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2026-06-14 - 22:18

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 Sun Jun 14, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36193399321915,3198cyclictest384826-21kworker/0:1+events20:20:190
36194499295814,2940cyclictest426756-21kworker/2:2+events22:35:172
36193999286413,2847cyclictest449418-21kworker/1:0+events23:40:191
36193999281214,2794cyclictest369779-21kworker/1:1+events19:35:191
36194699277513,2757cyclictest409290-21kworker/3:1+events21:40:183
36194699277013,2753cyclictest376394-21kworker/3:1+events19:55:193
36193399276213,2745cyclictest438214-21kworker/0:0+events23:15:140
36193999275512,2739cyclictest371806-21kworker/1:0+events19:45:211
36193399273613,2719cyclictest460395-21kworker/0:2+events00:18:450
36194499273513,2718cyclictest368503-21kworker/2:2+events19:30:192
36193399273512,2719cyclictest434902-21kworker/0:0+events22:55:490
36194499273412,2718cyclictest465594-21kworker/2:0+events00:32:002
36194499271712,2701cyclictest374855-21kworker/2:1+events19:55:432
36194499271611,2701cyclictest380126-21kworker/2:2+events20:05:222
36193999270312,2687cyclictest409469-21kworker/1:1+events21:44:321
36193999270013,2684cyclictest398102-21kworker/1:2+events21:10:221
36193999269913,2682cyclictest439489-21kworker/1:0+events23:08:021
36194499269013,2674cyclictest373067-21kworker/2:0+events19:49:372
36194699268813,2671cyclictest457415-21kworker/3:0+events00:15:173
36194699257812,2562cyclictest414099-21kworker/3:0+events22:00:563
36194699257712,2563cyclictest380068-21kworker/3:1+events20:15:153
36194699257311,2559cyclictest392027-21kworker/3:2+events20:49:223
3619469925689,2555cyclictest431255-21kworker/3:1+events23:05:193
3619399925617,2550cyclictest381430-21kworker/1:0+events20:17:591
36193399255613,2540cyclictest375010-21kworker/0:2+events19:49:590
36194699255212,2536cyclictest409290-21kworker/3:1+events21:35:213
36194499253912,2523cyclictest386807-21kworker/2:0+events20:30:122
36194499253911,2524cyclictest458703-21kworker/2:2+events00:10:152
36194699253712,2521cyclictest366841-21kworker/3:1+events19:41:533
36193399253512,2519cyclictest393049-21kworker/0:1+events20:46:410
36194499253412,2517cyclictest454242-21kworker/2:0+events00:05:182
36193399253211,2518cyclictest450860-21kworker/0:0+events23:46:230
36194499252712,2511cyclictest407532-21kworker/2:0+events21:33:012
36194499252512,2509cyclictest386807-21kworker/2:0+events20:26:442
36193399252410,2510cyclictest383184-21kworker/0:0+events20:15:380
3619339925239,2511cyclictest386711-21kworker/0:2+events20:27:080
36193399252312,2507cyclictest444546-21kworker/0:0+events23:34:380
36194699252010,2507cyclictest457415-21kworker/3:0+events00:10:393
36193399251812,2502cyclictest460395-21kworker/0:2+events00:20:150
36194499251312,2497cyclictest368503-21kworker/2:2+events19:40:212
36193399251010,2496cyclictest436533-21kworker/0:1+events23:03:270
36194499250912,2493cyclictest374855-21kworker/2:1+events19:52:402
36194499250910,2495cyclictest426756-21kworker/2:2+events22:33:032
36194499250811,2495cyclictest441351-21kworker/2:2+events23:25:072
36193399250812,2492cyclictest438214-21kworker/0:0+events23:12:350
3619339925077,2496cyclictest420221-21kworker/0:2+events22:09:370
36193399250512,2489cyclictest420221-21kworker/0:2+events22:17:540
36194499250412,2489cyclictest462006-21kworker/2:2+events00:24:002
36194499250412,2488cyclictest414007-21kworker/2:2+events21:57:062
36193399250412,2489cyclictest423484-21kworker/0:0+events22:22:240
36193399250412,2488cyclictest371680-21kworker/0:1+events19:58:040
36193399250312,2487cyclictest368208-21kworker/0:0+events19:26:350
36193399250312,2487cyclictest368208-21kworker/0:0+events19:26:350
36193399250212,2487cyclictest418568-21kworker/0:1+events22:01:410
