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2026-04-23 - 07:51

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 all highest latencies:
System rackfslot7s.osadl.org (updated Thu Apr 23, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
86083099328912,3269cyclictest940705-21kworker/1:0+events00:00:171
86083699287314,2856cyclictest891505-21kworker/3:1+events20:55:123
86083299282513,2808cyclictest924607-21kworker/2:1+events23:00:192
86083299282411,2808cyclictest918086-21kworker/2:1+events22:20:152
86083699278513,2768cyclictest935878-21kworker/3:1+events23:10:003
86083699272611,2711cyclictest901575-21kworker/3:1+events21:16:353
86083299271811,2703cyclictest918086-21kworker/2:1+events22:18:222
86083099270913,2692cyclictest911678-21kworker/1:2+events21:52:461
86083699266613,2649cyclictest869261-21kworker/3:1+events20:05:003
86083299264313,2626cyclictest889021-21kworker/2:2+events20:50:152
86082699263913,2622cyclictest926093-21kworker/0:2+events22:55:180
86083699263713,2620cyclictest954901-21kworker/3:2+events00:20:163
86083299262811,2613cyclictest879951-21kworker/2:0+events20:20:172
86083099258710,2574cyclictest921410-21kworker/1:0+events22:30:111
86083299257111,2557cyclictest955020-21kworker/2:2+events00:05:362
8608329925669,2553cyclictest895892-21kworker/2:1+events21:00:482
86082699255012,2535cyclictest916747-21kworker/0:2+events22:05:250
86083699253910,2525cyclictest876978-21kworker/3:0+events20:15:183
86083099253112,2515cyclictest900668-21kworker/1:1+events21:25:191
86083299251212,2496cyclictest889021-21kworker/2:2+events20:38:512
86083099251112,2496cyclictest900668-21kworker/1:1+events21:35:151
86083099250912,2492cyclictest951746-21kworker/1:1+events23:55:171
86083299250511,2490cyclictest889021-21kworker/2:2+events20:48:202
86083299249812,2482cyclictest883101-21kworker/2:1+events20:34:402
86083299249312,2478cyclictest878232-21kworker/2:2+events20:08:252
86083699249212,2476cyclictest946908-21kworker/3:1+events00:00:393
86083299249212,2477cyclictest865900-21kworker/2:3+events19:51:162
86083299249212,2477cyclictest865900-21kworker/2:3+events19:38:222
86083099248912,2473cyclictest889639-21kworker/1:1+events20:53:411
86083299248811,2474cyclictest876604-21kworker/2:0+events19:58:562
86082699248812,2473cyclictest947057-21kworker/0:0+events23:53:010
86083299248512,2469cyclictest961179-21kworker/2:0+events00:26:472
86083699248412,2468cyclictest921225-21kworker/3:1+events22:27:303
86083099248312,2467cyclictest916777-21kworker/1:0+events22:06:121
86083299248211,2467cyclictest868871-21kworker/2:0+events19:42:552
86083299248110,2468cyclictest964358-21kworker/2:1+events00:32:122
86083299247912,2464cyclictest908671-21kworker/2:2+events21:42:062
86083299247912,2464cyclictest900757-21kworker/2:2+events21:16:142
86083299247812,2463cyclictest930983-21kworker/2:2+events22:48:272
86083299247412,2459cyclictest899172-21kworker/2:0+events21:13:152
86083099246312,2447cyclictest937427-21kworker/1:1+events23:08:521
86083699245712,2440cyclictest945196-21kworker/3:2+events23:35:003
8608309924439,2430cyclictest934156-21kworker/1:2+events23:10:241
86083099244312,2427cyclictest962905-21kworker/1:0+events00:28:441
86083699243912,2425cyclictest924577-21kworker/3:2+events22:30:333
8608329924374,2429cyclictest961179-21kworker/2:0+events00:35:182
86083099243312,2418cyclictest886203-21kworker/1:2+events20:40:201
86083699242610,2412cyclictest867390-21kworker/3:0+events19:35:173
86083699241611,2402cyclictest954901-21kworker/3:2+events00:09:073
86083099240912,2393cyclictest940705-21kworker/1:0+events23:28:311
86083099240810,2394cyclictest959696-21kworker/1:2+events00:30:141
86083699240612,2391cyclictest897710-21kworker/3:2+events21:28:243
