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2026-07-22 - 00:04

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 Tue Jul 21, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118004999316015,3140cyclictest1233663-21kworker/2:0+events22:05:112
118004499285613,2840cyclictest1231798-21kworker/0:2+events22:30:130
118005599285411,2841cyclictest1217400-21kworker/3:0+events21:10:193
118004799283013,2812cyclictest1279178-21kworker/1:1+events00:20:191
118004499282213,2805cyclictest1215813-21kworker/0:2+events21:05:000
118004999280014,2782cyclictest1198218-21kworker/2:0+events20:05:142
118004799279713,2780cyclictest1220689-21kworker/1:0+events21:15:131
118004799279713,2780cyclictest1220689-21kworker/1:0+events21:15:121
118004499278816,2768cyclictest1203001-21kworker/0:1+events20:35:200
118004799277112,2755cyclictest1210942-21kworker/1:0+events21:01:351
118004799277110,2757cyclictest1262826-21kworker/1:2+events23:30:211
118004799273713,2722cyclictest1188008-21kworker/1:2+events19:41:431
118004999273512,2719cyclictest1243010-21kworker/2:0+events22:27:112
118004999273213,2715cyclictest1244614-21kworker/2:2+events22:33:412
118004799273213,2715cyclictest1217462-21kworker/1:2+events21:09:361
118004999272713,2710cyclictest1230089-21kworker/2:2+events21:52:132
118005599265013,2634cyclictest1217400-21kworker/3:0+events21:18:383
118005599265013,2634cyclictest1217400-21kworker/3:0+events21:18:373
118005599263713,2620cyclictest1274500-21kworker/3:1+events00:15:213
118004799261312,2597cyclictest1279178-21kworker/1:1+events00:18:491
11800479926036,2593cyclictest1222537-21kworker/1:1+events21:36:391
118005599259313,2576cyclictest1228559-21kworker/3:2+events21:50:403
118004499256912,2555cyclictest1220509-21kworker/0:1+events21:40:270
118004499255611,2542cyclictest1217491-21kworker/0:0+events21:16:420
118004499255611,2542cyclictest1217491-21kworker/0:0+events21:16:420
118004499253510,2521cyclictest1199758-21kworker/0:0+events20:09:240
118004799253412,2516cyclictest1210942-21kworker/1:0+events20:47:551
118005599253310,2519cyclictest1186391-21kworker/3:2+events19:27:293
118004799253312,2517cyclictest1262826-21kworker/1:2+events23:37:261
118004799253312,2516cyclictest1281059-21kworker/1:2+events00:25:171
118004499253112,2515cyclictest1259485-21kworker/0:1+events23:23:060
118004799252910,2515cyclictest1242945-21kworker/1:0+events22:25:181
118004799252712,2512cyclictest1204568-21kworker/1:2+events20:38:451
118004799252011,2506cyclictest1239434-21kworker/1:1+events22:15:231
11800479925149,2501cyclictest1191291-21kworker/1:0+events19:46:121
118004799251414,2496cyclictest1176525-21kworker/1:0+events19:33:531
118004799251310,2499cyclictest1191291-21kworker/1:0+events19:56:541
118004499251312,2497cyclictest1242884-21kworker/0:0+events22:21:480
118004999251212,2496cyclictest1265911-21kworker/2:2+events23:34:262
118004999251211,2497cyclictest1217368-21kworker/2:2+events21:22:292
118004799251211,2497cyclictest1248058-21kworker/1:1+events22:44:171
118004999251012,2495cyclictest1211235-21kworker/2:2+events20:53:152
118004999251012,2494cyclictest1186643-21kworker/2:2+events19:34:152
118004999251011,2496cyclictest1272578-21kworker/2:0+events00:00:342
118004799251012,2494cyclictest1226832-21kworker/1:0+events21:40:501
118004999250912,2493cyclictest1215656-21kworker/2:0+events21:02:212
118004799250912,2493cyclictest1251621-21kworker/1:2+events22:52:151
118004499250812,2492cyclictest1226801-21kworker/0:2+events21:32:290
118004499250710,2493cyclictest1185025-21kworker/0:0+events19:40:340
118004499250612,2492cyclictest1265938-21kworker/0:0+events23:43:080
118004799250512,2489cyclictest1262826-21kworker/1:2+events23:47:191
118004799250412,2488cyclictest1235082-21kworker/1:2+events22:38:371
118004499250412,2488cyclictest1228402-21kworker/0:0+events21:49:370
118004999250312,2487cyclictest1217368-21kworker/2:2+events21:10:402
