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2026-06-16 - 14:23
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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 rack5slot2.osadl.org (updated Tue Jun 16, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
269172200185,11sleep10-21swapper/107:10:001
269172200185,11sleep10-21swapper/107:10:001
266062187170,12sleep00-21swapper/007:06:020
266062187170,12sleep00-21swapper/007:06:020
267432184167,12sleep30-21swapper/307:07:493
267432184167,12sleep30-21swapper/307:07:493
26879210486,13sleep20-21swapper/207:09:332
26879210486,13sleep20-21swapper/207:09:332
136322460,0sleep10-21swapper/109:20:231
97152440,0sleep09716-21kernelversion09:50:150
107642440,0sleep00-21swapper/011:58:030
167882430,0sleep30-21swapper/310:40:553
104262350,1sleep210429-21cpuspeed12:30:122
16077290,0sleep10-21swapper/112:32:431
270859982,3cyclictest30587-21munin-run08:20:000
270939970,7cyclictest0-21swapper/211:30:442
270859972,5cyclictest7361-21kworker/0:007:45:130
270859962,4cyclictest7361-21kworker/0:012:20:250
270859962,4cyclictest7361-21kworker/0:009:17:300
270859961,5cyclictest7361-21kworker/0:012:10:130
270859961,5cyclictest7361-21kworker/0:011:54:530
270859961,5cyclictest7361-21kworker/0:011:30:130
270859961,5cyclictest7361-21kworker/0:011:15:170
270859961,5cyclictest7361-21kworker/0:010:54:330
270859960,5cyclictest0-21swapper/009:10:120
270859960,3cyclictest640-21idleruntime-cro08:25:000
270859960,3cyclictest24063-21perf12:04:590
6345250,0sleep041ktimersoftd/011:40:090
270999951,3cyclictest802-21snmpd10:23:583
270999950,5cyclictest0-21swapper/311:36:353
270999950,1cyclictest20590-21users11:30:203
270939953,1cyclictest29333-21grep11:35:142
270939950,5cyclictest0-21swapper/211:48:462
270939950,5cyclictest0-21swapper/209:37:582
270939950,5cyclictest0-21swapper/207:25:422
270939950,0cyclictest27661-21ssh11:18:312
270909952,2cyclictest0-21swapper/110:20:131
270909951,3cyclictest0-21swapper/112:20:101
270909951,2cyclictest0-21swapper/109:50:121
270909951,2cyclictest0-21swapper/108:25:111
270909951,2cyclictest0-21swapper/108:10:121
270909950,5cyclictest0-21swapper/110:07:311
270909950,5cyclictest0-21swapper/109:56:011
270909950,5cyclictest0-21swapper/109:16:081
270859952,3cyclictest7361-21kworker/0:012:09:360
270859952,3cyclictest7361-21kworker/0:011:14:080
270859952,3cyclictest7361-21kworker/0:010:05:540
270859951,4cyclictest7361-21kworker/0:012:30:520
270859951,4cyclictest7361-21kworker/0:012:17:370
270859951,4cyclictest7361-21kworker/0:011:45:210
270859951,4cyclictest7361-21kworker/0:011:20:290
270859951,4cyclictest7361-21kworker/0:010:55:090
270859951,4cyclictest7361-21kworker/0:010:40:130
270859951,4cyclictest7361-21kworker/0:010:15:490
270859951,4cyclictest7361-21kworker/0:009:57:260
270859951,4cyclictest7361-21kworker/0:009:35:100
270859951,4cyclictest7361-21kworker/0:009:25:290
270859951,4cyclictest7361-21kworker/0:009:20:290
270859951,4cyclictest7361-21kworker/0:009:05:020
270859951,4cyclictest0-21swapper/009:45:100
270859950,5cyclictest7361-21kworker/0:009:00:210
270859950,5cyclictest7361-21kworker/0:008:50:120
270859950,5cyclictest7361-21kworker/0:007:10:210
270859950,5cyclictest0-21swapper/012:37:590
270859950,5cyclictest0-21swapper/010:37:570
270859950,4cyclictest0-21swapper/009:40:130
270859950,0cyclictest0-21swapper/011:09:050
23685250,0sleep30-21swapper/312:20:163
4207240,0sleep20-21swapper/211:22:462
270999944,0cyclictest13824-21ssh09:52:143
270999944,0cyclictest0-21swapper/312:06:063
270999944,0cyclictest0-21swapper/309:16:103
270999943,1cyclictest20103-21ssh09:55:163
270999942,2cyclictest27631-21cat11:50:163
270999942,1cyclictest1032-21df_inode07:20:143
270999941,2cyclictest899-21latency09:30:153
270999940,4cyclictest6475-21cut08:35:143
270999940,4cyclictest32243-21apt-get11:05:013
270999940,4cyclictest26463-21perl10:30:143
270999940,4cyclictest2142-21grep12:25:223
270999940,4cyclictest17962-21ssh10:25:353
270999940,4cyclictest0-21swapper/312:15:123
270999940,4cyclictest0-21swapper/311:41:533
270999940,4cyclictest0-21swapper/311:25:113
270999940,4cyclictest0-21swapper/311:23:383
270999940,4cyclictest0-21swapper/310:50:123
270999940,4cyclictest0-21swapper/310:47:303
270999940,4cyclictest0-21swapper/310:35:143
270999940,4cyclictest0-21swapper/310:10:403
270999940,4cyclictest0-21swapper/309:21:203
270999940,4cyclictest0-21swapper/309:14:373
270999940,4cyclictest0-21swapper/308:15:013
270999940,4cyclictest0-21swapper/307:30:113
270999940,3cyclictest6398-21head11:55:213
270999940,3cyclictest30987-21fschecks_count07:15:123
270999940,3cyclictest21631-21ssh09:25:023
270999940,3cyclictest20492-21/usr/sbin/munin09:40:233
270999940,3cyclictest20148-21ssh11:15:003
270999940,3cyclictest16472-21ssh11:45:113
270999940,3cyclictest13045-21ssh11:10:453
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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