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2026-08-10 - 00:21

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 Sun Aug 09, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3139934994833,11cyclictest311ktimers/210:15:132
3139934994833,11cyclictest311ktimers/210:15:122
3139930994740,5cyclictest3244874-21kworker/u8:1+events_unbound12:20:141
3139930994736,8cyclictest438-21cron11:19:591
3139934994538,4cyclictest3152416-21munin-plugin-st07:45:002
3139934994533,7cyclictest0-21swapper/210:25:002
3139930994432,8cyclictest3145596-21cut07:25:011
3139930994336,5cyclictest3173427-21kworker/u8:0+events_unbound08:54:321
3139930994336,5cyclictest3173427-21kworker/u8:0+events_unbound08:54:311
3139930994336,4cyclictest3147293-21munin-plugin-st07:30:001
3139939994234,4cyclictest0-21swapper/311:00:013
313993999421,6cyclictest131rcu_preempt10:20:123
3139934994028,8cyclictest3154037-21sshd07:49:192
3139939993929,6cyclictest0-21swapper/312:40:013
3139930993928,7cyclictest3185011-21sh09:20:011
3139939993829,6cyclictest0-21swapper/312:20:153
3139939993829,5cyclictest0-21swapper/312:20:003
3139939993828,5cyclictest0-21swapper/310:15:163
3139939993828,5cyclictest0-21swapper/310:15:163
3139934993830,5cyclictest0-21swapper/207:40:002
3139939993729,4cyclictest0-21swapper/307:15:013
3139934993730,4cyclictest0-21swapper/208:20:012
3139930993730,5cyclictest3181385-21kworker/u8:0+events_unbound09:11:411
3139930993726,8cyclictest3174358-21grep08:45:271
3139930993726,6cyclictest0-21swapper/111:50:261
3139930993723,10cyclictest231ktimers/109:40:151
313993099371,14cyclictest24-21ksoftirqd/109:30:131
3139939993625,7cyclictest0-21swapper/309:55:003
3139939993625,7cyclictest0-21swapper/307:49:203
3139934993615,3cyclictest131rcu_preempt09:40:162
3139930993627,4cyclictest0-21swapper/109:00:011
3139930993625,8cyclictest3218920-21head10:55:261
3139939993529,4cyclictest3222703-21kworker/u8:2+events_unbound11:14:593
3139939993529,4cyclictest3222703-21kworker/u8:2+events_unbound11:14:583
3139939993528,5cyclictest3248362-21kworker/u8:2+events_unbound12:25:153
3139939993525,6cyclictest0-21swapper/308:15:013
3139939993522,10cyclictest391ktimers/310:35:123
3139934993525,6cyclictest0-21swapper/212:10:002
3139930993527,4cyclictest0-21swapper/110:40:011
3139925993524,7cyclictest3178173-21cron09:00:000
3139939993427,4cyclictest3160929-21munin-plugin-st08:10:013
3139939993426,4cyclictest0-21swapper/310:40:163
3139939993426,4cyclictest0-21swapper/309:40:013
3139939993424,6cyclictest0-21swapper/307:30:003
3139939993423,7cyclictest3239531-21grep11:55:233
3139934993426,6cyclictest3222703-21kworker/u8:2+events_unbound11:20:002
3139934993425,6cyclictest3145147-21grep07:20:252
3139934993424,6cyclictest0-21swapper/209:45:282
3139930993419,11cyclictest231ktimers/107:45:131
3139939993326,4cyclictest3179469-21unixbench_singl09:00:273
3139939993326,4cyclictest3145592-21idleruntime-cro07:25:023
3139939993324,6cyclictest0-21swapper/308:35:003
3139934993325,5cyclictest0-21swapper/208:15:002
3139930993324,5cyclictest3253678-21sendmail12:40:001
3139930993324,5cyclictest0-21swapper/112:10:151
3139934993225,3cyclictest0-21swapper/211:10:002
3139934993224,4cyclictest0-21swapper/209:10:172
3139934993224,4cyclictest0-21swapper/207:30:302
3139934993223,6cyclictest0-21swapper/209:30:272
3139934993222,7cyclictest3219335-21sh11:00:002
3139934993222,6cyclictest0-21swapper/210:25:242
3139934993222,6cyclictest0-21swapper/207:10:272
3139934993221,7cyclictest0-21swapper/208:50:282
3139934993221,7cyclictest0-21swapper/208:50:282
3139934993221,6cyclictest0-21swapper/209:05:272
