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2023-12-10 - 17:37
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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 Sun Dec 10, 2023 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3076327158,8sleep10-21swapper/107:01:391
51632700,1sleep05161-21seq07:21:220
2941926553,8sleep00-21swapper/007:01:000
98042620,2sleep03135799cyclictest08:56:200
289172210,1sleep1221rcuc/110:04:181
169232200,0sleep10-21swapper/112:32:491
31358991917,1cyclictest24001-21ssh11:18:131
31358991616,0cyclictest14225-21ssh11:06:181
31358991616,0cyclictest0-21swapper/109:48:351
31358991615,1cyclictest32229-21ssh09:28:111
31358991615,0cyclictest8456-21ssh09:39:051
31358991615,0cyclictest31465-21sh10:06:231
31358991615,0cyclictest22265-21ssh11:57:291
31358991614,1cyclictest32697-21chrt10:48:411
31358991614,1cyclictest274692sleep109:21:571
31358991610,6cyclictest0-21swapper/110:30:491
31358991610,5cyclictest0-21swapper/108:08:491
31358991610,0cyclictest0-21swapper/110:43:461
31358991515,0cyclictest0-21swapper/111:55:411
31358991514,0cyclictest24-21ksoftirqd/110:35:561
31358991513,1cyclictest13058-21ssh10:24:241
31358991513,1cyclictest11836-21seq09:42:471
31358991510,5cyclictest0-21swapper/111:27:471
31358991510,5cyclictest0-21swapper/110:17:371
31358991510,0cyclictest0-21swapper/108:57:061
31357991515,0cyclictest0-21swapper/010:37:100
31357991515,0cyclictest0-21swapper/009:56:250
31357991514,1cyclictest4071-21ssh11:35:060
31357991514,0cyclictest3174-21sh09:31:410
31357991512,2cyclictest8755-21kworker/0:107:33:290
31357991510,5cyclictest0-21swapper/009:38:320
31358991414,0cyclictest0-21swapper/107:49:571
31358991413,1cyclictest93750irq/100-eth0-rx11:31:211
31358991413,1cyclictest6593-21awk10:56:241
31358991413,1cyclictest22116-21sshd08:05:221
31358991413,1cyclictest0-21swapper/107:18:351
31358991412,1cyclictest93750irq/100-eth0-rx10:36:211
31358991412,1cyclictest93750irq/100-eth0-rx09:11:521
31358991412,1cyclictest23612sleep107:12:551
31358991412,1cyclictest12908-21diskmemload10:52:181
31358991412,1cyclictest12908-21diskmemload09:51:221
31358991412,1cyclictest12359-21sh11:03:301
31358991411,3cyclictest0-21swapper/112:25:031
31358991410,3cyclictest0-21swapper/112:06:181
31357991414,0cyclictest0-21swapper/011:19:360
31357991413,1cyclictest7216-21ssh10:16:310
31357991413,1cyclictest6603-21ssh11:37:170
31357991413,1cyclictest27868-21ssh09:22:490
31357991413,0cyclictest0-21swapper/011:56:470
31357991412,2cyclictest8832-21apache211:49:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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