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2025-12-05 - 21:28
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackeslot4.osadl.org (updated Fri Dec 05, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
254235599310,28cyclictest2821245-21/usr/sbin/munin12:10:171
254235599300,28cyclictest2833008-21ssh12:18:331
2542355992919,9cyclictest2675633-21ssh10:12:461
254235599290,28cyclictest2606571-21ssh09:19:241
254235599290,27cyclictest0-21swapper/111:55:171
254235599290,27cyclictest0-21swapper/107:35:001
254235599290,26cyclictest2594234-21diskmemload11:45:401
254235999282,21cyclictest2827525-21apt-get12:15:132
2542355992818,8cyclictest2707125-21ssh10:36:531
2542355992818,8cyclictest2622838-21kthreadcore09:30:181
254235599280,9cyclictest2763145-21ssh11:20:371
254235599280,27cyclictest2857768-21ssh12:37:401
254235599280,26cyclictest2781964-21ssh11:35:411
254235599280,26cyclictest2727152-21ssh10:55:061
254236199271,4cyclictest2594234-21diskmemload11:05:213
254235999271,24cyclictest2811239-21cut12:00:152
254235599271,23cyclictest2771088-21apt-get11:30:131
254235599270,9cyclictest2689156-21ssh10:25:041
254235599270,26cyclictest2719964-21ssh10:47:491
254235599270,26cyclictest2688061-21ssh10:22:211
254235599270,25cyclictest2637545-21ssh09:43:051
254235599270,25cyclictest2594234-21diskmemload12:03:541
254235599270,25cyclictest0-21swapper/111:25:111
254235599270,24cyclictest0-21swapper/111:10:101
254235599270,24cyclictest0-21swapper/110:15:021
254236199260,20cyclictest2638461-21ssh09:45:113
254235999261,23cyclictest2617187-21missed_timers09:25:202
254235999261,22cyclictest2638455-21apt-get09:45:112
254235999260,20cyclictest2548787-21kworker/u8:2+rpciod10:00:152
2542355992618,7cyclictest2700150-21ssh10:30:571
2542355992616,9cyclictest2662706-21ssh10:03:101
254235599261,21cyclictest2815008-21apt-get12:05:141
254235599260,6cyclictest2594234-21diskmemload09:55:541
254235599260,25cyclictest0-21swapper/111:43:231
254235599260,25cyclictest0-21swapper/111:16:291
254235599260,25cyclictest0-21swapper/111:07:531
254235599260,25cyclictest0-21swapper/111:03:451
254235599260,25cyclictest0-21swapper/109:45:221
254235599260,24cyclictest2594234-21diskmemload12:30:211
254235599260,24cyclictest2594234-21diskmemload12:30:201
254235599260,24cyclictest0-21swapper/112:22:111
254235599260,23cyclictest0-21swapper/109:28:031
254236199250,23cyclictest2839742-21turbostat12:25:003
254236199250,23cyclictest2575417-21irqcore08:25:163
2542359992520,2cyclictest2714705-21apt-get10:45:142
254235999251,3cyclictest2682950-21apt-get10:20:122
254235999251,20cyclictest2644765-21ssh09:50:112
254235999250,4cyclictest2779862-21cut11:35:162
254235599252,20cyclictest2625931-21apt-get09:35:111
2542355992520,4cyclictest2594234-21diskmemload12:26:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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