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2026-09-28 - 18:03

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 Mon Sep 28, 2026 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8235599305713,3040cyclictest98596-21kworker/2:1+events20:04:382
8234899296714,2950cyclictest151124-21kworker/0:2+events23:00:170
8235899294414,2926cyclictest172006-21kworker/3:0+events23:55:193
8234899282213,2805cyclictest87346-21kworker/0:2+events19:30:140
8234899281811,2803cyclictest173708-21kworker/0:2+events00:00:110
8235899279711,2782cyclictest104923-21kworker/3:0+events20:20:193
8235399279513,2778cyclictest154377-21kworker/1:2+events23:40:151
8234899277913,2763cyclictest154360-21kworker/0:1+events22:55:190
8235899275313,2738cyclictest89013-21kworker/3:1+events20:05:003
8235899270711,2693cyclictest96840-21kworker/3:0+events19:58:313
8235899270613,2690cyclictest122286-21kworker/3:1+events21:19:403
8235399270013,2685cyclictest143242-21kworker/1:0+events22:30:131
8234899265312,2637cyclictest129005-21kworker/0:2+events21:35:210
8235599264612,2630cyclictest101831-21kworker/2:2+events20:29:272
8235599261512,2600cyclictest181472-21kworker/2:0+events00:27:252
8235599258011,2566cyclictest96959-21kworker/2:0+events20:10:232
8235599257813,2563cyclictest132276-21kworker/2:1+events21:46:012
8235399256810,2554cyclictest175308-21kworker/1:0+events00:11:091
8235899256711,2552cyclictest138545-21kworker/3:0+events22:11:083
823539925615,2552cyclictest83633-21kworker/1:2+events19:50:321
8234899255112,2535cyclictest111286-21kworker/0:2+events20:38:590
823489925509,2538cyclictest141787-21kworker/0:1+events22:20:180
8235399254912,2533cyclictest103345-21kworker/1:1+events20:21:041
823489925489,2536cyclictest127355-21kworker/0:1+events21:32:180
8235399253912,2523cyclictest123856-21kworker/1:2+events21:20:481
8235399253812,2523cyclictest141516-21kworker/1:2+events22:18:241
823539925354,2527cyclictest138304-21kworker/1:1+events22:07:411
8235399253210,2518cyclictest123856-21kworker/1:2+events21:33:261
8235399252512,2509cyclictest130409-21kworker/1:0+events21:47:541
8235399251713,2500cyclictest114255-21kworker/1:2+events20:50:511
8235399251312,2497cyclictest154377-21kworker/1:2+events23:31:521
8235399251112,2495cyclictest154377-21kworker/1:2+events23:08:131
8235599250612,2490cyclictest96959-21kworker/2:0+events20:05:232
8234899250612,2490cyclictest140094-21kworker/0:0+events22:10:440
8234899250610,2493cyclictest149498-21kworker/0:1+events22:41:350
823559925049,2491cyclictest141669-21kworker/2:0+events22:39:432
8235599250412,2488cyclictest120623-21kworker/2:2+events21:25:462
8234899250412,2488cyclictest87346-21kworker/0:2+events19:38:440
8234899250412,2488cyclictest183224-21kworker/0:1+events00:25:530
8234899250411,2491cyclictest158884-21kworker/0:1+events23:10:100
8235899250212,2487cyclictest175251-21kworker/3:2+events00:13:273
8234899250012,2484cyclictest125511-21kworker/0:2+events21:24:140
823559924979,2484cyclictest125540-21kworker/2:0+events21:51:212
8235599249611,2482cyclictest125540-21kworker/2:0+events21:34:362
8235599249412,2479cyclictest112767-21kworker/2:0+events20:58:072
8235599249410,2480cyclictest87499-21kworker/2:2+events19:26:242
8235599249312,2477cyclictest125540-21kworker/2:0+events21:42:382
8235599249112,2475cyclictest184832-21kworker/2:2+events00:31:572
8235599249110,2478cyclictest122225-21kworker/2:0+events21:16:172
8235399249110,2478cyclictest143242-21kworker/1:0+events22:28:191
8234899249012,2474cyclictest147882-21kworker/0:0+events22:52:160
823589924885,2479cyclictest85765-21kworker/3:0+events19:20:173
8234899248810,2474cyclictest101904-21kworker/0:0+events20:11:310
8235399248712,2471cyclictest83633-21kworker/1:2+events19:43:411
