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2026-06-21 - 08:07

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #f, slot #7

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.

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 376 highest latencies:
System rackfslot7s.osadl.org (updated Sun Jun 21, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
368227899454421,4516cyclictest3769655-21kworker/0:1+events00:10:140
368227899393218,3908cyclictest3775755-21kworker/0:0+events00:00:120
368228499370318,3680cyclictest3772905-21kworker/1:1+events23:55:171
368228499367518,3648cyclictest3751944-21kworker/1:1+events22:45:191
368229299364517,3622cyclictest3717930-21kworker/3:0+events21:15:173
368227899357818,3555cyclictest3710138-21kworker/0:0+events20:40:170
368229299337116,3350cyclictest3734420-21kworker/3:0+events21:50:183
368229299336517,3343cyclictest3732787-21kworker/3:2+events21:45:003
368228499336115,3343cyclictest3774777-21kworker/1:0+events00:05:121
368228499332616,3305cyclictest3772905-21kworker/1:1+events23:50:171
368227899328016,3260cyclictest3768032-21kworker/0:0+events23:35:110
368229299319716,3178cyclictest3688617-21kworker/3:2+events19:30:203
368227899319416,3173cyclictest3740922-21kworker/0:2+events22:25:110
368228899319315,3173cyclictest3766282-21kworker/2:0+events23:30:182
368229299313515,3116cyclictest3703402-21kworker/3:2+events20:13:473
368228499311114,3093cyclictest3777375-21kworker/1:2+events00:15:131
368228499298515,2968cyclictest3740827-21kworker/1:0+events22:10:221
368227899295414,2935cyclictest3753361-21kworker/0:2+events22:58:110
368228899289114,2872cyclictest3690310-21kworker/2:2+events19:35:142
368227899288114,2863cyclictest3729650-21kworker/0:1+events21:43:050
368229299288010,2866cyclictest3714729-21kworker/3:2+events20:53:573
368228499286414,2845cyclictest3680149-21kworker/1:2+events19:28:251
368228899286213,2845cyclictest3722568-21kworker/2:0+events21:55:172
368229299285814,2840cyclictest3743909-21kworker/3:2+events22:20:153
368227899285113,2834cyclictest3726184-21kworker/0:0+events21:26:420
368227899285013,2833cyclictest3722719-21kworker/0:1+events21:21:230
368228899284713,2829cyclictest3722568-21kworker/2:0+events21:44:132
368227899284713,2830cyclictest3686915-21kworker/0:1+events19:27:150
368227899284613,2829cyclictest3756971-21kworker/0:1+events23:08:490
368227899284613,2829cyclictest3712004-21kworker/0:2+events20:49:460
368227899284513,2828cyclictest3753361-21kworker/0:2+events23:01:170
368227899284313,2826cyclictest3737353-21kworker/0:0+events22:06:550
368227899284213,2825cyclictest3717721-21kworker/0:2+events21:14:550
368228899284113,2824cyclictest3742402-21kworker/2:0+events22:17:142
36822889928405,2831cyclictest3724419-21kworker/2:2+events21:17:342
368227899284013,2823cyclictest3740922-21kworker/0:2+events22:16:040
368227899284013,2823cyclictest3729650-21kworker/0:1+events21:56:480
368227899283513,2819cyclictest3753361-21kworker/0:2+events22:51:240
36822889928348,2822cyclictest3703520-21kworker/2:0+events20:17:592
36822889928348,2822cyclictest3703520-21kworker/2:0+events20:17:592
368227899282413,2807cyclictest3726184-21kworker/0:0+events21:37:210
368229299282313,2808cyclictest3760226-21kworker/3:1+events23:20:323
368228899282314,2802cyclictest3690310-21kworker/2:2+events19:48:562
368227899281812,2802cyclictest3747208-21kworker/0:1+events22:30:120
368228899281715,2798cyclictest3760150-21kworker/2:1+events23:44:592
36822849928150,2811cyclictest3721149-21kworker/1:0+events21:32:031
368228499281213,2795cyclictest3693301-21kworker/1:1+events20:02:091
36822889928117,2800cyclictest3776051-21kworker/2:1+events00:03:402
36822889928110,2807cyclictest3716362-21kworker/2:1+events21:11:272
368227899281013,2794cyclictest3695656-21kworker/0:2+events19:52:230
