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2026-09-12 - 16:52

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 Sat Sep 12, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
104606999305015,3031cyclictest1086479-21kworker/3:2+events21:15:173
104606999293714,2918cyclictest1120528-21kworker/3:2+events23:10:183
104606999279013,2775cyclictest1094684-21kworker/3:0+events21:40:003
104606999279013,2775cyclictest1094684-21kworker/3:0+events21:40:003
104606999278613,2768cyclictest1072745-21kworker/3:1+events20:35:013
104606999275713,2741cyclictest1110882-21kworker/3:2+events22:50:103
104606999272013,2703cyclictest1107540-21kworker/3:2+events22:20:173
104606699271813,2701cyclictest1078479-21kworker/2:0+events21:20:112
104606999271710,2702cyclictest1075058-21kworker/3:0+events20:45:133
104605999271713,2701cyclictest1047639-21kworker/0:0+events19:20:000
104606699271112,2695cyclictest1144579-21kworker/2:2+events00:34:342
104606999270713,2690cyclictest1144365-21kworker/3:2+events00:12:393
104605999269213,2675cyclictest1059361-21kworker/0:0+events19:55:200
104605999267713,2660cyclictest1138244-21kworker/0:1+events00:25:550
104606999264913,2632cyclictest1120528-21kworker/3:2+events23:20:103
104606999262611,2611cyclictest1128534-21kworker/3:0+events23:39:033
104606999259212,2576cyclictest1070655-21kworker/3:2+events20:50:333
104605999255611,2541cyclictest1061148-21kworker/0:2+events20:07:300
104606699251312,2497cyclictest1040468-21kworker/2:1+events19:40:112
104606699249811,2484cyclictest1078479-21kworker/2:0+events20:59:382
104606699249212,2476cyclictest1127062-21kworker/2:2+events23:19:242
10460669924888,2476cyclictest1073515-21kworker/2:0+events20:39:362
104606999248612,2470cyclictest1081474-21kworker/3:2+events21:00:233
104606699248211,2467cyclictest1102624-21kworker/2:1+events22:11:152
104606699248112,2465cyclictest1040468-21kworker/2:1+events19:59:102
104606699247912,2463cyclictest1065735-21kworker/2:1+events20:26:552
104606699247911,2465cyclictest1144579-21kworker/2:2+events00:27:492
10460669924758,2463cyclictest1139603-21kworker/2:1+events00:13:032
104606999247310,2459cyclictest1062188-21kworker/3:0+events20:01:043
104606999247212,2456cyclictest1144365-21kworker/3:2+events00:19:093
104606699247111,2457cyclictest1090445-21kworker/2:2+events21:25:512
104606699247012,2455cyclictest1150722-21kworker/2:1+events00:35:212
104606699246812,2452cyclictest1040468-21kworker/2:1+events19:37:572
104606999245212,2437cyclictest1065658-21kworker/3:1+events20:23:293
104606499244811,2434cyclictest1134869-21kworker/1:0+events23:51:281
104605999244712,2431cyclictest1070627-21kworker/0:1+events20:28:060
104606699244212,2426cyclictest1090445-21kworker/2:2+events21:55:152
104605999243712,2420cyclictest1083157-21kworker/0:2+events21:10:190
104605999243412,2418cyclictest1125221-21kworker/0:2+events23:46:360
104605999243312,2417cyclictest1079902-21kworker/0:2+events20:52:270
104606999242711,2412cyclictest1088113-21kworker/3:1+events21:48:063
104606699242712,2412cyclictest1144579-21kworker/2:2+events00:23:202
104606499242312,2408cyclictest1109140-21kworker/1:2+events22:25:331
104606999242212,2406cyclictest1041360-21kworker/3:0+events19:26:283
104606499242112,2406cyclictest1110817-21kworker/1:1+events22:33:501
104606499242011,2405cyclictest1114140-21kworker/1:0+events22:42:361
104606699241912,2403cyclictest1120496-21kworker/2:1+events23:38:192
104606499241612,2400cyclictest1109140-21kworker/1:2+events22:22:541
104605999241512,2397cyclictest1106235-21kworker/0:0+events22:16:090
104606699241412,2398cyclictest1128740-21kworker/2:0+events23:28:502
104606999241112,2395cyclictest1041360-21kworker/3:0+events19:31:023
104605999241112,2395cyclictest1115695-21kworker/0:1+events22:53:590
104605999241112,2395cyclictest1088080-21kworker/0:1+events21:31:550
10460599924097,2399cyclictest1091300-21kworker/0:0+events21:41:100
