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2026-09-04 - 23:03
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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 rack5slot2.osadl.org (updated Fri Sep 04, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
217192208193,11sleep10-21swapper/107:10:001
217012191176,11sleep00-21swapper/007:09:470
214212183166,13sleep30-21swapper/307:06:123
214402171154,12sleep20-21swapper/207:06:282
140102490,0sleep10-21swapper/111:18:281
123552430,0sleep20-21swapper/209:23:242
7832400,0sleep2786-21fschecks_count08:35:152
32064290,0sleep30-21swapper/312:16:313
219099980,4cyclictest24989-21munin-run08:20:000
219269975,1cyclictest7657-21munin-run07:45:003
219099970,3cyclictest21993-21munin-run10:50:000
219139960,6cyclictest0-21swapper/112:09:231
3443250,0sleep10-21swapper/111:13:001
219269955,0cyclictest14684-21kworker/3:112:33:473
219269955,0cyclictest14684-21kworker/3:112:22:343
219269955,0cyclictest14684-21kworker/3:111:26:363
219269955,0cyclictest14684-21kworker/3:110:30:383
219269955,0cyclictest14684-21kworker/3:109:23:283
219269955,0cyclictest14684-21kworker/3:109:01:033
219269955,0cyclictest14684-21kworker/3:108:27:283
219269955,0cyclictest14684-21kworker/3:107:53:533
219269955,0cyclictest14684-21kworker/3:107:31:293
219269955,0cyclictest0-21swapper/309:31:053
219269950,5cyclictest17308-21diskmemload11:58:293
219269950,5cyclictest0-21swapper/312:35:173
219269950,5cyclictest0-21swapper/309:51:543
219269950,5cyclictest0-21swapper/308:09:493
219269950,0cyclictest11084-21ssh12:05:363
219269950,0cyclictest0-21swapper/311:18:193
219209955,0cyclictest31501-21ssh10:05:162
219209955,0cyclictest0-21swapper/209:31:052
219209952,3cyclictest802-21snmpd12:05:442
219209950,5cyclictest17308-21diskmemload11:38:582
219209950,5cyclictest0-21swapper/212:36:362
219209950,5cyclictest0-21swapper/210:19:582
219209950,5cyclictest0-21swapper/209:14:222
219209950,3cyclictest6416-21ssh11:14:552
219209950,0cyclictest0-21swapper/212:17:142
219209950,0cyclictest0-21swapper/211:25:002
219139951,3cyclictest0-21swapper/109:45:111
219139950,5cyclictest0-21swapper/112:00:221
219139950,5cyclictest0-21swapper/110:54:011
219139950,5cyclictest0-21swapper/109:32:491
219139950,5cyclictest0-21swapper/109:18:081
219099953,1cyclictest81rcu_preempt09:40:120
219099952,2cyclictest0-21swapper/011:55:120
219099950,5cyclictest31849-21wc10:05:180
219099950,5cyclictest0-21swapper/011:15:570
219099950,5cyclictest0-21swapper/010:11:470
219099950,4cyclictest0-21swapper/011:27:250
219099950,4cyclictest0-21swapper/008:50:120
25451240,0sleep10-21swapper/111:07:391
219269944,0cyclictest14684-21kworker/3:108:49:513
219269944,0cyclictest14684-21kworker/3:108:38:403
219269944,0cyclictest14684-21kworker/3:108:16:153
219269944,0cyclictest0-21swapper/311:30:593
219269941,1cyclictest112782ssh11:50:113
219269941,1cyclictest0-21swapper/308:40:103
219269940,4cyclictest21601-21ssh09:11:283
219269940,4cyclictest19411-21ssh11:20:353
219269940,4cyclictest17317-21munin-run09:10:013
219269940,4cyclictest16112-21ssh11:03:023
219269940,4cyclictest15931-21df12:25:133
219269940,4cyclictest0-21swapper/312:10:073
219269940,4cyclictest0-21swapper/312:00:033
219269940,4cyclictest0-21swapper/311:45:083
219269940,4cyclictest0-21swapper/311:40:123
219269940,4cyclictest0-21swapper/311:10:193
219269940,4cyclictest0-21swapper/311:05:103
219269940,4cyclictest0-21swapper/310:55:123
219269940,4cyclictest0-21swapper/310:15:133
219269940,4cyclictest0-21swapper/310:10:503
219269940,4cyclictest0-21swapper/310:05:093
219269940,4cyclictest0-21swapper/310:00:123
219269940,4cyclictest0-21swapper/309:35:483
219269940,4cyclictest0-21swapper/309:15:103
219269940,4cyclictest0-21swapper/307:35:163
219269940,3cyclictest799-21runrttasks10:41:113
219269940,3cyclictest6427-21sh10:25:153
219269940,3cyclictest25936-21/usr/sbin/munin10:35:153
219269940,3cyclictest24000-21ssh10:50:213
219269940,3cyclictest22729-21/usr/sbin/munin09:45:103
219269940,3cyclictest18463-21ssh09:25:573
219269940,3cyclictest16937-21ssh11:35:473
219269940,3cyclictest16292-21ssh09:57:543
219269940,3cyclictest15840-21/usr/sbin/munin08:00:133
219269940,3cyclictest15064-21latency_hist08:00:003
219269940,3cyclictest12812-21ssh09:40:103
219269940,3cyclictest12354-21ssh10:45:023
219269940,1cyclictest27454-21latency_hist08:25:003
219269940,1cyclictest12348-21latency_hist09:00:003
219209944,0cyclictest405-21/usr/sbin/munin07:30:182
219209944,0cyclictest31-21ksoftirqd/210:55:002
219209944,0cyclictest0-21swapper/210:56:552
219209944,0cyclictest0-21swapper/209:16:402
219209943,1cyclictest31-21ksoftirqd/210:25:012
219209941,3cyclictest101852chrt12:21:592
219209941,2cyclictest0-21swapper/211:45:102
219209940,4cyclictest205242sleep209:27:162
219209940,4cyclictest17308-21diskmemload11:59:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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