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2026-09-05 - 22:45

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 Sep 05, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3751729995646,6cyclictest3800438-21grep09:30:002
3751721995541,10cyclictest121ktimers/009:10:130
3751729995042,5cyclictest3753228-21kworker/u8:0+events_unbound07:15:132
3751726994939,7cyclictest3784870-21auditctl08:45:001
3751729994835,8cyclictest3826227-21sh10:45:002
3751726994836,8cyclictest3865890-21sendmail12:40:001
3751734994716,27cyclictest0-21swapper/311:15:003
3751734994623,18cyclictest0-21swapper/309:25:273
3751734994535,5cyclictest3812368-21sh10:04:593
3751734994517,23cyclictest0-21swapper/308:55:153
3751721994538,4cyclictest3831339-21munin-plugin-st11:00:000
3751721994530,12cyclictest121ktimers/012:15:120
3751734994424,16cyclictest0-21swapper/308:05:243
3751734994415,6cyclictest0-21swapper/308:25:203
3751729994433,8cyclictest311ktimers/209:50:162
3751729994433,8cyclictest311ktimers/209:50:162
3751734994333,6cyclictest3803369-21unixbench_multi09:35:243
3751734994319,20cyclictest0-21swapper/312:05:273
3751734994318,21cyclictest0-21swapper/311:20:013
3751734994311,8cyclictest3851372-21grep11:55:253
3751734994311,8cyclictest3851372-21grep11:55:253
3751734994232,5cyclictest3786573-21idleruntime-cro08:50:003
3751734994213,6cyclictest0-21swapper/307:40:283
3751734994213,4cyclictest0-21swapper/308:10:253
3751729994233,7cyclictest3808925-21kworker/u8:2+events_unbound10:05:502
3751729994233,7cyclictest3808925-21kworker/u8:2+events_unbound10:05:492
3751734994117,21cyclictest0-21swapper/309:55:283
3751734994114,3cyclictest0-21swapper/308:40:253
3751726994133,5cyclictest0-21swapper/107:45:001
3751734994016,3cyclictest0-21swapper/309:15:003
3751729994030,6cyclictest3839408-21grep11:20:252
3751729994029,8cyclictest3812370-21auditctl10:05:002
3751729994028,8cyclictest0-21swapper/212:40:012
3751721994030,7cyclictest121ktimers/008:15:100
3751734993915,4cyclictest0-21swapper/307:15:253
3751726993932,4cyclictest3855227-21idleruntime-cro12:09:591
3751726993930,6cyclictest231ktimers/108:10:121
3751721993929,6cyclictest0-21swapper/009:05:010
3751721993929,6cyclictest0-21swapper/009:05:000
3751734993827,8cyclictest391ktimers/308:50:133
3751729993828,5cyclictest0-21swapper/212:09:592
3751726993828,7cyclictest3791686-21sh09:05:001
3751726993828,7cyclictest3791686-21sh09:05:001
3751726993827,7cyclictest3824509-21latency_hist10:40:001
3751734993727,6cyclictest0-21swapper/309:35:003
3751734993727,6cyclictest0-21swapper/308:35:003
3751734993727,5cyclictest0-21swapper/310:50:013
3751729993728,6cyclictest3789968-21sh09:00:002
3751726993729,4cyclictest0-21swapper/107:30:181
3751726993726,8cyclictest3794635-21grep09:10:271
3751726993726,8cyclictest231ktimers/108:25:151
3751721993729,4cyclictest0-21swapper/008:10:250
3751734993625,7cyclictest3865873-21sh12:40:013
3751734993625,7cyclictest0-21swapper/308:00:003
3751734993625,7cyclictest0-21swapper/308:00:003
3751734993625,6cyclictest0-21swapper/310:55:273
3751729993630,4cyclictest3808925-21kworker/u8:2+events_unbound10:14:422
3751729993628,4cyclictest0-21swapper/212:10:182
3751729993627,4cyclictest0-21swapper/211:36:002
3751729993619,6cyclictest3845226-21kworker/u8:0+events_unbound11:40:202
3751726993629,4cyclictest0-21swapper/108:20:011
3751721993628,4cyclictest0-21swapper/007:20:010
3751734993526,6cyclictest3831747-21fschecks_count11:00:143
3751734993525,6cyclictest0-21swapper/307:50:243
3751734993524,7cyclictest0-21swapper/309:25:013
3751729993527,4cyclictest0-21swapper/208:25:182
3751729993527,4cyclictest0-21swapper/208:10:242
3751729993526,6cyclictest3807251-21auditctl09:50:002
3751729993525,6cyclictest0-21swapper/207:45:282
