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2025-11-23 - 22:03
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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 Sun Nov 23, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
205032201183,13sleep00-21swapper/007:07:210
205662194178,11sleep10-21swapper/107:08:121
203892180162,13sleep30-21swapper/307:05:533
204232176159,12sleep20-21swapper/207:06:202
164632480,0sleep20-21swapper/212:08:022
74862470,0sleep30-21swapper/309:20:333
127292470,0sleep00-21swapper/009:55:250
237512440,0sleep10-21swapper/110:17:351
261452420,0sleep30-21swapper/310:50:553
237112110,0sleep10-21swapper/110:01:021
208779992,3cyclictest26477-21apt-get09:15:010
208879970,6cyclictest0-21swapper/308:05:123
208779972,5cyclictest4042-21kworker/0:010:04:460
208779972,5cyclictest4042-21kworker/0:009:44:220
208779971,6cyclictest4042-21kworker/0:010:06:370
208879960,5cyclictest0-21swapper/308:55:123
208879960,1cyclictest26382-21runrttasks10:19:153
208829960,1cyclictest22726-21ssh12:10:422
208779962,4cyclictest4042-21kworker/0:011:29:530
208779962,4cyclictest4042-21kworker/0:011:13:530
208779962,4cyclictest4042-21kworker/0:011:13:520
208779962,4cyclictest4042-21kworker/0:011:00:370
208779962,4cyclictest4042-21kworker/0:010:27:450
208779962,4cyclictest21821-21kworker/0:212:37:130
208779962,4cyclictest21821-21kworker/0:212:19:370
208779961,5cyclictest4042-21kworker/0:012:04:010
208779961,5cyclictest4042-21kworker/0:011:51:050
208779961,5cyclictest4042-21kworker/0:011:41:370
208779961,5cyclictest4042-21kworker/0:011:33:450
208779961,5cyclictest4042-21kworker/0:011:21:210
208779961,5cyclictest4042-21kworker/0:011:16:450
208779961,5cyclictest4042-21kworker/0:011:05:210
208779961,5cyclictest4042-21kworker/0:010:52:050
208779961,5cyclictest4042-21kworker/0:010:45:160
208779961,5cyclictest4042-21kworker/0:010:42:530
208779961,5cyclictest4042-21kworker/0:010:30:130
208779961,5cyclictest4042-21kworker/0:010:21:400
208779961,5cyclictest4042-21kworker/0:010:13:410
208779961,5cyclictest4042-21kworker/0:009:38:220
208779961,5cyclictest4042-21kworker/0:009:21:420
208779961,5cyclictest21821-21kworker/0:212:32:200
208779961,5cyclictest21821-21kworker/0:212:25:330
208779961,5cyclictest21821-21kworker/0:212:20:210
208779960,3cyclictest29445-21awk12:15:000
208879955,0cyclictest30165-21kworker/3:209:26:123
208879955,0cyclictest30165-21kworker/3:209:15:003
208879955,0cyclictest30165-21kworker/3:209:03:463
208879955,0cyclictest30165-21kworker/3:208:52:333
208879955,0cyclictest30165-21kworker/3:208:41:233
208879955,0cyclictest30165-21kworker/3:207:45:233
208879955,0cyclictest30165-21kworker/3:207:34:123
208879955,0cyclictest30165-21kworker/3:207:11:493
208879955,0cyclictest21238-21kworker/3:011:18:083
208879955,0cyclictest21238-21kworker/3:010:44:323
208879950,5cyclictest12938-21/usr/sbin/munin11:50:223
208879950,5cyclictest0-21swapper/312:05:183
208879950,5cyclictest0-21swapper/311:58:043
208879950,5cyclictest0-21swapper/311:40:113
208879950,5cyclictest0-21swapper/311:29:053
208879950,5cyclictest0-21swapper/309:50:193
208879950,4cyclictest27231-21perl08:25:143
208879950,3cyclictest0-21swapper/311:31:033
208829955,0cyclictest0-21swapper/210:02:392
208829954,1cyclictest0-21swapper/211:44:482
208829951,1cyclictest0-21swapper/211:05:122
208829950,5cyclictest0-21swapper/212:35:092
208829950,5cyclictest0-21swapper/209:46:132
208829950,4cyclictest754-21ssh10:22:132
208829950,4cyclictest32728-21apt-get07:30:152
208789955,0cyclictest0-21swapper/111:50:181
208789950,5cyclictest0-21swapper/112:14:011
208789950,5cyclictest0-21swapper/111:20:461
208789950,5cyclictest0-21swapper/111:02:431
208789950,5cyclictest0-21swapper/110:28:061
208779953,1cyclictest15603-21wc08:00:180
208779953,1cyclictest15603-21wc08:00:180
208779952,3cyclictest4042-21kworker/0:012:07:280
208779952,3cyclictest4042-21kworker/0:011:55:050
208779952,3cyclictest4042-21kworker/0:011:47:370
208779952,3cyclictest4042-21kworker/0:010:39:050
208779952,3cyclictest4042-21kworker/0:009:52:370
208779952,3cyclictest4042-21kworker/0:009:05:160
208779952,3cyclictest4042-21kworker/0:008:25:210
208779952,3cyclictest4042-21kworker/0:008:05:120
208779951,4cyclictest4042-21kworker/0:010:16:360
208779951,4cyclictest4042-21kworker/0:009:30:300
208779951,4cyclictest4042-21kworker/0:009:25:410
208779951,4cyclictest4042-21kworker/0:009:15:340
208779950,5cyclictest4042-21kworker/0:011:35:160
208779950,5cyclictest4042-21kworker/0:010:56:090
208779950,5cyclictest4042-21kworker/0:009:46:500
208779950,5cyclictest4042-21kworker/0:008:55:130
208779950,5cyclictest0-21swapper/009:00:010
208779950,5cyclictest0-21swapper/007:30:010
208879944,0cyclictest30165-21kworker/3:207:56:363
208879944,0cyclictest30165-21kworker/3:207:23:003
208879943,1cyclictest0-21swapper/311:01:183
208879941,2cyclictest0-21swapper/312:10:133
208879941,1cyclictest0-21swapper/308:45:133
208879940,4cyclictest485-21ntp_states08:35:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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