118004499250310,2489cyclictest1211504-21kworker/0:0+events20:47:090
118004799250212,2486cyclictest1253498-21kworker/1:1+events23:06:211
118004799250212,2486cyclictest1253498-21kworker/1:1+events23:06:211
118004499250212,2486cyclictest1217491-21kworker/0:0+events21:12:130
118004499250112,2485cyclictest1220509-21kworker/0:1+events21:37:020
118004999250012,2485cyclictest1261353-21kworker/2:0+events23:35:112
118004499249811,2484cyclictest1225137-21kworker/0:0+events21:29:250
118004999249712,2481cyclictest1267598-21kworker/2:1+events23:49:592
118004499249712,2481cyclictest1196183-21kworker/0:2+events20:16:420
118004999249412,2479cyclictest1241350-21kworker/2:2+events22:17:592
118004499249211,2477cyclictest1272457-21kworker/0:0+events23:54:340
118004999249112,2475cyclictest1166660-21kworker/2:0+events19:24:002
118004999249111,2476cyclictest1206060-21kworker/2:2+events20:33:282
118004999248412,2468cyclictest1248143-21kworker/2:1+events22:48:512
118004999248412,2468cyclictest1209585-21kworker/2:0+events20:47:322
118004499248412,2469cyclictest1209618-21kworker/0:2+events20:41:250
11800499924837,2472cyclictest1233663-21kworker/2:0+events22:01:032
118004999248312,2468cyclictest1191473-21kworker/2:2+events19:48:312
118004999248112,2465cyclictest1196151-21kworker/2:2+events20:10:572
11800479924819,2468cyclictest1230150-21kworker/1:1+events21:51:511
118004799248112,2465cyclictest1259304-21kworker/1:0+events23:18:531
118004499248111,2466cyclictest1176644-21kworker/0:2+events19:15:590
118004499248011,2465cyclictest1196183-21kworker/0:2+events20:14:020
118004999247911,2464cyclictest1251705-21kworker/2:0+events22:54:532
118004999247712,2462cyclictest1254505-21kworker/2:1+events22:57:552
118004999247412,2459cyclictest1193402-21kworker/2:1+events19:52:422
118004499247412,2459cyclictest1257827-21kworker/0:0+events23:09:240
118004499247412,2459cyclictest1257827-21kworker/0:0+events23:09:240
118005599247311,2459cyclictest1217400-21kworker/3:0+events21:06:343
118004499247110,2457cyclictest1254564-21kworker/0:2+events23:00:140
118004999247012,2454cyclictest1248143-21kworker/2:1+events22:40:292
118005599246712,2451cyclictest1228559-21kworker/3:2+events21:56:033
11800479924669,2453cyclictest1189675-21kworker/1:1+events19:39:041
118004499246511,2450cyclictest1246845-21kworker/0:0+events22:56:470
118004799246412,2449cyclictest1222537-21kworker/1:1+events21:20:571
118004799246210,2449cyclictest1183519-21kworker/1:2+events19:20:341
11800479924595,2450cyclictest1222537-21kworker/1:1+events21:32:061
118004799245712,2443cyclictest1208336-21kworker/1:1+events20:51:001
118004799245712,2442cyclictest1196389-21kworker/1:1+events20:09:041
118004799245712,2441cyclictest1259304-21kworker/1:0+events23:29:341
118004999245412,2438cyclictest1193402-21kworker/2:1+events19:56:072
118004499245412,2438cyclictest1279094-21kworker/0:0+events00:19:120
118004799245312,2437cyclictest1235082-21kworker/1:2+events22:22:111
118004799245312,2437cyclictest1163587-21kworker/1:2+events19:13:001
118005599245210,2438cyclictest1269482-21kworker/3:1+events23:47:423
118005599245112,2435cyclictest1236297-21kworker/3:1+events22:03:403
118004999244910,2435cyclictest1207957-21kworker/2:1+events20:43:172
118004799244812,2432cyclictest1277522-21kworker/1:2+events00:13:291
118004799244810,2434cyclictest1235082-21kworker/1:2+events22:14:581
118004499244811,2431cyclictest1259485-21kworker/0:1+events23:32:130
118004999244611,2432cyclictest1233663-21kworker/2:0+events21:55:412
118004799244611,2430cyclictest1194762-21kworker/1:2+events19:54:131
11800559924458,2434cyclictest1207998-21kworker/3:2+events20:42:553
118004799244412,2429cyclictest1202853-21kworker/1:1+events20:18:151
118004799244411,2430cyclictest1253498-21kworker/1:1+events23:10:291
118004999244312,2428cyclictest1166660-21kworker/2:0+events19:26:212
