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2026-08-13 - 19:37
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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 the 100 highest latencies:
System rack7slot2.osadl.org (updated Thu Aug 13, 2026 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3075970999285,5cyclictest3136670-21kworker/u4:10+events_unbound09:50:380
3075970998645,10cyclictest53-21kswapd010:20:060
3075970997839,8cyclictest3192978-21/usr/sbin/munin10:45:210
3075972997769,5cyclictest3145102-21kworker/u4:2+events_unbound09:59:591
3075970997562,8cyclictest3223683-21apt-get11:20:120
3075970997562,8cyclictest3223683-21apt-get11:20:110
3075972997128,40cyclictest0-21swapper/109:10:291
3075972997128,40cyclictest0-21swapper/109:10:291
3075972997033,34cyclictest0-21swapper/110:25:241
3075970997055,8cyclictest3189950-21kworker/u4:11-xprtiod10:41:420
3075970997044,22cyclictest53-21kswapd012:20:140
3075972996964,3cyclictest3199007-21kworker/u4:1+events_unbound10:55:501
3075972996932,35cyclictest0-21swapper/111:20:321
3075972996932,35cyclictest0-21swapper/111:20:321
3075972996929,38cyclictest0-21swapper/110:10:151
3075972996863,3cyclictest3252792-21kworker/u4:9+events_unbound12:16:031
307597099687,18cyclictest3075971-21idleruntime-cro07:10:010
3075970996849,11cyclictest3095304-21kworker/u4:608:24:590
3075972996756,8cyclictest3083591-21kworker/u4:13+events_unbound08:20:231
3075970996756,8cyclictest3289453-21sh12:33:420
3075972996536,26cyclictest3245660-21cron11:44:591
3075972996532,30cyclictest0-21swapper/112:30:281
3075972996530,31cyclictest0-21swapper/111:45:251
3075972996429,33cyclictest0-21swapper/112:20:421
3075972996426,34cyclictest0-21swapper/109:50:201
3075970996455,6cyclictest3248246-21kworker/u4:4+events_unbound12:01:020
3075972996337,23cyclictest3232385-21latency_hist11:30:001
3075972996331,29cyclictest0-21swapper/108:00:391
3075972996326,34cyclictest0-21swapper/109:45:311
3075972996228,31cyclictest0-21swapper/108:05:021
307597299616,50cyclictest3116239-21ssh09:20:131
3075972996150,8cyclictest3081046-21kworker/u4:0+events_unbound07:50:151
3075972996139,19cyclictest3106887-21grep09:10:061
3075972996136,23cyclictest3075968-21cyclictest10:15:231
3075972996130,28cyclictest0-21swapper/110:00:261
3075972996128,30cyclictest0-21swapper/110:45:261
3075972996127,32cyclictest3103887-21mailstats08:55:351
3075972996124,33cyclictest0-21swapper/112:27:481
3075972996122,35cyclictest0-21swapper/110:05:361
307597299612,11cyclictest3251230-21ssh11:50:311
307597299603,16cyclictest3188269-21ssh10:40:191
3075972996029,28cyclictest0-21swapper/110:30:211
3075972996028,29cyclictest0-21swapper/111:05:351
3075970996054,4cyclictest3274338-21sshd12:16:020
307597299593,17cyclictest3220144-21ps11:15:361
3075972995929,27cyclictest3081047-21kworker/u4:1+rpciod08:25:171
3075972995927,28cyclictest0-21swapper/107:35:271
3075972995926,31cyclictest0-21swapper/111:00:451
3075972995926,30cyclictest0-21swapper/110:39:131
3075972995926,30cyclictest0-21swapper/110:39:121
3075972995923,33cyclictest0-21swapper/110:50:161
3075970995940,10cyclictest3090099-21kworker/u4:408:05:010
3075972995829,27cyclictest3075968-21cyclictest12:10:171
3075972995828,26cyclictest0-21swapper/110:20:251
3075972995826,30cyclictest0-21swapper/111:35:001
3075972995825,30cyclictest0-21swapper/108:35:151
3075972995824,31cyclictest0-21swapper/111:10:161
3075972995824,31cyclictest0-21swapper/111:10:161
3075972995823,32cyclictest0-21swapper/112:35:261
3075972995823,31cyclictest0-21swapper/107:30:021
3075972995819,36cyclictest0-21swapper/112:00:161
3075972995818,5cyclictest3130637-21ssh09:35:341
3075972995813,8cyclictest0-21swapper/109:15:121
3075970995851,5cyclictest3252791-21kworker/u4:8+events_unbound11:56:010
3075970995850,6cyclictest3122950-21kworker/u4:1+events_unbound10:05:020
3075970995849,7cyclictest3090081-21kworker/u4:2+events_unbound08:35:280
3075972995752,3cyclictest3081052-21kworker/u4:9+events_unbound07:40:131
3075972995726,29cyclictest0-21swapper/107:45:181
3075972995726,28cyclictest0-21swapper/109:25:351
3075972995724,30cyclictest0-21swapper/111:55:251
3075972995719,35cyclictest0-21swapper/112:05:311
307597299564,12cyclictest3079267-21ntpq07:20:261
307597299554,17cyclictest3237752-21ssh11:35:251
3075972995524,28cyclictest0-21swapper/108:50:331
3075972995523,29cyclictest3081387-21aten_r7power_vo07:30:171
3075972995522,30cyclictest0-21swapper/109:40:191
3075972995515,5cyclictest3094174-21sort08:20:011
3075970995531,21cyclictest3127570-21kworker/u4:6+events_unbound09:35:370
307597299548,13cyclictest3126104-21ntp_states09:30:331
3075972995423,28cyclictest0-21swapper/108:45:281
3075972995415,4cyclictest3104710-21fschecks_count09:00:191
3075970995444,8cyclictest3175704-21timerandwakeup10:25:390
3075970995432,19cyclictest3108417-21unixbench_singl09:10:400
3075970995432,19cyclictest3108417-21unixbench_singl09:10:400
3075972995325,25cyclictest0-21swapper/108:40:351
3075972995322,28cyclictest3097118-21gltestperf08:30:201
3075972995322,28cyclictest0-21swapper/107:55:021
3075972995320,30cyclictest3076178-21aten_r7power_cu07:10:151
3075970995347,3cyclictest0-21swapper/011:05:360
3075970995344,6cyclictest3136001-21kworker/u4:7+events_unbound09:45:370
3075970995246,4cyclictest3215899-21timerandwakeup11:10:400
3075970995246,4cyclictest3215899-21timerandwakeup11:10:390
3075970995245,5cyclictest3106799-21diskmemload11:50:340
3075970995244,6cyclictest3217171-21kworker/u4:11+events_unbound11:32:470
3075970995243,6cyclictest3220442-21unixbench_multi11:15:400
3075970995238,10cyclictest37-21kcompactd010:35:270
3075970995238,10cyclictest37-21kcompactd010:35:260
3075970995229,20cyclictest0-21swapper/012:25:260
3075972995115,7cyclictest3083591-21kworker/u4:13+rpciod08:10:231
3075972995115,7cyclictest3083591-21kworker/u4:13+rpciod08:10:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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