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2025-09-15 - 14:44
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack5slot4.osadl.org (updated Mon Sep 15, 2025 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24217214581,7sleep20-21swapper/207:07:332
24156212362,6sleep30-21swapper/307:06:463
240772109100,6sleep10-21swapper/107:05:441
23718210796,6sleep00-21swapper/007:05:270
1858121060,0sleep018582-21sed08:25:000
136202620,0sleep30-21swapper/312:11:023
72942610,0sleep30-21swapper/309:45:183
72942610,0sleep30-21swapper/309:45:173
279892600,0sleep20-21swapper/207:35:202
230642570,0sleep30-21swapper/308:55:193
196562570,0sleep00-21swapper/012:15:190
96892540,0sleep00-21swapper/010:40:180
23192440,0sleep20-21swapper/211:29:522
2457499320,15cyclictest0-21swapper/111:41:461
2457499310,30cyclictest0-21swapper/109:27:071
24574993019,5cyclictest0-21swapper/110:33:191
2457499300,17cyclictest0-21swapper/111:26:181
2457499297,13cyclictest0-21swapper/111:00:201
2457499290,3cyclictest0-21swapper/110:15:541
2457499290,13cyclictest0-21swapper/111:50:361
2457899280,27cyclictest0-21swapper/211:10:022
2457899280,27cyclictest0-21swapper/209:48:312
2457899280,27cyclictest0-21swapper/209:48:312
24574992815,11cyclictest0-21swapper/111:35:281
24574992814,13cyclictest0-21swapper/111:20:371
2457499280,18cyclictest0-21swapper/112:29:561
2457499280,18cyclictest0-21swapper/110:03:541
2457899270,26cyclictest0-21swapper/211:58:082
2457499273,2cyclictest0-21swapper/110:29:111
2457499270,3cyclictest0-21swapper/109:36:021
2457499270,26cyclictest0-21swapper/109:22:001
2457499270,26cyclictest0-21swapper/108:32:121
2457499270,26cyclictest0-21swapper/107:37:501
2457499270,26cyclictest0-21swapper/107:31:071
2457499270,21cyclictest0-21swapper/108:01:331
2457499270,16cyclictest0-21swapper/110:12:041
2457499270,11cyclictest0-21swapper/110:46:091
2457899260,25cyclictest0-21swapper/211:54:172
2457899260,25cyclictest0-21swapper/209:51:342
2457899260,25cyclictest0-21swapper/209:27:422
2457899260,25cyclictest0-21swapper/207:20:322
2457499265,8cyclictest0-21swapper/111:31:431
2457499263,14cyclictest0-21swapper/112:37:021
2457499260,2cyclictest0-21swapper/108:07:331
2457499260,25cyclictest0-21swapper/111:45:501
2457499260,25cyclictest0-21swapper/109:59:191
2457499260,25cyclictest0-21swapper/109:46:461
2457499260,25cyclictest0-21swapper/109:46:461
2457499260,25cyclictest0-21swapper/109:10:361
2457499260,25cyclictest0-21swapper/108:55:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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