104606699240710,2393cyclictest1049382-21kworker/2:0+events19:18:272
104606699240512,2389cyclictest1117178-21kworker/2:0+events22:53:132
104606999240412,2389cyclictest1062188-21kworker/3:0+events20:06:453
104606699240412,2388cyclictest1135152-21kworker/2:3+events23:48:092
104606699240110,2388cyclictest1117178-21kworker/2:0+events22:59:172
104606699240012,2384cyclictest1065735-21kworker/2:1+events20:20:012
104606699239912,2384cyclictest1112895-21kworker/2:2+events22:41:282
104606699239812,2382cyclictest1092783-21kworker/2:1+events21:34:572
104606699239812,2382cyclictest1040468-21kworker/2:1+events19:25:412
104606699239811,2385cyclictest1097915-21kworker/2:0+events21:51:072
104606699239811,2384cyclictest1070752-21kworker/2:2+events20:31:102
104606699239811,2383cyclictest1107784-21kworker/2:0+events22:23:172
104606999239711,2382cyclictest1114157-21kworker/3:0+events22:40:183
104606699239711,2383cyclictest1120496-21kworker/2:1+events23:32:402
104606699239711,2383cyclictest1094411-21kworker/2:0+events21:40:472
104606699239710,2383cyclictest1083335-21kworker/2:2+events21:08:052
104606699239612,2381cyclictest1120496-21kworker/2:1+events23:40:552
104606699239611,2383cyclictest1120496-21kworker/2:1+events23:05:242
104606699239512,2379cyclictest1117178-21kworker/2:0+events23:04:162
104606499239512,2379cyclictest1060750-21kworker/1:2+events19:59:331
104606699239412,2379cyclictest1102624-21kworker/2:1+events22:33:292
10460699923939,2380cyclictest1041360-21kworker/3:0+events19:14:433
104606999239312,2378cyclictest1147719-21kworker/3:0+events00:26:173
104606999239311,2379cyclictest1147719-21kworker/3:0+events00:33:243
104606699239312,2378cyclictest1065735-21kworker/2:1+events20:11:402
104605999239210,2378cyclictest1131770-21kworker/0:0+events23:34:100
104606999239110,2378cyclictest1147719-21kworker/3:0+events00:37:143
104606999239012,2374cyclictest1075058-21kworker/3:0+events20:37:183
104606699238911,2374cyclictest1090445-21kworker/2:2+events22:01:432
104606999238812,2373cyclictest1109280-21kworker/3:1+events22:26:183
104606999238812,2373cyclictest1097976-21kworker/3:0+events21:53:453
104606999238812,2373cyclictest1041360-21kworker/3:0+events19:41:213
104606999238811,2374cyclictest1117237-21kworker/3:1+events22:56:153
104606999238712,2372cyclictest1050948-21kworker/3:1+events19:23:243
104606999238712,2371cyclictest1146000-21kworker/3:1+events00:20:193
104606999238712,2371cyclictest1091482-21kworker/3:2+events21:44:353
104606999238612,2371cyclictest1117237-21kworker/3:1+events23:03:093
104606999238612,2370cyclictest1101206-21kworker/3:1+events22:15:003
104606999238610,2374cyclictest1079873-21kworker/3:1+events21:05:463
104606999238512,2369cyclictest1102862-21kworker/3:2+events22:05:563
104606999238511,2370cyclictest1112482-21kworker/3:1+events22:36:503
104606499238511,2370cyclictest1086419-21kworker/1:0+events21:24:431
104606699238311,2368cyclictest1068758-21kworker/2:0+events20:20:232
104606999238212,2368cyclictest1067367-21kworker/3:2+events20:15:053
104606999238210,2369cyclictest1097976-21kworker/3:0+events22:01:203
10460649923809,2368cyclictest1099577-21kworker/1:1+events22:02:301
104606699237914,2361cyclictest1102624-21kworker/2:1+events22:30:002
10460699923789,2366cyclictest1139696-21kworker/3:1+events23:58:423
104605999237812,2362cyclictest1112328-21kworker/0:0+events22:44:530
104606499237612,2360cyclictest1110817-21kworker/1:1+events22:36:261
104606999237211,2358cyclictest1139696-21kworker/3:1+events00:00:583
104605999237212,2356cyclictest1100996-21kworker/0:1+events21:57:560
104605999237112,2355cyclictest1083157-21kworker/0:2+events21:04:130
104606499236511,2350cyclictest1150807-21kworker/1:0+events00:33:491
104605999236511,2351cyclictest1091300-21kworker/0:0+events21:39:150
104605999236511,2351cyclictest1091300-21kworker/0:0+events21:39:140
10460649923636,2353cyclictest1138104-21kworker/1:2+events23:55:411
