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2025-12-28 - 16:47

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 Sun Dec 28, 2025 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3323050995343,7cyclictest3378353-21grep09:45:243
3323050995343,7cyclictest3378353-21grep09:45:243
3323050995143,5cyclictest204-21dbus-daemon10:20:243
3323035994941,6cyclictest3367927-21kworker/u8:1+events_unbound09:40:160
3323045994841,4cyclictest3378777-21munin-plugin-st09:50:002
3323045994841,4cyclictest3378777-21munin-plugin-st09:50:002
3323040994841,4cyclictest3342543-21munin-plugin-st08:05:001
3323035994837,8cyclictest3375137-21apt-get09:40:000
3323050994734,10cyclictest391ktimers/311:30:133
3323040994333,7cyclictest438-21cron10:30:011
3323040994234,5cyclictest3378776-21munin-run09:50:001
3323040994234,5cyclictest3378776-21munin-run09:50:001
3323040994230,8cyclictest3350787-21grep08:25:271
3323035994231,7cyclictest3331833-21grep07:30:250
3323050994132,5cyclictest0-21swapper/309:40:003
3323040994131,7cyclictest3372971-21unixbench_multi09:30:261
3323035994133,6cyclictest3411592-21kworker/u8:0+events_unbound11:30:440
3323035994133,5cyclictest3413510-21cat11:30:010
3323035994128,9cyclictest121ktimers/009:25:130
3323035994127,9cyclictest3328901-21grep07:25:010
3323050994033,4cyclictest3402861-21audit_send_reply11:00:003
3323050994031,6cyclictest3392204-21unixbench_singl10:25:233
3323045994033,4cyclictest3425461-21cron12:05:002
3323045994030,6cyclictest0-21swapper/207:15:012
3323035994034,4cyclictest3413743-21kworker/u8:1+events_unbound12:10:520
3323035994031,5cyclictest3380482-21munin-plugin-st09:55:000
3323035994031,5cyclictest3380482-21munin-plugin-st09:55:000
3323035994027,10cyclictest121ktimers/007:40:120
3323050993925,10cyclictest391ktimers/308:00:143
3323045993930,6cyclictest3390508-21unixbench_singl10:20:262
3323050993828,6cyclictest0-21swapper/310:00:003
3323045993831,3cyclictest0-21swapper/209:05:012
3323045993828,6cyclictest3372969-21grep09:30:262
3323040993829,5cyclictest0-21swapper/107:35:181
3323035993832,4cyclictest3356001-21kworker/u8:2+events_unbound08:55:080
3323035993827,7cyclictest3385383-21grep10:05:250
3323035993823,5cyclictest131rcu_preempt08:25:170
3323045993730,4cyclictest3375148-21cat09:40:002
3323045993727,6cyclictest0-21swapper/211:25:002
3323045993726,6cyclictest0-21swapper/208:20:272
3323035993731,4cyclictest3367927-21kworker/u8:1+events_unbound09:30:160
3323035993726,6cyclictest0-21swapper/007:20:010
3323050993627,6cyclictest0-21swapper/312:00:003
3323050993626,6cyclictest0-21swapper/312:05:253
3323050993626,6cyclictest0-21swapper/310:00:273
3323050993625,7cyclictest0-21swapper/311:40:253
3323045993629,4cyclictest3389216-21munin-plugin-st10:20:002
3323045993629,4cyclictest3361490-21munin-plugin-st09:00:012
3323040993625,7cyclictest0-21swapper/107:30:251
3323040993615,9cyclictest24-21ksoftirqd/110:35:151
3323035993622,5cyclictest131rcu_preempt08:43:230
3323050993527,4cyclictest0-21swapper/312:25:183
3323050993527,4cyclictest0-21swapper/312:25:183
3323045993525,6cyclictest0-21swapper/211:10:262
3323045993525,6cyclictest0-21swapper/209:50:252
3323045993525,6cyclictest0-21swapper/209:50:252
3323045993525,6cyclictest0-21swapper/209:05:272
3323045993525,6cyclictest0-21swapper/207:55:002
3323035993528,5cyclictest3433782-21kworker/u8:2+events_unbound12:32:410
3323035993525,4cyclictest131rcu_preempt09:18:560
3323035993520,4cyclictest131rcu_preempt07:45:540
3323035993515,5cyclictest131rcu_preempt11:35:150
3323035993514,5cyclictest0-21swapper/009:45:560
