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2026-06-24 - 16:05
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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 Jun 24, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
170642231215,11sleep10-21swapper/107:05:031
191422200183,12sleep30-21swapper/307:08:053
192292185168,12sleep20-21swapper/207:09:132
192172181165,12sleep00-21swapper/007:09:020
96082430,0sleep20-21swapper/209:54:292
217242100,0sleep20-21swapper/211:19:402
217242100,0sleep20-21swapper/211:19:402
194629991,6cyclictest0-21swapper/310:20:113
194629965,1cyclictest0-21swapper/310:50:563
194559962,3cyclictest0-21swapper/110:55:091
194549960,3cyclictest5218-21apt-get08:50:000
194629955,0cyclictest15581-21kworker/3:211:45:203
194629955,0cyclictest15581-21kworker/3:211:22:563
194629955,0cyclictest15581-21kworker/3:209:42:093
194629955,0cyclictest15581-21kworker/3:209:30:583
194629955,0cyclictest15581-21kworker/3:208:57:233
194629955,0cyclictest15581-21kworker/3:208:23:483
194629955,0cyclictest15522-21diskmemload11:10:343
194629955,0cyclictest0-21swapper/311:36:543
194629951,4cyclictest0-21swapper/311:05:113
194629950,0cyclictest0-21swapper/312:12:433
194609950,5cyclictest0-21swapper/212:31:452
194609950,5cyclictest0-21swapper/211:50:082
194609950,5cyclictest0-21swapper/210:44:212
194609950,5cyclictest0-21swapper/207:15:112
194609950,4cyclictest0-21swapper/207:30:102
194559951,3cyclictest0-21swapper/107:30:101
194559951,2cyclictest0-21swapper/112:20:101
194559951,2cyclictest0-21swapper/107:55:091
194559950,5cyclictest0-21swapper/112:26:031
194559950,5cyclictest0-21swapper/112:00:181
194559950,5cyclictest0-21swapper/111:25:221
194559950,5cyclictest0-21swapper/111:07:291
194559950,5cyclictest0-21swapper/110:27:541
194549954,1cyclictest0-21swapper/007:15:000
194549953,1cyclictest24009-21latency_hist11:05:000
194549950,5cyclictest0-21swapper/012:15:380
194549950,5cyclictest0-21swapper/008:35:120
194549950,0cyclictest3410-21apt-get10:55:020
17908250,0sleep30-21swapper/310:14:253
11321250,0sleep10-21swapper/109:55:121
7902240,0sleep10-21swapper/110:40:211
2762240,0sleep00-21swapper/011:41:260
194629944,0cyclictest15581-21kworker/3:212:30:043
194629944,0cyclictest15581-21kworker/3:208:46:123
194629944,0cyclictest15581-21kworker/3:208:34:593
194629944,0cyclictest15581-21kworker/3:208:01:243
194629944,0cyclictest15581-21kworker/3:208:01:243
194629944,0cyclictest15581-21kworker/3:207:27:493
194629944,0cyclictest15522-21diskmemload10:40:533
194629944,0cyclictest0-21swapper/312:20:083
194629944,0cyclictest0-21swapper/309:55:223
194629944,0cyclictest0-21swapper/309:50:163
194629943,1cyclictest6939-21ssh12:00:003
194629942,1cyclictest22984-21python10:00:203
194629940,4cyclictest32530-21apt-get07:35:023
194629940,4cyclictest30737-21ntp_states11:55:163
194629940,4cyclictest24705-21ssh09:14:223
194629940,4cyclictest19059-21ssh11:33:593
194629940,4cyclictest15522-21diskmemload09:47:573
194629940,4cyclictest15522-21diskmemload09:22:003
194629940,4cyclictest0-21swapper/312:35:093
194629940,4cyclictest0-21swapper/312:25:103
194629940,4cyclictest0-21swapper/311:25:113
194629940,4cyclictest0-21swapper/311:00:133
194629940,4cyclictest0-21swapper/310:35:113
194629940,4cyclictest0-21swapper/310:33:083
194629940,4cyclictest0-21swapper/309:36:463
194629940,4cyclictest0-21swapper/309:18:333
194629940,4cyclictest0-21swapper/307:49:133
194629940,4cyclictest0-21swapper/307:40:133
194629940,4cyclictest0-21swapper/307:30:113
194629940,3cyclictest9068-21ssh10:25:193
194629940,3cyclictest8890-21perl07:50:123
194629940,3cyclictest4078-21apt10:55:103
194629940,3cyclictest26018-21perl07:20:123
194629940,3cyclictest2304-21ssh10:06:033
194629940,3cyclictest21324-21/usr/sbin/munin10:15:203
194629940,3cyclictest17185-21cat12:04:593
194629940,3cyclictest16568-21df_inode10:45:133
194629940,3cyclictest15522-21diskmemload11:40:013
194629940,3cyclictest15522-21diskmemload11:15:033
194629940,3cyclictest15522-21diskmemload11:15:023
194629940,3cyclictest14936-21sed09:05:213
194629940,3cyclictest0-21swapper/308:40:103
194629940,3cyclictest0-21swapper/308:10:113
194629940,1cyclictest23902-21memory07:15:153
194609944,0cyclictest0-21swapper/212:04:502
194609944,0cyclictest0-21swapper/211:27:092
194609944,0cyclictest0-21swapper/210:52:392
194609944,0cyclictest0-21swapper/210:16:162
194609944,0cyclictest0-21swapper/209:40:302
194609944,0cyclictest0-21swapper/209:26:322
194609944,0cyclictest0-21swapper/208:25:242
194609944,0cyclictest0-21swapper/208:10:162
194609942,2cyclictest32721-21ssh11:09:002
194609942,1cyclictest802-21snmpd12:26:402
194609942,1cyclictest802-21snmpd10:02:002
194609941,3cyclictest802-21snmpd11:46:362
194609941,3cyclictest22831-21sh11:20:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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