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2026-08-05 - 14:05

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 Wed Aug 05, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3814815995143,5cyclictest3884633-21cut22:29:593
3814810994838,6cyclictest3861193-21grep21:20:272
3814802994838,6cyclictest0-21swapper/000:40:000
3814806994536,6cyclictest3884630-21ls22:30:001
3814806994536,5cyclictest0-21swapper/120:25:001
3814802994430,9cyclictest3842418-21grep20:25:270
3814806994335,4cyclictest0-21swapper/100:37:331
3814802994333,5cyclictest3920447-21munin-plugin-st00:15:010
3814806994229,10cyclictest231ktimers/121:30:131
3814802994233,5cyclictest3891450-21latency_hist22:50:000
3814806994128,9cyclictest231ktimers/100:10:131
3814810994032,4cyclictest0-21swapper/200:10:002
3814810994029,7cyclictest0-21swapper/220:30:002
3814806994032,5cyclictest3908483-21cron23:40:001
3814802994033,4cyclictest0-21swapper/020:45:140
3814802994032,5cyclictest3905097-21munin-plugin-st23:30:000
3814802994031,4cyclictest0-21swapper/020:10:470
3814802994029,5cyclictest0-21swapper/022:36:140
3814810993933,4cyclictest3880999-21munin-plugin-st22:20:002
3814806993932,4cyclictest53-21kcompactd019:45:271
3814806993932,4cyclictest53-21kcompactd019:45:271
3814802993932,4cyclictest3835428-21kworker/u8:0+events_unbound20:05:480
3814802993927,9cyclictest151rcuc/019:50:140
3814802993828,6cyclictest3896573-21munin-plugin-st23:05:010
3814802993827,7cyclictest3902988-21grep23:20:260
3814815993727,7cyclictest438-21cron20:40:003
3814815993727,7cyclictest438-21cron20:40:003
3814802993730,4cyclictest3853068-21munin-plugin-st21:00:010
3814802993729,6cyclictest3833089-21kworker/u8:3+events_unbound20:00:450
3814802993726,7cyclictest3897851-21grep23:05:270
3814810993630,4cyclictest3859896-21grep21:20:012
3814810993626,6cyclictest0-21swapper/200:30:262
3814806993627,5cyclictest0-21swapper/121:20:171
3814802993626,6cyclictest0-21swapper/000:20:010
3814802993626,6cyclictest0-21swapper/000:20:010
3814815993528,3cyclictest0-21swapper/321:35:183
3814810993527,5cyclictest0-21swapper/220:55:012
3814810993525,6cyclictest0-21swapper/221:05:182
3814806993528,4cyclictest3896565-21auditctl23:05:011
3814802993525,7cyclictest3854773-21sh21:05:010
3814815993425,6cyclictest3840700-21grep20:20:243
3814810993426,4cyclictest0-21swapper/222:30:002
3814810993425,6cyclictest3866315-21unixbench_singl21:35:282
3814810993424,6cyclictest0-21swapper/220:45:232
3814810993423,7cyclictest0-21swapper/222:15:002
3814806993427,4cyclictest0-21swapper/122:50:251
3814806993426,4cyclictest0-21swapper/119:10:161
3814806993425,6cyclictest0-21swapper/120:35:001
3814802993424,5cyclictest0-21swapper/023:00:000
3814802993422,8cyclictest3918310-21grep00:05:280
3814815993327,3cyclictest3877379-21kthreadd22:10:003
3814815993326,5cyclictest3825573-21grep19:40:013
3814815993326,4cyclictest0-21swapper/321:55:163
3814810993324,6cyclictest0-21swapper/219:30:262
3814810993324,5cyclictest3814792-21cyclictest00:38:022
3814810993324,4cyclictest0-21swapper/219:55:452
3814810993323,6cyclictest0-21swapper/219:25:012
3814810993323,6cyclictest0-21swapper/219:10:262
3814806993327,3cyclictest0-21swapper/122:20:001
3814806993326,4cyclictest0-21swapper/100:15:271
3814806993326,4cyclictest0-21swapper/100:15:271
3814806993324,6cyclictest0-21swapper/121:00:011
3814806993323,7cyclictest438-21cron22:40:001
3814806993323,6cyclictest3854355-21grep21:00:271
3814802993325,4cyclictest0-21swapper/020:50:280
3814802993323,6cyclictest0-21swapper/019:25:270
3814802993321,3cyclictest131rcu_preempt22:15:130
