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2026-01-05 - 09:27

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #7, slot #3

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 or here to proceed to next system.
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 rack7slot3s.osadl.org (updated Mon Jan 05, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
937722510,1sleep10-21swapper/119:05:291
198402840,2sleep10-21swapper/100:00:391
170972780,5sleep01108299cyclictest22:25:190
310322670,3sleep21108599cyclictest21:35:132
1108299665,41cyclictest0-21swapper/000:20:280
11082996318,26cyclictest31444-21latency_hist23:05:140
113422600,2sleep0101ktimersoftd/022:10:130
1108299597,42cyclictest13705-21grep22:15:300
1108299597,42cyclictest13705-21grep22:15:300
1108599582,10cyclictest0-21swapper/222:50:232
11082995836,12cyclictest0-21swapper/023:30:390
1108299583,38cyclictest0-21swapper/023:45:420
1108299571,7cyclictest876-21latency_hist23:10:140
11082995714,20cyclictest7750irq/56-dwc_otg19:55:350
1108299571,39cyclictest22067-21unixbench_multi00:05:420
1108299569,44cyclictest0-21swapper/020:15:280
1108299562,34cyclictest32262-21head20:05:420
1108299561,38cyclictest13905-21runrttasks20:45:360
1108299561,35cyclictest22292-21fschecks_time19:40:330
1108299561,30cyclictest28810-21head21:25:420
1108699551,13cyclictest0-21swapper/319:35:273
1108699551,13cyclictest0-21swapper/319:35:273
1108299557,27cyclictest0-21swapper/022:00:270
1108299554,43cyclictest0-21swapper/021:35:190
1108299552,36cyclictest0-21swapper/023:00:140
11082995516,21cyclictest9-21ksoftirqd/022:25:130
1108299551,3cyclictest0-21swapper/019:25:130
1108299551,33cyclictest7147-21proc_pri23:25:400
11082995428,8cyclictest7850irq/56-dwc_otg_19:15:430
11082995424,5cyclictest7950irq/56-dwc_otg_20:05:130
1108299542,26cyclictest0-21swapper/000:10:410
1108299542,26cyclictest0-21swapper/000:10:410
11082995332,14cyclictest5580-21kworker/0:221:55:380
11082995326,12cyclictest25618-21aten_rbpower_cu19:50:320
11082995319,32cyclictest18661-21fschecks_time19:30:310
1108299522,8cyclictest16614-21sed23:50:430
1108299522,5cyclictest2106-21grep23:10:470
11082995212,20cyclictest13-21rcuc/000:15:390
11082995125,12cyclictest7950irq/56-dwc_otg_22:35:280
11082995115,5cyclictest529-21wget20:10:290
11082995110,5cyclictest0-21swapper/022:45:280
11082995110,5cyclictest0-21swapper/022:45:280
1108399502,29cyclictest0-21swapper/122:45:271
1108399502,29cyclictest0-21swapper/122:45:271
11082995028,5cyclictest7850irq/56-dwc_otg_21:30:290
1108299502,29cyclictest0-21swapper/020:33:310
1108299501,32cyclictest0-21swapper/000:30:320
1108299492,29cyclictest0-21swapper/000:00:420
11082994917,7cyclictest7750irq/56-dwc_otg21:25:130
1108299491,5cyclictest11394-21fschecks_time19:10:300
1108299491,32cyclictest17439-21ntpq20:55:360
1108299491,32cyclictest0-21swapper/020:21:360
1108299491,24cyclictest28494-21grep00:25:320
1108699484,6cyclictest0-21swapper/322:45:253
1108699484,6cyclictest0-21swapper/322:45:253
1108599486,26cyclictest27509-21taskset19:55:282
1108299482,43cyclictest0-21swapper/020:25:390
1108299482,33cyclictest0-21swapper/022:10:280
11082994820,15cyclictest20715-21fschecks_time21:05:360
1108299481,34cyclictest0-21swapper/023:40:400
11082994724,6cyclictest7850irq/56-dwc_otg_23:35:410
11082994719,21cyclictest0-21swapper/021:00:210
11082994715,2cyclictest0-21swapper/022:30:390
1108299471,30cyclictest0-21swapper/022:40:420
1108299471,29cyclictest10288-21ps20:35:380
1108599467,25cyclictest0-21swapper/221:10:272
