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2026-05-07 - 07:40

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 792 highest latencies:
System rackfslot7s.osadl.org (updated Thu May 07, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
327975099356318,3540cyclictest3304200-21kworker/1:0+events20:39:481
327975099333816,3319cyclictest3297451-21kworker/1:2+events20:10:171
327975099309915,3078cyclictest3319422-21kworker/1:0+events21:15:171
327975699285313,2836cyclictest3384250-21kworker/3:2+events00:35:503
327975299284213,2826cyclictest3300550-21kworker/2:0+events20:40:102
327975299282114,2803cyclictest3297306-21kworker/2:0+events20:05:182
327975699277913,2763cyclictest3305176-21kworker/3:2+events20:30:163
327975099276313,2747cyclictest3340680-21kworker/1:0+events22:30:171
327975099275113,2733cyclictest3338842-21kworker/1:2+events22:15:001
327975699274514,2727cyclictest3361728-21kworker/3:1+events23:35:193
327975099273113,2714cyclictest3299063-21kworker/1:1+events20:25:141
327975699272411,2709cyclictest3372990-21kworker/3:2+events00:05:163
327975699270513,2688cyclictest3372990-21kworker/3:2+events00:10:103
32797529926999,2685cyclictest3366334-21kworker/2:0+events23:40:162
327975299266613,2649cyclictest3361166-21kworker/2:1+events23:30:192
327975299262910,2615cyclictest3330807-21kworker/2:0+events21:50:172
327975299257612,2561cyclictest3317941-21kworker/2:0+events21:12:362
327975299256212,2547cyclictest3289097-21kworker/2:0+events19:47:472
327975299255612,2540cyclictest3373019-21kworker/2:1+events00:04:322
32797529925444,2537cyclictest3366334-21kworker/2:0+events23:58:322
327975299254212,2527cyclictest3317941-21kworker/2:0+events21:18:182
327975299253712,2521cyclictest3371357-21kworker/2:2+events00:21:412
327975299249812,2483cyclictest3381006-21kworker/2:1+events00:37:442
327975299249312,2478cyclictest3346885-21kworker/2:2+events22:40:522
327975299249312,2477cyclictest3311586-21kworker/2:2+events20:47:212
327975299248912,2475cyclictest3339076-21kworker/2:1+events22:45:062
327975299248911,2475cyclictest3327990-21kworker/2:1+events21:42:392
327975299248812,2473cyclictest3289097-21kworker/2:0+events19:42:022
327975299248812,2472cyclictest3317941-21kworker/2:0+events21:08:502
327975299248810,2474cyclictest3375988-21kworker/2:0+events00:18:112
327974699248811,2474cyclictest3337300-21kworker/0:1+events22:23:510
327975299248712,2472cyclictest3306970-21kworker/2:2+events20:35:372
327975299248712,2471cyclictest3361166-21kworker/2:1+events23:28:022
327975299248712,2471cyclictest3361166-21kworker/2:1+events23:28:012
327975299248611,2471cyclictest3359269-21kworker/2:2+events23:21:152
327975299248412,2468cyclictest3339076-21kworker/2:1+events22:27:152
327975299248212,2467cyclictest3322947-21kworker/2:2+events21:33:492
32797529924819,2469cyclictest3302157-21kworker/2:2+events20:25:592
327975299247712,2461cyclictest3369577-21kworker/2:1+events23:47:112
327975299247612,2460cyclictest3351393-21kworker/2:2+events22:57:442
327975099247611,2461cyclictest3380976-21kworker/1:1+events00:31:421
327975299247512,2460cyclictest3321209-21kworker/2:1+events21:22:012
327975299247411,2460cyclictest3322947-21kworker/2:2+events21:55:332
32797509924739,2461cyclictest3346914-21kworker/1:0+events22:40:301
327975099247312,2457cyclictest3359873-21kworker/1:1+events23:24:591
327975099247312,2457cyclictest3357706-21kworker/1:0+events23:13:391
327975299247211,2458cyclictest3359269-21kworker/2:2+events23:19:192
32797509924724,2464cyclictest3380976-21kworker/1:1+events00:27:041
327975299246910,2455cyclictest3375988-21kworker/2:0+events00:09:242
327975299246812,2453cyclictest3343563-21kworker/2:0+events22:35:552
327975299246812,2453cyclictest3294490-21kworker/2:1+events20:01:042
327975099246712,2452cyclictest3380976-21kworker/1:1+events00:23:591
327975299246212,2446cyclictest3353087-21kworker/2:0+events23:00:232
