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2026-06-25 - 15:50

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 all highest latencies:
System rackbslot5s.osadl.org (updated Thu Jun 25, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
800046995227,21cyclictest0-21swapper/008:40:000
800046995218,3cyclictest0-21swapper/009:55:120
800060994941,5cyclictest872420-21unixbench_multi10:35:243
800060994941,5cyclictest872420-21unixbench_multi10:35:243
800060994837,6cyclictest851951-21kworker/u8:0+events_unbound09:45:503
800053994837,7cyclictest882866-21grep11:05:242
800046994840,5cyclictest886519-21unixbench_singl11:15:240
800046994819,3cyclictest0-21swapper/012:15:010
800053994536,6cyclictest824486-21cut08:20:002
800046994520,4cyclictest840054-21cron09:05:000
800060994430,10cyclictest914251-21sendmail12:40:003
800060994430,10cyclictest914251-21sendmail12:39:593
800046994416,5cyclictest0-21swapper/007:25:260
800060994336,4cyclictest645-21runrttasks12:00:103
800060994332,8cyclictest391ktimers/310:55:143
800046994218,3cyclictest0-21swapper/011:25:010
800050994132,6cyclictest810834-21munin-plugin-st07:40:011
800060994028,8cyclictest910349-21grep12:25:263
800046994031,6cyclictest879921-21idleruntime-cro11:00:000
800050993927,8cyclictest865393-21grep10:15:251
800060993829,6cyclictest886522-21grep11:15:243
800060993726,7cyclictest0-21swapper/308:50:263
800060993724,9cyclictest391ktimers/309:50:123
800053993729,4cyclictest0-21swapper/209:10:012
800050993731,3cyclictest0-21swapper/109:00:011
800050993730,4cyclictest840053-21auditctl09:05:001
800050993729,5cyclictest858822-21grep10:00:001
800060993628,4cyclictest0-21swapper/311:05:133
800060993625,8cyclictest875824-21grep10:45:263
800060993625,8cyclictest875824-21grep10:45:253
800053993628,5cyclictest879918-21munin-run11:00:012
800053993627,4cyclictest0-21swapper/207:45:142
800050993627,5cyclictest0-21swapper/109:20:011
800050993627,5cyclictest0-21swapper/108:05:251
800050993627,5cyclictest0-21swapper/108:05:241
800053993523,9cyclictest900209-21kworker/u8:0+events_unbound12:10:102
800060993426,4cyclictest0-21swapper/312:30:243
800060993426,4cyclictest0-21swapper/312:30:243
800060993425,5cyclictest0-21swapper/311:00:253
800060993425,4cyclictest0-21swapper/307:35:143
800060993424,6cyclictest890371-21latency_hist11:29:593
800060993423,7cyclictest867117-21grep10:20:253
800060993423,7cyclictest865840-21cron10:20:013
800060993419,9cyclictest391ktimers/311:20:123
800053993426,4cyclictest0-21swapper/207:25:152
800053993425,6cyclictest0-21swapper/208:00:002
800046993427,4cyclictest838174-21latency_hist09:00:010
800046993419,8cyclictest131rcu_preempt10:40:210
800046993419,8cyclictest131rcu_preempt10:40:210
800053993325,4cyclictest0-21swapper/207:10:082
800053993323,6cyclictest0-21swapper/208:25:002
800050993327,4cyclictest875879-21unixbench_singl10:45:261
800050993327,4cyclictest875879-21unixbench_singl10:45:261
800050993326,4cyclictest817684-21idleruntime-cro08:00:001
800050993325,4cyclictest0-21swapper/110:10:241
800046993326,4cyclictest899124-21sshd11:55:110
800046993326,3cyclictest0-21swapper/007:15:010
800046993320,5cyclictest855090-21kworker/u8:1+events_unbound10:19:360
800060993224,4cyclictest0-21swapper/311:50:263
800060993223,5cyclictest904011-21kthreadd12:10:003
800050993224,4cyclictest0-21swapper/109:50:001
800046993225,4cyclictest904015-21idleruntime-cro12:10:000
800046993225,4cyclictest814256-21munin-plugin-st07:50:020
800046993222,6cyclictest0-21swapper/011:45:010
800046993222,6cyclictest0-21swapper/008:25:160
800046993216,3cyclictest0-21swapper/010:52:080
800060993123,5cyclictest803599-21grep07:15:243
800060993123,4cyclictest0-21swapper/312:20:253
