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2026-06-11 - 12:17

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 Thu Jun 11, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
312516999316015,3140cyclictest3207091-21kworker/2:1+events23:30:162
312516399296814,2950cyclictest3128202-21kworker/0:0+events19:30:140
312516999280413,2787cyclictest3199489-21kworker/2:2+events23:20:162
312516999278910,2775cyclictest3141182-21kworker/2:1+events20:40:182
312516999278910,2775cyclictest3141182-21kworker/2:1+events20:40:172
312516599273712,2721cyclictest3207060-21kworker/1:1+events23:40:141
312516999271013,2693cyclictest3207091-21kworker/2:1+events23:39:092
312516999267613,2659cyclictest3221531-21kworker/2:2+events00:19:392
312516599266913,2652cyclictest3157283-21kworker/1:2+events20:51:341
312516999266713,2649cyclictest3141182-21kworker/2:1+events20:05:162
312516399265211,2637cyclictest3173027-21kworker/0:2+events21:45:130
312516999265013,2633cyclictest3213502-21kworker/2:2+events23:50:112
312516399264911,2633cyclictest3205526-21kworker/0:1+events23:25:140
31251739925419,2529cyclictest3176271-21kworker/3:0+events22:02:363
312517399254110,2528cyclictest3131605-21kworker/3:0+events19:51:103
312517399254012,2526cyclictest3147020-21kworker/3:2+events20:20:063
312517399253812,2522cyclictest3168576-21kworker/3:0+events21:35:273
312516999253012,2514cyclictest3194061-21kworker/2:0+events22:46:322
312516999252812,2514cyclictest3160578-21kworker/2:0+events21:05:152
312516999252012,2506cyclictest3170011-21kworker/2:1+events21:40:212
312516399251311,2498cyclictest3197153-21kworker/0:0+events22:56:080
312516399250712,2491cyclictest3159123-21kworker/0:2+events20:57:410
312517399250412,2489cyclictest3165346-21kworker/3:1+events21:20:353
31251739925000,2496cyclictest3203768-21kworker/3:1+events23:16:503
312516999249912,2484cyclictest3184170-21kworker/2:0+events22:25:122
312517399249712,2481cyclictest3155925-21kworker/3:0+events20:57:173
312517399249512,2480cyclictest3195483-21kworker/3:1+events22:54:373
312517399249111,2476cyclictest3149057-21kworker/3:0+events20:27:193
312517399248812,2472cyclictest3222989-21kworker/3:2+events00:25:463
312517399248812,2472cyclictest3218158-21kworker/3:0+events23:57:053
31251739924879,2475cyclictest3199049-21kworker/3:3+events23:03:013
312517399248612,2471cyclictest3187268-21kworker/3:0+events22:32:233
312517399248512,2470cyclictest3205613-21kworker/3:2+events23:32:133
312517399248412,2469cyclictest3184438-21kworker/3:1+events22:20:423
31251739924824,2474cyclictest3208626-21kworker/3:0+events23:29:533
312517399248212,2467cyclictest3203768-21kworker/3:1+events23:23:223
312517399248112,2465cyclictest3222989-21kworker/3:2+events00:35:173
312517399247611,2462cyclictest3177905-21kworker/3:2+events21:53:343
312516599247412,2458cyclictest3152851-21kworker/1:1+events20:38:451
312517399247212,2456cyclictest3149057-21kworker/3:0+events20:37:143
312516599247212,2456cyclictest3191012-21kworker/1:2+events23:06:511
312516599247212,2456cyclictest3136320-21kworker/1:2+events20:02:131
312517399247011,2456cyclictest3151008-21kworker/3:2+events20:44:263
312517399247011,2456cyclictest3151008-21kworker/3:2+events20:44:263
31251699924676,2458cyclictest3218126-21kworker/2:1+events00:12:432
312516999246212,2448cyclictest3197363-21kworker/2:1+events23:00:182
312517399246112,2445cyclictest3187268-21kworker/3:0+events22:49:383
312516999246111,2447cyclictest3202190-21kworker/2:0+events23:12:142
312516399245912,2443cyclictest3134814-21kworker/0:0+events19:51:340
31251739924579,2444cyclictest3193419-21kworker/3:2+events22:42:203
31251739924579,2444cyclictest3193419-21kworker/3:2+events22:42:203
312517399245712,2442cyclictest3163681-21kworker/3:2+events21:09:073
312517399245411,2439cyclictest3136289-21kworker/3:1+events19:43:353
