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2024-07-27 - 14:18

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, 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 - 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 rack0slot2s.osadl.org (updated Sat Jul 27, 2024 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31768899452452,0cyclictest574863-21snmpd09:28:528
31768099452452,0cyclictest0-21swapper/612:37:066
31768399451451,0cyclictest574863-21snmpd10:49:127
31769099447446,1cyclictest328698-21kworker/9:1+events08:07:329
31769099444441,3cyclictest349995-21turbostat08:14:559
31769099442441,1cyclictest485023-21kworker/9:0+events12:32:319
31769099442440,2cyclictest336739-21turbostat07:49:569
31769099440439,1cyclictest434784-21turbostat10:54:559
31769099440439,1cyclictest309232-21kworker/9:1+pm07:13:059
31769099440438,2cyclictest397687-21turbostat09:44:559
31769099436434,2cyclictest455981-21turbostat11:34:559
31765899435434,1cyclictest574863-21snmpd11:51:380
31766599433433,0cyclictest19-1pr/ttyS008:07:322
31769099432432,0cyclictest431883-21kworker/9:2+pm10:49:139
31769099432431,1cyclictest384379-21kworker/9:0+events09:15:319
31769099431428,3cyclictest320179-21turbostat07:19:579
31769099430429,1cyclictest370956-21kworker/9:1+events08:47:329
31769099428427,1cyclictest445388-21turbostat11:14:559
31769099428427,1cyclictest445388-21turbostat11:14:559
31769099427426,1cyclictest469807-21kworker/9:1+events12:14:069
31769099427426,1cyclictest458290-21kworker/9:0+pm11:43:569
31769099427426,1cyclictest368281-21kworker/9:0+events08:42:549
31769099427426,1cyclictest358403-21kworker/9:2+events09:00:219
31769099426425,1cyclictest358403-21kworker/9:2+events08:59:169
31769099426424,2cyclictest458290-21kworker/9:0+pm11:51:189
31769099425424,1cyclictest410824-21kworker/9:1+events10:11:489
31769099425424,1cyclictest408125-21kworker/9:2+events10:01:069
31769099424423,1cyclictest395035-21turbostat09:39:559
31769099424421,3cyclictest371185-21turbostat08:54:559
31769099423423,0cyclictest431883-21kworker/9:2+pm11:48:389
31769099423422,1cyclictest384379-21kworker/9:0+events09:25:229
31769099423422,1cyclictest358403-21kworker/9:2+events08:30:229
31769099423422,1cyclictest317996-21kworker/9:2+events07:24:409
31768899420417,3cyclictest574863-21snmpd07:13:058
31769099419419,0cyclictest469807-21kworker/9:1+events12:03:379
31769099419418,1cyclictest402767-21kworker/9:0+events10:40:229
31769099417415,2cyclictest475054-21kworker/9:0+events12:15:239
31768399416415,1cyclictest574863-21snmpd08:42:247
31769099415414,1cyclictest402767-21kworker/9:0+events10:06:489
31769099415414,1cyclictest358403-21kworker/9:2+events08:35:219
31769099414413,1cyclictest469807-21kworker/9:1+events12:05:219
31769099414413,1cyclictest431883-21kworker/9:2+pm10:56:519
31769099414413,1cyclictest352578-21kworker/9:0+events08:20:209
31769099414412,2cyclictest355264-21kworker/9:1+events08:25:239
31768399414413,1cyclictest371046-21kworker/7:0+events11:00:237
31769099413412,1cyclictest431883-21kworker/9:2+events11:35:239
31769099413412,1cyclictest387057-21kworker/9:1+events09:20:209
31769099412411,1cyclictest469807-21kworker/9:1+events12:20:239
31769099412411,1cyclictest402767-21kworker/9:0+events10:20:219
31769099412411,1cyclictest402767-21kworker/9:0+events10:15:239
31769099412411,1cyclictest338564-21kworker/9:0+events07:55:229
31769099412410,2cyclictest423710-21kworker/9:2+events10:35:239
31768399411410,1cyclictest371046-21kworker/7:0+events11:07:397
31769099410409,1cyclictest446454-21kworker/9:0+events11:15:439
31769099410409,1cyclictest328698-21kworker/9:1+events07:51:469
31769099409408,1cyclictest487708-21kworker/9:2+events12:35:209
31769099409408,1cyclictest431883-21kworker/9:2+events11:25:219
31768399409409,0cyclictest19-1pr/ttyS012:32:317
31769099408407,1cyclictest469807-21kworker/9:1+events11:57:109
31769099408407,1cyclictest446454-21kworker/9:0+events11:20:239
31769099408407,1cyclictest402767-21kworker/9:0+events09:47:419
31769099408407,1cyclictest381697-21kworker/9:1+events09:12:379
31769099407406,1cyclictest402767-21kworker/9:0+events10:33:179
31769099407406,1cyclictest402767-21kworker/9:0+events09:55:229
31769099407406,1cyclictest384379-21kworker/9:0+events09:33:439
31769099407406,1cyclictest326046-21kworker/9:0+events07:32:129
31765899407406,1cyclictest574863-21snmpd10:56:300
31769099406405,1cyclictest402767-21kworker/9:0+events10:25:219
31769099406405,1cyclictest402767-21kworker/9:0+events09:52:119
31769099406405,1cyclictest379021-21kworker/9:0+events09:08:379
31769099406405,1cyclictest349895-21kworker/9:2+events08:15:209
31769099406405,1cyclictest326046-21kworker/9:0+events07:35:239
31769099406405,1cyclictest317996-21kworker/9:2+events07:28:419
31766299406404,2cyclictest574863-21snmpd12:14:381
31769099405404,1cyclictest328698-21kworker/9:1+events08:02:109
31766299405405,0cyclictest574863-21snmpd11:43:561
31769099404403,1cyclictest469807-21kworker/9:1+events12:25:449
31766999398397,1cyclictest331441-21turbostat07:39:563
31766999396396,0cyclictest57150irq/143-i91507:12:323
31769099395394,1cyclictest442738-21turbostat11:09:559
31766999392392,0cyclictest57150irq/143-i91507:15:233
31766299392391,1cyclictest574863-21snmpd11:46:501
31766999390389,1cyclictest57150irq/143-i91510:57:243
31766999390389,1cyclictest57150irq/143-i91508:13:423
31766999389389,0cyclictest57150irq/143-i91512:21:403
31766999389389,0cyclictest57150irq/143-i91510:32:333
31766999389388,1cyclictest57150irq/143-i91512:29:273
31766999389388,1cyclictest57150irq/143-i91511:51:063
31766999389388,1cyclictest57150irq/143-i91511:03:433
31766999389388,1cyclictest57150irq/143-i91510:51:073
31766999389388,1cyclictest57150irq/143-i91510:09:203
31766999389388,1cyclictest57150irq/143-i91509:57:023
31766999389388,1cyclictest57150irq/143-i91509:41:253
31766999389388,1cyclictest57150irq/143-i91509:23:303
31766999389388,1cyclictest57150irq/143-i91509:18:263
31766999389388,1cyclictest57150irq/143-i91508:51:383
31766999389388,1cyclictest57150irq/143-i91508:41:053
31766999389388,1cyclictest57150irq/143-i91508:39:063
31766999389388,1cyclictest57150irq/143-i91507:51:043
31766999389388,1cyclictest57150irq/143-i91507:26:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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