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2026-05-19 - 14:38

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 May 19, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
61935399352817,3508cyclictest720572-21kworker/0:2+events00:25:270
61935399322516,3205cyclictest711177-21kworker/0:1+events00:20:530
61936499301713,3000cyclictest652917-21kworker/3:0+events21:00:223
61936199301413,2997cyclictest625800-21kworker/2:0+events19:30:182
61936499289114,2874cyclictest694689-21kworker/3:1+events23:05:133
6193649927969,2784cyclictest688415-21kworker/3:0+events23:00:183
61936199278413,2768cyclictest702487-21kworker/2:0+events23:35:192
61936499273013,2714cyclictest714363-21kworker/3:1+events00:05:143
61935799267512,2660cyclictest628981-21kworker/1:0+events19:43:141
61935799264513,2628cyclictest643323-21kworker/1:1+events20:25:111
61936499258411,2569cyclictest620764-21kworker/3:0+events19:15:203
61935399256512,2549cyclictest665845-21kworker/0:1+events21:33:140
61936499254211,2527cyclictest715966-21kworker/3:2+events00:17:013
61936499253912,2523cyclictest681785-21kworker/3:2+events22:21:423
61936199251612,2500cyclictest707456-21kworker/2:2+events23:57:382
61935399251411,2501cyclictest674206-21kworker/0:0+events22:33:000
61935399249610,2483cyclictest674206-21kworker/0:0+events22:00:470
61936499249412,2478cyclictest622899-21kworker/3:2+events19:36:483
61935399249412,2478cyclictest688124-21kworker/0:0+events22:51:490
61935399249412,2478cyclictest688124-21kworker/0:0+events22:51:490
61936499249312,2477cyclictest686620-21kworker/3:2+events22:46:583
61935399249112,2475cyclictest722297-21kworker/0:1+events00:35:530
61936499248812,2473cyclictest692884-21kworker/3:2+events23:18:323
61936499248811,2473cyclictest654504-21kworker/3:2+events21:06:503
61935399248810,2474cyclictest670788-21kworker/0:1+events21:54:420
61935399248712,2471cyclictest674206-21kworker/0:0+events22:18:150
61936499248612,2470cyclictest662846-21kworker/3:0+events21:38:093
61935399248610,2472cyclictest645203-21kworker/0:2+events20:33:380
6193579924859,2473cyclictest640453-21kworker/1:0+events20:41:161
61936499248412,2468cyclictest664450-21kworker/3:2+events21:34:203
61936499248312,2467cyclictest720453-21kworker/3:1+events00:25:503
61936499248312,2467cyclictest670758-21kworker/3:0+events21:52:463
61935399248312,2468cyclictest630877-21kworker/0:0+events19:50:290
61936199248212,2466cyclictest699268-21kworker/2:2+events23:29:342
61935399248212,2466cyclictest705727-21kworker/0:2+events23:56:080
61935399248212,2466cyclictest637028-21kworker/0:0+events20:02:430
61936499248112,2465cyclictest710360-21kworker/3:1+events23:53:043
61935399248112,2465cyclictest693270-21kworker/0:2+events23:21:370
61936499248012,2465cyclictest638944-21kworker/3:0+events20:32:073
61935399248012,2464cyclictest659697-21kworker/0:2+events21:15:390
61935399248011,2465cyclictest656053-21kworker/0:1+events21:09:560
61935399247911,2464cyclictest651433-21kworker/0:0+events20:52:000
61935399247811,2463cyclictest648082-21kworker/0:1+events20:41:380
61935399247711,2463cyclictest632470-21kworker/0:1+events19:49:440
61936499247510,2461cyclictest705633-21kworker/3:2+events00:00:403
61935399247512,2459cyclictest717267-21kworker/0:2+events00:12:050
61935399247511,2461cyclictest699287-21kworker/0:1+events23:30:420
61935399247412,2459cyclictest711177-21kworker/0:1+events00:02:570
61935399247212,2456cyclictest637028-21kworker/0:0+events20:11:300
61935399247211,2457cyclictest640251-21kworker/0:1+events20:23:140
61935399247112,2455cyclictest656053-21kworker/0:1+events21:10:430
61936499247012,2454cyclictest641694-21kworker/3:2+events20:19:483
61936499246912,2454cyclictest683419-21kworker/3:0+events22:26:593
61935399246911,2456cyclictest693270-21kworker/0:2+events23:10:550
61935399246812,2452cyclictest674206-21kworker/0:0+events22:13:250
61935399246612,2451cyclictest668922-21kworker/0:2+events21:45:540
61935399246611,2451cyclictest659697-21kworker/0:2+events21:26:480
61935399246510,2452cyclictest711177-21kworker/0:1+events00:16:370
61935399246311,2448cyclictest656053-21kworker/0:1+events21:02:400
61935399246310,2449cyclictest715662-21kworker/0:0+events00:07:100
61936499246112,2445cyclictest685015-21kworker/3:1+events22:36:493
61936499246110,2447cyclictest717612-21kworker/3:0+events00:32:483
61936499246010,2446cyclictest707967-21kworker/3:0+events23:47:493
61935799246012,2444cyclictest640453-21kworker/1:0+events20:22:491