800060993122,6cyclictest826619-21fschecks_time08:25:173
800060993122,5cyclictest884550-21grep11:10:243
800060993120,7cyclictest0-21swapper/307:10:283
800053993124,4cyclictest0-21swapper/210:50:242
800053993123,5cyclictest0-21swapper/209:25:002
800053993122,6cyclictest893765-21sh11:40:002
800060993022,6cyclictest844169-21missed_timers09:15:193
800060993020,7cyclictest824042-21grep08:15:273
800053993023,4cyclictest885254-21latency_hist11:15:002
800053993022,4cyclictest0-21swapper/212:05:252
800050993021,5cyclictest813855-21grep07:45:261
800050993020,7cyclictest892506-21grep11:35:161
800050993020,7cyclictest851541-21grep09:35:251
800050993020,7cyclictest827491-21unixbench_singl08:25:261
800050993019,7cyclictest0-21swapper/108:10:261
800046993024,3cyclictest0-21swapper/009:10:000
800060992922,4cyclictest871165-21latency_hist10:35:003
800060992921,6cyclictest897409-21kworker/u8:3+events_unbound11:56:143
800060992921,4cyclictest874602-21idleruntime-cro10:44:593
800060992921,4cyclictest874602-21idleruntime-cro10:44:593
800060992921,4cyclictest0-21swapper/309:25:013
800060992919,7cyclictest391ktimers/307:30:133
800060992919,6cyclictest0-21swapper/309:40:263
800060992919,6cyclictest0-21swapper/309:40:253
800053992920,6cyclictest843053-21grep09:10:252
800053992920,5cyclictest0-21swapper/208:40:012
800050992921,4cyclictest0-21swapper/111:05:241
800050992920,6cyclictest833458-21tune2fs08:45:161
800050992920,5cyclictest0-21swapper/111:30:161
800050992919,7cyclictest832101-21grep08:40:211
800050992919,7cyclictest823188-21tune2fs08:15:171
800046992923,3cyclictest0-21swapper/012:20:000
800046992923,3cyclictest0-21swapper/011:05:000
800046992921,5cyclictest0-21swapper/009:15:000
800046992921,4cyclictest0-21swapper/011:31:100
800046992921,4cyclictest0-21swapper/008:00:260
800046992919,7cyclictest875356-21ntpq10:45:200
800046992919,7cyclictest875356-21ntpq10:45:190
800053992821,4cyclictest0-21swapper/212:15:162
800053992821,3cyclictest0-21swapper/209:45:152
800053992821,3cyclictest0-21swapper/208:10:162
800053992820,4cyclictest0-21swapper/207:50:252
800050992820,4cyclictest0-21swapper/110:10:021
800046992822,3cyclictest883335-21munin-plugin-st11:10:000
800046992821,4cyclictest822774-21auditctl08:15:000
800046992819,5cyclictest0-21swapper/009:20:000
800060992718,6cyclictest0-21swapper/307:45:193
800060992716,7cyclictest0-21swapper/311:35:243
800053992719,5cyclictest840045-21cron09:05:012
800050992720,3cyclictest0-21swapper/107:40:161
800050992719,5cyclictest907009-21grep12:15:261
800050992714,10cyclictest895723-21sshd11:45:111
800046992720,4cyclictest0-21swapper/012:25:250
800046992720,3cyclictest0-21swapper/010:25:240
800046992719,5cyclictest0-21swapper/008:10:000
800046992719,5cyclictest0-21swapper/008:10:000
800046992719,4cyclictest0-21swapper/010:40:000
800046992719,4cyclictest0-21swapper/010:40:000
80006099264,4cyclictest8384842cat09:00:023
800060992621,3cyclictest907551-21latency_hist12:20:013
800060992620,4cyclictest837938-21kworker/u8:2+events_unbound09:10:483
800060992619,3cyclictest0-21swapper/310:55:013
800060992618,5cyclictest846745-21kworker/u8:0+events_unbound09:33:103
800060992618,5cyclictest0-21swapper/310:10:163
800060992614,9cyclictest836655-21apt-get08:55:123
800053992620,3cyclictest0-21swapper/211:50:012
800053992619,3cyclictest0-21swapper/208:25:272
800053992618,4cyclictest0-21swapper/209:55:002
800053992615,7cyclictest204-21dbus-daemon11:01:052
800053992615,7cyclictest204-21dbus-daemon10:15:532
800053992613,10cyclictest311ktimers/208:55:122
800050992619,3cyclictest0-21swapper/110:35:131
800050992619,3cyclictest0-21swapper/110:35:131
800050992618,4cyclictest0-21swapper/108:25:001
800050992618,4cyclictest0-21swapper/108:00:261
