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2026-08-30 - 15:39
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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 Sun Aug 30, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2939250218sleep2941-21grep07:02:310
345699257230cyclictest1314-21sh09:18:120
345699255229cyclictest7067-21latency_hist07:22:120
345699253228cyclictest7224-21cut09:42:460
345699252188cyclictest29865-21munin-node0
345699249221cyclictest16671-21ntp_states08:03:150
345699249204cyclictest22104-21cat10:47:350
345699248221cyclictest3691-21ssh11:48:330
345699247187cyclictest10733-21interrupts07:37:380
345699247179cyclictest30983-21diskmemload12:22:140
345699246219cyclictest18662-21df_inode10:32:270
345699246213cyclictest8184-21chrt07:27:040
345699244216cyclictest21217-21irqstats10:43:170
345699244176cyclictest20865-21ssh10:42:180
345699243217cyclictest28973-21modprobe11:17:490
345699243216cyclictest28039-21sed08:52:450
345699242215cyclictest24139-21sh10:56:450
345699242211cyclictest12774-21latency_hist10:07:420
345699242183cyclictest2869-21snmpd12:26:560
345699241216cyclictest11682-21cpu10:01:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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