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2025-11-18 - 18:17
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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 Tue Nov 18, 2025 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25959991918,1cyclictest60250irq/125-lan09:15:152
25959991818,0cyclictest60250irq/125-lan12:20:172
25959991818,0cyclictest60250irq/125-lan10:02:272
25959991817,1cyclictest60250irq/125-lan10:30:192
25959991817,1cyclictest60250irq/125-lan07:25:152
25959991717,0cyclictest60250irq/125-lan11:00:152
25959991717,0cyclictest60250irq/125-lan10:05:122
25959991716,1cyclictest60250irq/125-lan12:15:182
25959991716,1cyclictest60250irq/125-lan11:40:172
25959991716,1cyclictest60250irq/125-lan10:23:072
25959991716,1cyclictest60250irq/125-lan10:15:222
25959991716,1cyclictest60250irq/125-lan08:50:262
25959991716,1cyclictest60250irq/125-lan08:00:162
25959991616,0cyclictest60250irq/125-lan12:35:252
25959991616,0cyclictest60250irq/125-lan11:09:272
25959991616,0cyclictest60250irq/125-lan11:09:262
25959991616,0cyclictest60250irq/125-lan10:35:162
25959991616,0cyclictest60250irq/125-lan09:05:222
25959991615,1cyclictest60250irq/125-lan12:00:142
25959991615,1cyclictest60250irq/125-lan11:55:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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