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2024-07-16 - 08:20
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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 50 highest latencies:
System rack5slot2.osadl.org (updated Mon Jul 15, 2024 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33972205190,10sleep10-21swapper/107:09:231
32352203188,11sleep30-21swapper/307:07:173
25302188169,14sleep00-21swapper/007:05:380
25542158141,12sleep20-21swapper/207:05:552
93352460,0sleep20-21swapper/211:22:052
46562460,0sleep00-21swapper/009:12:050
116632430,0sleep20-21swapper/209:47:222
171302420,0sleep30-21swapper/312:15:033
40392130,0sleep30-21swapper/309:43:553
962290,0sleep30-21swapper/311:50:213
4463290,0sleep10-21swapper/110:00:141
22558290,0sleep00-21swapper/011:12:510
18005290,0sleep20-21swapper/211:59:122
36659962,4cyclictest0-21swapper/011:35:000
36659960,6cyclictest0-21swapper/011:43:190
36659960,6cyclictest0-21swapper/010:50:310
36659960,6cyclictest0-21swapper/010:30:110
36659960,6cyclictest0-21swapper/009:58:080
36659960,5cyclictest7101-21ssh09:45:200
36659960,5cyclictest17475-21ssh10:38:130
36659960,3cyclictest26837-21sendmail-msp12:20:000
36659960,1cyclictest27134-21ssh10:42:570
36659960,1cyclictest0-21swapper/009:54:320
36989955,0cyclictest18155-21kworker/3:010:11:383
36989955,0cyclictest18155-21kworker/3:009:15:403
36989955,0cyclictest0-21swapper/309:47:593
36989954,1cyclictest18155-21kworker/3:010:45:133
36989950,5cyclictest0-21swapper/311:26:103
36989950,5cyclictest0-21swapper/310:23:203
36989950,5cyclictest0-21swapper/310:00:123
36989950,4cyclictest21380-21ntp_states12:00:243
36989950,4cyclictest0-21swapper/308:50:093
36989950,4cyclictest0-21swapper/307:10:023
36989950,4cyclictest0-21swapper/307:10:013
36929954,1cyclictest17461-21ssh09:34:432
36929953,1cyclictest17955-21cron09:35:012
36929952,3cyclictest16834-21ls12:15:012
36929950,5cyclictest0-21swapper/209:27:012
36809955,0cyclictest0-21swapper/112:03:321
36809952,2cyclictest0-21swapper/112:15:111
36809952,2cyclictest0-21swapper/108:20:121
36809951,2cyclictest0-21swapper/112:20:111
36809951,2cyclictest0-21swapper/110:55:141
36809950,5cyclictest0-21swapper/111:02:171
36809950,5cyclictest0-21swapper/110:24:441
36809950,5cyclictest0-21swapper/110:14:591
36659952,3cyclictest29562-21ssh12:05:030
36659952,3cyclictest0-21swapper/012:36:510
36659952,3cyclictest0-21swapper/012:21:440
36659952,3cyclictest0-21swapper/011:26:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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