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2026-05-15 - 04:53

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 all highest latencies:
System rackeslot6s.osadl.org (updated Fri May 15, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323622999832,7cyclictest3280730-21unixbench_multi23:25:290
323622999831,11cyclictest3287556-21tail00:05:320
323622999822,7cyclictest3260374-21apt-get21:30:010
3236229997833,38cyclictest167350irq/118-8000000.ethernet-tx020:30:290
3236229997545,27cyclictest3255225-21sendmail21:00:000
3236229997545,27cyclictest3255225-21sendmail21:00:000
3236236997326,38cyclictest0-21swapper/220:30:282
3236236997234,32cyclictest0-21swapper/221:45:292
3236236997024,40cyclictest0-21swapper/200:20:292
323622999703,6cyclictest3238254-21latency_hist19:20:010
3236236996926,37cyclictest0-21swapper/200:00:282
3236232996965,2cyclictest0-21swapper/123:20:001
3236229996859,4cyclictest0-21swapper/020:05:170
3236229996859,4cyclictest0-21swapper/020:05:160
3236236996717,41cyclictest0-21swapper/223:00:312
3236236996633,29cyclictest0-21swapper/223:25:292
3236229996645,17cyclictest167350irq/118-8000000.ethernet-tx020:10:230
3236236996528,31cyclictest0-21swapper/221:40:282
3236236996424,32cyclictest0-21swapper/219:20:272
3236229996444,16cyclictest167350irq/118-8000000.ethernet-tx020:40:200
3236236996235,22cyclictest3238233-21sendmail19:20:012
3236236996230,26cyclictest0-21swapper/219:10:282
3236236996228,30cyclictest0-21swapper/222:50:292
3236236996228,29cyclictest0-21swapper/221:05:282
3236236996225,30cyclictest0-21swapper/220:00:282
3236236996212,9cyclictest3247507-21grep20:10:272
3236236996121,34cyclictest3268042-21grep22:10:292
3236236996121,33cyclictest0-21swapper/219:45:282
3236236996114,38cyclictest0-21swapper/223:35:292
3236236996022,33cyclictest0-21swapper/220:05:302
3236236996022,33cyclictest0-21swapper/220:05:302
3236236996021,35cyclictest0-21swapper/223:05:292
323622999602,3cyclictest0-21swapper/019:20:230
3236236995925,30cyclictest3242459-21cron19:44:592
3236236995916,33cyclictest0-21swapper/223:00:002
3236236995916,33cyclictest0-21swapper/223:00:002
3236229995934,4cyclictest167350irq/118-8000000.ethernet-tx022:10:020
3236236995821,30cyclictest0-21swapper/223:10:312
3236236995815,7cyclictest0-21swapper/223:40:292
3236236995815,7cyclictest0-21swapper/223:40:292
3236236995813,7cyclictest0-21swapper/222:30:262
323623299589,23cyclictest231ktimers/119:45:021
3236236995723,28cyclictest0-21swapper/223:25:002
3236236995722,27cyclictest0-21swapper/222:00:202
3236236995643,9cyclictest3260378-21munin-plugin-st21:30:002
3236236995618,32cyclictest0-21swapper/220:20:272
3236236995615,32cyclictest0-21swapper/221:30:292
3236236995611,7cyclictest0-21swapper/222:45:302
3236232995621,3cyclictest0-21swapper/121:35:021
3236236995531,21cyclictest3253524-21cron20:50:002
3236236995517,4cyclictest0-21swapper/221:15:222
323623699551,24cyclictest0-21swapper/219:30:252
323623699543,11cyclictest0-21swapper/223:55:202
3236229995450,2cyclictest20850irq/208-8000000.ethernet20:30:010
3236229995445,4cyclictest20650irq/252-8000000.ethernet19:10:110
3236236995321,6cyclictest3257195-21/usr/sbin/munin21:10:242
3236236995320,28cyclictest0-21swapper/221:35:312
3236236995319,29cyclictest0-21swapper/223:15:282
3236236995317,31cyclictest0-21swapper/222:05:192
3236236995314,4cyclictest0-21swapper/220:30:012
3236229995334,4cyclictest0-21swapper/022:25:170
323622999531,4cyclictest0-21swapper/022:45:120
3236236995216,5cyclictest0-21swapper/219:55:282
3236236995215,5cyclictest0-21swapper/220:50:282
3236236995213,32cyclictest0-21swapper/200:15:212
3236236995213,32cyclictest0-21swapper/200:15:212
3236236995116,5cyclictest0-21swapper/221:50:202
3236236995110,7cyclictest0-21swapper/200:10:112
3236232995139,7cyclictest3239929-21munin-plugin-st19:30:001
3236236995025,21cyclictest0-21swapper/220:55:192
