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2025-12-03 - 23:37
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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 Wed Dec 03, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
160722193176,12sleep10-21swapper/107:10:001
159192192175,12sleep30-21swapper/307:08:053
138492188172,11sleep00-21swapper/007:05:060
138562176156,15sleep20-21swapper/207:05:112
252492500,3sleep340-21ksoftirqd/311:09:373
196682430,0sleep10-21swapper/110:17:481
34892420,0sleep10-21swapper/108:50:201
237052420,0sleep20-21swapper/212:13:352
34612410,0sleep10-21swapper/109:21:061
168122140,0sleep00-21swapper/007:10:150
49822120,1sleep30-21swapper/308:55:133
183062120,0sleep00-21swapper/009:29:070
144602120,0sleep00-21swapper/009:43:030
1624099102,4cyclictest31744-21munin-run07:40:020
162409982,3cyclictest7520-21perf09:40:010
162409972,5cyclictest23223-21kworker/0:011:22:450
162409972,5cyclictest17678-21kworker/0:109:22:110
162409963,3cyclictest3357-21kworker/0:112:00:120
162409962,4cyclictest3357-21kworker/0:111:42:070
162409961,5cyclictest3357-21kworker/0:112:05:270
162409961,5cyclictest3357-21kworker/0:111:52:550
162409961,5cyclictest3357-21kworker/0:111:49:190
162409961,5cyclictest3357-21kworker/0:111:34:430
162409961,5cyclictest23223-21kworker/0:011:25:190
162409961,5cyclictest23223-21kworker/0:011:15:230
162409961,5cyclictest23223-21kworker/0:011:14:400
162409961,5cyclictest23223-21kworker/0:010:45:180
162409961,5cyclictest23223-21kworker/0:010:40:560
162409961,5cyclictest23223-21kworker/0:010:30:150
162409961,5cyclictest23223-21kworker/0:010:28:270
162409961,5cyclictest23223-21kworker/0:010:10:510
162409961,5cyclictest17678-21kworker/0:110:00:510
162409961,5cyclictest17678-21kworker/0:109:54:360
162409961,5cyclictest17678-21kworker/0:109:11:310
162409961,5cyclictest17678-21kworker/0:109:05:110
162409960,3cyclictest3523-21awk12:20:000
162509955,0cyclictest30578-21kworker/3:212:34:123
162509955,0cyclictest30578-21kworker/3:212:11:483
162509955,0cyclictest30578-21kworker/3:211:27:033
162509955,0cyclictest0-21swapper/310:33:123
162509950,5cyclictest0-21swapper/311:10:023
162509950,5cyclictest0-21swapper/309:05:123
162509950,5cyclictest0-21swapper/307:15:143
162509950,4cyclictest21497-21ssh11:40:093
162509950,4cyclictest0-21swapper/311:45:123
162469955,0cyclictest0-21swapper/210:15:152
162469951,4cyclictest714-21snmpd11:50:392
162469950,5cyclictest0-21swapper/207:20:132
162469950,5cyclictest0-21swapper/207:20:122
162419952,2cyclictest0-21swapper/108:10:121
162419951,3cyclictest0-21swapper/112:15:121
162419951,2cyclictest0-21swapper/109:35:141
162419951,2cyclictest0-21swapper/107:40:111
162419950,5cyclictest0-21swapper/111:09:021
162419950,5cyclictest0-21swapper/111:00:461
162419950,5cyclictest0-21swapper/109:18:111
162419950,3cyclictest0-21swapper/112:35:121
162409952,3cyclictest23223-21kworker/0:011:00:150
162409952,3cyclictest23223-21kworker/0:010:20:120
162409951,4cyclictest3357-21kworker/0:112:37:180
162409951,4cyclictest3357-21kworker/0:112:11:060
162409951,4cyclictest23223-21kworker/0:010:57:550
162409951,4cyclictest23223-21kworker/0:010:37:110
162409951,4cyclictest23223-21kworker/0:010:37:110
162409951,4cyclictest17678-21kworker/0:108:50:180
162409950,5cyclictest3357-21kworker/0:112:32:150
162409950,5cyclictest3357-21kworker/0:112:22:340
162409950,5cyclictest3357-21kworker/0:111:35:560
162409950,5cyclictest23223-21kworker/0:010:52:030
162409950,5cyclictest23223-21kworker/0:010:16:070
162409950,5cyclictest17678-21kworker/0:109:33:550
162409950,5cyclictest0-21swapper/011:55:470
162509944,0cyclictest30578-21kworker/3:208:16:433
162509944,0cyclictest30578-21kworker/3:208:05:303
162509944,0cyclictest30578-21kworker/3:207:54:193
162509944,0cyclictest30578-21kworker/3:207:43:083
162509944,0cyclictest30578-21kworker/3:207:31:553
162509944,0cyclictest30578-21kworker/3:207:20:433
162509944,0cyclictest30578-21kworker/3:207:20:423
162509944,0cyclictest0-21swapper/310:51:593
162509944,0cyclictest0-21swapper/309:15:053
162509943,1cyclictest8488-21sed11:00:213
162509943,1cyclictest24516-21uniq10:20:143
162509943,1cyclictest18356-21munin-plugin-st10:50:023
162509942,2cyclictest2907-21cat08:50:153
162509942,1cyclictest32098-21ssh09:20:013
162509941,3cyclictest0-21swapper/310:06:343
162509940,4cyclictest6884-21apt-get12:05:193
162509940,4cyclictest29022-21cpuspeed10:55:123
162509940,4cyclictest26782-21apt-get08:35:123
162509940,4cyclictest20338-21ssh09:30:133
162509940,4cyclictest11663-21diskmemload12:02:123
162509940,4cyclictest0-21swapper/312:35:033
162509940,4cyclictest0-21swapper/312:21:573
162509940,4cyclictest0-21swapper/312:15:113
162509940,4cyclictest0-21swapper/311:55:193
162509940,4cyclictest0-21swapper/311:50:153
162509940,4cyclictest0-21swapper/310:01:133
162509940,4cyclictest0-21swapper/308:30:113
162509940,4cyclictest0-21swapper/308:00:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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