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2026-06-13 - 18:38

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 highest latencies:
System rackfslot7s.osadl.org (updated Sat Jun 13, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
408040799304015,3020cyclictest4167012-21kworker/2:2+events23:50:172
408041199283613,2819cyclictest4104278-21kworker/3:2+events20:45:193
408040599280413,2786cyclictest4180078-21kworker/1:1+events00:20:171
408040199276411,2748cyclictest4139806-21kworker/0:0+events22:15:100
408041199274910,2734cyclictest4155550-21kworker/3:0+events23:15:003
408040599272613,2709cyclictest4162054-21kworker/1:1+events23:30:161
408041199266113,2646cyclictest4098247-21kworker/3:1+events20:05:133
408041199265813,2643cyclictest4122008-21kworker/3:2+events21:30:163
408041199263813,2621cyclictest4113787-21kworker/3:1+events21:04:443
408040799257712,2562cyclictest4154458-21kworker/2:0+events23:03:382
408040799257612,2560cyclictest4165413-21kworker/2:0+events23:37:272
408040599257112,2555cyclictest4176136-21kworker/1:0+events00:10:501
408041199257011,2556cyclictest4172617-21kworker/3:0+events00:11:373
408040599256612,2550cyclictest4163747-21kworker/1:2+events23:35:581
408040599256412,2550cyclictest4083678-21kworker/1:1+events19:20:101
408040599256310,2549cyclictest4101401-21kworker/1:2+events20:20:131
408040599255611,2541cyclictest4166925-21kworker/1:0+events23:44:141
408040799255312,2538cyclictest4120288-21kworker/2:1+events21:16:562
408040599254912,2535cyclictest4147661-21kworker/1:2+events22:45:151
40804059925459,2532cyclictest4142795-21kworker/1:1+events22:34:111
40804059925459,2532cyclictest4142795-21kworker/1:1+events22:34:111
408040599254112,2525cyclictest4166925-21kworker/1:0+events23:54:261
408040199253810,2524cyclictest4128380-21kworker/0:2+events21:42:480
408040199253212,2516cyclictest4149257-21kworker/0:0+events22:54:190
408040199252712,2512cyclictest4113852-21kworker/0:2+events20:54:220
408040199252312,2507cyclictest4160609-21kworker/0:0+events23:29:060
408040199252211,2507cyclictest4101193-21kworker/0:2+events20:17:540
408040199251110,2498cyclictest4099525-21kworker/0:0+events20:10:120
408041199250912,2494cyclictest4170492-21kworker/3:1+events23:51:273
40804019925088,2498cyclictest4163868-21kworker/0:1+events23:40:040
408040799250612,2490cyclictest4163718-21kworker/2:2+events23:27:582
408040599250212,2486cyclictest4096566-21kworker/1:0+events20:19:261
408040599250012,2484cyclictest4157267-21kworker/1:0+events23:17:391
408040799249812,2482cyclictest4138051-21kworker/2:0+events22:07:322
408040599249712,2481cyclictest4147661-21kworker/1:2+events22:42:581
408040799249612,2480cyclictest4110676-21kworker/2:2+events21:13:092
408040799249612,2480cyclictest4110676-21kworker/2:2+events21:06:142
408040799249512,2480cyclictest4167012-21kworker/2:2+events23:47:402
408040599249512,2479cyclictest4107656-21kworker/1:0+events20:34:121
408040799249411,2479cyclictest4114194-21kworker/2:0+events20:58:162
408040199249411,2479cyclictest4155826-21kworker/0:1+events23:06:390
408040799249312,2477cyclictest4150831-21kworker/2:1+events22:53:122
408040599249212,2476cyclictest4162054-21kworker/1:1+events23:22:121
408040799249112,2477cyclictest4173950-21kworker/2:2+events00:10:052
408040799249112,2475cyclictest4110676-21kworker/2:2+events20:50:132
408040799249112,2475cyclictest4083764-21kworker/2:1+events20:27:502
408040799249011,2475cyclictest4110676-21kworker/2:2+events21:26:052
408040599249012,2474cyclictest4130063-21kworker/1:0+events21:54:391
408040599249011,2475cyclictest4173592-21kworker/1:2+events23:58:161
408040599248912,2474cyclictest4110946-21kworker/1:0+events21:06:381
408040599248911,2474cyclictest4110946-21kworker/1:0+events21:12:461
408040799248811,2472cyclictest4116932-21kworker/2:1+events21:02:062
408040599248811,2473cyclictest4118592-21kworker/1:1+events21:27:111
