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2026-06-23 - 18:56

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 Tue Jun 23, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43840399454519,4522cyclictest517918-21kworker/1:2+events23:15:201
43840699425817,4235cyclictest456052-21kworker/2:2+events20:20:162
43840199363212,3615cyclictest527765-21kworker/0:1+events23:55:020
43840399361816,3596cyclictest479447-21kworker/1:0+events21:15:171
4384019933579,3343cyclictest457560-21kworker/0:1+events20:15:170
43840699332215,3301cyclictest456052-21kworker/2:2+events20:10:192
43840199330117,3279cyclictest439684-21kworker/0:2+events19:30:010
43840699328514,3265cyclictest529716-21kworker/2:2+events00:00:222
43840699324913,3231cyclictest454405-21kworker/2:0+events20:35:112
43840699314011,3125cyclictest542300-21kworker/2:1+events00:35:182
43840199308915,3070cyclictest503362-21kworker/0:2+events22:30:140
43840399305614,3037cyclictest501789-21kworker/1:2+events22:25:191
43840399303915,3020cyclictest514306-21kworker/1:0+events23:20:181
43840199303114,3013cyclictest542239-21kworker/0:1+events00:30:000
43840899300913,2991cyclictest490037-21kworker/3:2+events21:50:013
43840699297214,2954cyclictest524244-21kworker/2:2+events23:41:072
43840699296014,2942cyclictest487544-21kworker/2:2+events21:55:152
43840899292813,2911cyclictest493763-21kworker/3:2+events22:15:493
43840199290413,2886cyclictest481289-21kworker/0:1+events21:26:580
43840399290313,2886cyclictest516162-21kworker/1:1+events23:10:001
43840199290314,2885cyclictest436264-21kworker/0:0+events19:15:180
43840199290014,2882cyclictest505045-21kworker/0:1+events22:36:370
43840399289412,2878cyclictest490720-21kworker/1:0+events22:00:121
43840899288913,2872cyclictest504959-21kworker/3:0+events22:40:543
4384069928798,2867cyclictest487544-21kworker/2:2+events21:50:442
43840199287813,2861cyclictest531273-21kworker/0:0+events00:01:060
43840399287113,2854cyclictest453007-21kworker/1:2+events20:05:231
43840899285113,2834cyclictest467583-21kworker/3:1+events20:59:213
43840899284813,2831cyclictest477817-21kworker/3:1+events21:21:443
43840899284813,2831cyclictest455669-21kworker/3:2+events20:06:283
43840899284813,2830cyclictest455669-21kworker/3:2+events20:23:213
43840899284714,2829cyclictest448171-21kworker/3:2+events19:40:133
43840899284511,2830cyclictest517859-21kworker/3:1+events23:24:073
4384089928437,2832cyclictest467583-21kworker/3:1+events20:54:493
43840899284313,2826cyclictest479654-21kworker/3:2+events21:18:213
43840899284313,2826cyclictest449800-21kworker/3:0+events19:48:393
43840899284213,2825cyclictest537556-21kworker/3:1+events00:19:453
43840899284213,2825cyclictest513225-21kworker/3:2+events23:08:273
4384089928419,2828cyclictest449800-21kworker/3:0+events19:54:033
43840399284011,2825cyclictest500171-21kworker/1:1+events22:22:181
4384089928397,2828cyclictest474724-21kworker/3:2+events21:02:003
43840899283713,2820cyclictest472869-21kworker/3:0+events21:08:263
43840699283310,2819cyclictest529716-21kworker/2:2+events23:56:112
43840899283213,2813cyclictest472869-21kworker/3:0+events21:10:213
43840399282913,2812cyclictest501789-21kworker/1:2+events22:43:571
43840399282713,2810cyclictest490720-21kworker/1:0+events21:56:441
43840899282513,2808cyclictest537556-21kworker/3:1+events00:13:193
43840399282314,2805cyclictest474694-21kworker/1:2+events21:11:281
43840899282213,2805cyclictest439603-21kworker/3:0+events19:31:093
43840899282211,2807cyclictest509723-21kworker/3:2+events22:53:433
4384039928180,2814cyclictest511082-21kworker/1:2+events23:03:551
43840899281611,2801cyclictest487633-21kworker/3:1+events21:54:073
43840399281212,2796cyclictest536007-21kworker/1:0+events00:09:521
43840899281111,2796cyclictest439603-21kworker/3:0+events19:22:483
43840899281014,2792cyclictest455669-21kworker/3:2+events20:25:153
43840899281013,2793cyclictest469236-21kworker/3:2+events20:43:513