11085994617,6cyclictest12265-21fschecks_time23:40:332
1108399467,25cyclictest0-21swapper/122:40:291
1108399462,23cyclictest0-21swapper/122:50:231
1108399461,18cyclictest7950irq/56-dwc_otg_20:00:281
1108299461,28cyclictest17712-21unixbench_singl19:25:450
1108299461,24cyclictest17437-21aten_rbpower_po23:55:280
1108699452,4cyclictest7950irq/56-dwc_otg_19:40:273
1108599457,23cyclictest0-21swapper/220:40:282
1108599457,23cyclictest0-21swapper/220:25:272
11082994515,15cyclictest0-21swapper/020:40:430
105712452,13sleep00-21swapper/019:07:100
1108599447,24cyclictest0-21swapper/220:20:292
1108599445,25cyclictest0-21swapper/200:15:282
1108399441,8cyclictest18492-21sed23:55:431
1108399441,21cyclictest7850irq/56-dwc_otg_21:45:131
1108299443,14cyclictest16026-21unixbench-2d20:50:420
11082994430,4cyclictest4942-21ls23:20:330
11082994419,5cyclictest31913-21wget00:35:300
1108299441,41cyclictest21769-21kworker/0:221:10:380
1108299441,29cyclictest0-21swapper/023:17:100
11082994412,20cyclictest0-21swapper/021:15:250
1108399437,23cyclictest0-21swapper/100:05:271
1108399433,9cyclictest7850irq/56-dwc_otg_22:55:391
1108299436,21cyclictest27323-21taskset22:50:410
11082994320,11cyclictest7950irq/56-dwc_otg_21:45:260
1108299431,5cyclictest7950irq/56-dwc_otg_19:45:250
1108699425,5cyclictest7950irq/56-dwc_otg_19:30:263
1108599427,25cyclictest0-21swapper/219:25:302
1108599427,25cyclictest0-21swapper/219:15:292
1108599427,23cyclictest0-21swapper/220:50:272
1108399427,26cyclictest0-21swapper/122:20:271
1108399422,22cyclictest0-21swapper/120:30:271
1108299426,7cyclictest7850irq/56-dwc_otg_19:35:270
1108299426,7cyclictest7850irq/56-dwc_otg_19:35:270
1108299422,31cyclictest0-21swapper/021:51:520
11082994216,4cyclictest1478-21wc21:40:390
1108699417,25cyclictest0-21swapper/321:00:283
1108699417,24cyclictest0-21swapper/322:10:283
1108699417,24cyclictest0-21swapper/322:00:273
1108699414,6cyclictest7850irq/56-dwc_otg_21:05:293
1108599417,25cyclictest0-21swapper/220:10:292
1108399418,23cyclictest0-21swapper/121:10:271
307512400,1sleep30-21swapper/300:30:403
1108699407,24cyclictest0-21swapper/320:05:273
1108699407,23cyclictest0-21swapper/320:15:303
1108699406,22cyclictest0-21swapper/321:15:273
11086994016,7cyclictest28323-21wget00:25:293
1108599407,24cyclictest0-21swapper/223:35:202
1108399407,23cyclictest0-21swapper/120:50:271
1108399407,23cyclictest0-21swapper/120:40:281
1108399407,21cyclictest0-21swapper/100:15:281
1108399404,26cyclictest23726-21ls00:10:401
1108399404,26cyclictest23726-21ls00:10:401
1108399403,23cyclictest8974-21ls22:00:421
1108399403,20cyclictest0-21swapper/121:20:271
11083994016,5cyclictest31029-21basename21:35:131
11083994014,23cyclictest0-21swapper/121:50:281
11085993919,5cyclictest1320750wget20:45:262
1108599391,23cyclictest22485-21ls22:40:142
1108399397,22cyclictest0-21swapper/120:10:291
11083993926,4cyclictest2533-21idleruntime-cro23:15:131
1108699382,3cyclictest7850irq/56-dwc_otg_20:40:263
11086993812,6cyclictest27204-21cut19:55:133
1108399385,21cyclictest7750irq/56-dwc_otg23:05:281
1108699376,9cyclictest0-21swapper/319:25:393
1108699373,4cyclictest7850irq/56-dwc_otg_19:45:223
1108699372,9cyclictest0-21swapper/322:15:263
1108699372,9cyclictest0-21swapper/322:15:263
1108599378,18cyclictest0-21swapper/221:50:322
1108599371,4cyclictest7750irq/56-dwc_otg00:10:262
1108599371,4cyclictest7750irq/56-dwc_otg00:10:262
1108399379,16cyclictest221ktimersoftd/121:50:141
1108399372,22cyclictest7750irq/56-dwc_otg20:05:431
1108599365,17cyclictest7950irq/56-dwc_otg_21:55:282
11085993630,4cyclictest32358-21ls21:35:422