3323035993514,5cyclictest0-21swapper/009:45:560
3323050993425,6cyclictest3397330-21unixbench_singl10:40:263
3323050993424,6cyclictest0-21swapper/310:05:253
3323050993423,6cyclictest0-21swapper/312:15:183
3323045993427,3cyclictest0-21swapper/210:10:182
3323045993424,6cyclictest3331866-21grep07:30:252
3323040993422,8cyclictest204-21dbus-daemon10:20:241
3323035993421,5cyclictest131rcu_preempt07:10:240
3323035993419,9cyclictest131rcu_preempt08:32:200
3323035993417,4cyclictest131rcu_preempt10:33:530
3323035993417,11cyclictest131rcu_preempt09:10:010
3323035993413,11cyclictest0-21swapper/011:19:120
3323050993325,5cyclictest3395567-21grep10:35:273
3323050993323,6cyclictest3373428-21cron09:35:003
3323050993323,6cyclictest0-21swapper/311:50:243
3323050993323,6cyclictest0-21swapper/310:10:283
3323040993326,4cyclictest0-21swapper/111:15:001
3323040993325,5cyclictest3351717-21cut08:30:201
3323040993325,4cyclictest0-21swapper/109:45:001
3323040993323,6cyclictest3381715-21grep09:55:261
3323035993323,7cyclictest121ktimers/010:25:100
3323035993323,7cyclictest0-21swapper/011:20:250
3323035993322,4cyclictest131rcu_preempt08:08:280
3323035993315,11cyclictest131rcu_preempt11:50:160
3323050993224,5cyclictest208-21systemd-logind11:10:373
3323050993223,5cyclictest0-21swapper/307:55:263
3323050993222,6cyclictest0-21swapper/309:15:253
3323045993222,6cyclictest0-21swapper/208:50:162
3323045993222,6cyclictest0-21swapper/207:25:012
3323045993222,6cyclictest0-21swapper/207:15:262
3323040993225,4cyclictest3420338-21sh11:50:001
3323040993225,4cyclictest0-21swapper/108:45:261
3323040993223,6cyclictest0-21swapper/110:05:001
3323040993221,8cyclictest3397748-21sh10:45:011
332303599329,12cyclictest11-21ksoftirqd/009:10:170
3323035993224,5cyclictest3406496-21munin-plugin-st11:10:010
3323035993222,4cyclictest131rcu_preempt11:41:280
3323035993221,8cyclictest121ktimers/010:15:120
3323035993221,4cyclictest131rcu_preempt10:52:140
3323035993219,3cyclictest131rcu_preempt08:14:470
3323035993215,4cyclictest131rcu_preempt08:45:150
3323035993214,11cyclictest131rcu_preempt08:40:020
3323050993123,5cyclictest0-21swapper/307:25:253
3323045993123,5cyclictest0-21swapper/211:05:012
3323045993123,4cyclictest3396039-21cron10:40:012
3323045993122,5cyclictest0-21swapper/212:35:002
3323045993121,6cyclictest0-21swapper/208:40:252
3323040993124,4cyclictest0-21swapper/109:00:011
3323040993122,6cyclictest0-21swapper/107:55:171
3323040993122,5cyclictest3369632-21grep09:20:271
3323040993122,5cyclictest0-21swapper/107:25:251
3323040993121,6cyclictest0-21swapper/112:30:261
3323040993121,6cyclictest0-21swapper/109:15:251
3323035993123,4cyclictest0-21swapper/007:54:590
3323035993119,3cyclictest131rcu_preempt09:22:050
3323035993118,5cyclictest131rcu_preempt08:15:270
3323035993115,5cyclictest131rcu_preempt10:45:220
3323035993115,5cyclictest131rcu_preempt10:45:220
3323035993114,5cyclictest131rcu_preempt12:25:000
3323035993114,5cyclictest131rcu_preempt12:25:000
3323035993114,10cyclictest131rcu_preempt07:35:270
3323035993112,5cyclictest131rcu_preempt07:55:210
3323050993023,4cyclictest0-21swapper/309:25:003
3323050993022,4cyclictest0-21swapper/311:05:273
3323050993021,6cyclictest0-21swapper/309:05:013
3323050993021,6cyclictest0-21swapper/308:05:273
3323050993021,6cyclictest0-21swapper/307:50:253
3323045993024,3cyclictest0-21swapper/210:00:002
3323045993023,3cyclictest0-21swapper/209:15:242
3323045993023,3cyclictest0-21swapper/208:10:252
3323045993021,5cyclictest0-21swapper/211:45:232
3323045993020,6cyclictest0-21swapper/211:40:162
