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2026-06-09 - 19:19
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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
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Tue Jun 09, 2026 13:02:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3098399213195,9cyclictest0-21swapper/2709:37:1820
3098399213195,9cyclictest0-21swapper/2709:37:1820
3098399201185,14cyclictest0-21swapper/2709:20:1320
3098399201185,14cyclictest0-21swapper/2709:20:1320
3098399198191,5cyclictest0-21swapper/2710:37:3120
3098399198191,5cyclictest0-21swapper/2710:37:3120
3098399198191,5cyclictest0-21swapper/2710:37:3120
3095199197159,28cyclictest0-21swapper/011:27:090
3095199197159,28cyclictest0-21swapper/011:27:090
3095199197159,28cyclictest0-21swapper/011:27:090
3095899196179,7cyclictest0-21swapper/612:23:5736
3095899196179,7cyclictest0-21swapper/612:23:5736
3095899196179,7cyclictest0-21swapper/612:23:5736
3098399195165,17cyclictest37257-21qemu-system-x8612:15:4020
3098399195165,17cyclictest37257-21qemu-system-x8612:15:4020
3098399191182,7cyclictest0-21swapper/2710:10:1220
3098399191182,7cyclictest0-21swapper/2710:10:1220
3098399191182,7cyclictest0-21swapper/2710:10:1220
3096099191177,10cyclictest0-21swapper/811:28:1338
3096099191177,10cyclictest0-21swapper/811:28:1338
3096099191177,10cyclictest0-21swapper/811:28:1338
3098399188173,7cyclictest0-21swapper/2711:46:2820
3098399188173,7cyclictest0-21swapper/2711:46:2720
3095699188182,4cyclictest0-21swapper/508:30:4835
3096499187156,13cyclictest171rcu_preempt10:38:123
3096499187156,13cyclictest171rcu_preempt10:38:123
3096499187156,13cyclictest171rcu_preempt10:38:123
3096599186150,26cyclictest0-21swapper/1209:00:424
3096599186150,26cyclictest0-21swapper/1209:00:424
3095899186167,10cyclictest0-21swapper/612:26:3136
3095899186167,10cyclictest0-21swapper/612:26:3136
3098399185176,4cyclictest0-21swapper/2710:51:5820
3098399185176,4cyclictest0-21swapper/2710:51:5820
3096199185143,31cyclictest3609-21CPU39
3096199185143,31cyclictest3609-21CPU39
3098399184161,14cyclictest0-21swapper/2712:20:1320
3098399184161,14cyclictest0-21swapper/2712:20:1320
3098399184161,14cyclictest0-21swapper/2712:20:1320
3098199184169,10cyclictest0-21swapper/2510:32:1518
3098199184169,10cyclictest0-21swapper/2510:32:1518
3095899184178,4cyclictest0-21swapper/609:12:1236
3095899184178,4cyclictest0-21swapper/609:12:1236
3098399183177,4cyclictest0-21swapper/2711:28:5120
3098399183177,4cyclictest0-21swapper/2711:28:5120
3098399183177,4cyclictest0-21swapper/2711:28:5020
3096599183152,28cyclictest0-21swapper/1212:20:044
3096599183152,28cyclictest0-21swapper/1212:20:034
3099599182169,11cyclictest0-21swapper/3711:03:5631
3099599182169,11cyclictest0-21swapper/3711:03:5531
3098199182179,2cyclictest0-21swapper/2511:44:5518
3098199182179,2cyclictest0-21swapper/2511:44:5518
30965991821,178cyclictest0-21swapper/1211:35:194
30965991821,178cyclictest0-21swapper/1211:35:194
30965991821,170cyclictest0-21swapper/1209:25:294
30965991821,170cyclictest0-21swapper/1209:25:294
3095699182178,2cyclictest0-21swapper/512:33:0335
3095699182178,2cyclictest0-21swapper/512:33:0335
3095699181173,6cyclictest0-21swapper/508:25:1035
3095699181173,6cyclictest0-21swapper/508:25:1035
3098199180172,5cyclictest0-21swapper/2512:07:1818
3098199180172,5cyclictest0-21swapper/2512:07:1818
3098199180172,5cyclictest0-21swapper/2512:07:1818
3097999180138,30cyclictest0-21swapper/2310:34:1116
3097999180138,30cyclictest0-21swapper/2310:34:1116
3095899180157,21cyclictest0-21swapper/612:09:4336
3095899180157,21cyclictest0-21swapper/612:09:4336
3095899180157,21cyclictest0-21swapper/612:09:4336
3098399179174,3cyclictest0-21swapper/2709:00:1920
3098399179174,3cyclictest0-21swapper/2709:00:1920
3098399179170,5cyclictest3548-21CPU20
3098399179170,5cyclictest3548-21CPU20
3096099179166,11cyclictest0-21swapper/811:50:3138
3096099179166,11cyclictest0-21swapper/811:50:3038
3098399177169,6cyclictest0-21swapper/2711:42:4620
3098399177169,6cyclictest0-21swapper/2711:42:4620
3095899177129,26cyclictest0-21swapper/609:48:0936
3095899177129,26cyclictest0-21swapper/609:48:0936
3095699177162,13cyclictest0-21swapper/509:36:1435
3095699177162,13cyclictest0-21swapper/509:36:1435
3098399176171,4cyclictest0-21swapper/2710:17:1920
3098399176171,4cyclictest0-21swapper/2710:17:1920
3098399176171,4cyclictest0-21swapper/2710:17:1820
3098399176164,7cyclictest0-21swapper/2709:14:2720
3098399176164,7cyclictest0-21swapper/2709:14:2720
3096199176156,8cyclictest0-21swapper/910:35:4339
3096199176156,8cyclictest0-21swapper/910:35:4339
3096199176156,8cyclictest0-21swapper/910:35:4339
3098199175136,29cyclictest0-21swapper/2510:54:3518
3098199175136,29cyclictest0-21swapper/2510:54:3518
3096099175166,7cyclictest0-21swapper/808:01:0338
3096099175166,7cyclictest0-21swapper/808:01:0338
3095899175161,12cyclictest0-21swapper/610:19:5636
3095899175161,12cyclictest0-21swapper/610:19:5636
3095899175161,12cyclictest0-21swapper/610:19:5636
3095699175159,2cyclictest0-21swapper/512:18:1935
3095699175159,2cyclictest0-21swapper/512:18:1935
3098599174170,2cyclictest0-21swapper/2907:10:0622
3098599174170,2cyclictest0-21swapper/2907:10:0622
3098599174170,2cyclictest0-21swapper/2907:10:0622
3098399174169,3cyclictest0-21swapper/2709:55:2120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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