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2024-07-27 - 07:34
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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 50 highest latencies:
System rackcslot0.osadl.org (updated Sat Jul 27, 2024 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1046221870,6sleep12775599cyclictest23:54:091
1046221870,6sleep12775599cyclictest23:54:091
505221730,4sleep42775999cyclictest22:25:5710
2487721650,31sleep00-21swapper/019:08:480
2723121320,4sleep112776899cyclictest23:56:443
2723121320,4sleep112776899cyclictest23:56:443
27051212492,27sleep50-21swapper/519:11:0211
27094212094,21sleep100-21swapper/1019:11:392
270572117104,8sleep90-21swapper/919:11:0615
26251211792,20sleep130-21swapper/1319:09:025
2857421140,1sleep140-21swapper/1423:38:366
2857421140,1sleep140-21swapper/1423:38:366
260021090,1sleep20-21swapper/200:19:038
27079210892,12sleep120-21swapper/1219:11:254
26962210790,8sleep80-21swapper/819:09:4514
3086521050,6sleep142777399cyclictest00:27:486
1315021040,2sleep91-21systemd23:59:0615
1315021040,2sleep91-21systemd23:59:0615
27091210391,7sleep70-21swapper/719:11:3613
1887421020,0sleep50-21swapper/500:15:5311
335521010,1sleep60-21swapper/621:26:3612
279142980,6sleep142777399cyclictest22:57:086
198982980,1sleep20-21swapper/222:51:358
83042960,1sleep10-21swapper/121:58:531
264642960,0sleep40-21swapper/421:57:0310
169172940,1sleep120-21swapper/1222:14:024
173012930,1sleep110-21swapper/1121:28:493
13552930,2sleep70-21swapper/721:39:5913
240902910,1sleep9891ktimersoftd/922:10:3115
2716528972,12sleep40-21swapper/419:12:3710
201402890,1sleep60-21swapper/600:04:2412
183512890,1sleep30-21swapper/321:28:579
94842880,1sleep60-21swapper/623:58:4712
94842880,1sleep60-21swapper/623:58:4712
2727528880,4sleep60-21swapper/619:13:2712
2716428875,7sleep30-21swapper/319:12:369
7422870,2sleep6740-21bash22:02:2612
271662870,1sleep100-21swapper/1023:19:322
2701128672,10sleep10-21swapper/119:10:261
144652860,1sleep60-21swapper/621:15:2212
144652860,1sleep60-21swapper/621:15:2212
126362860,1sleep60-21swapper/622:13:4012
123042860,0sleep20-21swapper/223:17:488
280062850,0sleep130-21swapper/1321:21:225
280062850,0sleep130-21swapper/1321:21:225
2707828575,6sleep110-21swapper/1119:11:243
2701228472,8sleep20-21swapper/219:10:278
218292840,1sleep20-21swapper/200:35:228
2711628375,4sleep140-21swapper/1419:11:596
226792820,1sleep30-21swapper/322:33:419
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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