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2026-08-18 - 15:16

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #6

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.
Unexpectedly long latencies may be caused by SMIs
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 376 highest latencies:
System rack8slot6s.osadl.org (updated Tue Aug 18, 2026 12:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
49179910511049,2cyclictest14583-21kworker/2:1+events11:52:222
49179910511049,2cyclictest12664-21kworker/2:2+events08:51:052
49219910451042,3cyclictest16277-21turbostat11:49:563
49129910411040,1cyclictest6674-21kworker/1:1+events12:32:401
49179910401037,3cyclictest21127-21turbostat09:09:542
49219910381037,1cyclictest23967-21kworker/3:0+events09:51:153
49079910381036,2cyclictest16256-21kworker/0:0+events11:16:290
49079910331032,1cyclictest26943-21kworker/0:2+events11:57:410
49219910311028,3cyclictest31337-21turbostat10:59:563
49079910311029,2cyclictest32469-21kworker/0:2+events07:18:460
49079910301028,2cyclictest32469-21kworker/0:2+events11:21:170
49219910291027,2cyclictest23813-21kworker/3:1+events10:25:533
49079910291026,3cyclictest26943-21kworker/0:2+events12:01:060
49219910271025,2cyclictest12878-21kworker/3:0+events10:08:143
49079910261024,2cyclictest32469-21kworker/0:2+events11:14:260
49079910261023,3cyclictest1389-21kworker/0:1+events07:12:440
49079910231021,2cyclictest26943-21kworker/0:2+events12:11:400
49219910221020,2cyclictest3924-21kworker/3:2+events09:59:453
49079910221020,2cyclictest32469-21kworker/0:2+events11:04:460
49079910211018,3cyclictest32469-21kworker/0:2+events11:05:440
49079910201018,2cyclictest994-21kworker/0:1+events12:09:470
49079910201017,3cyclictest30653-21kworker/0:1+events11:27:300
49219910191018,1cyclictest17925-21kworker/3:2+events10:12:593
49219910161014,2cyclictest8256-21kworker/3:1+events09:37:533
49219910121012,0cyclictest3073-21kworker/3:2+events09:25:223
49219910091007,2cyclictest16159-21kworker/3:2+events09:10:533
49219910061003,1cyclictest17925-21kworker/3:2+events10:24:113
49079910061003,3cyclictest6336-21turbostat11:39:550
4921991000999,1cyclictest19302-21kworker/3:2+events10:50:233
4921991000997,1cyclictest13986-21kworker/3:0+events10:38:383
492199999998,1cyclictest8846-21kworker/3:2+events07:39:323
492199999998,1cyclictest23813-21kworker/3:1+events10:30:453
492199999998,1cyclictest12878-21kworker/3:0+events10:04:533
492199998997,1cyclictest22765-21kworker/3:0+events09:24:443
492199996995,1cyclictest30143-21kworker/3:0+events12:16:483
492199996995,1cyclictest22765-21kworker/3:0+events09:16:513
490799996994,2cyclictest5710-21turbostat10:34:550
492199994993,1cyclictest3073-21kworker/3:2+events09:41:483
492199993992,1cyclictest11138-21kworker/3:0+events07:28:403
492199993991,1cyclictest17925-21kworker/3:2+events10:17:563
491299993992,1cyclictest6674-21kworker/1:1+events12:21:251
492199990990,0cyclictest3073-21kworker/3:2+events09:47:323
492199990989,1cyclictest3073-21kworker/3:2+events09:30:333
492199990989,1cyclictest19302-21kworker/3:2+events10:47:093
492199990987,2cyclictest11729-21turbostat08:49:543
492199989988,1cyclictest3456-21kworker/3:0+events08:32:133
491299989988,1cyclictest26407-21kworker/1:2+events12:38:421
492199988987,1cyclictest21217-21kworker/3:0+events07:50:423
