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2024-04-26 - 17:51

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 Fri Apr 26, 2024 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
176781499454454,0cyclictest19-1pr/ttyS010:33:507
176781499448445,3cyclictest574863-21snmpd11:03:037
176778899447447,0cyclictest19-1pr/ttyS007:39:430
176779299444442,2cyclictest574863-21snmpd07:33:031
176782199442442,0cyclictest1807874-21kworker/9:2+events08:46:349
176779999442441,1cyclictest1835138-21kworker/3:1+events09:20:223
176779999442441,1cyclictest1832454-21kworker/3:0+events09:13:163
176779999442441,1cyclictest1784158-21kworker/3:1+events09:08:163
176779699441439,2cyclictest1923042-21kworker/2:0+events12:36:442
176782199440439,1cyclictest1901409-21kworker/9:0+pm11:41:049
176782199439438,1cyclictest1763303-21kworker/9:2+events07:54:279
176779999439438,1cyclictest1832454-21kworker/3:0+events09:16:563
176782199438437,1cyclictest1800147-21turbostat08:14:559
176782199435434,1cyclictest1924826-21kworker/9:2+pm12:05:329
176779699433432,1cyclictest1899072-21kworker/2:3+events12:20:202
176781799432432,0cyclictest574863-21snmpd07:54:398
176779699431430,1cyclictest1923042-21kworker/2:0+events12:29:232
176779699430429,1cyclictest1938555-21kworker/2:2+events12:34:122
176782199428427,1cyclictest1925603-21turbostat12:14:559
176782199427426,1cyclictest1819521-21turbostat08:54:569
176782199426424,2cyclictest1856640-21turbostat10:04:559
176778899425424,1cyclictest574863-21snmpd08:54:290
176781199423423,0cyclictest19-1pr/ttyS010:02:506
176779699417415,2cyclictest574863-21snmpd07:20:322
176781799414407,6cyclictest0-21swapper/811:15:228
176781799409406,3cyclictest574863-21snmpd08:41:498
176782199408408,0cyclictest1763303-21kworker/9:2+pm07:30:539
176779999402402,0cyclictest57150irq/143-i91508:43:043
176779999402402,0cyclictest57150irq/143-i91508:22:113
176779999402401,1cyclictest57150irq/143-i91512:12:243
176781499401395,6cyclictest0-21swapper/711:15:227
176779999401401,0cyclictest57150irq/143-i91512:02:093
176779999401401,0cyclictest57150irq/143-i91511:53:133
176779999401401,0cyclictest57150irq/143-i91511:47:513
176779999401401,0cyclictest57150irq/143-i91511:13:553
176779999401401,0cyclictest57150irq/143-i91510:52:583
176779999401401,0cyclictest57150irq/143-i91510:48:183
176779999401401,0cyclictest57150irq/143-i91510:39:103
176779999401401,0cyclictest57150irq/143-i91510:08:153
176779999401401,0cyclictest57150irq/143-i91509:57:523
176779999401401,0cyclictest57150irq/143-i91509:42:183
176779999401401,0cyclictest57150irq/143-i91508:32:533
176779999401401,0cyclictest57150irq/143-i91508:06:593
176779999401401,0cyclictest57150irq/143-i91508:04:223
176779999401401,0cyclictest57150irq/143-i91507:50:543
176779999401401,0cyclictest57150irq/143-i91507:34:173
176779999400400,0cyclictest57150irq/143-i91512:35:413
176779999400400,0cyclictest57150irq/143-i91511:57:553
176779999400400,0cyclictest57150irq/143-i91511:40:533
176779999400400,0cyclictest57150irq/143-i91511:39:043
176779999400400,0cyclictest57150irq/143-i91511:28:173
176779999400400,0cyclictest57150irq/143-i91511:20:463
176779999400400,0cyclictest57150irq/143-i91511:15:433
176779999400400,0cyclictest57150irq/143-i91511:06:273
176779999400400,0cyclictest57150irq/143-i91510:28:133
176779999400400,0cyclictest57150irq/143-i91510:16:043
176779999400400,0cyclictest57150irq/143-i91509:54:163
176779999400400,0cyclictest57150irq/143-i91509:31:273
176779999400400,0cyclictest57150irq/143-i91508:48:243
176779999400400,0cyclictest57150irq/143-i91508:38:333
176779999400400,0cyclictest57150irq/143-i91508:18:593
176779999400400,0cyclictest57150irq/143-i91508:11:283
176779999400400,0cyclictest57150irq/143-i91507:58:243
176779999400400,0cyclictest57150irq/143-i91507:19:033
176779999400399,1cyclictest57150irq/143-i91509:46:053
176782199399399,0cyclictest1917730-21kworker/9:0+pm12:01:399
176782199399397,2cyclictest1906731-21kworker/9:1+events11:35:229
176779999399399,0cyclictest57150irq/143-i91512:16:263
176779999399399,0cyclictest57150irq/143-i91512:09:093
176779999399399,0cyclictest57150irq/143-i91511:34:053
176779999399399,0cyclictest57150irq/143-i91510:10:443
176779999399399,0cyclictest57150irq/143-i91509:29:133
176779999399399,0cyclictest57150irq/143-i91509:01:273
176779999399399,0cyclictest57150irq/143-i91508:53:573
176779999399399,0cyclictest57150irq/143-i91508:26:053
176779999399399,0cyclictest57150irq/143-i91507:38:173
176779999399398,1cyclictest57150irq/143-i91510:31:273
176779999398398,0cyclictest57150irq/143-i91510:59:233
176779999398398,0cyclictest57150irq/143-i91510:44:083
176779999398398,0cyclictest57150irq/143-i91510:24:203
176779999398398,0cyclictest57150irq/143-i91509:37:463
176779999398398,0cyclictest57150irq/143-i91507:40:433
176779999398398,0cyclictest57150irq/143-i91507:23:403
176779999398397,1cyclictest57150irq/143-i91512:30:233
176782199397397,0cyclictest1838067-21kworker/9:1+events09:41:059
176782199397396,1cyclictest1874950-21kworker/9:0+pm10:33:499
176779999397397,0cyclictest57150irq/143-i91512:28:393
176779999397397,0cyclictest57150irq/143-i91510:01:463
176779999397397,0cyclictest57150irq/143-i91508:57:343
176779999397397,0cyclictest57150irq/143-i91508:57:333
176779999397397,0cyclictest57150irq/143-i91507:46:263
176779999397397,0cyclictest57150irq/143-i91507:26:353
176779999396396,0cyclictest57150irq/143-i91511:04:183
176779999396395,1cyclictest57150irq/143-i91507:13:383
176779999393393,0cyclictest57150irq/143-i91512:24:243
176778899393391,2cyclictest574863-21snmpd11:41:040
176782199391389,2cyclictest1883167-21turbostat10:54:569
176782199388387,1cyclictest1864524-21kworker/9:1+events10:15:219
176782199385385,0cyclictest1824541-21kworker/9:0+events09:29:359
176782199384384,0cyclictest1885673-21kworker/9:1+pm11:00:539
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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