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2026-05-22 - 11:36
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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 May 22, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48662189171,13sleep30-21swapper/319:08:373
47752185167,13sleep00-21swapper/019:07:260
48742182164,13sleep10-21swapper/119:08:431
46492165147,13sleep20-21swapper/219:05:512
133962520,0sleep30-21swapper/300:10:103
135982490,0sleep00-21swapper/021:46:590
194002460,0sleep30-21swapper/323:09:293
220652450,0sleep10-21swapper/122:06:541
199042450,0sleep20-21swapper/222:05:352
62572420,0sleep00-21swapper/022:46:400
271892400,0sleep10-21swapper/100:00:201
298162120,0sleep10-21swapper/100:17:571
246532110,0sleep30-21swapper/323:43:443
305872100,0sleep20-21swapper/222:10:522
116002100,0sleep10-21swapper/100:09:131
27173290,0sleep00-21swapper/000:32:330
51539982,3cyclictest24798-21munin-run00:00:000
19635280,0sleep00-21swapper/023:09:380
51539971,3cyclictest25576-21perf20:55:000
51539971,3cyclictest10726-21munin-run20:25:000
51549960,6cyclictest0-21swapper/123:40:021
51549960,5cyclictest0-21swapper/123:21:501
51539960,5cyclictest23090-21latency_hist20:50:000
51639955,0cyclictest7705-21kworker/3:222:13:203
51639955,0cyclictest7705-21kworker/3:222:02:093
51639955,0cyclictest7705-21kworker/3:220:43:453
51639955,0cyclictest7705-21kworker/3:220:32:333
51639955,0cyclictest7705-21kworker/3:219:58:593
51639955,0cyclictest0-21swapper/321:31:293
51639950,5cyclictest0-21swapper/323:19:263
51639950,5cyclictest0-21swapper/321:59:073
51639950,5cyclictest0-21swapper/300:25:033
51639950,5cyclictest0-21swapper/300:06:433
51639950,0cyclictest755-21diskmemload23:24:413
51639950,0cyclictest0-21swapper/323:04:273
51589955,0cyclictest0-21swapper/223:23:552
51589954,0cyclictest0-21swapper/222:28:292
51589950,5cyclictest0-21swapper/220:20:112
51589950,0cyclictest0-21swapper/223:36:432
51589950,0cyclictest0-21swapper/222:44:482
51549951,2cyclictest0-21swapper/119:45:111
51539954,1cyclictest3-21ksoftirqd/023:25:010
51539950,5cyclictest0-21swapper/023:42:480
51539950,5cyclictest0-21swapper/021:50:200
23132250,0sleep10-21swapper/123:10:321
51639944,0cyclictest7705-21kworker/3:221:28:333
51639944,0cyclictest0-21swapper/323:55:573
51639944,0cyclictest0-21swapper/300:22:013
51639943,1cyclictest27099-21ntp_states19:50:153
51639943,1cyclictest0-21swapper/321:47:203
51639942,1cyclictest5463-21cut22:15:123
51639940,4cyclictest20636-21ssh23:10:073
51639940,4cyclictest12797-21ssh23:37:423
51639940,4cyclictest0-21swapper/323:50:183
51639940,4cyclictest0-21swapper/323:45:113
51639940,4cyclictest0-21swapper/323:33:023
51639940,4cyclictest0-21swapper/322:58:533
51639940,4cyclictest0-21swapper/322:46:443
51639940,4cyclictest0-21swapper/322:42:483
51639940,4cyclictest0-21swapper/321:40:103
51639940,4cyclictest0-21swapper/321:11:213
51639940,4cyclictest0-21swapper/300:35:373
51639940,4cyclictest0-21swapper/300:00:113
51639940,3cyclictest27342-21sed22:10:023
51639940,3cyclictest24920-21ssh21:52:393
51639940,3cyclictest23498-21/usr/sbin/munin00:15:133
51639940,3cyclictest21110-21sh21:19:493
51639940,3cyclictest20596-21/usr/sbin/munin21:35:153
51639940,3cyclictest14252-21users22:50:203
51639940,3cyclictest13784-21taskset22:35:033
51589944,0cyclictest31-21ksoftirqd/221:15:022
51589944,0cyclictest31-21ksoftirqd/220:00:012
51589944,0cyclictest0-21swapper/223:56:482
51589944,0cyclictest0-21swapper/223:18:412
51589944,0cyclictest0-21swapper/223:09:402
51589943,1cyclictest31-21ksoftirqd/219:15:012
51589943,1cyclictest31-21ksoftirqd/200:25:012
51589943,1cyclictest19693-21kworker/2:220:40:052
51589943,1cyclictest10291-21/usr/sbin/munin21:30:172
51589941,3cyclictest802-21snmpd00:15:132
51589940,4cyclictest20885-21/usr/sbin/munin19:40:102
51589940,4cyclictest10989-21apt-get19:20:102
51589940,4cyclictest0-21swapper/223:45:112
51589940,4cyclictest0-21swapper/223:10:102
51589940,4cyclictest0-21swapper/221:05:022
51589940,4cyclictest0-21swapper/220:50:122
51589940,4cyclictest0-21swapper/220:15:172
51589940,4cyclictest0-21swapper/219:45:112
51589940,4cyclictest0-21swapper/200:31:122
51589940,4cyclictest0-21swapper/200:20:112
51589940,4cyclictest0-21swapper/200:12:522
51589940,4cyclictest0-21swapper/200:05:012
51589940,4cyclictest0-21swapper/200:00:122
51589940,3cyclictest9898-21ssh21:45:152
51589940,3cyclictest9442-21sh22:00:282
51589940,3cyclictest8918-21ssh22:32:122
51589940,3cyclictest8043-21memory19:15:012
51589940,3cyclictest5722-21cut20:15:002
51589940,3cyclictest3068-21latency_hist20:10:002
51589940,3cyclictest30174-21irqstats23:30:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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