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2025-12-08 - 03:09

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 highest latencies:
System rackbslot5s.osadl.org (updated Mon Dec 08, 2025 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4126303995143,6cyclictest4172078-21kworker/u8:0+events_unbound21:27:301
4126303994640,4cyclictest29246-21kworker/u8:2+events_unbound23:48:211
4126299994437,4cyclictest43518-21latency_hist00:30:000
4126299994331,9cyclictest4144737-21latency_hist20:00:020
4126303994231,7cyclictest46498-21grep00:35:251
4126312994131,6cyclictest2364-21munin-plugin-st22:30:003
4126312994032,4cyclictest7277-21unixbench_singl22:40:253
4126308994031,6cyclictest8926-21unixbench_multi22:45:262
4126303994032,5cyclictest31542-21cron23:54:591
4126303994016,11cyclictest4156607-21kworker/u8:1-events_freezable_power_20:45:131
4126299994032,4cyclictest14086-21unixbench_singl23:00:270
4126312993931,5cyclictest4146454-21munin-plugin-st20:05:013
4126303993933,4cyclictest4151617-21kworker/u8:0+events_unbound21:07:261
4126303993932,5cyclictest4144216-21kworker/u8:0+events_unbound19:57:161
4126303993928,7cyclictest39620-21unixbench_multi00:15:261
4126303993928,7cyclictest39620-21unixbench_multi00:15:261
4126299993932,4cyclictest16216-21munin-plugin-st23:09:590
4126312993829,4cyclictest0-21swapper/323:15:003
4126312993829,4cyclictest0-21swapper/323:14:593
4126303993820,5cyclictest4147995-21kworker/u8:2-events_freezable_power_20:07:451
4126299993834,2cyclictest0-21swapper/021:55:130
4126299993830,4cyclictest0-21swapper/023:37:540
4126312993726,6cyclictest0-21swapper/300:10:003
4126308993731,4cyclictest4125997-21kworker/u8:0+events_unbound19:22:092
4126308993729,5cyclictest0-21swapper/220:05:012
4126308993726,7cyclictest0-21swapper/223:35:262
4126308993726,7cyclictest0-21swapper/221:45:282
4126303993728,4cyclictest0-21swapper/100:13:201
4126303993726,7cyclictest4167336-21debian-sa121:05:011
4126303993719,4cyclictest9142-21kworker/u8:3-events_freezable_power_23:13:471
4126303993719,4cyclictest9142-21kworker/u8:3-events_freezable_power_23:13:471
4126299993729,4cyclictest0-21swapper/020:30:010
4126312993625,7cyclictest0-21swapper/320:05:273
4126308993629,4cyclictest41764-21kworker/u8:1+events_unbound00:24:552
4126308993625,7cyclictest0-21swapper/223:05:332
4126299993629,4cyclictest4148358-21idleruntime-cro20:10:000
4126299993628,4cyclictest0-21swapper/019:35:270
4126299993628,4cyclictest0-21swapper/019:35:260
4126312993528,4cyclictest4186100-21cron22:00:013
4126312993528,4cyclictest0-21swapper/300:30:243
4126312993528,4cyclictest0-21swapper/300:30:243
4126312993527,4cyclictest0-21swapper/320:10:283
4126312993525,6cyclictest0-21swapper/300:24:593
4126308993527,4cyclictest0-21swapper/222:20:172
4126308993527,4cyclictest0-21swapper/222:20:172
4126308993524,7cyclictest0-21swapper/219:30:302
4126303993528,5cyclictest4190911-21kworker/u8:0+events_unbound22:17:401
4126303993524,7cyclictest0-21swapper/120:00:251
4126303993521,5cyclictest131rcu_preempt22:55:241
4126303993518,5cyclictest131rcu_preempt21:47:411