86083699240412,2389cyclictest876978-21kworker/3:0+events20:06:093
86082699240412,2388cyclictest888128-21kworker/0:2+events20:34:170
86083099240312,2388cyclictest934156-21kworker/1:2+events23:15:481
86083099240312,2388cyclictest870565-21kworker/1:2+events19:52:011
86083699240210,2389cyclictest869261-21kworker/3:1+events20:12:123
86083099240212,2387cyclictest951746-21kworker/1:1+events00:22:371
86083099240211,2389cyclictest889639-21kworker/1:1+events21:00:061
86083699240112,2385cyclictest958112-21kworker/3:1+events00:17:103
86083099240112,2385cyclictest962905-21kworker/1:0+events00:37:101
86083699240011,2385cyclictest907038-21kworker/3:0+events21:33:233
86083099240010,2388cyclictest876786-21kworker/1:0+events20:00:041
86083699239912,2384cyclictest953167-21kworker/3:0+events23:58:453
8608309923999,2386cyclictest921410-21kworker/1:0+events22:24:291
86083099239911,2386cyclictest940705-21kworker/1:0+events23:35:451
86083099239911,2385cyclictest940705-21kworker/1:0+events23:54:541
86083699239811,2384cyclictest911944-21kworker/3:0+events21:53:343
86083099239812,2383cyclictest870565-21kworker/1:2+events19:42:101
86083099239812,2382cyclictest899012-21kworker/1:2+events21:09:501
86083099239811,2384cyclictest942336-21kworker/1:1+events23:34:131
86083699239712,2383cyclictest871833-21kworker/3:2+events19:45:133
86083699239712,2381cyclictest939152-21kworker/3:0+events23:16:583
86083699239611,2382cyclictest886082-21kworker/3:0+events20:28:363
86083699239610,2383cyclictest961358-21kworker/3:1+events00:36:273
86083699239610,2382cyclictest918024-21kworker/3:2+events22:21:253
86083699239012,2375cyclictest937519-21kworker/3:2+events23:13:053
86083699238912,2373cyclictest928079-21kworker/3:1+events22:45:003
86083699238812,2372cyclictest915256-21kworker/3:0+events22:02:443
86083699237812,2362cyclictest954901-21kworker/3:2+events00:11:003
86083699237712,2361cyclictest928079-21kworker/3:1+events22:53:233
86083299237411,2360cyclictest942275-21kworker/2:1+events23:57:592
86082699236012,2345cyclictest945392-21kworker/0:1+events23:37:410
86083299235711,2342cyclictest924607-21kworker/2:1+events22:38:132
86083099235211,2338cyclictest881403-21kworker/1:0+events20:31:371
86083699234912,2334cyclictest897710-21kworker/3:2+events21:06:283
86082699234812,2333cyclictest899279-21kworker/0:2+events21:12:280
86082699234712,2332cyclictest886172-21kworker/0:0+events20:57:330
86082699234612,2331cyclictest956411-21kworker/0:2+events00:09:300
86082699234511,2330cyclictest884575-21kworker/0:1+events20:27:040
86083099234414,2328cyclictest855681-21kworker/1:2+events19:30:461
86082699234012,2325cyclictest886172-21kworker/0:0+events20:44:530
86082699233910,2326cyclictest903860-21kworker/0:2+events21:23:020
86082699233611,2323cyclictest924455-21kworker/0:0+events22:40:070
86082699233611,2321cyclictest922855-21kworker/0:1+events22:25:130
86082699233510,2322cyclictest926093-21kworker/0:2+events22:47:400
86083099232911,2314cyclictest870565-21kworker/1:2+events19:46:011
86082699232912,2315cyclictest947057-21kworker/0:0+events23:55:410
86083699232712,2312cyclictest869261-21kworker/3:1+events20:23:423
86083099232512,2310cyclictest951746-21kworker/1:1+events00:06:231
86083299232312,2307cyclictest930983-21kworker/2:2+events22:54:092
86083299232211,2308cyclictest953289-21kworker/2:0+events00:01:262
8608269923228,2312cyclictest868786-21kworker/0:1+events19:40:180
86082699232010,2307cyclictest886172-21kworker/0:0+events20:37:170
86083299231912,2303cyclictest910371-21kworker/2:0+events22:03:522
86082699231912,2303cyclictest926093-21kworker/0:2+events22:34:230
86082699231712,2302cyclictest956730-21kworker/0:3+events00:29:530
86082699231611,2301cyclictest916747-21kworker/0:2+events22:21:480