312517399245212,2437cyclictest3202040-21kworker/3:0+events23:12:373
312517399245112,2435cyclictest3144680-21kworker/3:0+events20:14:183
312517399245011,2435cyclictest3124691-21kworker/3:2+events19:27:123
31251699924479,2435cyclictest3165703-21kworker/2:0+events21:27:262
312516999244610,2433cyclictest3130393-21kworker/2:2+events19:36:182
312516999244512,2430cyclictest3152793-21kworker/2:0+events20:36:062
312517399244312,2427cyclictest3195483-21kworker/3:1+events22:59:103
312517399244111,2428cyclictest3181104-21kworker/3:2+events22:15:053
312517399244110,2428cyclictest3174647-21kworker/3:2+events21:41:493
312516999244011,2425cyclictest3221531-21kworker/2:2+events00:21:122
312517399243910,2426cyclictest3215253-21kworker/3:1+events00:11:103
31251659924369,2424cyclictest3191012-21kworker/1:2+events22:42:411
31251659924369,2424cyclictest3191012-21kworker/1:2+events22:42:411
312516999243512,2420cyclictest3157252-21kworker/2:0+events20:47:242
312516999243411,2419cyclictest3199489-21kworker/2:2+events23:09:082
312516999243410,2420cyclictest3176212-21kworker/2:2+events21:57:192
312516599243412,2418cyclictest3155687-21kworker/1:0+events20:42:551
312516599243412,2418cyclictest3155687-21kworker/1:0+events20:42:551
312516999243312,2417cyclictest3176212-21kworker/2:2+events22:02:142
312516399243210,2418cyclictest3140917-21kworker/0:2+events19:57:170
312516999243012,2414cyclictest3137947-21kworker/2:2+events19:51:562
312516999243011,2415cyclictest3134572-21kworker/2:0+events19:42:242
312517399242912,2413cyclictest3143007-21kworker/3:1+events20:17:463
312516999242912,2414cyclictest3207091-21kworker/2:1+events23:42:112
312516999242910,2415cyclictest3170011-21kworker/2:1+events21:45:592
312516999242812,2413cyclictest3154655-21kworker/2:2+events20:50:262
312516999242712,2412cyclictest3141182-21kworker/2:1+events20:15:502
312516999242712,2411cyclictest3181063-21kworker/2:1+events22:08:572
312516999242511,2411cyclictest3187702-21kworker/2:1+events22:30:362
312516599242510,2411cyclictest3184287-21kworker/1:1+events22:22:101
312517399242412,2409cyclictest3155925-21kworker/3:0+events21:17:303
312516999242412,2409cyclictest3224841-21kworker/2:1+events00:30:442
312516999242412,2409cyclictest3213502-21kworker/2:2+events23:58:142
312516999242411,2409cyclictest3168429-21kworker/2:2+events21:23:142
312516999242312,2407cyclictest3154655-21kworker/2:2+events20:58:262
312516999242312,2407cyclictest3139552-21kworker/2:0+events19:59:532
312516999242312,2407cyclictest3121491-21kworker/2:0+events19:20:002
312516999242112,2405cyclictest3130393-21kworker/2:2+events19:30:592
31251699924199,2407cyclictest3130393-21kworker/2:2+events19:26:482
312516999241911,2404cyclictest3163833-21kworker/2:1+events21:13:182
312517399241710,2404cyclictest3157554-21kworker/3:1+events20:52:193
312516999241112,2396cyclictest3218126-21kworker/2:1+events00:05:262
312516599240712,2391cyclictest3147639-21kworker/1:0+events20:22:231
312516399240510,2391cyclictest3144401-21kworker/0:2+events20:14:410
312516399240411,2390cyclictest3215284-21kworker/0:0+events23:50:560
312516599240112,2385cyclictest3124890-21kworker/1:2+events19:32:511
31251639924019,2389cyclictest3218610-21kworker/0:3+events00:08:050
312516599240012,2385cyclictest3170032-21kworker/1:0+events21:31:381
312516599240011,2385cyclictest3136320-21kworker/1:2+events19:55:221
312516599239912,2383cyclictest3227050-21kworker/1:1+events00:28:051
312516999239810,2385cyclictest3181063-21kworker/2:1+events22:11:402
312516599239612,2380cyclictest3145941-21kworker/1:1+events20:12:231
312516399239512,2379cyclictest3131513-21kworker/0:2+events19:39:220
312516599239311,2378cyclictest3134602-21kworker/1:0+events19:37:031
312516599239212,2376cyclictest3191012-21kworker/1:2+events23:19:081
312516599239210,2378cyclictest3171833-21kworker/1:1+events21:47:071
312516599239012,2375cyclictest3197062-21kworker/1:0+events22:55:211