3751729993522,8cyclictest3760356-21grep07:30:262
3751729993522,8cyclictest0-21swapper/211:00:012
3751726993527,5cyclictest3765900-21latency_hist07:50:001
3751726993527,4cyclictest0-21swapper/110:05:001
3751726993524,7cyclictest0-21swapper/112:35:001
3751721993525,7cyclictest3784868-21cron08:45:000
3751734993424,6cyclictest0-21swapper/310:40:253
3751726993426,4cyclictest0-21swapper/109:30:271
3751721993427,4cyclictest3753353-21latency_hist07:15:010
3751721993426,4cyclictest0-21swapper/008:00:000
3751721993426,4cyclictest0-21swapper/008:00:000
3751721993425,7cyclictest121ktimers/007:50:110
375172999337,4cyclictest131rcu_preempt09:30:142
3751729993325,4cyclictest0-21swapper/208:40:262
3751729993324,5cyclictest0-21swapper/207:55:272
3751729993324,5cyclictest0-21swapper/207:55:262
3751729993323,6cyclictest0-21swapper/208:45:262
3751726993326,4cyclictest0-21swapper/111:15:161
3751726993325,4cyclictest0-21swapper/110:45:161
3751726993325,4cyclictest0-21swapper/108:50:181
3751726993321,8cyclictest3762028-21grep07:35:261
3751721993325,4cyclictest0-21swapper/010:05:000
3751734993224,4cyclictest0-21swapper/310:10:283
3751734993223,6cyclictest3812953-21fschecks_count10:05:153
3751734993223,6cyclictest3812953-21fschecks_count10:05:153
3751734993223,4cyclictest0-21swapper/308:05:003
3751734993222,6cyclictest0-21swapper/311:40:003
3751734993220,7cyclictest0-21swapper/308:20:273
3751729993225,4cyclictest3795106-21grep09:15:002
3751729993218,10cyclictest3776131-21run-parts08:20:022
3751726993224,4cyclictest0-21swapper/110:10:191
3751726993224,4cyclictest0-21swapper/109:35:241
3751721993225,4cyclictest3864175-21idleruntime-cro12:35:010
3751721993225,4cyclictest3781239-21auditctl08:35:010
3751721993223,6cyclictest0-21swapper/011:10:000
3751721993223,4cyclictest0-21swapper/012:10:000
3751734993124,4cyclictest3858283-21timerwakeupswit12:15:253
3751734993123,4cyclictest0-21swapper/310:20:273
3751734993123,4cyclictest0-21swapper/308:35:173
3751726993122,5cyclictest0-21swapper/107:10:121
3751721993124,4cyclictest0-21swapper/011:05:000
3751721993124,3cyclictest0-21swapper/011:15:260
3751721993124,3cyclictest0-21swapper/010:00:000
3751721993123,4cyclictest0-21swapper/008:55:000
3751721993123,4cyclictest0-21swapper/008:10:010
3751734993022,4cyclictest0-21swapper/312:20:273
3751734993022,4cyclictest0-21swapper/312:20:273
3751734993020,6cyclictest3765490-21grep07:45:283
3751734993020,6cyclictest0-21swapper/311:45:263
3751734993020,6cyclictest0-21swapper/311:20:263
3751734993020,6cyclictest0-21swapper/307:25:273
3751734993018,7cyclictest204-21dbus-daemon08:15:363
375172999306,4cyclictest131rcu_preempt10:30:162
3751729993021,4cyclictest0-21swapper/209:20:152
3751729993020,6cyclictest3771009-21sh08:05:002
3751729993019,7cyclictest0-21swapper/212:30:002
3751729993019,6cyclictest0-21swapper/210:15:262
3751726993022,4cyclictest3821114-21kthreadd10:30:001
3751734992921,5cyclictest3856653-21unixbench_multi12:10:273
3751734992921,4cyclictest0-21swapper/311:30:253
3751734992921,4cyclictest0-21swapper/309:50:313
3751734992921,4cyclictest0-21swapper/309:50:303
3751734992919,6cyclictest0-21swapper/310:15:273
3751729992921,5cyclictest3849728-21kworker/u8:0+events_unbound12:30:042
3751729992919,6cyclictest0-21swapper/211:10:252
3751726992920,6cyclictest3857521-21tune2fs12:15:161
3751721992922,4cyclictest3862455-21latency_hist12:30:010
3751721992921,4cyclictest0-21swapper/008:55:160
3751721992920,6cyclictest3802802-21grep09:35:170
3751734992819,6cyclictest0-21swapper/311:25:253
3751734992817,7cyclictest0-21swapper/312:25:253
3751734992817,7cyclictest0-21swapper/307:30:263
375172999283,5cyclictest131rcu_preempt10:20:132
3751729992819,6cyclictest3841998-21fschecks_time11:30:172