4126303993518,4cyclictest131rcu_preempt19:54:071
4126303993515,4cyclictest131rcu_preempt00:23:021
4126303993515,12cyclictest131rcu_preempt19:22:581
4126303993513,11cyclictest0-21swapper/123:55:381
4126299993527,4cyclictest0-21swapper/021:00:010
4126312993427,3cyclictest23038-21kthreadd23:30:013
4126312993426,5cyclictest0-21swapper/319:20:003
4126312993424,6cyclictest0-21swapper/322:10:003
4126312993423,6cyclictest0-21swapper/320:35:273
4126308993426,4cyclictest0-21swapper/221:25:002
4126308993426,4cyclictest0-21swapper/200:00:292
4126308993425,6cyclictest4178789-21unixbench_multi21:35:262
4126308993424,6cyclictest0-21swapper/222:05:272
4126308993424,6cyclictest0-21swapper/220:45:272
4126308993422,8cyclictest0-21swapper/200:34:592
4126308993422,8cyclictest0-21swapper/200:34:592
4126308993422,7cyclictest0-21swapper/223:00:272
4126303993429,3cyclictest31535-21kworker/u8:1+events_unbound00:03:231
4126303993426,5cyclictest4137501-21sendmail19:40:011
4126303993426,5cyclictest4137501-21sendmail19:40:001
4126303993419,4cyclictest131rcu_preempt19:15:141
4126303993419,4cyclictest0-21swapper/120:26:421
4126303993417,5cyclictest131rcu_preempt23:34:151
4126303993414,9cyclictest131rcu_preempt22:34:051
4126299993423,7cyclictest33249-21sh23:59:590
4126312993325,4cyclictest0-21swapper/320:55:293
4126312993323,6cyclictest0-21swapper/321:25:173
4126308993323,6cyclictest0-21swapper/222:35:172
4126308993323,6cyclictest0-21swapper/219:55:282
4126303993327,4cyclictest21293-21kworker/u8:0+events_unbound23:40:431
4126303993325,4cyclictest0-21swapper/119:15:011
4126303993325,4cyclictest0-21swapper/119:15:001
4126303993324,6cyclictest4184388-21sh21:55:011
4126303993324,6cyclictest15733-21grep23:05:331
4126303993322,4cyclictest131rcu_preempt23:23:421
4126303993319,3cyclictest131rcu_preempt20:44:491
4126303993318,4cyclictest131rcu_preempt20:50:201
4126303993317,5cyclictest4169272-21kworker/u8:2-events_freezable_power_21:15:031
4126303993317,5cyclictest4169272-21kworker/u8:2-events_freezable_power_21:15:021
4126303993317,4cyclictest131rcu_preempt22:11:281
4126303993316,5cyclictest131rcu_preempt22:45:271
4126303993314,11cyclictest131rcu_preempt22:40:231
4126303993313,9cyclictest131rcu_preempt00:07:131
4126303993310,15cyclictest24-21ksoftirqd/123:30:011
4126312993226,3cyclictest0-21swapper/321:30:283
4126312993225,3cyclictest0-21swapper/322:55:003
4126312993224,4cyclictest0-21swapper/322:10:263
4126312993224,4cyclictest0-21swapper/320:30:263
4126312993223,6cyclictest0-21swapper/323:40:013
4126308993223,5cyclictest0-21swapper/220:35:192
4126308993222,6cyclictest0-21swapper/223:20:172
4126308993222,6cyclictest0-21swapper/222:55:282
4126303993224,6cyclictest4140518-21kworker/u8:1+events_unbound20:22:201
4126303993220,4cyclictest131rcu_preempt21:31:151
4126303993219,4cyclictest131rcu_preempt20:15:121
4126303993218,4cyclictest131rcu_preempt22:24:521
4126303993218,4cyclictest131rcu_preempt22:24:521
4126303993213,4cyclictest131rcu_preempt21:41:231
4126303993213,11cyclictest131rcu_preempt21:35:241
4126299993225,5cyclictest38032-21kworker/u8:0+events_unbound00:13:250