3139930993226,3cyclictest0-21swapper/107:15:041
3139930993224,4cyclictest0-21swapper/111:05:171
3139930993220,8cyclictest231ktimers/112:05:131
3139930993218,10cyclictest1-21systemd11:04:561
3139930993216,9cyclictest3195598-21df09:50:151
3139930993215,12cyclictest204-21dbus-daemon10:24:471
3139939993120,5cyclictest3222703-21kworker/u8:2+events_unbound11:40:043
3139934993125,4cyclictest3139916-21cyclictest11:55:142
3139934993124,3cyclictest0-21swapper/207:25:262
3139934993123,4cyclictest0-21swapper/210:35:272
3139934993121,6cyclictest3198421-21grep09:55:252
313993099316,4cyclictest0-21swapper/112:15:131
3139930993121,5cyclictest0-21swapper/108:10:261
3139930993120,8cyclictest3227645-21grep11:20:241
3139930993118,9cyclictest231ktimers/110:15:131
3139930993118,9cyclictest231ktimers/110:15:131
3139930993118,8cyclictest3239549-21grep11:55:231
3139930993113,5cyclictest131rcu_preempt08:00:141
3139930993113,5cyclictest131rcu_preempt08:00:141
3139925993122,5cyclictest0-21swapper/009:00:180
3139925993120,6cyclictest3219567-21apt-key11:00:010
3139939993022,4cyclictest0-21swapper/310:00:313
3139939993022,4cyclictest0-21swapper/307:40:173
3139939993020,6cyclictest0-21swapper/310:10:243
3139939993020,6cyclictest0-21swapper/309:40:283
3139934993024,3cyclictest0-21swapper/208:40:002
3139934993023,3cyclictest0-21swapper/211:40:002
3139934993022,5cyclictest0-21swapper/212:40:002
3139934993022,5cyclictest0-21swapper/207:20:012
313993499301,5cyclictest131rcu_preempt11:40:112
3139930993024,4cyclictest3174729-21kworker/u8:3+events_unbound09:08:401
3139930993024,4cyclictest3137796-21kworker/u8:0+events_unbound07:10:421
3139930993022,4cyclictest0-21swapper/111:35:271
3139930993015,9cyclictest231ktimers/111:40:111
3139925993023,4cyclictest0-21swapper/008:45:270
3139925993022,4cyclictest0-21swapper/008:15:250
3139925993020,6cyclictest0-21swapper/008:00:000
313993999295,6cyclictest131rcu_preempt10:05:143
3139939992921,5cyclictest3220786-21unixbench_multi11:00:253
3139939992917,9cyclictest391ktimers/311:05:133
3139934992921,5cyclictest0-21swapper/209:00:002
3139934992921,4cyclictest311ktimers/210:10:132
3139934992919,6cyclictest3251502-21grep12:30:262
3139934992919,6cyclictest0-21swapper/210:05:262
3139930992923,4cyclictest3224807-21latency_hist11:15:011
3139930992923,4cyclictest3224807-21latency_hist11:15:001
3139930992921,4cyclictest0-21swapper/108:20:161
313993099292,11cyclictest24-21ksoftirqd/107:55:121
3139930992920,6cyclictest231ktimers/110:30:131
3139925992922,4cyclictest0-21swapper/009:15:260
3139925992922,3cyclictest0-21swapper/009:15:000
3139925992921,5cyclictest3226386-21sh11:20:000
3139939992822,3cyclictest0-21swapper/312:10:263
3139939992822,3cyclictest0-21swapper/310:25:253
3139939992821,3cyclictest0-21swapper/307:30:193
3139939992820,5cyclictest0-21swapper/309:05:263
3139939992819,6cyclictest0-21swapper/311:15:173
3139934992822,3cyclictest0-21swapper/211:50:272
313993099289,3cyclictest131rcu_preempt10:05:121
3139930992821,5cyclictest3222703-21kworker/u8:2+events_unbound11:26:411
3139930992820,5cyclictest3160796-21kworker/u8:1+events_unbound08:19:251
3139925992822,4cyclictest0-21swapper/007:40:280
3139925992821,4cyclictest13850irq/36-mmc108:25:000
3139925992821,4cyclictest0-21swapper/010:20:260
3139925992821,3cyclictest0-21swapper/012:05:260
3139939992721,3cyclictest0-21swapper/309:20:133
3139939992721,3cyclictest0-21swapper/307:50:263
3139939992720,5cyclictest391ktimers/308:35:283
3139939992719,5cyclictest645-21runrttasks08:45:143
3139939992718,6cyclictest0-21swapper/307:55:263
313993999271,16cyclictest0-21swapper/311:28:003
