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2025-11-16 - 08:55
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack8slot7.osadl.org (updated Sun Nov 16, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26371991130,113cyclictest329-21hwrng23:10:041
26371992828,0cyclictest4711-21fwupd19:32:471
26375991918,1cyclictest60250irq/125-lan20:57:352
26380991818,0cyclictest702-21snmpd00:38:013
26375991818,0cyclictest60250irq/125-lan23:42:472
26375991817,1cyclictest60250irq/125-lan23:45:212
26380991717,0cyclictest26796-21cat23:05:133
26375991717,0cyclictest60250irq/125-lan23:50:202
26375991717,0cyclictest60250irq/125-lan23:35:182
26375991717,0cyclictest60250irq/125-lan23:28:122
26375991717,0cyclictest60250irq/125-lan22:35:182
26375991717,0cyclictest60250irq/125-lan22:05:142
26375991717,0cyclictest60250irq/125-lan21:52:332
26375991717,0cyclictest60250irq/125-lan00:30:202
26375991716,1cyclictest60250irq/125-lan22:30:142
26375991716,1cyclictest60250irq/125-lan19:50:132
26375991716,1cyclictest60250irq/125-lan00:10:002
26375991616,0cyclictest60250irq/125-lan23:17:472
26375991616,0cyclictest60250irq/125-lan22:20:202
26375991616,0cyclictest60250irq/125-lan21:16:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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