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2026-03-06 - 23:39
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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 rackeslot8.osadl.org (updated Fri Mar 06, 2026 12:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
724176992219,1cyclictest0-21swapper/309:30:003
72417699220,19cyclictest977222-21turbostat10:25:003
724176992017,1cyclictest0-21swapper/310:45:143
724176992017,1cyclictest0-21swapper/309:40:003
72417699201,5cyclictest764847-21turbostat07:40:013
72417699192,13cyclictest739130-21turbostat07:20:013
72417699191,14cyclictest945762-21taskset10:00:133
724176991815,1cyclictest0-21swapper/311:43:023
724176991815,1cyclictest0-21swapper/311:05:233
724176991815,1cyclictest0-21swapper/309:40:173
72417699181,14cyclictest0-21swapper/309:04:553
72417699181,13cyclictest980775-21taskset10:25:193
72417699181,13cyclictest1119617-21turbostat12:15:013
72417699181,12cyclictest745576-21taskset07:25:003
72417699181,12cyclictest1022349-21taskset11:00:003
72417699181,11cyclictest836247-21taskset08:35:013
72417699180,13cyclictest880832-21taskset09:10:013
72417699172,11cyclictest765382-21taskset07:40:113
724176991714,1cyclictest0-21swapper/309:15:163
724176991714,1cyclictest0-21swapper/308:20:183
72417699171,13cyclictest1101535-21taskset12:00:173
72417699171,12cyclictest964389-21turbostat10:15:003
72417699171,12cyclictest913129-21turbostat09:35:003
72417699171,12cyclictest842717-21taskset08:40:103
72417699171,12cyclictest1151277-21taskset12:35:353
72417699171,12cyclictest1040987-21chrt11:10:513
9378692162,5sleep2937925-21ntp_states09:50:192
724176991613,1cyclictest0-21swapper/312:25:183
724176991613,1cyclictest0-21swapper/310:50:233
724176991613,1cyclictest0-21swapper/309:45:223
724176991613,1cyclictest0-21swapper/308:25:153
724176991613,1cyclictest0-21swapper/307:30:163
72417699161,12cyclictest996218-21chrt10:37:173
72417699161,12cyclictest862092-21taskset08:55:143
72417699161,12cyclictest858741-21taskset08:50:163
72417699161,12cyclictest816275-21taskset08:16:263
72417699161,12cyclictest810020-21taskset08:13:383
72417699161,12cyclictest790896-21taskset07:59:513
72417699161,12cyclictest778057-21chrt07:48:283
72417699161,12cyclictest751743-21taskset07:27:543
72417699161,12cyclictest1144973-21taskset12:32:103
72417699161,12cyclictest1126293-21chrt12:20:113
72417699161,12cyclictest1125071-21chrt12:15:183
72417699161,12cyclictest1093871-21taskset11:53:553
72417699161,12cyclictest1093871-21taskset11:53:543
72417699161,12cyclictest1061143-21taskset11:30:113
72417699161,12cyclictest1054670-21taskset11:25:013
72417699161,12cyclictest1047502-21taskset11:17:163
72417699161,12cyclictest1021927-21chrt10:58:003
72417699161,12cyclictest1002196-21taskset10:40:213
72417699161,11cyclictest970430-21taskset10:15:363
72417699160,13cyclictest1067531-21taskset11:35:073
72417699160,12cyclictest854879-21taskset08:45:323
72417699154,8cyclictest782168-21taskset07:50:173
724176991512,1cyclictest0-21swapper/309:10:163
72417699151,11cyclictest944917-21taskset09:56:283
72417699151,11cyclictest934329-21taskset09:50:163
72417699151,11cyclictest899956-21taskset09:20:303
72417699151,11cyclictest835771-21sleep08:35:003
72417699151,11cyclictest796985-21taskset08:00:363
72417699151,11cyclictest730244-21taskset07:11:093
72417699151,11cyclictest1107084-21taskset12:05:083
72417699151,11cyclictest1094620-21taskset11:55:153
72417699151,11cyclictest1053814-21chrt11:20:333
72417699150,12cyclictest989654-21taskset10:30:313
72417699145,7cyclictest1087199-21taskset11:45:253
724176991411,1cyclictest0-21swapper/310:05:123
72417699140,12cyclictest803393-21chrt08:05:403
307598130,9rtkit-daemon1070635-21ps11:35:161
307598130,4rtkit-daemon738733-21users07:15:242
8210862121,7sleep2821970-21sed08:20:182
724176991210,1cyclictest0-21swapper/307:10:003
9194942111,7sleep1919506-21latency_hist09:40:001
8266662111,7sleep0828319-21/usr/sbin/munin08:25:180
307598110,7rtkit-daemon971055-21/usr/sbin/munin10:20:211
307598110,7rtkit-daemon758133-21runrttasks07:33:022
307598110,7rtkit-daemon728-21runrttasks12:11:151
307598110,7rtkit-daemon299-21systemd-journal11:19:411
307598110,6rtkit-daemon828991-21users08:25:232
10019362110,1sleep01002007-21ntp_states10:40:200
9714512100,7sleep0971883-21irqcore10:20:150
8622772100,6sleep0862987-21irqrtprio08:55:150
8495442100,7sleep0850484-21irqstats08:45:170
7926202101,6sleep1794404-21kthreadcore08:00:191
7778212100,6sleep072-21kcompactd007:45:260
7471972100,7sleep2748909-21kthreadcore07:25:172
307598100,6rtkit-daemon714-21snmpd11:10:021
307598100,6rtkit-daemon493-21gmain11:29:011
307598100,6rtkit-daemon3256-21sendmail-mta09:20:301
307598100,6rtkit-daemon3256-21sendmail-mta08:47:502
307598100,5rtkit-daemon717973-21apt-get07:05:192
307598100,4rtkit-daemon1-21systemd07:43:112
307598100,3rtkit-daemon714-21snmpd11:42:251
307598100,2rtkit-daemon217-21plymouthd10:07:061
307598100,2rtkit-daemon217-21plymouthd07:35:172
11195972100,7sleep01119786-21latency_hist12:15:000
838796290,1sleep2840829-21grep08:35:182
819077290,6sleep1821082-21kthreadcore08:20:171
816424290,1sleep20-21swapper/208:18:182
772034291,4sleep2772067-21apt-get07:45:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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