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2024-04-25 - 19:52
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack8slot7.osadl.org (updated Thu Apr 25, 2024 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2518599240,24cyclictest0-21swapper/009:52:550
25186992321,1cyclictest0-21swapper/112:06:561
2518699220,21cyclictest0-21swapper/110:07:361
2518699210,20cyclictest9910-21ssh11:26:191
2518699210,20cyclictest0-21swapper/109:36:061
2518699200,0cyclictest0-21swapper/108:10:151
25186991917,1cyclictest0-21swapper/109:48:151
2518699190,18cyclictest0-21swapper/111:31:091
2518599190,19cyclictest0-21swapper/011:07:360
25186991817,1cyclictest0-21swapper/112:13:211
25186991816,1cyclictest0-21swapper/110:15:351
25185991715,1cyclictest29780-21ssh09:35:150
25185991713,2cyclictest29369-21diskmemload10:03:170
25186991614,1cyclictest11492-21x2gosqlitewrapp11:02:171
25185991514,1cyclictest0-21swapper/011:00:550
25185991413,1cyclictest0-21swapper/012:38:210
25185991413,1cyclictest0-21swapper/010:58:580
25185991413,1cyclictest0-21swapper/010:09:560
25185991410,2cyclictest13913-21x2gosqlitewrapp09:48:090
25186991312,1cyclictest0-21swapper/109:15:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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