43840699280913,2792cyclictest446602-21kworker/2:1+events19:36:482
4384039928090,2805cyclictest486113-21kworker/1:0+events21:38:031
43840399280813,2791cyclictest527940-21kworker/1:1+events23:47:111
43840899280713,2790cyclictest517859-21kworker/3:1+events23:26:193
43840899280713,2790cyclictest487633-21kworker/3:1+events21:40:233
43840699280713,2792cyclictest449922-21kworker/2:1+events20:00:062
43840699280713,2789cyclictest476247-21kworker/2:0+events21:28:532
43840699280710,2792cyclictest485943-21kworker/2:1+events21:34:382
43840399280714,2790cyclictest521645-21kworker/1:1+events23:32:451
43840399280713,2791cyclictest437833-21kworker/1:1+events19:33:031
43840399280713,2790cyclictest527940-21kworker/1:1+events00:01:501
43840399280713,2790cyclictest514306-21kworker/1:0+events23:14:351
43840399280713,2790cyclictest498562-21kworker/1:0+events22:14:171
43840899280613,2789cyclictest540967-21kworker/3:2+events00:28:533
43840899280513,2789cyclictest455669-21kworker/3:2+events20:30:153
43840899280513,2788cyclictest526053-21kworker/3:2+events23:50:323
43840399280513,2790cyclictest501789-21kworker/1:2+events22:45:031
43840899280413,2787cyclictest449800-21kworker/3:0+events20:04:153
43840699280413,2787cyclictest454405-21kworker/2:0+events20:27:322
43840399280413,2788cyclictest526260-21kworker/1:2+events23:44:311
43840399280413,2788cyclictest455995-21kworker/1:1+events20:14:081
43840399280413,2787cyclictest529862-21kworker/1:0+events23:56:341
43840399280413,2787cyclictest474694-21kworker/1:2+events21:08:031
43840399280313,2786cyclictest534408-21kworker/1:2+events00:12:581
43840399280313,2786cyclictest453007-21kworker/1:2+events19:54:251
43840699280213,2785cyclictest456052-21kworker/2:2+events20:17:582
43840399280213,2785cyclictest470923-21kworker/1:2+events20:50:411
43840399280213,2785cyclictest469321-21kworker/1:0+events20:47:391
43840899280113,2784cyclictest526053-21kworker/3:2+events23:41:293
43840399280113,2785cyclictest444614-21kworker/1:2+events19:37:561
43840899280011,2785cyclictest485905-21kworker/3:2+events21:37:173
43840699279913,2782cyclictest526230-21kworker/2:1+events23:48:412
43840399279913,2782cyclictest484332-21kworker/1:2+events21:41:101
43840899279813,2781cyclictest453036-21kworker/3:1+events19:59:013
43840899279812,2782cyclictest533125-21kworker/3:3+events00:01:283
43840399279713,2781cyclictest474694-21kworker/1:2+events21:01:371
43840899279613,2779cyclictest455669-21kworker/3:2+events20:19:303
43840899279413,2777cyclictest493763-21kworker/3:2+events22:38:123
43840899279312,2777cyclictest493763-21kworker/3:2+events22:26:493
43840699279313,2776cyclictest467879-21kworker/2:1+events20:57:312
43840899279213,2777cyclictest507891-21kworker/3:1+events23:00:103
43840899279212,2776cyclictest462689-21kworker/3:0+events20:38:583
43840899279210,2778cyclictest511415-21kworker/3:0+events22:59:263
4384069927929,2779cyclictest495389-21kworker/2:0+events22:10:502
43840699279113,2774cyclictest511051-21kworker/2:2+events22:52:342
43840899279012,2774cyclictest513225-21kworker/3:2+events23:18:013
43840399279013,2774cyclictest507697-21kworker/1:1+events22:51:261
43840699278913,2772cyclictest516221-21kworker/2:1+events23:13:272
43840899278712,2771cyclictest477817-21kworker/3:1+events21:32:193
43840899278710,2773cyclictest531186-21kworker/3:0+events23:57:173
43840699278713,2770cyclictest454405-21kworker/2:0+events20:49:332
43840899278511,2770cyclictest526053-21kworker/3:2+events23:36:583
43840699278413,2767cyclictest498380-21kworker/2:1+events22:16:572
43840899277812,2762cyclictest493763-21kworker/3:2+events21:58:413
43840899277713,2760cyclictest493763-21kworker/3:2+events22:06:153
43840899277613,2761cyclictest539157-21kworker/3:0+events00:36:033
43840699277413,2757cyclictest476247-21kworker/2:0+events21:35:252
43840399277412,2758cyclictest455995-21kworker/1:1+events20:05:001
43840699276613,2749cyclictest524244-21kworker/2:2+events23:38:052
