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2026-06-10 - 05:14
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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 Wed Jun 10, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284562126117,6sleep10-21swapper/119:07:481
2531821230,6sleep22880699cyclictest20:30:182
283242112102,7sleep00-21swapper/019:06:070
284262111101,7sleep30-21swapper/319:07:263
28301210999,7sleep20-21swapper/219:05:482
312622660,0sleep30-21swapper/323:25:203
136442640,1sleep010-21rcuc/019:20:200
315242630,0sleep30-21swapper/323:00:123
2880699281,26cyclictest0-21swapper/219:25:062
2880699280,27cyclictest0-21swapper/219:11:442
2880299280,27cyclictest0-21swapper/123:59:081
2879799280,27cyclictest0-21swapper/023:35:520
2879799280,27cyclictest0-21swapper/020:44:480
2879799280,27cyclictest0-21swapper/000:11:290
2880699270,26cyclictest0-21swapper/220:06:062
2880699270,26cyclictest0-21swapper/200:23:382
2880299270,26cyclictest0-21swapper/123:09:381
2880299270,26cyclictest0-21swapper/120:14:031
2880299270,26cyclictest0-21swapper/100:28:151
2879799270,26cyclictest0-21swapper/023:20:040
2879799270,26cyclictest0-21swapper/021:15:510
2879799270,26cyclictest0-21swapper/021:05:030
2880699260,25cyclictest0-21swapper/223:55:522
2880699260,25cyclictest0-21swapper/223:22:532
2880699260,25cyclictest0-21swapper/222:54:072
2880699260,25cyclictest0-21swapper/221:19:042
28802992622,3cyclictest0-21swapper/123:25:371
28797992623,3cyclictest0-21swapper/022:39:110
2880699250,23cyclictest0-21swapper/220:00:112
28802992523,2cyclictest0-21swapper/123:18:441
28797992522,3cyclictest0-21swapper/023:50:460
28797992522,3cyclictest0-21swapper/020:02:210
28797992522,2cyclictest0-21swapper/023:43:260
2879799250,24cyclictest0-21swapper/022:47:280
2879799250,24cyclictest0-21swapper/021:42:090
2879799250,24cyclictest0-21swapper/019:31:060
28806992422,2cyclictest0-21swapper/223:12:232
28806992421,2cyclictest0-21swapper/221:25:152
2880699240,23cyclictest0-21swapper/221:39:002
2880299240,23cyclictest0-21swapper/121:47:431
2880299240,23cyclictest0-21swapper/119:23:391
28797992422,2cyclictest0-21swapper/023:28:530
28797992422,2cyclictest0-21swapper/020:39:540
2879799240,18cyclictest0-21swapper/021:55:220
28806992319,3cyclictest0-21swapper/219:45:122
2880699231,3cyclictest0-21swapper/219:24:482
2880299230,22cyclictest0-21swapper/122:27:081
2880299230,22cyclictest0-21swapper/122:27:071
28797992316,7cyclictest0-21swapper/020:27:330
2879799230,22cyclictest0-21swapper/022:34:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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