327975099245311,2439cyclictest3325951-21kworker/1:1+events21:43:501
327975299245212,2438cyclictest3300550-21kworker/2:0+events20:24:272
327975299245111,2437cyclictest3337331-21kworker/2:2+events22:09:412
327975099244912,2433cyclictest3299063-21kworker/1:1+events20:22:341
32797509924489,2436cyclictest3289308-21kworker/1:0+events19:47:001
327975099244612,2431cyclictest3380976-21kworker/1:1+events00:39:571
32797469924469,2434cyclictest3295815-21kworker/0:1+events20:02:120
327974699244512,2429cyclictest3351690-21kworker/0:2+events23:08:450
327974699244512,2428cyclictest3268603-21kworker/0:0+events19:15:350
327974699244511,2431cyclictest3316366-21kworker/0:1+events21:10:200
327975699243210,2418cyclictest3306844-21kworker/3:0+events20:39:253
327975099242711,2413cyclictest3310018-21kworker/1:1+events20:46:151
327975099242612,2410cyclictest3319422-21kworker/1:0+events21:11:271
327975699242512,2409cyclictest3361728-21kworker/3:1+events23:33:003
327975699242412,2410cyclictest3346795-21kworker/3:1+events22:40:063
327975699242312,2408cyclictest3340266-21kworker/3:1+events22:21:333
327975699242311,2409cyclictest3368093-21kworker/3:2+events23:43:203
327975699242212,2407cyclictest3372990-21kworker/3:2+events00:01:573
327975699242111,2406cyclictest3327580-21kworker/3:0+events21:39:333
327975699241911,2405cyclictest3372990-21kworker/3:2+events00:23:133
327974699241812,2402cyclictest3311856-21kworker/0:0+events20:57:420
32797569924147,2404cyclictest3350055-21kworker/3:0+events22:52:243
327975099241312,2397cyclictest3345256-21kworker/1:2+events22:54:181
327975099241212,2397cyclictest3340680-21kworker/1:0+events22:28:441
327975699241112,2396cyclictest3372990-21kworker/3:2+events00:26:413
327975699241012,2394cyclictest3318179-21kworker/3:1+events21:32:173
327975299240912,2393cyclictest3300550-21kworker/2:0+events20:17:362
327974699240912,2394cyclictest3291540-21kworker/0:2+events19:53:540
327975099240212,2387cyclictest3379311-21kworker/1:2+events00:16:181
327974699240111,2386cyclictest3343709-21kworker/0:0+events22:33:190
327975299239510,2381cyclictest3322947-21kworker/2:2+events21:26:562
327975699239312,2378cyclictest3369725-21kworker/3:0+events23:53:143
327975699239311,2378cyclictest3327580-21kworker/3:0+events21:41:533
327975099239312,2378cyclictest3374487-21kworker/1:0+events00:08:411
327975099239212,2377cyclictest3300664-21kworker/1:0+events20:18:211
327974699239212,2376cyclictest3354564-21kworker/0:1+events23:04:090
327975099239112,2375cyclictest3324313-21kworker/1:0+events21:29:161
327975099239012,2374cyclictest3335576-21kworker/1:0+events22:03:351
327975099239012,2372cyclictest3310018-21kworker/1:1+events20:43:581
327975099238912,2374cyclictest3287701-21kworker/1:1+events19:34:201
327975099238911,2375cyclictest3346914-21kworker/1:0+events22:45:521
327975099238910,2375cyclictest3352968-21kworker/1:1+events23:09:541
327975099238811,2375cyclictest3325951-21kworker/1:1+events21:55:111
327975099238811,2373cyclictest3324313-21kworker/1:0+events21:37:381
327975099238810,2374cyclictest3276161-21kworker/1:0+events19:29:221
327975099238712,2372cyclictest3343442-21kworker/1:1+events22:36:171
327975099238612,2371cyclictest3324313-21kworker/1:0+events21:33:051
327975099238512,2370cyclictest3304200-21kworker/1:0+events20:31:021
327975099238512,2369cyclictest3364430-21kworker/1:1+events23:37:391
327975099238511,2371cyclictest3335576-21kworker/1:0+events22:06:141
327975099238511,2370cyclictest3366448-21kworker/1:0+events23:43:421
327975099238412,2369cyclictest3311706-21kworker/1:0+events21:00:241
327975099238412,2369cyclictest3289308-21kworker/1:0+events19:39:181
327975099238112,2366cyclictest3316606-21kworker/1:2+events21:23:561
327974699238112,2366cyclictest3314111-21kworker/0:2+events21:05:230
327974699238011,2366cyclictest3379497-21kworker/0:2+events00:24:200
