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2025-03-18 - 15:51

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #6

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 rack0slot6s.osadl.org (updated Tue Mar 18, 2025 00:46:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
236559521010,0sleep00-21swapper/023:32:040
24167512960,0sleep00-21swapper/000:24:090
209799699766,30cyclictest0-21swapper/1321:57:235
22524372530,0sleep80-21swapper/821:34:4218
209798599508,34cyclictest0-21swapper/922:50:1219
509720470,44data-loop.00-21swapper/119:05:391
22462262460,0sleep60-21swapper/621:27:5916
21257042460,0sleep10-21swapper/119:32:041
2097962994620,26cyclictest0-21swapper/223:50:0212
2097962994620,26cyclictest0-21swapper/223:50:0112
2097996994541,3cyclictest2271315-40tracker-miner-f21:53:435
209800399441,41cyclictest1476989-21CPU7
2097962994444,0cyclictest0-21swapper/221:55:3712
21367872430,0sleep70-21swapper/719:41:5117
209800399430,40cyclictest0-21swapper/1521:06:407
209800399430,37cyclictest2102592-40tracker-miner-f19:13:597
2097996994342,0cyclictest0-21swapper/1319:49:295
209798599434,38cyclictest0-21swapper/921:46:1619
2097985994337,5cyclictest0-21swapper/919:29:5919
508920420,40data-loop.00-21swapper/419:05:3814
209798599428,32cyclictest0-21swapper/921:06:4019
508920410,37data-loop.00-21swapper/1419:05:386
209800899416,31cyclictest0-21swapper/1722:50:129
2098008994137,4cyclictest0-21swapper/1719:29:599
209798799410,40cyclictest2424643-40tracker-miner-f00:33:592
2097975994120,17cyclictest1152033-21CPU16
209715724136,3sleep190-21swapper/1919:09:0111
158998410,38rtkit-daemon0-21swapper/519:08:1915
209800899402,38cyclictest0-21swapper/1721:46:169
2097996994038,1cyclictest0-21swapper/1319:58:545
2097996994037,2cyclictest2196304-40tracker-miner-f20:38:595
2097962994032,6cyclictest44-21ksoftirqd/223:27:5912
209602524035,3sleep150-21swapper/1519:05:577
209800899399,24cyclictest0-21swapper/1719:19:599
209800399395,21cyclictest1152033-21CPU7
209796299392,35cyclictest2266180-21nping21:49:2512
209636223934,3sleep70-21swapper/719:06:4917
209287223931,5sleep130-21swapper/1319:05:135
2098008993811,24cyclictest0-21swapper/1719:55:089
209800399381,26cyclictest1152034-21CPU7
2097996993836,1cyclictest0-21swapper/1319:19:595
2097996993835,0cyclictest0-21swapper/1300:05:595
2097965993837,1cyclictest0-21swapper/321:55:3513
2097962993834,1cyclictest0-21swapper/219:13:5912
2097962993828,8cyclictest1476984-21CPU12
2097962993815,9cyclictest44-21ksoftirqd/219:38:1212
179999380,31ntpd0-21swapper/1019:05:222
2097993993729,7cyclictest168550irq/149-eno122:39:424
2097993993729,7cyclictest168550irq/149-eno122:26:024
2097993993728,7cyclictest168550irq/149-eno100:21:084
2097993993728,0cyclictest0-21swapper/1222:54:424
209798599370,36cyclictest0-21swapper/900:28:0119
209798299377,29cyclictest941irq_work/819:40:1218
2097979993733,4cyclictest2391116-40tracker-miner-f23:58:4117
2097979993733,4cyclictest2391116-40tracker-miner-f23:58:4017
2097972993721,12cyclictest2115133-40tracker-miner-f19:23:5915
209796599370,36cyclictest0-21swapper/319:26:4313
2097962993737,0cyclictest0-21swapper/222:40:5912
2097962993736,1cyclictest0-21swapper/219:34:2612
209619423732,3sleep20-21swapper/219:06:2412
209599223734,2sleep90-21swapper/919:05:5119
209595523731,4sleep30-21swapper/319:05:4513
2098014993632,3cyclictest898866-21Server23:26:4511
209801499360,35cyclictest1601463-21thunderbird22:08:0211
209801499360,35cyclictest0-21swapper/1922:34:0311
209801499360,35cyclictest0-21swapper/1919:16:0311
209801299360,35cyclictest0-21swapper/1822:26:1910
209800899363,33cyclictest0-21swapper/1720:38:149
209800899363,32cyclictest0-21swapper/1720:10:249
209800899360,35cyclictest0-21swapper/1700:17:289
209800399363,23cyclictest1152033-21CPU7
2097996993635,1cyclictest2379121-40tracker-miner-f23:46:595
2097996993633,2cyclictest2136324-40tracker-miner-f19:40:585
2097993993635,1cyclictest168550irq/149-eno121:55:354
2097993993632,3cyclictest168550irq/149-eno122:33:174
2097993993630,6cyclictest168550irq/149-eno120:24:314
2097993993630,5cyclictest168550irq/149-eno122:15:234
2097993993629,6cyclictest168550irq/149-eno122:41:124
2097993993628,8cyclictest168550irq/149-eno119:25:284
2097993993628,7cyclictest168550irq/149-eno120:46:124
2097993993628,7cyclictest168550irq/149-eno120:46:124
2097993993628,7cyclictest168550irq/149-eno100:31:094
2097993993628,7cyclictest168550irq/149-eno100:26:164
2097993993628,3cyclictest168550irq/149-eno122:04:304
2097993993628,1cyclictest168550irq/149-eno100:37:194
2097993993627,1cyclictest168550irq/149-eno123:08:304
209798299360,35cyclictest2359753-40tracker-miner-f23:26:4518
209798299360,0cyclictest0-21swapper/821:19:1018
2097960993634,1cyclictest0-21swapper/119:49:281
209673923629,4sleep110-21swapper/1119:07:533
209584523631,3sleep60-21swapper/619:05:2816
209801499350,35cyclictest0-21swapper/1923:16:4211
209801499350,34cyclictest2131150-21chk_conn_tcp19:36:4311
209801499350,34cyclictest1601463-21thunderbird21:09:4911
209801499350,34cyclictest1601463-21thunderbird00:00:2411
209801499350,0cyclictest0-21swapper/1920:27:1211
209800699350,34cyclictest2028558-21virt-manager20:22:588
209800399350,34cyclictest2351501-40tracker-miner-f23:16:437
209800399350,32cyclictest0-21swapper/1500:20:087
209800399350,28cyclictest0-21swapper/1519:58:597
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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