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2026-06-20 - 02:21
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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 Sat Jun 20, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140130ksoftirqd/028083-21kworker/0:119:01:300
14991360watchdog/024323-21aten2.4_r3power20:26:470
14991320watchdog/02792-21runrttasks22:03:270
14991310watchdog/02792-21runrttasks00:04:030
14991310watchdog/02587-21sshd21:16:390
14991310watchdog/020357-21if_eth023:46:150
14991290watchdog/03967-21aten2.4_r3power22:51:390
14991230watchdog/013530-21aten2.4_r3power19:51:470
14991220watchdog/031928-21timerandwakeup19:06:430
14991200watchdog/04884-21munin-node22:56:470
14991200watchdog/032730-21munin-node19:11:310
14991200watchdog/032712-21munin-node20:56:230
14991200watchdog/011571-21aten2.4_r3power19:46:310
14991170watchdog/032535-21latency_hist00:26:030
14991170watchdog/016700-21runrttasks20:02:150
2234501150irq/11-eth031917-21timerandwakeup20:51:450
14991150watchdog/029728-21df20:46:190
14991130watchdog/02792-21runrttasks22:14:110
14991130watchdog/017654-21unixbench_singl20:06:270
14991130watchdog/012678-21mailstats21:36:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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