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2025-11-26 - 08:35
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot2.osadl.org (updated Wed Nov 26, 2025 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
235642205189,11sleep10-21swapper/119:08:121
234152194177,12sleep30-21swapper/319:06:173
214752193176,12sleep00-21swapper/019:05:020
236622173157,12sleep20-21swapper/219:09:302
25882520,0sleep30-21swapper/322:54:453
304682450,0sleep30-21swapper/323:40:213
161512450,0sleep30-21swapper/323:33:483
104832430,0sleep10-21swapper/100:03:371
55522330,0sleep00-21swapper/023:11:480
238699992,3cyclictest712-21idleruntime-cro23:10:000
238799981,6cyclictest0-21swapper/319:25:133
238739971,5cyclictest0-21swapper/219:30:122
238739965,1cyclictest31-21ksoftirqd/223:10:122
238699960,3cyclictest19762-21idleruntime-cro20:05:010
238799950,5cyclictest9195-21sh00:02:483
238799950,4cyclictest25273-21munin-run22:50:013
238739951,2cyclictest0-21swapper/222:15:112
238739951,2cyclictest0-21swapper/221:00:122
238739951,2cyclictest0-21swapper/219:25:132
238739951,1cyclictest0-21swapper/223:50:112
238739950,0cyclictest0-21swapper/221:59:512
238739950,0cyclictest0-21swapper/221:43:502
238709954,1cyclictest0-21swapper/123:15:141
238699955,0cyclictest3-21ksoftirqd/022:25:000
238699955,0cyclictest19906-21diskmemload21:25:010
238699955,0cyclictest0-21swapper/023:22:080
238699950,5cyclictest0-21swapper/022:47:120
238699950,5cyclictest0-21swapper/021:56:520
238699950,5cyclictest0-21swapper/021:36:210
238699950,5cyclictest0-21swapper/000:37:300
238699950,5cyclictest0-21swapper/000:37:300
238699950,5cyclictest0-21swapper/000:27:450
238699950,0cyclictest81rcu_preempt00:30:120
238699950,0cyclictest0-21swapper/022:02:590
32690240,0sleep30-21swapper/322:36:483
238799944,0cyclictest10674-21kworker/3:219:39:163
238799944,0cyclictest0-21swapper/323:12:023
238799944,0cyclictest0-21swapper/322:21:313
238799941,3cyclictest10356-21sh00:20:043
238799941,2cyclictest0-21swapper/323:35:113
238799940,4cyclictest3782-21sh00:32:423
238799940,4cyclictest1403-21perl00:15:143
238799940,4cyclictest12341-21/usr/sbin/munin19:50:213
238799940,4cyclictest0-21swapper/323:56:023
238799940,4cyclictest0-21swapper/323:50:523
238799940,4cyclictest0-21swapper/323:47:263
238799940,4cyclictest0-21swapper/323:20:133
238799940,4cyclictest0-21swapper/323:19:303
238799940,4cyclictest0-21swapper/323:00:153
238799940,4cyclictest0-21swapper/322:44:313
238799940,4cyclictest0-21swapper/322:18:073
238799940,4cyclictest0-21swapper/321:52:183
238799940,4cyclictest0-21swapper/321:24:493
238799940,4cyclictest0-21swapper/321:11:473
238799940,4cyclictest0-21swapper/320:55:113
238799940,4cyclictest0-21swapper/320:15:123
238799940,4cyclictest0-21swapper/320:00:013
238799940,4cyclictest0-21swapper/319:55:113
238799940,4cyclictest0-21swapper/319:30:123
238799940,4cyclictest0-21swapper/300:35:133
238799940,4cyclictest0-21swapper/300:35:133
238799940,4cyclictest0-21swapper/300:26:343
238799940,4cyclictest0-21swapper/300:11:133
238799940,4cyclictest0-21swapper/300:05:143
238799940,3cyclictest6257-21ssh22:55:453
238799940,3cyclictest5100-21apt-get20:40:113
238799940,3cyclictest2961-21ssh21:17:083
238799940,3cyclictest2961-21ssh21:17:083
238799940,3cyclictest26243-21/usr/sbin/munin21:45:143
238799940,3cyclictest26183-21ssh21:29:073
238799940,3cyclictest23482-21rm23:05:053
238799940,3cyclictest20440-21ssh22:30:213
238799940,3cyclictest13606-21ssh22:27:193
238799940,3cyclictest13383-21/usr/sbin/munin21:55:133
238799940,3cyclictest10661-21date22:10:003
238799940,2cyclictest0-21swapper/321:44:593
238799940,1cyclictest32537-21ntp_states23:25:183
238799940,1cyclictest30085-21/usr/sbin/munin20:25:203
238799940,1cyclictest29603-21ntpq21:30:193
238799940,1cyclictest19971-21/usr/sbin/munin20:05:163
238799940,1cyclictest10403-21diskstats19:45:133
238799940,1cyclictest10238-21/usr/sbin/munin20:50:133
238739944,0cyclictest0-21swapper/222:55:262
238739944,0cyclictest0-21swapper/222:41:452
238739944,0cyclictest0-21swapper/222:25:022
238739944,0cyclictest0-21swapper/221:20:252
238739944,0cyclictest0-21swapper/220:12:362
238739943,1cyclictest28973-21grep21:30:172
238739943,1cyclictest27342-21ssh21:29:512
238739942,1cyclictest26029-21ssh00:27:322
238739942,1cyclictest16119-21ls19:55:172
238739941,2cyclictest0-21swapper/222:30:112
238739941,2cyclictest0-21swapper/221:45:132
238739941,1cyclictest0-21swapper/200:10:122
238739941,1cyclictest0-21swapper/200:00:142
238739941,0cyclictest81rcu_preempt22:47:012
238739940,4cyclictest26935-21perl19:15:002
238739940,4cyclictest19906-21diskmemload23:20:142
238739940,4cyclictest0-21swapper/223:45:132
238739940,4cyclictest0-21swapper/223:35:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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