492199988987,1cyclictest1162-21kworker/3:1+events08:25:213
492199988987,1cyclictest11229-21kworker/3:1+events11:42:453
492199987986,1cyclictest16159-21kworker/3:2+events09:07:573
492199987986,1cyclictest13986-21kworker/3:0+events10:41:583
492199986985,1cyclictest8846-21kworker/3:2+events07:32:433
492199986985,1cyclictest25315-21kworker/3:2+events08:20:233
491299986985,1cyclictest899-21kworker/1:2+events11:36:491
492199984983,1cyclictest21217-21kworker/3:0+events07:47:363
492199983982,1cyclictest3456-21kworker/3:0+events08:35:213
492199983982,1cyclictest16159-21kworker/3:2+events09:01:053
491299983981,2cyclictest23184-21kworker/1:0+events08:03:531
492199982981,1cyclictest3456-21kworker/3:0+events08:56:073
492199981981,0cyclictest8846-21kworker/3:2+events07:20:433
492199981980,1cyclictest8846-21kworker/3:2+events07:44:373
491299980979,1cyclictest25858-21kworker/1:1+events08:09:301
492199977976,1cyclictest9365-21kworker/3:2+events08:40:443
492199976975,1cyclictest23265-21kworker/3:1+events07:57:433
490799976974,2cyclictest17424-21turbostat07:44:540
491299974973,1cyclictest871-21kworker/1:2+events08:17:291
491299969968,1cyclictest26407-21kworker/1:2+events12:28:161
491299969968,1cyclictest23184-21kworker/1:0+events08:14:301
491299966965,1cyclictest899-21kworker/1:2+events11:30:461
491299950948,2cyclictest12915-21turbostat07:34:551
492199942940,2cyclictest21593-21turbostat11:54:553
490799942939,3cyclictest28084-21turbostat09:19:560
492199941938,2cyclictest28467-21turbostat11:29:563
490799940936,4cyclictest14177-21turbostat08:54:540
490799874871,3cyclictest11318-21turbostat11:44:560
490799866864,2cyclictest25502-21turbostat08:04:540
490799865863,2cyclictest23498-21turbostat07:59:550
491799856854,2cyclictest9709-21turbostat08:44:552
491299689684,4cyclictest28467-21turbostat11:29:561
491799688685,3cyclictest16277-21turbostat11:49:562
492199667665,2cyclictest31559-21turbostat08:19:543
492199651650,1cyclictest14177-21turbostat08:54:543
491299640638,2cyclictest14040-21turbostat12:19:551
491799632630,2cyclictest11729-21turbostat08:49:542
490799625623,2cyclictest31337-21turbostat10:59:560
491299574571,3cyclictest23498-21turbostat07:59:541
490799538535,3cyclictest21593-21turbostat11:54:560
492199523522,1cyclictest9050-21turbostat12:14:563
492199523520,3cyclictest6859-21turbostat07:19:553
492199518517,1cyclictest6336-21turbostat11:39:563
4912992121,0cyclictest439-21hwrng11:47:241
4912992121,0cyclictest439-21hwrng10:23:251
4907992121,0cyclictest439-21hwrng12:31:250
4907991919,0cyclictest439-21hwrng10:18:170
4921991818,0cyclictest67850irq/123-lan12:38:123
4921991817,1cyclictest67850irq/123-lan11:58:233
4921991817,1cyclictest67850irq/123-lan11:15:173
4921991817,1cyclictest67850irq/123-lan11:05:143
4921991817,1cyclictest67850irq/123-lan11:00:173
4921991717,0cyclictest67850irq/123-lan12:34:043
4921991717,0cyclictest67850irq/123-lan11:30:213
4921991716,1cyclictest67850irq/123-lan12:27:583
4921991716,1cyclictest67850irq/123-lan12:04:063
4921991716,1cyclictest67850irq/123-lan11:21:293
4917991717,0cyclictest439-21hwrng12:04:482
4917991717,0cyclictest439-21hwrng09:29:092
4907991717,0cyclictest439-21hwrng07:28:180
4921991616,0cyclictest67850irq/123-lan11:10:213
4921991615,1cyclictest67850irq/123-lan12:20:103
4921991615,1cyclictest67850irq/123-lan12:06:413
4907991616,0cyclictest439-21hwrng08:47:100
