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2024-11-22 - 11:38
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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 50 highest latencies:
System rackcslot2.osadl.org (updated Fri Nov 22, 2024 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2324027254,8sleep10-21swapper/119:08:191
2317227135,31sleep00-21swapper/019:07:360
321222690,0sleep10-21swapper/122:19:471
113362670,1sleep011334-21seq21:54:440
260872580,0sleep00-21swapper/022:53:340
2353099330,1cyclictest22901-21users00:09:531
23530992915,13cyclictest0-21swapper/123:10:291
23529992910,1cyclictest0-21swapper/023:24:240
23529992826,1cyclictest7237-21ntp_states22:29:480
2352999280,27cyclictest0-21swapper/021:11:080
2353099271,23cyclictest10190-21kworker/1:219:42:371
23529992720,4cyclictest0-21swapper/023:48:390
2352999270,16cyclictest0-21swapper/021:59:390
2353099269,16cyclictest2125-21kworker/1:221:59:171
23529992625,0cyclictest0-21swapper/022:12:030
23529992624,1cyclictest0-21swapper/023:17:110
23530992510,3cyclictest0-21swapper/120:14:441
23529992525,0cyclictest0-21swapper/020:37:040
23529992517,5cyclictest20403-21apache223:09:040
2352999250,22cyclictest4742-21diskmemload22:45:350
3162122410,1sleep10-21swapper/121:39:461
2353099243,16cyclictest0-21swapper/120:39:431
23530992411,5cyclictest97950irq/108-eth1-tx22:32:221
23529992424,0cyclictest0-21swapper/000:35:430
23529992419,4cyclictest20403-21apache221:48:110
23529992412,5cyclictest0-21swapper/021:43:350
2353099236,8cyclictest4742-21diskmemload22:49:261
23530992321,1cyclictest231ktimersoftd/122:59:401
23530992320,2cyclictest817-21apache223:20:421
23530992318,3cyclictest20377-21apache222:09:231
23530992317,3cyclictest20403-21apache222:29:221
23530992310,7cyclictest0-21swapper/119:32:371
23530992310,4cyclictest0-21swapper/121:20:351
23530992310,3cyclictest0-21swapper/120:29:441
23530992310,13cyclictest3408-21kworker/1:100:22:511
2353099230,1cyclictest0-21swapper/100:16:261
23529992319,1cyclictest593-21avahi-daemon23:11:210
23529992314,6cyclictest20403-21apache221:30:400
23529992310,7cyclictest0-21swapper/019:44:440
23530992220,1cyclictest21516-21ssh23:27:311
23530992219,2cyclictest23556-21ssh22:49:481
23530992210,7cyclictest0-21swapper/123:29:401
23530992210,5cyclictest0-21swapper/121:50:371
2353099220,17cyclictest0-21swapper/121:19:131
2352999222,19cyclictest17727-21ssh22:43:120
23529992221,0cyclictest593-21avahi-daemon00:11:030
23529992211,4cyclictest0-21swapper/021:50:170
23529992210,5cyclictest0-21swapper/022:09:040
23529992210,4cyclictest0-21swapper/023:52:210
2352999220,2cyclictest4742-21diskmemload00:31:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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