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2026-07-09 - 08:29

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 Thu Jul 09, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3159935995647,5cyclictest3184077-21unixbench_multi20:15:243
3159935995137,10cyclictest391ktimers/320:00:133
3159931995038,9cyclictest3271582-21grep00:30:252
3159924994937,7cyclictest3186257-21cron20:25:010
3159929994738,6cyclictest3181348-21fschecks_time20:10:161
3159931994634,8cyclictest311ktimers/220:50:132
3159929994635,8cyclictest3229127-21idleruntime-cro22:30:011
3159924994537,4cyclictest3263467-21idleruntime-cro00:10:000
3159924994434,6cyclictest3210344-21cron21:34:590
3159935994333,6cyclictest3271580-21unixbench_singl00:30:243
3159935994328,11cyclictest391ktimers/322:40:133
3159931994235,4cyclictest3217165-21cron21:55:002
3159931994235,4cyclictest3179228-21idleruntime-cro20:05:012
3159929994029,8cyclictest3201826-21cron21:10:011
3159935993930,5cyclictest3205233-21cron21:20:013
3159929993926,9cyclictest0-21swapper/123:59:591
3159924993932,4cyclictest3198101-21kworker/u8:1+events_unbound21:06:060
3159935993825,10cyclictest391ktimers/323:00:123
3159929993831,4cyclictest3254911-21cron23:45:001
3159929993828,8cyclictest0-21swapper/119:15:121
3159924993831,4cyclictest0-21swapper/021:45:000
3159924993831,4cyclictest0-21swapper/021:45:000
3159924993828,7cyclictest3256152-21grep23:45:260
3159924993826,7cyclictest3204747-21grep21:15:260
3159931993730,4cyclictest3182641-21cut20:15:002
3159929993730,4cyclictest3184571-21idleruntime-cro20:20:011
3159929993727,7cyclictest0-21swapper/121:35:001
3159935993621,11cyclictest391ktimers/320:35:123
3159931993629,4cyclictest3225689-21cron22:20:012
3159931993628,5cyclictest3248092-21cron23:25:002
3159929993628,4cyclictest0-21swapper/121:46:141
3159929993627,6cyclictest0-21swapper/123:00:251
3159929993625,7cyclictest3170682-21sh19:40:011
3159924993630,4cyclictest3186059-21kworker/u8:1+events_unbound20:36:010
3159924993626,7cyclictest3208186-21grep21:25:230
3159935993527,4cyclictest0-21swapper/321:49:593
3159935993527,4cyclictest0-21swapper/321:35:153
3159935993527,4cyclictest0-21swapper/321:35:153
3159931993527,5cyclictest3200112-21cron21:05:012
3159931993527,5cyclictest3163868-21cron19:20:002
3159931993524,8cyclictest3212077-21sendmail21:39:592
3159931993524,8cyclictest3212077-21sendmail21:39:592
3159929993526,5cyclictest0-21swapper/122:35:001
3159929993525,7cyclictest3271518-21grep00:30:251
3159929993525,6cyclictest0-21swapper/121:55:001
3159929993525,6cyclictest0-21swapper/119:50:241
3159929993524,7cyclictest0-21swapper/119:15:021
3159924993529,4cyclictest3248081-21kworker/u8:1+events_unbound23:35:410
3159935993427,4cyclictest3174106-21auditctl19:50:013
3159935993424,6cyclictest0-21swapper/321:00:003
3159931993424,6cyclictest0-21swapper/221:20:262
3159931993423,6cyclictest0-21swapper/223:30:252
3159929993428,4cyclictest3270294-21cron00:30:011
3159929993425,6cyclictest0-21swapper/123:55:001
3159935993325,5cyclictest3273868-21apt-config00:40:003
3159935993325,4cyclictest0-21swapper/319:40:003
3159935993324,4cyclictest0-21swapper/323:26:333
3159931993323,7cyclictest0-21swapper/222:10:012
3159931993323,6cyclictest0-21swapper/219:50:002
3159931993322,7cyclictest0-21swapper/223:26:322
3159929993325,4cyclictest0-21swapper/120:30:271
3159929993324,6cyclictest0-21swapper/122:45:001
3159924993324,7cyclictest121ktimers/019:40:120
3159924993323,4cyclictest0-21swapper/022:40:000
