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2026-05-01 - 06:08
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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: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot5.osadl.org (updated Fri May 01, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27379199542541,1cyclictest447614-21kworker/2:2+i915-unordered22:42:398
2738449949512,482cyclictest0-21swapper/1519:11:397
2737829948912,476cyclictest0-21swapper/022:42:390
27380699482481,1cyclictest294639-21kworker/6:0+i915-unordered19:34:3912
27380699482481,1cyclictest294639-21kworker/6:0+i915-unordered19:34:3912
2738219947619,59cyclictest0-21swapper/1019:16:012
2738389947427,446cyclictest142-21ksoftirqd/1321:45:395
2738289947123,447cyclictest124-21ksoftirqd/1123:51:393
2737829946316,29cyclictest0-21swapper/019:55:220
2738449946210,60cyclictest160-21ksoftirqd/1519:37:397
2738449946210,60cyclictest160-21ksoftirqd/1519:37:397
2738389946218,30cyclictest0-21swapper/1320:26:395
273796994614,60cyclictest0-21swapper/300:19:219
2737829946123,30cyclictest0-21swapper/020:36:250
2737829946116,29cyclictest0-21swapper/023:03:220
2738429946017,29cyclictest0-21swapper/1421:55:396
2737829945912,29cyclictest0-21swapper/019:33:010
2737829945912,29cyclictest0-21swapper/019:33:010
2738109945614,29cyclictest0-21swapper/723:58:3413
273838994527,29cyclictest0-21swapper/1321:50:395
2738219945225,29cyclictest0-21swapper/1000:20:002
2738389945121,30cyclictest0-21swapper/1319:27:395
2738389945121,30cyclictest0-21swapper/1319:27:395
2738289944924,30cyclictest0-21swapper/1123:41:393
2737829944724,30cyclictest0-21swapper/021:29:240
273782994470,29cyclictest0-21swapper/020:04:010
2738109944625,29cyclictest0-21swapper/719:15:3913
273810994460,29cyclictest0-21swapper/720:53:3513
2737969944624,30cyclictest0-21swapper/320:33:359
2737829944622,29cyclictest0-21swapper/000:06:220
2738449944524,420cyclictest0-21swapper/1520:58:257
2738389944527,417cyclictest0-21swapper/1321:16:395
2738389944525,30cyclictest0-21swapper/1322:14:395
2738389944525,30cyclictest0-21swapper/1322:14:395
273782994455,439cyclictest0-21swapper/019:11:390
2737829944523,421cyclictest0-21swapper/020:19:000
2738289944424,419cyclictest0-21swapper/1121:34:003
2738219944416,30cyclictest0-21swapper/1022:00:232
2738289944317,425cyclictest124-21ksoftirqd/1120:47:393
2738219944317,29cyclictest0-21swapper/1000:33:232
2737829944317,30cyclictest0-21swapper/021:50:200
27384299442439,2cyclictest484805-21kworker/14:1+i915-unordered23:29:006
2738389944225,416cyclictest0-21swapper/1320:06:025
2738289944219,28cyclictest0-21swapper/1123:37:393
2737919944226,415cyclictest0-21swapper/200:10:398
27384299441439,1cyclictest298566-21kworker/u64:4+events_unbound19:46:236
2738389944119,30cyclictest0-21swapper/1322:32:395
2738219944114,29cyclictest0-21swapper/1022:39:232
27378299441440,0cyclictest0-21swapper/020:18:230
2737829944117,30cyclictest0-21swapper/000:27:000
2737829944116,30cyclictest0-21swapper/023:16:240
2738429944020,29cyclictest0-21swapper/1422:49:396
2738289944023,416cyclictest0-21swapper/1120:26:023
2738219944014,29cyclictest0-21swapper/1000:16:232
2738029944020,419cyclictest0-21swapper/519:36:0211
2738029944020,419cyclictest0-21swapper/519:36:0211
2738389943920,418cyclictest0-21swapper/1319:56:255
2737999943925,413cyclictest0-21swapper/419:47:3910
27378299439439,0cyclictest0-21swapper/023:30:230
2737829943920,418cyclictest0-21swapper/020:59:020
2737829943918,419cyclictest0-21swapper/020:44:020
2738029943816,421cyclictest0-21swapper/522:31:2611
2738029943816,421cyclictest0-21swapper/500:03:2111
2737969943825,413cyclictest0-21swapper/323:34:399
2737829943813,30cyclictest0-21swapper/022:52:210
27384299437436,1cyclictest0-21swapper/1419:34:396
27384299437436,1cyclictest0-21swapper/1419:34:396
2738029943716,419cyclictest0-21swapper/520:55:2311
2738029943716,418cyclictest0-21swapper/519:30:0311
2738029943716,418cyclictest0-21swapper/519:30:0311
2737829943712,29cyclictest0-21swapper/019:27:220
2737829943712,29cyclictest0-21swapper/019:27:220
2738029943613,420cyclictest0-21swapper/523:06:2111
2737829943612,30cyclictest0-21swapper/021:10:020
2738389943515,419cyclictest0-21swapper/1321:01:235
2738339943518,416cyclictest0-21swapper/1220:44:394
27380699435433,1cyclictest314747-21kworker/6:0+i915-unordered20:07:3912
273802994358,30cyclictest0-21swapper/521:37:0111
2738029943515,418cyclictest0-21swapper/523:48:0011
2738029943514,420cyclictest0-21swapper/521:55:0211
2738449943414,419cyclictest0-21swapper/1521:21:007
2738339943416,417cyclictest0-21swapper/1221:11:394
27381099434433,1cyclictest0-21swapper/720:04:3913
273802994348,30cyclictest0-21swapper/521:44:2411
273802994348,29cyclictest0-21swapper/521:08:0011
2737999943420,413cyclictest0-21swapper/421:15:3910
2737919943415,30cyclictest0-21swapper/200:27:398
2738449943312,420cyclictest0-21swapper/1520:03:357
2738109943314,29cyclictest0-21swapper/723:23:3513
27380699433431,1cyclictest302498-21kworker/6:2+i915-unordered19:49:3912
2738029943313,419cyclictest0-21swapper/519:28:0111
2738029943313,419cyclictest0-21swapper/519:28:0111
2738029943312,420cyclictest0-21swapper/519:53:2311
2737969943322,410cyclictest0-21swapper/320:56:399
2737879943321,412cyclictest0-21swapper/119:24:391
2737879943321,412cyclictest0-21swapper/119:24:391
2738449943211,420cyclictest0-21swapper/1520:27:007
2738289943213,418cyclictest0-21swapper/1121:39:253
2738289943212,419cyclictest0-21swapper/1119:33:233
2738289943212,419cyclictest0-21swapper/1119:33:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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