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2025-12-17 - 14:48
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackfslot4.osadl.org (updated Wed Dec 17, 2025 00:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1301423660,1sleep29218-21kworker/u8:121:35:182
924523580,1sleep25633-21kworker/u8:823:35:162
925123370,4sleep19227-21apt-get23:35:201
2680923350,3sleep10-21swapper/120:55:211
1215423190,2sleep10-21swapper/121:33:281
1306423180,8sleep1121rcu_preempt23:40:431
1302423140,2sleep19215-21kworker/u8:021:35:211
1943323120,2sleep10-21swapper/121:46:021
1943323120,2sleep10-21swapper/121:46:021
3031023110,1sleep228469-21kworker/u8:000:15:252
1125823070,4sleep2251ksoftirqd/220:12:262
2633523060,1sleep118654-21kworker/u8:420:55:011
3089923050,2sleep20-21swapper/219:40:032
1858723050,2sleep10-21swapper/120:31:301
553723020,1sleep13998-21kworker/u8:2000:30:281
2262423020,1sleep121001-21kworker/u8:400:00:251
2262423020,1sleep121001-21kworker/u8:400:00:241
1633423000,6sleep211857-21kworker/2:220:25:362
2278722990,1sleep215867-21kworker/u8:300:00:302
2278722990,1sleep215867-21kworker/u8:300:00:302
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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