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2026-04-22 - 23:47
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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
Characteristics of the highest latencies:
System rack6slot5.osadl.org (updated Wed Apr 22, 2026 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
322829983554481,3823cyclictest3930-21kworker/0:111:22:590
322829979254243,3640cyclictest23996-21kworker/0:007:14:070
322829975563986,3540cyclictest27194-21kworker/0:212:26:310
322829975373757,3738cyclictest10372-21kworker/0:210:25:280
322829970563930,3102cyclictest12861-21kworker/0:109:10:330
322829968403600,3180cyclictest18653-21kworker/0:109:29:360
322829966543528,3111cyclictest10372-21kworker/0:210:18:200
322829964823327,3105cyclictest23996-21kworker/0:007:18:430
322829964543365,3074cyclictest28143-21kworker/0:011:02:140
322829962733367,2895cyclictest23996-21kworker/0:007:28:200
322829962163337,2868cyclictest23996-21kworker/0:007:20:080
322829961573268,2837cyclictest1505-21kworker/0:209:07:330
322829959473161,2735cyclictest23071-21kworker/0:010:47:540
322829959402965,2952cyclictest3930-21kworker/0:111:25:240
322829959333006,2885cyclictest28143-21kworker/0:011:05:190
322829958073013,2751cyclictest27194-21kworker/0:212:23:390
322829944272338,2074cyclictest23071-21kworker/0:010:50:080
322829930552999,42cyclictest18653-21kworker/0:109:31:350
317912807186,203sleep00-21swapper07:06:340
322829952695,417cyclictest11-21ksoftirqd/011:30:330
322829949525,398cyclictest19636-21ntp_states10:40:210
322829948836,438cyclictest5751-21ssh12:37:490
322829947753,354cyclictest12735-21diskmemload09:44:000
322829947722,393cyclictest29271-21ssh12:17:130
322829947654,361cyclictest5671-21ssh10:06:240
322829946836,372cyclictest338750irq/10-eth007:36:340
322829946646,349cyclictest16214-21munin-node11:46:120
322829946635,87cyclictest12735-21diskmemload09:24:110
322829946521,429cyclictest8245-21sh08:55:570
322829946371,379cyclictest31112chrt08:42:460
322829945561,380cyclictest11-21ksoftirqd/012:31:000
322829945453,167cyclictest12735-21diskmemload09:45:590
322829945222,407cyclictest18959-21ssh11:52:570
322829945125,410cyclictest25924-21seq09:38:280
322829945122,414cyclictest11112-21ssh11:35:150
32282994501,435cyclictest23356-21ssh12:04:100
32282994491,433cyclictest19063-21ssh10:38:120
32282994490,435cyclictest12735-21diskmemload10:58:520
322829944870,364cyclictest30981-21awk09:50:380
322829944867,90cyclictest17832-21df07:55:270
322829944861,373cyclictest21059-21idleruntime-cro08:05:010
322829944824,410cyclictest1595-21latency_hist08:40:050
32282994472,430cyclictest19546-21ssh11:55:200
32282994432,371cyclictest32272-21cyclictest08:45:130
322829944068,359cyclictest101652chrt09:01:000
322829943844,378cyclictest12735-21diskmemload10:14:360
322829943824,398cyclictest15424-21sed09:15:280
322829943654,368cyclictest27256-21ssh12:12:350
322829943573,302cyclictest0-21swapper08:13:400
322829943553,368cyclictest1737-21ssh09:57:150
322829943453,322cyclictest12735-21diskmemload12:43:380
322829943354,93cyclictest12735-21diskmemload11:40:110
322829943270,302cyclictest3664-21rm11:16:450
322829943122,393cyclictest3225-21vmstat10:01:040
32282994302,358cyclictest4894-21runrttasks07:50:490
322829942965,304cyclictest21956-21strings08:05:480
32282994243,360cyclictest30412-21mailstats08:30:130
322829941826,332cyclictest11704-31updatedb.mlocat07:41:180
322829941743,199cyclictest16273-21df_abs10:30:420
322829941259,293cyclictest11-21ksoftirqd/007:32:450
322829940956,338cyclictest25351-21sh12:08:380
322829939238,354cyclictest0-21swapper07:49:530
322829938853,321cyclictest5908-21gzip08:50:300
322829938556,269cyclictest11-21ksoftirqd/011:13:450
322829938453,317cyclictest26579-21idleruntime-cro08:20:010
322829937622,294cyclictest4894-21runrttasks08:23:150
322829936923,322cyclictest28562-21grep08:25:120
322829923316,204cyclictest13133-21ssh10:23:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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