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2026-03-30 - 05:06
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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 Mon Mar 30, 2026 00:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2718123340,1sleep125279-21kworker/u8:123:35:371
2844523270,3sleep20-21swapper/221:15:262
384023230,7sleep1181rcuc/122:45:121
384023230,7sleep1181rcuc/122:45:121
1488423210,2sleep20-21swapper/200:20:102
742723120,12sleep20-21swapper/222:52:092
412123030,1sleep22815-21kworker/u8:922:45:212
412123030,1sleep22815-21kworker/u8:922:45:212
2587823010,2sleep20-21swapper/219:30:332
68022980,2sleep1121rcu_preempt22:37:241
295922980,1sleep10-21swapper/121:30:341
296722950,2sleep22966-21ssh21:30:352
1813022930,1sleep213721-21kworker/u8:820:45:362
2875422920,2sleep10-21swapper/122:27:481
766422890,2sleep20-21swapper/220:15:162
2184522890,1sleep28170-21kworker/u8:322:12:132
2017822880,1sleep218657-21kworker/u8:023:20:312
1281322860,2sleep10-21swapper/121:52:451
686822850,1sleep23568-21kworker/u8:621:40:152
2260022850,1sleep220200-21kworker/u8:2321:00:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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