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2026-06-28 - 19:55

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 highest latencies:
System rackfslot7s.osadl.org (updated Sun Jun 28, 2026 00:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
281608299426617,4241cyclictest2888870-21kworker/0:0+events22:55:130
281609299365117,3628cyclictest2909294-21kworker/3:1+events00:10:163
281608999333112,3314cyclictest2877284-21kworker/2:0+events22:20:192
281609299328315,3265cyclictest2841842-21kworker/3:1+events20:30:193
281608299323815,3218cyclictest2867471-21kworker/0:1+events21:55:570
281609299319616,3176cyclictest2906291-21kworker/3:2+events23:50:243
281609299317515,3158cyclictest2834087-21kworker/3:1+events20:05:223
281609299313015,3110cyclictest2846670-21kworker/3:2+events21:00:193
28160899931213,3114cyclictest2872437-21kworker/2:2+events22:10:012
281608999311815,3099cyclictest2881899-21kworker/2:1+events22:37:322
281608999310415,3085cyclictest2862819-21kworker/2:2+events21:47:352
281609299308515,3066cyclictest2868975-21kworker/3:0+events21:55:113
28160929930805,3070cyclictest2845048-21kworker/3:0+events20:58:473
281609299307913,3061cyclictest2856302-21kworker/3:0+events21:28:583
281609299306115,3042cyclictest2880156-21kworker/3:0+events22:31:073
281608599306015,3041cyclictest2867342-21kworker/1:1+events22:35:131
281608299303215,3013cyclictest2896873-21kworker/0:1+events23:59:370
281608999302712,3011cyclictest2862819-21kworker/2:2+events21:51:012
281608599302712,3011cyclictest2867342-21kworker/1:1+events21:47:591
281608299302215,3003cyclictest2819225-21kworker/0:2+events19:41:320
281608299301715,2997cyclictest2867471-21kworker/0:1+events22:01:190
281608599301614,2998cyclictest2894985-21kworker/1:0+events23:15:121
281608599301114,2995cyclictest2858141-21kworker/1:3+events21:20:061
281608599300815,2989cyclictest2828922-21kworker/1:0+events19:57:501
281608599300714,2989cyclictest2888903-21kworker/1:0+events23:03:401
281608599300614,2988cyclictest2840360-21kworker/1:2+events20:27:191
28160829930063,2999cyclictest2873874-21kworker/0:0+events22:37:110
281608299300614,2988cyclictest2899758-21kworker/0:2+events23:27:490
281608299300314,2985cyclictest2846610-21kworker/0:2+events20:46:200
281608999299014,2971cyclictest2848183-21kworker/2:1+events20:52:452
281609299298514,2967cyclictest2827120-21kworker/3:1+events19:44:283
281608599298113,2963cyclictest2841962-21kworker/1:1+events20:49:011
281608599296814,2950cyclictest2911621-21kworker/1:1+events00:15:141
281609299296312,2947cyclictest2875407-21kworker/3:2+events22:13:033
28160929929604,2951cyclictest2840184-21kworker/3:0+events20:23:533
281608999295214,2933cyclictest2841933-21kworker/2:0+events20:37:562
281608999294713,2929cyclictest2890239-21kworker/2:1+events23:02:322
281609299294512,2928cyclictest2909294-21kworker/3:1+events00:04:593
281608999293013,2913cyclictest2890239-21kworker/2:1+events23:18:152
281608999292914,2910cyclictest2849808-21kworker/2:2+events21:23:582
281608999292714,2909cyclictest2870806-21kworker/2:0+events22:03:142
281608999292712,2911cyclictest2907899-21kworker/2:2+events00:03:532
281608599292612,2910cyclictest2853070-21kworker/1:2+events21:09:281
281608599292414,2906cyclictest2870870-21kworker/1:0+events22:04:461
281608999292312,2907cyclictest2814232-21kworker/2:2+events19:30:372
281608599292314,2907cyclictest2828922-21kworker/1:0+events19:50:101
281608999292014,2902cyclictest2820819-21kworker/2:0+events19:23:532
28160899929198,2909cyclictest2859340-21kworker/2:0+events21:30:052
28160899929187,2907cyclictest2912719-21kworker/2:0+events00:28:302
281608999291811,2903cyclictest2860943-21kworker/2:1+events21:37:212
281608999291811,2903cyclictest2860943-21kworker/2:1+events21:37:202
281608999291712,2901cyclictest2824254-21kworker/2:0+events19:55:552