3323040993023,5cyclictest3344218-21kworker/u8:3+events_unbound08:09:571
3323040993020,7cyclictest0-21swapper/109:40:011
3323040993017,9cyclictest3371732-21sh09:30:001
332303599302,20cyclictest11-21ksoftirqd/009:55:200
3323035993018,3cyclictest131rcu_preempt12:28:470
3323035993018,3cyclictest131rcu_preempt12:28:470
3323035993012,3cyclictest131rcu_preempt08:20:490
3323035993012,10cyclictest131rcu_preempt08:50:230
3323035993011,11cyclictest11-21ksoftirqd/010:55:180
3323035993011,10cyclictest131rcu_preempt09:03:470
3323035993010,12cyclictest131rcu_preempt11:00:200
3323035993010,11cyclictest11-21ksoftirqd/010:35:250
3323050992922,4cyclictest0-21swapper/307:50:003
3323050992921,4cyclictest0-21swapper/308:40:253
3323050992920,6cyclictest3415977-21grep11:35:203
3323050992920,6cyclictest0-21swapper/312:25:003
3323050992920,6cyclictest0-21swapper/312:25:003
3323045992923,3cyclictest0-21swapper/210:10:002
3323045992921,4cyclictest0-21swapper/207:40:162
3323045992918,7cyclictest0-21swapper/208:10:022
3323040992921,5cyclictest0-21swapper/109:55:001
3323040992921,5cyclictest0-21swapper/109:55:001
332303599297,7cyclictest11-21ksoftirqd/011:55:240
332303599296,7cyclictest11-21ksoftirqd/010:05:000
3323035992919,6cyclictest0-21swapper/010:20:260
3323035992918,6cyclictest0-21swapper/012:15:270
3323035992918,3cyclictest131rcu_preempt11:10:200
3323035992916,5cyclictest131rcu_preempt11:45:170
3323035992916,5cyclictest131rcu_preempt08:00:160
3323050992820,5cyclictest0-21swapper/309:55:003
3323050992820,5cyclictest0-21swapper/309:55:003
3323050992819,6cyclictest0-21swapper/311:20:013
3323050992819,6cyclictest0-21swapper/308:50:013
3323050992817,7cyclictest0-21swapper/308:20:273
3323045992823,3cyclictest3347693-21kworker/u8:2+events_unbound08:35:022
3323045992820,5cyclictest0-21swapper/207:25:252
3323045992820,4cyclictest0-21swapper/210:40:262
3323045992819,6cyclictest0-21swapper/209:10:252
3323045992819,5cyclictest0-21swapper/207:45:262
3323045992817,7cyclictest3370277-21sshd09:25:132
3323040992821,5cyclictest3347693-21kworker/u8:2+events_unbound08:19:591
3323040992821,4cyclictest0-21swapper/112:00:001
3323040992818,7cyclictest3325910-21fschecks_time07:15:161
3323040992817,8cyclictest3364489-21grep09:05:271
332303599289,11cyclictest11-21ksoftirqd/007:25:130
3323035992817,4cyclictest131rcu_preempt12:05:250
3323035992816,5cyclictest131rcu_preempt12:35:290
3323035992816,4cyclictest131rcu_preempt10:40:200
3323050992719,5cyclictest0-21swapper/307:35:283
3323050992718,6cyclictest0-21swapper/311:30:013
3323050992718,6cyclictest0-21swapper/308:20:013
3323050992715,8cyclictest0-21swapper/308:10:253
332305099271,4cyclictest0-21swapper/307:34:373
3323045992720,4cyclictest3416927-21munin-run11:40:002
3323045992720,3cyclictest0-21swapper/208:00:002
3323045992719,3cyclictest0-21swapper/212:15:512
3323040992720,4cyclictest0-21swapper/112:20:251
3323040992720,4cyclictest0-21swapper/112:20:251
3323040992718,6cyclictest0-21swapper/108:20:261
3323040992718,5cyclictest0-21swapper/110:05:251
3323040992717,6cyclictest0-21swapper/108:45:011
332303599277,11cyclictest11-21ksoftirqd/010:10:280
3323050992618,5cyclictest0-21swapper/309:15:003
3323050992617,6cyclictest0-21swapper/308:25:193
3323045992618,5cyclictest0-21swapper/209:25:002
3323045992617,5cyclictest0-21swapper/212:20:252
3323045992617,5cyclictest0-21swapper/212:20:252
3323045992617,5cyclictest0-21swapper/208:30:192
3323045992615,6cyclictest0-21swapper/211:25:262
3323045992614,9cyclictest3399476-21basename10:50:012
3323045992614,9cyclictest3399476-21basename10:50:012
