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2022-07-02 - 19:43

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #1

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 
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x86 Intel Xeon E3-1230 V2 @3300 MHz, Linux 3.18.36-rt37 (Profile)

Latency plot of shadow in rack #0, slot #1
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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, Linux 4.9.20-rt16, x86_64 highest latencies:
System rack0slot1s.osadl.org (updated Sat Jul 02, 2022 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2661199133132,1cyclictest0-21swapper/307:12:283
2659499131128,2cyclictest0-21swapper/110:23:501
26636991290,128cyclictest0-21swapper/711:34:507
2662999129127,1cyclictest0-21swapper/610:40:496
26611991290,128cyclictest0-21swapper/311:42:503
26611991290,128cyclictest0-21swapper/311:42:503
2660399129128,1cyclictest0-21swapper/208:13:272
2662399128127,1cyclictest0-21swapper/512:30:285
2659099128127,1cyclictest0-21swapper/009:50:280
26590991280,127cyclictest0-21swapper/009:21:500
26636991270,126cyclictest0-21swapper/711:29:567
2662399125124,1cyclictest0-21swapper/512:37:375
2662399125124,1cyclictest0-21swapper/510:30:285
2660399125124,0cyclictest29-21ksoftirqd/211:45:002
2660399125124,0cyclictest29-21ksoftirqd/211:45:002
26616991240,123cyclictest0-21swapper/409:18:504
2661199124121,3cyclictest37-21ksoftirqd/312:15:053
2663699123123,0cyclictest157150irq/36-eth1-rx-11:37:517
2663699123123,0cyclictest157150irq/36-eth1-rx-11:37:517
2662399123122,1cyclictest157150irq/36-eth1-rx-07:43:285
2661199123122,1cyclictest0-21swapper/310:55:283
2661199123122,0cyclictest157150irq/36-eth1-rx-11:28:503
2659499123123,0cyclictest157150irq/36-eth1-rx-12:39:131
2659499123123,0cyclictest157150irq/36-eth1-rx-10:11:511
2662999122122,0cyclictest157150irq/36-eth1-rx-08:38:296
2662999122122,0cyclictest157150irq/36-eth1-rx-08:03:286
2659499122120,1cyclictest0-21swapper/112:25:271
2662999121120,1cyclictest0-21swapper/612:15:066
2662999121118,2cyclictest0-21swapper/609:24:586
2660399120120,0cyclictest157150irq/36-eth1-rx-07:56:272
2662399119118,1cyclictest0-21swapper/510:26:285
2663699118117,1cyclictest0-21swapper/710:45:287
2662399118118,0cyclictest157150irq/36-eth1-rx-12:28:505
2661699118117,1cyclictest0-21swapper/409:25:284
2659499118116,1cyclictest0-21swapper/112:13:271
2659099118116,2cyclictest0-21swapper/009:09:500
26629991170,116cyclictest0-21swapper/608:45:286
2661699117116,1cyclictest0-21swapper/409:12:284
2661199117116,0cyclictest157150irq/36-eth1-rx-11:21:513
2660399117116,1cyclictest0-21swapper/207:54:272
2659499117117,0cyclictest157150irq/36-eth1-rx-07:38:281
2662999116115,1cyclictest157150irq/36-eth1-rx-08:27:286
2663699115112,2cyclictest0-21swapper/710:51:287
2662999115114,1cyclictest0-21swapper/608:51:506
26629991150,114cyclictest0-21swapper/608:15:276
2661199115114,1cyclictest0-21swapper/310:51:503
2659499115113,1cyclictest0-21swapper/112:23:271
2662999114114,0cyclictest157150irq/36-eth1-rx-08:22:286
2661699114113,1cyclictest0-21swapper/409:33:504
2662999113111,1cyclictest0-21swapper/608:12:276
2662399113112,1cyclictest0-21swapper/508:55:295
2661699113112,1cyclictest0-21swapper/409:36:274
2661199113112,1cyclictest0-21swapper/311:30:273
2661699112111,1cyclictest0-21swapper/407:24:234
2661699112111,1cyclictest0-21swapper/407:24:234
2661199112112,0cyclictest37-21ksoftirqd/308:59:313
2663699111109,1cyclictest0-21swapper/710:20:087
2662999111109,1cyclictest0-21swapper/607:55:276
2662399111111,0cyclictest157150irq/36-eth1-rx-07:38:325
2662399111109,2cyclictest157150irq/36-eth1-rx-10:40:275
2661199111111,0cyclictest157150irq/36-eth1-rx-07:17:273
2660399110107,2cyclictest0-21swapper/208:46:512
2659099110108,2cyclictest0-21swapper/008:59:270
2663699109108,1cyclictest0-21swapper/710:56:287
2663699109106,2cyclictest0-21swapper/711:01:287
2659099109109,0cyclictest157150irq/36-eth1-rx-09:43:280
2659099109108,1cyclictest0-21swapper/009:02:270
2659099109108,0cyclictest157150irq/36-eth1-rx-12:05:500
2663699108108,0cyclictest157150irq/36-eth1-rx-11:40:507
2663699108108,0cyclictest157150irq/36-eth1-rx-11:40:507
2662399108107,1cyclictest0-21swapper/510:17:285
2662399108107,1cyclictest0-21swapper/507:33:275
2660399108107,1cyclictest0-21swapper/208:43:282
2660399108107,1cyclictest0-21swapper/208:08:502
2661199107107,0cyclictest157150irq/36-eth1-rx-07:28:283
2661199107107,0cyclictest157150irq/36-eth1-rx-07:28:283
2659499107107,0cyclictest157150irq/36-eth1-rx-10:08:281
2662399106104,1cyclictest0-21swapper/509:54:415
2661699105104,0cyclictest157150irq/36-eth1-rx-09:57:284
2659499105102,2cyclictest0-21swapper/107:42:281
2661699104103,1cyclictest0-21swapper/409:53:274
2661199104103,0cyclictest157150irq/36-eth1-rx-11:58:283
2659099104103,0cyclictest157150irq/36-eth1-rx-09:38:270
2661699102102,0cyclictest157150irq/36-eth1-rx-09:41:284
266119910199,1cyclictest0-21swapper/311:03:513
2661699100100,0cyclictest157150irq/36-eth1-rx-10:39:284
2659499100100,0cyclictest157150irq/36-eth1-rx-09:19:281
265909910099,1cyclictest0-21swapper/009:10:500
26616999998,1cyclictest0-21swapper/409:48:494
26616999998,0cyclictest157150irq/36-eth1-rx-08:58:274
26611999999,0cyclictest157150irq/36-eth1-rx-10:46:513
26594999996,3cyclictest21-21ksoftirqd/108:49:281
26636999898,0cyclictest157150irq/36-eth1-rx-11:13:287
26623999897,1cyclictest0-21swapper/510:05:515
26611999897,1cyclictest0-21swapper/311:06:503
26636999796,1cyclictest0-21swapper/711:46:277
26616999797,0cyclictest157150irq/36-eth1-rx-09:04:274
26594999795,2cyclictest0-21swapper/110:25:281
26590999797,0cyclictest157150irq/36-eth1-rx-09:57:490
26636999694,1cyclictest0-21swapper/711:06:287
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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