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2025-09-17 - 02:17
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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 Sep 16, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3656152240210,20sleep30-21swapper/307:06:253
3656292235179,19sleep00-21swapper/007:06:340
3658912230201,20sleep20-21swapper/207:09:592
3658382223193,19sleep10-21swapper/107:09:171
366033997774,2cyclictest370167-21kworker/u8:4+flush-179:007:50:040
366035995954,2cyclictest604274-21chrome11:45:012
366036995853,3cyclictest582660-21munin-update11:20:273
366033995753,1cyclictest604326-21snmp_wlanswitch11:45:010
366035995550,4cyclictest621896-21/usr/share/muni12:05:162
366036995044,4cyclictest397564-21chrome07:45:023
366036995044,4cyclictest397564-21chrome07:45:023
366033995043,6cyclictest522433-21kworker/u8:4+flush-179:010:10:140
366035994945,3cyclictest648080-21kworker/u8:0+events_unbound12:35:052
366033994844,3cyclictest474308-21kworker/u8:0+flush-179:009:25:060
366033994743,3cyclictest547849-21kworker/u8:3+flush-179:011:00:000
366036994642,3cyclictest571957-21cat11:05:143
366035994643,2cyclictest388434-21kworker/u8:2+flush-179:008:10:152
366035994642,3cyclictest423121-21kworker/u8:3+flush-179:008:20:052
366036994533,1cyclictest505246-21kworker/3:1+pm11:53:553
366035994542,2cyclictest599626-21kworker/u8:3+flush-179:011:50:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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