61935399245811,2444cyclictest693270-21kworker/0:2+events23:01:250
61936499245612,2441cyclictest644989-21kworker/3:2+events20:27:513
61936499245610,2443cyclictest717612-21kworker/3:0+events00:38:123
61936499245412,2438cyclictest644989-21kworker/3:2+events20:37:043
61935399245011,2435cyclictest651433-21kworker/0:0+events20:58:510
6193649924486,2439cyclictest675596-21kworker/3:0+events22:03:523
61936499244710,2433cyclictest652917-21kworker/3:0+events20:55:273
61935799244710,2434cyclictest632180-21kworker/1:2+events20:18:401
61935399243511,2421cyclictest632470-21kworker/0:1+events19:56:130
61936499243111,2417cyclictest638944-21kworker/3:0+events20:21:213
61936199242712,2412cyclictest645111-21kworker/2:0+events20:30:132
61936199242711,2413cyclictest702487-21kworker/2:0+events23:30:192
61936199242211,2407cyclictest672366-21kworker/2:0+events21:52:232
61936199241912,2404cyclictest652372-21kworker/2:2+events21:00:452
61936199241711,2403cyclictest672366-21kworker/2:0+events22:21:192
61936199241611,2401cyclictest723661-21kworker/2:1+events00:37:502
61936199241610,2402cyclictest643445-21kworker/2:2+events20:25:342
61935399241410,2400cyclictest627410-21kworker/0:1+events19:34:530
61936199240711,2392cyclictest646718-21kworker/2:2+events20:35:112
61935799240712,2392cyclictest689950-21kworker/1:2+events22:57:111
61936199240610,2392cyclictest685193-21kworker/2:0+events22:47:212
61936199240512,2389cyclictest693036-21kworker/2:1+events22:59:082
61935799240512,2389cyclictest699321-21kworker/1:2+events23:18:081
61936199240412,2388cyclictest654399-21kworker/2:1+events21:07:372
61936199240211,2388cyclictest702487-21kworker/2:0+events23:43:182
61936199240110,2387cyclictest632319-21kworker/2:0+events19:51:382
61936199240012,2385cyclictest717475-21kworker/2:1+events00:15:282
61936199239912,2384cyclictest660971-21kworker/2:1+events21:27:332
61936199239912,2383cyclictest673951-21kworker/2:2+events21:59:392
61936199239912,2383cyclictest665783-21kworker/2:2+events21:49:412
61936199239812,2384cyclictest633951-21kworker/2:1+events20:45:042
61936199239812,2383cyclictest633951-21kworker/2:1+events20:00:452
61936199239810,2385cyclictest719114-21kworker/2:0+events00:32:012
6193619923979,2386cyclictest630715-21kworker/2:2+events19:45:082
61936199239712,2383cyclictest672366-21kworker/2:0+events22:10:002
61936199239712,2382cyclictest715788-21kworker/2:2+events00:13:592
61936199239712,2381cyclictest658097-21kworker/2:2+events21:12:382
61936199239710,2383cyclictest641723-21kworker/2:0+events20:17:312
61936199239612,2381cyclictest685193-21kworker/2:0+events23:04:272
61936199239512,2381cyclictest662604-21kworker/2:0+events21:31:422
61936199239512,2379cyclictest672366-21kworker/2:0+events22:17:522
61936199239512,2379cyclictest617223-21kworker/2:2+events19:28:002
61936199239412,2378cyclictest702487-21kworker/2:0+events23:50:512
61936199239311,2378cyclictest683506-21kworker/2:1+events22:31:502
61936199239310,2381cyclictest637221-21kworker/2:0+events20:05:022
61936199239212,2377cyclictest715788-21kworker/2:2+events00:09:262
61936199239212,2376cyclictest685193-21kworker/2:0+events23:19:432
61935799239011,2375cyclictest672630-21kworker/1:2+events21:55:501
61935799238712,2371cyclictest688182-21kworker/1:1+events22:42:091
61936499238510,2371cyclictest648247-21kworker/3:0+events20:43:113
61936199238312,2368cyclictest675566-21kworker/2:1+events22:02:432
61935399238311,2369cyclictest682112-21kworker/0:1+events22:43:580
61936199238210,2368cyclictest660971-21kworker/2:1+events21:22:342
61936199238011,2365cyclictest633951-21kworker/2:1+events20:11:072
61936199237411,2359cyclictest681847-21kworker/2:2+events22:39:522
61936199236712,2351cyclictest643445-21kworker/2:2+events20:23:382
61935799236512,2349cyclictest661186-21kworker/1:0+events21:29:051
61935799236412,2349cyclictest710943-21kworker/1:0+events00:02:101
61936199235412,2338cyclictest648383-21kworker/2:0+events20:53:102
61935799234712,2331cyclictest646777-21kworker/1:2+events20:39:231
61936199234412,2328cyclictest714151-21kworker/2:0+events00:02:342
61935799234112,2326cyclictest661186-21kworker/1:0+events21:24:071
61936499233910,2325cyclictest717612-21kworker/3:0+events00:24:433
6193649923377,2327cyclictest697866-21kworker/3:1+events23:35:423
61935799233212,2316cyclictest710943-21kworker/1:0+events23:54:351
61935799233211,2317cyclictest617018-21kworker/1:2+events19:25:171
61936499233011,2315cyclictest677293-21kworker/3:1+events22:09:373