368229299280913,2794cyclictest3717930-21kworker/3:0+events21:25:103
36822889928090,2805cyclictest3722568-21kworker/2:0+events22:02:482
368228899280713,2790cyclictest3718023-21kworker/2:2+events21:09:102
36822789928070,2803cyclictest3717721-21kworker/0:2+events21:02:420
368228899280613,2789cyclictest3742402-21kworker/2:0+events22:13:482
36822789928050,2801cyclictest3690283-21kworker/0:2+events19:43:580
368228899280213,2785cyclictest3776051-21kworker/2:1+events00:24:462
368227899280213,2785cyclictest3706532-21kworker/0:0+events20:22:510
368228899280113,2784cyclictest3716362-21kworker/2:1+events20:59:392
368227899280113,2784cyclictest3780649-21kworker/0:0+events00:21:420
368227899280013,2784cyclictest3685293-21kworker/0:2+events19:24:550
368227899279913,2782cyclictest3735748-21kworker/0:2+events21:53:000
368227899279813,2781cyclictest3717721-21kworker/0:2+events20:56:590
368227899279813,2781cyclictest3710138-21kworker/0:0+events20:50:320
368228899279713,2780cyclictest3752176-21kworker/2:2+events23:04:402
368227899279713,2780cyclictest3769655-21kworker/0:1+events23:51:260
368227899279713,2780cyclictest3729650-21kworker/0:1+events22:04:170
368227899279713,2780cyclictest3729650-21kworker/0:1+events21:46:090
368227899279712,2781cyclictest3761855-21kworker/0:0+events23:23:540
368228899279613,2781cyclictest3708244-21kworker/2:2+events20:30:032
368227899279613,2779cyclictest3747208-21kworker/0:1+events22:37:270
368227899279613,2779cyclictest3745539-21kworker/0:0+events22:24:250
368227899279113,2774cyclictest3686915-21kworker/0:1+events19:33:450
368227899279012,2774cyclictest3682124-21kworker/0:0+events19:17:380
368227899279011,2776cyclictest3691889-21kworker/0:0+events19:55:220
368227899278913,2772cyclictest3766342-21kworker/0:1+events23:28:280
368227899278813,2771cyclictest3779009-21kworker/0:2+events00:09:270
368228499278612,2770cyclictest3732699-21kworker/1:1+events21:53:211
368228899278513,2768cyclictest3760150-21kworker/2:1+events23:47:152
368227899278512,2769cyclictest3747208-21kworker/0:1+events22:42:200
368228899278113,2763cyclictest3761798-21kworker/2:2+events23:15:172
368227899278113,2764cyclictest3740922-21kworker/0:2+events22:14:120
368228899277813,2761cyclictest3718023-21kworker/2:2+events21:00:242
368227899277413,2757cyclictest3693536-21kworker/0:1+events19:49:420
368228899276913,2752cyclictest3760150-21kworker/2:1+events23:35:342
368228499276813,2751cyclictest3757032-21kworker/1:1+events23:22:011
368229299276613,2748cyclictest3688617-21kworker/3:2+events19:40:123
368228899276513,2748cyclictest3690310-21kworker/2:2+events19:53:522
368227899275912,2743cyclictest3747208-21kworker/0:1+events22:45:420
368227899275011,2735cyclictest3706532-21kworker/0:0+events20:26:380
368227899274913,2733cyclictest3702031-21kworker/0:0+events20:11:570
368228499274513,2728cyclictest3714578-21kworker/1:1+events20:54:201
368228499274413,2726cyclictest3721149-21kworker/1:0+events21:22:091
368228899274012,2724cyclictest3750381-21kworker/2:0+events22:46:302
368227899274012,2723cyclictest3753361-21kworker/0:2+events23:12:150
368228499273810,2724cyclictest3782221-21kworker/1:1+events00:30:261
368227899272910,2715cyclictest3717721-21kworker/0:2+events21:06:540
368228499272813,2711cyclictest3712981-21kworker/1:2+events20:45:111
368228899272612,2710cyclictest3713037-21kworker/2:2+events20:41:492
368228499272213,2705cyclictest3734361-21kworker/1:0+events21:57:111
368228499272113,2704cyclictest3717781-21kworker/1:2+events21:08:241
368229299272013,2703cyclictest3772666-21kworker/3:2+events23:49:533
368229299272012,2704cyclictest3748840-21kworker/3:0+events22:43:053
368229299271913,2702cyclictest3688617-21kworker/3:2+events19:38:423
368228499271813,2701cyclictest3721149-21kworker/1:0+events21:19:061
