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2026-07-17 - 23:30

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 Fri Jul 17, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
346066299464220,4615cyclictest3546163-21kworker/1:2+events23:47:281
346067199378317,3761cyclictest3523861-21kworker/3:2+events22:25:213
34606629934119,3397cyclictest3481907-21kworker/1:1+events20:45:161
346066799340416,3383cyclictest3534934-21kworker/2:1+events23:00:192
346065699327214,3253cyclictest3486950-21kworker/0:2+events20:55:160
346066799321015,3190cyclictest3483868-21kworker/2:0+events20:50:142
346066799316915,3148cyclictest3470913-21kworker/2:2+events19:50:122
346066299310015,3080cyclictest3527424-21kworker/1:0+events22:40:141
346065699301714,3000cyclictest3528401-21kworker/0:2+events22:50:230
346066299301515,2995cyclictest3536465-21kworker/1:1+events23:05:181
346065699301014,2993cyclictest3486950-21kworker/0:2+events20:35:020
346066799297812,2964cyclictest3485594-21kworker/2:1+events20:30:082
346066299297614,2958cyclictest3538102-21kworker/1:2+events23:20:461
346066299296713,2951cyclictest3481907-21kworker/1:1+events20:40:011
346066799296013,2941cyclictest3517550-21kworker/2:0+events22:05:142
346066299293112,2916cyclictest3543227-21kworker/1:0+events23:25:201
34606719928908,2878cyclictest3556081-21kworker/3:0+events00:05:203
34606629928749,2861cyclictest3510957-21kworker/1:0+events21:50:161
346067199284714,2829cyclictest3520602-21kworker/3:2+events22:13:553
346065699282713,2809cyclictest3501519-21kworker/0:1+events21:18:340
346065699282513,2807cyclictest3510870-21kworker/0:1+events21:44:110
346065699281913,2802cyclictest3554705-21kworker/0:2+events00:08:220
346066299280613,2791cyclictest3551257-21kworker/1:1+events23:50:091
346067199280312,2787cyclictest3475614-21kworker/3:0+events20:10:193
346066299280311,2789cyclictest3554549-21kworker/1:1+events00:01:291
346065699280213,2785cyclictest3536620-21kworker/0:0+events23:13:350
346065699280213,2785cyclictest3536620-21kworker/0:0+events23:13:350
346065699280213,2785cyclictest3520167-21kworker/0:1+events22:20:210
346066299280010,2786cyclictest3554549-21kworker/1:1+events00:07:581
346065699280013,2783cyclictest3546538-21kworker/0:2+events23:36:460
346067199279913,2782cyclictest3467279-21kworker/3:2+events19:50:343
346065699279912,2783cyclictest3522079-21kworker/0:2+events22:19:110
346065699279813,2781cyclictest3549744-21kworker/0:0+events23:52:250
346066299279713,2780cyclictest3462088-21kworker/1:0+events19:19:421
346066799278313,2766cyclictest3538513-21kworker/2:0+events23:21:092
346065699278113,2765cyclictest3528401-21kworker/0:2+events22:39:290
346066799278013,2763cyclictest3546224-21kworker/2:0+events23:33:222
346065699278013,2763cyclictest3534964-21kworker/0:2+events23:02:360
346066799277813,2760cyclictest3523767-21kworker/2:0+events22:55:002
346066299277811,2763cyclictest3536465-21kworker/1:1+events23:36:011
346065699277713,2760cyclictest3554705-21kworker/0:2+events00:02:150
346066299277513,2758cyclictest3518969-21kworker/1:1+events22:26:091
34606569927759,2762cyclictest3512774-21kworker/0:2+events21:52:580
346065699277511,2760cyclictest3498134-21kworker/0:0+events21:20:490
346066299277412,2758cyclictest3480219-21kworker/1:2+events20:12:561
346065699277313,2756cyclictest3479007-21kworker/0:1+events20:15:350
346067199277113,2754cyclictest3498166-21kworker/3:1+events21:02:273
346065699276913,2752cyclictest3465402-21kworker/0:0+events19:26:370
346065699276511,2750cyclictest3523832-21kworker/0:0+events22:33:190
346066299276412,2750cyclictest3474107-21kworker/1:2+events19:55:041
346065699276413,2747cyclictest3564068-21kworker/0:1+events00:35:280
346065699276412,2748cyclictest3481815-21kworker/0:0+events20:14:270
346066299276313,2746cyclictest3494939-21kworker/1:0+events20:54:541