4126299993225,3cyclictest38032-21kworker/u8:0+events_unbound00:39:070
4126299993224,5cyclictest4130034-21unixbench_singl19:15:270
4126312993125,4cyclictest4135700-21kworker/u8:2+events_unbound19:37:133
4126312993125,4cyclictest4135700-21kworker/u8:2+events_unbound19:37:123
4126312993123,6cyclictest39961-21kworker/u8:2+events_unbound00:25:293
4126312993121,6cyclictest0-21swapper/323:40:183
4126308993124,3cyclictest0-21swapper/223:10:162
4126308993124,3cyclictest0-21swapper/223:10:152
4126308993123,4cyclictest0-21swapper/219:50:272
4126308993122,6cyclictest0-21swapper/222:05:012
4126308993121,7cyclictest4180989-21sh21:45:012
4126308993121,6cyclictest0-21swapper/223:45:252
4126308993121,6cyclictest0-21swapper/221:25:252
4126308993121,6cyclictest0-21swapper/220:55:012
412630399318,14cyclictest24-21ksoftirqd/122:40:021
412630399317,13cyclictest24-21ksoftirqd/121:55:191
4126303993118,3cyclictest131rcu_preempt21:13:251
4126303993118,3cyclictest131rcu_preempt21:13:251
4126303993117,5cyclictest131rcu_preempt00:25:281
4126303993117,4cyclictest4151617-21kworker/u8:0-events_unbound20:31:111
4126303993116,3cyclictest131rcu_preempt22:01:391
4126303993114,5cyclictest131rcu_preempt19:25:301
4126303993114,4cyclictest131rcu_preempt20:58:451
4126303993111,10cyclictest131rcu_preempt23:19:191
412630399310,8cyclictest0-21swapper/120:35:151
4126299993121,6cyclictest0-21swapper/020:30:250
4126312993019,6cyclictest0-21swapper/319:20:303
4126308993023,3cyclictest0-21swapper/220:40:202
4126308993022,4cyclictest0-21swapper/222:30:282
4126308993019,7cyclictest0-21swapper/220:25:002
4126308993019,7cyclictest0-21swapper/219:15:012
4126308993019,7cyclictest0-21swapper/219:15:002
4126303993018,5cyclictest131rcu_preempt22:30:001
4126303993016,4cyclictest131rcu_preempt19:30:321
4126303993016,10cyclictest4139520-21awk19:45:141
4126303993015,5cyclictest131rcu_preempt22:52:521
4126303993015,4cyclictest131rcu_preempt23:39:211
4126303993012,4cyclictest131rcu_preempt00:30:221
4126303993012,4cyclictest131rcu_preempt00:30:221
4126303993011,5cyclictest131rcu_preempt19:40:231
4126299993022,5cyclictest39616-21unixbench_multi00:15:270
4126299993022,5cyclictest39616-21unixbench_multi00:15:270
412629999302,24cyclictest4162215-21sh20:50:010
4126299993022,4cyclictest0-21swapper/020:15:190
4126299993020,6cyclictest4186500-21tune2fs22:00:180
4126299993019,7cyclictest4194201-21grep22:20:270
4126299993019,7cyclictest4194201-21grep22:20:270
4126312992922,4cyclictest0-21swapper/319:40:253
4126312992922,3cyclictest0-21swapper/319:55:013
4126312992921,6cyclictest19511-21kworker/u8:1+events_unbound23:32:543
4126312992921,4cyclictest0-21swapper/323:55:273
4126312992921,4cyclictest0-21swapper/323:20:263
4126308992922,4cyclictest4192918-21latency_hist22:20:002
4126308992921,5cyclictest4137488-21munin-plugin-st19:40:012
4126308992921,5cyclictest4137488-21munin-plugin-st19:40:012
4126308992921,4cyclictest0-21swapper/223:55:002
4126308992921,4cyclictest0-21swapper/222:40:262
4126308992921,4cyclictest0-21swapper/220:30:262
4126308992921,4cyclictest0-21swapper/219:20:012
