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2025-12-07 - 07:33
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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 rack5slot7.osadl.org (updated Sun Dec 07, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27757225240,12sleep021253-1kworker/u3:417:35:250
290949917121,28cyclictest13840-21irqstats21:06:200
290949917121,25cyclictest5310-21apt-get20:40:370
290949916916,131cyclictest8867-21df_inode20:50:590
290949916733,113cyclictest26198-21sh21:44:280
290949916718,40cyclictest3839-21apt-get22:15:350
290949916634,20cyclictest7534-21open_files20:46:410
290949916526,37cyclictest9149-21sh22:31:090
290949916513,25cyclictest28628-21memory21:51:300
290949916441,22cyclictest21266-21sh19:49:490
290949916419,29cyclictest922-21fw_conntrack22:06:120
290949916418,23cyclictest11798-21apt-get21:00:340
290949916417,38cyclictest31621-21df22:00:510
290949916414,23cyclictest2046-21apt-get20:30:360
290949916410,51cyclictest11184-21switchtime22:36:480
290949916319,66cyclictest0-21swapper21:59:350
290949916317,38cyclictest29879-21df20:15:540
290949916316,26cyclictest14304-21ntp_states22:46:390
290949916235,22cyclictest17434-21memory22:56:250
290949916218,40cyclictest2227-21apt-get22:10:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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