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2025-07-09 - 11:44
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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 Wed Jul 09, 2025 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14322212463,7sleep10-21swapper/119:08:381
14140212463,6sleep00-21swapper/019:06:160
14214211199,7sleep20-21swapper/219:07:152
8847210999,7sleep30-21swapper/319:05:083
31342660,0sleep10-21swapper/121:59:071
165902640,6sleep11459799cyclictest22:35:211
3402620,0sleep20-21swapper/221:56:122
319332610,1sleep131939-21kthreadcore19:20:191
30712600,0sleep00-21swapper/021:10:520
73162590,0sleep30-21swapper/321:30:133
71592580,0sleep37164-21timerandwakeup20:20:253
129952580,0sleep013000-21tr23:05:200
12272580,0sleep30-21swapper/320:45:203
237332570,0sleep00-21swapper/021:36:190
12602570,1sleep01263-21kthreadcore23:30:190
1459799280,27cyclictest0-21swapper/119:35:141
1459099280,27cyclictest0-21swapper/019:15:000
1460199270,26cyclictest0-21swapper/222:33:452
1460199270,26cyclictest0-21swapper/221:47:382
1459799270,26cyclictest0-21swapper/122:57:091
1459799270,26cyclictest0-21swapper/122:41:571
1459799270,26cyclictest0-21swapper/119:46:071
1459799270,26cyclictest0-21swapper/119:26:331
1459799270,26cyclictest0-21swapper/119:19:241
1459799270,26cyclictest0-21swapper/100:32:161
1459099270,26cyclictest0-21swapper/022:07:290
1460199260,25cyclictest0-21swapper/219:57:012
14597992622,3cyclictest0-21swapper/121:49:141
1459799260,25cyclictest0-21swapper/100:16:161
1459099261,14cyclictest18847-21munin-run23:25:010
1459099261,14cyclictest18847-21munin-run23:25:000
1460199250,24cyclictest0-21swapper/223:40:222
1460199250,24cyclictest0-21swapper/220:45:552
1459799250,24cyclictest0-21swapper/121:36:431
1459799250,24cyclictest0-21swapper/121:26:591
1459799250,24cyclictest0-21swapper/121:21:321
1459799250,24cyclictest0-21swapper/121:19:491
1459799250,24cyclictest0-21swapper/120:21:041
1459799250,24cyclictest0-21swapper/119:14:341
14590992516,8cyclictest0-21swapper/022:12:450
1460199242,21cyclictest0-21swapper/223:06:432
1460199241,22cyclictest0-21swapper/200:28:202
1460199241,19cyclictest0-21swapper/223:35:132
1460199240,23cyclictest0-21swapper/222:17:462
1460199240,23cyclictest0-21swapper/221:35:272
1460199240,18cyclictest26730-21ssh23:11:302
1459799240,23cyclictest0-21swapper/123:43:161
1459799240,23cyclictest0-21swapper/123:20:031
1459799240,23cyclictest0-21swapper/123:20:031
1459799240,23cyclictest0-21swapper/123:06:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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