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2026-06-15 - 02:41
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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 Mon Jun 15, 2026 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1676756997469,3cyclictest1825601-21kworker/u4:3+events_unbound23:42:471
1676755997448,18cyclictest1832056-21ssh23:30:090
1676755997327,40cyclictest25650irq/23-42890000.ethernet20:15:110
1676756996956,10cyclictest0-21swapper/121:20:101
1676755996726,27cyclictest1725506-21apt-get21:30:130
1676756996654,9cyclictest37-21kcompactd000:20:541
1676756996633,11cyclictest0-21swapper/122:55:321
1676756996459,3cyclictest1677982-21kworker/u4:10+events_unbound19:30:011
1676756996456,6cyclictest1687023-21kworker/u4:2+events_unbound19:50:001
1676755996218,40cyclictest25650irq/23-42890000.ethernet00:30:110
1676756996151,7cyclictest1674252-21kworker/u4:6+events_unbound19:37:001
1676756996134,9cyclictest0-21swapper/122:50:161
1676755996041,17cyclictest1722597-21ssh21:25:400
1676756995951,5cyclictest1679267-21kworker/u4:15+events_unbound19:21:571
1676756995948,9cyclictest53-21kswapd000:30:091
1676756995848,7cyclictest1767754-21kworker/u4:1+events_unbound22:32:341
1676756995847,8cyclictest317-21systemd-journal00:28:301
1676756995752,3cyclictest1727897-21kworker/u4:2+events_unbound21:32:241
1676755995649,5cyclictest1748837-21proc_pri21:55:350
1676755995530,22cyclictest0-21swapper/019:30:080
1676755995530,22cyclictest0-21swapper/019:30:080
1676755995447,5cyclictest1778804-21latency_hist22:30:010
1676755995446,5cyclictest1770611-21gltestperf22:20:210
1676755995445,7cyclictest378-21dbus-daemon23:17:410
1676755995441,11cyclictest1785112-21kworker/u4:11-rpciod22:55:230
1676755995436,15cyclictest1845646-21gltestperf23:45:210
1676756995347,4cyclictest1694770-21kworker/u4:6+events_unbound21:17:201
1676756995345,6cyclictest1812102-21kworker/u4:5+events_unbound23:12:431
1676756995343,7cyclictest1879049-21kworker/u4:3+events_unbound00:38:321
1676756995337,14cyclictest1805506-21ssh23:00:141
1676756995327,20cyclictest0-21swapper/122:35:171
167675699525,35cyclictest1868401-21ssh00:10:371
1676755995243,6cyclictest1834537-21kworker/u4:1+events_unbound23:37:460
167675599524,29cyclictest1850392-21ssh23:50:270
1676755995242,8cyclictest1739403-21fschecks_time21:45:220
1676755995235,15cyclictest1814498-21aten_r7power_vo23:10:150
1676756995142,6cyclictest1688828-21fschecks_time19:55:191
1676755995142,7cyclictest1693393-21systemd20:12:070
1676755995134,15cyclictest1752745-21fschecks_time22:00:210
1676755995132,17cyclictest0-21swapper/020:20:200
1676756995044,4cyclictest1761768-21/usr/sbin/munin22:10:221
1676756995044,4cyclictest1761768-21/usr/sbin/munin22:10:221
1676756995043,5cyclictest1811258-21who23:05:421
1676756995043,5cyclictest1811258-21who23:05:421
1676756995042,6cyclictest1781276-21kworker/u4:9+events_unbound22:42:361
1676756995042,5cyclictest1863243-21diskmemload00:05:201
1676756995041,6cyclictest1850957-21ssh23:50:401
1676756995039,8cyclictest1709275-21timerandwakeup21:10:451
1676756995037,10cyclictest1702370-21timerwakeupswit20:45:361
1676756995022,8cyclictest1760832-21ssh22:09:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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