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2024-05-27 - 18:49

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, 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.
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 100 highest latencies:
System rack0slot3s.osadl.org (updated Mon May 27, 2024 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21807622248208,12sleep30-21swapper/319:09:463
21804832247211,12sleep70-21swapper/719:06:217
21804712245206,12sleep60-21swapper/619:06:126
21804262244208,13sleep40-21swapper/419:05:374
21804362239219,12sleep50-21swapper/519:05:455
21806462238217,12sleep00-21swapper/019:08:220
21807812237217,11sleep10-21swapper/119:10:001
21805752237217,12sleep20-21swapper/219:07:362
2181060998632,20cyclictest0-21swapper/521:45:205
2181060998350,10cyclictest0-21swapper/522:57:565
2181060997676,0cyclictest0-21swapper/500:32:105
2181060997451,0cyclictest0-21swapper/522:13:525
2181060997441,21cyclictest0-21swapper/520:55:205
2181060997340,21cyclictest0-21swapper/523:46:365
2181060997251,21cyclictest0-21swapper/523:31:205
2181060997240,20cyclictest0-21swapper/523:20:425
2181060997151,20cyclictest0-21swapper/522:42:445
2181060997151,20cyclictest0-21swapper/520:22:045
2181060996763,0cyclictest0-21swapper/522:46:205
2181060996739,24cyclictest2192361-21kworker/5:0+mm_percpu_wq20:18:125
2181066996645,0cyclictest2192148-21kworker/7:0+events21:20:567
2181060996565,0cyclictest0-21swapper/523:37:325
2181060996565,0cyclictest0-21swapper/520:35:445
2181060996538,23cyclictest2194389-21kworker/5:1-events21:15:485
218106099650,38cyclictest0-21swapper/500:20:085
2181060996452,0cyclictest0-21swapper/519:56:245
2181060996441,0cyclictest0-21swapper/500:39:465
2181060996355,4cyclictest0-21swapper/522:30:005
2181060996341,10cyclictest2194389-21kworker/5:1-mm_percpu_wq21:58:425
2181060996340,19cyclictest2224456-21kworker/5:1-events_freezable00:17:205
2181060996339,24cyclictest0-21swapper/519:29:065
2181060996339,24cyclictest0-21swapper/519:29:065
2181060996255,3cyclictest0-21swapper/521:41:145
2181060996254,6cyclictest0-21swapper/519:50:565
2181060996254,4cyclictest0-21swapper/520:13:375
2181060996154,3cyclictest0-21swapper/522:28:165
2181060996153,4cyclictest0-21swapper/519:38:005
2181055996155,4cyclictest0-21swapper/322:56:423
2181060996056,4cyclictest0-21swapper/522:15:045
2181060996054,4cyclictest0-21swapper/521:39:565
2181060996040,20cyclictest0-21swapper/522:01:465
2181060996040,20cyclictest0-21swapper/520:03:565
2181055996017,39cyclictest0-21swapper/321:48:263
2181060995941,14cyclictest0-21swapper/523:43:045
2181060995939,15cyclictest2178272-21kworker/5:1+mm_percpu_wq19:42:045
2181060995855,3cyclictest0-21swapper/519:46:285
2181060995854,4cyclictest0-21swapper/520:30:205
2181060995854,4cyclictest0-21swapper/500:26:585
2181060995854,4cyclictest0-21swapper/500:06:205
2181060995840,14cyclictest0-21swapper/523:55:045
2181060995840,14cyclictest0-21swapper/523:16:285
2181060995840,14cyclictest0-21swapper/521:27:385
2181060995839,15cyclictest68-21ksoftirqd/522:52:265
2181060995839,15cyclictest2220553-21kworker/5:2+mm_percpu_wq23:25:305
2181060995839,15cyclictest2194389-21kworker/5:1-mm_percpu_wq20:53:465
2181060995839,15cyclictest2194389-21kworker/5:1-events_freezable20:44:095
2181060995839,15cyclictest0-21swapper/523:53:225
2181060995839,15cyclictest0-21swapper/520:48:405
2181060995739,14cyclictest2194389-21kworker/5:1+mm_percpu_wq21:21:165
2181060995739,14cyclictest2194389-21kworker/5:1+mm_percpu_wq21:08:445
2181060995739,14cyclictest2194389-21kworker/5:1+mm_percpu_wq21:02:265
2181060995739,14cyclictest2194389-21kworker/5:1-events21:51:135
2181060995739,14cyclictest0-21swapper/521:12:525
2181060995738,15cyclictest0-21swapper/519:16:045
2181055995735,1cyclictest0-21swapper/321:34:323
2181060995638,14cyclictest2224456-21kworker/5:1-events_freezable00:12:405
2181060995638,14cyclictest0-21swapper/520:25:225
2181055995635,1cyclictest0-21swapper/322:23:003
218106099550,40cyclictest0-21swapper/523:10:485
2181060995440,14cyclictest0-21swapper/519:33:205
2181060995439,15cyclictest0-21swapper/521:32:085
2181060995416,36cyclictest0-21swapper/500:04:565
2181060995339,14cyclictest0-21swapper/523:07:545
2181060995339,14cyclictest0-21swapper/519:11:565
2181060995338,15cyclictest0-21swapper/522:08:205
218106099530,51cyclictest0-21swapper/522:35:085
218106099530,39cyclictest0-21swapper/522:20:585
2181066995251,0cyclictest2192148-21kworker/7:0+events23:52:427
2181066995251,0cyclictest2192148-21kworker/7:0+events22:33:367
2181066995250,1cyclictest2192148-21kworker/7:0+events00:32:107
2181066995050,0cyclictest2192148-21kworker/7:0+events20:43:167
2181066995049,1cyclictest2192148-21kworker/7:0+events20:20:357
2181066995049,0cyclictest2192148-21kworker/7:0+events00:21:407
2181066995049,0cyclictest2172244-21kworker/7:2+events19:17:527
2181066994949,0cyclictest2192148-21kworker/7:0+events21:16:247
2181066994949,0cyclictest2192148-21kworker/7:0+events20:58:207
2181066994948,1cyclictest2192148-21kworker/7:0+events22:57:547
2181066994948,0cyclictest2192148-21kworker/7:0+events22:54:507
2181066994948,0cyclictest2192148-21kworker/7:0+events21:46:367
2181066994947,1cyclictest2192148-21kworker/7:0+events22:27:327
2181066994848,0cyclictest2192148-21kworker/7:0+events20:47:467
2181066994848,0cyclictest2192148-21kworker/7:0+events00:04:567
2181066994847,0cyclictest2192148-21kworker/7:0+events21:37:367
2181066994846,1cyclictest2192148-21kworker/7:0+events23:11:367
2181062994847,0cyclictest0-21swapper/623:52:426
2181066994746,0cyclictest2192148-21kworker/7:0+events23:31:207
2181066994746,0cyclictest2187177-21kworker/7:1+events19:56:247
2181062994746,1cyclictest0-21swapper/600:32:106
2181060994740,6cyclictest0-21swapper/520:05:205
2181066994646,0cyclictest2192148-21kworker/7:0+events22:48:487
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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