312516599238912,2374cyclictest3162229-21kworker/1:2+events21:27:491
312516599238910,2377cyclictest3124890-21kworker/1:2+events19:15:021
312516599238910,2375cyclictest3207060-21kworker/1:1+events00:08:511
312516399238912,2374cyclictest3173027-21kworker/0:2+events21:42:340
312516599238812,2372cyclictest3179758-21kworker/1:2+events22:06:231
312516399238811,2373cyclictest3195546-21kworker/0:2+events22:54:140
31251659923878,2375cyclictest3207060-21kworker/1:1+events23:45:351
312516599238612,2370cyclictest3224870-21kworker/1:0+events00:20:481
312516399238611,2372cyclictest3221563-21kworker/0:0+events00:18:530
312516599238512,2369cyclictest3147639-21kworker/1:0+events20:18:321
312516599238511,2370cyclictest3171833-21kworker/1:1+events21:44:501
31251659923828,2371cyclictest3160546-21kworker/1:0+events20:59:591
312516399238211,2368cyclictest3207650-21kworker/0:2+events23:59:220
312516399238111,2366cyclictest3228049-21kworker/0:2+events00:34:080
312516599238011,2366cyclictest3191012-21kworker/1:2+events22:38:301
312516599237712,2361cyclictest3224870-21kworker/1:0+events00:38:421
312516599237712,2361cyclictest3171833-21kworker/1:1+events21:39:131
312516599237612,2361cyclictest3198663-21kworker/1:1+events23:01:271
312516599237611,2362cyclictest3162229-21kworker/1:2+events21:12:331
312516999237312,2357cyclictest3170011-21kworker/2:1+events21:31:172
31251639923669,2354cyclictest3168370-21kworker/0:1+events21:33:300
312516399236512,2349cyclictest3137710-21kworker/0:1+events19:48:270
312516599236311,2349cyclictest3188837-21kworker/1:0+events22:28:411
312516399236212,2346cyclictest3134814-21kworker/0:0+events20:01:500
312516399236211,2347cyclictest3207650-21kworker/0:2+events23:49:490
312516399236012,2344cyclictest3178077-21kworker/0:2+events21:59:330
312516399235410,2340cyclictest3213624-21kworker/0:1+events23:44:300
312516399235311,2338cyclictest3187447-21kworker/0:1+events22:27:090
312516399235212,2336cyclictest3149263-21kworker/0:2+events20:26:110
312516399235012,2334cyclictest3228049-21kworker/0:2+events00:36:040
312516399234912,2335cyclictest3224780-21kworker/0:2+events00:21:340
312516399234912,2334cyclictest3191137-21kworker/0:1+events22:46:560
312516399234712,2332cyclictest3202296-21kworker/0:1+events23:11:280
31251639923458,2334cyclictest3168370-21kworker/0:1+events21:35:470
312516399234412,2328cyclictest3128202-21kworker/0:0+events19:17:200
312516399234112,2327cyclictest3218610-21kworker/0:3+events00:11:580
312516399234112,2325cyclictest3149263-21kworker/0:2+events20:48:110
312516999232812,2313cyclictest3194061-21kworker/2:0+events22:58:012
312516599232812,2313cyclictest3224870-21kworker/1:0+events00:33:211
312516399232312,2307cyclictest3203918-21kworker/0:2+events23:18:220
312516999232210,2308cyclictest3218126-21kworker/2:1+events00:02:252
312516399231412,2298cyclictest3147575-21kworker/0:1+events20:18:570
312516999231312,2298cyclictest3141182-21kworker/2:1+events20:10:302
312516399230711,2293cyclictest3149263-21kworker/0:2+events20:35:450
312516399230710,2294cyclictest3165138-21kworker/0:2+events21:26:170
312517399230612,2290cyclictest3165346-21kworker/3:1+events21:27:033
312516599230411,2289cyclictest3151187-21kworker/1:0+events20:30:461
31251739922988,2286cyclictest3215253-21kworker/3:1+events00:01:403
312516999229212,2277cyclictest3141182-21kworker/2:1+events20:34:572
312516599228610,2273cyclictest3207060-21kworker/1:1+events00:13:531
312516599228511,2271cyclictest3207060-21kworker/1:1+events23:57:271
312517399228011,2266cyclictest3136289-21kworker/3:1+events19:47:443
312517399227311,2259cyclictest3176271-21kworker/3:0+events21:49:253
31251739922729,2260cyclictest3139465-21kworker/3:2+events19:59:093
312517399227110,2259cyclictest3205613-21kworker/3:2+events23:45:143
312516599227111,2257cyclictest3144283-21kworker/1:0+events20:06:221