4126308992920,4cyclictest0-21swapper/200:15:282
4126308992920,4cyclictest0-21swapper/200:15:282
4126303992922,5cyclictest4172078-21kworker/u8:0+events_unbound21:20:431
4126303992920,7cyclictest9142-21kworker/u8:3+events_unbound23:02:001
4126303992919,6cyclictest0-21swapper/122:09:591
4126303992912,10cyclictest131rcu_preempt20:10:181
4126299992923,3cyclictest0-21swapper/022:17:380
4126299992920,6cyclictest4166899-21grep21:00:260
4126299992920,6cyclictest12795-21sendmail23:00:000
4126299992920,4cyclictest4173723-21unixbench_multi21:20:270
4126299992919,6cyclictest4190736-21grep22:10:250
4126299992918,7cyclictest0-21swapper/019:15:010
4126299992918,7cyclictest0-21swapper/019:15:010
4126312992822,3cyclictest0-21swapper/320:15:293
4126312992820,5cyclictest0-21swapper/321:10:273
4126312992820,5cyclictest0-21swapper/321:10:273
4126312992820,4cyclictest0-21swapper/319:55:283
4126312992820,4cyclictest0-21swapper/319:35:013
4126312992820,4cyclictest0-21swapper/319:15:013
4126312992820,4cyclictest0-21swapper/319:15:013
4126312992819,6cyclictest4172445-21sh21:20:003
4126312992819,6cyclictest4172445-21sh21:20:003
4126312992818,4cyclictest0-21swapper/323:00:273
4126308992821,4cyclictest4184405-21munin-plugin-st21:55:002
4126308992820,4cyclictest0-21swapper/222:25:272
4126308992819,6cyclictest4169047-21diskmemload21:10:002
4126308992818,6cyclictest0-21swapper/223:25:282
4126299992822,3cyclictest0-21swapper/000:05:270
4126299992816,7cyclictest41781-21sshd00:24:540
4126312992720,3cyclictest0-21swapper/300:35:263
4126312992719,5cyclictest4163913-21apt20:55:013
4126312992719,4cyclictest0-21swapper/321:50:263
4126308992720,4cyclictest0-21swapper/222:10:262
4126308992719,4cyclictest0-21swapper/200:25:262
4126299992720,4cyclictest637-21runrttasks23:45:010
4126299992720,4cyclictest0-21swapper/022:25:270
4126299992720,3cyclictest0-21swapper/019:45:000
4126299992719,4cyclictest0-21swapper/022:50:260
4126312992619,3cyclictest0-21swapper/300:20:003
4126312992619,3cyclictest0-21swapper/300:20:003
4126312992618,4cyclictest0-21swapper/322:30:183
4126312992617,6cyclictest4134073-21sh19:30:013
4126308992618,6cyclictest4165267-21kworker/u8:2+events_unbound20:58:422
4126308992618,5cyclictest0-21swapper/223:35:012
4126308992618,5cyclictest0-21swapper/200:35:262
4126308992617,7cyclictest4149136-21ntp_kernel_pll_20:10:242
4126299992617,4cyclictest0-21swapper/020:55:010
4126299992615,7cyclictest31095-21grep23:50:270
4126299992612,2cyclictest0-21swapper/021:35:020
4126312992517,5cyclictest0-21swapper/323:45:253
4126312992517,5cyclictest0-21swapper/321:35:163
4126312992515,7cyclictest12812-21sendmail23:00:003
4126308992517,5cyclictest0-21swapper/220:15:182
4126308992516,6cyclictest0-21swapper/219:25:302
4126308992515,7cyclictest0-21swapper/223:45:002
4126308992515,6cyclictest0-21swapper/221:20:002
4126308992515,6cyclictest0-21swapper/221:20:002
4126299992518,4cyclictest5764-21sh22:40:000
4126299992518,4cyclictest13650irq/42-30be0000.ethernet21:25:170
4126299992518,4cyclictest13650irq/42-30be0000.ethernet21:20:000
4126299992518,4cyclictest13650irq/42-30be0000.ethernet21:19:590
