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2024-04-18 - 22:28
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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
Characteristics of the 20 highest latencies:
System rack6slot6 (updated Thu Apr 18, 2024 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
54709910715153472,53555cyclictest22220-21ssh09:54:160
54709910699453409,53488cyclictest20388-21ssh10:36:080
54709910684253388,53365cyclictest12538-21kworker/0:308:45:360
54709910680953476,53269cyclictest3950irq/9-acpi11:02:350
54709910679853481,53220cyclictest12931-21ssh10:25:240
54709910677453436,53338cyclictest0-21swapper09:58:170
54709910671753429,53166cyclictest0-21swapper09:06:220
54709910666653448,53096cyclictest9775-21ssh11:52:300
54709910666553445,53129cyclictest9-21ksoftirqd/008:55:390
54709910660053475,53125cyclictest0-21swapper08:20:490
54709910659953388,53117cyclictest0-21swapper11:07:270
54709910658653472,53114cyclictest0-21swapper07:46:190
54709910654053477,53063cyclictest0-21swapper08:17:380
54709910653353458,53075cyclictest0-21swapper07:56:220
54709910651053399,53111cyclictest0-21swapper08:36:330
54709910650953472,53037cyclictest0-21swapper09:27:480
54709910650953398,53111cyclictest0-21swapper09:02:110
54709910649153456,53035cyclictest0-21swapper08:53:480
54709910649153423,53068cyclictest0-21swapper09:12:330
54709910649153407,53084cyclictest0-21swapper09:43:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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