4384069927659,2752cyclictest454405-21kworker/2:0+events19:57:292
43840199276513,2750cyclictest517797-21kworker/0:1+events23:30:520
43840199276313,2746cyclictest489082-21kworker/0:2+events21:47:410
43840199276313,2745cyclictest471571-21kworker/0:1+events20:56:210
4384019927629,2748cyclictest496379-21kworker/0:0+events22:50:190
43840199276013,2743cyclictest496379-21kworker/0:0+events22:56:450
43840699275913,2742cyclictest465918-21kworker/2:2+events20:34:242
43840399275912,2743cyclictest443018-21kworker/1:0+events19:23:341
43840899275813,2741cyclictest497747-21kworker/3:1+events22:13:313
43840699275813,2741cyclictest536130-21kworker/2:0+events00:14:512
43840699275812,2742cyclictest467879-21kworker/2:1+events20:41:382
43840199275613,2738cyclictest462458-21kworker/0:1+events20:24:070
43840699275513,2739cyclictest476247-21kworker/2:0+events21:17:342
43840199275512,2739cyclictest489082-21kworker/0:2+events21:50:220
43840699275413,2737cyclictest492437-21kworker/2:3+events22:02:512
43840699275213,2735cyclictest476247-21kworker/2:0+events21:09:132
43840699275212,2736cyclictest519462-21kworker/2:2+events23:21:062
43840399275212,2736cyclictest521645-21kworker/1:1+events23:35:271
43840699275012,2734cyclictest517827-21kworker/2:0+events23:17:142
43840899274911,2734cyclictest493763-21kworker/3:2+events22:34:003
43840699274915,2730cyclictest501820-21kworker/2:0+events22:31:422
43840699274813,2731cyclictest476247-21kworker/2:0+events21:43:512
43840399274812,2732cyclictest527940-21kworker/1:1+events23:53:081
43840199274813,2731cyclictest476368-21kworker/0:0+events21:19:490
43840699274713,2730cyclictest534437-21kworker/2:1+events00:05:382
43840399274614,2728cyclictest455995-21kworker/1:1+events20:18:211
43840699274513,2728cyclictest537794-21kworker/2:1+events00:19:222
43840699274512,2729cyclictest501820-21kworker/2:0+events22:46:542
43840199274513,2728cyclictest485752-21kworker/0:0+events21:36:540
43840199274511,2730cyclictest532877-21kworker/0:2+events23:59:350
43840699274413,2727cyclictest498380-21kworker/2:1+events22:27:122
4384069927418,2729cyclictest539396-21kworker/2:2+events00:23:102
43840699274113,2724cyclictest489205-21kworker/2:1+events21:49:142
43840199274111,2726cyclictest524216-21kworker/0:0+events23:39:370
43840699274010,2727cyclictest501820-21kworker/2:0+events22:24:572
43840699273913,2722cyclictest514335-21kworker/2:2+events23:08:032
43840699273913,2722cyclictest454405-21kworker/2:0+events20:06:502
43840199273613,2719cyclictest451587-21kworker/0:0+events19:53:150
43840699273513,2718cyclictest501820-21kworker/2:0+events23:02:252
43840699273513,2718cyclictest467879-21kworker/2:1+events20:53:182
43840199273513,2718cyclictest511458-21kworker/0:2+events23:11:340
43840199273513,2718cyclictest498411-21kworker/0:2+events22:20:270
43840699273413,2718cyclictest524244-21kworker/2:2+events23:34:182
43840699273312,2718cyclictest449922-21kworker/2:1+events19:52:312
43840199272613,2710cyclictest545562-21kworker/0:1+events00:38:450
4384019927229,2709cyclictest476368-21kworker/0:0+events21:07:410
43840199272013,2703cyclictest471571-21kworker/0:1+events21:01:130
43840199271712,2700cyclictest531273-21kworker/0:0+events00:06:010
43840199271613,2699cyclictest496379-21kworker/0:0+events22:28:430
43840199271612,2700cyclictest521200-21kworker/0:2+events23:29:430
43840199271612,2700cyclictest482911-21kworker/0:2+events21:31:100
43840399271512,2699cyclictest534408-21kworker/1:2+events00:22:461
43840199271513,2698cyclictest536285-21kworker/0:3+events00:19:010
43840199270913,2692cyclictest526110-21kworker/0:2+events23:40:220
43840199270313,2686cyclictest531273-21kworker/0:0+events00:31:070
43840199270313,2686cyclictest531273-21kworker/0:0+events00:31:070
43840199270313,2686cyclictest487392-21kworker/0:1+events21:59:480
43840399270013,2683cyclictest484332-21kworker/1:2+events21:29:401
43840199270010,2686cyclictest467552-21kworker/0:0+events20:52:340