312516999226811,2253cyclictest3160578-21kworker/2:0+events21:03:222
31251699922678,2256cyclictest3151101-21kworker/2:2+events20:29:162
312517399226411,2249cyclictest3151008-21kworker/3:2+events20:32:213
312517399226311,2248cyclictest3176271-21kworker/3:0+events22:10:533
312517399226210,2249cyclictest3151008-21kworker/3:2+events20:47:033
312517399226210,2249cyclictest3139465-21kworker/3:2+events20:04:293
31251739922609,2247cyclictest3155925-21kworker/3:0+events21:10:393
312517399225811,2244cyclictest3124691-21kworker/3:2+events19:30:373
312516999225812,2242cyclictest3203800-21kworker/2:1+events23:16:262
312517399225711,2243cyclictest3218158-21kworker/3:0+events00:05:483
312516399225111,2236cyclictest3207650-21kworker/0:2+events23:31:270
312516599224410,2230cyclictest3136320-21kworker/1:2+events19:46:131
312516999224311,2228cyclictest3215135-21kworker/2:0+events23:48:372
312517399224110,2228cyclictest3213409-21kworker/3:0+events23:42:583
312516999223910,2225cyclictest3163833-21kworker/2:1+events21:15:122
312517399223710,2223cyclictest3188868-21kworker/3:2+events22:27:323
312516599223712,2222cyclictest3197062-21kworker/1:0+events22:52:421
312516599223610,2222cyclictest3207060-21kworker/1:1+events23:53:371
312516999223210,2218cyclictest3224841-21kworker/2:1+events00:26:332
312517399223110,2218cyclictest3155925-21kworker/3:0+events21:02:143
312517399223010,2216cyclictest3129981-21kworker/3:1+events19:24:353
312516399223012,2215cyclictest3195546-21kworker/0:2+events23:03:440
312517399222911,2214cyclictest3222989-21kworker/3:2+events00:19:153
312517399222910,2215cyclictest3197331-21kworker/3:2+events23:07:583
312517399222811,2213cyclictest3176271-21kworker/3:0+events22:09:213
312517399222811,2213cyclictest3124691-21kworker/3:2+events19:38:363
312517399222810,2215cyclictest3126422-21kworker/3:0+events19:15:253
312516999222811,2214cyclictest3141182-21kworker/2:1+events20:01:282
312516599222813,2211cyclictest3184287-21kworker/1:1+events22:15:491
312516999222511,2211cyclictest3185977-21kworker/2:2+events22:20:192
312516999222511,2211cyclictest3126454-21kworker/2:1+events19:23:272
312516999222411,2210cyclictest3187702-21kworker/2:1+events22:43:052
312516999222411,2210cyclictest3187702-21kworker/2:1+events22:43:042
312516999222212,2207cyclictest3192344-21kworker/2:2+events22:37:452
312516999222110,2208cyclictest3170011-21kworker/2:1+events21:50:562
31251699922199,2207cyclictest3194061-21kworker/2:0+events22:55:002
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312516599221111,2197cyclictest3184287-21kworker/1:1+events22:14:181
31251739922079,2195cyclictest3170299-21kworker/3:2+events21:33:553
312516999220511,2190cyclictest3205436-21kworker/2:0+events23:27:332
312516999220311,2189cyclictest3136257-21kworker/2:1+events19:45:282
312516599220310,2190cyclictest3207060-21kworker/1:1+events23:34:331
31251699921999,2187cyclictest3227779-21kworker/2:0+events00:38:182
312516999219811,2183cyclictest3184170-21kworker/2:0+events22:19:352
312516999219211,2178cyclictest3149204-21kworker/2:0+events20:24:152
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312517399219110,2178cyclictest3121474-21kworker/3:1+events19:12:193
312516599218811,2173cyclictest3191012-21kworker/1:2+events23:26:001
312516399218811,2173cyclictest3157492-21kworker/0:0+events20:54:160
312516599218511,2171cyclictest3207060-21kworker/1:1+events23:37:131
312516399218510,2172cyclictest3189139-21kworker/0:0+events22:31:400
312516599218411,2170cyclictest3207060-21kworker/1:1+events23:24:501
312516599218310,2169cyclictest3138004-21kworker/1:0+events19:53:521
312516599218210,2170cyclictest3207060-21kworker/1:1+events00:00:071
31251739921817,2170cyclictest3177905-21kworker/3:2+events21:55:493
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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