3814815993224,4cyclictest0-21swapper/322:50:253
3814815993224,4cyclictest0-21swapper/321:45:253
3814810993225,4cyclictest0-21swapper/222:35:172
3814810993224,4cyclictest0-21swapper/220:40:282
3814806993226,4cyclictest3822014-21kworker/u8:3+events_unbound19:30:411
3814806993225,4cyclictest0-21swapper/120:20:011
3814802993225,4cyclictest3906794-21cron23:35:000
3814815993124,4cyclictest0-21swapper/323:25:233
3814815993124,4cyclictest0-21swapper/319:10:163
3814815993123,4cyclictest0-21swapper/323:55:263
3814815993123,4cyclictest0-21swapper/323:55:263
3814815993123,4cyclictest0-21swapper/323:15:263
3814815993122,6cyclictest3908013-21grep23:35:283
3814810993123,4cyclictest0-21swapper/223:05:182
3814810993121,6cyclictest0-21swapper/223:50:002
3814810993121,6cyclictest0-21swapper/221:35:002
3814810993120,7cyclictest0-21swapper/220:20:232
3814806993121,7cyclictest3848390-21tune2fs20:45:141
3814806993121,6cyclictest0-21swapper/121:55:001
3814802993123,5cyclictest3815968-21grep19:10:260
3814815993023,4cyclictest3863313-21kthreadd21:30:003
3814815993022,4cyclictest0-21swapper/322:49:593
3814815993022,4cyclictest0-21swapper/322:15:263
3814815993022,4cyclictest0-21swapper/319:25:273
3814815993020,6cyclictest0-21swapper/320:00:003
3814810993023,3cyclictest0-21swapper/200:15:272
3814810993023,3cyclictest0-21swapper/200:15:272
3814810993022,5cyclictest3885068-21fschecks_time22:30:162
3814810993021,6cyclictest0-21swapper/223:55:262
3814810993021,6cyclictest0-21swapper/223:55:262
3814810993021,5cyclictest0-21swapper/200:10:252
3814810993020,6cyclictest0-21swapper/223:20:012
3814806993023,4cyclictest0-21swapper/119:40:281
3814806993022,4cyclictest0-21swapper/121:45:141
3814806993022,4cyclictest0-21swapper/119:40:001
3814806993021,6cyclictest3897032-21tune2fs23:05:181
3814806993020,6cyclictest0-21swapper/123:15:011
3814802993024,4cyclictest3886326-21cron22:35:000
3814802993023,4cyclictest0-21swapper/000:00:260
3814802993021,6cyclictest3925646-21ls00:29:590
3814802993021,6cyclictest0-21swapper/019:40:280
3814802993021,5cyclictest0-21swapper/022:25:000
381480299301,25cyclictest3828984-21latency_hist19:50:000
381480299301,25cyclictest3828984-21latency_hist19:49:590
3814815992920,6cyclictest3899962-21sh23:15:013
3814815992919,6cyclictest0-21swapper/300:35:283
3814810992922,4cyclictest0-21swapper/221:00:272
3814810992922,3cyclictest0-21swapper/220:35:262
3814810992922,3cyclictest0-21swapper/220:35:262
3814810992921,5cyclictest0-21swapper/219:40:002
3814810992921,4cyclictest0-21swapper/221:50:242
3814810992920,5cyclictest0-21swapper/223:35:002
3814810992920,5cyclictest0-21swapper/219:20:012
3814806992923,3cyclictest0-21swapper/119:20:011
3814806992921,4cyclictest0-21swapper/122:20:291
3814806992921,4cyclictest0-21swapper/120:25:171
3814806992920,7cyclictest3890163-21fschecks_time22:45:171
3814806992920,6cyclictest3820930-21tune2fs19:25:181
3814802992921,5cyclictest0-21swapper/022:30:000
3814802992920,6cyclictest3912352-21grep23:50:150
3814802992919,7cyclictest3873318-21grep21:55:270
3814802992919,6cyclictest0-21swapper/023:45:310
3814802992918,7cyclictest0-21swapper/021:15:130
381480299291,6cyclictest131rcu_preempt23:35:160
3814815992822,3cyclictest0-21swapper/320:30:003
3814815992822,3cyclictest0-21swapper/320:20:013
3814815992820,4cyclictest0-21swapper/323:45:173
3814815992820,4cyclictest0-21swapper/300:30:003
3814815992820,3cyclictest0-21swapper/321:20:013
3814815992819,6cyclictest3850030-21fschecks_count20:50:183
3814810992821,4cyclictest0-21swapper/219:45:272
3814810992821,4cyclictest0-21swapper/219:45:272