43840199269613,2677cyclictest487392-21kworker/0:1+events22:05:300
43840899269512,2679cyclictest446484-21kworker/3:1+events19:37:343
43840199269513,2678cyclictest524216-21kworker/0:0+events23:46:480
43840199269313,2676cyclictest446546-21kworker/0:1+events19:33:450
43840199269113,2674cyclictest462458-21kworker/0:1+events20:39:430
43840199269011,2675cyclictest460830-21kworker/0:2+events20:27:090
4384039926889,2675cyclictest496959-21kworker/1:2+events22:08:331
4384039926888,2676cyclictest488930-21kworker/1:1+events21:53:211
4384039926867,2675cyclictest472810-21kworker/1:0+events20:59:001
43840899268313,2665cyclictest533125-21kworker/3:3+events00:05:163
43840699268112,2665cyclictest478086-21kworker/2:1+events21:13:232
43840199267713,2660cyclictest455961-21kworker/0:2+events20:01:380
43840199267613,2659cyclictest496379-21kworker/0:0+events22:11:140
43840199267613,2659cyclictest489082-21kworker/0:2+events21:43:290
43840199267515,2656cyclictest476368-21kworker/0:0+events21:22:070
43840199267513,2658cyclictest536285-21kworker/0:3+events00:11:030
4384019926747,2665cyclictest505045-21kworker/0:1+events22:40:080
43840199267413,2657cyclictest487392-21kworker/0:1+events22:00:340
43840199267413,2657cyclictest477968-21kworker/0:1+events21:12:150
4384019926739,2660cyclictest496379-21kworker/0:0+events22:15:020
43840199267313,2656cyclictest511458-21kworker/0:2+events23:00:570
43840199267213,2655cyclictest517797-21kworker/0:1+events23:22:590
43840399267013,2653cyclictest484332-21kworker/1:2+events21:45:481
43840399267012,2654cyclictest503419-21kworker/1:1+events22:31:201
43840399266513,2649cyclictest542542-21kworker/1:2+events00:30:211
43840399266513,2649cyclictest542542-21kworker/1:2+events00:30:211
43840399266313,2645cyclictest453007-21kworker/1:2+events19:58:141
43840399266213,2645cyclictest482705-21kworker/1:0+events21:23:151
43840399266213,2645cyclictest464111-21kworker/1:1+events20:29:061
43840399266113,2646cyclictest443018-21kworker/1:0+events19:25:041
43840199266113,2644cyclictest517797-21kworker/0:1+events23:16:510
43840199266013,2643cyclictest536285-21kworker/0:3+events00:23:330
43840199265912,2644cyclictest467552-21kworker/0:0+events20:42:230
43840899265811,2643cyclictest529473-21kworker/3:1+events23:49:273
43840699265412,2638cyclictest472751-21kworker/2:2+events21:00:522
43840199265110,2637cyclictest454341-21kworker/0:1+events19:57:520
43840399264712,2631cyclictest464111-21kworker/1:1+events20:30:401
43840199264213,2625cyclictest509694-21kworker/0:1+events22:49:350
43840699264013,2623cyclictest536130-21kworker/2:0+events00:26:342
43840399263812,2622cyclictest498562-21kworker/1:0+events22:18:311
43840399263713,2620cyclictest444614-21kworker/1:2+events19:46:231
43840399263412,2618cyclictest517918-21kworker/1:2+events23:27:491
43840899263213,2615cyclictest543810-21kworker/3:1+events00:31:303
43840899263213,2615cyclictest543810-21kworker/3:1+events00:31:293
43840199263112,2615cyclictest514218-21kworker/0:1+events23:05:490
43840699262811,2613cyclictest439680-21kworker/2:3+events19:17:332
43840699262512,2609cyclictest529716-21kworker/2:2+events23:51:152
43840699262511,2610cyclictest542300-21kworker/2:1+events00:33:472
43840699262511,2610cyclictest542300-21kworker/2:1+events00:33:462
43840399262513,2608cyclictest444614-21kworker/1:2+events19:44:511
43840399262413,2607cyclictest542542-21kworker/1:2+events00:37:361
43840399262411,2611cyclictest540934-21kworker/1:1+events00:25:041
43840899262312,2608cyclictest477817-21kworker/3:1+events21:27:223
43840199262212,2606cyclictest455961-21kworker/0:2+events20:08:240
43840399262010,2606cyclictest464111-21kworker/1:1+events20:43:061
43840899261913,2602cyclictest516253-21kworker/3:0+events23:12:183
43840699261513,2600cyclictest495389-21kworker/2:0+events22:05:082
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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