3619339925018,2489cyclictest393049-21kworker/0:1+events20:42:030
36193399249512,2480cyclictest369810-21kworker/0:2+events19:41:060
36194699249410,2481cyclictest423390-21kworker/3:0+events22:29:573
36194499249412,2478cyclictest433122-21kworker/2:0+events22:51:162
36194699249312,2478cyclictest455777-21kworker/3:1+events00:04:333
36194699249212,2476cyclictest366841-21kworker/3:1+events19:28:523
36194699249212,2476cyclictest366841-21kworker/3:1+events19:28:523
36194699249111,2476cyclictest449293-21kworker/3:1+events23:42:343
36194499249112,2475cyclictest423450-21kworker/2:2+events22:18:382
36194699249011,2475cyclictest370092-21kworker/3:0+events19:39:103
3619469924899,2478cyclictest465535-21kworker/3:1+events00:30:073
36194499248911,2474cyclictest407532-21kworker/2:0+events21:50:152
36194699248712,2472cyclictest392027-21kworker/3:2+events21:02:033
36194499248712,2471cyclictest431521-21kworker/2:1+events22:57:452
36193999248712,2471cyclictest441442-21kworker/1:1+events23:21:161
36193399248712,2471cyclictest398453-21kworker/0:1+events21:04:190
3619449924869,2473cyclictest454242-21kworker/2:0+events23:58:062
3619449924869,2473cyclictest393093-21kworker/2:0+events20:42:472
36194699248510,2472cyclictest447664-21kworker/3:0+events23:51:423
36194699248311,2469cyclictest374798-21kworker/3:0+events20:03:503
36194499248312,2467cyclictest447787-21kworker/2:1+events00:01:552
36194699248211,2467cyclictest461880-21kworker/3:1+events00:20:593
36194699248112,2466cyclictest372240-21kworker/3:2+events19:45:453
36194499248111,2466cyclictest433122-21kworker/2:0+events23:03:502
36194699248012,2464cyclictest410896-21kworker/3:2+events21:46:043
36193399248012,2464cyclictest455885-21kworker/0:0+events00:07:120
36194699247910,2465cyclictest441531-21kworker/3:0+events23:24:463
36194499247912,2464cyclictest431521-21kworker/2:1+events22:47:012
36194699247712,2462cyclictest366841-21kworker/3:1+events19:33:013
36193999247712,2461cyclictest453944-21kworker/1:0+events23:53:131
36194699247612,2461cyclictest423390-21kworker/3:0+events22:31:543
36194699247612,2460cyclictest431255-21kworker/3:1+events22:43:133
36194499247612,2460cyclictest366874-21kworker/2:1+events19:38:262
36194699247412,2458cyclictest455777-21kworker/3:1+events00:09:073
36194699247411,2460cyclictest396590-21kworker/3:0+events21:11:313
36193999247412,2458cyclictest415430-21kworker/1:0+events21:52:111
36193999247411,2459cyclictest409469-21kworker/1:1+events21:55:351
36193999247410,2460cyclictest386568-21kworker/1:2+events20:35:561
36193399247412,2459cyclictest425100-21kworker/0:1+events22:30:430
36193999247212,2456cyclictest404415-21kworker/1:1+events21:19:341
36193999247211,2457cyclictest394825-21kworker/1:0+events21:02:481
36194499247112,2456cyclictest452612-21kworker/2:2+events23:54:232
3619399924715,2463cyclictest363038-21kworker/1:2+events20:06:071
36193999247112,2455cyclictest369779-21kworker/1:1+events19:32:411
36194699246910,2457cyclictest402810-21kworker/3:2+events21:15:023
36194699246810,2455cyclictest402810-21kworker/3:2+events21:25:223
36194499246612,2451cyclictest374855-21kworker/2:1+events20:13:452
3619469924649,2452cyclictest390180-21kworker/3:1+events20:38:583
36193399246312,2448cyclictest411069-21kworker/0:1+events21:50:370
36194499245812,2442cyclictest463959-21kworker/2:1+events00:29:442
36194699245711,2442cyclictest414099-21kworker/3:0+events21:51:243
36193999245712,2442cyclictest417028-21kworker/1:2+events22:10:211
36194499245612,2441cyclictest409137-21kworker/2:2+events21:41:512
36194699245412,2438cyclictest406076-21kworker/3:0+events21:33:253
36193399245412,2438cyclictest452458-21kworker/0:1+events23:53:360
36194699245212,2436cyclictest447664-21kworker/3:0+events23:58:293
36193399244812,2433cyclictest460395-21kworker/0:2+events00:33:060
36193399244312,2428cyclictest430049-21kworker/0:0+events22:42:500