281608299291613,2898cyclictest2883424-21kworker/0:1+events22:49:010
281608999291514,2897cyclictest2912719-21kworker/2:0+events00:32:372
281608599291512,2899cyclictest2896651-21kworker/1:2+events23:22:041
281608999291414,2895cyclictest2845137-21kworker/2:2+events20:43:382
28160829929129,2899cyclictest2852848-21kworker/0:1+events21:14:040
281609299291014,2892cyclictest2893617-21kworker/3:1+events23:18:393
281608599290714,2890cyclictest2858141-21kworker/1:3+events21:25:301
281609299290614,2888cyclictest2887396-21kworker/3:0+events23:00:393
281609299290614,2888cyclictest2887396-21kworker/3:0+events22:51:213
281608299290613,2888cyclictest2880550-21kworker/0:2+events22:32:590
281609299290414,2886cyclictest2885278-21kworker/3:1+events22:43:153
281609299290412,2888cyclictest2845048-21kworker/3:0+events20:50:283
281608999290413,2887cyclictest2836991-21kworker/2:1+events20:12:352
281608999290413,2887cyclictest2836991-21kworker/2:1+events20:12:352
281609299290310,2889cyclictest2890148-21kworker/3:2+events22:59:063
281609299289914,2881cyclictest2920545-21kworker/3:2+events00:36:003
281609299289912,2885cyclictest2846670-21kworker/3:2+events20:45:103
281609299289814,2880cyclictest2861159-21kworker/3:1+events21:54:253
281609299289714,2879cyclictest2841842-21kworker/3:1+events20:41:223
281608999289114,2873cyclictest2885402-21kworker/2:2+events22:44:492
281609299288912,2873cyclictest2865687-21kworker/3:0+events21:43:033
281608999288413,2867cyclictest2877284-21kworker/2:0+events22:58:192
281608999287613,2859cyclictest2902851-21kworker/2:2+events23:45:492
281608299287411,2859cyclictest2819225-21kworker/0:2+events19:31:440
281609299287312,2857cyclictest2859552-21kworker/3:2+events21:24:443
281609299286814,2850cyclictest2830343-21kworker/3:1+events19:52:513
281608599286813,2851cyclictest2858141-21kworker/1:3+events21:33:061
281608999286414,2846cyclictest2859340-21kworker/2:0+events21:26:152
281608299286413,2847cyclictest2917413-21kworker/0:2+events00:39:010
281609299285914,2841cyclictest2822629-21kworker/3:2+events19:38:063
281608299285914,2841cyclictest2867471-21kworker/0:1+events22:16:290
281608999285814,2840cyclictest2827206-21kworker/2:2+events19:46:002
281609299285314,2835cyclictest2918950-21kworker/3:1+events00:26:133
281608599285113,2834cyclictest2887296-21kworker/1:2+events22:53:401
281608599285113,2834cyclictest2848119-21kworker/1:0+events20:57:371
281608599284913,2833cyclictest2880274-21kworker/1:0+events22:31:291
281608599284913,2832cyclictest2901549-21kworker/1:2+events23:58:071
281608599284913,2832cyclictest2814249-21kworker/1:0+events19:23:061
281608999284712,2831cyclictest2848183-21kworker/2:1+events20:49:432
281608599284714,2829cyclictest2867342-21kworker/1:1+events22:08:551
281608599284713,2831cyclictest2848119-21kworker/1:0+events21:04:501
281608599284713,2830cyclictest2907569-21kworker/1:0+events00:00:241
281608299284713,2830cyclictest2901367-21kworker/0:0+events23:41:580
281608599284613,2831cyclictest2911621-21kworker/1:1+events00:11:471
281608599284513,2828cyclictest2883483-21kworker/1:2+events22:42:311
281608599284513,2828cyclictest2822509-21kworker/1:1+events19:35:301
281608599284413,2827cyclictest2901549-21kworker/1:2+events23:43:071
281608599284313,2826cyclictest2867342-21kworker/1:1+events21:54:491
281608599284313,2826cyclictest2848119-21kworker/1:0+events20:54:151
281609299284214,2824cyclictest2864063-21kworker/3:2+events21:39:383
281609299284214,2824cyclictest2864063-21kworker/3:2+events21:39:373
281608599283913,2822cyclictest2856197-21kworker/1:1+events21:13:411
281608599283812,2822cyclictest2830864-21kworker/1:2+events20:14:511
281608599283812,2822cyclictest2830864-21kworker/1:2+events20:14:501
281608299283814,2820cyclictest2859471-21kworker/0:1+events21:35:270
281608299283814,2820cyclictest2859471-21kworker/0:1+events21:35:260
281608299283813,2821cyclictest2862695-21kworker/0:0+events21:34:180