4126299992518,4cyclictest0-21swapper/023:15:260
4126299992518,3cyclictest0-21swapper/022:44:060
4126299992517,5cyclictest0-21swapper/020:20:280
4126299992517,4cyclictest440-21cron21:40:010
4126299992517,3cyclictest0-21swapper/019:50:190
4126299992515,6cyclictest4189077-21grep22:05:270
412629999251,4cyclictest0-21swapper/019:25:260
412629999251,20cyclictest0-21swapper/021:07:020
412629999251,11cyclictest4181011-21basename21:45:000
4126312992417,3cyclictest0-21swapper/322:00:183
4126312992416,5cyclictest0-21swapper/322:35:163
4126312992416,5cyclictest0-21swapper/321:45:173
4126312992416,5cyclictest0-21swapper/320:50:013
4126312992416,5cyclictest0-21swapper/320:20:283
4126312992416,5cyclictest0-21swapper/300:05:003
4126312992411,9cyclictest4166933-21grep21:00:263
4126308992418,3cyclictest0-21swapper/223:55:272
4126308992417,4cyclictest0-21swapper/222:50:252
4126308992416,5cyclictest0-21swapper/220:05:272
4126308992416,5cyclictest0-21swapper/219:40:262
4126299992416,4cyclictest4132371-21cron19:25:010
412629999241,19cyclictest0-21swapper/021:53:170
412629999241,19cyclictest0-21swapper/020:41:040
412629999241,19cyclictest0-21swapper/020:36:020
4126312992317,3cyclictest0-21swapper/321:05:233
4126312992316,5cyclictest0-21swapper/322:50:013
4126312992316,3cyclictest19621-21sh23:20:003
4126312992315,5cyclictest0-21swapper/321:20:263
4126312992315,4cyclictest0-21swapper/319:45:163
4126308992317,3cyclictest0-21swapper/223:15:132
4126308992315,5cyclictest0-21swapper/221:30:192
4126308992313,7cyclictest215-21dbus-daemon21:57:332
4126299992318,3cyclictest19511-21kworker/u8:1-events_power_efficient23:30:250
4126299992316,4cyclictest4140895-21sh19:50:000
412629999231,18cyclictest0-21swapper/023:26:470
412629999231,18cyclictest0-21swapper/021:45:460
4126312992215,4cyclictest0-21swapper/321:40:253
4126312992214,5cyclictest0-21swapper/320:40:303
4126312992213,6cyclictest4155316-21latency_hist20:30:013
4126308992216,3cyclictest0-21swapper/200:05:272
4126308992215,3cyclictest0-21swapper/200:13:192
4126299992216,3cyclictest0-21swapper/023:45:250
4126299992215,3cyclictest0-21swapper/023:21:130
4126299992215,3cyclictest0-21swapper/022:45:190
4126299992214,4cyclictest0-21swapper/023:10:160
4126299992214,4cyclictest0-21swapper/023:10:160
412629999221,19cyclictest0-21swapper/022:32:350
412629999221,19cyclictest0-21swapper/019:34:280
4126299992210,9cyclictest33958-21memory00:00:230
412629999220,18cyclictest0-21swapper/021:10:550
412629999220,18cyclictest0-21swapper/021:10:550
4126312992112,6cyclictest4192652-21cron22:16:593
4126312992112,6cyclictest0-21swapper/322:20:193
4126312992112,6cyclictest0-21swapper/322:20:193
4126312992111,8cyclictest37815-21wc00:10:243
4126308992115,3cyclictest0-21swapper/221:00:272
4126308992113,6cyclictest311ktimers/220:25:152
412629999211,3cyclictest0-21swapper/020:12:150
412629999210,19cyclictest0-21swapper/000:32:500
412629999210,19cyclictest0-21swapper/000:32:500
4126312992015,2cyclictest0-21swapper/323:50:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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