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2026-08-15 - 06:51

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 Sat Aug 15, 2026 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
317439910551051,2cyclictest11379-21kworker/1:0+events22:27:421
317509910521050,2cyclictest29289-21kworker/3:1+events19:29:083
317509910521049,3cyclictest28174-21kworker/3:0+events21:46:503
317439910521050,2cyclictest11379-21kworker/1:0+events22:45:221
317509910511049,2cyclictest8738-21kworker/3:2+events21:44:103
317509910511049,2cyclictest5458-21kworker/3:2+events00:16:263
317509910511049,2cyclictest5458-21kworker/3:2+events00:14:513
317509910511049,2cyclictest31411-21kworker/3:1+events23:00:443
317509910511049,2cyclictest15725-21kworker/3:1+events21:13:003
317439910511050,1cyclictest11379-21kworker/1:0+events22:18:041
317439910511049,2cyclictest7135-21kworker/1:0+events20:48:031
317439910511049,2cyclictest5643-21kworker/1:1+events20:55:531
317439910511049,2cyclictest5643-21kworker/1:1+events20:54:221
317439910511049,2cyclictest24375-21kworker/1:2+events22:58:151
317439910511049,2cyclictest11379-21kworker/1:0+events22:37:201
317439910511049,2cyclictest11379-21kworker/1:0+events22:20:211
317509910501048,2cyclictest8738-21kworker/3:2+events21:37:503
317509910501048,2cyclictest5086-21kworker/3:2+events19:23:193
317509910501048,2cyclictest31567-21kworker/3:2+events19:13:383
317509910501048,2cyclictest28174-21kworker/3:0+events21:21:483
317439910501048,2cyclictest29195-21kworker/1:1+events22:32:091
317439910491047,2cyclictest24375-21kworker/1:2+events22:54:551
317509910461045,1cyclictest15725-21kworker/3:1+events21:19:523
317509910461044,2cyclictest3042-21kworker/3:0+events19:18:143
317479910451042,3cyclictest9689-21turbostat20:59:552
317509910311028,3cyclictest27941-21turbostat20:24:553
317509910301028,2cyclictest6546-21turbostat23:44:563
317389910271023,4cyclictest31612-21turbostat19:14:540
317389910231021,2cyclictest17575-21kworker/0:2+events20:06:520
317509910091007,2cyclictest21896-21turbostat20:09:553
317509910071005,2cyclictest11699-21turbostat21:04:553
317479910021000,2cyclictest24819-21kworker/2:1+events21:54:112
31750991001999,2cyclictest12121-21turbostat22:14:543
31738991001998,3cyclictest25858-21turbostat22:59:560
3174799992991,1cyclictest29610-21kworker/2:2+events23:35:222
3174799991990,1cyclictest26180-21kworker/2:0+events20:23:472
3174799989987,2cyclictest26180-21kworker/2:0+events20:37:592
3173899985984,1cyclictest11949-21kworker/0:1+events23:50:450
3174799984983,1cyclictest31302-21kworker/2:0+events21:56:042
3173899983983,0cyclictest11949-21kworker/0:1+events23:47:000
3173899982981,1cyclictest2281-21kworker/0:0+events00:28:570
3173899981981,0cyclictest4711-21kworker/0:0+events23:12:360
3173899981980,1cyclictest4711-21kworker/0:0+events22:11:050
3173899979977,1cyclictest17575-21kworker/0:2+events19:55:220
3174799978977,1cyclictest24819-21kworker/2:1+events23:26:072
3173899977976,1cyclictest377-21kworker/0:1+events20:00:220
3173899976975,1cyclictest4711-21kworker/0:0+events23:24:120
3173899976975,1cyclictest11949-21kworker/0:1+events00:05:220
3173899973972,1cyclictest377-21kworker/0:1+events19:46:270
3173899973972,1cyclictest13427-21kworker/0:3+events00:04:050
3173899971970,1cyclictest7325-21kworker/0:2+events19:31:160
3173899971970,1cyclictest377-21kworker/0:1+events19:44:230
3173899971970,1cyclictest27642-21kworker/0:1+events00:31:480
