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2026-06-12 - 20:46
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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 20 highest latencies:
System rack8slot1.osadl.org (updated Fri Jun 12, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2912599325973,0cyclictest9-21ksoftirqd/006:59:370
29125992707803,0cyclictest27261-21sed09:59:380
29125992706217,0cyclictest25165-1kworker/0:1H08:59:380
29125992652781,0cyclictest14990-21latency_hist10:59:390
29125992487705,0cyclictest32086-21sendmail_mailtr10:14:380
29125992385743,0cyclictest30357-21munin-node08:34:380
29125992384729,0cyclictest7423-21seq07:29:430
29125992377782,0cyclictest6175-21runrttasks10:34:380
29125992359740,0cyclictest18913-21munin-node09:34:380
29125992356681,0cyclictest9-21ksoftirqd/011:59:380
29125992350658,0cyclictest11756-21latency_hist09:14:380
29125992336623,0cyclictest9181-21munin-node07:34:380
29125992329223,0cyclictest22641-1kworker/0:0H10:24:370
29125992329209,0cyclictest22641-1kworker/0:0H10:44:380
29125992327660,0cyclictest9-21ksoftirqd/007:24:370
29125992323288,0cyclictest22641-1kworker/0:0H11:54:380
29125992316696,0cyclictest1965-21latency_hist07:14:380
29125992307674,0cyclictest7925-21munin-node10:39:380
29125992305204,0cyclictest25165-1kworker/0:1H08:24:380
29125992294260,0cyclictest22641-1kworker/0:0H10:04:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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