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2025-06-28 - 22:54
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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 rack2slot7.osadl.org (updated Sat Jun 28, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
63687995732,5cyclictest0-21swapper/009:31:550
63687994837,7cyclictest209279-21ld11:26:530
6368799423,25cyclictest0-21swapper/009:26:470
6368799421,3cyclictest134382-21ntpq09:51:530
6368999372,11cyclictest181367-21ntpq10:51:542
63687993521,4cyclictest244115-21ntpq12:06:520
6368799351,23cyclictest0-21swapper/010:24:440
6368799333,22cyclictest967-21snmpd11:17:430
6368799332,8cyclictest272109-21apt-get12:33:520
6368799332,3cyclictest0-21swapper/012:26:550
63687993314,4cyclictest0-21swapper/012:21:450
63687993313,5cyclictest11050irq/107-eth%d11:58:220
6368799331,24cyclictest0-21swapper/011:21:550
6368899314,4cyclictest11050irq/107-eth%d11:56:451
6368799305,5cyclictest11050irq/107-eth%d10:41:530
6368799302,3cyclictest122024-21ntp_states09:36:550
63687992921,5cyclictest0-21swapper/011:06:530
63687992920,1cyclictest0-21swapper/010:17:510
6368799290,28cyclictest967-21snmpd09:16:480
6368899282,3cyclictest171rcu_preempt10:51:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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