3173899970969,1cyclictest4711-21kworker/0:0+events23:15:460
3173899969968,1cyclictest15775-21kworker/0:2+events00:21:310
3173899968968,0cyclictest2281-21kworker/0:0+events00:39:450
3175099964962,2cyclictest29971-21turbostat20:29:553
3173899962961,1cyclictest10226-21kworker/0:0+events19:38:400
3175099961959,2cyclictest28853-21turbostat23:34:563
3174799961960,1cyclictest27391-21kworker/2:1+events20:13:542
3173899961960,1cyclictest13427-21kworker/0:3+events23:55:440
3174799960959,1cyclictest26180-21kworker/2:0+events20:30:222
3174799960959,1cyclictest24819-21kworker/2:1+events22:09:132
3173899960958,2cyclictest10226-21kworker/0:0+events19:50:420
3173899959958,1cyclictest4711-21kworker/0:0+events21:31:270
3173899959957,2cyclictest377-21kworker/0:1+events20:25:540
3173899959957,2cyclictest17575-21kworker/0:2+events21:01:060
3175099954952,2cyclictest16564-21turbostat23:54:553
3174799952951,1cyclictest31970-21kworker/2:1+events21:08:522
3174799952949,3cyclictest31540-21turbostat00:09:562
3174799951950,1cyclictest3505-21kworker/2:0+events23:43:502
3174799949948,1cyclictest31302-21kworker/2:0+events22:04:232
3174799945943,2cyclictest24819-21kworker/2:1+events23:30:232
3175099939937,2cyclictest20090-21turbostat00:29:553
3174799939939,0cyclictest31970-21kworker/2:1+events20:42:132
3174799939938,1cyclictest26180-21kworker/2:0+events20:15:322
3174399924921,3cyclictest13746-21turbostat21:09:541
3174399915914,1cyclictest11379-21kworker/1:0+events22:42:131
3175099914911,3cyclictest3632-21turbostat20:44:553
3175099902901,1cyclictest28174-21kworker/3:0+events21:27:593
3175099897896,1cyclictest28174-21kworker/3:0+events23:05:213
3175099895894,1cyclictest19862-21turbostat20:04:553
3175099871869,2cyclictest4837-21turbostat22:39:563
3175099855852,3cyclictest7034-21turbostat22:09:553
3174399854852,2cyclictest3858-21turbostat21:34:551
3174799692689,3cyclictest18738-21turbostat23:24:552
3173899688685,3cyclictest31176-21turbostat21:29:540
3173899687684,3cyclictest7034-21turbostat22:09:550
3173899687684,3cyclictest3509-21turbostat23:09:550
3175099676675,1cyclictest25858-21turbostat22:59:563
3175099674673,1cyclictest13746-21turbostat21:09:543
3174399669668,1cyclictest3632-21turbostat20:44:551
3173899663662,1cyclictest10052-21turbostat00:19:550
3173899663660,3cyclictest6546-21turbostat23:44:550
3173899663660,3cyclictest27941-21turbostat20:24:550
3175099640639,1cyclictest31540-21turbostat00:09:563
3174799629626,3cyclictest21896-21turbostat20:09:552
3174799624623,1cyclictest11699-21turbostat21:04:552
3173899611609,2cyclictest9689-21turbostat20:59:550
3174799588585,2cyclictest18852-21turbostat21:49:552
3174799584581,3cyclictest29971-21turbostat20:29:552
3173899566564,2cyclictest5334-21turbostat19:29:540
3174399559557,2cyclictest12121-21turbostat22:14:551
3175099424422,2cyclictest3858-21turbostat21:34:553
31738994070,406cyclictest1913-21cpu23:35:130
31750992160,215cyclictest7224-21unixbench_multi20:45:203
31743992525,0cyclictest439-21hwrng22:02:491
31738992323,0cyclictest439-21hwrng23:33:570
31747992020,0cyclictest439-21hwrng19:35:222
31750991918,1cyclictest67850irq/123-lan23:55:143
31750991918,1cyclictest67850irq/123-lan22:19:513
31750991818,0cyclictest67850irq/123-lan23:36:363
31750991818,0cyclictest67850irq/123-lan22:53:083
31750991818,0cyclictest67850irq/123-lan19:57:523
31750991818,0cyclictest67850irq/123-lan00:03:033
