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2026-05-15 - 05:53
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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 15, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
160202198180,13sleep30-21swapper/319:06:453
160052191175,11sleep00-21swapper/019:06:330
160952187169,13sleep10-21swapper/119:07:441
159672159141,13sleep20-21swapper/219:06:032
136912440,0sleep00-21swapper/023:32:320
88802430,0sleep10-21swapper/121:23:381
194262110,0sleep00-21swapper/022:15:340
56392100,0sleep30-21swapper/321:21:403
214532100,0sleep20-21swapper/221:14:062
164519982,3cyclictest4695-21perf19:50:000
164609970,5cyclictest0-21swapper/319:40:113
22423260,0sleep10-21swapper/120:25:001
164609960,1cyclictest2933-21df_inode00:15:133
12700260,0sleep212874-21memory21:25:162
24331250,0sleep30-21swapper/300:25:203
164609955,0cyclictest19240-21kworker/3:220:47:373
164609955,0cyclictest0-21swapper/323:43:213
164609953,2cyclictest40-21ksoftirqd/300:05:153
164609950,5cyclictest0-21swapper/323:38:503
164609950,5cyclictest0-21swapper/322:56:383
164609950,5cyclictest0-21swapper/321:58:353
164609950,4cyclictest0-21swapper/322:00:113
164609950,0cyclictest0-21swapper/322:14:543
164599954,1cyclictest0-21swapper/223:37:212
164599954,1cyclictest0-21swapper/222:37:412
164599950,5cyclictest0-21swapper/223:29:462
164599950,5cyclictest0-21swapper/222:41:292
164599950,5cyclictest0-21swapper/200:00:092
164539951,2cyclictest0-21swapper/123:50:121
164539951,2cyclictest0-21swapper/122:20:111
164539951,2cyclictest0-21swapper/122:00:111
164539951,2cyclictest0-21swapper/121:45:121
164539951,2cyclictest0-21swapper/119:15:121
164539950,5cyclictest0-21swapper/123:40:391
164539950,5cyclictest0-21swapper/123:13:181
164539950,5cyclictest0-21swapper/121:30:181
164539950,5cyclictest0-21swapper/100:34:461
164519955,0cyclictest0-21swapper/021:57:200
164519951,3cyclictest802-21snmpd19:10:010
164519950,5cyclictest0-21swapper/022:27:440
164519950,5cyclictest0-21swapper/019:55:010
2275240,0sleep00-21swapper/000:30:220
164609944,0cyclictest19240-21kworker/3:221:54:473
164609944,0cyclictest19209-21ssh23:50:553
164609944,0cyclictest0-21swapper/320:59:563
164609944,0cyclictest0-21swapper/300:12:093
164609943,1cyclictest26424-21tr22:35:163
164609942,1cyclictest31741-21users19:35:193
164609942,1cyclictest30246-21ssh23:25:083
164609942,1cyclictest29329-21ssh22:52:313
164609942,1cyclictest27698-21grep20:35:133
164609942,1cyclictest13959-21ssh23:32:423
164609941,3cyclictest802-21snmpd20:52:523
164609941,2cyclictest0-21swapper/321:45:133
164609940,4cyclictest10051-21apt-get21:40:113
164609940,4cyclictest0-21swapper/323:15:113
164609940,4cyclictest0-21swapper/323:05:033
164609940,4cyclictest0-21swapper/323:05:023
164609940,4cyclictest0-21swapper/322:30:123
164609940,4cyclictest0-21swapper/321:15:153
164609940,4cyclictest0-21swapper/321:10:143
164609940,4cyclictest0-21swapper/321:05:113
164609940,4cyclictest0-21swapper/300:30:123
164609940,3cyclictest32669-21diskstats23:10:153
164609940,3cyclictest30402-21ssh22:05:183
164609940,3cyclictest29286-21users22:20:193
164609940,3cyclictest25069-21ls20:30:003
164609940,3cyclictest19945-21ssh23:20:023
164609940,3cyclictest19194-21grep19:15:003
164609940,3cyclictest12467-21diskmemload00:20:013
164609940,3cyclictest11425-21ssh21:25:033
164609940,3cyclictest0-21swapper/319:25:113
164609940,0cyclictest0-21swapper/319:23:453
164599944,0cyclictest0-21swapper/223:58:352
164599944,0cyclictest0-21swapper/221:42:492
164599944,0cyclictest0-21swapper/220:20:102
164599944,0cyclictest0-21swapper/200:21:252
164599943,1cyclictest6068-21/usr/sbin/munin23:45:172
164599943,1cyclictest1201-21kworker/2:221:38:012
164599942,2cyclictest0-21swapper/221:56:302
164599942,1cyclictest16186-21/usr/sbin/munin23:50:132
164599942,1cyclictest1417-21ssh21:20:132
164599940,4cyclictest3686-21ssh21:52:282
164599940,4cyclictest2088-21apt-get00:15:002
164599940,4cyclictest0-21swapper/223:15:082
164599940,4cyclictest0-21swapper/223:00:132
164599940,4cyclictest0-21swapper/222:55:112
164599940,4cyclictest0-21swapper/222:24:182
164599940,4cyclictest0-21swapper/222:19:012
164599940,4cyclictest0-21swapper/222:00:172
164599940,4cyclictest0-21swapper/220:55:112
164599940,4cyclictest0-21swapper/220:45:102
164599940,4cyclictest0-21swapper/219:10:112
164599940,4cyclictest0-21swapper/200:39:362
164599940,4cyclictest0-21swapper/200:33:142
164599940,3cyclictest8092-21sh23:30:122
164599940,3cyclictest28104-21df20:35:132
164599940,3cyclictest16623-21cut22:15:022
164599940,3cyclictest13565-21/usr/sbin/munin22:45:182
164599940,2cyclictest0-21swapper/221:45:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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