368228499271813,2701cyclictest3700442-21kworker/1:0+events20:36:301
368229299271713,2700cyclictest3777590-21kworker/3:0+events00:04:033
368228499271713,2700cyclictest3750288-21kworker/1:0+events22:39:411
368229299271612,2700cyclictest3677107-21kworker/3:1+events19:23:443
368228499271313,2696cyclictest3769534-21kworker/1:2+events23:49:311
368229299271113,2694cyclictest3701673-21kworker/3:0+events20:09:403
368229299271013,2693cyclictest3714729-21kworker/3:2+events21:08:463
36822929927098,2697cyclictest3727834-21kworker/3:1+events21:49:343
368229299270913,2692cyclictest3743909-21kworker/3:2+events22:31:183
368229299270913,2692cyclictest3739520-21kworker/3:3+events22:06:353
368228899270913,2692cyclictest3742402-21kworker/2:0+events22:30:342
368228899270912,2693cyclictest3713037-21kworker/2:2+events20:47:302
368229299270813,2691cyclictest3780557-21kworker/3:1+events00:20:563
368229299270812,2692cyclictest3783982-21kworker/3:2+events00:27:243
368229299270713,2690cyclictest3703402-21kworker/3:2+events20:16:043
368229299270713,2690cyclictest3703402-21kworker/3:2+events20:16:043
368229299270612,2690cyclictest3710234-21kworker/3:1+events20:36:083
368229299270611,2691cyclictest3705004-21kworker/3:0+events20:24:003
368228499270613,2689cyclictest3786421-21kworker/1:0+events00:38:101
368229299270312,2687cyclictest3700090-21kworker/3:1+events20:04:023
368228499270213,2685cyclictest3693301-21kworker/1:1+events20:13:251
368229299270013,2683cyclictest3769716-21kworker/3:1+events23:51:023
368229299270013,2683cyclictest3760226-21kworker/3:1+events23:13:503
368229299269912,2683cyclictest3677107-21kworker/3:1+events19:13:083
368228499269813,2681cyclictest3721149-21kworker/1:0+events21:14:311
368228499269413,2677cyclictest3734361-21kworker/1:0+events21:49:551
368229299269313,2676cyclictest3727834-21kworker/3:1+events21:31:393
368228499269311,2678cyclictest3767845-21kworker/1:0+events23:34:041
368229299269013,2673cyclictest3723371-21kworker/3:2+events21:20:143
368228499268916,2669cyclictest3721149-21kworker/1:0+events21:41:581
368228499268813,2671cyclictest3700442-21kworker/1:0+events20:27:231
368228499268811,2673cyclictest3704943-21kworker/1:2+events20:18:451
368228499268811,2673cyclictest3704943-21kworker/1:2+events20:18:441
368229299268113,2664cyclictest3772666-21kworker/3:2+events00:10:593
368228499267912,2663cyclictest3744124-21kworker/1:1+events22:32:281
368229299267812,2662cyclictest3743909-21kworker/3:2+events22:28:193
368228499267813,2661cyclictest3708484-21kworker/1:2+events20:33:501
368228499267713,2660cyclictest3695221-21kworker/1:0+events19:50:271
368228499267712,2661cyclictest3780619-21kworker/1:0+events00:14:261
368228499267613,2659cyclictest3704943-21kworker/1:2+events20:20:141
368228499267612,2660cyclictest3769534-21kworker/1:2+events23:43:081
368228499267513,2658cyclictest3700442-21kworker/1:0+events20:07:271
368228499267512,2660cyclictest3687187-21kworker/1:1+events19:34:521
368229299267413,2657cyclictest3780557-21kworker/3:1+events00:17:533
368229299267413,2657cyclictest3695353-21kworker/3:0+events19:53:293
368228499267413,2657cyclictest3753541-21kworker/1:2+events22:51:461
368228499267412,2658cyclictest3740827-21kworker/1:0+events22:21:221
368228899267313,2656cyclictest3760150-21kworker/2:1+events23:23:102
368228499267312,2657cyclictest3695221-21kworker/1:0+events19:57:361
368229299267213,2655cyclictest3760226-21kworker/3:1+events23:17:083
368228499267212,2656cyclictest3744124-21kworker/1:1+events22:27:091
368228499267212,2656cyclictest3735987-21kworker/1:2+events22:03:321
368229299267113,2654cyclictest3714729-21kworker/3:2+events21:02:203
368228499267013,2655cyclictest3758655-21kworker/1:2+events23:05:041