3159924993321,7cyclictest0-21swapper/019:10:260
3159935993224,4cyclictest0-21swapper/323:52:573
3159935993224,4cyclictest0-21swapper/300:25:163
3159935993222,7cyclictest438-21cron23:25:013
3159935993219,9cyclictest391ktimers/319:20:123
3159931993225,4cyclictest0-21swapper/223:00:002
3159931993224,4cyclictest0-21swapper/200:10:232
3159931993222,7cyclictest3244667-21cron23:15:012
3159931993222,6cyclictest0-21swapper/222:50:262
3159931993222,6cyclictest0-21swapper/220:05:262
3159931993222,6cyclictest0-21swapper/219:55:152
3159931993221,7cyclictest0-21swapper/219:40:252
3159931993221,7cyclictest0-21swapper/219:10:262
3159931993221,6cyclictest0-21swapper/223:45:252
3159931993221,6cyclictest0-21swapper/219:30:262
3159929993223,6cyclictest3166014-21tune2fs19:25:141
3159929993223,6cyclictest0-21swapper/100:20:011
3159924993224,4cyclictest0-21swapper/021:45:250
3159924993224,4cyclictest0-21swapper/000:25:010
3159924993221,7cyclictest3226996-21grep22:20:250
3159935993123,5cyclictest3226935-21unixbench_multi22:20:233
3159935993119,7cyclictest0-21swapper/322:20:003
3159935993119,7cyclictest0-21swapper/320:50:263
3159931993125,4cyclictest3256468-21kworker/u8:3+events_unbound23:58:162
3159931993124,4cyclictest0-21swapper/222:20:152
3159929993123,5cyclictest0-21swapper/123:10:001
3159929993123,4cyclictest0-21swapper/119:40:161
3159929993122,6cyclictest0-21swapper/100:00:161
3159929993122,6cyclictest0-21swapper/100:00:151
3159929993121,6cyclictest0-21swapper/100:10:241
3159929993118,9cyclictest231ktimers/121:40:101
3159929993118,9cyclictest231ktimers/121:40:101
3159924993125,4cyclictest3218847-21kworker/u8:2+events_unbound22:31:220
3159924993124,4cyclictest3225703-21munin-plugin-st22:20:000
3159924993124,4cyclictest0-21swapper/023:20:000
3159924993123,4cyclictest3167280-21cron19:30:010
3159924993122,5cyclictest3195395-21fschecks_count20:50:160
3159935993022,4cyclictest0-21swapper/323:40:253
3159935993022,4cyclictest0-21swapper/323:30:253
3159935993022,4cyclictest0-21swapper/322:00:263
3159935993019,7cyclictest0-21swapper/322:10:163
3159931993025,3cyclictest3266889-21idleruntime-cro00:20:002
3159931993023,3cyclictest0-21swapper/222:45:242
3159929993023,4cyclictest3261975-21kworker/u8:0+events_unbound00:08:261
3159929993022,4cyclictest0-21swapper/123:15:161
3159929993020,6cyclictest0-21swapper/123:35:261
3159929993018,8cyclictest3178764-21grep20:00:271
3159924993023,4cyclictest0-21swapper/019:35:220
3159924993021,6cyclictest121ktimers/020:00:130
3159924993020,6cyclictest0-21swapper/021:50:260
3159924993017,5cyclictest3208459-21kworker/u8:0+events_unbound21:39:190
3159924993017,5cyclictest3208459-21kworker/u8:0+events_unbound21:39:190
315992499301,5cyclictest131rcu_preempt20:30:120
3159924993015,6cyclictest3248081-21kworker/u8:1+events_unbound23:50:560
3159935992921,5cyclictest0-21swapper/323:20:003
3159935992917,7cyclictest0-21swapper/319:10:253
3159931992922,4cyclictest0-21swapper/222:10:262
3159931992922,3cyclictest0-21swapper/222:00:152
3159931992920,6cyclictest0-21swapper/223:35:262
3159931992919,6cyclictest0-21swapper/220:30:172
3159929992921,4cyclictest0-21swapper/122:06:161
3159929992921,4cyclictest0-21swapper/100:35:241
3159929992920,6cyclictest0-21swapper/121:20:001
315992499292,5cyclictest131rcu_preempt20:25:130
3159924992922,4cyclictest0-21swapper/023:10:230
315992499291,4cyclictest131rcu_preempt22:10:110
315992499291,4cyclictest131rcu_preempt00:30:110
3159935992822,3cyclictest0-21swapper/300:00:003
