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2025-12-15 - 07:27
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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 Mon Dec 15, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36868369947426,29cyclictest0-21swapper/120:50:191
36868709947225,29cyclictest0-21swapper/1021:20:182
36868369947022,29cyclictest0-21swapper/121:25:401
36868709946925,30cyclictest0-21swapper/1022:15:562
36868889946825,30cyclictest0-21swapper/1422:43:396
36868789946016,29cyclictest0-21swapper/1121:01:563
36868709945815,30cyclictest0-21swapper/1023:56:562
36868709945812,29cyclictest0-21swapper/1000:10:412
36868709945713,30cyclictest0-21swapper/1022:30:562
3686870994554,30cyclictest0-21swapper/1022:14:402
3686870994554,30cyclictest0-21swapper/1022:14:402
3686847994542,30cyclictest0-21swapper/422:42:4210
3686878994539,30cyclictest0-21swapper/1121:23:563
3686878994528,444cyclictest0-21swapper/1121:05:563
3686836994529,59cyclictest0-21swapper/121:38:561
36868889945125,29cyclictest0-21swapper/1419:30:186
3686862994519,29cyclictest0-21swapper/800:30:4014
3686847994512,29cyclictest0-21swapper/420:30:3910
36868479945121,30cyclictest0-21swapper/423:46:1910
3686862994505,30cyclictest0-21swapper/822:39:2014
3686847994503,30cyclictest0-21swapper/421:59:1910
3686847994493,29cyclictest0-21swapper/420:13:1810
3686847994493,29cyclictest0-21swapper/400:24:1810
36868859944823,29cyclictest0-21swapper/1300:16:415
368684499448446,1cyclictest3876697-21kworker/3:2+i915-unordered23:11:399
3686836994482,29cyclictest0-21swapper/123:24:171
36868369944821,30cyclictest0-21swapper/123:15:411
36868889944718,30cyclictest0-21swapper/1419:23:186
36868449944723,423cyclictest0-21swapper/321:49:399
3686836994475,30cyclictest0-21swapper/100:27:551
3686870994467,29cyclictest0-21swapper/1022:26:562
36868709944626,419cyclictest0-21swapper/1022:47:172
3686870994461,30cyclictest0-21swapper/1021:15:182
36868449944625,420cyclictest0-21swapper/321:37:419
36868369944626,419cyclictest0-21swapper/122:49:181
36868449944525,419cyclictest0-21swapper/320:38:199
36868449944524,420cyclictest0-21swapper/323:58:389
36868449944524,420cyclictest0-21swapper/323:53:389
36868709944424,419cyclictest0-21swapper/1023:00:412
36868889944225,415cyclictest0-21swapper/1420:41:386
36868889944221,0cyclictest0-21swapper/1421:18:386
368688599442440,2cyclictest0-21swapper/1300:30:095
36868709944222,419cyclictest0-21swapper/1022:08:192
36868709944222,419cyclictest0-21swapper/1022:08:192
36868709944221,420cyclictest0-21swapper/1022:22:392
368687899441438,2cyclictest3715700-21kworker/11:0+i915-unordered19:45:423
36868369944120,420cyclictest0-21swapper/100:04:401
36868889944023,414cyclictest0-21swapper/1422:13:206
36868889944023,414cyclictest0-21swapper/1422:13:206
368687899440438,1cyclictest3908899-21kworker/11:2+i915-unordered23:42:413
36868709944021,418cyclictest0-21swapper/1023:22:412
36868709944018,421cyclictest0-21swapper/1020:15:382
368686599440437,3cyclictest0-21swapper/900:30:0915
36868629944020,419cyclictest0-21swapper/822:46:4014
36868889943923,413cyclictest0-21swapper/1422:32:406
36868709943916,29cyclictest0-21swapper/1023:25:422
36868629943919,419cyclictest0-21swapper/800:04:1814
36868559943922,416cyclictest0-21swapper/622:38:5612
36868479943918,30cyclictest0-21swapper/419:15:1810
36868479943918,30cyclictest0-21swapper/419:15:1810
36868369943819,418cyclictest0-21swapper/122:24:511
36868889943720,414cyclictest0-21swapper/1423:33:406
36868889943718,416cyclictest0-21swapper/1400:14:376
36868629943718,419cyclictest0-21swapper/823:47:1914
36868559943720,416cyclictest0-21swapper/620:27:5612
36868559943720,416cyclictest0-21swapper/600:26:5512
36868889943618,416cyclictest0-21swapper/1400:09:186
368687899436434,1cyclictest3888961-21kworker/11:2+i915-unordered23:20:403
368687899436434,1cyclictest3840605-21kworker/11:2+i915-unordered22:18:193
36868789943625,410cyclictest0-21swapper/1100:31:553
36868709943618,416cyclictest0-21swapper/1022:55:172
3686847994369,30cyclictest0-21swapper/420:25:1810
3686847994369,30cyclictest0-21swapper/419:27:4210
36868449943516,418cyclictest0-21swapper/320:30:179
36868369943516,416cyclictest0-21swapper/121:10:181
36868339943519,415cyclictest0-21swapper/000:22:550
36868629943422,411cyclictest0-21swapper/820:33:4014
36868629943315,418cyclictest0-21swapper/821:42:1914
36868629943315,418cyclictest0-21swapper/821:31:4314
36868709943113,416cyclictest0-21swapper/1021:34:412
36868629943113,417cyclictest0-21swapper/800:38:2014
36868629943011,419cyclictest0-21swapper/820:44:1814
36868819942914,415cyclictest0-21swapper/1200:30:554
3686878994296,30cyclictest0-21swapper/1123:17:563
3686870994298,29cyclictest0-21swapper/1020:48:562
3686878994288,419cyclictest0-21swapper/1122:25:183
3686847994282,30cyclictest0-21swapper/422:19:1910
3686836994287,420cyclictest0-21swapper/122:16:191
3686862994277,29cyclictest0-21swapper/819:13:1914
3686862994277,29cyclictest0-21swapper/819:13:1914
3686844994276,420cyclictest0-21swapper/322:33:399
3686836994276,420cyclictest0-21swapper/122:38:411
3686836994271,29cyclictest0-21swapper/122:55:391
3686844994267,418cyclictest0-21swapper/320:52:419
3686844994265,420cyclictest0-21swapper/300:03:209
3686836994268,417cyclictest0-21swapper/123:59:391
36868369942629,396cyclictest0-21swapper/123:36:401
3686836994261,28cyclictest0-21swapper/120:22:401
3686836994260,29cyclictest0-21swapper/122:52:181
3686844994256,418cyclictest0-21swapper/323:07:189
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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