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2025-11-29 - 00:51
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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 rackcslot8.osadl.org (updated Fri Nov 28, 2025 12:49:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
957399347150,1cyclictest151rcu_preempt10:08:2818
957399347150,1cyclictest151rcu_preempt10:08:2818
957399347149,1cyclictest151rcu_preempt11:26:0718
2482912710,264ptp4l0-21swapper/107:06:551
9592991977,177cyclictest0-21swapper/2809:37:0921
9592991827,162cyclictest0-21swapper/2809:20:2221
9592991807,133cyclictest0-21swapper/2812:08:5721
94289917531,139cyclictest0-21swapper/309:45:1623
94289916932,81cyclictest0-21swapper/309:36:0923
94289916930,138cyclictest0-21swapper/308:47:1423
94289916629,97cyclictest0-21swapper/309:15:2223
94289916528,96cyclictest0-21swapper/309:45:0023
94289916426,111cyclictest0-21swapper/310:18:3723
94289916328,91cyclictest0-21swapper/311:37:3023
94289916328,91cyclictest0-21swapper/311:37:3023
94289916326,110cyclictest0-21swapper/307:17:2923
94289916226,92cyclictest0-21swapper/309:20:4123
94289915919,124cyclictest0-21swapper/312:26:2123
94289915836,88cyclictest0-21swapper/311:20:3723
94289915825,89cyclictest0-21swapper/311:57:1723
94289915720,107cyclictest0-21swapper/312:09:3423
95619915621,96cyclictest0-21swapper/2309:54:0916
957399151149,1cyclictest151rcu_preempt10:21:2818
957399151149,1cyclictest151rcu_preempt10:21:2718
95619915030,69cyclictest0-21swapper/2310:16:0416
9592991470,85cyclictest0-21swapper/2812:35:2621
95739914634,77cyclictest0-21swapper/2511:21:1918
95739914633,112cyclictest0-21swapper/2510:47:3818
95739914633,112cyclictest0-21swapper/2510:47:3818
9592991457,95cyclictest0-21swapper/2810:58:1021
9592991457,95cyclictest0-21swapper/2810:58:1021
9580991450,85cyclictest0-21swapper/2608:00:2319
94289914517,96cyclictest0-21swapper/308:14:3923
9580991440,86cyclictest0-21swapper/2607:35:1719
95739914431,111cyclictest0-21swapper/2510:39:3718
95739914431,111cyclictest0-21swapper/2510:39:3718
9555991430,82cyclictest0-21swapper/2211:57:3615
95739914230,69cyclictest0-21swapper/2510:13:2618
9592991417,101cyclictest0-21swapper/2811:22:1621
95739914129,75cyclictest0-21swapper/2511:35:1218
95739914129,75cyclictest0-21swapper/2511:35:1218
95739914128,107cyclictest0-21swapper/2511:49:3718
9412991410,82cyclictest0-21swapper/009:08:050
9592991400,80cyclictest0-21swapper/2808:50:2821
9580991400,83cyclictest0-21swapper/2610:00:0519
9580991400,81cyclictest0-21swapper/2608:25:1619
94129914051,57cyclictest0-21swapper/011:21:280
9592991397,96cyclictest0-21swapper/2811:04:3621
9592991397,96cyclictest0-21swapper/2811:04:3521
9580991390,77cyclictest0-21swapper/2612:35:5219
95739913827,100cyclictest0-21swapper/2512:35:0318
94289913816,91cyclictest22471-21taskset11:15:2023
94289913816,91cyclictest22471-21taskset11:15:1923
94129913851,60cyclictest0-21swapper/007:10:030
95809913759,59cyclictest0-21swapper/2608:20:1019
9580991370,81cyclictest0-21swapper/2611:00:2819
9580991370,81cyclictest0-21swapper/2611:00:2819
9580991370,80cyclictest0-21swapper/2610:52:5919
9580991370,80cyclictest0-21swapper/2610:52:5919
9573991370,81cyclictest0-21swapper/2510:34:1618
9573991370,81cyclictest0-21swapper/2510:34:1618
94129913744,59cyclictest0-21swapper/011:41:470
95809913630,62cyclictest0-21swapper/2609:40:3419
9580991360,80cyclictest0-21swapper/2609:31:1219
95619913645,54cyclictest0-21swapper/2307:30:2516
95619913631,63cyclictest0-21swapper/2309:47:1316
94129913654,61cyclictest0-21swapper/011:27:070
94129913649,53cyclictest0-21swapper/011:01:420
94129913649,53cyclictest0-21swapper/011:01:410
94129913622,65cyclictest0-21swapper/012:24:330
95809913542,56cyclictest0-21swapper/2611:30:2419
95809913524,61cyclictest0-21swapper/2610:41:1519
95809913524,61cyclictest0-21swapper/2610:41:1419
95739913534,63cyclictest0-21swapper/2509:52:0318
94429913521,113cyclictest0-21swapper/511:51:0527
9580991341,77cyclictest0-21swapper/2609:55:1619
9580991341,77cyclictest0-21swapper/2609:55:1619
9580991340,82cyclictest0-21swapper/2611:58:2719
9561991340,73cyclictest0-21swapper/2309:40:1616
94129913458,65cyclictest0-21swapper/011:35:230
94129913458,65cyclictest0-21swapper/011:35:230
95809913336,59cyclictest0-21swapper/2612:30:4819
95809913322,66cyclictest0-21swapper/2610:32:4119
95809913322,66cyclictest0-21swapper/2610:32:4119
9580991330,76cyclictest0-21swapper/2612:13:4119
95739913334,94cyclictest0-21swapper/2511:40:5518
95739913320,85cyclictest0-21swapper/2510:02:4418
95619913329,70cyclictest0-21swapper/2312:30:1216
95619913328,68cyclictest0-21swapper/2310:35:1816
95619913328,68cyclictest0-21swapper/2310:35:1816
95619913326,70cyclictest0-21swapper/2312:08:5016
95619913326,66cyclictest0-21swapper/2311:28:4516
94429913320,92cyclictest0-21swapper/512:27:4627
94429913320,78cyclictest0-21swapper/509:42:0627
94429913320,112cyclictest0-21swapper/511:26:5127
94129913347,63cyclictest0-21swapper/009:18:460
94129913338,62cyclictest0-21swapper/010:53:220
94129913338,62cyclictest0-21swapper/010:53:220
94129913329,66cyclictest0-21swapper/010:04:310
95809913229,64cyclictest0-21swapper/2609:20:0019
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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