327975699237812,2362cyclictest3290960-21kworker/3:1+events19:43:343
327975699237412,2359cyclictest3369725-21kworker/3:0+events23:59:193
327975299236811,2354cyclictest3371357-21kworker/2:2+events00:25:542
327975099236612,2350cyclictest3295742-21kworker/1:0+events20:02:581
327974699236411,2351cyclictest3283012-21kworker/0:2+events19:20:090
327975299236312,2348cyclictest3332587-21kworker/2:1+events22:02:022
327975699236212,2347cyclictest3354531-21kworker/3:2+events23:03:463
327975699236212,2347cyclictest3329212-21kworker/3:1+events21:51:263
32797569923618,2349cyclictest3292550-21kworker/3:2+events19:51:163
327975699235811,2344cyclictest3356160-21kworker/3:0+events23:11:253
327975699235211,2338cyclictest3294145-21kworker/3:1+events20:11:273
327974699235110,2338cyclictest3318003-21kworker/0:0+events21:34:140
327975699234912,2334cyclictest3310223-21kworker/3:1+events20:58:073
327974699234612,2330cyclictest3299196-21kworker/0:1+events20:39:010
327975699234312,2328cyclictest3297421-21kworker/3:2+events20:05:413
327974699234311,2329cyclictest3284740-21kworker/0:0+events19:37:480
327975699234211,2327cyclictest3318179-21kworker/3:1+events21:13:463
327975099234212,2327cyclictest3372776-21kworker/1:1+events23:57:221
327974699234212,2327cyclictest3318003-21kworker/0:0+events21:46:270
327974699234212,2327cyclictest3306758-21kworker/0:2+events20:32:080
327974699234212,2327cyclictest3291540-21kworker/0:2+events19:48:540
327975699234112,2326cyclictest3340266-21kworker/3:1+events22:25:213
327975699234112,2326cyclictest3340266-21kworker/3:1+events22:17:413
327975699234112,2325cyclictest3294145-21kworker/3:1+events20:02:343
327975699234111,2326cyclictest3368093-21kworker/3:2+events23:47:543
327975699234110,2327cyclictest3379405-21kworker/3:0+events00:19:213
327974699234012,2325cyclictest3375901-21kworker/0:1+events00:11:190
327975699233911,2324cyclictest3350055-21kworker/3:0+events22:59:383
327975699233911,2324cyclictest3346795-21kworker/3:1+events23:15:323
327975699233812,2323cyclictest3310223-21kworker/3:1+events21:00:473
327975699233812,2323cyclictest3287833-21kworker/3:2+events19:39:413
327975699233811,2325cyclictest3333947-21kworker/3:0+events22:00:293
327975699233711,2323cyclictest3329212-21kworker/3:1+events21:55:553
327974699233611,2322cyclictest3284740-21kworker/0:0+events19:29:000
327975699233511,2322cyclictest3319818-21kworker/3:0+events21:20:103
327974699233511,2322cyclictest3283012-21kworker/0:2+events19:30:100
327975699233210,2319cyclictest3276009-21kworker/3:1+events19:22:063
327974699233212,2317cyclictest3337300-21kworker/0:1+events22:18:300
327974699233112,2316cyclictest3368124-21kworker/0:0+events23:49:260
327975699233010,2316cyclictest3300635-21kworker/3:2+events20:16:023
327974699233011,2315cyclictest3373140-21kworker/0:3+events00:02:190
327975699232911,2314cyclictest3319818-21kworker/3:0+events21:26:363
327975699232910,2315cyclictest3310223-21kworker/3:1+events20:45:293
327974699232912,2314cyclictest3334039-21kworker/0:0+events22:02:480
327974699232911,2315cyclictest3379497-21kworker/0:2+events00:34:210
32797469923289,2316cyclictest3375901-21kworker/0:1+events00:17:500
327974699232812,2313cyclictest3294236-21kworker/0:0+events20:12:580
327974699232810,2314cyclictest3348334-21kworker/0:0+events22:59:150
327974699232712,2312cyclictest3368124-21kworker/0:0+events23:50:350
327974699232712,2312cyclictest3351690-21kworker/0:2+events23:17:460
327974699232712,2312cyclictest3310104-21kworker/0:2+events20:43:120
327974699232711,2313cyclictest3348334-21kworker/0:0+events22:44:210
327975699232612,2310cyclictest3357824-21kworker/3:2+events23:27:163
327975699232612,2310cyclictest3357824-21kworker/3:2+events23:27:153
327975699232511,2311cyclictest3292550-21kworker/3:2+events19:46:393
327974699232512,2310cyclictest3337300-21kworker/0:1+events22:13:270
327974699232512,2310cyclictest3314111-21kworker/0:2+events21:03:270