11085993619,4cyclictest26702-21grep19:50:472
1108599361,22cyclictest0-21swapper/221:20:262
11085993612,13cyclictest0-21swapper/200:30:282
1108399366,25cyclictest0-21swapper/123:50:271
1108399366,20cyclictest7750irq/56-dwc_otg21:35:291
1108399361,4cyclictest7750irq/56-dwc_otg19:25:451
11083993612,4cyclictest19239-21/usr/sbin/munin21:00:381
52912350,6sleep31108699cyclictest20:20:443
177972350,1sleep20-21swapper/222:25:372
1108699352,18cyclictest0-21swapper/320:33:243
11086993517,4cyclictest28933-21sed22:55:383
1108599357,25cyclictest0-21swapper/220:55:272
1108599356,14cyclictest0-21swapper/200:05:272
1108599354,14cyclictest7950irq/56-dwc_otg_19:30:282
1108599353,7cyclictest0-21swapper/222:40:272
1108599352,24cyclictest7850irq/56-dwc_otg_23:10:132
1108599352,16cyclictest0-21swapper/222:05:132
11085993518,6cyclictest17781-21if_wlan023:55:332
1108599351,25cyclictest7850irq/56-dwc_otg_21:05:322
1108599351,24cyclictest16960-21latency_hist22:25:142
1108599351,13cyclictest7750irq/56-dwc_otg23:00:142
1108399355,5cyclictest14883-21unixbench_singl23:45:421
1108399353,16cyclictest7850irq/56-dwc_otg_19:25:141
1108399352,23cyclictest0-21swapper/119:50:321
1108399352,21cyclictest0-21swapper/121:25:271
1108399351,2cyclictest0-21swapper/120:25:261
11083993512,12cyclictest13657-21/usr/sbin/munin19:15:401
302742340,2sleep30-21swapper/321:30:403
1108699348,11cyclictest7950irq/56-dwc_otg_22:35:323
11086993424,7cyclictest22532-21sh00:10:143
1108699341,3cyclictest7950irq/56-dwc_otg_19:10:243
1108599347,14cyclictest0-21swapper/223:00:272
11085993424,7cyclictest25345-21sh19:50:132
1108399349,15cyclictest13035-21grep23:40:431
1108399347,19cyclictest7750irq/56-dwc_otg22:30:361
1108399347,15cyclictest0-21swapper/100:20:281
11083993427,5cyclictest4195-21wget20:20:291
260032330,2sleep30-21swapper/321:20:293
1108699334,16cyclictest32436-21grep23:05:413
1108699332,11cyclictest7950irq/56-dwc_otg_23:55:363
11086993314,9cyclictest7950irq/56-dwc_otg_19:15:273
1108699331,28cyclictest4783-21ls23:20:303
1108599337,14cyclictest0-21swapper/223:25:292
1108599336,5cyclictest7750irq/56-dwc_otg22:50:142
1108599336,5cyclictest7750irq/56-dwc_otg22:50:142
1108599336,15cyclictest0-21swapper/200:00:292
1108599335,3cyclictest0-21swapper/200:25:252
1108599334,18cyclictest22031-21wget19:40:292
1108399339,7cyclictest30077-21aten_rbpower_en00:30:291
1108399337,13cyclictest0-21swapper/122:15:321
1108399337,13cyclictest0-21swapper/122:15:321
1108399336,17cyclictest7750irq/56-dwc_otg19:35:351
1108399336,17cyclictest7750irq/56-dwc_otg19:35:351
1108399335,20cyclictest7750irq/56-dwc_otg23:20:431
11083993323,4cyclictest2561-21fschecks_count20:15:341
1108399331,19cyclictest31449-21ls23:05:141
105982333,22sleep20-21swapper/219:07:332
1108699324,12cyclictest7950irq/56-dwc_otg_21:00:143
1108699323,12cyclictest7950irq/56-dwc_otg_20:25:323
11086993225,5cyclictest39-21ksoftirqd/321:10:293
1108699322,13cyclictest7950irq/56-dwc_otg_23:30:303
1108699321,7cyclictest557-21wget20:10:303
1108699321,15cyclictest10409-21fschecks_time23:35:313
1108599327,18cyclictest0-21swapper/221:28:512
1108599326,14cyclictest0-21swapper/221:40:272
1108599323,5cyclictest0-21swapper/223:10:432
1108599321,4cyclictest7850irq/56-dwc_otg_22:15:302
1108599321,4cyclictest7850irq/56-dwc_otg_22:15:302
1108599321,4cyclictest7850irq/56-dwc_otg_19:20:442
1108599321,22cyclictest11746-21cpuspeed22:10:302
1108399326,4cyclictest7850irq/56-dwc_otg_19:40:331
1108399322,20cyclictest7750irq/56-dwc_otg19:11:211
1108399322,10cyclictest28663-21grep19:55:441
