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2026-06-27 - 13:39
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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 Sat Jun 27, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
149642206188,13sleep00-21swapper/019:06:180
151972202186,11sleep10-21swapper/119:09:201
149622196181,11sleep30-21swapper/319:06:173
151932125108,12sleep20-21swapper/219:09:172
13972420,0sleep30-21swapper/323:43:283
260822100,0sleep00-21swapper/023:39:570
1542399102,4cyclictest21351-21ssh22:50:000
25252280,0sleep20-21swapper/221:48:022
154239971,5cyclictest0-21swapper/019:45:110
154329960,6cyclictest0-21swapper/200:15:012
154239965,1cyclictest3-21ksoftirqd/021:55:130
154239960,5cyclictest0-21swapper/020:45:010
7453250,0sleep20-21swapper/221:55:142
16190250,0sleep00-21swapper/021:43:440
154369955,0cyclictest2302-21kworker/3:200:12:433
154369950,5cyclictest0-21swapper/321:55:143
154369950,5cyclictest0-21swapper/319:14:353
154369950,5cyclictest0-21swapper/300:26:503
154369950,3cyclictest28304-21ssh21:33:513
154369950,1cyclictest31373-21/usr/sbin/munin19:40:143
154329952,3cyclictest30782-21ssh00:14:042
154329950,5cyclictest0-21swapper/223:18:322
154329950,5cyclictest0-21swapper/222:35:112
154329950,5cyclictest0-21swapper/221:23:362
154329950,5cyclictest0-21swapper/200:02:202
154329950,4cyclictest1416-21apt-get19:45:112
154329950,0cyclictest0-21swapper/222:28:032
154329950,0cyclictest0-21swapper/200:07:432
154279951,2cyclictest0-21swapper/122:10:131
154279951,2cyclictest0-21swapper/122:00:111
154279951,2cyclictest0-21swapper/120:45:111
154279951,2cyclictest0-21swapper/119:10:111
154279950,5cyclictest0-21swapper/123:34:431
154239955,0cyclictest0-21swapper/022:53:450
154239954,1cyclictest3-21ksoftirqd/023:30:000
154239954,1cyclictest3-21ksoftirqd/022:25:000
154239951,3cyclictest0-21swapper/020:50:100
154239951,2cyclictest0-21swapper/000:10:120
154239950,5cyclictest0-21swapper/023:25:120
154239950,5cyclictest0-21swapper/022:56:470
154239950,5cyclictest0-21swapper/022:41:310
154239950,5cyclictest0-21swapper/022:38:270
154239950,5cyclictest0-21swapper/022:06:440
154239950,5cyclictest0-21swapper/021:25:140
154239950,5cyclictest0-21swapper/000:38:130
154239950,5cyclictest0-21swapper/000:04:180
9369240,3sleep29589-21perl20:00:132
7420240,0sleep30-21swapper/323:45:583
6307240,0sleep10-21swapper/122:25:561
154369944,0cyclictest2302-21kworker/3:222:20:483
154369944,0cyclictest2302-21kworker/3:200:23:553
154369944,0cyclictest2302-21kworker/3:200:01:313
154369944,0cyclictest0-21swapper/323:34:193
154369944,0cyclictest0-21swapper/320:38:323
154369942,1cyclictest30407-21/usr/sbin/munin23:10:173
154369941,3cyclictest23286-21irqstats21:15:163
154369941,1cyclictest0-21swapper/320:30:133
154369940,4cyclictest8589-21apt-get21:40:123
154369940,4cyclictest23647-21apt-get22:35:103
154369940,4cyclictest20070-21apt-get23:05:113
154369940,4cyclictest18806-21apt-get21:45:123
154369940,4cyclictest15270-21apt-get22:15:103
154369940,4cyclictest14709-21ssh22:14:583
154369940,4cyclictest0-21swapper/323:38:113
154369940,4cyclictest0-21swapper/323:25:413
154369940,4cyclictest0-21swapper/323:02:273
154369940,4cyclictest0-21swapper/322:50:113
154369940,4cyclictest0-21swapper/322:40:103
154369940,4cyclictest0-21swapper/321:25:343
154369940,4cyclictest0-21swapper/321:10:123
154369940,4cyclictest0-21swapper/319:25:133
154369940,4cyclictest0-21swapper/300:05:123
154369940,3cyclictest32018-21if_eth000:30:143
154369940,3cyclictest24104-21apt-get23:55:013
154369940,3cyclictest20235-21/usr/sbin/munin23:20:203
154369940,3cyclictest18645-21sed20:20:003
154369940,3cyclictest18104-21aten2_r5power_p19:15:003
154369940,3cyclictest14685-21ssh22:45:543
154369940,3cyclictest0-21swapper/322:00:113
154369940,3cyclictest0-21swapper/321:50:113
154369940,1cyclictest8848-21/usr/sbin/munin20:00:143
154369940,1cyclictest579-21/usr/sbin/munin00:15:153
154369940,1cyclictest3668-21munin-run19:50:003
154369940,0cyclictest0-21swapper/322:27:243
154329944,0cyclictest0-21swapper/221:14:362
154329944,0cyclictest0-21swapper/221:00:352
154329944,0cyclictest0-21swapper/200:30:512
154329942,1cyclictest27212-21ssh22:05:102
154329941,3cyclictest11447-21diskmemload00:20:262
154329940,4cyclictest25550-21apt-get22:20:122
154329940,4cyclictest2318-21perl20:50:122
154329940,4cyclictest17378-21ssh21:28:242
154329940,4cyclictest0-21swapper/223:45:102
154329940,4cyclictest0-21swapper/223:40:082
154329940,4cyclictest0-21swapper/223:33:392
154329940,4cyclictest0-21swapper/223:25:122
154329940,4cyclictest0-21swapper/223:21:332
154329940,4cyclictest0-21swapper/223:12:022
154329940,4cyclictest0-21swapper/223:00:122
154329940,4cyclictest0-21swapper/222:50:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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