36193999244212,2427cyclictest463928-21kworker/1:1+events00:24:461
3619399924409,2427cyclictest455572-21kworker/1:2+events23:59:131
36194699243912,2423cyclictest421734-21kworker/3:1+events22:11:313
36194499243912,2423cyclictest441351-21kworker/2:2+events23:22:502
36194499243712,2421cyclictest374855-21kworker/2:1+events20:00:452
36194499243112,2415cyclictest356673-21kworker/2:1+events19:15:522
36194499243112,2415cyclictest356673-21kworker/2:1+events19:15:522
36193399242512,2410cyclictest409314-21kworker/0:2+events21:40:410
36194499242310,2410cyclictest396558-21kworker/2:0+events21:10:462
36193399242312,2408cyclictest411069-21kworker/0:1+events21:49:530
36194499242212,2407cyclictest412401-21kworker/2:1+events21:45:412
36193399242112,2405cyclictest444546-21kworker/0:0+events23:23:140
36193399242112,2405cyclictest381491-21kworker/0:2+events20:14:520
36193399242112,2405cyclictest371680-21kworker/0:1+events19:52:180
36193399242111,2406cyclictest460395-21kworker/0:2+events00:14:550
36193399242111,2406cyclictest371680-21kworker/0:1+events20:09:090
36193399242012,2405cyclictest394918-21kworker/0:0+events21:15:230
36193399242011,2406cyclictest402781-21kworker/0:1+events21:23:480
36194499241912,2403cyclictest404949-21kworker/2:1+events21:26:092
36193399241912,2403cyclictest468674-21kworker/0:0+events00:39:350
36193399241911,2404cyclictest452458-21kworker/0:1+events23:57:230
36193399241711,2404cyclictest436533-21kworker/0:1+events23:05:430
36193399241711,2402cyclictest394918-21kworker/0:0+events21:11:090
3619339924159,2403cyclictest368208-21kworker/0:0+events19:35:430
36193399241512,2400cyclictest428392-21kworker/0:2+events22:39:260
36193999241212,2396cyclictest434842-21kworker/1:2+events23:04:351
36193399241210,2398cyclictest425100-21kworker/0:1+events22:26:560
36194499241112,2395cyclictest407532-21kworker/2:0+events21:35:462
36193399241112,2396cyclictest361610-21kworker/0:2+events19:21:110
36193399241112,2395cyclictest394918-21kworker/0:0+events20:56:180
36193399241112,2395cyclictest384826-21kworker/0:1+events20:32:060
36193399241012,2395cyclictest425100-21kworker/0:1+events22:45:310
36193399241012,2395cyclictest379079-21kworker/0:0+events20:01:320
36193999240812,2393cyclictest406137-21kworker/1:0+events21:25:441
36193399240812,2393cyclictest449236-21kworker/0:1+events23:38:250
36193399240812,2393cyclictest414158-21kworker/0:0+events22:11:090
36194499240712,2391cyclictest442956-21kworker/2:0+events23:38:022
36193999240711,2392cyclictest394825-21kworker/1:0+events20:57:071
36193399240710,2393cyclictest368208-21kworker/0:0+events19:34:110
36193999240612,2391cyclictest363477-21kworker/1:4+events19:16:151
36193999240612,2391cyclictest363477-21kworker/1:4+events19:16:151
36193999240611,2391cyclictest439489-21kworker/1:0+events23:16:231
36193399240612,2390cyclictest454122-21kworker/0:2+events00:04:550
36193999240512,2389cyclictest406137-21kworker/1:0+events21:39:541
36193399240511,2390cyclictest406043-21kworker/0:0+events21:37:390
36194699240412,2388cyclictest376394-21kworker/3:1+events19:51:323
36194499240412,2389cyclictest394946-21kworker/2:2+events20:50:342
36194499240211,2388cyclictest374855-21kworker/2:1+events20:56:432
36193999240210,2389cyclictest394825-21kworker/1:0+events20:46:181
36194499240112,2385cyclictest447787-21kworker/2:1+events23:49:262
36194499240012,2385cyclictest468459-21kworker/2:2+events00:37:172
36194699239911,2385cyclictest380068-21kworker/3:1+events20:10:213
36194499239912,2383cyclictest365222-21kworker/2:2+events19:23:072
36194499239812,2383cyclictest439458-21kworker/2:1+events23:12:122
36194499239812,2383cyclictest421824-21kworker/2:0+events22:25:262
36194499239811,2384cyclictest414007-21kworker/2:2+events22:02:272
36194499239811,2383cyclictest374855-21kworker/2:1+events20:36:432
