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2025-11-26 - 10:21
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 20 highest latencies:
System rackbslot2.osadl.org (updated Tue Nov 25, 2025 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41780232235207,18sleep10-21swapper/107:08:261
41780092231201,20sleep20-21swapper/207:08:162
41780102224195,19sleep30-21swapper/307:08:163
41779162217189,18sleep00-21swapper/007:07:000
2256872660,1chrt225592-13chrome11:45:022
4178277996258,3cyclictest67005-21/usr/share/muni08:45:012
4178277996258,3cyclictest67005-21/usr/share/muni08:45:012
4178274995711,10cyclictest225518-21/usr/share/muni11:45:021
4178282995248,3cyclictest112733-21apt-get09:35:133
4178277995045,4cyclictest238817-21/usr/share/muni12:00:152
417827099505,12cyclictest225561-21snmp_wlanpowerc11:45:020
4178282994542,2cyclictest4169469-21kworker/u8:3+flush-179:007:20:003
4178282994542,2cyclictest208134-21kworker/u8:2+flush-179:011:45:163
4178274994543,1cyclictest238188-31munin-html11:55:401
4178270994541,3cyclictest35360-21kworker/u8:3+flush-179:008:10:020
4178277994432,11cyclictest199319-21kworker/2:1+pm11:50:102
4178274994340,2cyclictest143505-21kworker/u8:1+flush-179:010:10:171
4178274994339,3cyclictest126107-21apt-get09:50:151
4178270994338,4cyclictest70801-21kworker/u8:3+events_unbound08:50:120
4178270994338,4cyclictest102168-21/usr/share/muni09:25:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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