346066299276213,2745cyclictest3523922-21kworker/1:0+events22:24:351
346066299276213,2745cyclictest3522200-21kworker/1:2+events22:18:241
346066299276213,2745cyclictest3506147-21kworker/1:1+events21:33:221
346066299276211,2747cyclictest3475732-21kworker/1:0+events20:03:041
346067199276113,2744cyclictest3475614-21kworker/3:0+events20:58:413
346066299276113,2744cyclictest3489967-21kworker/1:0+events20:44:081
346066299276013,2744cyclictest3482147-21kworker/1:3+events20:23:191
346066299276011,2745cyclictest3563941-21kworker/1:2+events00:28:101
346066799275911,2744cyclictest3481878-21kworker/2:2+events20:21:002
346066299275913,2742cyclictest3546163-21kworker/1:2+events23:41:211
346067199275813,2741cyclictest3546289-21kworker/3:2+events23:47:073
346066299275812,2742cyclictest3510957-21kworker/1:0+events21:45:161
346066299275713,2742cyclictest3464106-21kworker/1:1+events19:45:431
346066299275713,2740cyclictest3516077-21kworker/1:2+events22:00:591
346066299275613,2739cyclictest3502916-21kworker/1:0+events21:26:061
346066299275612,2740cyclictest3486737-21kworker/1:0+events20:26:211
346066299275513,2738cyclictest3527424-21kworker/1:0+events22:37:321
346066299275513,2738cyclictest3475732-21kworker/1:0+events20:06:341
346066299275510,2741cyclictest3499919-21kworker/1:2+events21:17:021
346066299275412,2738cyclictest3472428-21kworker/1:0+events19:44:361
346065699275413,2737cyclictest3467035-21kworker/0:1+events19:39:580
346066299275312,2737cyclictest3556227-21kworker/1:0+events00:10:401
346067199275213,2735cyclictest3475614-21kworker/3:0+events19:58:553
346065699275210,2738cyclictest3512774-21kworker/0:2+events21:58:190
346067199275113,2734cyclictest3541671-21kworker/3:0+events23:30:163
346065699275112,2735cyclictest3559099-21kworker/0:1+events00:14:010
346066299275013,2733cyclictest3468870-21kworker/1:0+events19:34:581
346066299274913,2732cyclictest3534842-21kworker/1:0+events22:57:411
346066799274511,2729cyclictest3477306-21kworker/2:0+events20:03:282
346065699274113,2724cyclictest3475675-21kworker/0:0+events19:58:310
346066799274012,2722cyclictest3530043-21kworker/2:1+events22:42:522
346065699274013,2721cyclictest3525522-21kworker/0:1+events22:59:330
346066299273913,2722cyclictest3560668-21kworker/1:2+events00:17:041
346066799273812,2722cyclictest3531932-21kworker/2:2+events23:16:142
346066799273613,2720cyclictest3465495-21kworker/2:2+events19:30:472
346066799273613,2719cyclictest3565730-21kworker/2:1+events00:38:302
346066799273613,2719cyclictest3483868-21kworker/2:0+events20:44:312
346066799273611,2721cyclictest3477306-21kworker/2:0+events20:06:102
346066799273412,2718cyclictest3493930-21kworker/2:1+events21:06:162
346067199273313,2717cyclictest3514381-21kworker/3:0+events22:22:183
346066799273113,2714cyclictest3559277-21kworker/2:0+events00:15:322
346066799273113,2714cyclictest3519240-21kworker/2:1+events22:10:542
346066799273113,2714cyclictest3480189-21kworker/2:1+events20:12:352
346066299273113,2714cyclictest3518969-21kworker/1:1+events22:34:281
346066299273013,2715cyclictest3516077-21kworker/1:2+events22:10:071
346065699272910,2715cyclictest3467035-21kworker/0:1+events19:51:190
346066799272713,2711cyclictest3465495-21kworker/2:2+events19:27:462
346066299272713,2710cyclictest3554549-21kworker/1:1+events00:37:001
346067199272613,2709cyclictest3528461-21kworker/3:1+events22:37:113
346067199272313,2707cyclictest3544681-21kworker/3:1+events23:29:293
346067199272313,2706cyclictest3475614-21kworker/3:0+events20:19:533
346066799272212,2706cyclictest3525582-21kworker/2:2+events22:32:582
346067199271913,2702cyclictest3528461-21kworker/3:1+events22:44:223
346067199271713,2700cyclictest3547893-21kworker/3:1+events23:41:013
346067199271713,2700cyclictest3507752-21kworker/3:2+events21:49:073
346066299271712,2701cyclictest3464106-21kworker/1:1+events19:28:091
