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2026-06-25 - 04:21
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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 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146662203186,12sleep10-21swapper/119:06:111
149172194176,13sleep00-21swapper/019:09:270
125042176159,12sleep30-21swapper/319:05:013
14869212288,30sleep20-21swapper/219:08:492
105452490,0sleep10-21swapper/121:25:151
298542470,0sleep10-21swapper/123:10:121
111712110,0sleep30-21swapper/323:48:573
31976290,0sleep00-21swapper/023:10:350
151669993,2cyclictest31-21ksoftirqd/219:20:002
151559991,4cyclictest8186-21awk19:59:590
151669985,2cyclictest31-21ksoftirqd/223:00:012
151669983,2cyclictest31-21ksoftirqd/220:10:012
151669982,2cyclictest31-21ksoftirqd/223:55:012
151669981,1cyclictest31-21ksoftirqd/220:50:012
151669980,1cyclictest81rcu_preempt00:25:112
151669976,0cyclictest31-21ksoftirqd/219:40:162
151669975,0cyclictest31-21ksoftirqd/221:20:182
151669975,0cyclictest31-21ksoftirqd/221:15:162
151669974,2cyclictest31-21ksoftirqd/200:05:012
151669974,1cyclictest31-21ksoftirqd/223:25:122
151669974,0cyclictest31-21ksoftirqd/223:55:092
151669972,1cyclictest31-21ksoftirqd/200:05:172
151669972,0cyclictest81rcu_preempt21:35:122
151669971,2cyclictest31-21ksoftirqd/219:55:152
151669970,2cyclictest31-21ksoftirqd/222:45:112
151669970,2cyclictest31-21ksoftirqd/222:30:122
151669970,2cyclictest31-21ksoftirqd/221:10:142
151669970,2cyclictest31-21ksoftirqd/221:10:142
151669970,1cyclictest31-21ksoftirqd/223:05:172
151709960,5cyclictest0-21swapper/300:30:113
151669965,0cyclictest31-21ksoftirqd/223:30:102
151669965,0cyclictest31-21ksoftirqd/200:25:012
151669964,0cyclictest31-21ksoftirqd/223:10:132
151669964,0cyclictest31-21ksoftirqd/223:00:172
151669964,0cyclictest31-21ksoftirqd/222:00:012
151669964,0cyclictest31-21ksoftirqd/221:50:142
151669964,0cyclictest31-21ksoftirqd/221:05:022
151669964,0cyclictest31-21ksoftirqd/200:35:132
151669963,0cyclictest31-21ksoftirqd/220:25:002
151669962,2cyclictest31-21ksoftirqd/223:45:152
151669961,2cyclictest31-21ksoftirqd/221:40:122
151669961,1cyclictest31-21ksoftirqd/222:15:152
151669961,1cyclictest31-21ksoftirqd/220:00:172
151669961,1cyclictest31-21ksoftirqd/219:50:122
151669961,1cyclictest0-21swapper/220:40:112
151669960,2cyclictest31-21ksoftirqd/223:20:122
151669960,2cyclictest31-21ksoftirqd/222:25:112
151669960,2cyclictest31-21ksoftirqd/222:10:012
151669960,2cyclictest31-21ksoftirqd/200:15:112
151669960,1cyclictest31-21ksoftirqd/220:25:122
151669960,0cyclictest0-21swapper/219:35:002
151559962,4cyclictest19222-21munin-run00:25:010
151559960,6cyclictest0-21swapper/021:22:290
151559960,3cyclictest25505-21perf20:35:000
151709955,0cyclictest25692-21kworker/3:223:08:153
151709955,0cyclictest25692-21kworker/3:222:57:043
151709955,0cyclictest25692-21kworker/3:220:20:193
151709955,0cyclictest0-21swapper/300:00:123
151709953,1cyclictest14080-21grep20:10:143
151709950,5cyclictest0-21swapper/323:40:073
151709950,5cyclictest0-21swapper/323:02:263
151709950,5cyclictest0-21swapper/300:24:303
151709950,5cyclictest0-21swapper/300:14:103
151709950,0cyclictest10602-21diskmemload21:56:053
151709950,0cyclictest0-21swapper/321:30:033
151669955,0cyclictest31-21ksoftirqd/219:25:132
151669954,1cyclictest31-21ksoftirqd/222:50:152
151669954,0cyclictest31-21ksoftirqd/223:40:172
151669954,0cyclictest31-21ksoftirqd/223:15:122
151669954,0cyclictest31-21ksoftirqd/222:10:142
151669954,0cyclictest31-21ksoftirqd/220:15:122
151669954,0cyclictest31-21ksoftirqd/219:35:122
151669953,1cyclictest31-21ksoftirqd/221:45:152
151669953,0cyclictest31-21ksoftirqd/222:40:162
151669953,0cyclictest31-21ksoftirqd/222:20:012
151669953,0cyclictest31-21ksoftirqd/200:15:012
151669952,0cyclictest81rcu_preempt21:25:162
151669951,2cyclictest31-21ksoftirqd/220:35:112
151669951,2cyclictest31-21ksoftirqd/200:30:112
151669950,4cyclictest0-21swapper/220:55:092
151669950,2cyclictest31-21ksoftirqd/223:36:082
151669950,1cyclictest8939-21fschecks_count21:05:122
151669950,1cyclictest31-21ksoftirqd/222:35:112
151669950,1cyclictest0-21swapper/219:20:102
151569951,2cyclictest0-21swapper/123:00:111
151569951,2cyclictest0-21swapper/121:50:121
151569951,2cyclictest0-21swapper/120:50:111
151569950,5cyclictest0-21swapper/121:43:111
151559955,0cyclictest0-21swapper/021:43:350
151559955,0cyclictest0-21swapper/000:33:130
151559955,0cyclictest0-21swapper/000:16:470
151559955,0cyclictest0-21swapper/000:03:240
19789240,0sleep00-21swapper/023:53:040
151709944,0cyclictest40-21ksoftirqd/319:10:013
151709944,0cyclictest25692-21kworker/3:220:09:063
151709944,0cyclictest25692-21kworker/3:200:37:473
151709944,0cyclictest0-21swapper/323:12:453
151709944,0cyclictest0-21swapper/322:15:533
151709944,0cyclictest0-21swapper/322:05:593
151709943,1cyclictest6733-21cut19:55:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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