3323040992619,4cyclictest0-21swapper/111:15:381
3323040992618,4cyclictest3402872-21sendmail11:00:001
3323040992617,5cyclictest0-21swapper/111:25:161
3323040992616,7cyclictest3398999-21grep10:45:261
3323040992616,7cyclictest3398999-21grep10:45:261
332304099261,21cyclictest3328432-21grep07:20:351
3323050992519,3cyclictest0-21swapper/312:00:283
3323050992519,3cyclictest0-21swapper/307:15:213
3323050992518,5cyclictest0-21swapper/312:35:283
3323050992516,6cyclictest0-21swapper/310:15:173
3323045992518,3cyclictest0-21swapper/209:40:202
3323045992517,5cyclictest0-21swapper/207:35:232
3323045992514,8cyclictest204-21dbus-daemon12:05:492
3323045992514,8cyclictest204-21dbus-daemon11:05:352
3323040992519,3cyclictest0-21swapper/111:20:251
3323040992516,6cyclictest0-21swapper/111:40:011
3323040992515,7cyclictest0-21swapper/107:15:011
332305099249,11cyclictest391ktimers/307:20:193
3323050992418,3cyclictest0-21swapper/309:00:013
3323050992417,5cyclictest3324448-21unixbench_singl07:10:263
3323050992416,5cyclictest0-21swapper/309:25:233
3323050992416,4cyclictest0-21swapper/310:50:183
3323050992415,6cyclictest0-21swapper/311:50:003
3323045992417,3cyclictest0-21swapper/212:35:242
3323045992416,5cyclictest0-21swapper/211:20:012
3323045992416,5cyclictest0-21swapper/210:30:012
3323040992419,3cyclictest3404101-21switchtime11:00:261
3323040992418,3cyclictest0-21swapper/108:50:241
3323040992417,5cyclictest3413743-21kworker/u8:1+events_unbound12:17:591
3323040992417,4cyclictest0-21swapper/110:15:001
3323040992416,5cyclictest3354667-21sh08:40:011
3323040992416,4cyclictest3428859-21sh12:15:001
3323040992415,6cyclictest0-21swapper/111:50:231
3323040992414,7cyclictest3417701-21ntpq11:40:201
3323050992317,3cyclictest0-21swapper/311:00:233
3323050992315,5cyclictest0-21swapper/308:40:013
3323050992313,6cyclictest0-21swapper/310:30:253
3323045992317,3cyclictest0-21swapper/208:25:262
3323045992316,4cyclictest0-21swapper/211:55:142
3323045992316,3cyclictest0-21swapper/211:30:162
3323045992315,5cyclictest0-21swapper/208:15:182
3323045992315,5cyclictest0-21swapper/208:00:252
3323045992313,7cyclictest3402912-21cat11:00:002
3323040992317,4cyclictest3361237-21kworker/u8:1+events_unbound09:00:081
3323040992317,4cyclictest3332086-21kworker/u8:2+events_unbound07:50:281
3323040992316,4cyclictest3393868-21tail10:30:251
3323040992316,4cyclictest0-21swapper/111:30:261
3323040992314,6cyclictest3433565-21grep12:25:281
3323040992314,6cyclictest3433565-21grep12:25:281
3323040992310,9cyclictest3424385-21runrttasks12:00:211
3323050992216,3cyclictest0-21swapper/307:40:173
3323050992215,4cyclictest3363580-21fschecks_count09:05:173
3323050992214,5cyclictest0-21swapper/312:30:263
3323050992214,5cyclictest0-21swapper/308:55:013
3323050992214,5cyclictest0-21swapper/308:30:303
3323045992216,3cyclictest0-21swapper/210:30:242
3323045992215,3cyclictest0-21swapper/212:10:222
3323045992215,3cyclictest0-21swapper/211:50:172
3323040992216,3cyclictest0-21swapper/107:45:231
3323040992215,4cyclictest0-21swapper/112:05:251
3323050992114,4cyclictest3428852-21cron12:15:003
3323045992113,5cyclictest0-21swapper/212:25:172
3323045992113,5cyclictest0-21swapper/212:25:172
3323045992113,5cyclictest0-21swapper/210:50:252
332304099213,14cyclictest3399894-21cut10:50:181
3323040992115,3cyclictest0-21swapper/109:10:181
3323050992012,5cyclictest391ktimers/309:40:133
3323040992015,3cyclictest0-21swapper/107:40:111
3323045991913,3cyclictest0-21swapper/208:45:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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