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2026-06-27 - 03:12

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, slot #5

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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  Phytec
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackbslot5s.osadl.org (updated Sat Jun 27, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
580851995342,8cyclictest619332-21grep21:00:000
580851995043,4cyclictest639813-21munin-plugin-st22:00:010
580864994637,5cyclictest629586-21idleruntime-cro21:29:593
580864994635,5cyclictest650123-21latency_hist22:30:003
580855994538,4cyclictest642820-21unixbench_singl22:05:261
580864994436,6cyclictest670446-21kworker/u8:1+events_unbound23:53:143
580864994334,6cyclictest627445-21grep21:20:243
580860994331,9cyclictest612527-21sendmail-msp20:40:002
580864994220,7cyclictest131rcu_preempt23:25:123
580860994231,7cyclictest641519-21sh22:05:002
580855994233,6cyclictest231ktimers/100:25:121
580864994133,5cyclictest0-21swapper/320:10:003
580851994131,7cyclictest612516-21sendmail20:40:010
580851994033,4cyclictest641515-21cron22:05:010
580864993933,4cyclictest638086-21kworker/u8:0+events_unbound22:02:423
580864993926,9cyclictest596487-21grep19:50:253
580855993932,4cyclictest622742-21latency_hist21:10:001
580855993932,4cyclictest622742-21latency_hist21:10:001
580855993929,7cyclictest586619-21apt-config19:25:021
580864993825,9cyclictest605456-21cron20:20:013
580864993731,4cyclictest613959-21kworker/u8:1+events_unbound20:47:423
580864993725,7cyclictest0-21swapper/321:10:003
580864993725,7cyclictest0-21swapper/321:09:593
580864993718,6cyclictest131rcu_preempt23:40:093
580860993730,4cyclictest665600-21sh23:15:012
580855993729,4cyclictest0-21swapper/120:30:011
580864993630,4cyclictest580416-21kworker/u8:1+events_unbound19:25:403
580864993627,5cyclictest0-21swapper/322:55:143
580864993624,9cyclictest656608-21grep22:45:253
580860993628,4cyclictest0-21swapper/223:55:152
580855993628,5cyclictest231ktimers/123:35:101
580851993629,4cyclictest0-21swapper/020:50:010
580851993626,6cyclictest0-21swapper/022:15:010
580864993528,4cyclictest695040-21sendmail00:39:593
580864993525,5cyclictest0-21swapper/319:55:273
580864993514,6cyclictest131rcu_preempt22:05:123
580860993526,7cyclictest311ktimers/219:20:112
580855993527,4cyclictest0-21swapper/122:10:161
580864993423,6cyclictest0-21swapper/323:15:243
580860993426,4cyclictest0-21swapper/222:00:012
580860993426,4cyclictest0-21swapper/200:35:152
580855993421,9cyclictest663480-21grep23:05:241
580851993424,6cyclictest0-21swapper/023:10:240
580864993327,4cyclictest632748-21kworker/u8:2+events_unbound21:41:093
580864993324,5cyclictest0-21swapper/323:55:243
580864993323,6cyclictest0-21swapper/323:10:253
580864993318,5cyclictest641139-21kworker/u8:2+events_unbound22:10:273
580860993325,4cyclictest0-21swapper/223:05:252
580860993325,4cyclictest0-21swapper/222:15:242
580860993318,10cyclictest0-21swapper/221:16:032
580855993324,5cyclictest0-21swapper/122:41:191
580855993321,7cyclictest0-21swapper/121:15:251
580855993316,14cyclictest24-21ksoftirqd/119:15:131
580851993312,18cyclictest204-21dbus-daemon22:56:220
58086499329,13cyclictest40-21ksoftirqd/300:10:163
58086499327,7cyclictest40-21ksoftirqd/300:15:253
580864993226,4cyclictest598422-21kworker/u8:0+events_unbound20:00:473
580864993226,4cyclictest598422-21kworker/u8:0+events_unbound20:00:463
580864993225,4cyclictest0-21swapper/323:30:243
