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2026-08-03 - 22:18

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 792 highest latencies:
System rackbslot5s.osadl.org (updated Mon Aug 03, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4014486996135,4cyclictest4101356-21munin-plugin-st11:20:003
4014482995034,12cyclictest311ktimers/211:50:122
4014482994942,5cyclictest4046300-21kworker/u8:0+events_unbound08:40:202
4014479994739,5cyclictest4065541-21munin-plugin-st09:35:001
4014472994637,5cyclictest4057826-21unixbench_multi09:10:260
4014486994433,7cyclictest4091495-21fschecks_count10:50:163
4014486994332,7cyclictest4087719-21sendmail10:40:003
4014482994329,10cyclictest311ktimers/208:55:132
4014486994235,5cyclictest4050552-21kworker/u8:3+events_unbound08:55:243
4014482994236,4cyclictest4014331-21kworker/u8:1+events_unbound07:19:542
4014482994123,6cyclictest131rcu_preempt11:05:132
4014479994133,5cyclictest4022046-21latency_hist07:30:011
4014472994130,8cyclictest4061672-21grep09:20:250
4014486993928,6cyclictest0-21swapper/310:15:263
4014482993829,5cyclictest0-21swapper/209:55:012
4014479993829,6cyclictest4077019-21grep10:05:241
4014486993727,6cyclictest0-21swapper/310:30:273
4014486993726,6cyclictest0-21swapper/309:50:013
4014482993723,5cyclictest4072159-21kworker/u8:2+events_unbound10:00:312
4014482993629,4cyclictest0-21swapper/210:30:162
4014482993628,4cyclictest0-21swapper/207:25:182
4014482993626,5cyclictest0-21swapper/211:20:422
401447299362,27cyclictest131rcu_preempt10:10:130
4014486993527,4cyclictest0-21swapper/310:15:013
4014486993524,7cyclictest0-21swapper/310:00:003
4014486993524,7cyclictest0-21swapper/309:05:263
4014482993526,5cyclictest0-21swapper/211:45:252
4014482993525,6cyclictest4094055-21grep10:55:262
4014482993522,8cyclictest311ktimers/210:10:132
4014479993526,6cyclictest0-21swapper/108:20:271
4014472993525,7cyclictest4115218-21sendmail12:00:010
4014486993427,3cyclictest4118629-21munin-plugin-st12:10:003
4014486993426,5cyclictest4060206-21audit_send_reply09:20:013
4014486993426,4cyclictest4022045-21kthreadd07:30:013
4014486993424,5cyclictest4048065-21munin-plugin-st08:45:003
4014482993426,4cyclictest0-21swapper/207:55:292
4014482993424,7cyclictest0-21swapper/211:15:262
4014482993423,7cyclictest0-21swapper/212:10:232
4014479993426,4cyclictest0-21swapper/108:10:261
4014479993423,7cyclictest4066810-21grep09:35:261
4014472993427,4cyclictest0-21swapper/009:30:000
4014472993427,4cyclictest0-21swapper/009:29:590
4014482993326,5cyclictest4028716-21kworker/u8:0+events_unbound08:03:422
4014482993325,4cyclictest0-21swapper/212:40:002
4014482993317,5cyclictest4063579-21kworker/u8:0+events_unbound09:33:492
4014482993312,6cyclictest131rcu_preempt08:15:132
401448299330,17cyclictest32-21ksoftirqd/208:30:132
4014472993326,3cyclictest0-21swapper/010:00:260
401447299331,10cyclictest4056591-21ls09:10:010
4014486993224,4cyclictest0-21swapper/310:20:263
4014486993222,6cyclictest0-21swapper/311:50:253
4014486993222,6cyclictest0-21swapper/310:40:263
4014486993222,6cyclictest0-21swapper/310:40:263
4014486993222,6cyclictest0-21swapper/308:30:013
4014486993222,6cyclictest0-21swapper/307:20:013
4014486993221,6cyclictest0-21swapper/311:30:243
4014486993221,6cyclictest0-21swapper/311:30:243
4014486993220,7cyclictest0-21swapper/309:50:263
4014482993225,4cyclictest4056586-21munin-plugin-st09:10:012
4014482993224,6cyclictest4123234-21timerwakeupswit12:20:242
4014482993224,4cyclictest4108406-21idleruntime-cro11:40:002
4014482993217,6cyclictest4041044-21kworker/u8:2+events_unbound08:49:212
4014479993224,4cyclictest0-21swapper/108:35:141