118004499244212,2426cyclictest1187514-21kworker/0:2+events19:31:140
118004799244012,2426cyclictest1181462-21kworker/1:1+events19:15:161
118004799244010,2427cyclictest1208336-21kworker/1:1+events20:44:251
11800499924389,2425cyclictest1219002-21kworker/2:1+events21:09:582
118004799243812,2422cyclictest1244551-21kworker/1:1+events22:30:361
118004499243811,2424cyclictest1275797-21kworker/0:2+events00:05:540
118005599243612,2422cyclictest1207998-21kworker/3:2+events21:01:143
118005599243411,2419cyclictest1256512-21kworker/3:2+events23:57:113
118004799243412,2418cyclictest1285280-21kworker/1:0+events00:37:051
118004799243411,2420cyclictest1198305-21kworker/1:0+events20:22:061
11800559924328,2421cyclictest1264310-21kworker/3:1+events23:30:413
118004799243212,2417cyclictest1199985-21kworker/1:2+events20:12:521
118004799243112,2415cyclictest1186361-21kworker/1:1+events19:29:421
118005599242912,2414cyclictest1181586-21kworker/3:3+events19:17:543
118004999242911,2414cyclictest1257793-21kworker/2:1+events23:22:182
118004799242812,2412cyclictest1274146-21kworker/1:2+events00:02:281
118005599242612,2411cyclictest1228559-21kworker/3:2+events21:49:133
118004799242612,2410cyclictest1262826-21kworker/1:2+events23:41:141
118004799242611,2411cyclictest1270872-21kworker/1:1+events23:53:481
118004499242612,2411cyclictest1211504-21kworker/0:0+events20:54:480
118004999242512,2410cyclictest1186643-21kworker/2:2+events19:37:572
118004499242512,2410cyclictest1246845-21kworker/0:0+events22:50:450
118004499242512,2410cyclictest1196183-21kworker/0:2+events20:22:530
11800499924246,2415cyclictest1206060-21kworker/2:2+events20:28:522
118004799242412,2408cyclictest1222537-21kworker/1:1+events21:25:591
118004799242411,2409cyclictest1253498-21kworker/1:1+events23:00:361
11800479924239,2411cyclictest1204568-21kworker/1:2+events20:26:591
118004799242312,2407cyclictest1226832-21kworker/1:0+events21:47:421
11800499924228,2411cyclictest1231777-21kworker/2:1+events22:13:062
11800499924226,2412cyclictest1261353-21kworker/2:0+events23:25:242
118004999242212,2406cyclictest1223863-21kworker/2:1+events21:25:122
118004999242211,2407cyclictest1250082-21kworker/2:3+events23:15:512
118004799242212,2406cyclictest1253498-21kworker/1:1+events22:58:181
11800499924218,2410cyclictest1222143-21kworker/2:0+events21:37:262
118004999242112,2406cyclictest1280423-21kworker/2:0+events00:34:232
118004799242112,2406cyclictest1196389-21kworker/1:1+events20:04:501
118004799242110,2408cyclictest1285280-21kworker/1:0+events00:34:471
118004799242110,2408cyclictest1217462-21kworker/1:2+events21:12:351
11800449924219,2409cyclictest1185025-21kworker/0:0+events19:25:100
118004999242012,2405cyclictest1189850-21kworker/2:1+events19:41:182
118004799242012,2404cyclictest1272519-21kworker/1:0+events23:55:181
118004499242012,2405cyclictest1254564-21kworker/0:2+events23:12:450
118004499242012,2405cyclictest1203001-21kworker/0:1+events20:29:160
118004999241912,2404cyclictest1250082-21kworker/2:3+events23:07:292
118004999241912,2404cyclictest1250082-21kworker/2:3+events23:07:282
118004799241912,2404cyclictest1248058-21kworker/1:1+events22:46:581
118004799241912,2404cyclictest1235082-21kworker/1:2+events22:01:471
11800449924199,2407cyclictest1246845-21kworker/0:0+events22:38:160
118004499241912,2404cyclictest1189528-21kworker/0:1+events19:53:050
118004499241911,2404cyclictest1286795-21kworker/0:2+events00:36:430
118005599241812,2402cyclictest1212482-21kworker/3:0+events20:50:363
11800499924188,2408cyclictest1230089-21kworker/2:2+events21:45:012
118004999241811,2403cyclictest1222143-21kworker/2:0+events21:19:022
118004999241811,2403cyclictest1222143-21kworker/2:0+events21:19:022
118005599241712,2403cyclictest1248264-21kworker/3:2+events22:45:243
118004999241712,2402cyclictest1222143-21kworker/2:0+events21:34:462