8235599248612,2470cyclictest141669-21kworker/2:0+events22:22:132
8235399248612,2470cyclictest83633-21kworker/1:2+events19:37:561
823589924856,2475cyclictest175251-21kworker/3:2+events00:04:223
8235399248512,2470cyclictest146801-21kworker/1:2+events22:41:581
8235599248410,2471cyclictest85552-21kworker/2:1+events19:20:402
8235899248312,2467cyclictest146280-21kworker/3:1+events22:46:553
823559924827,2472cyclictest160782-21kworker/2:0+events23:17:482
8234899248211,2468cyclictest98687-21kworker/0:2+events20:21:280
823489924819,2468cyclictest113082-21kworker/0:3+events21:10:150
8235899248010,2466cyclictest122286-21kworker/3:1+events21:46:463
8235599248011,2466cyclictest173714-21kworker/2:1+events00:04:452
8235399248012,2464cyclictest184592-21kworker/1:1+events00:28:331
8235399247912,2463cyclictest171577-21kworker/1:1+events23:58:191
8235899247812,2463cyclictest89013-21kworker/3:1+events19:30:383
8235399247812,2463cyclictest149589-21kworker/1:1+events22:53:481
8235399247712,2461cyclictest115858-21kworker/1:0+events21:10:591
8235899247612,2462cyclictest108349-21kworker/3:2+events20:40:103
8235899247512,2460cyclictest154147-21kworker/3:0+events22:59:553
8235399247412,2458cyclictest152545-21kworker/1:0+events22:48:281
8235399247012,2454cyclictest154377-21kworker/1:2+events23:00:411
8234899247012,2454cyclictest173708-21kworker/0:2+events00:06:150
8235899246712,2452cyclictest184651-21kworker/3:2+events00:29:413
823559924678,2456cyclictest101831-21kworker/2:2+events20:46:402
8235399246712,2451cyclictest115858-21kworker/1:0+events20:58:521
8235399246510,2451cyclictest154377-21kworker/1:2+events23:28:051
8234899246512,2449cyclictest98687-21kworker/0:2+events20:25:160
8235399246111,2446cyclictest180219-21kworker/1:2+events00:22:271
8235399246012,2444cyclictest154377-21kworker/1:2+events22:59:341
8234899246012,2444cyclictest173708-21kworker/0:2+events00:32:200
8235399245911,2445cyclictest132156-21kworker/1:2+events21:51:431
8235399245812,2442cyclictest141516-21kworker/1:2+events22:12:411
8235399245711,2442cyclictest117582-21kworker/1:1+events21:01:551
8235399245610,2442cyclictest123856-21kworker/1:2+events21:26:101
823539924559,2442cyclictest81807-21kworker/1:1+events19:17:391
823539924559,2442cyclictest162389-21kworker/1:1+events23:24:361
8235399245312,2438cyclictest168821-21kworker/1:0+events23:39:061
8235399245312,2438cyclictest132156-21kworker/1:2+events21:55:281
8235399245312,2437cyclictest130409-21kworker/1:0+events21:44:321
8235399245112,2436cyclictest103345-21kworker/1:1+events20:18:251
8235399245112,2435cyclictest85705-21kworker/1:0+events19:22:131
8235399245110,2437cyclictest186603-21kworker/1:2+events00:34:151
8234899244712,2432cyclictest151124-21kworker/0:2+events23:27:170
8234899244110,2429cyclictest151124-21kworker/0:2+events23:15:080
823559924389,2426cyclictest157549-21kworker/2:1+events23:05:152
8235599243610,2423cyclictest160782-21kworker/2:0+events23:30:222
8235899243412,2419cyclictest163709-21kworker/3:2+events23:23:033
8235599243412,2418cyclictest129078-21kworker/2:1+events21:37:382
8234899243312,2417cyclictest167276-21kworker/0:2+events23:42:320
8234899243112,2416cyclictest173708-21kworker/0:2+events00:18:170
8235599243012,2415cyclictest151001-21kworker/2:1+events22:51:292
8235599243011,2415cyclictest87499-21kworker/2:2+events19:41:192
8235899242812,2412cyclictest170411-21kworker/3:1+events23:50:473
8234899242811,2414cyclictest170496-21kworker/0:0+events23:45:510
8234899242612,2410cyclictest112900-21kworker/0:1+events20:48:370
8234899242610,2412cyclictest92143-21kworker/0:1+events19:40:580
823489924259,2412cyclictest77287-21kworker/0:0+events19:21:500
8234899242512,2409cyclictest141787-21kworker/0:1+events22:16:530