3159935992821,4cyclictest3185011-21fschecks_time20:20:163
3159935992821,4cyclictest0-21swapper/321:30:253
3159931992820,4cyclictest0-21swapper/222:30:002
3159931992819,6cyclictest3232724-21cron22:40:002
3159931992819,6cyclictest0-21swapper/220:40:002
3159931992819,5cyclictest0-21swapper/221:30:172
3159929992821,5cyclictest3192931-21kworker/u8:2+events_unbound21:11:101
3159929992821,3cyclictest0-21swapper/120:45:161
3159929992818,6cyclictest0-21swapper/123:10:241
3159924992822,4cyclictest3248081-21kworker/u8:1+events_unbound23:26:330
3159924992821,5cyclictest3256468-21kworker/u8:3+events_unbound00:15:190
3159924992820,4cyclictest0-21swapper/023:05:010
3159924992818,6cyclictest0-21swapper/019:30:250
315992499281,6cyclictest3163907-21latency_hist19:20:020
315992499280,5cyclictest131rcu_preempt19:50:120
3159935992719,4cyclictest0-21swapper/300:10:153
3159935992717,6cyclictest0-21swapper/319:30:453
3159931992720,4cyclictest0-21swapper/220:25:252
3159931992719,4cyclictest0-21swapper/200:23:282
3159931992718,6cyclictest0-21swapper/200:05:242
3159931992717,6cyclictest0-21swapper/222:00:002
3159929992720,4cyclictest0-21swapper/120:25:151
3159929992719,5cyclictest0-21swapper/120:00:001
3159929992717,6cyclictest0-21swapper/123:20:241
3159929992716,7cyclictest0-21swapper/122:00:011
3159929992713,4cyclictest3248081-21kworker/u8:1+events_unbound23:48:451
3159929992713,10cyclictest3185831-21grep20:20:251
315992999270,5cyclictest131rcu_preempt19:20:101
315992499272,9cyclictest438-21cron21:05:010
3159924992720,3cyclictest0-21swapper/022:00:010
3159924992716,7cyclictest3197952-21grep20:55:240
3159924992715,8cyclictest151rcuc/022:00:130
315993599263,4cyclictest32352422ntp_offset22:45:193
3159935992618,4cyclictest0-21swapper/320:30:263
3159935992618,4cyclictest0-21swapper/320:30:023
3159935992617,5cyclictest0-21swapper/319:15:263
3159935992616,6cyclictest0-21swapper/320:05:253
3159931992620,3cyclictest0-21swapper/220:15:192
3159931992619,3cyclictest0-21swapper/223:00:212
3159931992619,3cyclictest0-21swapper/200:30:012
3159931992617,5cyclictest0-21swapper/219:50:252
3159931992617,4cyclictest0-21swapper/223:16:312
3159931992615,8cyclictest3167285-21latency_hist19:30:012
3159931992613,4cyclictest3203359-21kworker/u8:1+events_unbound21:16:112
3159929992618,5cyclictest0-21swapper/123:00:011
3159929992618,5cyclictest0-21swapper/122:25:011
3159929992614,9cyclictest204-21dbus-daemon19:45:491
315992499267,4cyclictest131rcu_preempt22:05:110
315992499262,16cyclictest3184073-21unixbench_multi20:15:240
3159924992620,3cyclictest0-21swapper/022:40:250
3159924992619,3cyclictest0-21swapper/023:20:160
3159924992616,6cyclictest0-21swapper/020:10:010
315992499261,3cyclictest131rcu_preempt19:55:110
315992499261,21cyclictest0-21swapper/021:10:230
3159935992518,4cyclictest0-21swapper/321:25:013
3159935992518,4cyclictest0-21swapper/300:00:273
3159935992518,4cyclictest0-21swapper/300:00:263
3159935992518,3cyclictest3218877-21kthreadd22:00:013
3159935992517,5cyclictest0-21swapper/319:55:153
3159931992519,4cyclictest3191206-21kworker/u8:0+events_unbound20:46:062
3159931992517,5cyclictest0-21swapper/219:35:162
3159931992516,5cyclictest0-21swapper/220:45:002
3159931992515,6cyclictest0-21swapper/220:20:162
3159929992519,3cyclictest0-21swapper/122:15:011
3159929992517,5cyclictest0-21swapper/121:20:251
3159929992517,5cyclictest0-21swapper/121:00:161
3159929992516,6cyclictest3193294-21sh20:45:011
315992499259,4cyclictest131rcu_preempt22:25:120
