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2022-07-06 - 05:17

OSADL QA Farm on Real-time of Mainline Linux

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

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 i5-1135G7 @2400 MHz, Linux 5.15.21-rt30 (Profile)

Latency plot of shadow in rack #b, slot #8
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackbslot8s (updated Wed Jul 06, 2022 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36758782129114,10sleep20-21swapper/219:06:522
36760482127112,10sleep50-21swapper/519:09:205
36760562123110,8sleep40-21swapper/419:09:274
36757862123109,9sleep60-21swapper/619:05:376
36758212122108,9sleep10-21swapper/119:06:041
36758472120106,9sleep00-21swapper/019:06:270
36758142119105,9sleep30-21swapper/319:05:573
36760792117104,8sleep70-21swapper/719:09:477
3676468991040,100cyclictest0-21swapper/620:30:136
36764689910299,3cyclictest546-21snmpd22:20:506
36764689910299,3cyclictest546-21snmpd20:28:236
36764689910299,3cyclictest546-21snmpd19:25:366
3676459991020,101cyclictest0-21swapper/500:33:165
3676459991020,101cyclictest0-21swapper/500:33:155
3676452991020,100cyclictest0-21swapper/422:00:204
36764489910299,2cyclictest546-21snmpd23:36:403
36764689910198,3cyclictest546-21snmpd21:52:136
3676468991010,100cyclictest0-21swapper/600:15:426
36764599910198,3cyclictest546-21snmpd22:43:335
36764599910198,3cyclictest546-21snmpd22:25:095
3676459991010,99cyclictest0-21swapper/523:14:135
3676459991010,101cyclictest0-21swapper/519:25:005
3676459991010,0cyclictest0-21swapper/523:32:085
36764529910199,2cyclictest3739636-21cat21:10:184
3676452991010,100cyclictest0-21swapper/422:26:394
3676452991010,100cyclictest0-21swapper/421:18:484
36764489910199,2cyclictest546-21snmpd21:46:343
3676443991010,101cyclictest0-21swapper/219:27:352
36764359910199,2cyclictest546-21snmpd22:36:061
36764309910199,2cyclictest546-21snmpd23:44:330
3676430991010,101cyclictest0-21swapper/023:17:530
3676430991010,101cyclictest0-21swapper/022:22:120
3676430991010,100cyclictest0-21swapper/022:58:120
3676430991010,100cyclictest0-21swapper/020:13:200
3676479991000,99cyclictest0-21swapper/723:32:507
3676479991000,99cyclictest0-21swapper/719:57:167
3676479991000,99cyclictest0-21swapper/719:29:307
3676479991000,99cyclictest0-21swapper/700:12:037
3676479991000,100cyclictest0-21swapper/700:30:137
3676479991000,100cyclictest0-21swapper/700:30:137
36764689910099,1cyclictest546-21snmpd23:00:046
36764689910099,1cyclictest546-21snmpd20:21:146
36764689910099,1cyclictest546-21snmpd20:13:016
36764689910099,1cyclictest546-21snmpd19:59:376
36764689910099,1cyclictest546-21snmpd00:08:156
36764689910098,2cyclictest546-21snmpd23:08:266
3676468991000,98cyclictest0-21swapper/623:16:046
3676468991000,100cyclictest0-21swapper/623:50:186
3676468991000,100cyclictest0-21swapper/622:10:576
3676468991000,100cyclictest0-21swapper/621:43:536
3676468991000,100cyclictest0-21swapper/621:29:456
3676468991000,100cyclictest0-21swapper/621:13:346
3676468991000,100cyclictest0-21swapper/621:08:376
36764599910099,1cyclictest546-21snmpd23:22:135
36764599910099,1cyclictest546-21snmpd20:02:135
36764599910099,1cyclictest546-21snmpd00:05:475
36764599910098,2cyclictest546-21snmpd23:59:065
36764599910098,2cyclictest546-21snmpd23:25:385
36764599910098,2cyclictest546-21snmpd19:33:065
36764599910096,4cyclictest546-21snmpd21:46:135
3676459991000,99cyclictest0-21swapper/523:49:085
3676459991000,99cyclictest0-21swapper/522:15:145
3676459991000,100cyclictest0-21swapper/523:35:375
36764529910099,1cyclictest546-21snmpd23:19:524
36764529910099,1cyclictest546-21snmpd20:16:204
3676452991000,99cyclictest0-21swapper/423:44:264
3676452991000,99cyclictest0-21swapper/420:07:284
3676452991000,1cyclictest0-21swapper/400:26:554
36764489910099,1cyclictest546-21snmpd23:59:423
36764489910099,1cyclictest546-21snmpd22:11:203
36764489910099,1cyclictest546-21snmpd19:53:103
36764489910099,1cyclictest546-21snmpd19:46:433
36764489910099,1cyclictest546-21snmpd19:30:563
36764439910099,1cyclictest546-21snmpd23:41:452
36764439910099,1cyclictest546-21snmpd22:48:492
36764439910099,1cyclictest546-21snmpd22:36:362
36764439910099,1cyclictest546-21snmpd22:15:142
36764439910099,1cyclictest546-21snmpd20:58:512
36764439910099,1cyclictest546-21snmpd19:34:142
3676443991000,99cyclictest0-21swapper/220:30:432
3676443991000,99cyclictest0-21swapper/219:21:032
3676443991000,99cyclictest0-21swapper/219:20:002
36764359910099,1cyclictest546-21snmpd23:48:181
36764359910099,1cyclictest546-21snmpd22:26:151
36764359910099,1cyclictest546-21snmpd21:47:501
36764359910099,1cyclictest546-21snmpd20:43:261
36764359910099,1cyclictest546-21snmpd19:41:551
36764359910099,1cyclictest546-21snmpd19:33:351
36764359910099,1cyclictest546-21snmpd00:28:061
36764359910099,1cyclictest546-21snmpd00:18:191
36764359910098,2cyclictest546-21snmpd21:29:131
3676435991000,99cyclictest0-21swapper/123:15:091
3676435991000,99cyclictest0-21swapper/122:53:311
3676435991000,1cyclictest0-21swapper/122:22:391
3676435991000,100cyclictest0-21swapper/123:26:131
3676435991000,100cyclictest0-21swapper/120:20:141
36764309910099,1cyclictest546-21snmpd21:05:300
36764309910099,1cyclictest546-21snmpd20:57:270
36764309910099,1cyclictest546-21snmpd20:54:090
36764309910099,1cyclictest546-21snmpd20:06:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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