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2026-05-02 - 12:56

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 792 highest latencies:
System rackeslot6s.osadl.org (updated Sat May 02, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13380799991,10cyclictest133801-21cyclictest22:40:190
133807997223,35cyclictest131ktimers/000:20:190
133807996148,9cyclictest133819-21latency_hist19:10:010
133807996148,9cyclictest133819-21latency_hist19:10:010
133810995729,16cyclictest0-21swapper/120:15:011
133807995334,16cyclictest167350irq/118-8000000.ethernet-tx021:35:280
133807995334,16cyclictest167350irq/118-8000000.ethernet-tx021:35:280
133807995241,7cyclictest0-21swapper/023:50:270
133807995241,7cyclictest0-21swapper/023:50:270
133807995239,10cyclictest0-21swapper/022:15:270
133807995137,8cyclictest0-21swapper/021:25:000
133810994836,8cyclictest163130-21unixbench_singl21:55:271
133807994827,19cyclictest149908-21/usr/sbin/munin20:40:220
133813994737,5cyclictest0-21swapper/200:10:012
133810994739,5cyclictest189732-21munin-plugin-st00:35:001
133813994634,8cyclictest0-21swapper/219:55:012
133813994634,8cyclictest0-21swapper/219:55:002
133810994631,8cyclictest0-21swapper/100:20:291
133807994638,4cyclictest167350irq/118-8000000.ethernet-tx019:15:180
133807994633,10cyclictest0-21swapper/000:20:010
133807994624,19cyclictest20650irq/252-8000000.ethernet23:40:170
133807994618,14cyclictest131ktimers/022:10:000
133813994536,5cyclictest0-21swapper/222:35:002
133813994531,9cyclictest0-21swapper/223:25:282
133813994531,8cyclictest135925-21cat19:20:022
13381099456,33cyclictest0-21swapper/120:15:111
13381099456,33cyclictest0-21swapper/120:15:101
133810994535,6cyclictest0-21swapper/120:40:321
133810994533,9cyclictest0-21swapper/121:45:001
133810994533,8cyclictest0-21swapper/119:15:271
133810994530,10cyclictest0-21swapper/122:55:301
133810994530,10cyclictest0-21swapper/122:55:301
133807994538,4cyclictest167350irq/118-8000000.ethernet-tx020:10:160
133807994537,5cyclictest0-21swapper/020:25:010
133807994536,5cyclictest0-21swapper/019:15:010
133813994434,5cyclictest0-21swapper/223:30:282
133813994427,10cyclictest0-21swapper/221:55:272
133810994435,5cyclictest167450irq/126-8000000.ethernet-tx120:55:191
133810994434,6cyclictest0-21swapper/120:05:291
133810994434,5cyclictest0-21swapper/122:25:281
133810994433,6cyclictest164762-21grep22:05:281
133810994433,6cyclictest0-21swapper/123:15:291
133810994433,5cyclictest0-21swapper/122:10:281
133810994429,8cyclictest0-21swapper/100:00:291
133807994435,6cyclictest0-21swapper/020:05:050
133807994431,8cyclictest179213-21/usr/sbin/munin23:30:270
133813994327,10cyclictest0-21swapper/221:25:012
13381399431,38cyclictest0-21swapper/200:30:022
133810994330,9cyclictest0-21swapper/122:30:281
133810994327,11cyclictest0-21swapper/120:35:001
13381099432,34cyclictest0-21swapper/123:25:241
133807994336,4cyclictest167350irq/118-8000000.ethernet-tx021:15:170
133807994334,5cyclictest0-21swapper/023:00:290
133807994331,8cyclictest0-21swapper/000:10:010
13380799432,6cyclictest138692-21df19:35:160
133813994227,9cyclictest0-21swapper/220:45:292
133810994233,5cyclictest146976-21munin-plugin-st20:24:591
133810994230,7cyclictest0-21swapper/122:50:261
13381099422,9cyclictest143680-21cat20:05:021
13381099422,9cyclictest143680-21cat20:05:021
133807994236,2cyclictest0-21swapper/022:55:230
133807994236,2cyclictest0-21swapper/022:55:230
133807994234,5cyclictest167350irq/118-8000000.ethernet-tx000:30:280
133807994233,5cyclictest0-21swapper/022:35:020
133807994232,7cyclictest161400-21grep21:45:280
133807994232,6cyclictest184426-21grep00:00:290
133807994232,6cyclictest163127-21grep21:55:280
133813994132,5cyclictest0-21swapper/222:05:282
133813994129,8cyclictest0-21swapper/200:30:282
133810994127,7cyclictest0-21swapper/123:35:261
133810994124,7cyclictest0-21swapper/123:05:191