580864993215,3cyclictest131rcu_preempt00:00:173
580864993211,11cyclictest0-21swapper/321:00:353
580860993224,4cyclictest0-21swapper/220:25:012
580860993223,7cyclictest677816-21latency_hist23:50:012
580860993223,7cyclictest677816-21latency_hist23:50:002
580855993224,5cyclictest0-21swapper/100:30:151
580855993224,4cyclictest0-21swapper/120:00:161
580855993224,4cyclictest0-21swapper/120:00:151
580851993224,4cyclictest0-21swapper/022:25:000
58086499318,11cyclictest40-21ksoftirqd/319:15:053
580864993112,12cyclictest40-21ksoftirqd/320:35:013
580864993111,12cyclictest40-21ksoftirqd/319:20:253
580860993125,3cyclictest591847-21idleruntime-cro19:40:012
580860993125,3cyclictest0-21swapper/200:30:252
580860993123,5cyclictest145-21jbd2/mmcblk1p2-823:50:412
580860993123,4cyclictest0-21swapper/220:55:012
58085599312,9cyclictest6125332basename20:40:011
580855993123,5cyclictest593126-21head19:40:261
580855993122,5cyclictest0-21swapper/121:20:151
580851993125,3cyclictest691674-21latency_hist00:30:010
580851993124,4cyclictest0-21swapper/000:10:230
580851993123,5cyclictest0-21swapper/023:40:000
580851993122,6cyclictest0-21swapper/019:55:270
580851993120,6cyclictest0-21swapper/022:45:010
580864993020,3cyclictest131rcu_preempt20:10:233
580864993019,7cyclictest690957-21grep00:25:263
580864993017,6cyclictest589345-21kworker/u8:2+events_unbound19:32:053
580860993023,3cyclictest0-21swapper/219:45:152
580860993022,4cyclictest0-21swapper/222:30:252
580860993022,4cyclictest0-21swapper/219:40:262
580855993022,4cyclictest0-21swapper/120:15:001
580855993021,5cyclictest0-21swapper/121:50:151
580855993020,8cyclictest24-21ksoftirqd/122:15:101
58085599301,26cyclictest1-21systemd19:10:361
580851993024,3cyclictest0-21swapper/020:50:240
580851993022,4cyclictest0-21swapper/020:20:250
580851993021,6cyclictest0-21swapper/022:50:150
580851993021,6cyclictest0-21swapper/020:10:010
58086499299,3cyclictest131rcu_preempt20:40:183
58086499296,7cyclictest40-21ksoftirqd/320:30:023
580864992923,4cyclictest682875-21kworker/u8:2+events_unbound00:23:513
580864992921,4cyclictest0-21swapper/322:35:253
580864992921,4cyclictest0-21swapper/320:20:253
580864992919,6cyclictest595233-21sh19:50:013
580864992914,6cyclictest646342-21kworker/u8:1+events_unbound22:23:043
580864992913,7cyclictest40-21ksoftirqd/323:40:003
580864992910,11cyclictest0-21swapper/319:38:333
580860992922,4cyclictest0-21swapper/220:45:242
580860992920,5cyclictest0-21swapper/223:00:002
580855992920,6cyclictest687990-21cron00:20:001
580855992917,8cyclictest639816-21ls22:00:011
58085199299,7cyclictest131rcu_preempt21:00:110
580851992923,4cyclictest591820-21cron19:40:000
580851992921,5cyclictest0-21swapper/021:20:000
58086499288,6cyclictest131rcu_preempt22:35:013
58086499286,7cyclictest40-21ksoftirqd/322:50:143
580864992821,4cyclictest0-21swapper/319:40:253
580864992818,6cyclictest692893-21head00:30:253
580864992816,3cyclictest131rcu_preempt21:35:163
580864992810,10cyclictest131rcu_preempt23:45:163
580864992810,10cyclictest131rcu_preempt23:45:153
580860992822,3cyclictest0-21swapper/220:00:262
580860992822,3cyclictest0-21swapper/220:00:262
580860992820,5cyclictest0-21swapper/220:25:212
580860992820,4cyclictest610596-21munin-plugin-st20:35:012
580860992819,5cyclictest0-21swapper/220:10:002
580860992819,5cyclictest0-21swapper/219:20:002
580860992819,4cyclictest0-21swapper/200:10:012
580860992818,6cyclictest0-21swapper/222:35:242
