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2026-09-18 - 01:26
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot7.osadl.org (updated Thu Sep 17, 2026 12:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140120ksoftirqd/022056-21kworker/0:106:55:240
14991400watchdog/03810-21munin-node11:50:220
2234501040irq/11-eth0601-21grep08:10:110
14991030watchdog/0295402sleep011:26:580
14991030watchdog/02792-21runrttasks09:27:340
14991020watchdog/06621-21seq08:28:540
14991010watchdog/0883-21grep11:40:300
14991010watchdog/024595-21aten2.4_r3power07:40:460
2234501000irq/11-eth028629-21ntp_states07:55:230
2234501000irq/11-eth028225-21seq11:23:510
2234501000irq/11-eth02792-21runrttasks08:24:370
223450970irq/11-eth02792-21runrttasks07:10:060
223450970irq/11-eth019623-21unixbench_singl09:10:340
223450970irq/11-eth016848-21cpuspeed10:45:470
1499970watchdog/022914-21needreboot11:05:420
223450950irq/11-eth09133-21aten2.4_r3power08:35:480
1499940watchdog/01493-21wc08:10:540
1499930watchdog/016985-21runrttasks07:17:420
1499930watchdog/011915-21unixbench_singl08:45:340
1499920watchdog/011801-21needreboot07:00:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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