408040799248712,2471cyclictest4107746-21kworker/2:0+events20:35:452
408040799248710,2474cyclictest4131576-21kworker/2:2+events22:10:572
408040599248712,2471cyclictest4168631-21kworker/1:1+events00:05:281
408040199248712,2472cyclictest4178694-21kworker/0:1+events00:14:390
408041199248612,2471cyclictest4142976-21kworker/3:2+events22:28:503
408041199248610,2473cyclictest4129973-21kworker/3:2+events21:48:143
408040799248612,2471cyclictest4173950-21kworker/2:2+events00:06:392
408040799248612,2471cyclictest4154458-21kworker/2:0+events23:05:532
40804059924869,2474cyclictest4183375-21kworker/1:0+events00:30:341
408040599248613,2469cyclictest4178449-21kworker/1:2+events00:15:471
408040599248612,2472cyclictest4131758-21kworker/1:1+events21:57:441
408040599248612,2471cyclictest4133621-21kworker/1:2+events22:10:101
408040599248612,2471cyclictest4133621-21kworker/1:2+events22:08:161
408040599248612,2471cyclictest4121889-21kworker/1:2+events21:36:451
408040599248612,2471cyclictest4105998-21kworker/1:1+events20:47:591
408040599248612,2470cyclictest4088442-21kworker/1:1+events19:44:381
408040599248512,2469cyclictest4153851-21kworker/1:2+events23:05:311
408040799248412,2468cyclictest4152459-21kworker/2:2+events23:16:072
408040599248411,2469cyclictest4088442-21kworker/1:1+events19:58:211
408040799248312,2468cyclictest4083764-21kworker/2:1+events20:10:582
408040599248312,2468cyclictest4105998-21kworker/1:1+events20:44:561
408040599248112,2465cyclictest4181729-21kworker/1:2+events00:27:551
408040599248111,2467cyclictest4121889-21kworker/1:2+events21:43:121
408040799247812,2462cyclictest4160455-21kworker/2:1+events23:30:372
408040599247812,2462cyclictest4096566-21kworker/1:0+events20:12:291
408040599247412,2458cyclictest4091943-21kworker/1:0+events19:45:231
408040199247411,2458cyclictest4183344-21kworker/0:1+events00:39:250
408040599247112,2457cyclictest4115329-21kworker/1:1+events21:00:111
408040799247012,2454cyclictest4154458-21kworker/2:0+events23:11:132
408040799247012,2454cyclictest4131576-21kworker/2:2+events21:48:372
408040599247012,2455cyclictest4146000-21kworker/1:0+events22:35:171
408040799246811,2454cyclictest4178598-21kworker/2:1+events00:15:232
408040799246711,2453cyclictest4129939-21kworker/2:1+events21:52:002
408040799246512,2450cyclictest4090194-21kworker/2:2+events19:39:392
408040599246510,2451cyclictest4130063-21kworker/1:0+events21:49:431
408040199246512,2450cyclictest4109143-21kworker/0:0+events20:40:200
408041199246412,2449cyclictest4176876-21kworker/3:2+events00:06:153
408040199246311,2448cyclictest4167099-21kworker/0:0+events23:49:100
408040599246112,2447cyclictest4149289-21kworker/1:0+events22:50:091
408040599246112,2446cyclictest4142795-21kworker/1:1+events22:21:371
408040599245812,2441cyclictest4121889-21kworker/1:2+events21:34:281
408040199245611,2441cyclictest4133358-21kworker/0:2+events22:07:540
408040599245512,2440cyclictest4155635-21kworker/1:1+events23:12:451
408040599245412,2439cyclictest4162054-21kworker/1:1+events23:27:341
408040199245412,2439cyclictest4172113-21kworker/0:1+events23:52:340
408040599245312,2437cyclictest4118592-21kworker/1:1+events21:24:101
408040599245312,2437cyclictest4109266-21kworker/1:2+events20:39:561
408040599245212,2437cyclictest4141169-21kworker/1:0+events22:16:401
408040199245212,2438cyclictest4172113-21kworker/0:1+events00:05:050
408040199245212,2436cyclictest4145285-21kworker/0:2+events22:36:270
408040799245012,2434cyclictest4095027-21kworker/2:2+events19:58:002
408040199245012,2435cyclictest4154170-21kworker/0:2+events23:16:530
408040599244912,2433cyclictest4088442-21kworker/1:1+events19:51:321
408040599244812,2432cyclictest4071861-21kworker/1:0+events19:29:231
408040199244812,2432cyclictest4102861-21kworker/0:1+events20:47:350
408040199244712,2433cyclictest4165473-21kworker/0:2+events23:39:190
