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2025-10-21 - 23:23
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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 50 highest latencies:
System rack5slot2.osadl.org (updated Tue Oct 21, 2025 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284352196179,12sleep00-21swapper/007:09:230
283642195179,11sleep10-21swapper/107:08:281
284862186170,11sleep30-21swapper/307:09:593
284852177161,12sleep20-21swapper/207:09:572
240212450,0sleep10-21swapper/111:34:511
189282430,0sleep00-21swapper/011:48:180
164862410,0sleep016488-21pmu-power11:30:200
258242120,0sleep10-21swapper/109:58:301
286939991,4cyclictest32604-21munin-run09:30:010
286939971,3cyclictest4489-21munin-run08:30:010
286939971,3cyclictest4341-21idleruntime-cro07:25:000
7822260,0sleep10-21swapper/112:15:131
286939961,5cyclictest23296-21kworker/0:212:00:140
286939961,5cyclictest23296-21kworker/0:211:10:170
286939961,5cyclictest23296-21kworker/0:210:59:300
286939961,5cyclictest23296-21kworker/0:210:30:140
286939961,5cyclictest23296-21kworker/0:210:08:480
287029955,0cyclictest31248-21kworker/3:110:31:273
287029950,5cyclictest0-21swapper/309:38:123
287029950,4cyclictest0-21swapper/308:35:123
287029950,0cyclictest24284-21diskmemload10:36:243
286979955,0cyclictest0-21swapper/209:57:372
286979950,5cyclictest22079-21/usr/sbin/munin08:00:162
286979950,0cyclictest495-21nscd10:20:282
286949951,2cyclictest0-21swapper/111:40:121
286949950,5cyclictest0-21swapper/110:51:221
286949950,5cyclictest0-21swapper/108:05:201
286939952,3cyclictest23296-21kworker/0:212:10:560
286939952,3cyclictest23296-21kworker/0:211:17:240
286939952,3cyclictest23296-21kworker/0:210:29:160
286939952,3cyclictest23296-21kworker/0:209:55:010
286939952,3cyclictest23296-21kworker/0:209:13:000
286939951,4cyclictest23296-21kworker/0:211:58:080
286939951,4cyclictest23296-21kworker/0:209:33:280
286939951,4cyclictest23296-21kworker/0:209:21:190
286939951,4cyclictest0-21swapper/011:08:180
286939950,5cyclictest23296-21kworker/0:212:35:300
286939950,5cyclictest23296-21kworker/0:212:30:390
286939950,5cyclictest23296-21kworker/0:212:28:390
286939950,5cyclictest23296-21kworker/0:212:16:250
286939950,5cyclictest23296-21kworker/0:211:27:540
286939950,5cyclictest23296-21kworker/0:211:00:480
286939950,5cyclictest23296-21kworker/0:210:42:390
286939950,5cyclictest23296-21kworker/0:210:20:240
286939950,5cyclictest23296-21kworker/0:210:14:180
286939950,5cyclictest23296-21kworker/0:209:55:080
286939950,5cyclictest23296-21kworker/0:207:25:160
286939950,5cyclictest12150-21cron09:20:020
286939950,5cyclictest12150-21cron09:20:010
286939950,5cyclictest0-21swapper/012:23:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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