281608599283713,2820cyclictest2874069-21kworker/1:2+events22:13:471
281608299283614,2818cyclictest2904658-21kworker/0:2+events23:46:560
281608299283614,2818cyclictest2867471-21kworker/0:1+events22:06:180
281608599283311,2818cyclictest2828922-21kworker/1:0+events20:00:271
281608599283214,2814cyclictest2830864-21kworker/1:2+events20:16:231
281608299283214,2814cyclictest2888870-21kworker/0:0+events23:23:570
281608599282914,2810cyclictest2837081-21kworker/1:1+events20:21:381
281608599282913,2811cyclictest2835451-21kworker/1:0+events20:09:351
281608599282912,2813cyclictest2875707-21kworker/1:0+events22:19:091
281608299282914,2811cyclictest2825853-21kworker/0:0+events20:04:390
281608299282813,2811cyclictest2854965-21kworker/0:3+events21:21:160
281608599282714,2809cyclictest2890604-21kworker/1:2+events23:05:561
281608599282710,2813cyclictest2843568-21kworker/1:0+events20:37:341
281608299282613,2809cyclictest2846610-21kworker/0:2+events21:03:420
281608999282513,2808cyclictest2824254-21kworker/2:0+events20:09:122
281608599282514,2806cyclictest2898277-21kworker/1:1+events23:36:371
281608599282413,2809cyclictest2864094-21kworker/1:1+events21:40:011
281608599282313,2806cyclictest2880274-21kworker/1:0+events22:29:351
281608999282213,2805cyclictest2880308-21kworker/2:2+events22:31:522
281608599282213,2805cyclictest2911621-21kworker/1:1+events00:23:141
281608299282213,2805cyclictest2814218-21kworker/0:1+events19:14:010
281608999282014,2802cyclictest2824254-21kworker/2:0+events19:38:302
281608299281813,2801cyclictest2809412-21kworker/0:0+events19:17:490
281608999281613,2799cyclictest2851407-21kworker/2:1+events21:09:052
281608599281513,2798cyclictest2864094-21kworker/1:1+events21:36:581
281608599281513,2798cyclictest2864094-21kworker/1:1+events21:36:581
281608299281513,2798cyclictest2914382-21kworker/0:1+events00:15:380
281608599281113,2794cyclictest2885433-21kworker/1:1+events22:47:061
281608599281013,2793cyclictest2894985-21kworker/1:0+events23:28:581
281608999280911,2794cyclictest2907899-21kworker/2:2+events23:56:142
281608299280913,2792cyclictest2892171-21kworker/0:1+events23:09:470
281608299280913,2792cyclictest2830401-21kworker/0:2+events19:56:420
281608299280913,2792cyclictest2819225-21kworker/0:2+events19:29:320
281608599280813,2791cyclictest2817543-21kworker/1:1+events19:15:541
281608299280813,2791cyclictest2873874-21kworker/0:0+events22:26:290
28160859928060,2802cyclictest2893347-21kworker/1:1+events23:10:101
281609299280512,2789cyclictest2872588-21kworker/3:1+events22:18:003
281608299280513,2788cyclictest2896873-21kworker/0:1+events23:30:510
281608299280513,2788cyclictest2835718-21kworker/0:1+events20:14:270
281608299280513,2788cyclictest2835718-21kworker/0:1+events20:14:270
281608299280511,2790cyclictest2825853-21kworker/0:0+events19:54:450
281608599280413,2789cyclictest2822509-21kworker/1:1+events19:48:391
281608599280413,2787cyclictest2898277-21kworker/1:1+events23:48:061
281608599280413,2787cyclictest2840360-21kworker/1:2+events20:32:141
281609299280312,2787cyclictest2904625-21kworker/3:0+events23:44:173
281609299280312,2787cyclictest2883362-21kworker/3:2+events22:46:183
281608599280313,2786cyclictest2911621-21kworker/1:1+events00:29:151
281608599280313,2786cyclictest2857801-21kworker/1:2+events21:17:511
281608299280313,2786cyclictest2896873-21kworker/0:1+events00:04:150
281608599280213,2785cyclictest2867342-21kworker/1:1+events21:58:361
281608599280113,2785cyclictest2820852-21kworker/1:2+events19:25:461
281608599280113,2784cyclictest2846521-21kworker/1:2+events20:42:551
281608599280013,2783cyclictest2911621-21kworker/1:1+events00:33:001
281608599279813,2782cyclictest2907569-21kworker/1:0+events00:06:081
281608599279613,2779cyclictest2901549-21kworker/1:2+events23:50:471
281608999279413,2777cyclictest2822570-21kworker/2:1+events19:29:532