8234899242312,2409cyclictest173708-21kworker/0:2+events00:12:410
823589924228,2410cyclictest125686-21kworker/3:2+events21:27:203
8234899242212,2407cyclictest173708-21kworker/0:2+events00:21:180
8234899242212,2406cyclictest130660-21kworker/0:1+events21:40:470
8235599242111,2407cyclictest139999-21kworker/2:1+events22:13:282
8234899242012,2404cyclictest120662-21kworker/0:0+events21:29:150
8235599241912,2404cyclictest114466-21kworker/2:1+events20:52:252
8234899241911,2404cyclictest101904-21kworker/0:0+events20:43:590
823559924186,2409cyclictest87499-21kworker/2:2+events19:52:242
8235599241812,2402cyclictest186699-21kworker/2:1+events00:39:362
8235599241811,2404cyclictest114466-21kworker/2:1+events21:07:592
8235399241812,2402cyclictest154377-21kworker/1:2+events23:12:041
8234899241812,2403cyclictest77287-21kworker/0:0+events19:28:410
8234899241712,2401cyclictest93769-21kworker/0:0+events20:03:310
8235599241611,2402cyclictest143303-21kworker/2:2+events22:25:172
8235599241312,2397cyclictest90684-21kworker/2:0+events19:34:502
8235599241211,2397cyclictest172055-21kworker/2:0+events23:52:182
8235599241011,2395cyclictest179877-21kworker/2:1+events00:16:252
8235599240812,2392cyclictest136772-21kworker/2:1+events21:57:252
823559924079,2394cyclictest166117-21kworker/2:2+events23:59:252
8234899240712,2392cyclictest98687-21kworker/0:2+events20:31:210
8234899240712,2392cyclictest113082-21kworker/0:3+events20:55:500
8235599240611,2392cyclictest166117-21kworker/2:2+events00:08:082
8235399240610,2392cyclictest104953-21kworker/1:2+events20:27:081
8235599240512,2389cyclictest90684-21kworker/2:0+events19:38:192
8235599240512,2389cyclictest139999-21kworker/2:1+events22:08:052
8235599240511,2391cyclictest120623-21kworker/2:2+events21:11:232
8235599240511,2391cyclictest101831-21kworker/2:2+events20:32:292
8235599240511,2390cyclictest136772-21kworker/2:1+events22:01:112
823489924059,2393cyclictest151124-21kworker/0:2+events23:20:270
8235899240410,2390cyclictest175251-21kworker/3:2+events00:05:533
8234899240411,2389cyclictest165393-21kworker/0:1+events23:31:080
8235899240312,2387cyclictest154147-21kworker/3:0+events22:51:513
8235599240312,2388cyclictest98596-21kworker/2:1+events19:58:542
8235599240312,2387cyclictest148141-21kworker/2:2+events22:43:542
8235599240311,2388cyclictest96959-21kworker/2:0+events20:17:152
8235899240112,2385cyclictest95221-21kworker/3:2+events19:45:563
8235599240112,2386cyclictest93918-21kworker/2:1+events19:46:202
8235599240112,2386cyclictest163992-21kworker/2:1+events23:26:552
8235599240112,2385cyclictest101831-21kworker/2:2+events20:41:412
8235599240111,2387cyclictest160782-21kworker/2:0+events23:25:002
8235899240012,2385cyclictest89013-21kworker/3:1+events20:01:123
8235899239912,2383cyclictest184651-21kworker/3:2+events00:35:233
8235899239811,2383cyclictest117726-21kworker/3:1+events21:04:123
823559923988,2387cyclictest151001-21kworker/2:1+events22:57:152
8235599239810,2384cyclictest79051-21kworker/2:2+events19:13:302
8235899239712,2382cyclictest184651-21kworker/3:2+events00:31:323
8235899239712,2381cyclictest92671-21kworker/3:0+events19:44:243
8235899239610,2382cyclictest141483-21kworker/3:2+events22:18:473
823559923969,2384cyclictest112767-21kworker/2:0+events21:03:042
8235899239512,2380cyclictest96840-21kworker/3:0+events19:51:393
8235899239512,2379cyclictest157517-21kworker/3:1+events23:06:233
8235899239512,2379cyclictest100057-21kworker/3:2+events20:12:403
8235899239412,2378cyclictest112859-21kworker/3:0+events20:59:353
8235899239312,2377cyclictest103316-21kworker/3:1+events20:16:053
8235899239311,2379cyclictest111181-21kworker/3:1+events20:52:023
8235899239112,2376cyclictest136921-21kworker/3:1+events22:06:543
