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2026-09-23 - 02:17
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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 Wed Sep 23, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62772211183,11sleep10-21swapper/119:07:561
61152192174,13sleep00-21swapper/019:05:500
62172187170,12sleep30-21swapper/319:07:103
61102172153,14sleep20-21swapper/219:05:472
306692450,0sleep20-21swapper/222:45:272
299972420,0sleep10-21swapper/100:07:491
78102340,0sleep00-21swapper/023:06:550
114502340,1sleep2662299cyclictest20:20:182
105952180,0sleep00-21swapper/000:30:330
242352160,0sleep10-21swapper/123:15:171
119982110,0sleep10-21swapper/122:03:591
80322100,0sleep10-21swapper/123:07:031
15772100,0sleep30-21swapper/321:25:203
11826290,0sleep10-21swapper/100:15:141
66149971,4cyclictest0-21swapper/020:00:100
66149963,1cyclictest3-21ksoftirqd/019:39:590
66279955,0cyclictest22300-21kworker/3:221:18:063
66279955,0cyclictest0-21swapper/322:07:453
66279954,1cyclictest0-21swapper/300:25:413
66279950,5cyclictest0-21swapper/323:11:103
66279950,4cyclictest7690-21apt-get20:15:123
66279950,0cyclictest0-21swapper/321:40:593
66229950,5cyclictest12687-21ssh22:36:352
66229950,5cyclictest0-21swapper/223:58:122
66229950,5cyclictest0-21swapper/223:30:072
66229950,5cyclictest0-21swapper/223:07:262
66229950,5cyclictest0-21swapper/222:09:572
66229950,5cyclictest0-21swapper/221:14:562
66229950,5cyclictest0-21swapper/219:36:292
66229950,4cyclictest9172-21munin-node19:15:002
66189950,5cyclictest0-21swapper/123:33:521
66189950,5cyclictest0-21swapper/122:40:101
66189950,5cyclictest0-21swapper/100:35:431
66149952,3cyclictest24405-21ssh21:37:050
66149952,3cyclictest24405-21ssh21:37:050
66149951,3cyclictest802-21snmpd23:51:150
66149950,5cyclictest0-21swapper/023:45:430
66149950,5cyclictest0-21swapper/022:24:140
66149950,4cyclictest0-21swapper/019:25:010
13791250,0sleep20-21swapper/221:31:372
66279944,0cyclictest7421-21ssh22:01:043
66279944,0cyclictest22300-21kworker/3:223:54:523
66279944,0cyclictest22300-21kworker/3:222:36:293
66279944,0cyclictest22300-21kworker/3:220:10:563
66279944,0cyclictest21178-21kworker/3:019:37:203
66279944,0cyclictest0-21swapper/323:47:343
66279944,0cyclictest0-21swapper/322:43:153
66279944,0cyclictest0-21swapper/321:20:543
66279944,0cyclictest0-21swapper/300:30:373
66279943,1cyclictest1344-21gltestperf23:20:143
66279942,2cyclictest40-21ksoftirqd/321:10:243
66279942,1cyclictest25496-21ssh00:05:163
66279940,4cyclictest27083-21grep21:55:123
66279940,4cyclictest18153-21ssh22:55:263
66279940,4cyclictest1474-21ssh22:15:103
66279940,4cyclictest0-21swapper/323:40:093
66279940,4cyclictest0-21swapper/323:35:053
66279940,4cyclictest0-21swapper/323:15:043
66279940,4cyclictest0-21swapper/323:00:133
66279940,4cyclictest0-21swapper/322:30:133
66279940,4cyclictest0-21swapper/322:20:173
66279940,4cyclictest0-21swapper/321:45:143
66279940,4cyclictest0-21swapper/321:34:153
66279940,4cyclictest0-21swapper/320:45:143
66279940,4cyclictest0-21swapper/320:30:133
66279940,4cyclictest0-21swapper/320:25:143
66279940,4cyclictest0-21swapper/319:40:113
66279940,4cyclictest0-21swapper/319:20:123
66279940,4cyclictest0-21swapper/300:10:143
66279940,4cyclictest0-21swapper/300:00:123
66279940,3cyclictest8491-21grep19:10:213
66279940,3cyclictest4499-21ssh23:55:123
66279940,3cyclictest28144-21ssh22:45:003
66279940,3cyclictest25266-21/usr/sbin/munin19:45:153
66279940,3cyclictest21330-21/usr/sbin/munin22:25:153
66279940,3cyclictest20803-21ssh00:20:013
66279940,3cyclictest17902-21ssh00:35:073
66279940,3cyclictest13455-21ssh23:26:013
66279940,3cyclictest13356-21ssh22:53:483
66279940,3cyclictest0-21swapper/322:10:173
66279940,2cyclictest0-21swapper/300:15:123
66279940,1cyclictest9858-21modprobe19:15:013
66229944,0cyclictest5212-21apt-get20:10:102
66229944,0cyclictest0-21swapper/221:35:012
66229944,0cyclictest0-21swapper/221:35:012
66229944,0cyclictest0-21swapper/200:22:392
66229943,1cyclictest26146-21wc20:50:182
66229943,1cyclictest2381-21tr00:10:152
66229943,1cyclictest10934-21df_inode23:25:132
66229942,2cyclictest802-21snmpd19:55:322
66229940,4cyclictest25252-21apt-get19:45:002
66229940,4cyclictest15226-21ssh21:49:182
66229940,4cyclictest0-21swapper/223:46:262
66229940,4cyclictest0-21swapper/223:16:302
66229940,4cyclictest0-21swapper/222:55:012
66229940,4cyclictest0-21swapper/222:20:182
66229940,4cyclictest0-21swapper/221:50:122
66229940,4cyclictest0-21swapper/221:40:102
66229940,4cyclictest0-21swapper/221:25:132
66229940,4cyclictest0-21swapper/221:20:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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