31750991817,1cyclictest67850irq/123-lan23:25:163
31750991817,1cyclictest67850irq/123-lan23:17:583
31750991817,1cyclictest67850irq/123-lan21:50:143
31750991817,1cyclictest67850irq/123-lan19:40:173
31750991817,1cyclictest67850irq/123-lan00:20:143
31743991818,0cyclictest439-21hwrng21:26:581
3174399180,18cyclictest21690-21rm23:21:581
31750991717,0cyclictest67850irq/123-lan20:30:153
31750991716,1cyclictest67850irq/123-lan23:45:513
31750991716,1cyclictest67850irq/123-lan23:11:013
31750991716,1cyclictest67850irq/123-lan22:46:083
31750991716,1cyclictest67850irq/123-lan22:32:513
31750991716,1cyclictest67850irq/123-lan22:25:173
31750991716,1cyclictest67850irq/123-lan22:24:243
31750991716,1cyclictest67850irq/123-lan22:01:333
31750991716,1cyclictest67850irq/123-lan21:59:593
31750991716,1cyclictest67850irq/123-lan19:45:153
31747991717,0cyclictest439-21hwrng22:17:092
31750991616,0cyclictest67850irq/123-lan19:30:123
31750991615,1cyclictest67850irq/123-lan23:20:153
31750991615,1cyclictest67850irq/123-lan22:42:073
31750991615,1cyclictest67850irq/123-lan19:50:173
31750991615,1cyclictest67850irq/123-lan00:36:053
31747991616,0cyclictest439-21hwrng00:35:232
31743991616,0cyclictest439-21hwrng21:18:471
31750991515,0cyclictest67850irq/123-lan00:30:303
31750991515,0cyclictest439-21hwrng20:50:073
31750991515,0cyclictest439-21hwrng20:12:143
31750991515,0cyclictest439-21hwrng19:38:263
31750991514,1cyclictest67850irq/123-lan20:35:193
31747991515,0cyclictest439-21hwrng23:50:202
31747991515,0cyclictest439-21hwrng23:46:142
31747991515,0cyclictest439-21hwrng23:06:182
31747991515,0cyclictest439-21hwrng23:04:152
31747991515,0cyclictest439-21hwrng22:55:032
31747991515,0cyclictest439-21hwrng22:46:502
31747991515,0cyclictest439-21hwrng22:39:412
31747991515,0cyclictest439-21hwrng22:20:142
31747991515,0cyclictest439-21hwrng21:42:202
31747991515,0cyclictest439-21hwrng21:34:092
31747991515,0cyclictest439-21hwrng21:19:492
31747991515,0cyclictest439-21hwrng20:47:032
31747991515,0cyclictest439-21hwrng19:45:362
31747991515,0cyclictest439-21hwrng19:44:342
31747991515,0cyclictest439-21hwrng19:20:002
31747991515,0cyclictest439-21hwrng19:13:522
31747991515,0cyclictest439-21hwrng00:27:122
31747991515,0cyclictest439-21hwrng00:10:482
31743991515,0cyclictest439-21hwrng23:57:291
31743991515,0cyclictest439-21hwrng23:49:191
31743991515,0cyclictest439-21hwrng23:38:031
31743991515,0cyclictest439-21hwrng23:30:531
31743991515,0cyclictest439-21hwrng23:10:241
31743991515,0cyclictest439-21hwrng23:00:101
31743991515,0cyclictest439-21hwrng21:55:381
31743991515,0cyclictest439-21hwrng21:40:171
31743991515,0cyclictest439-21hwrng21:35:101
31743991515,0cyclictest439-21hwrng20:37:501
31743991515,0cyclictest439-21hwrng20:09:101
31743991515,0cyclictest439-21hwrng19:59:561
31743991515,0cyclictest439-21hwrng19:42:321
31743991515,0cyclictest439-21hwrng19:26:081
31743991515,0cyclictest439-21hwrng00:30:151
31743991515,0cyclictest439-21hwrng00:25:091
31743991515,0cyclictest439-21hwrng00:24:081
31743991514,1cyclictest439-21hwrng19:30:151
31743991513,2cyclictest758-21ntpd21:20:291
31738991515,0cyclictest439-21hwrng22:45:500
31738991515,0cyclictest439-21hwrng22:37:380
31738991515,0cyclictest439-21hwrng22:26:220
31738991515,0cyclictest439-21hwrng22:02:480
31738991515,0cyclictest439-21hwrng21:47:280
31738991515,0cyclictest439-21hwrng21:35:100
31738991515,0cyclictest439-21hwrng21:16:450