3236236995025,21cyclictest0-21swapper/220:55:192
3236236995022,23cyclictest3248450-21cron20:20:002
3236236995019,4cyclictest0-21swapper/223:30:292
3236236995017,4cyclictest0-21swapper/222:40:012
3236236995010,7cyclictest0-21swapper/222:35:262
323622999501,9cyclictest3240464-21phc2sys19:30:250
3236232994931,12cyclictest231ktimers/123:55:131
3236229994842,3cyclictest167350irq/118-8000000.ethernet-tx020:05:000
3236236994717,4cyclictest0-21swapper/220:40:002
3236232994731,11cyclictest0-21swapper/120:10:271
3236229994740,4cyclictest167350irq/118-8000000.ethernet-tx022:40:180
3236229994739,6cyclictest3284195-21munin-plugin-st23:50:000
323622999473,41cyclictest0-21swapper/000:35:160
323623699461,39cyclictest0-21swapper/221:00:292
3236236994612,22cyclictest0-21swapper/219:10:012
3236236994610,7cyclictest0-21swapper/222:25:212
323623299461,4cyclictest0-21swapper/121:00:011
323623299461,4cyclictest0-21swapper/121:00:011
323622999461,38cyclictest0-21swapper/023:20:010
3236236994514,8cyclictest0-21swapper/223:50:002
3236236994513,7cyclictest0-21swapper/223:50:292
3236229994538,4cyclictest167350irq/118-8000000.ethernet-tx019:50:270
3236236994417,7cyclictest3252221-21ssh20:40:202
3236232994424,14cyclictest231ktimers/122:20:111
3236236994315,4cyclictest0-21swapper/219:50:212
3236232994331,8cyclictest0-21swapper/122:55:281
3236232994331,8cyclictest0-21swapper/122:55:281
3236232994330,9cyclictest3287540-21unixbench_multi00:05:321
3236232994326,11cyclictest0-21swapper/119:15:261
3236229994336,5cyclictest0-21swapper/023:20:180
3236229994335,5cyclictest0-21swapper/022:10:300
323622999431,37cyclictest0-21swapper/000:30:010
3236232994233,4cyclictest0-21swapper/123:10:201
3236229994237,2cyclictest0-21swapper/020:45:280
3236229994236,4cyclictest167350irq/118-8000000.ethernet-tx021:45:030
3236229994233,6cyclictest20850irq/208-8000000.ethernet22:35:290
3236229994230,8cyclictest0-21swapper/019:10:010
323622999422,4cyclictest3258131-21ssh21:15:210
323622999421,5cyclictest0-21swapper/000:15:300
323622999421,5cyclictest0-21swapper/000:15:290
323622999421,4cyclictest3286272-21tune2fs00:00:170
3236236994128,9cyclictest0-21swapper/200:35:242
323623699411,24cyclictest0-21swapper/219:25:172
3236232994133,5cyclictest3263001-21munin-run21:45:001
3236232994125,9cyclictest0-21swapper/121:25:211
3236232994113,15cyclictest167450irq/126-8000000.ethernet-tx100:35:201
3236232994111,5cyclictest3284814-21cut23:50:261
323622999417,5cyclictest3262999-21apt-get21:45:010
3236229994135,3cyclictest167350irq/118-8000000.ethernet-tx019:25:200
3236229994132,5cyclictest0-21swapper/000:00:000
3236229994130,7cyclictest1283-21cron21:25:000
323622999411,4cyclictest3291308-21df_inode00:30:180
323622999411,38cyclictest0-21swapper/023:35:170
323622999411,2cyclictest0-21swapper/022:05:010
3236236994032,5cyclictest3268992-21latency_hist22:20:002
3236236994032,5cyclictest3268992-21latency_hist22:20:002
3236232994022,11cyclictest0-21swapper/123:25:301
3236232994016,15cyclictest0-21swapper/123:20:281
3236229994034,4cyclictest0-21swapper/019:35:210
3236229994034,3cyclictest20650irq/252-8000000.ethernet21:35:220
3236229994033,4cyclictest0-21swapper/000:22:200
323622999402,33cyclictest3283244-21grep23:40:290
323622999402,33cyclictest3283244-21grep23:40:290
323622999401,4cyclictest3260374-21apt-get21:30:030
323622999401,37cyclictest0-21swapper/023:30:270
323622999401,36cyclictest3278008-21ps23:10:290
323622999401,36cyclictest0-21swapper/019:55:200
3236232993928,6cyclictest0-21swapper/100:30:291
3236232993928,5cyclictest0-21swapper/120:00:011
323622999392,3cyclictest3242965-21meminfo19:45:250
3236236993825,8cyclictest0-21swapper/219:35:282
3236236993825,7cyclictest3236224-21cyclictest22:25:002
323623299388,3cyclictest0-21swapper/120:10:011
323623299388,3cyclictest0-21swapper/120:10:011
3236232993828,7cyclictest3272581-21/usr/sbin/munin22:40:181
