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2026-05-29 - 21:04
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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 29, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
105362199184,11sleep10-21swapper/107:09:241
102822194177,12sleep00-21swapper/007:06:100
102452183158,20sleep30-21swapper/307:05:403
103712171154,12sleep20-21swapper/207:07:202
131462490,0sleep10-21swapper/109:36:111
63032460,0sleep10-21swapper/109:33:201
155262430,0sleep00-21swapper/011:42:370
62552420,0sleep06049-21latency_hist10:05:020
108572420,0sleep10-21swapper/111:24:571
271742410,0sleep00-21swapper/009:59:250
289292300,0sleep10-21swapper/110:15:201
14845290,0sleep10-21swapper/109:53:101
108199982,3cyclictest5865-21awk08:30:000
108199981,3cyclictest32693-21munin-run08:15:010
108519970,6cyclictest17765-21df09:00:113
108199971,3cyclictest26710-21munin-run10:45:000
108419965,1cyclictest1847-21decode-dimms10:17:572
108309962,2cyclictest0-21swapper/111:50:111
108199960,0cyclictest0-21swapper/010:17:560
24289250,0sleep10-21swapper/111:15:131
108519955,0cyclictest1879-21kworker/3:110:50:473
108519953,1cyclictest31513-21ssh09:30:053
108519950,5cyclictest0-21swapper/311:40:103
108519950,5cyclictest0-21swapper/311:13:553
108519950,5cyclictest0-21swapper/310:27:573
108519950,5cyclictest0-21swapper/309:41:323
108519950,4cyclictest23684-21cron12:35:003
108419955,0cyclictest0-21swapper/210:11:352
108419950,5cyclictest0-21swapper/211:48:372
108419950,5cyclictest0-21swapper/210:35:122
108419950,5cyclictest0-21swapper/209:57:182
108419950,4cyclictest0-21swapper/211:05:122
108419950,0cyclictest0-21swapper/211:42:132
108309952,2cyclictest0-21swapper/110:50:121
108309952,2cyclictest0-21swapper/109:45:161
108309951,3cyclictest0-21swapper/111:35:101
108309951,3cyclictest0-21swapper/110:40:121
108309951,3cyclictest0-21swapper/108:35:101
108309951,2cyclictest0-21swapper/112:10:101
108309951,2cyclictest0-21swapper/111:55:101
108309951,2cyclictest0-21swapper/111:40:111
108309951,2cyclictest0-21swapper/110:35:111
108309951,2cyclictest0-21swapper/110:10:121
108309951,2cyclictest0-21swapper/109:15:101
108309951,2cyclictest0-21swapper/109:10:111
108309951,2cyclictest0-21swapper/107:50:071
108309950,5cyclictest0-21swapper/110:09:161
108309950,5cyclictest0-21swapper/109:55:461
108199950,5cyclictest21431-21apt-get09:25:120
108199950,5cyclictest0-21swapper/009:14:290
108199950,4cyclictest32730-21ssh09:15:010
108199950,4cyclictest0-21swapper/008:55:100
108199950,1cyclictest14531-21munin-run08:55:000
108519944,0cyclictest3849-21kworker/3:208:47:403
108519944,0cyclictest0-21swapper/312:23:373
108519944,0cyclictest0-21swapper/311:31:143
108519944,0cyclictest0-21swapper/310:59:493
108519944,0cyclictest0-21swapper/310:36:063
108519943,1cyclictest5273-21wc08:25:193
108519942,1cyclictest802-21snmpd08:14:173
108519942,1cyclictest802-21snmpd08:02:373
108519942,1cyclictest1804-21uptime10:17:553
108519942,1cyclictest17248-21sh09:22:473
108519941,3cyclictest30203-21cat10:30:153
108519940,4cyclictest4462-21diskstats12:25:133
108519940,4cyclictest21951-21diskmemload12:35:093
108519940,4cyclictest18279-21ssh10:24:593
108519940,4cyclictest0-21swapper/312:17:123
108519940,4cyclictest0-21swapper/311:55:153
108519940,4cyclictest0-21swapper/311:49:413
108519940,4cyclictest0-21swapper/311:35:103
108519940,4cyclictest0-21swapper/311:05:123
108519940,4cyclictest0-21swapper/310:45:113
108519940,4cyclictest0-21swapper/310:07:393
108519940,4cyclictest0-21swapper/309:50:103
108519940,4cyclictest0-21swapper/309:45:153
108519940,4cyclictest0-21swapper/309:27:023
108519940,4cyclictest0-21swapper/309:18:353
108519940,4cyclictest0-21swapper/309:05:133
108519940,4cyclictest0-21swapper/308:50:103
108519940,4cyclictest0-21swapper/307:10:023
108519940,3cyclictest2765-21ntp_states11:20:193
108519940,3cyclictest22863-21sh10:42:373
108519940,3cyclictest21951-21diskmemload10:11:573
108519940,3cyclictest21071-21cat07:40:003
108519940,3cyclictest18605-21ssh11:28:213
108519940,3cyclictest17290-21latency_hist07:25:013
108519940,3cyclictest13599-21munin-node07:15:023
108519940,0cyclictest0-21swapper/312:02:313
108519940,0cyclictest0-21swapper/310:01:463
108519940,0cyclictest0-21swapper/308:35:013
108419944,0cyclictest0-21swapper/212:04:202
108419944,0cyclictest0-21swapper/211:20:062
108419943,1cyclictest697-21cpuspeed08:15:112
108419943,1cyclictest11880-21tr11:25:112
108419942,2cyclictest13540-21kworker/2:207:57:052
108419942,2cyclictest0-21swapper/211:02:462
108419942,1cyclictest6685-21systemctl10:50:182
108419942,1cyclictest20317-21ssh10:25:192
108419941,3cyclictest802-21snmpd08:45:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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