368228499266913,2652cyclictest3721149-21kworker/1:0+events21:36:581
368228499266813,2651cyclictest3765092-21kworker/1:3+events23:26:091
368229299266713,2650cyclictest3775903-21kworker/3:1+events23:59:053
368229299266710,2653cyclictest3737696-21kworker/3:0+events22:03:573
368228499266513,2648cyclictest3680149-21kworker/1:2+events19:45:511
368228499266512,2649cyclictest3757032-21kworker/1:1+events23:10:441
368229299266413,2648cyclictest3750527-21kworker/3:2+events22:48:233
368229299266413,2647cyclictest3766433-21kworker/3:2+events23:28:503
368229299266413,2647cyclictest3750527-21kworker/3:2+events22:57:253
368229299266410,2650cyclictest3697487-21kworker/3:2+events19:56:273
36822889926649,2652cyclictest3782190-21kworker/2:0+events00:17:312
368228899266313,2648cyclictest3761798-21kworker/2:2+events23:25:022
368228499266213,2645cyclictest3763155-21kworker/1:2+events23:19:231
368227899266213,2645cyclictest3686915-21kworker/0:1+events19:37:560
368229299266113,2645cyclictest3742313-21kworker/3:1+events22:14:343
368229299266113,2644cyclictest3769716-21kworker/3:1+events23:41:593
368229299266112,2646cyclictest3758626-21kworker/3:0+events23:05:273
368228499266113,2644cyclictest3757032-21kworker/1:1+events23:37:021
36822929926604,2652cyclictest3708544-21kworker/3:2+events20:31:563
368229299266013,2643cyclictest3729434-21kworker/3:0+events21:39:173
368228899265913,2642cyclictest3687067-21kworker/2:0+events19:26:532
368228499265912,2643cyclictest3740827-21kworker/1:0+events22:08:061
368228499265912,2643cyclictest3717781-21kworker/1:2+events21:03:061
368228899265513,2636cyclictest3691947-21kworker/2:0+events19:43:132
368227899265513,2638cyclictest3769655-21kworker/0:1+events23:45:200
368228499265313,2636cyclictest3700442-21kworker/1:0+events20:42:341
368228899265113,2634cyclictest3774179-21kworker/2:0+events23:52:352
368229299264712,2632cyclictest3768091-21kworker/3:0+events23:39:183
368228499264710,2633cyclictest3680149-21kworker/1:2+events19:36:021
368229299264512,2629cyclictest3768091-21kworker/3:0+events23:34:253
368228899264213,2625cyclictest3760150-21kworker/2:1+events23:14:112
368228899263712,2621cyclictest3722568-21kworker/2:0+events21:25:552
368227899263412,2618cyclictest3761855-21kworker/0:0+events23:19:000
368228899263012,2614cyclictest3729380-21kworker/2:1+events21:32:482
368228899262312,2607cyclictest3739466-21kworker/2:2+events22:09:152
368227899262113,2604cyclictest3769655-21kworker/0:1+events23:43:310
368228899262013,2603cyclictest3776051-21kworker/2:1+events00:11:212
368228899262012,2604cyclictest3724419-21kworker/2:2+events21:24:492
368228899261913,2602cyclictest3756941-21kworker/2:0+events22:59:202
368228899261713,2600cyclictest3705247-21kworker/2:1+events20:25:082
368228899261413,2598cyclictest3776051-21kworker/2:1+events00:29:432
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368229299260013,2583cyclictest3747238-21kworker/3:1+events22:36:393
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368227899259111,2576cyclictest3710138-21kworker/0:0+events20:37:170
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368227899258112,2565cyclictest3787096-21kworker/0:0+events00:38:340
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368227899257512,2559cyclictest3769655-21kworker/0:1+events23:55:400
368228899257412,2559cyclictest3676962-21kworker/2:1+events19:13:532
368228899257211,2557cyclictest3714698-21kworker/2:0+events20:53:342
368228899257210,2558cyclictest3703520-21kworker/2:0+events20:36:532
368227899257112,2556cyclictest3667708-21kworker/0:1+events19:15:000
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36822929925649,2551cyclictest3714729-21kworker/3:2+events20:58:293
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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