133807994135,3cyclictest146127-21sendmail20:20:010
133807994135,3cyclictest146127-21sendmail20:20:010
133807994135,2cyclictest0-21swapper/022:00:270
133807994132,5cyclictest0-21swapper/021:30:260
133807994125,14cyclictest0-21swapper/019:30:160
13380799411,38cyclictest0-21swapper/022:50:280
133813994030,4cyclictest0-21swapper/221:15:262
133813994026,10cyclictest0-21swapper/219:15:022
133810994030,7cyclictest166456-21grep22:15:281
133810994030,5cyclictest0-21swapper/122:45:171
133810994027,7cyclictest0-21swapper/119:55:191
133810994026,9cyclictest0-21swapper/120:30:011
133810994025,9cyclictest0-21swapper/121:25:281
13381099402,32cyclictest0-21swapper/123:10:241
133810994022,11cyclictest274-21systemd-journal00:40:001
133807994033,4cyclictest0-21swapper/022:35:190
13380799401,4cyclictest152709-21meminfo20:55:250
13380799401,37cyclictest0-21swapper/022:50:010
13380799401,37cyclictest0-21swapper/022:25:110
133813993932,4cyclictest175944-21munin-plugin-st23:15:002
133813993930,6cyclictest173321-21grep22:55:302
133813993930,6cyclictest173321-21grep22:55:302
133813993930,5cyclictest0-21swapper/220:40:012
133813993929,5cyclictest0-21swapper/223:20:002
133813993924,5cyclictest0-21swapper/219:20:252
13381399391,3cyclictest0-21swapper/223:40:022
133810993934,2cyclictest250-21jbd2/mmcblk1p2-821:50:291
133810993933,3cyclictest156436-21sendmail21:19:591
133810993930,5cyclictest0-21swapper/119:35:291
133810993928,8cyclictest170025-21sendmail22:40:001
133810993928,8cyclictest0-21swapper/120:35:261
133810993928,6cyclictest0-21swapper/121:20:281
133810993927,8cyclictest0-21swapper/121:05:271
133810993925,8cyclictest134591-21grep19:10:281
133807993933,4cyclictest0-21swapper/000:00:010
133807993933,3cyclictest167350irq/118-8000000.ethernet-tx020:45:120
133807993932,4cyclictest0-21swapper/020:25:020
133807993929,7cyclictest0-21swapper/023:30:010
13380799391,3cyclictest185320-21apt-get00:10:050
13380799391,3cyclictest157493-21apt-get21:25:110
13380799391,36cyclictest0-21swapper/020:00:170
13380799391,36cyclictest0-21swapper/020:00:170
133813993828,6cyclictest0-21swapper/222:45:272
133813993828,6cyclictest0-21swapper/220:10:272
133810993829,5cyclictest0-21swapper/123:45:291
133810993827,8cyclictest0-21swapper/119:50:251
133810993827,8cyclictest0-21swapper/119:50:251
133810993825,9cyclictest0-21swapper/100:05:341
133810993825,8cyclictest231ktimers/119:45:151
13381099381,31cyclictest136952-21/usr/sbin/munin19:25:251
133807993831,3cyclictest0-21swapper/019:25:240
133807993830,4cyclictest167350irq/118-8000000.ethernet-tx020:35:150
133807993830,4cyclictest0-21swapper/019:50:290
133807993830,4cyclictest0-21swapper/019:50:280
133807993828,7cyclictest0-21swapper/023:35:280
133807993824,9cyclictest0-21swapper/020:50:240
133807993822,14cyclictest0-21swapper/021:40:190
133807993821,15cyclictest0-21swapper/023:20:160
133807993819,17cyclictest0-21swapper/019:25:000
13380799381,35cyclictest0-21swapper/020:30:270
13380799381,35cyclictest0-21swapper/000:35:120
133813993729,5cyclictest0-21swapper/221:25:292
133813993728,5cyclictest0-21swapper/221:50:272
133813993726,7cyclictest0-21swapper/219:55:282
133813993725,8cyclictest0-21swapper/222:15:282
133813993723,10cyclictest0-21swapper/219:35:262
133810993730,4cyclictest0-21swapper/121:15:001
133810993730,4cyclictest0-21swapper/121:15:001
133810993727,7cyclictest0-21swapper/100:20:001
133810993727,5cyclictest0-21swapper/120:50:271
133810993726,7cyclictest0-21swapper/121:35:271
133810993726,7cyclictest0-21swapper/121:35:271
133810993723,8cyclictest0-21swapper/100:25:281
133810993723,7cyclictest1653-21lldpd00:10:231
133807993731,4cyclictest0-21swapper/021:00:130
133807993731,3cyclictest0-21swapper/019:55:250
133807993730,4cyclictest20850irq/208-8000000.ethernet23:05:150
133813993627,5cyclictest187088-21sh00:20:012
