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2026-06-25 - 18:00
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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 Thu Jun 25, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
205662195178,12sleep00-21swapper/007:07:190
205692192175,12sleep30-21swapper/307:07:213
207272180164,11sleep10-21swapper/107:09:231
204742151134,13sleep20-21swapper/207:06:072
16162480,0sleep10-21swapper/111:09:231
22832460,0sleep10-21swapper/111:25:161
20502410,0sleep00-21swapper/012:13:190
215032140,0sleep30-21swapper/311:19:103
2094599113,4cyclictest11625-21munin-run09:00:000
2094599103,3cyclictest2655-21perf11:10:010
476290,0sleep30-21swapper/312:12:223
2710290,0sleep30-21swapper/309:18:483
23504290,0sleep20-21swapper/211:35:232
23447290,0sleep00-21swapper/011:35:200
209459981,3cyclictest18882-21munin-run08:10:000
209459971,3cyclictest16746-21apt-get12:05:000
209459960,3cyclictest15044-21munin-run12:20:000
3497250,0sleep00-21swapper/010:38:120
209599950,5cyclictest3883-21ssh10:06:143
209599950,5cyclictest0-21swapper/310:46:483
209599950,4cyclictest0-21swapper/308:10:113
209599950,1cyclictest0-21swapper/308:45:203
209599950,0cyclictest0-21swapper/311:54:373
209549950,5cyclictest19796-21fschecks_time08:10:142
209549950,5cyclictest0-21swapper/209:21:482
209549950,3cyclictest21349-21ssh12:22:362
209509951,2cyclictest0-21swapper/108:35:111
209509950,5cyclictest0-21swapper/109:44:261
209459955,0cyclictest0-21swapper/011:48:360
209459950,5cyclictest0-21swapper/010:48:040
209459950,5cyclictest0-21swapper/010:15:460
209459950,5cyclictest0-21swapper/010:03:340
209459950,5cyclictest0-21swapper/008:45:100
209459950,4cyclictest0-21swapper/007:50:110
209459950,1cyclictest25203-21munin-run12:25:010
209599943,1cyclictest18905-21ntp_states12:05:173
209599943,1cyclictest11592-21cron09:00:003
209599942,1cyclictest7525-21ssh10:40:123
209599942,1cyclictest29044-21ssh10:50:193
209599942,1cyclictest23566-21munin-run09:45:013
209599941,3cyclictest16561-21diskmemload12:17:473
209599941,3cyclictest16561-21diskmemload11:22:193
209599940,4cyclictest9210-21apt-get07:50:123
209599940,4cyclictest30355-21memory07:25:163
209599940,4cyclictest22857-21ntp_states08:15:183
209599940,4cyclictest12311-21irqstats11:30:163
209599940,4cyclictest0-21swapper/312:28:213
209599940,4cyclictest0-21swapper/311:25:183
209599940,4cyclictest0-21swapper/310:25:113
209599940,4cyclictest0-21swapper/310:15:113
209599940,4cyclictest0-21swapper/309:55:123
209599940,4cyclictest0-21swapper/309:50:163
209599940,4cyclictest0-21swapper/309:45:113
209599940,4cyclictest0-21swapper/309:25:133
209599940,4cyclictest0-21swapper/309:21:323
209599940,4cyclictest0-21swapper/308:25:113
209599940,4cyclictest0-21swapper/307:30:113
209599940,4cyclictest0-21swapper/307:10:133
209599940,3cyclictest7169-21ssh12:00:103
209599940,3cyclictest6456-21latency_hist10:40:023
209599940,3cyclictest4846-21ssh10:55:013
209599940,3cyclictest4095-21perl12:30:123
209599940,3cyclictest31454-21apt-get08:35:003
209599940,3cyclictest31301-21ssh09:32:283
209599940,3cyclictest30208-21irqstats08:30:143
209599940,3cyclictest23677-21hddtemp_smartct07:15:013
209599940,3cyclictest21342-21/usr/sbin/munin11:35:163
209599940,3cyclictest16370-21perl12:20:143
209599940,3cyclictest1461-21sh10:20:473
209599940,3cyclictest12374-21df09:00:113
209549944,0cyclictest0-21swapper/212:10:002
209549944,0cyclictest0-21swapper/211:28:132
209549944,0cyclictest0-21swapper/209:30:482
209549944,0cyclictest0-21swapper/209:10:522
209549943,1cyclictest6679-21sendmail-msp12:00:002
209549943,1cyclictest21578-21/usr/sbin/munin08:15:212
209549942,1cyclictest4731-21/usr/sbin/munin12:30:172
209549941,3cyclictest0-21swapper/208:20:102
209549940,4cyclictest32341-21rm09:49:092
209549940,4cyclictest26467-21ssh10:33:382
209549940,4cyclictest16925-21ntp_states09:25:192
209549940,4cyclictest0-21swapper/212:25:102
209549940,4cyclictest0-21swapper/212:15:012
209549940,4cyclictest0-21swapper/212:14:502
209549940,4cyclictest0-21swapper/211:52:472
209549940,4cyclictest0-21swapper/211:30:112
209549940,4cyclictest0-21swapper/211:20:102
209549940,4cyclictest0-21swapper/211:15:352
209549940,4cyclictest0-21swapper/210:45:122
209549940,4cyclictest0-21swapper/210:44:012
209549940,4cyclictest0-21swapper/210:20:052
209549940,4cyclictest0-21swapper/210:00:422
209549940,4cyclictest0-21swapper/209:15:132
209549940,3cyclictest4195-21ssh10:54:462
209549940,3cyclictest29561-21sort07:25:122
209549940,3cyclictest2848-21ssh11:10:012
209549940,3cyclictest23401-21munin-node07:15:012
209549940,3cyclictest21626-21/usr/sbin/munin10:15:152
209549940,3cyclictest14264-21sed09:05:012
209549940,3cyclictest11870-21sh10:25:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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