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2023-01-29 - 16:42

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #5, slot #4

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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  Intel

x86 Intel Core i7-E610 @2530 MHz, Linux 5.4.17-rt9 (Profile)

Latency plot of shadow in rack #5, slot #4
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -n -a -t3 -p99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4s.osadl.org (updated Sun Jan 29, 2023 12:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1772899139132,7cyclictest0-21swapper/007:10:470
1774199135134,1cyclictest0-21swapper/207:10:472
1773699118113,3cyclictest0-21swapper/107:10:471
17262211197,11sleep20-21swapper/207:06:082
17420210898,7sleep10-21swapper/107:08:111
1722329032,54sleep00-21swapper/007:05:380
192872800,0sleep30-21swapper/307:10:253
73132780,0sleep10-21swapper/110:20:241
283632770,1sleep10-21swapper/110:15:201
306372720,0sleep30-21swapper/311:18:403
166752700,0sleep30-21swapper/309:00:253
74312690,0sleep0101rcuc/009:49:020
261362690,0sleep30-21swapper/311:47:293
1773699320,30cyclictest0-21swapper/110:30:181
92982270,0sleep30-21swapper/312:25:353
17736992616,8cyclictest21-21ksoftirqd/111:06:591
182342240,0sleep30-21swapper/309:54:343
39872220,0sleep20-21swapper/212:25:062
285292220,0sleep20-21swapper/210:15:212
275972220,1sleep2271rcuc/208:15:182
1772899215,11cyclictest111rcu_preempt09:15:140
1772899203,12cyclictest111rcu_preempt09:00:170
174132200,0sleep30-21swapper/311:43:563
1773699198,6cyclictest0-21swapper/109:28:491
17736991912,5cyclictest21-21ksoftirqd/110:14:071
1772899190,17cyclictest538-21systemd-logind12:25:330
1772899190,17cyclictest352-21systemd-journal10:50:000
1772899190,17cyclictest352-21systemd-journal10:50:000
1772899190,14cyclictest10659-21sh10:37:020
1772899190,14cyclictest10659-21sh10:37:020
1773699187,5cyclictest0-21swapper/110:36:391
1773699187,5cyclictest0-21swapper/110:36:391
1773699180,1cyclictest0-21swapper/112:15:161
1773699180,16cyclictest352-21systemd-journal11:36:281
1772899185,6cyclictest0-21swapper/012:38:020
1772899180,16cyclictest0-21swapper/008:05:160
90002170,0sleep30-21swapper/310:51:243
1774199170,16cyclictest352-21systemd-journal10:54:292
1774199170,16cyclictest352-21systemd-journal10:02:572
1774199170,15cyclictest352-21systemd-journal11:23:402
1773699174,8cyclictest2923-21ps08:20:231
17736991714,2cyclictest21-21ksoftirqd/112:05:041
1773699170,1cyclictest0-21swapper/109:20:161
1773699170,16cyclictest0-21swapper/108:05:161
1773699170,15cyclictest352-21systemd-journal12:31:401
1773699170,15cyclictest352-21systemd-journal11:18:581
1773699170,15cyclictest352-21systemd-journal10:46:401
1773699170,15cyclictest352-21systemd-journal10:46:401
1773699170,15cyclictest352-21systemd-journal10:40:031
1772899174,8cyclictest0-21swapper/009:57:010
1772899174,6cyclictest0-21swapper/012:05:430
1772899174,6cyclictest0-21swapper/011:15:210
1772899170,15cyclictest538-21systemd-logind10:40:010
1772899170,15cyclictest352-21systemd-journal07:37:270
1774199160,15cyclictest352-21systemd-journal11:35:282
1774199160,15cyclictest352-21systemd-journal10:05:002
1774199160,15cyclictest352-21systemd-journal09:20:572
1774199160,15cyclictest352-21systemd-journal08:34:552
1774199160,15cyclictest352-21systemd-journal07:29:272
1773699169,6cyclictest0-21swapper/109:37:441
1773699168,6cyclictest3875-21irqcore10:50:221
1773699165,6cyclictest0-21swapper/111:30:231
1773699165,6cyclictest0-21swapper/109:03:171
1773699165,6cyclictest0-21swapper/107:24:501
1773699164,6cyclictest0-21swapper/109:47:521
1773699163,8cyclictest7139-21kthreadcore07:55:251
1773699163,8cyclictest0-21swapper/108:30:311
1773699162,9cyclictest25332-21ssh09:56:301
1773699162,9cyclictest0-21swapper/111:50:221
1773699160,11cyclictest112-21kswapd011:10:301
1772899166,9cyclictest0-21swapper/009:35:210
1772899165,6cyclictest0-21swapper/012:30:290
1772899165,6cyclictest0-21swapper/012:04:040
1772899165,6cyclictest0-21swapper/011:45:130
1772899165,6cyclictest0-21swapper/011:41:370
1772899165,6cyclictest0-21swapper/011:20:250
1772899165,6cyclictest0-21swapper/007:46:320
1772899165,6cyclictest0-21swapper/007:40:330
1772899164,8cyclictest28144-21ntp_states11:00:290
1772899163,8cyclictest32750-21perl07:50:180
1772899163,6cyclictest0-21swapper/008:15:520
1772899162,9cyclictest0-21swapper/010:05:490
1772899162,11cyclictest14607-21sed07:30:330
1772899161,10cyclictest0-21swapper/008:37:440
1774199150,14cyclictest352-21systemd-journal10:40:302
1774199150,14cyclictest352-21systemd-journal07:52:572
1773699154,6cyclictest28417-21memory09:10:261
1773699154,6cyclictest28246-21ps08:15:221
1773699154,6cyclictest12628-21ssh12:12:151
1773699154,6cyclictest12551-21ssh10:05:391
1773699154,6cyclictest0-21swapper/111:43:251
1773699154,6cyclictest0-21swapper/111:20:221
1773699154,6cyclictest0-21swapper/111:00:061
1773699154,6cyclictest0-21swapper/110:25:301
1773699154,6cyclictest0-21swapper/108:55:131
1773699154,6cyclictest0-21swapper/108:35:221
1773699154,6cyclictest0-21swapper/108:26:131
1773699154,6cyclictest0-21swapper/108:26:131
1773699154,6cyclictest0-21swapper/107:35:181
1773699152,6cyclictest0-21swapper/110:55:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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