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2025-11-23 - 01:37
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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: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackeslot4.osadl.org (updated Sat Nov 22, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
262118899311,1cyclictest0-21swapper/211:02:362
2621190992926,2cyclictest2769196-21fwupd09:26:433
262119099280,5cyclictest2812393-21ld10:00:223
262119099280,2cyclictest191rcu_preempt07:50:003
2621188992824,2cyclictest0-21swapper/212:10:182
2621188992815,1cyclictest0-21swapper/211:08:382
262118899271,21cyclictest2928481-21ssh11:35:122
262118899271,20cyclictest191rcu_preempt11:50:182
262118899270,24cyclictest2761480-21cat09:20:192
262118099270,25cyclictest0-21swapper/009:12:110
262118099270,21cyclictest2744329-21diskmemload10:34:500
262119099264,2cyclictest2825315-21timerwakeupswit10:10:263
262118899261,2cyclictest64-21kcompactd008:41:272
262118899261,21cyclictest2877949-21apt-get10:55:132
262118499261,21cyclictest2687885-21apt-get08:15:131
2621188992522,2cyclictest401ktimers/210:34:382
262118899251,2cyclictest2744329-21diskmemload10:45:092
262118899251,2cyclictest2744329-21diskmemload09:56:072
262118899251,21cyclictest2744648-21apt-get09:10:122
262118899251,21cyclictest2744329-21diskmemload11:20:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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