4014479993224,4cyclictest0-21swapper/108:35:141
4014479993221,7cyclictest0-21swapper/108:30:261
4014472993225,4cyclictest0-21swapper/011:55:010
4014472993225,3cyclictest0-21swapper/008:55:010
4014472993223,6cyclictest4096640-21fschecks_count11:05:170
4014486993122,4cyclictest0-21swapper/311:00:003
4014486993121,7cyclictest4083659-21switchtime10:25:243
4014486993121,6cyclictest0-21swapper/310:45:243
4014486993119,7cyclictest0-21swapper/308:05:013
4014482993123,4cyclictest0-21swapper/207:15:022
4014482993113,15cyclictest32-21ksoftirqd/211:55:122
4014482993111,4cyclictest131rcu_preempt07:30:152
4014479993124,5cyclictest4120169-21kworker/u8:0+events_unbound12:20:481
4014472993122,6cyclictest4091119-21sh10:50:000
4014486993022,5cyclictest4051036-21unixbench_singl08:50:263
4014486993021,4cyclictest0-21swapper/311:25:433
4014486993020,6cyclictest0-21swapper/312:35:253
4014486993019,7cyclictest4037801-21sh08:15:003
4014482993022,4cyclictest0-21swapper/212:25:262
4014482993022,4cyclictest0-21swapper/211:25:252
4014482993021,5cyclictest0-21swapper/207:25:002
4014482993019,7cyclictest0-21swapper/211:40:262
4014479993023,4cyclictest4032476-21latency_hist08:00:001
4014479993022,4cyclictest0-21swapper/111:45:261
4014479993021,6cyclictest4028607-21unixbench_multi07:45:271
4014479993020,7cyclictest4047604-21grep08:40:261
4014479993020,7cyclictest0-21swapper/109:20:011
4014472993023,3cyclictest4122027-21sh12:20:000
4014472993021,5cyclictest0-21swapper/007:40:220
4014472993019,8cyclictest4094520-21sh11:00:000
4014486992921,4cyclictest0-21swapper/312:20:243
4014482992922,5cyclictest4120169-21kworker/u8:0+events_unbound12:18:392
4014482992922,5cyclictest311ktimers/209:45:112
4014482992918,7cyclictest4066770-21grep09:35:252
4014482992910,4cyclictest0-21swapper/208:20:132
4014479992921,4cyclictest0-21swapper/109:45:141
4014479992920,6cyclictest4099186-21grep11:10:261
4014472992922,3cyclictest0-21swapper/008:39:590
4014472992922,3cyclictest0-21swapper/008:39:590
4014472992921,4cyclictest0-21swapper/008:20:010
4014472992920,5cyclictest0-21swapper/011:25:000
4014472992919,6cyclictest4089434-21grep10:45:000
4014472992919,6cyclictest4089434-21grep10:44:590
4014486992822,4cyclictest4050552-21kworker/u8:3+events_unbound09:20:283
4014486992821,4cyclictest0-21swapper/310:05:013
4014486992820,4cyclictest0-21swapper/309:00:263
4014486992815,6cyclictest131rcu_preempt12:30:113
4014482992822,4cyclictest4094260-21kworker/u8:1+events_unbound11:02:412
4014482992821,5cyclictest4087345-21kworker/u8:1+events_unbound10:40:132
4014482992821,5cyclictest4087345-21kworker/u8:1+events_unbound10:40:132
4014482992819,6cyclictest4118617-21sh12:10:012
4014482992819,6cyclictest0-21swapper/209:10:252
4014479992820,4cyclictest0-21swapper/107:30:281
4014479992819,5cyclictest0-21swapper/111:05:161
4014472992821,4cyclictest13550irq/42-30be0000.ethernet11:39:590
4014472992819,5cyclictest0-21swapper/007:39:590
4014472992817,6cyclictest0-21swapper/012:30:240
4014486992720,4cyclictest4077485-21kthreadd10:10:013
4014486992719,5cyclictest0-21swapper/308:30:273
4014486992719,4cyclictest0-21swapper/311:45:263
401448299277,12cyclictest32-21ksoftirqd/207:45:272
401448299272,3cyclictest0-21swapper/210:45:112
4014482992721,4cyclictest4072159-21kworker/u8:2+events_unbound09:55:272
4014482992721,4cyclictest4033963-21kworker/u8:1+events_unbound08:25:142
401448299272,13cyclictest0-21swapper/211:12:512
4014482992715,8cyclictest0-21swapper/208:05:262
4014482992713,6cyclictest4089267-21kworker/u8:0+events_unbound10:54:322
401448299270,13cyclictest0-21swapper/210:22:152
4014479992720,4cyclictest0-21swapper/109:25:161