86082699231012,2295cyclictest963057-21kworker/0:1+events00:37:320
8608269923099,2298cyclictest900858-21kworker/0:1+events21:15:050
8608369923088,2297cyclictest861969-21kworker/3:1+events19:23:593
86083299230412,2288cyclictest899172-21kworker/2:0+events21:32:592
86083299229910,2286cyclictest891084-21kworker/2:1+events20:44:072
86082699229512,2279cyclictest947057-21kworker/0:0+events23:48:260
86083699229211,2278cyclictest946908-21kworker/3:1+events23:50:443
86083299229110,2278cyclictest878232-21kworker/2:2+events20:13:242
86083699228810,2274cyclictest961358-21kworker/3:1+events00:29:073
86082699228212,2267cyclictest947057-21kworker/0:0+events23:43:010
86082699228111,2267cyclictest886172-21kworker/0:0+events21:01:110
86083299227511,2260cyclictest878232-21kworker/2:2+events20:02:212
86083299227510,2262cyclictest910371-21kworker/2:0+events21:49:212
86083299227410,2260cyclictest943937-21kworker/2:2+events23:34:372
86083299227210,2258cyclictest937609-21kworker/2:2+events23:12:422
8608329922709,2258cyclictest918086-21kworker/2:1+events22:07:392
86083299226911,2255cyclictest884751-21kworker/2:2+events20:26:422
86083299226811,2253cyclictest961179-21kworker/2:0+events00:21:502
86083299226711,2253cyclictest937609-21kworker/2:2+events23:17:452
86083299226510,2251cyclictest942275-21kworker/2:1+events23:36:092
86083299226111,2246cyclictest899172-21kworker/2:0+events21:26:522
86083299226011,2246cyclictest910371-21kworker/2:0+events21:51:372
86083299226010,2248cyclictest942275-21kworker/2:1+events23:25:052
86083299226010,2246cyclictest935969-21kworker/2:0+events23:23:322
86082699225911,2245cyclictest870706-21kworker/0:2+events19:56:360
86083299225511,2241cyclictest907067-21kworker/2:1+events21:38:172
86083299225311,2239cyclictest951684-21kworker/2:2+events23:54:312
86083099225310,2239cyclictest884602-21kworker/1:1+events20:26:181
86083299225211,2238cyclictest865900-21kworker/2:3+events19:33:232
86083299225210,2239cyclictest924607-21kworker/2:1+events22:41:372
86082699225112,2236cyclictest891408-21kworker/0:2+events20:48:430
86083299225011,2236cyclictest919683-21kworker/2:0+events22:13:232
8608329922499,2237cyclictest950049-21kworker/2:0+events23:48:022
86083699224711,2232cyclictest908638-21kworker/3:1+events21:39:043
86083299223911,2224cyclictest958402-21kworker/2:2+events00:19:292
86082699223211,2217cyclictest937458-21kworker/0:0+events23:12:190
86083299222911,2215cyclictest883101-21kworker/2:1+events20:19:312
86083699222411,2210cyclictest867390-21kworker/3:0+events19:32:403
86083099222410,2210cyclictest907008-21kworker/1:0+events21:34:301
86083699222311,2208cyclictest897710-21kworker/3:2+events21:24:103
86083099222110,2208cyclictest863953-21kworker/1:1+events19:20:321
86083299221911,2205cyclictest921380-21kworker/2:2+events22:28:152
86083099221310,2200cyclictest911678-21kworker/1:2+events21:57:451
8608309922129,2200cyclictest940705-21kworker/1:0+events23:44:571
86083099221211,2198cyclictest881403-21kworker/1:0+events20:36:351
86083099221111,2197cyclictest902296-21kworker/1:0+events21:21:541
8608309922097,2198cyclictest855681-21kworker/1:2+events19:19:011
86083099220810,2195cyclictest929532-21kworker/1:1+events23:00:431
8608309922069,2194cyclictest873861-21kworker/1:1+events20:06:311
8608369922058,2194cyclictest882888-21kworker/3:2+events20:30:053
86083099220511,2191cyclictest878467-21kworker/1:2+events20:21:031
86083099220510,2191cyclictest911678-21kworker/1:2+events22:01:571
86083699220411,2189cyclictest922914-21kworker/3:0+events22:39:453
86083699220411,2189cyclictest875120-21kworker/3:2+events19:53:103
86083699220410,2191cyclictest864107-21kworker/3:0+events19:19:483
86083099220310,2190cyclictest907008-21kworker/1:0+events21:48:361
86083699220212,2187cyclictest939152-21kworker/3:0+events23:43:483
