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2026-04-03 - 00:42
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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
Characteristics of the 100 highest latencies:
System rack1slot3.osadl.org (updated Thu Apr 02, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2630127991311,1cyclictest0-21swapper/311:30:123
263012799130,11cyclictest0-21swapper/310:20:113
2630127991211,0cyclictest0-21swapper/308:50:123
2630127991211,0cyclictest0-21swapper/308:40:113
2630127991210,1cyclictest0-21swapper/311:40:123
263012799120,1cyclictest0-21swapper/312:35:123
263012799120,11cyclictest0-21swapper/311:00:183
263012799120,11cyclictest0-21swapper/310:05:183
2630127991110,0cyclictest0-21swapper/312:25:113
2630127991110,0cyclictest0-21swapper/309:55:103
2630127991110,0cyclictest0-21swapper/308:10:123
263012799110,11cyclictest0-21swapper/309:44:563
263012799110,10cyclictest0-21swapper/310:55:013
263012799110,10cyclictest0-21swapper/309:15:013
263012799110,0cyclictest0-21swapper/309:45:113
263012799110,0cyclictest0-21swapper/308:55:113
263012799110,0cyclictest0-21swapper/307:45:083
263012799109,0cyclictest0-21swapper/311:35:143
263012799109,0cyclictest0-21swapper/310:10:123
2630127991010,0cyclictest0-21swapper/312:30:123
2630127991010,0cyclictest0-21swapper/311:29:453
2630127991010,0cyclictest0-21swapper/310:55:143
2630127991010,0cyclictest0-21swapper/309:15:113
2630127991010,0cyclictest0-21swapper/309:15:113
2630127991010,0cyclictest0-21swapper/308:20:013
263012799100,9cyclictest0-21swapper/310:30:003
263012799100,0cyclictest0-21swapper/310:15:113
263012799100,0cyclictest0-21swapper/309:50:023
263012799100,0cyclictest0-21swapper/307:35:133
26301279999,0cyclictest0-21swapper/312:10:163
26301279999,0cyclictest0-21swapper/311:55:193
26301279999,0cyclictest0-21swapper/308:45:163
26301279999,0cyclictest0-21swapper/308:05:113
26301279999,0cyclictest0-21swapper/307:40:013
26301279998,0cyclictest0-21swapper/312:05:163
26301279998,0cyclictest0-21swapper/311:10:113
26301279990,8cyclictest0-21swapper/307:25:003
26301279988,0cyclictest0-21swapper/311:05:123
26301279988,0cyclictest0-21swapper/310:44:553
26301279988,0cyclictest0-21swapper/309:30:193
26301279988,0cyclictest0-21swapper/309:25:123
26301279987,0cyclictest0-21swapper/310:45:163
26301279980,0cyclictest0-21swapper/310:00:113
26301279977,0cyclictest0-21swapper/312:21:363
26301279977,0cyclictest0-21swapper/311:20:123
26301279977,0cyclictest0-21swapper/311:15:113
26301279977,0cyclictest0-21swapper/310:36:443
26301279977,0cyclictest0-21swapper/308:35:093
26301279977,0cyclictest0-21swapper/308:35:013
26301279976,0cyclictest0-21swapper/312:15:103
26301279976,0cyclictest0-21swapper/311:45:183
26301279970,7cyclictest0-21swapper/307:55:073
2628980271,4sleep30-21swapper/307:05:143
14039870,1rtkit-daemon328-21plymouthd07:09:502
26301279966,0cyclictest0-21swapper/312:00:173
26301279966,0cyclictest0-21swapper/311:50:153
26301279966,0cyclictest0-21swapper/310:30:123
26301279966,0cyclictest0-21swapper/309:35:113
26301279966,0cyclictest0-21swapper/307:10:013
26301279960,6cyclictest0-21swapper/307:15:003
26301279960,5cyclictest0-21swapper/309:00:173
26301279950,3cyclictest0-21swapper/307:25:073
2673385240,3sleep02673667-21users09:15:190
2673385240,3sleep02673667-21users09:15:190
26301279943,0cyclictest0-21swapper/309:20:083
26301279943,0cyclictest0-21swapper/308:25:163
26301279940,3cyclictest2641584-21chrt07:51:323
26301279940,2cyclictest0-21swapper/309:05:123
14039840,2rtkit-daemon766-21snmpd10:43:142
14039840,2rtkit-daemon766-21snmpd10:32:532
14039840,2rtkit-daemon2746812-21ntp_states12:10:152
14039840,2rtkit-daemon2743723-21perf12:09:512
14039840,2rtkit-daemon2725374-21/usr/sbin/munin11:20:142
14039840,2rtkit-daemon2694120-21kernelversion10:05:152
14039840,2rtkit-daemon2631079-21munin-node08:55:542
14039840,2rtkit-daemon1-21systemd11:40:592
14039840,2rtkit-daemon1-21systemd09:56:392
14039840,2rtkit-daemon1-21systemd08:00:112
14039840,1rtkit-daemon1-21systemd11:09:382
2720404230,0sleep00-21swapper/011:09:260
2717325230,0sleep1341rcuc/111:00:181
2702985230,2sleep02703235-21users10:25:190
2685609230,2sleep12685723-21switchtime09:45:181
2654560230,0sleep10-21swapper/108:30:131
26301279930,2cyclictest2644030-21chrt08:00:083
26301279930,2cyclictest2636017-21chrt07:30:023
26301279930,2cyclictest0-21swapper/308:20:103
2628188231,1sleep10-21swapper/107:05:081
2628186231,1sleep00-21swapper/007:05:070
14039830,2rtkit-daemon691-21gmain10:26:272
14039830,2rtkit-daemon2631079-21munin-node12:00:022
14039830,2rtkit-daemon1-21systemd10:14:592
14039830,2rtkit-daemon1-21systemd09:15:202
14039830,2rtkit-daemon1-21systemd09:15:202
14039830,1rtkit-daemon769-21ntpd10:55:262
14039830,1rtkit-daemon769-21ntpd09:50:022
14039830,1rtkit-daemon769-21ntpd07:17:592
14039830,1rtkit-daemon766-21snmpd11:35:102
14039830,1rtkit-daemon766-21snmpd11:34:072
14039830,1rtkit-daemon766-21snmpd11:17:462
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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