4014479992720,4cyclictest0-21swapper/109:25:161
4014479992719,4cyclictest0-21swapper/111:45:001
4014479992717,7cyclictest4068543-21grep09:40:271
4014479992717,7cyclictest0-21swapper/111:40:001
4014472992719,6cyclictest4080887-21munin-plugin-st10:20:010
4014486992620,3cyclictest0-21swapper/311:20:163
4014486992616,5cyclictest0-21swapper/311:35:253
4014486992615,4cyclictest40398402cat08:20:153
401448299268,10cyclictest131rcu_preempt11:30:242
401448299268,10cyclictest131rcu_preempt11:30:242
4014482992619,3cyclictest0-21swapper/207:35:172
4014482992618,5cyclictest0-21swapper/212:00:172
4014479992619,4cyclictest0-21swapper/111:55:241
4014479992618,5cyclictest0-21swapper/112:10:011
4014479992617,5cyclictest0-21swapper/109:00:161
4014479992616,7cyclictest4087258-21grep10:35:291
4014479992615,8cyclictest4019902-21grep07:20:271
4014472992619,4cyclictest13550irq/42-30be0000.ethernet10:40:000
4014472992619,4cyclictest0-21swapper/010:25:250
4014472992619,3cyclictest0-21swapper/011:40:260
4014472992618,6cyclictest4030454-21kworker/u8:1+events_unbound07:55:020
4014472992618,4cyclictest0-21swapper/009:30:260
4014486992517,5cyclictest0-21swapper/309:30:163
401448299256,6cyclictest131rcu_preempt08:35:112
401448299256,6cyclictest131rcu_preempt08:35:112
4014482992519,3cyclictest0-21swapper/209:40:132
4014482992518,5cyclictest4041044-21kworker/u8:2+events_unbound08:50:072
4014482992517,5cyclictest0-21swapper/209:20:162
4014482992515,6cyclictest0-21swapper/210:35:292
4014479992519,3cyclictest0-21swapper/111:30:231
4014479992519,3cyclictest0-21swapper/111:30:221
4014479992519,3cyclictest0-21swapper/109:50:151
4014479992517,4cyclictest0-21swapper/110:45:251
4014479992516,6cyclictest4122068-21grep12:20:011
4014479992516,5cyclictest0-21swapper/112:00:471
4014472992519,4cyclictest0-21swapper/009:15:120
4014472992519,3cyclictest0-21swapper/008:55:210
4014472992517,4cyclictest0-21swapper/011:30:150
4014472992517,4cyclictest0-21swapper/011:30:150
4014472992516,5cyclictest0-21swapper/009:55:010
401447299251,5cyclictest4072697-21df09:55:140
401447299251,4cyclictest4034479-21apt-config08:05:020
401447299251,21cyclictest4035759-21sshd08:05:530
401447299251,20cyclictest0-21swapper/010:09:130
401447299251,20cyclictest0-21swapper/009:36:450
401447299251,20cyclictest0-21swapper/008:14:430
4014486992417,4cyclictest0-21swapper/311:40:263
4014486992416,5cyclictest0-21swapper/312:00:263
4014486992415,6cyclictest0-21swapper/308:40:003
4014486992415,6cyclictest0-21swapper/308:39:593
4014486992415,5cyclictest0-21swapper/309:25:253
4014486992415,5cyclictest0-21swapper/309:25:243
4014486992415,5cyclictest0-21swapper/307:30:293
4014486992414,6cyclictest0-21swapper/307:45:273
4014486992414,6cyclictest0-21swapper/307:10:253
4014482992419,3cyclictest4125862-21sort12:30:162
4014482992418,4cyclictest4033963-21kworker/u8:1+events_unbound08:10:452
4014482992418,4cyclictest4028716-21kworker/u8:0+events_unbound07:52:502
4014482992417,5cyclictest4026989-21kworker/u8:2+events_unbound07:42:022
4014482992416,5cyclictest0-21swapper/210:25:252
4014479992418,3cyclictest0-21swapper/111:50:151
4014479992418,3cyclictest0-21swapper/111:20:011
4014479992417,4cyclictest4119882-21grep12:10:261
4014479992417,4cyclictest4111495-21kworker/u8:1+events_unbound12:30:501
4014479992417,4cyclictest0-21swapper/111:20:261
4014479992417,4cyclictest0-21swapper/108:50:171
4014479992416,5cyclictest4073579-21tail09:55:261
4014479992416,5cyclictest0-21swapper/107:40:141
4014479992414,7cyclictest204-21dbus-daemon08:55:211
4014479992413,8cyclictest4016300-21munin-node07:15:021
4014479992413,8cyclictest204-21dbus-daemon07:39:591
