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2026-03-14 - 18:43
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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 Sat Mar 14, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
59452192175,12sleep30-21swapper/307:08:223
60372189172,12sleep10-21swapper/107:09:321
59172187170,12sleep00-21swapper/007:07:570
59142169150,14sleep20-21swapper/207:07:562
141972690,0sleep20-21swapper/210:17:312
57292480,0sleep10-21swapper/112:04:201
144332470,0sleep30-21swapper/310:17:413
32222460,0sleep00-21swapper/011:30:310
158742430,0sleep00-21swapper/009:46:520
316952370,0sleep10-21swapper/110:10:151
293412180,1sleep00-21swapper/011:44:020
62509993,3cyclictest1996-21perf11:15:010
62509975,1cyclictest3-21ksoftirqd/010:30:120
62509975,0cyclictest3-21ksoftirqd/009:55:010
62509972,4cyclictest10767-21munin-run09:45:010
62509971,3cyclictest4909-21munin-run12:20:000
62509966,0cyclictest3-21ksoftirqd/012:24:590
62509966,0cyclictest3-21ksoftirqd/010:35:160
62509965,0cyclictest3-21ksoftirqd/012:05:110
62509965,0cyclictest3-21ksoftirqd/010:10:000
62509965,0cyclictest3-21ksoftirqd/009:25:160
62509964,0cyclictest3-21ksoftirqd/010:45:200
62509964,0cyclictest3-21ksoftirqd/009:20:150
62509963,0cyclictest3-21ksoftirqd/011:25:130
62509962,4cyclictest5137-21munin-run10:45:010
62509962,1cyclictest3-21ksoftirqd/012:35:130
62509961,0cyclictest81rcu_preempt09:35:000
62509960,3cyclictest325-21munin-run09:40:000
9655250,0sleep30-21swapper/312:21:403
62639955,0cyclictest8826-21kworker/3:210:58:053
62639955,0cyclictest0-21swapper/311:52:503
62639955,0cyclictest0-21swapper/311:41:203
62639955,0cyclictest0-21swapper/311:20:413
62639955,0cyclictest0-21swapper/311:09:543
62639950,5cyclictest2473-21diskmemload12:07:093
62639950,5cyclictest0-21swapper/311:15:183
62639950,5cyclictest0-21swapper/310:27:343
62639950,5cyclictest0-21swapper/309:23:593
62639950,4cyclictest7088-21apt-get08:15:123
62639950,4cyclictest17034-21apt-get07:30:113
62639950,4cyclictest0-21swapper/308:45:103
62639950,4cyclictest0-21swapper/307:45:113
62599955,0cyclictest0-21swapper/208:30:212
62599955,0cyclictest0-21swapper/208:15:132
62599952,3cyclictest814-21snmpd11:53:472
62599950,5cyclictest0-21swapper/212:16:552
62599950,5cyclictest0-21swapper/211:11:172
62599950,5cyclictest0-21swapper/210:28:052
62599950,5cyclictest0-21swapper/207:25:112
62599950,3cyclictest0-21swapper/210:45:472
62599950,0cyclictest0-21swapper/210:01:102
62549951,3cyclictest0-21swapper/109:30:111
62549951,3cyclictest0-21swapper/107:20:121
62549951,2cyclictest0-21swapper/112:30:111
62549951,2cyclictest0-21swapper/111:35:121
62549951,2cyclictest0-21swapper/111:30:111
62549951,2cyclictest0-21swapper/111:10:111
62549951,2cyclictest0-21swapper/109:15:121
62549951,2cyclictest0-21swapper/109:00:101
62549951,2cyclictest0-21swapper/108:40:121
62549950,5cyclictest0-21swapper/107:10:171
62509955,0cyclictest3-21ksoftirqd/011:00:010
62509955,0cyclictest3-21ksoftirqd/010:15:010
62509955,0cyclictest3-21ksoftirqd/009:05:000
62509954,1cyclictest3-21ksoftirqd/012:34:590
62509954,1cyclictest3-21ksoftirqd/009:15:120
62509954,0cyclictest3-21ksoftirqd/012:25:110
62509954,0cyclictest3-21ksoftirqd/011:05:190
62509953,2cyclictest41ktimersoftd/010:01:010
62509953,1cyclictest3-21ksoftirqd/010:20:130
62509952,3cyclictest3-21ksoftirqd/011:55:090
62509952,2cyclictest3-21ksoftirqd/011:51:110
62509952,1cyclictest3-21ksoftirqd/011:35:130
62509951,2cyclictest3-21ksoftirqd/010:50:130
62509951,1cyclictest3-21ksoftirqd/010:57:520
62509951,0cyclictest81rcu_preempt10:25:130
62509951,0cyclictest81rcu_preempt08:35:120
62509951,0cyclictest81rcu_preempt08:00:180
62509950,5cyclictest27674-21apt-get08:55:010
62509950,5cyclictest0-21swapper/012:01:310
62509950,5cyclictest0-21swapper/011:45:310
62509950,2cyclictest3-21ksoftirqd/007:20:210
62509950,0cyclictest81rcu_preempt11:20:010
62509950,0cyclictest81rcu_preempt10:15:190
62509950,0cyclictest81rcu_preempt09:15:010
62639944,0cyclictest8826-21kworker/3:210:35:433
62639944,0cyclictest8826-21kworker/3:210:24:303
62639944,0cyclictest0-21swapper/312:00:233
62639944,0cyclictest0-21swapper/310:32:573
62639942,2cyclictest0-21swapper/309:57:463
62639942,1cyclictest32449-21ssh11:45:133
62639942,1cyclictest21016-21ssh11:55:163
62639940,4cyclictest7765-21ssh09:11:493
62639940,4cyclictest4234-21df12:35:143
62639940,4cyclictest2473-21diskmemload12:25:073
62639940,4cyclictest19504-21apt-get07:35:133
62639940,4cyclictest0-21swapper/312:13:283
62639940,4cyclictest0-21swapper/311:36:473
62639940,4cyclictest0-21swapper/311:30:093
62639940,4cyclictest0-21swapper/311:25:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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