8235899239111,2377cyclictest163709-21kworker/3:2+events23:34:113
8235899239012,2376cyclictest132041-21kworker/3:0+events21:55:073
8235899239012,2375cyclictest104923-21kworker/3:0+events20:30:343
823489923909,2377cyclictest138487-21kworker/0:2+events22:04:150
8235899238912,2374cyclictest154147-21kworker/3:0+events23:03:213
8235899238912,2374cyclictest135258-21kworker/3:2+events22:02:213
8235899238812,2373cyclictest125686-21kworker/3:2+events21:34:593
823489923879,2374cyclictest130660-21kworker/0:1+events21:53:120
8235899238611,2371cyclictest90657-21kworker/3:2+events19:35:593
8235899238512,2370cyclictest141483-21kworker/3:2+events22:21:263
8235899238412,2369cyclictest135258-21kworker/3:2+events21:53:583
8235899238312,2367cyclictest146280-21kworker/3:1+events22:27:103
8235399237612,2361cyclictest136291-21kworker/1:0+events22:05:001
8235899236212,2346cyclictest157517-21kworker/3:1+events23:15:313
8235599235911,2344cyclictest105073-21kworker/2:1+events20:20:432
8235899235711,2343cyclictest112859-21kworker/3:0+events20:47:513
8235599235610,2343cyclictest123920-21kworker/2:1+events21:22:212
8235599235010,2336cyclictest172055-21kworker/2:0+events23:49:392
823589923467,2335cyclictest170411-21kworker/3:1+events23:48:073
8234899233211,2317cyclictest138487-21kworker/0:2+events22:08:280
8235399233011,2316cyclictest143242-21kworker/1:0+events22:24:081
823489923278,2315cyclictest138487-21kworker/0:2+events22:29:270
8235899231210,2299cyclictest167188-21kworker/3:0+events23:39:523
8234899231212,2296cyclictest168880-21kworker/0:1+events23:52:390
8235599229312,2277cyclictest85552-21kworker/2:1+events19:19:112
8235899228610,2272cyclictest122286-21kworker/3:1+events21:13:173
8235599228411,2269cyclictest152603-21kworker/2:0+events23:03:442
8235899227410,2260cyclictest149557-21kworker/3:0+events22:38:573
8235399227111,2257cyclictest103345-21kworker/1:1+events20:34:031
8235399226211,2248cyclictest114255-21kworker/1:2+events20:46:171
823539922619,2249cyclictest127444-21kworker/1:1+events21:36:281
8235399226011,2246cyclictest175308-21kworker/1:0+events00:06:381
8235599225610,2242cyclictest183201-21kworker/2:1+events00:23:592
8234899224812,2232cyclictest186675-21kworker/0:1+events00:36:090
8235399224510,2231cyclictest83633-21kworker/1:2+events19:27:331
8234899224411,2230cyclictest113082-21kworker/0:3+events21:15:550
8235899224111,2226cyclictest83722-21kworker/3:1+events19:15:233
823539922399,2227cyclictest96989-21kworker/1:1+events19:56:331
8235599223811,2224cyclictest101831-21kworker/2:2+events20:35:562
8234899223812,2222cyclictest147882-21kworker/0:0+events22:37:250
823539922369,2224cyclictest171577-21kworker/1:1+events23:53:471
8235399223510,2221cyclictest168821-21kworker/1:0+events23:45:301
8235399223211,2219cyclictest122195-21kworker/1:1+events21:17:041
8235399223211,2217cyclictest109759-21kworker/1:0+events20:36:411
8234899223210,2218cyclictest100296-21kworker/0:1+events20:05:470
8235399222811,2214cyclictest98819-21kworker/1:2+events20:11:551
8235399222810,2215cyclictest178279-21kworker/1:1+events00:18:391
823539922279,2214cyclictest173653-21kworker/1:2+events00:03:131
8235399222710,2214cyclictest93649-21kworker/1:0+events19:49:461
8235399222410,2212cyclictest182991-21kworker/1:0+events00:35:021
823539922239,2210cyclictest83633-21kworker/1:2+events19:31:471
8235399222311,2208cyclictest109759-21kworker/1:0+events20:40:551
8234899222311,2208cyclictest158884-21kworker/0:1+events23:09:470
823539922209,2208cyclictest96989-21kworker/1:1+events20:02:431
8235399222011,2206cyclictest119618-21kworker/1:2+events21:09:531
8235599221810,2205cyclictest166117-21kworker/2:2+events23:43:162
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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