3236232993825,8cyclictest3290981-21grep00:25:291
3236232993823,9cyclictest0-21swapper/119:50:011
3236232993818,16cyclictest22-21rcuc/121:50:011
323623299381,4cyclictest0-21swapper/120:55:001
3236229993832,4cyclictest3248463-21munin-plugin-st20:20:000
3236229993832,4cyclictest167350irq/118-8000000.ethernet-tx022:15:170
3236229993832,4cyclictest167350irq/118-8000000.ethernet-tx022:15:160
3236229993832,4cyclictest0-21swapper/022:50:590
3236229993832,4cyclictest0-21swapper/020:20:250
3236229993825,9cyclictest0-21swapper/022:55:210
3236229993825,9cyclictest0-21swapper/022:55:200
3236229993825,9cyclictest0-21swapper/020:35:290
323622999381,35cyclictest0-21swapper/023:00:300
323622999381,35cyclictest0-21swapper/022:20:230
323622999381,35cyclictest0-21swapper/021:10:160
323622999381,2cyclictest3255520-21apt-get21:00:150
323623299374,19cyclictest24-21ksoftirqd/122:30:111
3236232993729,4cyclictest167450irq/126-8000000.ethernet-tx122:35:251
3236232993727,6cyclictest3252640-21grep20:40:281
323623299372,4cyclictest274-21systemd-journal20:25:181
3236232993722,7cyclictest0-21swapper/120:15:281
3236232993718,12cyclictest231ktimers/122:50:141
323623299371,24cyclictest22-21rcuc/120:50:011
3236229993731,4cyclictest0-21swapper/023:05:230
3236229993731,4cyclictest0-21swapper/022:30:110
323622999371,34cyclictest0-21swapper/023:50:200
323622999371,34cyclictest0-21swapper/021:50:120
3236229993710,5cyclictest3241912-21fschecks_count19:40:190
3236232993630,4cyclictest3265617-21sendmail22:00:001
323623299361,29cyclictest3258897-21/usr/sbin/munin21:20:201
323623299361,29cyclictest0-21swapper/120:35:271
323623299361,28cyclictest0-21swapper/123:45:241
323622999361,33cyclictest0-21swapper/021:08:080
3236232993527,4cyclictest0-21swapper/100:20:261
3236232993526,6cyclictest3281621-21grep23:30:291
3236232993526,5cyclictest0-21swapper/100:15:291
3236232993526,5cyclictest0-21swapper/100:15:291
323623299351,28cyclictest22-21rcuc/119:20:251
3236232993512,15cyclictest3256356-21/usr/sbin/munin21:05:181
3236229993525,6cyclictest3288091-21/usr/sbin/munin00:10:230
3236229993524,7cyclictest0-21swapper/021:55:280
3236236993423,6cyclictest0-21swapper/221:20:202
3236232993428,3cyclictest167450irq/126-8000000.ethernet-tx123:40:271
3236232993428,3cyclictest167450irq/126-8000000.ethernet-tx123:40:271
3236232993427,4cyclictest0-21swapper/120:30:181
3236232993425,4cyclictest0-21swapper/121:30:171
3236232993424,5cyclictest0-21swapper/120:00:281
3236232993422,7cyclictest0-21swapper/121:10:291
323623299341,28cyclictest0-21swapper/122:45:231
323623299341,27cyclictest22-21rcuc/122:00:151
323622999341,21cyclictest2889773-1kworker/0:1H+kblockd20:55:010
3236232993324,5cyclictest0-21swapper/121:50:291
3236232993320,9cyclictest1283-21cron19:55:001
323623299331,26cyclictest0-21swapper/121:15:251
3236232993224,6cyclictest0-21swapper/123:35:291
3236232993222,7cyclictest3240966-21/usr/sbin/munin19:35:181
3236232993222,6cyclictest0-21swapper/123:10:001
3236232993220,8cyclictest0-21swapper/119:10:021
323623299321,2cyclictest0-21swapper/122:15:011
3236236993123,5cyclictest0-21swapper/221:55:282
3236236993122,6cyclictest3291001-21unixbench_singl00:25:302
323623299312,3cyclictest0-21swapper/122:25:241
323623299311,3cyclictest3236747-21kernelversion19:10:221
323623299311,2cyclictest0-21swapper/120:25:011
3236236993020,6cyclictest0-21swapper/200:05:272
323623299301,3cyclictest0-21swapper/123:05:011
323623299301,26cyclictest0-21swapper/122:05:231
3236232992917,8cyclictest0-21swapper/100:10:281
3236236992822,4cyclictest0-21swapper/200:33:442
323623299283,21cyclictest24-21ksoftirqd/119:30:131
3236232992818,5cyclictest0-21swapper/121:05:011
3236232992619,4cyclictest0-21swapper/122:15:211
3236232992619,4cyclictest0-21swapper/122:15:211
3236232992518,4cyclictest0-21swapper/100:00:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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