3751729992819,6cyclictest0-21swapper/212:20:182
3751729992819,6cyclictest0-21swapper/212:20:182
3751729992817,7cyclictest3810239-21grep09:55:272
3751729992815,5cyclictest3787925-21kworker/u8:2+events_unbound09:03:262
3751729992815,5cyclictest3787925-21kworker/u8:2+events_unbound09:03:252
3751729992814,8cyclictest204-21dbus-daemon11:46:002
3751726992816,8cyclictest1-21systemd11:25:591
3751721992822,3cyclictest0-21swapper/009:20:010
3751721992821,4cyclictest0-21swapper/008:35:170
3751721992820,5cyclictest0-21swapper/007:45:180
3751721992818,7cyclictest0-21swapper/010:35:000
3751721992818,6cyclictest3770598-21grep08:00:270
3751734992719,4cyclictest3762505-21sendmail-msp07:40:003
3751734992716,7cyclictest0-21swapper/311:10:003
3751734992716,7cyclictest0-21swapper/309:05:263
3751729992721,4cyclictest3827748-21kworker/u8:1+events_unbound10:50:102
3751729992720,5cyclictest3819209-21kworker/u8:2+events_unbound10:45:552
3751729992719,5cyclictest311ktimers/210:35:132
3751729992719,4cyclictest0-21swapper/208:35:262
3751726992721,3cyclictest0-21swapper/108:20:261
3751726992720,4cyclictest3797020-21sendmail09:20:011
3751726992720,4cyclictest0-21swapper/111:50:241
3751726992720,4cyclictest0-21swapper/111:50:241
3751726992718,5cyclictest3861800-21grep12:25:241
3751726992717,7cyclictest3810665-21ls10:00:001
3751721992721,3cyclictest0-21swapper/007:30:260
3751721992717,7cyclictest3804174-21awk09:40:130
3751721992716,7cyclictest204-21dbus-daemon10:50:550
3751721992711,5cyclictest121ktimers/012:10:150
3751734992617,6cyclictest0-21swapper/311:55:003
3751734992617,6cyclictest0-21swapper/311:54:593
3751734992617,5cyclictest0-21swapper/309:20:003
3751729992620,4cyclictest3755568-21kworker/u8:2+events_unbound07:20:162
3751729992619,4cyclictest3841580-21kthreadd11:30:012
3751729992619,4cyclictest0-21swapper/207:10:272
3751729992616,6cyclictest0-21swapper/212:15:272
3751726992619,4cyclictest0-21swapper/110:55:261
3751726992618,5cyclictest0-21swapper/111:30:141
3751726992617,6cyclictest3782522-21grep08:35:261
3751726992615,8cyclictest3848450-21sed11:50:001
3751726992615,7cyclictest0-21swapper/110:05:491
3751726992615,7cyclictest0-21swapper/110:05:491
3751721992619,4cyclictest3844969-21cron11:40:000
3751721992618,5cyclictest0-21swapper/009:20:250
3751721992618,5cyclictest0-21swapper/007:25:000
3751721992618,4cyclictest0-21swapper/011:25:250
3751721992618,4cyclictest0-21swapper/010:39:590
3751729992518,5cyclictest3753228-21kworker/u8:0+events_unbound07:35:262
3751729992518,3cyclictest0-21swapper/208:30:172
3751729992518,3cyclictest0-21swapper/207:25:222
3751729992517,5cyclictest0-21swapper/211:59:592
3751729992517,5cyclictest0-21swapper/211:59:592
375172999251,3cyclictest131rcu_preempt11:15:122
3751726992519,3cyclictest0-21swapper/107:25:271
3751726992518,4cyclictest0-21swapper/111:35:271
3751726992518,4cyclictest0-21swapper/111:00:141
3751726992516,6cyclictest3797493-21tune2fs09:20:151
3751726992515,6cyclictest0-21swapper/109:45:011
3751721992521,2cyclictest13550irq/42-30be0000.ethernet10:40:150
3751721992518,3cyclictest0-21swapper/010:10:200
3751721992517,5cyclictest0-21swapper/007:40:280
3751721992517,4cyclictest3848398-21sh11:50:010
3751721992516,5cyclictest0-21swapper/012:20:200
3751721992516,5cyclictest0-21swapper/012:20:200
3751721992516,5cyclictest0-21swapper/010:25:240
3751721992515,7cyclictest3816762-21ntp_kernel_pll_10:15:220
3751721992514,8cyclictest3800441-21basename09:30:010
3751734992417,4cyclictest3791286-21unixbench_singl09:00:283
3751734992417,4cyclictest3791286-21unixbench_singl09:00:273
375172999246,5cyclictest131rcu_preempt11:51:492
375172999246,5cyclictest131rcu_preempt11:51:492
3751729992418,4cyclictest3832832-21kworker/u8:0+events_unbound11:06:312
