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2026-03-13 - 09:44
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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 all highest latencies:
System rack7slot2.osadl.org (updated Fri Mar 13, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
285619299142132,7cyclictest2961662-21kworker/u4:0+events_unbound22:40:111
285619199115104,7cyclictest2889747-21kworker/u4:10+events_unbound21:25:010
28561919910587,16cyclictest53-21kswapd000:00:000
2856192999079,7cyclictest53-21kswapd021:35:111
2856192998273,7cyclictest53-21kswapd023:50:001
2856192997749,25cyclictest3025618-21ssh23:45:001
2856192997566,7cyclictest2925881-21kworker/u4:1+events_unbound21:55:391
2856192997531,41cyclictest0-21swapper/123:00:141
285619199744,35cyclictest3071694-21ssh00:35:410
2856192997335,35cyclictest0-21swapper/121:10:261
2856191997264,6cyclictest2857410-21kworker/u4:12+events_unbound19:42:310
2856191997146,22cyclictest53-21kswapd023:10:100
2856192997036,31cyclictest0-21swapper/123:10:311
2856192996936,30cyclictest0-21swapper/100:30:291
2856191996935,30cyclictest0-21swapper/021:55:210
2856192996839,27cyclictest3044300-21fschecks_count00:05:211
2856192996839,27cyclictest2932816-21fschecks_count22:00:191
2856192996832,33cyclictest0-21swapper/100:20:131
2856191996860,6cyclictest53-21kswapd023:10:010
2856191996837,29cyclictest315-21systemd-journal21:37:510
2856191996836,29cyclictest3027230-21unixbench_singl23:45:390
2856191996831,34cyclictest0-21swapper/020:00:290
2856192996742,19cyclictest171rcu_preempt21:40:151
2856191996758,6cyclictest2902867-21kworker/u4:6+events_unbound21:32:500
2856191996729,36cyclictest2964996-21unixbench_multi22:35:390
2856192996658,6cyclictest53-21kswapd022:35:001
2856192996635,28cyclictest2871633-21latency_hist20:10:011
2856191996630,34cyclictest2932654-21cut22:00:150
2856192996562,2cyclictest3010632-21kworker/u4:10+events_unbound23:30:021
2856191996529,33cyclictest2955244-21fschecks_count22:25:200
2856191996527,4cyclictest0-21swapper/020:15:220
2856192996457,5cyclictest2952650-21kworker/u4:14+events_unbound22:22:591
2856192996456,6cyclictest2879221-21kworker/u4:9+events_unbound20:55:021
2856192996435,27cyclictest2896286-21sort21:20:121
2856192996435,26cyclictest2937326-21sh22:05:181
2856192996434,28cyclictest2982844-21sed22:55:431
2856192996434,28cyclictest2982844-21sed22:55:431
2856192996431,30cyclictest0-21swapper/100:25:431
2856192996428,4cyclictest0-21swapper/100:35:351
2856192996426,4cyclictest0-21swapper/100:10:401
2856192996426,4cyclictest0-21swapper/100:10:401
2856191996431,30cyclictest3012922-21fschecks_time23:30:190
2856191996429,4cyclictest0-21swapper/020:30:000
2856191996429,4cyclictest0-21swapper/020:30:000
2856191996425,4cyclictest0-21swapper/000:25:320
2856192996333,28cyclictest1062-21lldpd23:07:291
2856192996326,5cyclictest0-21swapper/119:45:341
2856191996351,9cyclictest53-21kswapd022:20:330
2856191996335,26cyclictest3046379-21kworker/u4:3-rpciod00:15:170
2856191996332,28cyclictest0-21swapper/022:45:380
2856191996329,29cyclictest2875323-21kworker/u4:0-rpciod21:00:110
2856191996325,4cyclictest53-21kswapd022:40:060
2856192996234,26cyclictest2872571-21timerwakeupswit20:10:351
2856192996230,29cyclictest0-21swapper/123:15:261
2856192996228,6cyclictest2950150-21sendmail22:20:001
2856192996228,6cyclictest2950150-21sendmail22:20:001
2856192996228,5cyclictest0-21swapper/121:50:271
2856192996228,5cyclictest0-21swapper/121:50:271
2856191996229,7cyclictest0-21swapper/022:55:210
2856191996229,7cyclictest0-21swapper/022:55:210
2856191996227,4cyclictest0-21swapper/022:50:210
2856191996227,4cyclictest0-21swapper/022:50:210
2856191996227,4cyclictest0-21swapper/021:45:260
2856191996227,4cyclictest0-21swapper/021:45:260
2856191996227,4cyclictest0-21swapper/021:25:290
2856191996226,4cyclictest0-21swapper/023:50:220
2856191996226,4cyclictest0-21swapper/023:20:170
285619299614,21cyclictest2865125-21idleruntime-cro19:45:001
2856192996133,25cyclictest0-21swapper/123:35:421
2856192996129,4cyclictest0-21swapper/122:25:321
2856192996128,4cyclictest0-21swapper/121:30:391