346065699271713,2701cyclictest3560700-21kworker/0:2+events00:22:230
346067199271512,2699cyclictest3498166-21kworker/3:1+events21:05:313
346067199271413,2697cyclictest3560975-21kworker/3:2+events00:23:343
346067199271412,2698cyclictest3520602-21kworker/3:2+events22:16:573
346067199271410,2700cyclictest3501491-21kworker/3:1+events21:17:233
346067199270713,2690cyclictest3533564-21kworker/3:3+events23:05:413
346065699270613,2689cyclictest3525522-21kworker/0:1+events23:09:050
346067199270312,2688cyclictest3523861-21kworker/3:2+events22:33:413
346066799270312,2688cyclictest3531932-21kworker/2:2+events23:11:442
346066799270312,2688cyclictest3531932-21kworker/2:2+events23:11:432
346066799269313,2676cyclictest3504482-21kworker/2:1+events21:23:542
346067199268112,2665cyclictest3461816-21kworker/3:1+events19:31:123
346067199267712,2661cyclictest3530305-21kworker/3:2+events22:47:223
346065699267312,2657cyclictest3467035-21kworker/0:1+events19:45:200
346066299266812,2653cyclictest3563941-21kworker/1:2+events00:32:001
34606629926659,2652cyclictest3481907-21kworker/1:1+events20:33:111
346066799266411,2651cyclictest3519240-21kworker/2:1+events22:15:022
346066299266212,2647cyclictest3527424-21kworker/1:0+events22:45:301
346067199266112,2645cyclictest3501491-21kworker/3:1+events21:22:463
346065699266113,2646cyclictest3541449-21kworker/0:1+events23:20:030
346066299265311,2639cyclictest3546163-21kworker/1:2+events23:57:431
346065699265313,2639cyclictest3488661-21kworker/0:1+events20:38:280
346067199265213,2635cyclictest3538039-21kworker/3:1+events23:18:323
346066799265213,2636cyclictest3509488-21kworker/2:1+events21:48:442
34606719926447,2633cyclictest3501491-21kworker/3:1+events21:36:183
346066299264112,2625cyclictest3481907-21kworker/1:1+events20:57:121
346067199263612,2620cyclictest3540020-21kworker/3:2+events23:21:323
346067199263413,2617cyclictest3457369-21kworker/3:2+events19:15:553
346066299263413,2617cyclictest3481907-21kworker/1:1+events20:15:581
346065699263112,2616cyclictest3467035-21kworker/0:1+events19:41:550
346066799263013,2613cyclictest3523767-21kworker/2:0+events22:50:002
346065699263011,2616cyclictest3499829-21kworker/0:2+events21:11:380
346067199262911,2615cyclictest3499886-21kworker/3:2+events21:12:213
346065699262712,2613cyclictest3465402-21kworker/0:0+events19:30:030
346066299262412,2608cyclictest3464106-21kworker/1:1+events19:51:421
346066799262012,2604cyclictest3463864-21kworker/2:0+events19:44:132
346065699261912,2604cyclictest3465402-21kworker/0:0+events19:21:370
34606629926189,2605cyclictest3525552-21kworker/1:2+events22:51:331
346067199261412,2598cyclictest3546289-21kworker/3:2+events23:35:383
346066799261211,2597cyclictest3509488-21kworker/2:1+events21:57:552
346065699260811,2593cyclictest3562367-21kworker/0:0+events00:28:580
34606629926079,2594cyclictest3460372-21kworker/1:1+events19:13:121
34606629926069,2593cyclictest3502916-21kworker/1:0+events21:20:271
346065699260512,2590cyclictest3461821-21kworker/0:2+events19:15:320
34606719925974,2589cyclictest3538039-21kworker/3:1+events23:13:583
34606719925974,2589cyclictest3538039-21kworker/3:1+events23:13:583
346065699259512,2579cyclictest3528401-21kworker/0:2+events22:43:380
346067199258813,2571cyclictest3563823-21kworker/3:0+events00:26:143
346067199258810,2574cyclictest3546289-21kworker/3:2+events00:03:033
346066299258312,2568cyclictest3538102-21kworker/1:2+events23:12:511
346066299258312,2568cyclictest3538102-21kworker/1:2+events23:12:511
346066299258311,2569cyclictest3481907-21kworker/1:1+events21:00:551
346065699258112,2565cyclictest3528401-21kworker/0:2+events22:45:520
346065699257212,2558cyclictest3474051-21kworker/0:2+events20:05:480
346065699256911,2554cyclictest3562367-21kworker/0:0+events00:34:420
346065699256113,2545cyclictest3549744-21kworker/0:0+events23:56:570
