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2026-03-15 - 15:14
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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 highest latencies:
System rack4slot1.osadl.org (updated Sun Mar 15, 2026 07:36:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2028225630,6sleep173-21kswapd007:11:541
230128090,2sleep012-21ksoftirqd/007:11:580
203221390,2sleep20-21swapper/207:11:562
48302630,3sleep30-21swapper/307:21:293
48302630,3sleep30-21swapper/307:21:293
48302630,3sleep30-21swapper/307:21:293
107722350,3sleep10-21swapper/107:36:341
107722350,3sleep10-21swapper/107:36:341
10952294,18sleep30-21swapper/307:11:413
236799287,6cyclictest131rcu_preempt07:26:571
236799287,6cyclictest131rcu_preempt07:26:571
236899263,13cyclictest3780-21ps07:16:462
236899263,13cyclictest3780-21ps07:16:462
236899263,13cyclictest3780-21ps07:16:462
2368992614,10cyclictest7908-21find07:26:482
2368992614,10cyclictest7908-21find07:26:482
236899249,4cyclictest0-21swapper/207:26:292
2368992412,10cyclictest73-21kswapd007:32:012
2368992412,10cyclictest73-21kswapd007:32:012
236699241,11cyclictest8135-21grep07:26:500
236699241,11cyclictest8135-21grep07:26:500
236699235,14cyclictest9874-21find07:31:490
236699235,14cyclictest9874-21find07:31:490
2367992114,6cyclictest4398-21sshd07:17:481
2367992114,6cyclictest4398-21sshd07:17:481
2367992114,6cyclictest4398-21sshd07:17:481
2367992114,4cyclictest21-21ksoftirqd/107:25:041
236699191,8cyclictest3679-21ntp_kernel_err07:16:430
236699191,8cyclictest3679-21ntp_kernel_err07:16:430
236699191,8cyclictest3679-21ntp_kernel_err07:16:430
2369991813,3cyclictest321rcuc/307:22:593
236699181,13cyclictest695-21runrttasks07:22:280
2369991711,4cyclictest321rcuc/307:30:373
2369991711,4cyclictest321rcuc/307:30:373
236999159,4cyclictest321rcuc/307:32:343
236999159,4cyclictest321rcuc/307:32:343
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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