327974699232512,2310cyclictest3294236-21kworker/0:0+events20:09:550
327974699232412,2309cyclictest3299196-21kworker/0:1+events20:17:110
327974699232411,2310cyclictest3346673-21kworker/0:2+events22:37:250
327975299232012,2305cyclictest3289097-21kworker/2:0+events19:37:012
327974699232011,2305cyclictest3299196-21kworker/0:1+events20:52:220
327975699231912,2303cyclictest3327580-21kworker/3:0+events21:49:093
327974699231512,2299cyclictest3359422-21kworker/0:1+events23:34:090
327975699231211,2298cyclictest3333947-21kworker/3:0+events22:14:373
327975699230511,2291cyclictest3357824-21kworker/3:2+events23:21:373
327975299230412,2289cyclictest3306970-21kworker/2:2+events20:34:302
32797469922979,2285cyclictest3334039-21kworker/0:0+events22:08:070
327975099229211,2278cyclictest3338842-21kworker/1:2+events22:24:141
327975099227911,2265cyclictest3311706-21kworker/1:0+events20:58:301
327974699227912,2264cyclictest3318003-21kworker/0:0+events21:41:290
327975099227711,2262cyclictest3291228-21kworker/1:1+events19:56:331
327975299227311,2260cyclictest3348543-21kworker/2:0+events22:50:042
327975299227111,2257cyclictest3292685-21kworker/2:2+events19:55:252
327975299226911,2255cyclictest3308691-21kworker/2:1+events21:03:522
327975299226710,2254cyclictest3289097-21kworker/2:0+events19:50:522
327975299226611,2252cyclictest3382675-21kworker/2:0+events00:30:572
327975299226611,2252cyclictest3313344-21kworker/2:0+events20:56:112
327975299226511,2250cyclictest3330807-21kworker/2:0+events21:47:142
32797529922642,2258cyclictest3364489-21kworker/2:2+events23:38:252
327975299226210,2249cyclictest3375988-21kworker/2:0+events00:14:222
327975299226210,2249cyclictest3356544-21kworker/2:0+events23:10:392
327974699226212,2247cyclictest3379497-21kworker/0:2+events00:29:460
327974699226210,2249cyclictest3373140-21kworker/0:3+events00:09:030
327975299226110,2248cyclictest3280829-21kworker/2:2+events19:13:142
327975299226010,2246cyclictest3294490-21kworker/2:1+events20:12:142
327975299225911,2245cyclictest3343563-21kworker/2:0+events22:31:272
327975699225610,2243cyclictest3381038-21kworker/3:1+events00:34:423
32797529922568,2245cyclictest3337331-21kworker/2:2+events22:19:382
327975299225510,2242cyclictest3282841-21kworker/2:1+events19:19:472
327975699224611,2232cyclictest3343531-21kworker/3:2+events22:46:363
327974699224611,2232cyclictest3359422-21kworker/0:1+events23:35:420
327974699224512,2231cyclictest3299196-21kworker/0:1+events20:45:060
327975099223210,2218cyclictest3364430-21kworker/1:1+events23:34:321
32797529922248,2213cyclictest3335638-21kworker/2:0+events22:11:552
327974699221710,2204cyclictest3299196-21kworker/0:1+events20:24:510
32797569922088,2196cyclictest3313098-21kworker/3:2+events20:54:393
327975699220611,2191cyclictest3334347-21kworker/3:3+events22:07:233
327975699220111,2186cyclictest3294145-21kworker/3:1+events20:20:163
327975299220112,2186cyclictest3284549-21kworker/2:0+events19:27:062
32797509921988,2187cyclictest3329571-21kworker/1:0+events21:46:511
327975699219211,2178cyclictest3318179-21kworker/3:1+events21:18:403
327975099218911,2174cyclictest3368366-21kworker/1:1+events23:49:031
327974699218911,2175cyclictest3384372-21kworker/0:0+events00:36:580
327975699218811,2174cyclictest3340266-21kworker/3:1+events22:31:033
327975099218710,2174cyclictest3295742-21kworker/1:0+events20:06:521
32797509921868,2175cyclictest3325951-21kworker/1:1+events21:51:021
327975099218611,2171cyclictest3294080-21kworker/1:2+events19:51:391
327974699218511,2171cyclictest3337300-21kworker/0:1+events22:26:300
327975699218212,2167cyclictest3316547-21kworker/3:2+events21:07:183
327975099218211,2168cyclictest3352968-21kworker/1:1+events22:56:351
327975099218110,2168cyclictest3311706-21kworker/1:0+events20:51:351
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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