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2024-07-16 - 06:26
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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
Characteristics of the 20 highest latencies:
System rack6slot2.osadl.org (updated Mon Jul 15, 2024 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
176552438,8sleep10-21swapper/119:08:211
174112418,8sleep00-21swapper/019:05:520
17844994033,6cyclictest255950irq/16-enp2s0f021:04:050
17844993931,7cyclictest255950irq/16-enp2s0f020:40:040
17844993931,7cyclictest255950irq/16-enp2s0f000:30:000
17844993930,7cyclictest255950irq/16-enp2s0f023:04:580
17844993832,5cyclictest255950irq/16-enp2s0f023:10:230
17844993832,5cyclictest255950irq/16-enp2s0f020:49:590
17844993831,6cyclictest255950irq/16-enp2s0f023:54:590
17844993831,6cyclictest255950irq/16-enp2s0f020:30:020
17844993831,6cyclictest255950irq/16-enp2s0f019:55:120
17844993831,6cyclictest255950irq/16-enp2s0f019:44:580
17844993831,6cyclictest255950irq/16-enp2s0f000:14:580
17844993830,7cyclictest255950irq/16-enp2s0f021:25:000
17844993830,7cyclictest255950irq/16-enp2s0f019:25:020
17844993732,4cyclictest255950irq/16-enp2s0f021:19:550
17844993731,5cyclictest255950irq/16-enp2s0f023:45:540
17844993731,5cyclictest255950irq/16-enp2s0f023:19:290
17844993731,5cyclictest255950irq/16-enp2s0f000:24:570
17844993731,5cyclictest168550irq/16-i91521:49:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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