408040199244711,2432cyclictest4102861-21kworker/0:1+events20:30:250
408040199244611,2431cyclictest4113852-21kworker/0:2+events21:07:020
408040199244512,2430cyclictest4178694-21kworker/0:1+events00:18:240
408040199244512,2430cyclictest4102861-21kworker/0:1+events20:21:420
408040199244512,2429cyclictest4090284-21kworker/0:0+events19:44:150
408040199244511,2431cyclictest4081776-21kworker/0:1+events19:38:030
408040799244312,2427cyclictest4138051-21kworker/2:0+events22:40:152
408040199244312,2428cyclictest4162264-21kworker/0:2+events23:24:040
408040199244312,2427cyclictest4131699-21kworker/0:1+events21:51:370
408040199244312,2427cyclictest4090284-21kworker/0:0+events19:48:280
408040199244212,2427cyclictest4102861-21kworker/0:1+events20:26:160
408040199244212,2426cyclictest4167099-21kworker/0:0+events23:58:590
408040199244212,2426cyclictest4133358-21kworker/0:2+events22:12:300
408040199244111,2426cyclictest4149257-21kworker/0:0+events23:04:010
408040199244012,2424cyclictest4120227-21kworker/0:0+events21:27:360
408040199243912,2423cyclictest4081776-21kworker/0:1+events19:23:140
408040199243911,2424cyclictest4163868-21kworker/0:1+events23:32:090
408040199243911,2424cyclictest4120227-21kworker/0:0+events21:17:400
408040199243810,2424cyclictest4143124-21kworker/0:1+events22:33:020
408040199243810,2424cyclictest4143124-21kworker/0:1+events22:33:010
40804119924369,2423cyclictest4155550-21kworker/3:0+events23:23:223
408040199243611,2422cyclictest4096818-21kworker/0:1+events20:08:380
408040199243212,2416cyclictest4113852-21kworker/0:2+events20:55:570
408040599242211,2408cyclictest4071861-21kworker/1:0+events19:30:321
408040799241611,2401cyclictest4167012-21kworker/2:2+events23:40:502
408040599241611,2401cyclictest4166925-21kworker/1:0+events23:45:461
408041199241512,2399cyclictest4104278-21kworker/3:2+events20:36:093
408041199241410,2400cyclictest4136457-21kworker/3:1+events22:02:573
408040799241312,2397cyclictest4143212-21kworker/2:2+events22:27:222
408040199241310,2399cyclictest4081776-21kworker/0:1+events19:28:370
408041199241112,2397cyclictest4117113-21kworker/3:0+events21:05:303
408041199241012,2394cyclictest4155550-21kworker/3:0+events23:02:533
408041199241011,2396cyclictest4088733-21kworker/3:0+events19:35:003
408041199241010,2396cyclictest4133298-21kworker/3:0+events22:10:343
408041199240812,2392cyclictest4129973-21kworker/3:2+events21:59:153
408040199240811,2394cyclictest4149257-21kworker/0:0+events22:59:550
408041199240612,2390cyclictest4144606-21kworker/3:1+events22:33:263
408041199240612,2390cyclictest4144606-21kworker/3:1+events22:33:263
408040199240610,2394cyclictest4183344-21kworker/0:1+events00:30:100
408041199240411,2389cyclictest4120347-21kworker/3:1+events21:29:323
408041199239912,2384cyclictest4125711-21kworker/3:0+events21:42:033
408040199239912,2383cyclictest4130032-21kworker/0:0+events21:48:580
408040799239811,2383cyclictest4138051-21kworker/2:0+events22:47:342
408041199239311,2379cyclictest4085559-21kworker/3:2+events19:24:463
408040799239312,2379cyclictest4083764-21kworker/2:1+events20:15:122
408040799239212,2376cyclictest4083764-21kworker/2:1+events20:34:352
408040199239212,2376cyclictest4120227-21kworker/0:0+events21:23:460
408040599239011,2375cyclictest4153851-21kworker/1:2+events23:03:141
408040799238811,2374cyclictest4131576-21kworker/2:2+events21:59:592
408040199238812,2374cyclictest4141441-21kworker/0:2+events22:20:080
408041199237712,2361cyclictest4104278-21kworker/3:2+events20:21:183
408041199237511,2361cyclictest4155550-21kworker/3:0+events23:07:253
40804019923679,2354cyclictest4120227-21kworker/0:0+events21:14:150
408041199236010,2346cyclictest4178510-21kworker/3:1+events00:16:083
408041199235312,2337cyclictest4180200-21kworker/3:2+events00:33:363
408040799235210,2338cyclictest4183195-21kworker/2:0+events00:27:102
