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2026-01-01 - 09:26
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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 rack8slot4.osadl.org (updated Thu Jan 01, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11393482228171,19sleep30-21swapper/319:05:343
11393772219168,40sleep50-21swapper/519:06:005
11394622218189,18sleep70-21swapper/719:07:167
11415182217188,18sleep20-21swapper/219:08:552
11393692215187,18sleep60-21swapper/619:05:546
11393762211184,17sleep40-21swapper/419:05:594
11393162210180,19sleep00-21swapper/019:05:080
11395042206179,17sleep10-21swapper/119:07:501
1141822993611,24cyclictest0-21swapper/020:46:410
114182599330,1cyclictest0-21swapper/120:48:151
114184299310,30cyclictest1256065-21cron22:40:027
1141840993127,3cyclictest1280611-21awk23:25:026
114184099310,30cyclictest1218146-21idleruntime-cro21:30:006
114183699310,30cyclictest0-21swapper/521:05:015
114183199310,29cyclictest1251328-21apt-get22:33:133
114182999310,29cyclictest1248641-21apt-get22:28:152
114184299301,1cyclictest16450irq/4-ttyS021:30:017
114184299300,29cyclictest0-21swapper/722:53:157
114184099300,29cyclictest1275182-21idleruntime-cro23:15:016
1141834993028,1cyclictest1267759-21apt-get23:03:134
114183499300,2cyclictest1275177-21sh23:15:024
1141831993028,1cyclictest1191559-21apt-get20:43:173
1141831993027,2cyclictest369-21systemd-journal00:05:013
114182999300,29cyclictest1310984-21sh00:25:002
114182999300,29cyclictest1220804-21debian-sa121:35:012
1141825993028,1cyclictest0-21swapper/120:05:011
1141822993028,1cyclictest1196943-21apt-get20:53:150
114182299300,29cyclictest1153146-21cron19:30:000
114182299300,29cyclictest0-21swapper/021:50:010
114184299290,28cyclictest0-21swapper/721:15:027
114184299290,28cyclictest0-21swapper/720:03:157
114184299290,28cyclictest0-21swapper/700:35:007
114184299290,28cyclictest0-21swapper/700:03:127
1141840992928,1cyclictest0-21swapper/600:08:156
1141840992927,1cyclictest0-21swapper/623:30:026
114184099290,28cyclictest0-21swapper/623:58:166
114184099290,28cyclictest0-21swapper/619:43:166
114184099290,1cyclictest1224147-21apt-get21:43:156
114183699290,28cyclictest1175386-21apt-get20:13:135
114183699290,28cyclictest0-21swapper/500:08:155
114183699290,1cyclictest1272529-21awk23:10:025
114183699290,1cyclictest1248035-21awk22:25:025
1141834992927,1cyclictest0-21swapper/419:15:014
1141834992926,2cyclictest1288642-21sh23:40:024
114183499290,28cyclictest1232208-21apt-get21:58:114
114183499290,28cyclictest0-21swapper/400:08:154
1141831992927,1cyclictest1183476-21apt-get20:28:143
114183199290,28cyclictest0-21swapper/323:38:163
114183199290,28cyclictest0-21swapper/322:53:163
114183199290,28cyclictest0-21swapper/319:33:143
1141829992928,1cyclictest0-21swapper/221:10:012
1141829992928,1cyclictest0-21swapper/220:38:142
1141829992928,1cyclictest0-21swapper/219:48:182
1141829992927,1cyclictest0-21swapper/221:23:162
114182999290,28cyclictest1311628-21apt-get00:28:132
114182999290,28cyclictest1178082-21apt-get20:18:172
114182999290,28cyclictest0-21swapper/221:38:162
114182999290,28cyclictest0-21swapper/220:28:132
114182999290,28cyclictest0-21swapper/219:28:162
114182999290,28cyclictest0-21swapper/219:23:132
114182999290,1cyclictest0-21swapper/223:18:302
114182999290,1cyclictest0-21swapper/222:23:142
1141825992927,1cyclictest0-21swapper/123:35:011
114182599290,28cyclictest1156487-21apt-get19:38:141
114182599290,28cyclictest0-21swapper/123:43:131
114182599290,28cyclictest0-21swapper/120:43:161
114182599290,28cyclictest0-21swapper/119:28:161
114182599290,1cyclictest0-21swapper/120:13:131
1141822992927,1cyclictest681-21dbus-daemon19:40:010
1141822992927,1cyclictest0-21swapper/021:58:120
1141822992926,2cyclictest0-21swapper/019:50:000
114182299290,28cyclictest1262104-21apt-get22:53:140
114182299290,28cyclictest0-21swapper/021:03:140
114182299290,28cyclictest0-21swapper/020:43:160
1141842992826,1cyclictest0-21swapper/723:43:127
114184299280,28cyclictest0-21swapper/719:18:147
114184299280,0cyclictest0-21swapper/723:38:157
114184299280,0cyclictest0-21swapper/719:58:137
1141840992828,0cyclictest0-21swapper/621:58:126
1141840992824,3cyclictest1288643-21cron23:40:016
114184099280,27cyclictest0-21swapper/623:08:156
1141836992827,1cyclictest1151111-21apt-get19:28:155
1141836992826,1cyclictest1218111-21idleruntime-cro21:30:015
114183699280,27cyclictest0-21swapper/519:58:125
114183699280,0cyclictest0-21swapper/519:15:025
1141834992827,1cyclictest0-21swapper/420:45:004
1141834992827,1cyclictest0-21swapper/419:20:024
1141834992827,1cyclictest0-21swapper/400:05:014
1141834992826,1cyclictest0-21swapper/421:08:154
114183499280,27cyclictest0-21swapper/423:25:014
1141831992828,0cyclictest0-21swapper/320:13:143
1141831992826,1cyclictest1236972-21dump-pmu-power22:05:023
1141831992826,1cyclictest1236972-21dump-pmu-power22:05:013
114183199280,0cyclictest0-21swapper/321:28:173
114183199280,0cyclictest0-21swapper/320:48:143
114182999283,25cyclictest0-21swapper/220:46:402
1141829992828,0cyclictest0-21swapper/222:35:022
1141829992827,0cyclictest0-21swapper/221:03:152
114182999280,27cyclictest0-21swapper/223:13:202
114182999280,0cyclictest0-21swapper/222:45:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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