104606999236112,2346cyclictest1126843-21kworker/3:1+events23:16:463
104606999236012,2344cyclictest1089797-21kworker/3:0+events21:23:573
104605999236012,2346cyclictest1057676-21kworker/0:1+events19:50:490
104605999236012,2345cyclictest1115695-21kworker/0:1+events22:57:240
104605999236012,2344cyclictest1091300-21kworker/0:0+events22:06:420
104606499235811,2343cyclictest1150807-21kworker/1:0+events00:38:231
104606699235710,2343cyclictest1060878-21kworker/2:2+events20:07:532
104605999235512,2339cyclictest1110730-21kworker/0:1+events22:28:530
104606499235312,2338cyclictest1101230-21kworker/1:2+events21:59:491
104605999235311,2338cyclictest1072233-21kworker/0:0+events20:57:000
104606499235210,2338cyclictest1078536-21kworker/1:2+events21:12:571
104606499235112,2335cyclictest1049378-21kworker/1:1+events19:30:181
104605999235112,2336cyclictest1115695-21kworker/0:1+events22:49:480
104605999235111,2336cyclictest1084791-21kworker/0:0+events21:21:210
104606499235010,2336cyclictest1057426-21kworker/1:0+events19:48:101
10460599923499,2337cyclictest1056028-21kworker/0:2+events19:39:490
104605999234912,2334cyclictest1125221-21kworker/0:2+events23:17:090
104606699234811,2334cyclictest1112895-21kworker/2:2+events22:38:462
104606699234612,2331cyclictest1076878-21kworker/2:2+events20:48:382
104606499234512,2331cyclictest1078536-21kworker/1:2+events21:00:021
104606499234212,2326cyclictest1049378-21kworker/1:1+events20:12:041
104606499234212,2326cyclictest1049378-21kworker/1:1+events20:07:081
104606499234012,2325cyclictest1121944-21kworker/1:1+events23:06:301
104605999234012,2325cyclictest1094624-21kworker/0:1+events21:46:560
104606499233912,2325cyclictest1145881-21kworker/1:2+events00:22:361
104606499233912,2325cyclictest1065883-21kworker/1:0+events20:23:051
104606499233811,2323cyclictest1138104-21kworker/1:2+events00:03:371
104605999233612,2321cyclictest1065763-21kworker/0:0+events20:11:180
104605999233610,2323cyclictest1063874-21kworker/0:1+events20:02:590
104606499233212,2317cyclictest1097899-21kworker/1:0+events21:54:301
104605999233112,2315cyclictest1107868-21kworker/0:2+events22:22:070
104606699233011,2316cyclictest1120496-21kworker/2:1+events23:12:342
104605999233011,2317cyclictest1123547-21kworker/0:0+events23:12:120
104605999232911,2315cyclictest1138244-21kworker/0:1+events00:08:110
104606699232811,2313cyclictest1075252-21kworker/2:1+events20:43:232
104605999232812,2314cyclictest1056028-21kworker/0:2+events19:46:140
104605999232812,2313cyclictest1052845-21kworker/0:0+events19:29:100
104605999232812,2312cyclictest1065763-21kworker/0:0+events20:21:560
104605999232712,2311cyclictest1089707-21kworker/0:2+events21:26:350
104605999232611,2311cyclictest1107868-21kworker/0:2+events22:30:450
104605999232512,2310cyclictest1120632-21kworker/0:2+events23:01:570
104606699232412,2306cyclictest1094411-21kworker/2:0+events21:37:402
104606699232412,2306cyclictest1094411-21kworker/2:0+events21:37:402
104605999232412,2310cyclictest1138244-21kworker/0:1+events00:36:060
104605999232411,2309cyclictest1091300-21kworker/0:0+events22:02:060
104605999232312,2307cyclictest1138244-21kworker/0:1+events23:59:040
104606699232210,2308cyclictest1137944-21kworker/2:0+events23:57:102
104605999231911,2305cyclictest1127149-21kworker/0:0+events23:21:180
104606699231012,2296cyclictest1102624-21kworker/2:1+events22:06:202
104606699230212,2286cyclictest1127062-21kworker/2:2+events23:23:122
104605999229410,2280cyclictest1144331-21kworker/0:2+events00:13:250
104606999229111,2276cyclictest1079873-21kworker/3:1+events20:59:153
104605999227312,2257cyclictest1078301-21kworker/0:1+events20:47:070
10460649922697,2259cyclictest1042338-21kworker/1:2+events19:12:461
104606999226810,2254cyclictest1110882-21kworker/3:2+events22:47:543
104606499226511,2251cyclictest1121944-21kworker/1:1+events23:03:531
104606999226412,2248cyclictest1107540-21kworker/3:2+events22:16:323
