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2025-12-01 - 11:48

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, 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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot6s.osadl.org (updated Mon Dec 01, 2025 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
152880499651,48cyclictest32-21ksoftirqd/221:20:012
1528800996351,6cyclictest0-21swapper/021:00:290
152880099631,24cyclictest0-21swapper/019:30:000
1528801995910,11cyclictest1548755-21apt-key21:05:011
1528800995950,4cyclictest0-21swapper/021:20:110
152880099572,24cyclictest15-21rcuc/020:35:020
1528804995447,4cyclictest311ktimers/223:40:012
1528801995416,22cyclictest22-21rcuc/121:10:011
1528804995238,11cyclictest0-21swapper/223:44:592
152880499521,24cyclictest0-21swapper/223:50:002
152880499501,19cyclictest0-21swapper/221:30:022
1528804994932,12cyclictest311ktimers/222:40:162
152880499491,27cyclictest0-21swapper/200:40:012
1528801994934,7cyclictest0-21swapper/100:35:321
1528800994924,19cyclictest21050irq/252-8000000.ethernet00:35:160
1528804994837,5cyclictest0-21swapper/220:50:022
1528804994837,5cyclictest0-21swapper/220:50:022
152880199485,31cyclictest0-21swapper/120:35:011
1528800994840,5cyclictest0-21swapper/019:10:140
1528804994734,9cyclictest0-21swapper/222:10:002
1528800994740,4cyclictest21050irq/252-8000000.ethernet23:20:000
1528800994740,4cyclictest21050irq/252-8000000.ethernet22:40:310
1528801994635,5cyclictest1556327-21grep21:45:301
1528801994634,8cyclictest1540061-21grep20:10:321
1528801994633,9cyclictest0-21swapper/122:10:011
152880099462,9cyclictest0-21swapper/021:15:010
1528804994534,8cyclictest311ktimers/219:40:132
1528804994532,9cyclictest1578406-21sendmail00:00:002
152880499451,29cyclictest0-21swapper/223:25:022
152880499451,29cyclictest0-21swapper/221:45:022
1528801994527,10cyclictest0-21swapper/121:05:291
152880199451,2cyclictest0-21swapper/122:20:011
152880199451,2cyclictest0-21swapper/122:20:011
1528800994536,5cyclictest21250irq/208-8000000.ethernet21:50:260
152880099451,9cyclictest0-21swapper/023:55:020
1528804994435,5cyclictest0-21swapper/220:35:312
1528804994435,4cyclictest0-21swapper/219:20:012
1528804994433,6cyclictest1563950-21grep22:30:302
1528804994432,8cyclictest1539213-21grep20:05:292
1528804994432,8cyclictest1539213-21grep20:05:282
1528801994434,5cyclictest0-21swapper/121:50:281
1528801994428,8cyclictest1575801-21grep23:40:291
1528801994424,15cyclictest231ktimers/120:20:141
1528800994436,4cyclictest21050irq/252-8000000.ethernet21:25:170
1528800994436,4cyclictest21050irq/252-8000000.ethernet20:45:120
1528800994436,4cyclictest21050irq/252-8000000.ethernet20:45:120
1528800994434,4cyclictest21050irq/252-8000000.ethernet19:30:190
1528804994335,5cyclictest1537465-21unixbench_multi19:55:282
1528804994329,9cyclictest1573895-21grep23:30:282
152880499432,34cyclictest1549798-21/usr/sbin/munin21:10:182
1528801994334,6cyclictest1551286-21latency_hist21:20:001
1528801994334,5cyclictest168350irq/126-8000000.ethernet-tx100:24:391
1528800994336,4cyclictest21050irq/252-8000000.ethernet19:55:280
1528800994336,4cyclictest21050irq/252-8000000.ethernet19:15:040
1528800994335,4cyclictest21050irq/252-8000000.ethernet23:25:180
1528800994335,4cyclictest21050irq/252-8000000.ethernet23:20:290
1528800994332,4cyclictest21050irq/252-8000000.ethernet21:05:020
1528800994329,9cyclictest0-21swapper/020:40:300
152880099432,34cyclictest0-21swapper/020:30:010
1528804994235,5cyclictest311ktimers/222:25:152
1528804994232,5cyclictest1541743-21grep20:20:302
1528804994230,5cyclictest0-21swapper/221:30:292
1528804994222,10cyclictest0-21swapper/220:55:302
1528804994222,10cyclictest0-21swapper/220:55:302
1528801994230,8cyclictest0-21swapper/120:35:311
1528801994227,9cyclictest0-21swapper/119:40:221
1528801994222,11cyclictest0-21swapper/120:50:311
1528800994236,3cyclictest21050irq/252-8000000.ethernet20:10:140
1528800994235,4cyclictest21050irq/252-8000000.ethernet23:10:240
1528800994235,4cyclictest21050irq/252-8000000.ethernet22:25:180
1528800994235,4cyclictest21050irq/252-8000000.ethernet20:40:000
1528800994235,4cyclictest21050irq/252-8000000.ethernet00:00:250
1528800994234,4cyclictest21050irq/252-8000000.ethernet23:45:160
1528800994234,4cyclictest21050irq/252-8000000.ethernet19:45:170
1528800994234,4cyclictest21050irq/252-8000000.ethernet00:20:140
1528800994234,4cyclictest21050irq/252-8000000.ethernet00:10:250
1528800994231,4cyclictest21050irq/252-8000000.ethernet21:35:150
152880099422,32cyclictest0-21swapper/019:35:130
152880099422,32cyclictest0-21swapper/019:35:130
1528804994129,7cyclictest311ktimers/221:35:162
1528804994128,9cyclictest0-21swapper/200:10:252
1528801994134,4cyclictest0-21swapper/122:00:301
1528801994133,5cyclictest0-21swapper/120:50:011
1528801994133,5cyclictest0-21swapper/120:50:001
1528801994130,7cyclictest1530673-21grep19:15:301
1528801994129,9cyclictest0-21swapper/123:00:291
1528801994129,5cyclictest0-21swapper/121:35:291
1528801994127,10cyclictest0-21swapper/119:55:271
1528801994123,9cyclictest0-21swapper/123:30:281
1528800994135,4cyclictest0-21swapper/021:55:320
1528800994134,4cyclictest21050irq/252-8000000.ethernet23:05:190
1528800994134,4cyclictest21050irq/252-8000000.ethernet22:45:250
1528800994134,4cyclictest21050irq/252-8000000.ethernet21:35:000
1528800994134,4cyclictest21050irq/252-8000000.ethernet21:15:190
1528800994134,4cyclictest21050irq/252-8000000.ethernet20:20:270
1528800994134,4cyclictest21050irq/252-8000000.ethernet19:40:260
152880099412,36cyclictest0-21swapper/020:05:190
152880099412,36cyclictest0-21swapper/020:05:190
1528800994120,9cyclictest21250irq/208-8000000.ethernet00:30:140
1528804994030,4cyclictest0-21swapper/219:50:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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