2856192996126,4cyclictest0-21swapper/123:50:281
2856192996126,4cyclictest0-21swapper/121:45:151
2856192996126,4cyclictest0-21swapper/121:45:151
2856191996131,27cyclictest2943578-21kworker/u4:1-rpciod22:30:240
2856191996130,29cyclictest0-21swapper/000:00:390
2856191996129,4cyclictest0-21swapper/023:40:190
2856191996127,5cyclictest0-21swapper/021:10:300
2856191996118,11cyclictest2886683-21sort21:05:370
2856192996051,7cyclictest53-21kswapd021:30:011
2856192996033,25cyclictest0-21swapper/122:50:211
2856192996033,25cyclictest0-21swapper/122:50:211
2856192996031,26cyclictest0-21swapper/123:55:201
2856192996029,28cyclictest2876906-21aten2__20:30:161
2856192996029,28cyclictest0-21swapper/123:30:261
2856192996027,5cyclictest0-21swapper/122:35:241
285619199605,18cyclictest3009047-21ssh23:25:350
2856191996031,26cyclictest0-21swapper/021:40:170
2856191996030,28cyclictest2942793-21ssh22:10:450
2856191996028,5cyclictest3014431-21kworker/u4:13-rpciod23:35:350
2856191996028,5cyclictest2863548-21switchtime19:35:350
2856191996028,4cyclictest3046380-21kworker/u4:5-rpciod00:10:200
2856191996028,4cyclictest3046380-21kworker/u4:5-rpciod00:10:200
2856191996027,7cyclictest2947121-21timerwakeupswit22:15:380
2856191996027,7cyclictest2947121-21timerwakeupswit22:15:370
2856191996027,4cyclictest0-21swapper/019:45:260
2856191996026,6cyclictest0-21swapper/023:03:000
2856191996022,7cyclictest0-21swapper/000:20:220
2856192995933,24cyclictest0-21swapper/100:00:171
2856192995931,5cyclictest3001663-21kworker/u4:5-xprtiod23:20:341
2856192995927,4cyclictest0-21swapper/122:45:291
2856192995926,7cyclictest2885393-21switchtime21:00:371
2856192995925,4cyclictest0-21swapper/121:15:271
2856191995927,5cyclictest2861993-21ntp_kernel_err19:30:250
2856191995926,6cyclictest0-21swapper/020:00:000
2856191995926,4cyclictest0-21swapper/019:15:280
2856191995925,6cyclictest0-21swapper/019:20:360
2856191995916,14cyclictest2999636-21ssh23:15:180
2856192995830,26cyclictest0-21swapper/120:35:211
2856192995722,8cyclictest0-21swapper/119:25:241
2856191995725,6cyclictest0-21swapper/020:30:200
2856191995725,4cyclictest0-21swapper/000:05:300
285619199572,27cyclictest2872788-21idleruntime-cro20:15:010
2856192995626,4cyclictest0-21swapper/119:15:371
2856192995622,8cyclictest0-21swapper/119:50:161
2856191995624,8cyclictest2878133-21/usr/sbin/munin20:35:180
2856191995624,4cyclictest0-21swapper/000:30:220
2856192995524,6cyclictest0-21swapper/119:10:191
2856192995523,6cyclictest0-21swapper/119:20:181
2856191995425,5cyclictest2868907-21kworker/u4:2-rpciod20:52:230
2856191995219,25cyclictest0-21swapper/021:50:320
2856191995219,25cyclictest0-21swapper/021:50:320
2856191995143,5cyclictest2857296-21grep19:10:350
2856192995042,6cyclictest2880443-21grep20:40:391
2856192994933,5cyclictest2877952-21kworker/u4:3-rpciod20:45:161
2856191994839,7cyclictest2870731-21fschecks_time20:05:190
2856192994740,5cyclictest2862563-21grep19:35:001
2856192994737,8cyclictest2886927-21cron21:10:011
2856191994741,4cyclictest2896038-21ssh21:20:010
2856191994740,5cyclictest2941248-21apt-config22:10:010
2856192994635,8cyclictest2873137-21sed20:15:171
2856191994636,6cyclictest0-21swapper/019:50:190
2856191994635,8cyclictest2853684-21kworker/u4:6-rpciod19:27:190
2856192994537,5cyclictest0-21swapper/122:10:341
2856192994536,7cyclictest2869092-21latency_hist20:00:021
2856192994432,5cyclictest2856188-21awk19:10:011
2856191994436,5cyclictest0-21swapper/020:45:000
2856191994434,8cyclictest2881875-21cat20:50:010
2856192994337,4cyclictest2884176-21timerwakeupswit20:55:381
2856192994336,4cyclictest3046377-21kworker/u4:1-rpciod00:15:251
2856192994335,5cyclictest2874442-21sed20:20:181
2856191994330,9cyclictest2875080-21sort20:20:400
2856192994233,7cyclictest0-21swapper/120:25:491
2856192994233,7cyclictest0-21swapper/120:25:491
2856191994222,18cyclictest2883288-21aten2__20:55:160
2856192993934,3cyclictest2867636-21kworker/u4:8+events_unbound20:02:341
2856192993731,4cyclictest0-21swapper/119:40:011
2856191993223,6cyclictest0-21swapper/019:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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