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2024-05-30 - 03:23
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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 100 highest latencies:
System rackeslot5.osadl.org (updated Wed May 29, 2024 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
595299320,29cyclictest0-21swapper/210:10:172
595299320,0cyclictest0-21swapper/211:24:482
595299320,0cyclictest0-21swapper/211:24:482
5950993229,3cyclictest29860-21diskmemload10:54:410
5950993229,3cyclictest0-21swapper/010:20:120
5950993228,4cyclictest29860-21diskmemload10:47:200
595099320,0cyclictest0-21swapper/012:23:190
595099320,0cyclictest0-21swapper/011:35:510
595699310,30cyclictest29860-21diskmemload10:13:543
595699310,30cyclictest10002-21ssh10:33:203
595699310,30cyclictest0-21swapper/309:55:013
5952993130,1cyclictest5823-21ssh11:40:122
5952993128,3cyclictest29860-21diskmemload10:55:212
5952993127,3cyclictest10243-21ssh11:45:012
595299310,29cyclictest29860-21diskmemload10:07:592
595299310,28cyclictest21765-21ssh12:32:422
595299310,0cyclictest29860-21diskmemload09:41:242
595299310,0cyclictest0-21swapper/212:04:212
595299310,0cyclictest0-21swapper/210:53:042
5951993129,1cyclictest9987-21sh11:45:001
595199310,30cyclictest6580-21awk12:15:301
595199310,30cyclictest29860-21diskmemload11:29:061
5950993128,3cyclictest29860-21diskmemload12:31:520
5950993128,3cyclictest29860-21diskmemload10:17:100
595099310,31cyclictest0-21swapper/010:30:000
595099310,30cyclictest19404-21sh11:20:000
595099310,0cyclictest0-21swapper/011:32:100
5956993029,1cyclictest29860-21diskmemload12:10:423
5956993028,2cyclictest3333-21ssh11:36:363
5956993028,2cyclictest30386-21timedrift11:30:323
5956993028,2cyclictest19923-21ssh11:55:153
5956993028,1cyclictest0-21swapper/309:11:383
595699300,29cyclictest31034-21grep10:55:273
595699300,29cyclictest29860-21diskmemload11:09:073
595699300,29cyclictest29860-21diskmemload10:51:163
595699300,29cyclictest29860-21diskmemload10:28:093
595699300,29cyclictest22079-21ssh11:21:283
595699300,29cyclictest22079-21ssh11:21:283
595699300,29cyclictest17606-21ssh12:28:273
595699300,29cyclictest13712-21ssh09:26:233
595699300,29cyclictest10664-21sh09:24:143
595699300,29cyclictest0-21swapper/312:22:083
5952993029,1cyclictest29860-21diskmemload09:14:532
5952993028,2cyclictest0-21swapper/211:28:432
5952993028,2cyclictest0-21swapper/211:00:242
5952993028,2cyclictest0-21swapper/209:45:012
5952993028,2cyclictest0-21swapper/209:30:472
5952993028,0cyclictest0-21swapper/212:12:392
5952993028,0cyclictest0-21swapper/209:25:152
5952993027,3cyclictest0-21swapper/211:09:372
5952993027,2cyclictest20273-21apt-get10:45:142
595299300,30cyclictest0-21swapper/211:39:022
595299300,29cyclictest21185-21hddtemp_smartct09:35:162
595299300,0cyclictest0-21swapper/212:26:172
595299300,0cyclictest0-21swapper/211:51:542
595299300,0cyclictest0-21swapper/210:01:592
595299300,0cyclictest0-21swapper/209:50:592
5951993029,1cyclictest29860-21diskmemload12:22:091
5951993028,1cyclictest0-21swapper/111:40:011
595199300,2cyclictest27714-21ssh10:16:491
595199300,29cyclictest29907-21apt-get09:45:131
595199300,29cyclictest29860-21diskmemload10:53:301
595199300,29cyclictest29860-21diskmemload10:06:231
595199300,29cyclictest0-21swapper/111:30:241
595199300,29cyclictest0-21swapper/109:40:321
595199300,1cyclictest6911-21cpu09:55:131
595199300,1cyclictest15587-21latency_hist10:40:011
595199300,0cyclictest0-21swapper/112:12:241
5950993029,0cyclictest28564-21apt-get12:05:130
5950993028,2cyclictest0-21swapper/011:46:550
5950993028,2cyclictest0-21swapper/011:41:250
5950993028,2cyclictest0-21swapper/011:24:200
5950993028,2cyclictest0-21swapper/011:24:200
5950993028,2cyclictest0-21swapper/011:13:590
5950993028,2cyclictest0-21swapper/009:31:320
5950993028,2cyclictest0-21swapper/009:22:490
5950993028,2cyclictest0-21swapper/009:15:540
5950993028,1cyclictest0-21swapper/012:11:520
595099300,29cyclictest9902-21sh10:33:070
595099300,29cyclictest6223-21apt-get09:55:010
595099300,29cyclictest29860-21diskmemload11:01:010
595099300,29cyclictest29860-21diskmemload10:40:050
595099300,29cyclictest29860-21diskmemload10:00:160
595099300,29cyclictest29860-21diskmemload09:45:040
595099300,29cyclictest0-21swapper/010:35:090
595099300,1cyclictest29860-21diskmemload11:55:210
5956992929,0cyclictest0-21swapper/311:46:023
5956992929,0cyclictest0-21swapper/309:35:013
5956992928,1cyclictest29860-21diskmemload11:25:043
5956992928,1cyclictest29860-21diskmemload09:31:323
5956992928,0cyclictest29860-21diskmemload12:35:173
595699290,29cyclictest29860-21diskmemload11:50:513
595699290,29cyclictest0-21swapper/312:30:423
595699290,29cyclictest0-21swapper/312:16:133
595699290,29cyclictest0-21swapper/312:00:473
595699290,29cyclictest0-21swapper/311:41:513
595699290,29cyclictest0-21swapper/311:10:383
595699290,29cyclictest0-21swapper/310:46:043
595699290,29cyclictest0-21swapper/310:35:243
595699290,29cyclictest0-21swapper/310:20:373
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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