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2024-07-16 - 08:23
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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 Mon Jul 15, 2024 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12240991918,1cyclictest60250irq/125-lan11:41:490
12240991918,1cyclictest60250irq/125-lan10:30:300
12240991918,1cyclictest60250irq/125-lan09:29:500
12240991918,1cyclictest60250irq/125-lan09:17:530
12240991918,1cyclictest60250irq/125-lan07:30:180
12240991917,1cyclictest60250irq/125-lan09:36:100
12240991818,0cyclictest60250irq/125-lan12:10:560
12240991818,0cyclictest60250irq/125-lan11:51:360
12240991818,0cyclictest60250irq/125-lan10:41:430
12240991817,1cyclictest60250irq/125-lan12:35:200
12240991817,1cyclictest60250irq/125-lan12:34:230
12240991817,1cyclictest60250irq/125-lan11:20:410
12240991817,1cyclictest60250irq/125-lan11:00:260
12240991817,1cyclictest60250irq/125-lan10:57:520
12240991817,1cyclictest60250irq/125-lan10:35:000
12240991817,1cyclictest60250irq/125-lan10:25:120
12240991817,1cyclictest60250irq/125-lan10:20:250
12240991817,1cyclictest60250irq/125-lan10:12:040
12240991817,1cyclictest60250irq/125-lan10:05:300
12240991817,1cyclictest60250irq/125-lan09:57:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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