408041199235112,2335cyclictest4158805-21kworker/3:1+events23:31:013
408040799235112,2336cyclictest4110676-21kworker/2:2+events21:24:332
408041199234812,2332cyclictest4180200-21kworker/3:2+events00:21:033
408041199234712,2332cyclictest4174959-21kworker/3:1+events00:04:403
408040199234510,2331cyclictest4149257-21kworker/0:0+events22:46:020
408040799234211,2327cyclictest4083764-21kworker/2:1+events19:53:472
408040599233912,2324cyclictest4118592-21kworker/1:1+events21:18:261
408040599233611,2322cyclictest4183375-21kworker/1:0+events00:36:161
408040199233511,2321cyclictest4155826-21kworker/0:1+events23:14:370
408040599233312,2318cyclictest4088442-21kworker/1:1+events20:02:101
408041199233112,2317cyclictest4146235-21kworker/3:0+events22:37:123
408041199232911,2315cyclictest4152280-21kworker/3:2+events22:56:163
408041199232812,2313cyclictest4155550-21kworker/3:0+events23:18:253
408040799232812,2313cyclictest4091822-21kworker/2:0+events19:48:042
408041199232711,2313cyclictest4147841-21kworker/3:1+events22:49:463
408041199232612,2310cyclictest4168602-21kworker/3:2+events23:49:323
408041199232512,2310cyclictest4185098-21kworker/3:1+events00:35:303
408040799232512,2309cyclictest4145942-21kworker/2:1+events22:36:482
408041199232412,2310cyclictest4088733-21kworker/3:0+events19:50:213
408041199232412,2309cyclictest4099855-21kworker/3:0+events20:14:033
408041199232412,2308cyclictest4115483-21kworker/3:2+events20:59:473
408040799232411,2310cyclictest4184887-21kworker/2:2+events00:39:012
408041199232211,2308cyclictest4142976-21kworker/3:2+events22:23:553
408040799232212,2307cyclictest4138051-21kworker/2:0+events22:30:462
408040799232212,2307cyclictest4138051-21kworker/2:0+events22:30:462
408041199232012,2305cyclictest4122008-21kworker/3:2+events21:24:563
408041199231912,2303cyclictest4152280-21kworker/3:2+events22:53:363
40804119923189,2305cyclictest4129973-21kworker/3:2+events21:50:313
408041199231612,2300cyclictest4147841-21kworker/3:1+events22:41:003
408041199231512,2300cyclictest4098247-21kworker/3:1+events20:16:463
408041199231511,2300cyclictest4125711-21kworker/3:0+events21:38:403
408041199231311,2300cyclictest4104278-21kworker/3:2+events20:30:493
408041199231011,2296cyclictest4085559-21kworker/3:2+events19:29:003
408040199231010,2297cyclictest4175335-21kworker/0:2+events00:23:410
408041199230911,2294cyclictest4104278-21kworker/3:2+events20:42:593
408040799230712,2291cyclictest4183195-21kworker/2:0+events00:33:582
408041199229712,2282cyclictest4120347-21kworker/3:1+events21:15:483
40804119922898,2278cyclictest4107599-21kworker/3:0+events20:54:473
408040599227712,2262cyclictest4149289-21kworker/1:0+events22:55:521
408040799227511,2261cyclictest4083764-21kworker/2:1+events19:31:152
408041199227112,2255cyclictest4136457-21kworker/3:1+events22:17:263
408040599226811,2254cyclictest4110946-21kworker/1:0+events20:50:351
408040199226811,2254cyclictest4133358-21kworker/0:2+events22:04:300
40804079922669,2253cyclictest4123836-21kworker/2:1+events21:34:522
408040599226310,2251cyclictest4071861-21kworker/1:0+events19:35:251
408040799226210,2249cyclictest4083764-21kworker/2:1+events20:00:152
408040599226211,2248cyclictest4096566-21kworker/1:0+events20:08:161
408040599226010,2246cyclictest4173592-21kworker/1:2+events00:02:011
408040199226011,2246cyclictest4102861-21kworker/0:1+events20:39:140
40804059922559,2243cyclictest4081629-21kworker/1:2+events19:17:291
40804079922547,2243cyclictest4110676-21kworker/2:2+events20:48:202
408040599225110,2238cyclictest4101401-21kworker/1:2+events20:27:261
408040199224510,2233cyclictest4131699-21kworker/0:1+events21:55:030
408040199223810,2225cyclictest4125440-21kworker/0:1+events21:37:060
408040199223810,2223cyclictest4079977-21kworker/0:2+events19:19:250
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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