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2026-09-20 - 12:25
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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 Sun Sep 20, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
217762207191,12sleep30-21swapper/319:07:253
219512201168,27sleep10-21swapper/119:09:401
217802201185,12sleep00-21swapper/019:07:260
216532164147,12sleep20-21swapper/219:05:522
85942500,0sleep10-21swapper/122:27:401
75822470,0sleep00-21swapper/021:54:440
143002390,0sleep10-21swapper/121:57:451
295202130,1sleep30-21swapper/321:49:193
320492110,0sleep20-21swapper/221:16:272
276702100,0sleep00-21swapper/022:04:570
163012100,0sleep10-21swapper/100:26:581
6397290,0sleep20-21swapper/219:40:142
6397290,0sleep20-21swapper/219:40:142
221749994,1cyclictest31-21ksoftirqd/220:10:012
221749991,2cyclictest31-21ksoftirqd/222:10:152
221649993,3cyclictest30608-21munin-run21:50:010
21829290,0sleep30-21swapper/322:18:013
221749986,0cyclictest31-21ksoftirqd/219:15:012
221749983,2cyclictest31-21ksoftirqd/221:10:012
221749982,2cyclictest31-21ksoftirqd/223:00:012
221749982,2cyclictest31-21ksoftirqd/222:20:132
221749982,1cyclictest31-21ksoftirqd/223:50:172
221749975,1cyclictest31-21ksoftirqd/223:05:152
221749975,0cyclictest31-21ksoftirqd/222:55:012
221749975,0cyclictest31-21ksoftirqd/221:50:172
221749975,0cyclictest31-21ksoftirqd/221:45:012
221749974,1cyclictest31-21ksoftirqd/221:55:122
221749973,2cyclictest31-21ksoftirqd/223:30:002
221749973,1cyclictest31-21ksoftirqd/200:40:002
221749971,2cyclictest31-21ksoftirqd/223:55:202
221749971,2cyclictest31-21ksoftirqd/220:35:002
221749970,4cyclictest31-21ksoftirqd/222:45:012
221749970,2cyclictest31-21ksoftirqd/200:10:172
24247260,0sleep024249-21latency_hist00:15:000
221789962,4cyclictest0-21swapper/300:30:193
221789960,6cyclictest12764-21apt-get22:30:113
221789960,1cyclictest24194-21ssh22:51:543
221749965,0cyclictest31-21ksoftirqd/222:45:122
221749965,0cyclictest31-21ksoftirqd/200:30:142
221749964,0cyclictest31-21ksoftirqd/223:20:012
221749964,0cyclictest31-21ksoftirqd/222:30:172
221749964,0cyclictest31-21ksoftirqd/221:45:142
221749964,0cyclictest31-21ksoftirqd/221:30:202
221749964,0cyclictest31-21ksoftirqd/220:45:002
221749963,1cyclictest31-21ksoftirqd/221:20:142
221749963,0cyclictest31-21ksoftirqd/220:45:002
221749961,2cyclictest31-21ksoftirqd/223:35:132
221749961,2cyclictest31-21ksoftirqd/200:25:002
221749961,1cyclictest31-21ksoftirqd/221:35:182
221749961,1cyclictest31-21ksoftirqd/220:20:152
221749961,1cyclictest31-21ksoftirqd/219:25:132
221749960,2cyclictest31-21ksoftirqd/222:15:152
221749960,2cyclictest24768-21kworker/2:222:55:132
221749960,1cyclictest31-21ksoftirqd/223:50:002
221749960,1cyclictest31-21ksoftirqd/219:30:192
221749960,1cyclictest21017-21ssh21:10:322
221749960,1cyclictest0-21swapper/220:19:592
221749960,0cyclictest0-21swapper/223:40:112
221649960,6cyclictest0-21swapper/000:07:210
221649960,3cyclictest11142-21munin-run21:40:010
221789955,0cyclictest21759-21kworker/3:022:12:323
221789955,0cyclictest0-21swapper/323:12:123
221789952,3cyclictest7277-21ssh22:43:413
221789952,3cyclictest15965-21fschecks_time21:25:163
221789952,3cyclictest0-21swapper/322:00:073
221789952,3cyclictest0-21swapper/321:21:003
221789950,5cyclictest0-21swapper/323:34:153
221789950,5cyclictest0-21swapper/323:25:003
221789950,5cyclictest0-21swapper/323:05:273
221789950,5cyclictest0-21swapper/322:27:583
221789950,5cyclictest0-21swapper/322:06:313
221789950,5cyclictest0-21swapper/321:32:163
221789950,5cyclictest0-21swapper/300:37:233
221789950,5cyclictest0-21swapper/300:18:263
221789950,5cyclictest0-21swapper/300:05:123
221789950,4cyclictest24648-21munin-node19:15:013
221789950,4cyclictest11462-21ssh00:25:013
221789950,0cyclictest0-21swapper/323:43:153
221749955,0cyclictest31-21ksoftirqd/219:20:142
221749955,0cyclictest31-21ksoftirqd/200:05:142
221749954,1cyclictest31-21ksoftirqd/200:05:002
221749954,0cyclictest31-21ksoftirqd/223:15:012
221749953,1cyclictest31-21ksoftirqd/223:20:192
221749953,1cyclictest31-21ksoftirqd/222:05:152
221749953,1cyclictest31-21ksoftirqd/219:35:122
221749953,0cyclictest31-21ksoftirqd/223:30:132
221749952,1cyclictest31-21ksoftirqd/200:25:122
221749952,0cyclictest31-21ksoftirqd/222:00:162
221749951,2cyclictest31-21ksoftirqd/221:25:142
221749950,1cyclictest31-21ksoftirqd/220:35:132
221749950,1cyclictest31-21ksoftirqd/219:55:182
221749950,0cyclictest81rcu_preempt20:50:102
221749950,0cyclictest3266-21cpuspeed_turbos22:25:132
221749950,0cyclictest18170-21diskmemload22:35:202
221689951,3cyclictest0-21swapper/122:00:101
221689951,2cyclictest0-21swapper/121:40:131
221689950,5cyclictest0-21swapper/122:58:171
221689950,5cyclictest0-21swapper/100:35:551
221649950,5cyclictest21532-21cat22:50:220
221649950,5cyclictest0-21swapper/023:57:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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