3139934992721,3cyclictest0-21swapper/212:20:252
3139934992719,5cyclictest0-21swapper/211:10:262
3139934992719,5cyclictest0-21swapper/211:10:262
3139934992719,5cyclictest0-21swapper/209:55:002
3139934992716,8cyclictest3249362-21ntp_states12:25:222
313993099277,10cyclictest0-21swapper/109:00:201
3139930992721,4cyclictest3203725-21kworker/u8:2+events_unbound10:28:451
3139930992719,4cyclictest0-21swapper/109:20:281
3139930992718,6cyclictest3251542-21grep12:30:271
3139930992717,6cyclictest0-21swapper/107:35:261
3139930992717,5cyclictest0-21swapper/108:35:171
3139930992716,8cyclictest629-21snmpd08:07:231
3139930992716,7cyclictest3214228-21cron10:45:011
3139930992716,3cyclictest131rcu_preempt09:35:111
3139925992721,3cyclictest0-21swapper/007:50:250
3139925992720,4cyclictest0-21swapper/009:30:270
3139925992720,3cyclictest0-21swapper/012:35:260
313992599270,24cyclictest0-21swapper/010:50:140
3139939992619,4cyclictest0-21swapper/310:55:013
3139939992619,3cyclictest0-21swapper/308:55:003
3139939992619,3cyclictest0-21swapper/308:55:003
3139939992617,5cyclictest0-21swapper/311:45:243
3139939992614,7cyclictest0-21swapper/312:30:263
3139934992620,3cyclictest0-21swapper/207:55:002
3139934992619,4cyclictest0-21swapper/211:30:272
3139934992619,4cyclictest0-21swapper/209:25:262
3139934992619,4cyclictest0-21swapper/209:20:262
3139934992619,3cyclictest0-21swapper/210:00:302
3139934992617,6cyclictest0-21swapper/209:05:002
3139934992616,6cyclictest0-21swapper/208:30:272
3139934992615,8cyclictest32-21ksoftirqd/210:40:172
313993099269,8cyclictest3215460-21grep10:45:271
313993099262,4cyclictest131rcu_preempt11:45:101
3139930992619,5cyclictest380-21ntpd10:01:001
3139930992616,6cyclictest3203991-21auditctl10:15:001
3139925992620,3cyclictest0-21swapper/009:40:280
3139925992620,3cyclictest0-21swapper/009:30:000
3139925992619,5cyclictest3147129-21kworker/u8:2+events_unbound07:30:190
3139925992619,4cyclictest0-21swapper/012:19:590
3139925992619,3cyclictest0-21swapper/012:00:260
3139925992618,4cyclictest3212517-21kthreadd10:40:000
3139925992618,4cyclictest208-21systemd-logind07:39:170
3139925992618,4cyclictest0-21swapper/012:00:000
3139925992618,4cyclictest0-21swapper/008:29:260
3139925992617,6cyclictest3227681-21unixbench_singl11:20:240
313992599261,5cyclictest3250596-21df12:30:150
313992599261,22cyclictest3141657-21munin-node07:15:010
313993999254,4cyclictest32097862grep10:30:203
3139939992519,4cyclictest3181385-21kworker/u8:0+events_unbound09:14:363
3139939992518,4cyclictest0-21swapper/308:00:273
3139939992518,4cyclictest0-21swapper/308:00:273
3139939992515,7cyclictest3167948-21cron08:30:003
3139939992515,6cyclictest0-21swapper/308:15:253
313993999251,21cyclictest3233410-21date11:40:013
3139934992519,3cyclictest0-21swapper/210:50:152
3139934992518,4cyclictest0-21swapper/208:10:002
3139934992517,5cyclictest0-21swapper/211:50:002
3139934992516,5cyclictest0-21swapper/212:15:272
313993499251,4cyclictest3173311-21apt-get08:45:132
313993099257,10cyclictest24-21ksoftirqd/111:30:181
3139925992519,3cyclictest3209118-21kthreadd10:29:590
3139925992519,3cyclictest0-21swapper/011:45:150
3139925992517,4cyclictest3233191-21auditctl11:40:000
3139925992517,4cyclictest0-21swapper/008:10:010
3139925992512,8cyclictest0-21swapper/010:10:000
313992599251,21cyclictest3210807-21cron10:35:000
3139939992416,4cyclictest0-21swapper/307:15:163
313993499247,9cyclictest131rcu_preempt12:10:192
3139934992414,7cyclictest3221446-21date11:05:012
3139934992414,7cyclictest3172174-21ntp_states08:40:212
313993099246,10cyclictest24-21ksoftirqd/109:45:131