580855992820,4cyclictest0-21swapper/123:41:261
580851992821,4cyclictest0-21swapper/020:25:250
580851992821,4cyclictest0-21swapper/000:05:250
580851992819,6cyclictest0-21swapper/023:15:140
580851992819,6cyclictest0-21swapper/019:20:010
580851992818,6cyclictest0-21swapper/023:05:250
580851992818,6cyclictest0-21swapper/021:35:010
580851992818,5cyclictest0-21swapper/022:45:250
58086499277,13cyclictest40-21ksoftirqd/320:55:013
58086499276,11cyclictest40-21ksoftirqd/322:45:023
580864992719,4cyclictest0-21swapper/321:45:173
580860992719,4cyclictest0-21swapper/222:45:262
580860992717,7cyclictest636002-21sed21:45:262
580860992717,6cyclictest0-21swapper/200:00:252
580860992716,7cyclictest1-21systemd22:21:152
580860992716,6cyclictest0-21swapper/220:55:252
580860992715,7cyclictest0-21swapper/223:30:242
58086099271,3cyclictest131rcu_preempt23:00:162
580855992720,4cyclictest0-21swapper/123:45:251
580855992720,4cyclictest0-21swapper/123:45:251
580855992719,4cyclictest0-21swapper/120:40:261
580855992719,4cyclictest0-21swapper/100:20:151
580855992718,6cyclictest650054-21ls22:30:001
580855992716,7cyclictest0-21swapper/122:25:011
580851992720,4cyclictest0-21swapper/019:40:260
580851992718,6cyclictest627882-21basename21:24:590
580851992717,7cyclictest603348-21grep20:10:260
58086499267,12cyclictest40-21ksoftirqd/320:55:203
580864992620,4cyclictest634569-21kworker/u8:1+events_unbound21:51:103
580864992619,5cyclictest657007-21kworker/u8:3+events_unbound23:04:023
580864992619,4cyclictest582000-21tail19:10:243
580864992618,4cyclictest619165-21kworker/u8:2+events_unbound21:16:043
58086499261,12cyclictest0-21swapper/323:23:213
580860992620,3cyclictest624448-21auditctl21:15:002
580860992620,3cyclictest0-21swapper/220:20:002
580860992618,4cyclictest0-21swapper/221:50:252
580860992617,6cyclictest0-21swapper/200:20:232
580860992616,6cyclictest0-21swapper/221:30:002
580860992616,6cyclictest0-21swapper/220:10:242
580855992620,3cyclictest0-21swapper/119:35:231
580855992619,5cyclictest649836-21kworker/u8:2+events_unbound22:56:221
580855992619,5cyclictest596706-21kworker/u8:1+events_unbound19:55:451
580855992619,4cyclictest682431-21grep00:00:241
580855992619,4cyclictest0-21swapper/120:20:151
580855992618,5cyclictest231ktimers/121:10:121
580855992616,7cyclictest695041-21idleruntime-cro00:40:001
580855992614,9cyclictest0-21swapper/123:25:001
580855992614,8cyclictest667317-21sendmail23:20:001
580851992619,3cyclictest0-21swapper/023:00:170
58086499258,3cyclictest131rcu_preempt21:30:253
58086499255,6cyclictest40-21ksoftirqd/321:55:253
58086499252,12cyclictest40-21ksoftirqd/323:05:143
580860992518,5cyclictest648077-21kworker/u8:0+events_unbound22:41:212
580860992518,5cyclictest0-21swapper/223:20:012
580860992518,3cyclictest0-21swapper/221:31:052
580860992517,4cyclictest0-21swapper/219:30:172
580860992516,5cyclictest0-21swapper/223:40:002
58086099251,12cyclictest0-21swapper/221:41:222
580855992519,3cyclictest0-21swapper/121:40:151
580855992517,4cyclictest0-21swapper/123:30:231
580851992520,2cyclictest0-21swapper/022:30:010
580851992519,3cyclictest0-21swapper/021:35:270
580851992518,5cyclictest636001-21unixbench_singl21:45:250
580851992518,5cyclictest0-21swapper/000:00:130
580851992518,4cyclictest13550irq/42-30be0000.ethernet22:20:010
580851992518,4cyclictest0-21swapper/022:30:260
580851992516,6cyclictest0-21swapper/020:15:260
580851992515,8cyclictest599393-21sed20:00:200
580851992515,8cyclictest599393-21sed20:00:200