281608299279413,2777cyclictest2883424-21kworker/0:1+events22:42:540
281608599278913,2773cyclictest2822509-21kworker/1:1+events19:30:591
281608299278412,2769cyclictest2894894-21kworker/0:2+events23:12:050
281609299278213,2765cyclictest2846670-21kworker/3:2+events21:05:143
281608299278213,2765cyclictest2828770-21kworker/0:1+events19:47:530
281608999277613,2759cyclictest2824254-21kworker/2:0+events19:44:072
281608599277613,2759cyclictest2867342-21kworker/1:1+events22:22:591
281608599277413,2757cyclictest2885433-21kworker/1:1+events22:58:421
281608999277312,2757cyclictest2851407-21kworker/2:1+events21:00:422
281608999277013,2753cyclictest2872437-21kworker/2:2+events22:13:252
281608999276613,2749cyclictest2899273-21kworker/2:0+events23:26:152
281608999276613,2749cyclictest2840300-21kworker/2:1+events20:26:552
281609299276413,2747cyclictest2854714-21kworker/3:1+events21:11:433
281608999276213,2745cyclictest2833739-21kworker/2:1+events20:01:592
281608999276212,2746cyclictest2891896-21kworker/2:2+events23:05:322
281608999276212,2746cyclictest2835390-21kworker/2:2+events20:23:302
281608999276113,2746cyclictest2862819-21kworker/2:2+events21:40:472
281608999276113,2745cyclictest2890239-21kworker/2:1+events23:39:192
281608999276113,2744cyclictest2885402-21kworker/2:2+events22:47:302
281608999276013,2743cyclictest2841933-21kworker/2:0+events20:30:432
281608999275912,2743cyclictest2914475-21kworker/2:1+events00:16:012
281608999275912,2743cyclictest2890239-21kworker/2:1+events23:33:542
281608999275813,2742cyclictest2885402-21kworker/2:2+events22:52:082
281608999275813,2741cyclictest2836991-21kworker/2:1+events20:16:002
281608999275612,2740cyclictest2890239-21kworker/2:1+events23:12:522
281608999275513,2738cyclictest2841933-21kworker/2:0+events20:58:002
281608999275413,2739cyclictest2912719-21kworker/2:0+events00:20:102
281609299274913,2732cyclictest2904625-21kworker/3:0+events23:57:433
281608999274713,2731cyclictest2912719-21kworker/2:0+events00:37:532
281608999274613,2729cyclictest2912719-21kworker/2:0+events00:09:082
281608299274411,2729cyclictest2849870-21kworker/0:0+events20:59:320
281609299274313,2726cyclictest2868975-21kworker/3:0+events22:09:383
281608299274212,2727cyclictest2864852-21kworker/0:2+events21:48:460
281609299274113,2726cyclictest2893617-21kworker/3:1+events23:20:343
281609299274113,2724cyclictest2911359-21kworker/3:2+events00:05:223
281609299274013,2723cyclictest2890148-21kworker/3:2+events23:09:223
281609299273711,2722cyclictest2915870-21kworker/3:0+events00:19:043
281609299273513,2718cyclictest2883362-21kworker/3:2+events22:38:163
281609299273313,2716cyclictest2820908-21kworker/3:0+events19:23:293
281609299272512,2709cyclictest2828738-21kworker/3:2+events20:11:063
281609299272512,2709cyclictest2828738-21kworker/3:2+events20:11:053
281609299272413,2707cyclictest2856302-21kworker/3:0+events21:32:423
281609299272313,2706cyclictest2828738-21kworker/3:2+events20:04:593
281609299272213,2705cyclictest2846670-21kworker/3:2+events21:17:053
281609299272213,2705cyclictest2828738-21kworker/3:2+events20:28:033
281609299272113,2704cyclictest2893617-21kworker/3:1+events23:14:253
281609299272113,2704cyclictest2820908-21kworker/3:0+events19:46:223
281609299271813,2701cyclictest2820908-21kworker/3:0+events19:29:103
281608999271713,2700cyclictest2907899-21kworker/2:2+events00:10:402
281608999271713,2700cyclictest2854897-21kworker/2:0+events21:14:482
281608999271712,2701cyclictest2877284-21kworker/2:0+events22:27:392
281609299271613,2699cyclictest2828738-21kworker/3:2+events20:35:203
281608599271613,2701cyclictest2898277-21kworker/1:1+events23:32:021
281609299271512,2699cyclictest2880156-21kworker/3:0+events22:29:593
281608999271413,2697cyclictest2874153-21kworker/2:1+events22:19:322
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