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2025-12-29 - 12:22
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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 Mon Dec 29, 2025 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32215972228170,46sleep30-21swapper/319:07:443
32236422224169,43sleep00-21swapper/019:09:180
32215662224168,17sleep20-21swapper/219:07:192
32214692222168,17sleep60-21swapper/619:05:546
32215262217187,19sleep70-21swapper/719:06:447
32236252216182,21sleep10-21swapper/119:09:031
32236772208174,21sleep50-21swapper/519:09:465
32236762206178,18sleep40-21swapper/419:09:454
322394099360,31cyclictest3322265-21apt22:10:027
322394099360,31cyclictest3322265-21apt22:10:027
3223940993330,3cyclictest16450irq/4-ttyS019:50:007
322393199320,31cyclictest0-21swapper/423:38:184
322393199320,28cyclictest0-21swapper/419:58:144
3223940993127,3cyclictest0-21swapper/719:18:157
322394099310,28cyclictest0-21swapper/723:08:197
322393799310,30cyclictest878-21runrttasks21:38:166
322393199310,30cyclictest0-21swapper/400:03:144
322392699310,30cyclictest1-21systemd23:35:022
322392499310,3cyclictest3311231-21turbostat.cron21:50:011
3223920993131,0cyclictest0-21swapper/019:48:030
3223940993026,0cyclictest0-21swapper/721:23:157
322394099300,29cyclictest3303142-21sh21:35:007
3223931993027,2cyclictest3401815-21apt-get00:38:174
3223931993027,2cyclictest3341393-21munin-run22:45:014
322393199300,2cyclictest3278972-21latency_hist20:50:014
322392699300,2cyclictest3382028-40gzip00:00:002
322392699300,2cyclictest3283982-21latency_hist21:00:002
322392499300,2cyclictest3256803-21turbostat.cron20:10:011
3223940992924,1cyclictest3342025-21apt-get22:48:157
322394099290,1cyclictest0-21swapper/720:08:167
3223937992927,1cyclictest3224441-21apt-get19:13:156
3223937992927,1cyclictest0-21swapper/621:50:026
322393799290,28cyclictest3355477-21apt-get23:13:156
322393799290,28cyclictest0-21swapper/623:50:016
322393799290,28cyclictest0-21swapper/622:18:176
322393799290,28cyclictest0-21swapper/622:18:166
322393799290,28cyclictest0-21swapper/621:21:296
322393799290,28cyclictest0-21swapper/619:28:136
322393799290,28cyclictest0-21swapper/600:03:166
322393599290,28cyclictest3270903-21apt-get20:38:135
322393599290,28cyclictest0-21swapper/522:03:145
322393599290,28cyclictest0-21swapper/521:21:295
3223931992927,1cyclictest0-21swapper/420:05:004
3223931992926,3cyclictest0-21swapper/421:53:184
322393199290,28cyclictest0-21swapper/423:33:154
322393199290,28cyclictest0-21swapper/421:38:144
322393199290,28cyclictest0-21swapper/421:13:174
3223929992927,1cyclictest0-21swapper/321:13:183
3223929992927,1cyclictest0-21swapper/319:28:143
3223929992927,1cyclictest0-21swapper/300:33:153
322392999290,28cyclictest0-21swapper/323:28:163
322392999290,28cyclictest0-21swapper/323:25:023
322392999290,28cyclictest0-21swapper/300:23:143
322392999290,1cyclictest3268215-21apt-get20:33:143
3223926992927,1cyclictest3292713-21apt-get21:18:162
3223926992926,2cyclictest3387450-21idleruntime-cro00:10:012
322392699290,28cyclictest0-21swapper/223:21:292
322392699290,28cyclictest0-21swapper/222:08:142
322392699290,28cyclictest0-21swapper/222:08:142
322392699290,28cyclictest0-21swapper/221:23:152
322392699290,28cyclictest0-21swapper/220:25:012
322392699290,28cyclictest0-21swapper/219:30:022
322392699290,28cyclictest0-21swapper/200:28:152
322392699290,1cyclictest3401161-21sh00:35:002
322392699290,1cyclictest3352162-21munin-run23:05:022
3223924992928,1cyclictest3284642-21apt-get21:03:161
322392499290,29cyclictest3246028-21apt19:50:001
3223920992927,1cyclictest3347396-21apt-get22:58:120
3223920992927,1cyclictest3309185-21apt-get21:48:130
3223920992927,1cyclictest3238586-21apt-get19:38:150
3223920992927,1cyclictest0-21swapper/019:30:010
3223920992927,1cyclictest0-21swapper/000:05:020
322392099290,28cyclictest0-21swapper/022:45:020
3223940992828,0cyclictest0-21swapper/719:28:137
3223940992826,1cyclictest3377289-21apt-get23:53:177
322394099280,0cyclictest0-21swapper/723:40:027
3223937992826,1cyclictest0-21swapper/619:38:156
3223935992827,1cyclictest0-21swapper/523:48:155
3223935992827,1cyclictest0-21swapper/522:33:155
3223935992827,1cyclictest0-21swapper/522:25:025
3223935992827,1cyclictest0-21swapper/520:23:175
3223935992826,1cyclictest0-21swapper/523:59:595
322393599280,28cyclictest0-21swapper/523:53:175
322393599280,1cyclictest0-21swapper/519:48:175
3223931992827,1cyclictest3374602-21apt-get23:48:164
3223931992827,1cyclictest0-21swapper/400:08:144
3223931992826,1cyclictest3331252-21apt-get22:28:154
3223931992826,1cyclictest0-21swapper/421:05:014
322393199280,27cyclictest0-21swapper/423:58:174
322393199280,27cyclictest0-21swapper/422:33:164
322393199280,1cyclictest0-21swapper/419:35:004
322393199280,0cyclictest0-21swapper/420:58:144
322393199280,0cyclictest0-21swapper/400:28:164
3223929992828,0cyclictest0-21swapper/322:45:013
3223929992826,1cyclictest0-21swapper/319:50:003
3223926992827,1cyclictest681-21dbus-daemon23:50:012
3223926992827,1cyclictest0-21swapper/220:03:162
3223926992826,1cyclictest3363567-21apt-get23:28:162
322392699280,28cyclictest0-21swapper/200:20:012
3223924992827,1cyclictest0-21swapper/122:13:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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