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2025-11-30 - 02:17
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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: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot3.osadl.org (updated Sat Nov 29, 2025 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72342216621sleep7237-21cpu07:01:290
831599253228cyclictest1806-21ifplugd09:08:010
831599249218cyclictest9464-21ssh11:54:230
831599247223cyclictest16698-21latency_hist12:26:440
831599246223cyclictest3525-1diskmemload12:34:270
831599243214cyclictest5663-21sh09:15:110
831599242176cyclictest2938-21runrttasks07:50:150
831599241218cyclictest13882-21modprobe12:13:240
831599240216cyclictest15981-21sh10:00:550
831599240177cyclictest28785-21latency_hist10:57:060
831599240175cyclictest8824-21runrttasks11:51:590
831599239214cyclictest4789-21ssh11:33:330
831599239214cyclictest26667-21ls08:26:180
831599237213cyclictest26774-21irqstats10:47:510
831599237179cyclictest23275-21cpu08:11:310
831599237175cyclictest32239-21runrttasks08:49:050
831599236209cyclictest14494-21ntp_states09:53:490
831599236177cyclictest12894-21munin-node0
831599235211cyclictest20524-21runrttasks10:20:500
831599235209cyclictest9145-21sh09:30:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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