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2025-12-05 - 02:30
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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 Dec 05, 2025 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
49912198182,11sleep10-21swapper/119:09:241
47712193174,14sleep20-21swapper/219:06:322
47102185169,12sleep00-21swapper/019:05:460
47082185168,13sleep30-21swapper/319:05:453
296882470,0sleep30-21swapper/322:27:433
296882470,0sleep30-21swapper/322:27:423
256642470,0sleep10-21swapper/100:02:441
17472450,0sleep30-21swapper/321:25:213
118212450,0sleep20-21swapper/222:02:432
195982420,0sleep20-21swapper/223:27:102
205952390,0sleep30-21swapper/323:44:123
524199102,4cyclictest2007-21munin-run00:40:000
52419982,3cyclictest17639-21munin-run21:50:010
52419981,3cyclictest9369-21munin-run23:55:000
29086280,0sleep10-21swapper/121:23:061
26140280,0sleep10-21swapper/122:10:141
52419970,3cyclictest8922-21munin-run20:20:000
52419970,3cyclictest13510-21awk19:25:010
52529960,5cyclictest0-21swapper/320:00:133
52489961,4cyclictest0-21swapper/223:15:012
52489960,5cyclictest24220-21apt-get19:45:012
52419961,3cyclictest0-21swapper/022:00:120
52419960,3cyclictest3952-21munin-run20:10:000
52419960,3cyclictest25498-21munin-run22:10:010
52419960,3cyclictest19885-21munin-run21:35:010
52529954,1cyclictest0-21swapper/321:20:023
52529950,5cyclictest26655-21cat23:30:213
52529950,5cyclictest0-21swapper/321:32:043
52529950,4cyclictest0-21swapper/300:00:143
52489955,0cyclictest0-21swapper/200:06:202
52489950,5cyclictest0-21swapper/223:05:052
52489950,5cyclictest0-21swapper/221:33:592
52489950,5cyclictest0-21swapper/221:10:332
52489950,5cyclictest0-21swapper/220:01:352
52489950,0cyclictest0-21swapper/223:48:352
52429951,2cyclictest0-21swapper/119:30:121
52429950,5cyclictest0-21swapper/121:28:241
52419951,4cyclictest0-21swapper/021:15:140
52419951,2cyclictest0-21swapper/000:30:130
52419950,5cyclictest0-21swapper/023:37:430
52419950,5cyclictest0-21swapper/023:28:240
52419950,5cyclictest0-21swapper/019:30:210
52419950,5cyclictest0-21swapper/000:20:120
8922240,0sleep30-21swapper/322:50:043
52529944,0cyclictest0-21swapper/323:55:063
52529944,0cyclictest0-21swapper/322:05:413
52529942,1cyclictest0-21swapper/323:05:143
52529941,3cyclictest808-21snmpd22:43:003
52529941,3cyclictest808-21snmpd20:46:023
52529941,1cyclictest0-21swapper/323:15:123
52529941,1cyclictest0-21swapper/319:20:113
52529940,4cyclictest6099-21ssh23:52:583
52529940,4cyclictest21449-21ssh21:35:153
52529940,4cyclictest0-21swapper/323:45:133
52529940,4cyclictest0-21swapper/323:14:473
52529940,4cyclictest0-21swapper/322:46:033
52529940,4cyclictest0-21swapper/322:12:433
52529940,4cyclictest0-21swapper/321:55:333
52529940,4cyclictest0-21swapper/319:45:143
52529940,4cyclictest0-21swapper/300:25:153
52529940,4cyclictest0-21swapper/300:21:083
52529940,4cyclictest0-21swapper/300:15:543
52529940,4cyclictest0-21swapper/300:10:133
52529940,3cyclictest5778-21ssh22:15:243
52529940,3cyclictest5705-21chmod22:00:013
52529940,3cyclictest5173-21irqstats20:10:183
52529940,3cyclictest4224-21sh22:30:463
52529940,3cyclictest3095-21/usr/sbin/munin23:35:153
52529940,3cyclictest29477-21ssh00:05:003
52529940,3cyclictest24964-21ssh00:35:123
52529940,3cyclictest22830-21ntp_states19:40:173
52529940,3cyclictest20873-21ssh21:50:453
52529940,3cyclictest19316-21sh00:31:473
52529940,3cyclictest17078-21rm23:25:353
52529940,3cyclictest15174-21ntpq19:25:173
52529940,3cyclictest12030-21ssh21:46:303
52529940,1cyclictest6655-21/usr/sbin/munin20:15:203
52529940,1cyclictest31205-21fschecks_time21:40:143
52529940,1cyclictest29225-21/usr/sbin/munin23:00:133
52529940,1cyclictest10425-21ntp_states20:20:183
52489944,0cyclictest0-21swapper/222:40:122
52489944,0cyclictest0-21swapper/222:26:582
52489944,0cyclictest0-21swapper/222:26:582
52489944,0cyclictest0-21swapper/222:19:152
52489942,2cyclictest23306-21ssh00:17:522
52489941,3cyclictest808-21snmpd22:30:272
52489941,3cyclictest0-21swapper/219:15:112
52489940,4cyclictest0-21swapper/223:55:142
52489940,4cyclictest0-21swapper/223:35:122
52489940,4cyclictest0-21swapper/222:50:302
52489940,4cyclictest0-21swapper/222:35:142
52489940,4cyclictest0-21swapper/222:22:322
52489940,4cyclictest0-21swapper/222:05:142
52489940,4cyclictest0-21swapper/221:24:192
52489940,4cyclictest0-21swapper/220:10:372
52489940,4cyclictest0-21swapper/219:50:132
52489940,4cyclictest0-21swapper/219:36:342
52489940,4cyclictest0-21swapper/219:10:122
52489940,4cyclictest0-21swapper/200:35:162
52489940,4cyclictest0-21swapper/200:30:362
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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