346066799255812,2542cyclictest3463864-21kworker/2:0+events19:47:342
346066799255312,2537cyclictest3563974-21kworker/2:2+events00:30:272
346067199255113,2534cyclictest3467279-21kworker/3:2+events19:48:183
346065699255112,2536cyclictest3486950-21kworker/0:2+events20:42:140
346065699255112,2535cyclictest3549744-21kworker/0:0+events23:46:430
346065699255012,2534cyclictest3522079-21kworker/0:2+events22:27:180
346065699254912,2533cyclictest3560700-21kworker/0:2+events00:17:280
346065699254912,2533cyclictest3515954-21kworker/0:1+events22:02:310
346065699254912,2533cyclictest3509165-21kworker/0:2+events21:36:420
346065699254512,2529cyclictest3475675-21kworker/0:0+events20:00:470
346065699254511,2530cyclictest3507147-21kworker/0:0+events21:32:140
346066299254312,2528cyclictest3516077-21kworker/1:2+events22:07:491
346065699254311,2529cyclictest3517582-21kworker/0:0+events22:10:290
346066799253912,2523cyclictest3485594-21kworker/2:1+events20:25:142
346065699253912,2523cyclictest3549744-21kworker/0:0+events23:44:470
346065699253912,2523cyclictest3495000-21kworker/0:1+events21:01:190
346065699253712,2521cyclictest3517582-21kworker/0:0+events22:07:260
346065699253612,2520cyclictest3495000-21kworker/0:1+events20:52:580
346065699253512,2519cyclictest3544738-21kworker/0:1+events23:29:070
346065699253311,2519cyclictest3491505-21kworker/0:0+events20:47:560
346065699253212,2517cyclictest3536620-21kworker/0:0+events23:30:410
34606719925319,2518cyclictest3475614-21kworker/3:0+events20:22:113
346066799253012,2514cyclictest3546224-21kworker/2:0+events00:04:112
346066299253011,2516cyclictest3464106-21kworker/1:1+events19:39:341
346066299252912,2514cyclictest3509343-21kworker/1:2+events21:43:261
346066799252711,2512cyclictest3509488-21kworker/2:1+events21:43:032
346066299252711,2512cyclictest3481907-21kworker/1:1+events21:13:081
346066799251912,2504cyclictest3483868-21kworker/2:0+events20:36:592
346066299251912,2503cyclictest3514439-21kworker/1:1+events21:55:361
346066799251813,2501cyclictest3506177-21kworker/2:0+events21:28:492
346066299251812,2502cyclictest3546163-21kworker/1:2+events23:34:071
346066299251812,2502cyclictest3536465-21kworker/1:1+events23:15:501
346066299251712,2501cyclictest3481907-21kworker/1:1+events21:08:561
346066299251312,2497cyclictest3562308-21kworker/1:0+events00:23:111
346066299251310,2500cyclictest3502916-21kworker/1:0+events21:37:061
346067199251112,2495cyclictest3501491-21kworker/3:1+events21:33:003
346067199251012,2495cyclictest3489907-21kworker/3:1+events20:39:153
346066799251012,2494cyclictest3496668-21kworker/2:2+events20:59:272
346065699251011,2497cyclictest3504753-21kworker/0:1+events21:25:000
346067199250912,2493cyclictest3461816-21kworker/3:1+events19:23:093
346066799250812,2492cyclictest3496668-21kworker/2:2+events21:02:482
346066799250811,2494cyclictest3546224-21kworker/2:0+events23:49:452
346067199250711,2492cyclictest3552668-21kworker/3:1+events23:52:013
34606679925069,2493cyclictest3531932-21kworker/2:2+events22:58:022
346066799250512,2489cyclictest3501003-21kworker/2:2+events21:13:312
34606679924997,2488cyclictest3507840-21kworker/2:2+events21:35:332
346066799249811,2484cyclictest3519240-21kworker/2:1+events22:21:532
346066799249611,2482cyclictest3481878-21kworker/2:2+events20:19:292
346066799249611,2481cyclictest3546224-21kworker/2:0+events23:41:462
346066799249412,2478cyclictest3449160-21kworker/2:1+events19:16:402
346066799249410,2480cyclictest3449160-21kworker/2:1+events19:21:142
346067199249312,2477cyclictest3509561-21kworker/3:0+events21:41:343
346067199249311,2478cyclictest3560975-21kworker/3:2+events00:32:253
346067199249212,2477cyclictest3486887-21kworker/3:2+events20:29:013
34606679924929,2479cyclictest3546224-21kworker/2:0+events23:38:422
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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