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2026-04-04 - 07:23
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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 376 highest latencies:
System rack4slot1.osadl.org (updated Fri Apr 03, 2026 20:01:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1294526190,1sleep121-21ksoftirqd/119:12:201
1316126010,1sleep227-21ksoftirqd/219:12:212
2936221410,1sleep227-21ksoftirqd/219:17:082
2936221410,1sleep227-21ksoftirqd/219:17:082
2936221410,1sleep227-21ksoftirqd/219:17:082
2936221410,1sleep227-21ksoftirqd/219:17:082
282121320,3sleep30-21swapper/319:24:023
282121320,3sleep30-21swapper/319:24:023
727421280,2sleep3321rcuc/319:30:433
727421280,2sleep3321rcuc/319:30:433
2889121210,2sleep30-21swapper/319:13:593
951621200,3sleep00-21swapper/019:52:560
2045021190,2sleep30-21swapper/319:38:173
2045021190,2sleep30-21swapper/319:38:173
2045021190,2sleep30-21swapper/319:38:173
2436721100,1sleep2261rcuc/219:29:132
2436721100,1sleep2261rcuc/219:29:132
178221070,3sleep00-21swapper/019:49:060
178221070,3sleep00-21swapper/019:49:060
322221000,4chrt0-21swapper/019:27:100
322221000,4chrt0-21swapper/019:27:100
323442990,3chrt0-21swapper/219:52:012
214472990,3sleep021449-21ts2lt19:57:160
214472990,3sleep021449-21ts2lt19:57:160
214472990,3sleep021449-21ts2lt19:57:160
215212950,6chrt0-21swapper/319:32:043
215212950,6chrt0-21swapper/319:32:043
15262910,2sleep333-21ksoftirqd/319:52:113
148612890,6sleep00-21swapper/019:12:350
176182880,3sleep20-21swapper/219:50:362
176182880,3sleep20-21swapper/219:50:362
61392870,3sleep20-21swapper/219:24:222
61392870,3sleep20-21swapper/219:24:222
89842860,3sleep30-21swapper/319:43:293
89842860,3sleep30-21swapper/319:43:293
289182860,2sleep30-21swapper/319:57:593
289182860,2sleep30-21swapper/319:57:593
289182860,2sleep30-21swapper/319:57:593
250712860,3sleep20-21swapper/219:38:442
250712860,3sleep20-21swapper/219:38:442
250712860,3sleep20-21swapper/219:38:442
207912860,3chrt0-21swapper/019:35:110
207912860,3chrt0-21swapper/019:35:110
306962840,5sleep3321rcuc/319:48:443
306962840,5sleep3321rcuc/319:48:443
163622840,2sleep2131rcu_preempt19:34:452
163622840,2sleep2131rcu_preempt19:34:452
277062790,2sleep127869-21graphlatencyplo19:51:371
277062790,2sleep127869-21graphlatencyplo19:51:371
112402740,4sleep00-21swapper/019:43:420
112402740,4sleep00-21swapper/019:43:420
91302680,3sleep10-21swapper/119:18:201
91302680,3sleep10-21swapper/119:18:201
91302680,3sleep10-21swapper/119:18:201
91302680,3sleep10-21swapper/119:18:201
123142660,1chrt12-21ksoftirqd/019:18:400
123142660,1chrt12-21ksoftirqd/019:18:400
123142660,1chrt12-21ksoftirqd/019:18:400
123142660,1chrt12-21ksoftirqd/019:18:400
99782650,4sleep29979-21graphlatencyplo19:46:462
99782650,4sleep29979-21graphlatencyplo19:46:462
313972640,2sleep231561-21graphlatencyplo20:01:262
313972640,2sleep231561-21graphlatencyplo20:01:262
313972640,2sleep231561-21graphlatencyplo20:01:262
210972640,2sleep021094-21graphlatencyplo19:41:320
210972640,2sleep021094-21graphlatencyplo19:41:320
210972640,2sleep021094-21graphlatencyplo19:41:320
280792610,2sleep128248-21graphlatencyplo19:23:211
280792610,2sleep128248-21graphlatencyplo19:23:211
297392520,5sleep129736-21graphlatencyplo19:45:321
297392520,5sleep129736-21graphlatencyplo19:45:321
57802500,5chrt0-21swapper/319:21:123
57802500,5chrt0-21swapper/319:21:123
57802500,5chrt0-21swapper/319:21:123
57802500,5chrt0-21swapper/319:21:123
160552500,1chrt12-21ksoftirqd/019:22:100
160552500,1chrt12-21ksoftirqd/019:22:100
75082480,3sleep10-21swapper/119:40:121
75082480,3sleep10-21swapper/119:40:121
75082480,3sleep10-21swapper/119:40:121
38942480,4sleep10-21swapper/119:33:311
38942480,4sleep10-21swapper/119:33:311
55402440,3sleep15538-21graphlatencyplo19:30:331
55402440,3sleep15538-21graphlatencyplo19:30:331
88462390,3chrt8844-21graphlatencyplo19:56:031
16617993522,9cyclictest25044-21graphlatencyplo20:00:471
16617993522,9cyclictest25044-21graphlatencyplo20:00:471
16617993522,9cyclictest25044-21graphlatencyplo20:00:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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