133813993627,5cyclictest0-21swapper/221:10:282
133813993627,5cyclictest0-21swapper/221:10:272
133813993626,5cyclictest0-21swapper/200:00:182
133813993625,8cyclictest0-21swapper/223:10:002
133810993626,6cyclictest177678-21grep23:20:291
133810993626,6cyclictest0-21swapper/123:50:271
133810993626,6cyclictest0-21swapper/123:50:271
133810993626,5cyclictest0-21swapper/121:00:271
133810993624,8cyclictest231ktimers/123:00:161
133810993624,8cyclictest0-21swapper/121:30:291
13381099361,29cyclictest0-21swapper/121:45:191
133807993630,4cyclictest20850irq/208-8000000.ethernet19:40:150
133807993629,4cyclictest0-21swapper/021:10:280
133807993629,4cyclictest0-21swapper/021:10:280
133807993629,4cyclictest0-21swapper/019:45:160
133807993628,5cyclictest0-21swapper/023:49:590
13380799362,5cyclictest167300-21sed22:20:280
133813993526,6cyclictest0-21swapper/221:30:292
133813993526,5cyclictest0-21swapper/221:00:272
133813993526,5cyclictest0-21swapper/219:45:322
133813993521,7cyclictest146884-21grep20:20:292
133813993520,13cyclictest311ktimers/222:25:132
133810993527,5cyclictest0-21swapper/119:45:001
133810993526,5cyclictest0-21swapper/122:20:281
133807993528,5cyclictest0-21swapper/000:25:190
133807993522,8cyclictest0-21swapper/021:50:190
133813993426,5cyclictest0-21swapper/220:15:272
133813993426,5cyclictest0-21swapper/220:15:272
133813993425,6cyclictest0-21swapper/200:35:272
133813993424,5cyclictest0-21swapper/220:00:272
133813993424,5cyclictest0-21swapper/220:00:272
13381399341,27cyclictest0-21swapper/220:40:222
133810993427,4cyclictest0-21swapper/122:40:281
133810993423,7cyclictest0-21swapper/123:30:271
133810993423,6cyclictest0-21swapper/123:45:011
133807993428,4cyclictest20850irq/208-8000000.ethernet22:05:170
133807993425,5cyclictest0-21swapper/021:05:280
13380799341,31cyclictest0-21swapper/023:10:100
133813993327,3cyclictest167550irq/134-8000000.ethernet-tx221:05:202
133813993326,4cyclictest167550irq/134-8000000.ethernet-tx223:50:282
133813993326,4cyclictest167550irq/134-8000000.ethernet-tx223:50:282
133813993326,4cyclictest0-21swapper/220:50:182
133813993325,4cyclictest0-21swapper/222:20:202
13381099331,27cyclictest0-21swapper/123:55:271
133807993325,4cyclictest167350irq/118-8000000.ethernet-tx023:15:250
133813993224,4cyclictest0-21swapper/220:35:012
133813993223,7cyclictest165608-21grep22:10:292
133813993223,5cyclictest0-21swapper/200:10:282
133813993223,4cyclictest0-21swapper/222:00:192
133813993221,8cyclictest0-21swapper/221:45:262
133813993218,7cyclictest0-21swapper/200:25:012
133810993222,7cyclictest231ktimers/122:00:271
133810993221,7cyclictest0-21swapper/120:50:021
133813993124,5cyclictest183536-21grep23:55:282
133813993121,7cyclictest0-21swapper/220:25:272
133813993118,9cyclictest0-21swapper/221:45:002
133810993124,4cyclictest0-21swapper/119:30:221
133813993025,2cyclictest0-21swapper/219:30:142
133813993023,5cyclictest143797-21/usr/sbin/munin20:05:292
133813993022,5cyclictest0-21swapper/223:45:292
133813993021,4cyclictest0-21swapper/219:30:022
133813993020,7cyclictest180142-21grep23:35:272
133810993022,5cyclictest0-21swapper/119:20:231
133813992923,3cyclictest0-21swapper/221:35:242
133813992923,3cyclictest0-21swapper/221:35:242
133813992920,5cyclictest0-21swapper/219:10:022
133813992918,8cyclictest311ktimers/223:20:052
133813992918,8cyclictest0-21swapper/219:40:182
13381099294,14cyclictest133910-21latency_hist19:10:011
13381099294,14cyclictest133910-21latency_hist19:10:011
133813992821,4cyclictest0-21swapper/222:40:252
133813992817,7cyclictest311ktimers/223:00:142
133813992722,3cyclictest170091-21latency_hist22:40:002
133813992719,6cyclictest0-21swapper/222:50:272
133813992516,6cyclictest0-21swapper/219:10:012
133813992314,6cyclictest0-21swapper/220:55:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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