580851992514,7cyclictest613778-21grep20:40:260
58086499249,5cyclictest131rcu_preempt21:10:173
58086499243,5cyclictest0-21swapper/300:05:123
580860992418,3cyclictest0-21swapper/223:25:232
580860992418,3cyclictest0-21swapper/219:55:222
580860992417,3cyclictest0-21swapper/222:30:012
580860992415,6cyclictest685368-21ntpq00:10:202
580860992414,7cyclictest622761-21basename21:10:002
580860992414,7cyclictest622761-21basename21:10:002
580860992413,8cyclictest613673-21sed20:40:242
58086099241,21cyclictest596710-21seq19:52:202
580855992417,5cyclictest649836-21kworker/u8:2+events_unbound22:36:191
580855992417,4cyclictest0-21swapper/119:50:241
580855992417,4cyclictest0-21swapper/100:10:111
580855992417,3cyclictest0-21swapper/120:50:221
580855992416,5cyclictest0-21swapper/120:45:151
580855992416,5cyclictest0-21swapper/100:05:261
580855992416,4cyclictest0-21swapper/123:25:201
580855992414,8cyclictest658203-21sed22:50:241
580855992414,7cyclictest631924-21sed21:35:201
580851992418,2cyclictest0-21swapper/021:25:180
580851992416,5cyclictest0-21swapper/023:40:220
580851992415,5cyclictest13550irq/42-30be0000.ethernet23:50:000
580851992415,5cyclictest13550irq/42-30be0000.ethernet23:49:590
580851992415,5cyclictest0-21swapper/000:20:240
580851992414,6cyclictest0-21swapper/023:25:270
58085199241,19cyclictest0-21swapper/021:14:090
58085199241,19cyclictest0-21swapper/019:33:250
580860992314,6cyclictest587625-21seq19:25:252
580860992313,7cyclictest0-21swapper/222:05:222
580855992316,4cyclictest438-21cron21:35:011
580855992315,5cyclictest0-21swapper/120:05:251
580855992314,5cyclictest6193102sleep121:00:011
580855992314,5cyclictest0-21swapper/123:05:011
580851992319,2cyclictest13550irq/42-30be0000.ethernet00:35:210
580851992317,3cyclictest0-21swapper/022:05:260
580851992317,3cyclictest0-21swapper/000:15:250
580851992315,5cyclictest0-21swapper/023:30:150
58085199231,3cyclictest0-21swapper/021:40:130
58085199231,19cyclictest0-21swapper/019:22:350
58085199231,18cyclictest0-21swapper/023:51:260
58085199231,18cyclictest0-21swapper/021:05:450
58085199231,18cyclictest0-21swapper/021:05:450
58085199231,18cyclictest0-21swapper/019:13:540
58085199230,19cyclictest0-21swapper/023:21:490
58085199230,19cyclictest0-21swapper/020:34:200
58085199230,19cyclictest0-21swapper/019:27:520
580860992216,3cyclictest0-21swapper/222:15:012
580860992211,7cyclictest0-21swapper/223:40:232
580855992216,3cyclictest0-21swapper/123:55:231
580855992213,6cyclictest629161-21grep21:25:271
58085599221,18cyclictest678559-21ntpq23:50:211
580855992210,9cyclictest594115-21cut19:45:181
580851992216,2cyclictest0-21swapper/021:52:460
580851992214,4cyclictest0-21swapper/000:30:240
580851992212,6cyclictest0-21swapper/023:55:270
58085199220,18cyclictest0-21swapper/019:52:220
580860992116,2cyclictest0-21swapper/221:05:012
580860992113,5cyclictest0-21swapper/223:20:252
580855992115,3cyclictest0-21swapper/119:35:001
580855992113,5cyclictest1-21systemd21:01:001
580855992112,6cyclictest0-21swapper/120:35:021
58086099202,13cyclictest627864-21cron21:25:002
580860992014,3cyclictest690648-21sendmail_mailqu00:25:242
580860992014,3cyclictest0-21swapper/222:50:132
580860992012,5cyclictest687999-21munin-plugin-st00:19:592
580855992014,3cyclictest0-21swapper/119:25:231
580855992012,5cyclictest0-21swapper/120:15:261
58085599201,12cyclictest0-21swapper/122:04:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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