4014472992417,4cyclictest13550irq/42-30be0000.ethernet08:25:270
4014472992417,3cyclictest0-21swapper/007:19:250
401447299241,6cyclictest629-21snmpd08:34:400
4014472992416,4cyclictest0-21swapper/012:25:250
401447299241,4cyclictest40398402cat08:20:150
4014472992414,6cyclictest4092835-21basename10:55:000
4014472992414,6cyclictest0-21swapper/011:20:010
401447299241,21cyclictest0-21swapper/012:10:200
401447299241,19cyclictest0-21swapper/007:25:570
401447299241,19cyclictest0-21swapper/007:10:570
401447299240,20cyclictest0-21swapper/009:41:390
401447299240,20cyclictest0-21swapper/008:46:050
401448699232,18cyclictest0-21swapper/307:20:143
4014486992318,3cyclictest4039258-21sh08:17:003
4014486992316,3cyclictest0-21swapper/307:55:283
4014486992315,5cyclictest0-21swapper/309:40:263
4014486992315,5cyclictest0-21swapper/307:40:003
4014486992315,4cyclictest0-21swapper/312:15:263
4014486992314,5cyclictest0-21swapper/308:05:173
4014482992317,3cyclictest0-21swapper/209:00:262
4014482992312,8cyclictest4080877-21sh10:20:012
4014479992317,3cyclictest0-21swapper/110:10:201
4014479992317,3cyclictest0-21swapper/108:45:281
4014479992317,3cyclictest0-21swapper/108:05:221
4014479992316,4cyclictest0-21swapper/109:15:011
4014479992312,8cyclictest204-21dbus-daemon10:25:351
4014479992312,7cyclictest204-21dbus-daemon07:19:531
4014472992316,4cyclictest13850irq/36-mmc107:35:010
4014472992316,3cyclictest0-21swapper/012:23:010
4014472992316,3cyclictest0-21swapper/012:00:570
4014472992314,6cyclictest4098407-21fschecks_time11:10:160
401447299231,20cyclictest0-21swapper/007:21:530
401447299231,18cyclictest0-21swapper/012:36:150
401447299231,18cyclictest0-21swapper/010:20:040
401447299230,19cyclictest0-21swapper/008:41:010
4014486992214,4cyclictest0-21swapper/308:45:283
4014486992212,5cyclictest0-21swapper/311:05:223
4014479992216,3cyclictest0-21swapper/112:25:141
4014479992216,3cyclictest0-21swapper/108:00:241
4014479992215,4cyclictest4086003-21idleruntime-cro10:35:001
4014479992215,4cyclictest0-21swapper/111:25:171
4014479992214,5cyclictest231ktimers/108:15:161
4014479992214,5cyclictest0-21swapper/109:20:141
4014472992215,3cyclictest0-21swapper/011:45:580
4014472992215,3cyclictest0-21swapper/009:48:370
4014472992212,6cyclictest0-21swapper/011:00:270
401447299221,18cyclictest4029648-21uname07:50:190
4014472992210,8cyclictest0-21swapper/009:00:230
4014486992115,3cyclictest4058451-21latency_hist09:15:013
4014486992115,3cyclictest0-21swapper/309:35:163
4014486992114,4cyclictest4029836-21ntpq07:50:223
4014486992114,3cyclictest0-21swapper/312:25:173
4014486992112,5cyclictest0-21swapper/311:10:253
401447999218,9cyclictest4082612-21munin-plugin-st10:25:001
4014479992115,3cyclictest0-21swapper/110:55:171
4014479992111,8cyclictest4029540-21perl07:50:181
4014479992110,7cyclictest4128321-21cat12:35:251
4014472992116,3cyclictest13850irq/36-mmc110:30:170
4014472992116,3cyclictest0-21swapper/011:26:270
401447299211,17cyclictest4117150-21/usr/sbin/munin12:05:110
401447299211,16cyclictest0-21swapper/007:46:180
4014486992014,3cyclictest0-21swapper/311:55:183
4014486992013,5cyclictest391ktimers/311:00:243
4014486992013,3cyclictest0-21swapper/312:10:263
4014479992014,4cyclictest4096262-21idleruntime-cro11:05:011
4014479992014,3cyclictest0-21swapper/110:40:171
4014479992014,3cyclictest0-21swapper/110:40:161
4014479992014,3cyclictest0-21swapper/110:15:251
401447999197,9cyclictest204-21dbus-daemon10:00:311
401447999192,13cyclictest4056106-21grep09:05:271
4014479991912,5cyclictest231ktimers/110:50:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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