315992499258,10cyclictest11-21ksoftirqd/023:05:220
315992499253,15cyclictest3237862-21awk22:55:010
3159924992519,4cyclictest3259935-21kworker/u8:1+events_unbound00:04:460
3159924992519,4cyclictest3259935-21kworker/u8:1+events_unbound00:04:450
3159924992519,3cyclictest13550irq/42-30be0000.ethernet20:45:210
3159924992518,5cyclictest3163564-21kworker/u8:0+events_unbound19:20:450
3159924992518,4cyclictest3238961-21/usr/sbin/munin22:55:260
3159924992517,4cyclictest3273273-21grep00:35:250
315992499251,5cyclictest0-21swapper/022:45:090
3159924992515,6cyclictest0-21swapper/023:40:250
3159924992515,6cyclictest0-21swapper/020:10:210
315992499251,21cyclictest3205620-21fschecks_count21:20:160
3159935992418,4cyclictest3192831-21unixbench_multi20:40:243
3159935992417,4cyclictest0-21swapper/321:25:243
3159935992416,5cyclictest0-21swapper/320:10:163
3159931992418,3cyclictest0-21swapper/221:50:012
315993199241,7cyclictest31976652mailstats20:55:242
3159931992415,7cyclictest311ktimers/223:50:102
315992999248,10cyclictest131rcu_preempt23:26:231
3159929992418,4cyclictest3232506-21kworker/u8:2+events_unbound22:38:091
3159929992418,3cyclictest0-21swapper/122:50:171
3159929992416,5cyclictest0-21swapper/120:55:201
3159929992416,4cyclictest0-21swapper/120:50:251
3159929992415,6cyclictest0-21swapper/122:20:011
315992499241,19cyclictest0-21swapper/023:34:590
3159935992317,3cyclictest0-21swapper/321:05:003
3159935992314,5cyclictest0-21swapper/321:10:163
3159935992313,7cyclictest204-21dbus-daemon20:46:043
3159935992313,6cyclictest3216270-21ntp_states21:50:213
3159935992310,11cyclictest3159917-21cyclictest22:35:123
3159931992315,5cyclictest3213775-21cron21:45:002
3159931992315,5cyclictest3213775-21cron21:45:002
3159931992314,7cyclictest3203001-21wc21:10:242
3159931992314,6cyclictest0-21swapper/222:35:012
3159929992316,5cyclictest3218847-21kworker/u8:2+events_unbound22:04:421
3159929992315,5cyclictest0-21swapper/121:35:211
3159929992315,5cyclictest0-21swapper/121:35:211
3159924992316,3cyclictest0-21swapper/000:25:390
3159924992315,5cyclictest0-21swapper/020:40:240
3159935992216,3cyclictest0-21swapper/322:50:153
3159935992216,3cyclictest0-21swapper/322:30:013
3159935992215,4cyclictest391ktimers/319:50:263
3159935992215,3cyclictest0-21swapper/323:40:003
3159935992214,5cyclictest391ktimers/319:40:243
3159935992214,5cyclictest0-21swapper/323:00:013
3159935992211,8cyclictest3212775-21sed21:40:193
3159935992211,8cyclictest3212775-21sed21:40:193
3159931992214,4cyclictest0-21swapper/219:20:152
3159929992213,6cyclictest3168301-21ls19:30:251
3159929992213,6cyclictest0-21swapper/121:25:151
3159929992212,7cyclictest3191115-21grep20:35:251
3159929992210,8cyclictest3268148-21grep00:20:261
3159924992215,3cyclictest0-21swapper/019:45:480
3159935992114,4cyclictest391ktimers/300:08:023
3159935992112,6cyclictest0-21swapper/323:45:243
3159931992115,4cyclictest3253603-21fschecks_count23:40:172
3159931992115,3cyclictest0-21swapper/223:05:162
3159931992111,7cyclictest3207609-21sed21:25:182
3159929992113,5cyclictest0-21swapper/122:45:241
315993599209,8cyclictest3241593-21awk23:05:143
3159935992015,3cyclictest3165809-21/usr/sbin/munin19:25:173
3159935992014,3cyclictest0-21swapper/322:30:243
3159931992012,5cyclictest311ktimers/222:40:132
3159931992012,5cyclictest0-21swapper/200:35:152
315993599199,7cyclictest0-21swapper/323:10:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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