36194499239711,2382cyclictest418922-21kworker/2:1+events22:08:532
3619449923968,2385cyclictest384795-21kworker/2:2+events20:23:212
36194499239512,2380cyclictest363083-21kworker/2:0+events19:27:422
36194499239512,2380cyclictest363083-21kworker/2:0+events19:27:422
36194499239512,2379cyclictest447787-21kworker/2:1+events00:16:492
36194499239511,2381cyclictest399816-21kworker/2:2+events21:06:342
36194499239510,2382cyclictest449389-21kworker/2:2+events23:41:492
36194499239412,2378cyclictest396558-21kworker/2:0+events21:19:112
36194699239310,2380cyclictest423390-21kworker/3:0+events22:38:203
3619399923918,2379cyclictest461972-21kworker/1:0+events00:25:321
36194699239012,2374cyclictest366841-21kworker/3:1+events19:24:183
36193999239014,2372cyclictest420346-21kworker/1:0+events22:34:331
36194499238910,2377cyclictest396558-21kworker/2:0+events21:00:102
36193999238911,2376cyclictest366720-21kworker/1:0+events19:25:021
36193999238911,2376cyclictest366720-21kworker/1:0+events19:25:011
36193999238911,2375cyclictest434842-21kworker/1:2+events23:11:061
36193999238911,2374cyclictest428360-21kworker/1:1+events22:39:041
36193399238912,2373cyclictest463989-21kworker/0:0+events00:28:130
36193999238812,2373cyclictest461972-21kworker/1:0+events00:19:531
36193999238812,2373cyclictest441442-21kworker/1:1+events23:39:101
36193999238811,2373cyclictest398102-21kworker/1:2+events21:23:261
36194699238712,2372cyclictest359986-21kworker/3:2+events19:15:273
36194699238712,2372cyclictest359986-21kworker/3:2+events19:15:273
36193999238711,2373cyclictest386568-21kworker/1:2+events20:24:071
36193999238711,2372cyclictest434842-21kworker/1:2+events22:54:191
36193999238710,2375cyclictest420346-21kworker/1:0+events22:55:061
36193999238612,2372cyclictest386568-21kworker/1:2+events20:40:301
36193999238612,2372cyclictest375059-21kworker/1:1+events19:53:261
36193999238611,2371cyclictest420346-21kworker/1:0+events22:21:411
36193999238512,2369cyclictest418687-21kworker/1:1+events22:02:501
36193999238511,2372cyclictest420346-21kworker/1:0+events22:40:121
36193999238511,2372cyclictest386568-21kworker/1:2+events20:50:101
36193999238410,2371cyclictest406137-21kworker/1:0+events21:31:071
36194699238312,2367cyclictest414099-21kworker/3:0+events22:06:563
36193999238312,2367cyclictest420346-21kworker/1:0+events22:19:251
36193999238110,2368cyclictest465563-21kworker/1:2+events00:37:411
36194499237710,2364cyclictest439458-21kworker/2:1+events23:07:152
36193999237712,2361cyclictest363038-21kworker/1:2+events20:10:431
36194699237610,2363cyclictest396590-21kworker/3:0+events20:57:533
36193999237012,2355cyclictest386568-21kworker/1:2+events20:32:291
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36194699236512,2350cyclictest402810-21kworker/3:2+events21:20:423
3619449923619,2349cyclictest423450-21kworker/2:2+events22:22:032
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36194699231711,2302cyclictest438423-21kworker/3:2+events23:14:293
36194699231412,2298cyclictest386474-21kworker/3:0+events20:23:443
36194499230212,2286cyclictest374855-21kworker/2:1+events20:49:472
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3619339922890,2285cyclictest388313-21kworker/0:0+events20:39:200
36193399227111,2257cyclictest356643-21kworker/0:0+events19:16:390
36193399227111,2257cyclictest356643-21kworker/0:0+events19:16:380
36193999227010,2257cyclictest458972-21kworker/1:1+events00:14:091
36193399226710,2253cyclictest406043-21kworker/0:0+events21:34:360
36194699226610,2253cyclictest463784-21kworker/3:0+events00:36:543
3619469922618,2249cyclictest423390-21kworker/3:0+events22:24:163
36193399226010,2247cyclictest415847-21kworker/0:2+events21:56:430
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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