61936499232911,2314cyclictest699602-21kworker/3:0+events23:24:183
61936199232810,2314cyclictest694747-21kworker/2:2+events23:07:092
6193579923279,2314cyclictest712543-21kworker/1:1+events23:59:311
61935799232611,2311cyclictest689950-21kworker/1:2+events22:54:301
61935799232611,2311cyclictest689950-21kworker/1:2+events22:54:301
61935799232512,2311cyclictest625680-21kworker/1:1+events19:50:061
61935799232512,2310cyclictest670939-21kworker/1:0+events22:01:341
61935799232511,2311cyclictest680431-21kworker/1:1+events22:20:551
61936199232310,2309cyclictest665783-21kworker/2:2+events21:39:192
61935799232312,2308cyclictest715848-21kworker/1:1+events00:10:581
61935799232311,2308cyclictest654459-21kworker/1:1+events21:01:311
61935799232012,2305cyclictest705693-21kworker/1:2+events23:39:061
61935799232012,2304cyclictest699321-21kworker/1:2+events23:20:261
61935399232012,2304cyclictest664211-21kworker/0:0+events21:36:130
61935799231912,2303cyclictest722022-21kworker/1:2+events00:28:111
61935799231912,2303cyclictest705693-21kworker/1:2+events23:44:261
61935799231712,2302cyclictest632180-21kworker/1:2+events20:08:301
61935399231412,2300cyclictest688124-21kworker/0:0+events22:56:280
61935799231312,2298cyclictest694538-21kworker/1:1+events23:06:451
61935799231211,2299cyclictest677140-21kworker/1:2+events22:25:051
61935399231012,2295cyclictest696049-21kworker/0:0+events23:08:150
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6193579923049,2292cyclictest651550-21kworker/1:2+events21:15:151
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61936499229312,2277cyclictest696289-21kworker/3:0+events23:13:153
61936499229311,2278cyclictest632260-21kworker/3:0+events19:53:543
61936499229011,2276cyclictest656204-21kworker/3:1+events21:26:023
61935799228910,2275cyclictest675532-21kworker/1:1+events22:11:081
6193539922897,2279cyclictest625769-21kworker/0:0+events19:37:330
61936499228710,2275cyclictest634037-21kworker/3:2+events20:01:563
61936499228010,2266cyclictest661125-21kworker/3:2+events21:21:013
61936499227210,2259cyclictest646658-21kworker/3:1+events20:46:363
61935399227211,2259cyclictest674206-21kworker/0:0+events22:08:070
6193539922709,2258cyclictest664211-21kworker/0:0+events21:41:150
61936499226910,2255cyclictest715966-21kworker/3:2+events00:12:503
61935799226910,2256cyclictest699321-21kworker/1:2+events23:27:431
6193539922668,2254cyclictest622471-21kworker/0:0+events19:19:080
61936499226511,2253cyclictest662846-21kworker/3:0+events21:40:063
61936499226511,2251cyclictest677293-21kworker/3:1+events22:15:173
61935399226512,2250cyclictest640251-21kworker/0:1+events20:18:170
61936499226410,2250cyclictest646658-21kworker/3:1+events20:54:423
61936499226310,2249cyclictest632260-21kworker/3:0+events19:57:443
61935399226211,2247cyclictest637028-21kworker/0:0+events20:09:370
61936499226110,2247cyclictest705633-21kworker/3:2+events23:57:163
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61935399225311,2239cyclictest672602-21kworker/0:2+events21:58:300
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61935399225210,2239cyclictest648082-21kworker/0:1+events20:48:330
61935399225111,2236cyclictest722297-21kworker/0:1+events00:30:300
61935399225110,2237cyclictest705727-21kworker/0:2+events23:40:580
61936499225011,2235cyclictest629217-21kworker/3:3+events19:44:473
61935799224511,2232cyclictest675532-21kworker/1:1+events22:05:021
61936499223510,2222cyclictest697866-21kworker/3:1+events23:25:273
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61936499223011,2216cyclictest670758-21kworker/3:0+events21:48:553
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61936499223011,2215cyclictest703998-21kworker/3:0+events23:31:513
61936499223011,2215cyclictest697866-21kworker/3:1+events23:41:223
61936499222910,2216cyclictest688415-21kworker/3:0+events22:53:443
61936499222910,2216cyclictest688415-21kworker/3:0+events22:53:443
6193579922279,2214cyclictest632180-21kworker/1:2+events20:03:281
6193649922269,2214cyclictest683419-21kworker/3:0+events22:31:283
6193619922218,2210cyclictest654399-21kworker/2:1+events20:58:292
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61935799221812,2203cyclictest633828-21kworker/1:0+events19:55:251
61935799221612,2201cyclictest661186-21kworker/1:0+events21:36:371
61936499221511,2201cyclictest622899-21kworker/3:2+events19:28:233
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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