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2024-04-25 - 11:22
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot3.osadl.org (updated Thu Apr 25, 2024 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20510142410389,14sleep70-21swapper/719:06:0513
20513222408388,14sleep140-21swapper/1419:09:576
20511922404384,13sleep10-21swapper/119:08:081
20513162400381,12sleep90-21swapper/919:09:5215
20512822365346,13sleep130-21swapper/1319:09:235
20488142349342,4sleep60-21swapper/619:05:1612
20510602347325,15sleep150-21swapper/1519:06:457
20509902344324,14sleep50-21swapper/519:05:4711
20511602342323,13sleep100-21swapper/1019:07:452
20511852341321,14sleep120-21swapper/1219:08:024
20510952337316,14sleep20-21swapper/219:07:048
20510182337328,6sleep110-21swapper/1119:06:083
20513152335315,13sleep80-21swapper/819:09:5114
20512902334314,14sleep40-21swapper/419:09:3110
20511442329309,13sleep00-21swapper/019:07:350
20510292328309,13sleep30-21swapper/319:06:169
22690592640,0sleep4441rcuc/422:25:2610
23734132570,0sleep10-21swapper/123:30:161
22696762550,0sleep80-21swapper/822:25:3114
21946792550,0sleep140-21swapper/1421:40:136
205154999426,11cyclictest0-21swapper/1421:14:526
205154999415,11cyclictest0-21swapper/1423:26:396
205154999415,11cyclictest0-21swapper/1400:32:336
205154999404,11cyclictest0-21swapper/1419:57:596
205154999394,10cyclictest0-21swapper/1421:47:486
205154999390,24cyclictest0-21swapper/1423:04:416
24593692340,0sleep20-21swapper/200:25:018
23458982340,0sleep30-21swapper/323:14:339
22520142340,0sleep10-21swapper/122:15:151
205154999340,8cyclictest0-21swapper/1421:58:486
24730752330,0sleep50-21swapper/500:32:0111
205154999330,8cyclictest0-21swapper/1419:14:036
2051546993313,20cyclictest0-21swapper/1100:16:473
21554872320,0sleep40-21swapper/421:16:3310
22516382310,0sleep150-21swapper/1522:15:127
21617792310,0sleep70-21swapper/721:20:2213
205154899310,31cyclictest0-21swapper/1323:55:165
205154999306,11cyclictest0-21swapper/1400:10:356
24153812290,0sleep150-21swapper/1523:55:527
205154999295,11cyclictest0-21swapper/1423:59:366
205154999295,11cyclictest0-21swapper/1422:53:436
205154999294,0cyclictest0-21swapper/1420:30:576
2051546992917,12cyclictest1606-21ladvd20:33:353
205154999284,11cyclictest0-21swapper/1420:08:596
205154999284,11cyclictest0-21swapper/1419:36:016
205154999284,11cyclictest0-21swapper/1419:25:036
205154999284,0cyclictest0-21swapper/1420:19:576
205154999283,12cyclictest0-21swapper/1422:42:446
22643262270,0sleep20-21swapper/222:23:338
23373792260,0sleep20-21swapper/223:08:568
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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