3751729992417,5cyclictest3755568-21kworker/u8:2+events_unbound07:40:152
3751729992417,3cyclictest0-21swapper/211:00:232
3751729992413,9cyclictest32-21ksoftirqd/207:52:302
375172699242,4cyclictest3826317-21latency_hist10:45:021
3751726992418,3cyclictest0-21swapper/110:20:141
3751726992417,4cyclictest0-21swapper/109:05:261
3751726992416,5cyclictest231ktimers/108:05:001
3751726992416,5cyclictest0-21swapper/108:45:151
375172199242,3cyclictest3827037-21ntp_states10:45:220
3751721992416,5cyclictest121ktimers/007:25:220
375172199241,4cyclictest3865359-21sed12:35:260
3751721992414,7cyclictest3807583-21cat09:50:190
3751721992414,7cyclictest3807583-21cat09:50:190
3751721992413,8cyclictest3806743-21cat09:45:250
375172199241,19cyclictest0-21swapper/011:20:490
3751734992315,5cyclictest38239822sleep310:35:273
3751734992315,4cyclictest2-21kthreadd12:05:003
3751734992314,6cyclictest3864157-21cron12:35:013
3751734992314,5cyclictest0-21swapper/307:10:273
3751729992317,4cyclictest3768678-21kworker/u8:3+events_unbound08:05:262
3751729992316,5cyclictest3819209-21kworker/u8:2+events_unbound10:25:232
3751729992316,5cyclictest3787925-21kworker/u8:2+events_unbound09:08:452
3751729992315,5cyclictest0-21swapper/209:15:162
375172699239,3cyclictest38356112wc11:10:241
3751726992314,7cyclictest3821915-21ntpq10:30:251
375172199232,3cyclictest38180432ls10:20:140
3751721992318,3cyclictest13550irq/42-30be0000.ethernet11:30:120
3751721992316,4cyclictest3786172-21head08:45:250
3751721992316,3cyclictest0-21swapper/009:09:270
3751721992313,7cyclictest3846730-21sed11:45:010
375172199230,19cyclictest0-21swapper/012:01:350
375172199230,19cyclictest0-21swapper/009:34:270
375172199230,19cyclictest0-21swapper/008:21:590
3751734992216,4cyclictest3807096-21kworker/u8:0+events_unbound10:27:253
3751734992216,3cyclictest0-21swapper/310:30:233
3751726992216,3cyclictest3834933-21latency_hist11:10:021
3751726992216,3cyclictest0-21swapper/111:40:221
3751726992216,3cyclictest0-21swapper/109:00:011
3751726992214,5cyclictest231ktimers/107:53:171
3751726992213,6cyclictest204-21dbus-daemon11:20:581
3751726992212,7cyclictest3798966-21apt-get09:25:121
375172699221,18cyclictest3754656-21cat07:15:191
3751721992215,5cyclictest121ktimers/007:35:170
3751721992215,3cyclictest0-21swapper/011:55:250
3751721992215,3cyclictest0-21swapper/011:55:240
375172199221,3cyclictest0-21swapper/010:08:140
375172199221,3cyclictest0-21swapper/010:08:140
3751721992212,7cyclictest3848891-21cat11:50:160
3751721992212,7cyclictest3848891-21cat11:50:160
3751721992212,7cyclictest3779202-21cron08:26:000
3751734992115,3cyclictest0-21swapper/311:40:143
3751734992114,3cyclictest0-21swapper/309:40:253
3751726992115,3cyclictest0-21swapper/112:00:041
3751726992115,3cyclictest0-21swapper/108:30:261
3751726992114,4cyclictest3851842-21latency_hist12:00:011
3751726992114,4cyclictest3851842-21latency_hist12:00:011
3751726992114,3cyclictest0-21swapper/112:15:001
3751726992113,5cyclictest231ktimers/108:05:221
3751726992113,5cyclictest231ktimers/107:20:111
3751726992113,5cyclictest0-21swapper/107:55:271
3751726992113,5cyclictest0-21swapper/107:55:271
3751734992010,7cyclictest3806358-21ntp_states09:45:223
3751726992015,3cyclictest3816320-21cstates10:15:141
3751726992014,3cyclictest0-21swapper/112:20:171
3751726992014,3cyclictest0-21swapper/112:20:171
3751726992011,5cyclictest231ktimers/109:50:011
3751734991913,3cyclictest0-21swapper/310:50:253
3751734991910,6cyclictest3756687-21/usr/sbin/munin07:20:223
3751729991910,6cyclictest3787478-21awk08:50:242
375172699182,4cyclictest38079232cat09:50:231
375172699182,4cyclictest38079232cat09:50:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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