31738991515,0cyclictest439-21hwrng21:13:400
31738991515,0cyclictest439-21hwrng20:48:040
31738991515,0cyclictest439-21hwrng20:36:470
31738991515,0cyclictest439-21hwrng20:31:410
31738991515,0cyclictest439-21hwrng20:18:210
31738991515,0cyclictest439-21hwrng20:12:140
31738991515,0cyclictest439-21hwrng19:21:020
31738991515,0cyclictest439-21hwrng00:13:540
31750991414,0cyclictest439-21hwrng20:59:203
31750991414,0cyclictest439-21hwrng20:16:193
31747991414,0cyclictest439-21hwrng23:59:322
31747991414,0cyclictest439-21hwrng23:16:332
31747991414,0cyclictest439-21hwrng23:11:262
31747991414,0cyclictest439-21hwrng22:53:002
31747991414,0cyclictest439-21hwrng22:40:422
31747991414,0cyclictest439-21hwrng22:34:332
31747991414,0cyclictest439-21hwrng22:27:242
31747991414,0cyclictest439-21hwrng21:38:152
31747991414,0cyclictest439-21hwrng21:26:592
31747991414,0cyclictest439-21hwrng21:21:512
31747991414,0cyclictest439-21hwrng21:10:362
31747991414,0cyclictest439-21hwrng20:50:062
31747991414,0cyclictest439-21hwrng19:56:512
31747991414,0cyclictest439-21hwrng19:52:472
31747991414,0cyclictest439-21hwrng19:32:182
31747991414,0cyclictest439-21hwrng19:25:072
31747991414,0cyclictest439-21hwrng00:30:152
31747991414,0cyclictest439-21hwrng00:21:032
31747991414,0cyclictest439-21hwrng00:15:562
31747991414,0cyclictest439-21hwrng00:01:362
31743991414,0cyclictest439-21hwrng23:50:201
31743991414,0cyclictest439-21hwrng23:26:471
31743991414,0cyclictest439-21hwrng22:05:531
31743991414,0cyclictest439-21hwrng21:52:351
31743991414,0cyclictest439-21hwrng21:45:251
31743991414,0cyclictest439-21hwrng21:02:241
31743991414,0cyclictest439-21hwrng20:33:431
31743991414,0cyclictest439-21hwrng20:25:321
31743991414,0cyclictest439-21hwrng20:11:121
31743991414,0cyclictest439-21hwrng20:00:571
31743991414,0cyclictest439-21hwrng19:51:451
31743991414,0cyclictest439-21hwrng19:22:031
31743991414,0cyclictest439-21hwrng19:17:571
31743991414,0cyclictest439-21hwrng00:35:241
31743991414,0cyclictest439-21hwrng00:10:481
31743991414,0cyclictest439-21hwrng00:00:351
31738991414,0cyclictest439-21hwrng23:26:470
31738991414,0cyclictest439-21hwrng22:50:560
31738991414,0cyclictest439-21hwrng22:40:430
31738991414,0cyclictest439-21hwrng22:31:280
31738991414,0cyclictest439-21hwrng22:22:160
31738991414,0cyclictest439-21hwrng22:15:050
31738991414,0cyclictest439-21hwrng21:58:430
31738991414,0cyclictest439-21hwrng21:50:320
31738991414,0cyclictest439-21hwrng21:41:180
31738991414,0cyclictest439-21hwrng21:20:500
31738991414,0cyclictest439-21hwrng21:05:270
31738991414,0cyclictest439-21hwrng20:51:080
31738991414,0cyclictest439-21hwrng20:42:570
31738991414,0cyclictest439-21hwrng19:16:560
31747991313,0cyclictest439-21hwrng20:00:582
31747991313,0cyclictest439-21hwrng19:15:542
31743991313,0cyclictest439-21hwrng23:43:091
31743991313,0cyclictest439-21hwrng23:06:171
31743991313,0cyclictest439-21hwrng21:11:371
31743991313,0cyclictest439-21hwrng20:20:251
31743991313,0cyclictest439-21hwrng20:15:171
31743991313,0cyclictest439-21hwrng19:45:361
31743991313,0cyclictest439-21hwrng19:36:231
31743991313,0cyclictest439-21hwrng00:07:451
31738991313,0cyclictest439-21hwrng23:01:110
31747991212,0cyclictest439-21hwrng22:13:032
31743991212,0cyclictest439-21hwrng23:18:361
31743991212,0cyclictest439-21hwrng19:14:521
31743991212,0cyclictest439-21hwrng00:17:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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