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2024-04-20 - 08:48
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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 100 highest latencies:
System rack0slot4.osadl.org (updated Sat Apr 20, 2024 00:46:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18745032345322,15sleep90-21swapper/919:07:4715
18745762344320,15sleep50-21swapper/519:08:4711
18746122342318,15sleep40-21swapper/419:09:1810
18745042342318,15sleep100-21swapper/1019:07:482
18744722342320,14sleep10-21swapper/119:07:231
18744642342316,16sleep120-21swapper/1219:07:174
18744542342318,15sleep20-21swapper/219:07:078
18744432342319,14sleep80-21swapper/819:06:5714
18744482341317,15sleep130-21swapper/1319:07:025
18746572340316,15sleep60-21swapper/619:09:5312
18745782340317,14sleep70-21swapper/719:08:4913
18746202338315,15sleep110-21swapper/1119:09:253
18745452338315,14sleep140-21swapper/1419:08:246
18744312338314,15sleep150-21swapper/1519:06:487
18745302336313,15sleep00-21swapper/019:08:100
18744552336312,15sleep30-21swapper/319:07:089
1875051995453,1cyclictest2106038-21kworker/u32:5+flush-259:023:31:1512
1875064994747,0cyclictest0-21swapper/1021:27:112
1875064994545,0cyclictest0-21swapper/1021:47:272
1875064994545,0cyclictest0-21swapper/1021:47:272
1875062994444,0cyclictest0-21swapper/920:33:2915
1875074994334,4cyclictest201rcu_preempt22:40:315
1875062994342,0cyclictest0-21swapper/923:49:3415
1875074994238,4cyclictest0-21swapper/1323:31:055
1875071994238,4cyclictest0-21swapper/1200:02:384
1875062994241,1cyclictest0-21swapper/923:52:3015
1875074994141,0cyclictest0-21swapper/1319:15:195
1875042994141,0cyclictest0-21swapper/323:43:269
1875071994039,1cyclictest2085214-21kworker/u32:0+events_unbound23:32:444
1875062994040,0cyclictest0-21swapper/900:22:4615
1875074993935,4cyclictest0-21swapper/1321:49:115
1875074993935,4cyclictest0-21swapper/1321:49:115
1875074993935,4cyclictest0-21swapper/1319:10:235
1875071993939,0cyclictest0-21swapper/1223:43:264
1875064993939,0cyclictest0-21swapper/1020:14:312
1875042993939,0cyclictest0-21swapper/320:33:299
1875042993937,2cyclictest0-21swapper/319:32:019
1875074993835,3cyclictest0-21swapper/1321:28:175
1875074993834,4cyclictest0-21swapper/1320:35:135
1875071993838,0cyclictest0-21swapper/1223:52:304
1875071993838,0cyclictest0-21swapper/1223:49:344
1875062993838,0cyclictest0-21swapper/921:58:4715
1875062993837,0cyclictest0-21swapper/920:35:3515
1875042993838,0cyclictest0-21swapper/321:56:479
1875042993835,3cyclictest0-21swapper/323:55:589
1875074993735,2cyclictest0-21swapper/1300:06:405
1875074993733,4cyclictest0-21swapper/1320:45:195
1875074993733,4cyclictest0-21swapper/1320:40:255
1875074993733,4cyclictest0-21swapper/1319:45:275
1875074993733,0cyclictest0-21swapper/1321:50:235
1875074993731,2cyclictest141-21ksoftirqd/1319:22:175
1875071993737,0cyclictest0-21swapper/1222:10:254
1875071993737,0cyclictest0-21swapper/1220:41:294
1875062993737,0cyclictest0-21swapper/921:34:3915
1875081993628,1cyclictest1996435-21kworker/15:0+events21:31:037
187507199360,36cyclictest1905675-21kworker/12:1+mm_percpu_wq21:50:554
1875069993636,0cyclictest0-21swapper/1121:34:393
1875069993636,0cyclictest0-21swapper/1120:33:293
1875062993636,0cyclictest0-21swapper/920:22:1715
1875081993534,1cyclictest1839449-21kworker/15:1+events20:20:157
1875074993533,0cyclictest0-21swapper/1319:55:275
1875074993532,3cyclictest0-21swapper/1300:26:575
1875074993532,3cyclictest0-21swapper/1300:20:175
1875074993531,4cyclictest0-21swapper/1319:30:255
1875074993527,4cyclictest2158613-21kworker/13:1+mm_percpu_wq00:00:235
1875074993512,19cyclictest1883268-21kworker/u32:4+events_unbound19:42:395
1875071993535,0cyclictest0-21swapper/1200:22:464
187507199350,35cyclictest0-21swapper/1221:56:474
1875069993535,0cyclictest0-21swapper/1123:43:263
1875069993535,0cyclictest0-21swapper/1100:02:383
1875062993535,0cyclictest0-21swapper/923:29:4415
1875062993535,0cyclictest0-21swapper/922:40:1715
1875062993535,0cyclictest0-21swapper/900:10:0615
1875042993535,0cyclictest0-21swapper/320:35:359
1875042993535,0cyclictest0-21swapper/300:17:509
1875042993535,0cyclictest0-21swapper/300:10:069
1875081993433,1cyclictest2055001-21kworker/15:1+events23:05:197
1875081993433,1cyclictest1839449-21kworker/15:1+events19:40:157
1875081993433,1cyclictest1839449-21kworker/15:1+events19:23:057
1875074993432,2cyclictest0-21swapper/1322:20:015
1875074993432,2cyclictest0-21swapper/1321:31:035
1875074993430,4cyclictest0-21swapper/1320:05:275
1875074993430,0cyclictest0-21swapper/1321:00:155
1875074993422,4cyclictest0-21swapper/1322:11:195
1875074993418,12cyclictest2147119-21dump-pmu-power23:44:555
1875071993434,0cyclictest0-21swapper/1223:23:504
1875071993434,0cyclictest0-21swapper/1220:10:074
1875069993434,0cyclictest0-21swapper/1123:49:343
1875062993434,0cyclictest0-21swapper/921:18:0715
187505499343,27cyclictest2181362-21kworker/u32:2+flush-259:000:20:0013
1875042993434,0cyclictest0-21swapper/320:44:319
1875042993434,0cyclictest0-21swapper/300:30:329
1875081993332,1cyclictest2055001-21kworker/15:1+events22:55:137
1875081993332,1cyclictest2055001-21kworker/15:1+events00:13:187
1875081993332,1cyclictest2016306-21kworker/15:1+events22:05:137
1875074993329,4cyclictest0-21swapper/1320:25:195
1875074993329,4cyclictest0-21swapper/1300:18:475
1875074993325,4cyclictest0-21swapper/1321:19:275
1875074993318,15cyclictest0-21swapper/1320:21:515
1875071993333,0cyclictest0-21swapper/1219:56:554
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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