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2026-09-17 - 04:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 100 highest latencies:
System rack5slot2.osadl.org (updated Thu Sep 17, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
225772195178,12sleep30-21swapper/319:07:093
227602194179,11sleep10-21swapper/119:09:311
225742187171,11sleep00-21swapper/019:07:060
225462167148,14sleep20-21swapper/219:06:442
230082480,0sleep10-21swapper/122:50:101
125202470,0sleep00-21swapper/023:34:040
247712460,0sleep10-21swapper/121:12:421
300852450,0sleep20-21swapper/222:04:512
146292450,0sleep30-21swapper/322:29:383
10622430,0sleep20-21swapper/223:28:022
2297599114,1cyclictest3-21ksoftirqd/022:20:000
229759992,3cyclictest8555-21perf19:45:000
229759986,0cyclictest3-21ksoftirqd/020:50:000
229759983,3cyclictest3-21ksoftirqd/019:10:180
229759982,1cyclictest3-21ksoftirqd/021:45:000
229759981,2cyclictest0-21swapper/019:15:120
229759981,1cyclictest3-21ksoftirqd/022:50:110
229759980,4cyclictest10492-21idleruntime-cro21:55:000
229759980,1cyclictest3-21ksoftirqd/000:00:000
229759975,0cyclictest3-21ksoftirqd/023:35:130
229759975,0cyclictest3-21ksoftirqd/022:40:120
229759975,0cyclictest3-21ksoftirqd/022:35:000
229759975,0cyclictest3-21ksoftirqd/022:10:120
229759975,0cyclictest3-21ksoftirqd/022:05:000
229759973,2cyclictest3-21ksoftirqd/020:50:130
229759972,2cyclictest3-21ksoftirqd/023:20:100
229759972,1cyclictest81rcu_preempt00:20:110
229759970,4cyclictest4198-21munin-run23:30:010
229759970,1cyclictest3-21ksoftirqd/023:00:120
17848270,0sleep30-21swapper/322:30:223
229859962,4cyclictest0-21swapper/322:37:423
229859962,4cyclictest0-21swapper/321:52:533
229859960,6cyclictest0-21swapper/323:45:453
229859960,6cyclictest0-21swapper/323:26:573
229859960,6cyclictest0-21swapper/323:21:213
229859960,6cyclictest0-21swapper/323:16:133
229859960,6cyclictest0-21swapper/321:55:293
229859960,6cyclictest0-21swapper/321:47:503
229859960,6cyclictest0-21swapper/300:20:263
229859960,6cyclictest0-21swapper/300:19:333
229859960,6cyclictest0-21swapper/300:13:133
229859960,1cyclictest8527-21ssh23:31:303
229809965,1cyclictest31-21ksoftirqd/221:50:122
229759965,0cyclictest3-21ksoftirqd/023:45:140
229759965,0cyclictest3-21ksoftirqd/021:40:000
229759965,0cyclictest3-21ksoftirqd/021:15:200
229759964,0cyclictest3-21ksoftirqd/023:40:130
229759964,0cyclictest3-21ksoftirqd/023:40:130
229759964,0cyclictest3-21ksoftirqd/023:10:130
229759964,0cyclictest3-21ksoftirqd/023:05:170
229759964,0cyclictest3-21ksoftirqd/022:55:150
229759964,0cyclictest3-21ksoftirqd/022:05:180
229759964,0cyclictest3-21ksoftirqd/021:30:140
229759964,0cyclictest3-21ksoftirqd/020:10:000
229759964,0cyclictest3-21ksoftirqd/000:35:170
229759964,0cyclictest3-21ksoftirqd/000:05:160
229759963,1cyclictest3-21ksoftirqd/021:25:170
229759962,1cyclictest3-21ksoftirqd/020:20:210
229759962,0cyclictest81rcu_preempt21:00:150
229759961,0cyclictest81rcu_preempt00:00:150
229759960,0cyclictest81rcu_preempt22:35:180
229859952,3cyclictest0-21swapper/323:44:213
229859952,3cyclictest0-21swapper/323:44:213
229859952,3cyclictest0-21swapper/323:35:293
229859952,3cyclictest0-21swapper/322:45:053
229859952,3cyclictest0-21swapper/322:40:493
229859952,3cyclictest0-21swapper/322:15:413
229859952,3cyclictest0-21swapper/322:05:013
229859952,3cyclictest0-21swapper/322:00:053
229859952,3cyclictest0-21swapper/321:36:133
229859952,3cyclictest0-21swapper/321:30:053
229859952,3cyclictest0-21swapper/321:25:293
229859952,3cyclictest0-21swapper/321:20:103
229859952,3cyclictest0-21swapper/300:02:053
229859950,5cyclictest13615-21ssh21:40:093
229859950,5cyclictest0-21swapper/323:55:453
229859950,5cyclictest0-21swapper/323:50:223
229859950,5cyclictest0-21swapper/323:10:013
229859950,5cyclictest0-21swapper/323:05:063
229859950,5cyclictest0-21swapper/323:01:053
229859950,5cyclictest0-21swapper/322:55:053
229859950,5cyclictest0-21swapper/322:50:013
229859950,5cyclictest0-21swapper/322:20:173
229859950,5cyclictest0-21swapper/322:11:303
229859950,5cyclictest0-21swapper/321:15:293
229859950,5cyclictest0-21swapper/321:13:053
229859950,5cyclictest0-21swapper/300:35:043
229859950,5cyclictest0-21swapper/300:30:563
229859950,5cyclictest0-21swapper/300:25:323
229859950,5cyclictest0-21swapper/300:05:093
229859950,4cyclictest0-21swapper/319:35:113
229809955,0cyclictest0-21swapper/223:52:412
229809953,2cyclictest4901-21kworker/2:021:20:332
229809951,1cyclictest81rcu_preempt22:40:102
229809950,5cyclictest0-21swapper/200:35:102
229809950,4cyclictest0-21swapper/221:45:102
229809950,0cyclictest81rcu_preempt23:45:012
229809950,0cyclictest81rcu_preempt23:45:002
229809950,0cyclictest0-21swapper/223:48:362
229809950,0cyclictest0-21swapper/223:35:322
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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