapper12:39:590
169419938835,339cyclictest30044-21diskmemload10:28:050
169419938815,360cyclictest19618-21ssh11:13:380
169419938731,356cyclictest0-21swapper11:48:000
169419938726,301cyclictest7584-21ssh09:31:170
16941993847,364cyclictest28353-21munin-node10:21:210
169419938414,370cyclictest0-21swapper08:46:350
169419938411,360cyclictest2077-21ssh10:33:530
16941993801,366cyclictest8182-21ps10:46:350
169419937731,346cyclictest0-21swapper10:52:110
169419937615,359cyclictest12-21rcu_preempt12:24:560
16941993706,303cyclictest13003-21ssh10:58:230
169419936566,299cyclictest0-21swapper12:04:480
169419936034,153cyclictest11-21ksoftirqd/011:30:040
16941993573,354cyclictest0-21swapper08:27:260
169419935534,260cyclictest30044-21diskmemload11:20:060
169419935481,259cyclictest4285-21lldpd07:41:540
169419935191,88cyclictest351950irq/10-yenta09:47:100
16941993484,344cyclictest0-21swapper10:04:540
16941993473,344cyclictest0-21swapper12:14:500
169419932955,88cyclictest9449-21munin-node09:35:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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