3139930992417,5cyclictest3215841-21kworker/u8:2+events_unbound10:51:161
3139930992417,5cyclictest3147129-21kworker/u8:2+events_unbound07:40:251
3139930992417,4cyclictest0-21swapper/107:50:161
3139930992416,4cyclictest0-21swapper/109:25:171
3139930992413,7cyclictest0-21swapper/108:30:241
313992599243,3cyclictest3223204-21apt-get11:10:130
313992599243,3cyclictest3223204-21apt-get11:10:120
3139925992418,4cyclictest13550irq/42-30be0000.ethernet10:10:290
3139925992418,3cyclictest0-21swapper/011:50:210
3139925992418,3cyclictest0-21swapper/010:00:250
3139925992417,3cyclictest0-21swapper/008:34:270
3139925992416,5cyclictest0-21swapper/010:00:010
3139925992414,6cyclictest3191860-21tr09:40:000
313992599241,3cyclictest3213215-21meminfo10:40:200
3139925992412,4cyclictest438-21cron07:30:000
313992599241,20cyclictest0-21swapper/008:11:440
313992599241,19cyclictest0-21swapper/011:29:470
313992599241,19cyclictest0-21swapper/011:02:010
313992599241,19cyclictest0-21swapper/010:47:530
313992599241,19cyclictest0-21swapper/009:45:540
313992599241,19cyclictest0-21swapper/009:24:280
313992599241,19cyclictest0-21swapper/008:51:140
313992599241,19cyclictest0-21swapper/008:51:140
313992599241,19cyclictest0-21swapper/008:37:230
3139939992317,3cyclictest0-21swapper/308:55:243
3139939992317,3cyclictest0-21swapper/308:20:143
3139939992317,3cyclictest0-21swapper/307:40:003
3139939992314,6cyclictest0-21swapper/308:40:223
3139934992317,4cyclictest3229792-21auditctl11:30:012
3139934992317,3cyclictest0-21swapper/211:20:242
313993499231,19cyclictest3214923-21wc10:45:202
313993099232,11cyclictest2022911-21kworker/1:2+mm_percpu_wq07:30:131
3139930992317,4cyclictest3240375-21kworker/u8:2+events_unbound12:01:571
3139930992316,4cyclictest3167952-21sh08:30:011
3139930992314,5cyclictest0-21swapper/112:25:171
313992599231,9cyclictest3205728-21awk10:20:000
313992599231,9cyclictest3205728-21awk10:20:000
313992599231,8cyclictest3249582-21sort12:25:250
3139925992317,3cyclictest13850irq/36-mmc107:50:010
3139925992317,3cyclictest0-21swapper/007:20:020
3139925992316,3cyclictest0-21swapper/007:21:260
313992599231,18cyclictest0-21swapper/009:54:560
3139939992216,4cyclictest3139916-21cyclictest12:05:003
3139934992216,3cyclictest0-21swapper/209:35:202
3139934992215,4cyclictest0-21swapper/212:00:162
3139934992214,5cyclictest3209921-21ntp_states10:30:242
3139934992212,6cyclictest0-21swapper/208:25:272
3139930992214,6cyclictest3171601-21kworker/u8:2+events_unbound08:40:201
3139930992212,6cyclictest3198869-21apt10:00:001
3139925992217,3cyclictest0-21swapper/012:11:290
3139925992216,3cyclictest3248660-21latency_hist12:25:010
3139925992216,3cyclictest13850irq/36-mmc111:45:010
3139925992215,3cyclictest0-21swapper/011:30:260
313992599221,3cyclictest0-21swapper/009:05:150
313992599221,3cyclictest0-21swapper/008:03:260
313992599221,3cyclictest0-21swapper/008:03:250
313992599221,19cyclictest0-21swapper/008:41:390
313992599220,3cyclictest3222671-21sshd11:06:320
3139939992115,3cyclictest0-21swapper/311:20:163
3139939992115,3cyclictest0-21swapper/310:45:233
3139939992114,4cyclictest0-21swapper/309:45:273
3139939992112,7cyclictest3181385-21kworker/u8:0+events_unbound09:33:383
313993499212,10cyclictest131rcu_preempt09:20:022
3139934992115,4cyclictest311ktimers/207:57:382
3139934992111,7cyclictest3165246-21wc08:20:212
313993999203,8cyclictest131rcu_preempt09:55:163
3139939992013,3cyclictest3188427-21cron09:30:003
3139939991912,5cyclictest391ktimers/312:05:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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