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2026-01-07 - 23:03
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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 rack1slot3.osadl.org (updated Wed Jan 07, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319613099140,12cyclictest0-21swapper/309:05:123
3196130991310,2cyclictest3237416-21chrt08:55:013
319613099130,12cyclictest0-21swapper/311:35:103
3196130991211,1cyclictest0-21swapper/309:55:133
3196130991211,0cyclictest0-21swapper/310:50:193
319613099120,11cyclictest0-21swapper/310:25:193
319613099120,11cyclictest0-21swapper/308:55:133
319613099120,11cyclictest0-21swapper/308:20:123
319613099120,11cyclictest0-21swapper/307:45:163
319613099110,10cyclictest0-21swapper/312:29:563
319613099110,10cyclictest0-21swapper/312:25:013
319613099110,10cyclictest0-21swapper/311:30:113
319613099110,10cyclictest0-21swapper/310:35:213
319613099110,0cyclictest0-21swapper/312:00:123
319613099110,0cyclictest0-21swapper/311:20:133
319613099110,0cyclictest0-21swapper/311:05:123
319613099110,0cyclictest0-21swapper/310:40:123
319613099110,0cyclictest0-21swapper/309:15:133
319613099109,0cyclictest0-21swapper/309:50:123
319613099109,0cyclictest0-21swapper/309:00:123
319613099109,0cyclictest0-21swapper/308:05:113
3196130991010,0cyclictest0-21swapper/310:00:113
3196130991010,0cyclictest0-21swapper/309:14:563
3196130991010,0cyclictest0-21swapper/308:20:013
3196130991010,0cyclictest0-21swapper/307:55:183
3196130991010,0cyclictest0-21swapper/307:25:183
319613099100,9cyclictest0-21swapper/312:30:123
319613099100,0cyclictest0-21swapper/311:05:013
319613099100,0cyclictest0-21swapper/308:00:133
31961309999,0cyclictest0-21swapper/310:20:133
31961309999,0cyclictest0-21swapper/308:25:203
31961309999,0cyclictest0-21swapper/307:20:123
31961309998,1cyclictest0-21swapper/311:40:103
31961309998,0cyclictest0-21swapper/311:26:493
31961309998,0cyclictest0-21swapper/310:10:193
31961309998,0cyclictest0-21swapper/309:45:103
31961309990,9cyclictest0-21swapper/310:55:203
31961309990,8cyclictest0-21swapper/312:05:183
31961309990,8cyclictest0-21swapper/307:15:113
3194860291,5sleep30-21swapper/307:05:153
31961309988,0cyclictest0-21swapper/311:45:133
31961309988,0cyclictest0-21swapper/310:45:013
31961309988,0cyclictest0-21swapper/309:25:173
31961309988,0cyclictest0-21swapper/309:25:173
31961309988,0cyclictest0-21swapper/308:47:363
31961309988,0cyclictest0-21swapper/308:15:013
31961309988,0cyclictest0-21swapper/307:35:133
31961309988,0cyclictest0-21swapper/307:10:143
31961309980,8cyclictest0-21swapper/308:40:133
31961309980,7cyclictest0-21swapper/311:59:283
31961309980,7cyclictest0-21swapper/308:30:203
31961309977,0cyclictest0-21swapper/311:15:193
31961309977,0cyclictest0-21swapper/309:40:133
31961309976,0cyclictest0-21swapper/312:15:123
31961309976,0cyclictest0-21swapper/311:53:323
31961309976,0cyclictest0-21swapper/309:32:123
31961309970,7cyclictest0-21swapper/312:10:173
31961309966,0cyclictest0-21swapper/310:05:193
31961309965,1cyclictest0-21swapper/309:35:123
31961309965,0cyclictest0-21swapper/311:10:133
31961309962,4cyclictest0-21swapper/310:30:163
31961309960,5cyclictest0-21swapper/312:35:173
31961309960,5cyclictest0-21swapper/308:35:123
3194753261,3sleep20-21swapper/207:05:142
14039860,5rtkit-daemon1-21systemd11:25:171
14039860,0rtkit-daemon0-21swapper/110:46:461
3303939250,2sleep03303946-21latency_hist11:35:010
31961309955,0cyclictest0-21swapper/307:50:133
31961309955,0cyclictest0-21swapper/307:33:033
31961309950,4cyclictest0-21swapper/307:40:173
31961309950,3cyclictest0-21swapper/309:20:013
14039850,2rtkit-daemon766-21snmpd11:01:131
14039850,2rtkit-daemon0-21swapper/107:05:031
14039850,0rtkit-daemon1402-21rtkit-daemon12:14:531
3314580240,0sleep20-21swapper/211:59:002
3307301240,0sleep2441rcuc/211:40:152
3286560240,0sleep20-21swapper/210:52:242
3263249240,4sleep10-21swapper/109:58:001
31961309943,0cyclictest0-21swapper/310:15:043
3194402241,1sleep00-21swapper/007:05:120
14039840,2rtkit-daemon3233830-21apt-get08:45:101
14039840,2rtkit-daemon3215261-21find07:55:181
14039840,2rtkit-daemon1410-21sendmail-mta11:23:101
14039840,2rtkit-daemon1410-21sendmail-mta10:02:501
14039840,2rtkit-daemon1-21systemd08:10:121
14039840,2rtkit-daemon1-21systemd07:17:371
3304447230,2sleep13304473-21apt-get11:35:101
3288962230,0sleep20-21swapper/211:00:012
3233803230,0sleep00-21swapper/008:45:100
3225899230,2sleep03225998-21aten_r1power_po08:25:130
3220118230,1sleep03220144-21apt-get08:10:120
3197957230,2sleep03198279-21munin-node07:15:010
14039830,2rtkit-daemon766-21snmpd11:41:111
14039830,2rtkit-daemon621-21systemd-logind07:13:581
14039830,2rtkit-daemon440-21systemd-udevd07:51:581
14039830,2rtkit-daemon1-21systemd10:32:241
14039830,1rtkit-daemon772-21lldpd09:10:321
14039830,1rtkit-daemon769-21ntpd10:25:331
14039830,1rtkit-daemon769-21ntpd08:53:311
14039830,1rtkit-daemon766-21snmpd11:57:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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