4907991615,1cyclictest439-21hwrng10:01:550
4907991614,2cyclictest439-21hwrng10:46:580
4907991614,2cyclictest439-21hwrng09:40:240
4907991614,2cyclictest439-21hwrng09:14:480
4907991614,2cyclictest439-21hwrng09:06:370
4907991614,2cyclictest439-21hwrng08:42:030
4907991614,2cyclictest439-21hwrng08:25:400
4907991614,2cyclictest439-21hwrng07:46:440
4907991614,2cyclictest439-21hwrng07:24:140
4921991515,0cyclictest439-21hwrng08:09:173
4921991515,0cyclictest439-21hwrng08:00:033
4917991515,0cyclictest439-21hwrng12:25:172
4917991515,0cyclictest439-21hwrng11:36:072
4917991515,0cyclictest439-21hwrng11:25:532
4917991515,0cyclictest439-21hwrng09:56:472
4917991515,0cyclictest439-21hwrng09:54:452
4917991515,0cyclictest439-21hwrng09:46:342
4917991515,0cyclictest439-21hwrng09:14:492
4917991515,0cyclictest439-21hwrng07:49:492
4917991515,0cyclictest439-21hwrng07:42:392
4917991515,0cyclictest439-21hwrng07:15:012
4917991515,0cyclictest439-21hwrng07:12:572
4912991515,0cyclictest439-21hwrng12:05:501
4912991515,0cyclictest439-21hwrng11:50:271
4912991515,0cyclictest439-21hwrng11:42:161
4912991515,0cyclictest439-21hwrng11:22:481
4912991515,0cyclictest439-21hwrng11:19:451
4912991515,0cyclictest439-21hwrng10:49:001
4912991515,0cyclictest439-21hwrng10:44:561
4912991515,0cyclictest439-21hwrng10:35:431
4912991515,0cyclictest439-21hwrng10:30:341
4912991515,0cyclictest439-21hwrng10:28:321
4912991515,0cyclictest439-21hwrng10:12:091
4912991515,0cyclictest439-21hwrng09:51:411
4912991515,0cyclictest439-21hwrng09:49:381
4912991515,0cyclictest439-21hwrng09:41:251
4912991515,0cyclictest439-21hwrng09:13:481
4912991515,0cyclictest439-21hwrng09:05:351
4912991515,0cyclictest439-21hwrng09:03:331
4912991515,0cyclictest439-21hwrng08:44:061
4912991515,0cyclictest439-21hwrng08:29:461
4912991515,0cyclictest439-21hwrng07:52:541
4912991515,0cyclictest439-21hwrng07:48:471
4912991515,0cyclictest439-21hwrng07:43:401
4912991515,0cyclictest439-21hwrng07:36:311
4907991515,0cyclictest439-21hwrng12:39:370
4907991515,0cyclictest439-21hwrng12:19:080
4907991515,0cyclictest439-21hwrng10:42:530
4907991515,0cyclictest439-21hwrng10:13:100
4907991515,0cyclictest439-21hwrng09:51:410
4907991515,0cyclictest439-21hwrng08:24:380
4907991515,0cyclictest439-21hwrng08:17:280
4907991515,0cyclictest439-21hwrng08:10:180
4907991514,1cyclictest439-21hwrng12:23:140
4907991514,1cyclictest439-21hwrng09:29:080
4907991514,1cyclictest439-21hwrng08:56:230
4907991513,2cyclictest439-21hwrng10:51:040
4907991513,2cyclictest439-21hwrng10:28:330
4907991513,2cyclictest439-21hwrng08:06:130
4921991414,0cyclictest439-21hwrng07:11:553
4917991414,0cyclictest439-21hwrng12:35:312
4917991414,0cyclictest439-21hwrng12:32:272
4917991414,0cyclictest439-21hwrng12:10:572
4917991414,0cyclictest439-21hwrng12:06:502
4917991414,0cyclictest439-21hwrng11:56:362
4917991414,0cyclictest439-21hwrng11:42:162
4917991414,0cyclictest439-21hwrng11:33:032
4917991414,0cyclictest439-21hwrng11:22:492
4917991414,0cyclictest439-21hwrng11:15:382
4917991414,0cyclictest439-21hwrng11:12:342
4917991414,0cyclictest439-21hwrng11:05:252
4917991414,0cyclictest439-21hwrng11:02:192
4917991414,0cyclictest439-21hwrng10:59:162
4917991414,0cyclictest439-21hwrng10:50:032
4917991414,0cyclictest439-21hwrng10:45:562
4917991414,0cyclictest439-21hwrng10:35:432
4917991414,0cyclictest439-21hwrng10:31:372