11083993217,5cyclictest18616-21fschecks_count19:30:311
1108399321,6cyclictest6429-21cut21:55:311
1108699314,5cyclictest37-21rcuc/323:45:353
1108699314,11cyclictest7950irq/56-dwc_otg_23:40:333
1108699313,17cyclictest0-21swapper/322:30:293
1108699313,12cyclictest7950irq/56-dwc_otg_23:10:413
1108699312,9cyclictest0-21swapper/320:02:283
1108699312,6cyclictest13136-21/usr/sbin/munin20:45:303
1108699312,18cyclictest0-21swapper/300:20:303
1108599315,17cyclictest24480-21uname21:15:332
1108599315,15cyclictest7750irq/56-dwc_otg00:25:142
11085993125,4cyclictest6184-21ls23:25:142
1108599311,4cyclictest7950irq/56-dwc_otg_23:30:242
1108399318,11cyclictest24772-21proc_pri21:15:381
1108399315,5cyclictest1125-21runrttasks20:45:361
1108399314,5cyclictest0-21swapper/122:35:261
1108399314,13cyclictest7750irq/56-dwc_otg21:05:341
1108399313,20cyclictest7750irq/56-dwc_otg23:16:391
1108399313,11cyclictest7850irq/56-dwc_otg_00:40:141
1108399311,6cyclictest0-21swapper/120:35:271
1108699305,4cyclictest7950irq/56-dwc_otg_23:00:433
1108699303,14cyclictest7950irq/56-dwc_otg_23:50:363
1108599302,7cyclictest7950irq/56-dwc_otg_22:30:352
1108599301,13cyclictest7750irq/56-dwc_otg20:15:372
1108399308,12cyclictest7950irq/56-dwc_otg_22:10:131
1108399306,8cyclictest9310-21grep23:30:411
1108399301,22cyclictest0-21swapper/120:55:251
1108399301,16cyclictest7750irq/56-dwc_otg22:27:111
1108699292,6cyclictest17098-21apt-get22:25:193
1108699292,12cyclictest22532-21/usr/sbin/munin22:40:453
1108699291,5cyclictest6490-21perl21:55:323
1108599296,4cyclictest7750irq/56-dwc_otg21:00:402
1108599296,14cyclictest0-21swapper/223:45:272
1108599293,18cyclictest3853-21grep23:15:442
1108599292,15cyclictest3585-21grep21:45:412
1108599291,20cyclictest0-21swapper/220:00:292
1108399297,11cyclictest7850irq/56-dwc_otg_22:10:401
1108399294,11cyclictest7850irq/56-dwc_otg_23:25:411
1108399291,17cyclictest7750irq/56-dwc_otg23:35:191
1108699284,4cyclictest7750irq/56-dwc_otg00:36:383
1108699283,10cyclictest7950irq/56-dwc_otg_21:45:303
11086992822,4cyclictest14988-21aten_rbpower_cu20:50:273
1108699282,14cyclictest7950irq/56-dwc_otg_21:35:423
1108699282,12cyclictest7950irq/56-dwc_otg_20:35:303
1108699282,10cyclictest0-21swapper/300:00:363
11086992817,8cyclictest15960-21grep22:20:383
1108699281,11cyclictest7950irq/56-dwc_otg_23:25:343
1108599284,22cyclictest21760-21ls19:40:142
1108599284,22cyclictest21760-21ls19:40:142
11085992816,5cyclictest1128-21lldpd22:07:512
1108599281,17cyclictest8406-21ntpq20:30:372
1108599281,12cyclictest7950irq/56-dwc_otg_20:05:392
1108399284,12cyclictest7850irq/56-dwc_otg_19:45:391
1108399281,6cyclictest0-21swapper/100:25:211
108102285,15sleep310844-21munin-run19:10:133
1108699274,12cyclictest28200-21ls21:25:343
1108699273,11cyclictest0-21swapper/300:19:243
1108699272,7cyclictest10849-21unixbench_multi22:05:413
1108699272,4cyclictest7950irq/56-dwc_otg_00:10:343
1108699272,4cyclictest7950irq/56-dwc_otg_00:10:343
1108699272,4cyclictest7850irq/56-dwc_otg_19:20:343
11086992721,4cyclictest26276-21wget22:50:263
1108699271,14cyclictest7950irq/56-dwc_otg_21:40:313
1108699271,14cyclictest0-21swapper/323:15:393
1108599276,4cyclictest7950irq/56-dwc_otg_23:50:392
1108699261,12cyclictest27491-21/usr/sbin/munin19:55:263
1108599265,14cyclictest301ktimersoftd/220:38:302
11085992619,5cyclictest11185-21basename19:10:272
1108599261,11cyclictest7950irq/56-dwc_otg_00:35:272
1108699252,6cyclictest4342-21apt-get21:50:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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