3814810992820,4cyclictest0-21swapper/220:30:262
3814810992819,5cyclictest0-21swapper/221:45:152
3814810992818,6cyclictest0-21swapper/223:50:242
3814810992818,6cyclictest0-21swapper/220:00:262
3814810992817,6cyclictest0-21swapper/220:10:272
3814806992820,4cyclictest0-21swapper/122:10:261
3814806992815,9cyclictest204-21dbus-daemon00:31:341
3814802992819,4cyclictest0-21swapper/021:51:040
3814815992721,3cyclictest0-21swapper/321:40:273
3814815992720,4cyclictest0-21swapper/322:25:013
3814815992720,3cyclictest0-21swapper/300:05:003
3814815992719,5cyclictest0-21swapper/319:35:013
3814810992718,6cyclictest0-21swapper/219:50:172
3814806992718,6cyclictest0-21swapper/121:55:261
3814802992721,4cyclictest3857803-21kworker/u8:3+events_unbound21:31:010
3814802992721,3cyclictest0-21swapper/019:40:010
3814802992718,7cyclictest3909265-21ntp_kernel_err23:40:210
3814802992718,5cyclictest3839825-21fschecks_count20:20:140
3814802992716,7cyclictest3889282-21grep22:40:260
3814802992716,7cyclictest3889282-21grep22:40:260
3814815992619,4cyclictest3923873-21munin-plugin-st00:25:003
3814815992619,4cyclictest0-21swapper/319:20:273
3814815992617,6cyclictest3818741-21sh19:20:013
3814815992617,5cyclictest3889323-21grep22:40:263
3814815992617,5cyclictest3889323-21grep22:40:263
3814815992616,5cyclictest3857775-21grep21:10:263
3814810992619,5cyclictest0-21swapper/219:25:182
3814810992619,3cyclictest0-21swapper/221:40:272
3814810992619,3cyclictest0-21swapper/221:10:262
3814810992618,5cyclictest0-21swapper/222:05:272
3814810992616,6cyclictest0-21swapper/222:45:262
3814806992618,5cyclictest0-21swapper/121:35:281
3814806992618,5cyclictest0-21swapper/120:10:171
3814806992617,6cyclictest0-21swapper/120:45:001
3814806992616,6cyclictest0-21swapper/120:00:001
3814806992614,9cyclictest3863317-21munin-plugin-st21:30:011
3814802992620,4cyclictest3911745-21kworker/u8:1+events_unbound00:31:360
3814802992619,5cyclictest3868397-21kworker/u8:1+events_unbound22:10:210
3814802992618,6cyclictest3868397-21kworker/u8:1+events_unbound22:05:190
3814802992618,4cyclictest3901670-21latency_hist23:20:000
3814802992617,6cyclictest3814528-21kworker/u8:1+events_unbound19:20:230
3814802992613,9cyclictest3846265-21basename20:40:000
3814802992613,9cyclictest3846265-21basename20:40:000
3814815992519,3cyclictest0-21swapper/322:00:183
3814815992519,3cyclictest0-21swapper/320:55:213
3814815992518,4cyclictest0-21swapper/322:30:263
3814815992517,5cyclictest0-21swapper/320:00:263
3814815992517,4cyclictest0-21swapper/323:50:153
3814815992516,6cyclictest0-21swapper/319:45:223
3814815992516,6cyclictest0-21swapper/319:45:213
3814815992513,8cyclictest3894868-21sendmail23:00:003
3814810992518,3cyclictest0-21swapper/200:00:162
3814810992517,4cyclictest0-21swapper/223:35:192
3814810992516,5cyclictest0-21swapper/200:20:212
3814806992519,3cyclictest0-21swapper/121:40:231
3814806992517,5cyclictest0-21swapper/123:20:011
3814806992516,5cyclictest0-21swapper/122:40:261
3814806992516,5cyclictest0-21swapper/122:40:251
3814806992515,7cyclictest231ktimers/122:00:141
381480299257,10cyclictest11-21ksoftirqd/019:55:260
381480299256,10cyclictest11-21ksoftirqd/023:55:260
381480299256,10cyclictest11-21ksoftirqd/023:55:260
381480299252,4cyclictest131rcu_preempt19:30:130
3814802992521,2cyclictest13550irq/42-30be0000.ethernet22:00:040
3814802992519,3cyclictest3817381-21df19:15:150
3814802992518,3cyclictest0-21swapper/020:19:370
381480299251,5cyclictest3856718-21apt-get21:10:140
3814802992510,12cyclictest3856491-21diskmemload21:10:010
3814802992510,12cyclictest121ktimers/021:50:000