86083699220211,2188cyclictest911944-21kworker/3:0+events21:49:433
86083699220211,2187cyclictest929734-21kworker/3:2+events22:45:243
86083699220210,2189cyclictest934278-21kworker/3:2+events23:02:153
8608309922029,2190cyclictest894468-21kworker/1:2+events20:58:381
86083099220210,2188cyclictest868928-21kworker/1:0+events19:37:351
86083699220110,2188cyclictest908638-21kworker/3:1+events22:09:553
86083699220010,2187cyclictest939152-21kworker/3:0+events23:46:303
86082699220011,2186cyclictest911739-21kworker/0:1+events21:53:570
8608369921998,2188cyclictest908638-21kworker/3:1+events21:56:123
86083699219911,2185cyclictest932614-21kworker/3:0+events22:57:383
86083699219811,2185cyclictest888010-21kworker/3:1+events20:35:033
86083699219811,2183cyclictest889815-21kworker/3:2+events20:42:353
86083099219811,2184cyclictest940705-21kworker/1:0+events23:47:181
86083099219710,2184cyclictest878467-21kworker/1:2+events20:17:371
8608369921968,2184cyclictest865758-21kworker/3:2+events19:29:373
86083699219610,2183cyclictest886082-21kworker/3:0+events20:46:283
86083699219610,2183cyclictest869261-21kworker/3:1+events19:55:523
86083099219510,2182cyclictest921410-21kworker/1:0+events22:35:531
86083699219410,2181cyclictest919622-21kworker/3:0+events22:12:593
8608329921949,2182cyclictest935969-21kworker/2:0+events23:05:232
8608369921928,2181cyclictest945196-21kworker/3:2+events23:35:223
86083699219111,2177cyclictest869261-21kworker/3:1+events19:40:393
86083099219111,2176cyclictest867181-21kworker/1:1+events19:29:151
86083699218711,2173cyclictest899375-21kworker/3:0+events21:12:523
86082699218712,2172cyclictest878450-21kworker/0:1+events20:09:560
8608329921859,2173cyclictest894291-21kworker/2:0+events20:59:222
86083099218011,2166cyclictest921410-21kworker/1:0+events22:27:531
8608309921769,2163cyclictest900668-21kworker/1:1+events21:17:441
86083099217510,2162cyclictest958081-21kworker/1:0+events00:12:541
8608369921748,2163cyclictest919622-21kworker/3:0+events22:15:403
86082699217411,2160cyclictest919919-21kworker/0:0+events22:19:070
86083099217310,2160cyclictest934156-21kworker/1:2+events23:22:221
8608309921689,2156cyclictest900668-21kworker/1:1+events21:42:491
86083099216810,2155cyclictest889639-21kworker/1:1+events20:47:571
8608269921673,2160cyclictest886172-21kworker/0:0+events21:31:080
86083299216310,2150cyclictest910371-21kworker/2:0+events21:56:362
86083099215911,2145cyclictest929532-21kworker/1:1+events22:56:051
86083099213510,2122cyclictest896153-21kworker/1:0+events21:10:341
86083699213110,2118cyclictest891505-21kworker/3:1+events21:04:353
86082699212911,2114cyclictest956730-21kworker/0:3+events00:24:300
86082699212711,2113cyclictest959571-21kworker/0:1+events00:16:460
86083299212610,2113cyclictest899172-21kworker/2:0+events21:20:222
86083299212511,2111cyclictest853951-21kworker/2:1+events19:28:522
86083099212410,2111cyclictest929532-21kworker/1:1+events22:51:531
8608369921228,2110cyclictest939152-21kworker/3:0+events23:21:113
8608369921198,2108cyclictest943347-21kworker/3:1+events23:28:543
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86082699211811,2103cyclictest882947-21kworker/0:0+events20:18:000
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8608329921168,2105cyclictest930983-21kworker/2:2+events22:56:502
86082699211611,2102cyclictest940675-21kworker/0:0+events23:28:070
86083299211510,2101cyclictest956716-21kworker/2:0+events00:14:502
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86082699211411,2100cyclictest880067-21kworker/0:2+events20:21:470
86082699211311,2100cyclictest924455-21kworker/0:0+events22:35:070
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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