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2022-07-06 - 07:00

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, slot #2

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 Core i7-3770K @3500 MHz, Linux 5.15.49-rt47 (Profile)

Latency plot of shadow in rack #b, slot #2
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -n -a0-3 -p99 -i200 -h400 -t4 -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 rackbslot2s.osadl.org (updated Wed Jul 06, 2022 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
269096926051,6sleep20-21swapper/219:08:372
268928525949,6sleep30-21swapper/319:04:373
269074925849,6sleep10-21swapper/119:05:311
269077523424,6sleep00-21swapper/019:05:540
269129199280,5cyclictest0-21swapper/322:11:023
269129199210,12cyclictest0-21swapper/320:13:213
269129199210,11cyclictest0-21swapper/320:34:123
269129199200,11cyclictest0-21swapper/323:08:493
269129199190,4cyclictest0-21swapper/322:15:533
269129199190,10cyclictest0-21swapper/319:28:373
269129199185,13cyclictest0-21swapper/319:58:503
269129199180,9cyclictest0-21swapper/319:10:433
269129199180,3cyclictest0-21swapper/320:08:113
269129199180,18cyclictest0-21swapper/320:36:243
269129199173,13cyclictest0-21swapper/300:15:363
2691291991710,7cyclictest0-21swapper/321:53:353
269129199170,8cyclictest0-21swapper/321:05:433
269129199170,16cyclictest0-21swapper/321:39:423
269129199170,16cyclictest0-21swapper/321:19:433
269129199170,16cyclictest0-21swapper/300:09:423
269129199160,7cyclictest0-21swapper/319:24:103
269129199160,15cyclictest0-21swapper/320:46:303
269129199160,15cyclictest0-21swapper/319:18:493
269129199160,15cyclictest0-21swapper/300:34:423
269129199160,1cyclictest0-21swapper/320:24:433
269129199158,7cyclictest0-21swapper/300:23:543
269129199157,7cyclictest0-21swapper/323:40:023
269129199155,9cyclictest0-21swapper/321:39:043
269129199152,13cyclictest0-21swapper/320:22:123
269129199150,6cyclictest0-21swapper/321:54:413
269129199150,6cyclictest0-21swapper/320:59:243
269129199150,5cyclictest0-21swapper/319:36:563
269129199150,14cyclictest0-21swapper/320:41:393
269129199150,14cyclictest0-21swapper/320:41:393
269129199150,14cyclictest0-21swapper/319:50:353
269129199150,1cyclictest0-21swapper/300:26:423
269129199150,1cyclictest0-21swapper/300:03:323
269129199147,7cyclictest0-21swapper/321:46:383
269129199146,8cyclictest0-21swapper/321:11:523
2691291991410,4cyclictest0-21swapper/323:50:203
269128199140,14cyclictest0-21swapper/221:34:382
29335322130,0sleep10-21swapper/100:04:231
269129199136,7cyclictest0-21swapper/322:50:063
269129199136,7cyclictest0-21swapper/322:43:573
2691291991311,1cyclictest0-21swapper/323:09:413
269129199130,13cyclictest0-21swapper/323:54:373
269129199130,1cyclictest0-21swapper/321:30:503
2691281991313,0cyclictest0-21swapper/221:53:142
269128199130,13cyclictest0-21swapper/200:25:222
269128099130,13cyclictest0-21swapper/123:48:281
269128099130,13cyclictest0-21swapper/123:48:281
269128099130,13cyclictest0-21swapper/123:19:551
269128099130,13cyclictest0-21swapper/123:16:081
269128099130,13cyclictest0-21swapper/122:45:521
269128099130,13cyclictest0-21swapper/122:18:361
269128099130,13cyclictest0-21swapper/122:13:521
269128099130,13cyclictest0-21swapper/121:49:071
269128099130,13cyclictest0-21swapper/120:04:351
269128099130,12cyclictest0-21swapper/121:00:391
269128099130,0cyclictest0-21swapper/122:37:591
269128099130,0cyclictest0-21swapper/100:29:181
2691270991313,0cyclictest0-21swapper/000:24:410
269127099130,13cyclictest0-21swapper/021:38:310
2691291991212,0cyclictest0-21swapper/322:22:333
2691291991211,1cyclictest0-21swapper/320:04:233
269129199120,12cyclictest0-21swapper/323:29:333
269129199120,1cyclictest0-21swapper/323:14:423
2691281991212,0cyclictest0-21swapper/223:30:592
2691281991212,0cyclictest0-21swapper/222:16:532
2691281991212,0cyclictest0-21swapper/221:29:542
2691281991212,0cyclictest0-21swapper/200:21:352
269128199120,12cyclictest0-21swapper/200:35:282
269128199120,0cyclictest0-21swapper/222:41:382
2691280991212,0cyclictest0-21swapper/123:12:211
2691280991212,0cyclictest0-21swapper/122:51:421
2691280991212,0cyclictest0-21swapper/121:55:341
2691280991212,0cyclictest0-21swapper/121:42:201
2691280991212,0cyclictest0-21swapper/121:19:381
2691280991212,0cyclictest0-21swapper/120:24:551
269128099120,12cyclictest0-21swapper/120:11:221
269128099120,12cyclictest0-21swapper/119:15:331
269128099120,0cyclictest0-21swapper/123:40:531
2691270991212,0cyclictest0-21swapper/023:50:480
2691270991212,0cyclictest0-21swapper/023:05:230
2691270991212,0cyclictest0-21swapper/019:28:360
2691270991212,0cyclictest0-21swapper/000:36:120
269127099120,12cyclictest0-21swapper/023:12:570
269127099120,12cyclictest0-21swapper/022:50:150
269127099120,12cyclictest0-21swapper/021:47:210
269127099120,12cyclictest0-21swapper/021:42:560
269127099120,12cyclictest0-21swapper/021:13:080
269127099120,12cyclictest0-21swapper/000:10:110
269127099120,0cyclictest0-21swapper/021:17:520
269127099120,0cyclictest0-21swapper/000:22:570
2691291991111,0cyclictest0-21swapper/323:47:033
2691291991111,0cyclictest0-21swapper/323:47:033
2691291991111,0cyclictest0-21swapper/322:37:503
2691291991111,0cyclictest0-21swapper/321:18:413
2691291991110,1cyclictest0-21swapper/323:27:303
2691291991110,1cyclictest0-21swapper/323:20:493
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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