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2025-02-06 - 14:08
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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 Thu Feb 06, 2025 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
156012113103,7sleep00-21swapper/007:09:590
153972111101,7sleep30-21swapper/307:07:203
15347210898,7sleep10-21swapper/107:06:431
2291421070,5sleep21576999cyclictest08:10:182
15260210797,7sleep20-21swapper/207:05:362
68172610,0sleep28-21rcu_preempt07:30:142
152312570,0sleep20-21swapper/208:30:212
22782560,1sleep32286-21irqrtprio09:55:183
214402530,0sleep20-21swapper/209:46:592
264232520,1sleep30-21swapper/312:28:313
36502510,0sleep10-21swapper/111:10:141
224702430,1sleep10-21swapper/108:40:141
15769993633,2cyclictest0-21swapper/210:15:112
1576499300,15cyclictest0-21swapper/111:06:441
15769992923,5cyclictest0-21swapper/211:14:142
1576499291,27cyclictest0-21swapper/107:36:051
1576499291,22cyclictest0-21swapper/110:32:371
1576499290,3cyclictest0-21swapper/112:14:021
1576499290,23cyclictest0-21swapper/112:21:551
1576499290,15cyclictest0-21swapper/110:55:491
1576999281,26cyclictest0-21swapper/210:41:272
1576999281,25cyclictest0-21swapper/209:10:212
1576499282,9cyclictest16146-21kworker/1:210:17:041
1576499281,3cyclictest0-21swapper/111:22:381
1576499281,22cyclictest0-21swapper/111:42:441
15764992810,16cyclictest16146-21kworker/1:210:01:471
1576499280,27cyclictest0-21swapper/112:07:391
15769992723,3cyclictest0-21swapper/207:20:112
1576999270,26cyclictest0-21swapper/208:38:472
1576999270,26cyclictest0-21swapper/207:52:562
1576499271,3cyclictest0-21swapper/109:45:211
1576499271,3cyclictest0-21swapper/107:57:431
1576499270,7cyclictest0-21swapper/109:37:231
1576499270,3cyclictest0-21swapper/109:44:241
1576499270,26cyclictest0-21swapper/110:26:121
1576499270,26cyclictest0-21swapper/110:24:341
1576499270,26cyclictest0-21swapper/108:21:321
1576499270,26cyclictest0-21swapper/107:26:261
1576499270,26cyclictest0-21swapper/107:15:561
1576499270,16cyclictest0-21swapper/110:54:301
1576999260,2cyclictest10676-21ssh11:30:342
1576499261,3cyclictest0-21swapper/111:38:171
1576499260,3cyclictest0-21swapper/110:40:551
1576499260,2cyclictest0-21swapper/112:15:541
1576499260,25cyclictest0-21swapper/111:54:351
1576499260,25cyclictest0-21swapper/108:55:451
1576499260,19cyclictest0-21swapper/109:24:241
1576499260,12cyclictest0-21swapper/111:34:061
1576999259,8cyclictest15617-21lldpd11:37:522
1576999251,1cyclictest30327-21ssh10:11:462
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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