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2026-03-10 - 18:54
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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 50 highest latencies:
System rack7slot2.osadl.org (updated Tue Mar 10, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31218649910598,5cyclictest3168679-21kworker/u4:9+events_unbound09:28:590
3121864998332,41cyclictest3269490-21sh11:20:210
3121864998029,38cyclictest0-21swapper/009:50:330
3121865997931,45cyclictest0-21swapper/109:50:361
3121864997868,7cyclictest3168679-21kworker/u4:9+events_unbound09:39:000
3121864997835,34cyclictest3152731-21kworker/u4:18-rpciod09:15:130
312186599765,16cyclictest3198770-21ssh10:00:251
3121865997532,40cyclictest0-21swapper/109:10:281
3121865997441,30cyclictest3300792-21/usr/sbin/munin11:55:361
3121865997441,30cyclictest3300792-21/usr/sbin/munin11:55:361
3121864997228,27cyclictest0-21swapper/011:15:300
312186499722,45cyclictest3312603-21apt-get12:10:110
312186499721,46cyclictest3261059-21gcc11:10:240
3121865997164,5cyclictest3258210-21kworker/u4:9+events_unbound11:09:201
312186599715,13cyclictest3194424-21ntp_states09:55:311
3121865997032,34cyclictest3216069-21aten_r7power_cu10:20:141
3121865997032,34cyclictest3216069-21aten_r7power_cu10:20:131
3121865996959,6cyclictest0-21swapper/112:30:121
312186599694,24cyclictest3296038-21perl11:50:261
312186599694,21cyclictest3269850-21ntpq11:20:251
3121865996932,35cyclictest3265746-21mailstats11:15:361
3121865996928,38cyclictest3123777-21kernelversion07:15:231
3121864996935,31cyclictest3129753-21aten_r7power_en07:40:150
3121865996814,11cyclictest3321338-21/usr/sbin/munin12:20:371
312186499683,43cyclictest3221302-21ntpq10:25:310
3121865996732,32cyclictest3220673-21ssh10:25:171
3121865996732,32cyclictest0-21swapper/110:15:331
3121865996730,33cyclictest3122372-21gltestperf07:10:191
312186499674,47cyclictest3202601-21apt-get10:05:120
312186499673,58cyclictest3121861-21cyclictest07:10:010
3121864996732,33cyclictest3166339-21rm09:25:000
3121864996723,27cyclictest0-21swapper/009:45:150
312186499671,43cyclictest3144503-21ntpq08:35:280
312186599666,12cyclictest3286699-21/usr/sbin/munin11:40:371
312186599665,20cyclictest3233874-21/usr/sbin/munin10:40:181
3121865996633,31cyclictest3280467-21kworker/u4:8-rpciod11:35:181
3121865996631,33cyclictest3238787-21fschecks_count10:45:251
3121865996629,34cyclictest0-21swapper/112:25:231
3121865996629,34cyclictest0-21swapper/112:25:221
3121865996628,3cyclictest3184775-21grep09:45:151
3121865996627,9cyclictest3310010-21kworker/u4:12-rpciod12:15:291
3121865996627,4cyclictest0-21swapper/112:10:321
3121864996632,32cyclictest3335599-21timerandwakeup12:35:380
312186599653,28cyclictest3247237-21sh10:55:161
312186599653,28cyclictest3247237-21sh10:55:151
312186599653,18cyclictest3230167-21ntpq10:35:281
3121865996531,31cyclictest0-21swapper/110:10:271
3121865996530,32cyclictest0-21swapper/110:50:181
3121865996528,34cyclictest0-21swapper/110:05:131
3121864996537,22cyclictest3321468-21aten_r7power_en12:20:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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