118004999241712,2401cyclictest1201454-21kworker/2:0+events20:23:142
118004499241611,2402cyclictest1189528-21kworker/0:1+events19:49:380
118004499241610,2403cyclictest1183201-21kworker/0:1+events19:23:370
118004499241412,2397cyclictest1280711-21kworker/0:1+events00:30:130
11800499924128,2401cyclictest1267598-21kworker/2:1+events23:40:532
118005599241112,2395cyclictest1256512-21kworker/3:2+events23:13:103
118004999241112,2396cyclictest1215656-21kworker/2:0+events20:59:442
118004499241012,2395cyclictest1267630-21kworker/0:2+events23:55:400
118004499241012,2394cyclictest1244583-21kworker/0:1+events22:29:050
118005599240912,2393cyclictest1207998-21kworker/3:2+events20:45:363
118004999240912,2393cyclictest1285340-21kworker/2:1+events00:35:102
118004499240911,2394cyclictest1265938-21kworker/0:0+events23:36:180
118004499240811,2393cyclictest1222171-21kworker/0:2+events21:22:050
118004499240811,2393cyclictest1203001-21kworker/0:1+events20:33:040
11800499924059,2393cyclictest1193402-21kworker/2:1+events20:01:012
118004999240310,2390cyclictest1250082-21kworker/2:3+events23:02:072
118005599240210,2388cyclictest1223741-21kworker/3:2+events21:23:403
118004999240012,2384cyclictest1277582-21kworker/2:2+events00:13:052
118005599239910,2386cyclictest1217400-21kworker/3:0+events21:30:103
118004999239712,2381cyclictest1244614-21kworker/2:2+events22:39:442
118004499239711,2382cyclictest1193276-21kworker/0:0+events20:01:260
118004499239510,2381cyclictest1277494-21kworker/0:1+events00:10:530
118005599239411,2379cyclictest1201210-21kworker/3:1+events20:23:373
118005599239012,2375cyclictest1191411-21kworker/3:1+events19:50:263
118005599238912,2374cyclictest1274500-21kworker/3:1+events00:06:183
118005599238912,2372cyclictest1196447-21kworker/3:1+events20:02:123
11800559923889,2375cyclictest1236297-21kworker/3:1+events22:06:433
118004799238811,2374cyclictest1259304-21kworker/1:0+events23:22:411
11800449923888,2376cyclictest1272457-21kworker/0:0+events00:02:030
118005599238612,2370cyclictest1280609-21kworker/3:2+events00:29:053
118005599238612,2370cyclictest1239813-21kworker/3:3+events22:32:073
118004999238612,2371cyclictest1257793-21kworker/2:1+events23:10:522
118005599238512,2371cyclictest1194850-21kworker/3:0+events20:10:103
118005599238512,2370cyclictest1274500-21kworker/3:1+events00:02:513
118004799238512,2370cyclictest1204568-21kworker/1:2+events20:31:321
118005599238312,2368cyclictest1206131-21kworker/3:0+events20:33:503
118004799238212,2368cyclictest1235082-21kworker/1:2+events22:05:341
118005599237912,2364cyclictest1269482-21kworker/3:1+events23:44:183
118005599237912,2364cyclictest1189765-21kworker/3:2+events19:39:263
118005599237712,2361cyclictest1189765-21kworker/3:2+events19:49:153
118005599237712,2361cyclictest1181491-21kworker/3:0+events19:22:503
118005599237512,2359cyclictest1283889-21kworker/3:1+events00:38:363
118005599237411,2360cyclictest1256512-21kworker/3:2+events23:50:223
118005599236811,2354cyclictest1201210-21kworker/3:1+events20:25:533
118005599235812,2342cyclictest1225346-21kworker/3:1+events21:38:583
118005599235212,2337cyclictest1239493-21kworker/3:2+events22:18:453
118005599235212,2336cyclictest1280609-21kworker/3:2+events00:32:073
118005599235210,2340cyclictest1256512-21kworker/3:2+events23:20:043
118005599235112,2336cyclictest1194850-21kworker/3:0+events19:59:523
118005599235012,2335cyclictest1215748-21kworker/3:1+events20:59:233
118004999235011,2335cyclictest1207957-21kworker/2:1+events20:39:092
118005599234912,2334cyclictest1264310-21kworker/3:1+events23:27:173
118005599234712,2332cyclictest1280609-21kworker/3:2+events00:23:223
118005599234610,2334cyclictest1228559-21kworker/3:2+events21:40:073
118004499234010,2327cyclictest1228402-21kworker/0:0+events21:53:230
118005599231911,2304cyclictest1278918-21kworker/3:0+events00:12:243
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