4917991414,0cyclictest439-21hwrng10:27:302
4917991414,0cyclictest439-21hwrng10:20:212
4917991414,0cyclictest439-21hwrng10:19:202
4917991414,0cyclictest439-21hwrng10:10:062
4917991414,0cyclictest439-21hwrng10:06:012
4917991414,0cyclictest439-21hwrng10:01:562
4917991414,0cyclictest439-21hwrng09:43:282
4917991414,0cyclictest439-21hwrng09:37:202
4917991414,0cyclictest439-21hwrng09:34:162
4917991414,0cyclictest439-21hwrng09:20:572
4917991414,0cyclictest439-21hwrng09:15:512
4917991414,0cyclictest439-21hwrng09:04:352
4917991414,0cyclictest439-21hwrng08:57:252
4917991414,0cyclictest439-21hwrng08:25:402
4917991414,0cyclictest439-21hwrng08:22:362
4917991414,0cyclictest439-21hwrng08:14:242
4917991414,0cyclictest439-21hwrng08:05:112
4917991414,0cyclictest439-21hwrng08:04:092
4917991414,0cyclictest439-21hwrng07:55:572
4917991414,0cyclictest439-21hwrng07:54:572
4917991414,0cyclictest439-21hwrng07:38:342
4917991414,0cyclictest439-21hwrng07:30:222
4917991414,0cyclictest439-21hwrng07:25:142
4917991414,0cyclictest439-21hwrng07:21:082
4912991414,0cyclictest439-21hwrng12:13:001
4912991414,0cyclictest439-21hwrng12:00:421
4912991414,0cyclictest439-21hwrng11:55:351
4912991414,0cyclictest439-21hwrng11:12:351
4912991414,0cyclictest439-21hwrng11:06:261
4912991414,0cyclictest439-21hwrng11:00:161
4912991414,0cyclictest439-21hwrng10:57:131
4912991414,0cyclictest439-21hwrng10:54:091
4912991414,0cyclictest439-21hwrng10:15:141
4912991414,0cyclictest439-21hwrng10:02:571
4912991414,0cyclictest439-21hwrng09:59:511
4912991414,0cyclictest439-21hwrng09:35:181
4912991414,0cyclictest439-21hwrng09:32:131
4912991414,0cyclictest439-21hwrng09:26:041
4912991414,0cyclictest439-21hwrng09:20:571
4912991414,0cyclictest439-21hwrng09:15:511
4912991414,0cyclictest439-21hwrng08:57:251
4912991414,0cyclictest439-21hwrng08:50:141
4912991414,0cyclictest439-21hwrng08:48:121
4912991414,0cyclictest439-21hwrng08:35:541
4912991414,0cyclictest439-21hwrng08:30:461
4912991414,0cyclictest439-21hwrng08:22:361
4912991414,0cyclictest439-21hwrng07:28:181
4912991414,0cyclictest439-21hwrng07:15:011
4912991414,0cyclictest439-21hwrng07:13:581
4907991414,0cyclictest439-21hwrng12:27:190
4907991414,0cyclictest439-21hwrng11:45:210
4907991414,0cyclictest439-21hwrng11:34:050
4907991414,0cyclictest439-21hwrng10:37:460
4907991414,0cyclictest439-21hwrng10:21:230
4907991414,0cyclictest439-21hwrng09:56:470
4907991414,0cyclictest439-21hwrng09:32:140
4907991414,0cyclictest439-21hwrng09:23:010
4907991414,0cyclictest439-21hwrng09:01:300
4907991414,0cyclictest439-21hwrng08:35:530
4907991414,0cyclictest439-21hwrng08:32:490
4907991414,0cyclictest439-21hwrng07:50:510
4907991414,0cyclictest439-21hwrng07:30:210
4907991413,1cyclictest439-21hwrng07:35:300
4907991412,2cyclictest439-21hwrng10:06:010
4907991412,2cyclictest439-21hwrng09:39:240
4921991313,0cyclictest67850irq/123-lan08:10:143
4917991313,0cyclictest439-21hwrng12:22:122
4917991313,0cyclictest439-21hwrng12:15:022
4917991313,0cyclictest439-21hwrng10:41:512
4917991313,0cyclictest439-21hwrng08:16:262
4907991311,2cyclictest439-21hwrng09:45:320
4917991212,0cyclictest439-21hwrng08:35:552
4912991212,0cyclictest439-21hwrng07:23:121
4912991111,0cyclictest439-21hwrng10:08:041
49179999,0cyclictest439-21hwrng08:32:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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