800050992617,6cyclictest0-21swapper/108:35:251
800050992617,5cyclictest438-21cron07:30:001
800050992615,8cyclictest852691-21seq09:40:201
800050992615,8cyclictest852691-21seq09:40:201
800050992615,7cyclictest850290-21cron09:35:001
800046992620,3cyclictest8545242sleep009:45:230
800046992616,7cyclictest804713-21cut07:20:190
800046992616,7cyclictest804713-21cut07:20:180
80004699261,22cyclictest848183-21unixbench_singl09:25:270
800046992612,11cyclictest13550irq/42-30be0000.ethernet11:45:120
800060992518,5cyclictest812218-21kworker/u8:2+events_unbound08:05:323
800060992518,5cyclictest812218-21kworker/u8:2+events_unbound08:05:323
800060992516,4cyclictest0-21swapper/312:10:143
800060992515,5cyclictest817652-21munin-plugin-st08:00:013
800060992510,11cyclictest812090-21grep07:40:263
800053992519,3cyclictest0-21swapper/207:20:182
800053992519,3cyclictest0-21swapper/207:20:172
800053992518,4cyclictest0-21swapper/212:30:152
800053992518,4cyclictest0-21swapper/212:30:152
80005399251,14cyclictest0-21swapper/210:27:372
80005099252,19cyclictest888903-21sshd11:25:111
800050992517,5cyclictest438-21cron11:00:001
800050992517,4cyclictest0-21swapper/112:35:161
800050992517,4cyclictest0-21swapper/112:35:161
800050992514,7cyclictest801841-21munin-node07:15:001
800046992515,7cyclictest912551-21basename12:34:590
800046992515,7cyclictest912551-21basename12:34:590
800046992514,8cyclictest912876-21df_inode12:35:140
800046992514,8cyclictest912876-21df_inode12:35:140
800046992513,8cyclictest834286-21grep08:45:260
800060992419,3cyclictest805253-21unixbench_multi07:20:243
800060992419,3cyclictest805253-21unixbench_multi07:20:243
800060992418,3cyclictest0-21swapper/308:10:113
800060992417,5cyclictest886902-21kworker/u8:0+events_unbound11:41:173
800060992417,4cyclictest832554-21tail08:40:253
800060992416,5cyclictest0-21swapper/308:30:263
800053992418,3cyclictest0-21swapper/211:15:122
800053992418,3cyclictest0-21swapper/210:20:262
800053992417,4cyclictest0-21swapper/208:45:152
800053992417,3cyclictest0-21swapper/210:45:002
800053992417,3cyclictest0-21swapper/210:45:002
800053992416,6cyclictest858803-21cron10:00:002
800053992413,8cyclictest811081-21apt-get07:40:142
800050992418,3cyclictest0-21swapper/112:00:001
800050992418,3cyclictest0-21swapper/111:15:011
800050992418,3cyclictest0-21swapper/107:50:251
800050992417,3cyclictest0-21swapper/107:20:001
800050992416,5cyclictest857107-21auditctl09:54:591
800050992415,6cyclictest887337-21cut11:20:141
800050992415,6cyclictest231ktimers/111:15:121
800050992413,8cyclictest231ktimers/108:50:131
800046992417,4cyclictest808210-21ntpq07:30:210
800046992417,3cyclictest0-21swapper/010:35:010
800046992416,5cyclictest0-21swapper/008:40:160
800046992415,5cyclictest0-21swapper/012:20:540
800046992415,5cyclictest0-21swapper/007:36:490
800046992414,8cyclictest883940-21wc11:10:190
800046992413,7cyclictest803527-21grep07:15:240
80004699241,21cyclictest0-21swapper/008:50:130
80004699240,20cyclictest0-21swapper/012:02:440
800060992318,3cyclictest0-21swapper/309:25:173
800060992318,2cyclictest0-21swapper/308:20:163
800060992316,5cyclictest830927-21kworker/u8:1+events_unbound08:46:363
800060992316,5cyclictest819097-21kworker/u8:1+events_unbound08:04:423
800060992316,4cyclictest0-21swapper/309:05:253
800060992316,3cyclictest0-21swapper/311:45:253
80005399239,4cyclictest829215-21kworker/u8:0+events_unbound08:31:142
80005399236,4cyclictest131rcu_preempt09:20:002
800053992317,4cyclictest800042-21cyclictest11:20:202
800053992317,3cyclictest0-21swapper/212:20:202
800053992317,3cyclictest0-21swapper/210:35:242
800053992317,3cyclictest0-21swapper/210:35:232
800053992316,4cyclictest821072-21latency_hist08:10:012