104606499226411,2250cyclictest1092803-21kworker/1:0+events21:33:501
104605999226311,2249cyclictest1112328-21kworker/0:0+events22:37:350
10460669922629,2249cyclictest1040468-21kworker/2:1+events19:51:342
10460599922598,2248cyclictest1072233-21kworker/0:0+events20:41:060
104606999225210,2239cyclictest1117237-21kworker/3:1+events23:05:473
104605999225211,2237cyclictest1056028-21kworker/0:2+events19:42:500
104606999224311,2229cyclictest1128534-21kworker/3:0+events23:45:523
104606499223310,2219cyclictest1115781-21kworker/1:2+events22:47:331
104606499222910,2216cyclictest1045595-21kworker/1:0+events19:26:521
104606999222111,2206cyclictest1086479-21kworker/3:2+events21:14:073
104606999221812,2203cyclictest1057784-21kworker/3:2+events19:52:193
10460699922079,2194cyclictest1128534-21kworker/3:0+events23:52:163
104606699220211,2187cyclictest1040468-21kworker/2:1+events19:48:532
104606699220111,2187cyclictest1139603-21kworker/2:1+events00:03:132
104606699220010,2187cyclictest1083335-21kworker/2:2+events21:12:352
104606499220010,2186cyclictest1073624-21kworker/1:1+events20:39:131
10460699921999,2187cyclictest1091482-21kworker/3:2+events21:30:463
10460669921999,2186cyclictest1060878-21kworker/2:2+events20:03:202
104606699219910,2185cyclictest1137944-21kworker/2:0+events23:51:522
104605999219911,2185cyclictest1138244-21kworker/0:1+events00:22:130
104606699219811,2184cyclictest1097915-21kworker/2:0+events21:49:162
104606699219811,2183cyclictest1040468-21kworker/2:1+events19:31:252
104606999219711,2183cyclictest1089797-21kworker/3:0+events21:26:573
104606999219212,2177cyclictest1139696-21kworker/3:1+events00:05:293
104606999218811,2174cyclictest1126843-21kworker/3:1+events23:26:373
104606999218810,2175cyclictest1097976-21kworker/3:0+events21:56:453
104606499218811,2174cyclictest1133251-21kworker/1:2+events23:46:161
104606999218711,2173cyclictest1075058-21kworker/3:0+events20:42:583
104606999218710,2173cyclictest1069029-21kworker/3:0+events20:29:383
104606999218610,2173cyclictest1041360-21kworker/3:0+events19:36:493
10460699921858,2173cyclictest1065658-21kworker/3:1+events20:13:363
104606999218511,2171cyclictest1041360-21kworker/3:0+events19:45:533
104606699218511,2171cyclictest1139603-21kworker/2:1+events00:09:192
104606499218511,2171cyclictest1073624-21kworker/1:1+events20:41:291
104606999218411,2170cyclictest1062188-21kworker/3:0+events19:57:393
104606699218411,2169cyclictest1081711-21kworker/2:1+events21:03:292
104605999218411,2169cyclictest1083157-21kworker/0:2+events21:09:330
104606999218311,2169cyclictest1047172-21kworker/3:1+events19:15:463
104606499218310,2170cyclictest1141563-21kworker/1:0+events00:07:481
104606699218111,2166cyclictest1144579-21kworker/2:2+events00:17:132
10460699921799,2167cyclictest1128534-21kworker/3:0+events23:44:423
104605999217611,2162cyclictest1138244-21kworker/0:1+events00:00:140
104606699216811,2154cyclictest1115543-21kworker/2:1+events22:47:092
104606499216011,2146cyclictest1065883-21kworker/1:0+events20:29:161
10460649921599,2146cyclictest1078536-21kworker/1:2+events20:55:521
104606499215910,2146cyclictest1144275-21kworker/1:1+events00:15:211
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104606499215511,2141cyclictest1078536-21kworker/1:2+events21:05:231
10460649921528,2140cyclictest1094420-21kworker/1:2+events21:45:451
10460669921515,2143cyclictest1078479-21kworker/2:0+events20:53:362
104605999214712,2132cyclictest1138244-21kworker/0:1+events00:15:440
104606499214310,2130cyclictest1133251-21kworker/1:2+events23:42:051
104606499214310,2130cyclictest1073624-21kworker/1:1+events20:53:121
104605999214311,2129cyclictest1088080-21kworker/0:1+events21:17:580
104606499214211,2127cyclictest1071992-21kworker/1:2+events20:31:341
10460649921416,2132cyclictest1141563-21kworker/1:0+events00:25:321
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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