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2026-06-15 - 19:31
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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 Mon Jun 15, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
281752198182,12sleep10-21swapper/107:07:271
281472185168,12sleep30-21swapper/307:07:053
280592181163,13sleep20-21swapper/207:05:552
281242177161,11sleep00-21swapper/007:06:470
197382510,0sleep10-21swapper/110:48:421
53842450,0sleep00-21swapper/010:57:170
37832450,0sleep10-21swapper/111:12:211
268612450,0sleep10-21swapper/110:20:161
48802430,0sleep10-21swapper/110:25:161
153962410,1sleep215391-21cron09:40:012
255882100,0sleep10-21swapper/111:39:301
285449992,3cyclictest6690-21munin-run07:30:010
285449992,3cyclictest10646-21munin-run12:20:000
285449982,3cyclictest9140-21perf08:40:000
285449982,3cyclictest3339-21perf10:25:010
285449981,3cyclictest14129-21perf07:45:010
285559970,7cyclictest0-21swapper/211:45:102
285509961,3cyclictest0-21swapper/108:15:111
285509961,3cyclictest0-21swapper/107:20:111
285509961,3cyclictest0-21swapper/107:20:111
285449961,1cyclictest12543-21perl08:45:120
285449960,3cyclictest31421-21apt-get08:20:000
27212260,0sleep00-21swapper/009:45:430
5874250,0sleep30-21swapper/312:33:203
285609955,0cyclictest31112-21kworker/3:111:51:513
285609955,0cyclictest31112-21kworker/3:111:29:273
285609955,0cyclictest31112-21kworker/3:109:03:553
285609954,1cyclictest20193-21munin-run11:05:003
285609951,3cyclictest7819-21cat08:35:153
285609950,5cyclictest0-21swapper/312:27:043
285609950,5cyclictest0-21swapper/311:40:013
285609950,5cyclictest0-21swapper/310:16:153
285609950,5cyclictest0-21swapper/310:12:283
285609950,5cyclictest0-21swapper/309:30:523
285609950,4cyclictest11870-21apt-get07:40:113
285609950,1cyclictest0-21swapper/310:20:023
285609950,0cyclictest0-21swapper/309:11:043
285559950,1cyclictest21920-21/usr/sbin/munin09:05:152
285509952,1cyclictest0-21swapper/111:30:101
285509952,1cyclictest0-21swapper/110:40:131
285509951,3cyclictest0-21swapper/109:55:111
285509951,3cyclictest0-21swapper/109:45:071
285509951,3cyclictest0-21swapper/108:30:131
285509951,3cyclictest0-21swapper/108:10:091
285509951,2cyclictest0-21swapper/112:00:111
285509951,2cyclictest0-21swapper/110:55:101
285509951,2cyclictest0-21swapper/109:30:071
285509951,2cyclictest0-21swapper/109:05:121
285509951,2cyclictest0-21swapper/108:50:131
285509951,2cyclictest0-21swapper/107:40:101
285509950,5cyclictest0-21swapper/109:41:251
285449954,1cyclictest27093-21ssh12:11:230
285449953,1cyclictest1493-21munin-run10:40:010
285449952,2cyclictest15853-21ssh09:40:010
285449951,4cyclictest0-21swapper/008:20:110
285449950,5cyclictest0-21swapper/011:01:050
285449950,5cyclictest0-21swapper/009:22:000
285449950,1cyclictest9156-21munin-run07:35:010
285449950,0cyclictest0-21swapper/011:55:390
285609944,0cyclictest32401-21kworker/3:007:11:573
285609944,0cyclictest31112-21kworker/3:108:41:323
285609944,0cyclictest0-21swapper/312:10:373
285609944,0cyclictest0-21swapper/310:59:023
285609943,1cyclictest23601-21grep08:00:213
285609943,1cyclictest14812-21df08:50:133
285609942,1cyclictest2500-21df_inode07:20:133
285609942,1cyclictest2500-21df_inode07:20:123
285609941,3cyclictest802-21snmpd09:22:563
285609941,3cyclictest15316-21awk07:45:153
285609940,4cyclictest24165-21diskmemload11:55:023
285609940,4cyclictest0-21swapper/312:15:033
285609940,4cyclictest0-21swapper/311:45:103
285609940,4cyclictest0-21swapper/311:15:113
285609940,4cyclictest0-21swapper/310:30:133
285609940,4cyclictest0-21swapper/310:30:123
285609940,4cyclictest0-21swapper/309:36:453
285609940,4cyclictest0-21swapper/308:10:123
285609940,4cyclictest0-21swapper/307:35:143
285609940,4cyclictest0-21swapper/307:25:123
285609940,3cyclictest8123-21latency_hist11:15:003
285609940,3cyclictest8040-21/usr/sbin/munin11:30:163
285609940,3cyclictest4916-21df08:30:143
285609940,3cyclictest3666-21ssh10:25:063
285609940,3cyclictest30833-21ssh10:38:073
285609940,3cyclictest28679-21chrt11:08:573
285609940,3cyclictest26690-21ssh09:28:303
285609940,3cyclictest2617-21diskstats10:40:143
285609940,3cyclictest24165-21diskmemload09:45:023
285609940,3cyclictest23216-21fw_packets10:50:153
285609940,3cyclictest22901-21ssh10:01:243
285609940,3cyclictest20916-21date12:25:003
285609940,3cyclictest16757-21/usr/sbin/munin08:55:153
285609940,3cyclictest16542-21ssh11:35:023
285609940,3cyclictest13812-21ssh12:05:133
285609940,3cyclictest12660-21ssh09:55:203
285609940,3cyclictest10472-21ntp_states12:35:173
285609940,3cyclictest0-21swapper/309:50:293
285609940,2cyclictest0-21swapper/310:05:123
285609940,1cyclictest4134-21cat12:00:163
285559944,0cyclictest0-21swapper/210:52:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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