800053992316,4cyclictest821072-21latency_hist08:10:012
800053992314,6cyclictest871088-21latency_hist10:35:002
800053992314,6cyclictest0-21swapper/212:00:012
800053992314,4cyclictest0-21swapper/209:35:502
800053992313,7cyclictest818257-21seq08:00:202
800050992317,3cyclictest0-21swapper/109:20:251
800050992316,5cyclictest231ktimers/112:30:141
800050992316,5cyclictest231ktimers/112:30:141
800050992316,5cyclictest231ktimers/111:40:141
800050992314,6cyclictest0-21swapper/111:00:161
800050992313,7cyclictest870962-21apt10:35:011
800050992313,7cyclictest866976-21grep10:20:251
800046992319,2cyclictest13550irq/42-30be0000.ethernet09:30:220
800046992317,3cyclictest0-21swapper/008:15:250
800046992316,3cyclictest0-21swapper/009:43:380
800046992316,3cyclictest0-21swapper/009:43:370
800046992314,6cyclictest0-21swapper/009:20:160
800046992313,7cyclictest856791-21seq09:51:120
800046992313,6cyclictest8615182sleep010:05:240
80004699231,18cyclictest0-21swapper/008:22:450
80004699231,18cyclictest0-21swapper/007:57:360
800060992216,4cyclictest0-21swapper/307:50:243
800060992214,5cyclictest857832-21sort09:55:203
800060992214,5cyclictest391ktimers/308:35:223
800060992214,5cyclictest0-21swapper/310:05:153
800053992217,2cyclictest0-21swapper/207:15:052
800053992216,3cyclictest0-21swapper/211:25:202
800053992216,3cyclictest0-21swapper/210:05:182
800053992215,4cyclictest862832-21fschecks_count10:10:152
800053992212,6cyclictest0-21swapper/209:45:002
800053992212,6cyclictest0-21swapper/209:45:002
800050992214,5cyclictest231ktimers/110:54:591
800050992214,5cyclictest0-21swapper/112:20:151
800050992213,6cyclictest829609-21basename08:35:001
800050992212,7cyclictest0-21swapper/109:15:011
800050992210,8cyclictest873288-21grep10:40:151
800050992210,8cyclictest873288-21grep10:40:141
80004699221,7cyclictest863714-21sed10:10:250
800046992215,3cyclictest0-21swapper/009:37:490
800046992215,3cyclictest0-21swapper/007:52:540
800046992214,5cyclictest0-21swapper/008:30:120
800046992213,6cyclictest866662-21ntp_states10:20:210
800046992213,6cyclictest0-21swapper/010:00:190
800060992115,4cyclictest0-21swapper/310:28:113
800060992115,3cyclictest0-21swapper/311:30:223
800053992115,4cyclictest0-21swapper/208:40:272
800053992115,3cyclictest0-21swapper/212:35:232
800053992115,3cyclictest0-21swapper/212:35:232
800053992115,3cyclictest0-21swapper/209:30:262
800053992114,4cyclictest0-21swapper/207:30:252
800053992113,6cyclictest164-21systemd-journal07:38:412
800053992111,7cyclictest897679-21basename11:50:182
800050992116,3cyclictest645-21runrttasks12:05:151
800050992115,4cyclictest231ktimers/112:11:591
800050992115,3cyclictest0-21swapper/110:00:131
800050992111,8cyclictest804388-21entropy07:20:151
800050992111,8cyclictest804388-21entropy07:20:151
800050992111,7cyclictest909463-21cat12:25:131
800046992114,5cyclictest0-21swapper/011:25:110
80004699211,17cyclictest0-21swapper/011:50:130
80004699210,3cyclictest0-21swapper/007:41:490
800060992013,3cyclictest0-21swapper/309:35:243
80005399209,8cyclictest890736-21awk11:30:162
800053992014,3cyclictest876363-21latency_hist10:50:002
800053992014,3cyclictest876363-21latency_hist10:50:002
800053992013,5cyclictest311ktimers/210:03:402
800053992013,5cyclictest0-21swapper/208:51:212
800053992013,4cyclictest0-21swapper/209:25:162
80005099205,3cyclictest131rcu_preempt11:50:261
800050992013,5cyclictest231ktimers/110:25:131
800050992012,5cyclictest0-21swapper/112:05:011
80006099198,8cyclictest805966-21apt-get07:25:133
80005399199,8cyclictest901603-21swap12:00:252
80005399191,13cyclictest910825-21cron12:30:002
80005099199,8cyclictest840974-21sendmail_mailqu09:05:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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