381481599248,13cyclictest3898266-21sh23:10:013
3814815992418,3cyclictest0-21swapper/319:40:283
3814815992418,3cyclictest0-21swapper/300:15:243
3814815992418,3cyclictest0-21swapper/300:15:243
3814815992416,4cyclictest438-21cron23:44:593
3814815992415,6cyclictest0-21swapper/322:10:213
3814815992414,6cyclictest3837032-21grep20:10:273
3814810992418,3cyclictest0-21swapper/223:24:592
3814810992417,4cyclictest3873120-21threads21:55:262
3814810992416,6cyclictest3882685-21kworker/u8:3+events_unbound22:52:582
3814810992416,5cyclictest311ktimers/223:25:092
3814810992415,6cyclictest0-21swapper/221:00:012
3814810992413,8cyclictest3895098-21apt-get23:00:132
381480699244,11cyclictest0-21swapper/119:54:561
3814806992418,4cyclictest231ktimers/120:50:151
3814806992417,3cyclictest0-21swapper/119:25:011
3814806992416,4cyclictest0-21swapper/122:55:271
381480299247,9cyclictest11-21ksoftirqd/020:40:200
3814802992417,5cyclictest3920222-21kworker/u8:0+events_unbound00:23:010
3814802992417,5cyclictest3857803-21kworker/u8:3+events_unbound21:22:390
3814802992417,5cyclictest13550irq/42-30be0000.ethernet23:10:110
3814802992415,5cyclictest0-21swapper/020:30:260
381480299241,19cyclictest0-21swapper/021:41:130
3814802992411,6cyclictest11-21ksoftirqd/021:25:180
3814815992317,3cyclictest0-21swapper/321:50:153
3814815992317,3cyclictest0-21swapper/319:55:013
3814815992317,3cyclictest0-21swapper/300:30:163
3814815992315,5cyclictest0-21swapper/321:05:003
3814815992315,5cyclictest0-21swapper/300:05:183
3814810992317,3cyclictest0-21swapper/200:25:232
3814810992312,8cyclictest3908994-21cat23:40:172
381481099231,12cyclictest3834333-21/usr/sbin/munin20:05:262
3814806992317,3cyclictest0-21swapper/123:50:151
3814806992315,5cyclictest0-21swapper/100:25:261
3814806992314,5cyclictest0-21swapper/120:40:011
3814806992314,5cyclictest0-21swapper/120:40:011
3814806992313,8cyclictest3909668-21cat23:40:251
3814806992313,7cyclictest3915546-21date00:00:011
3814806992313,5cyclictest3876908-21sed22:05:271
3814802992315,5cyclictest3882685-21kworker/u8:3+events_unbound22:52:380
3814815992215,4cyclictest0-21swapper/320:45:533
3814815992212,7cyclictest3844603-21grep20:35:013
381481099229,9cyclictest3839241-21basename20:20:012
3814810992216,3cyclictest0-21swapper/219:40:432
3814810992215,4cyclictest0-21swapper/223:15:012
3814810992214,5cyclictest0-21swapper/221:30:012
3814810992211,8cyclictest3893467-21awk22:55:152
3814806992215,5cyclictest231ktimers/123:24:171
3814806992215,3cyclictest0-21swapper/121:05:261
3814806992211,8cyclictest3860038-21date21:20:011
3814802992210,7cyclictest3866714-21cron21:40:000
3814815992115,3cyclictest0-21swapper/323:30:133
3814815992115,3cyclictest0-21swapper/322:35:253
3814815992114,4cyclictest0-21swapper/320:40:283
3814815992112,7cyclictest0-21swapper/323:20:163
3814815992112,6cyclictest3863698-21/usr/sbin/munin21:30:163
3814810992114,4cyclictest0-21swapper/222:40:162
3814810992114,4cyclictest0-21swapper/222:40:162
3814806992114,3cyclictest0-21swapper/122:30:201
3814806992114,3cyclictest0-21swapper/120:10:021
3814806992113,4cyclictest0-21swapper/120:00:161
3814806992112,6cyclictest0-21swapper/123:30:161
3814806992111,7cyclictest3903773-21tune2fs23:25:141
3814806992111,6cyclictest0-21swapper/100:21:331
3814815992014,3cyclictest0-21swapper/323:00:153
3814815992012,5cyclictest391ktimers/321:10:013
3814806992014,3cyclictest0-21swapper/100:05:191
3814815991913,3cyclictest0-21swapper/321:20:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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