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2026-06-02 - 19:30

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 Tue Jun 02, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2394464995241,7cyclictest2448468-21grep09:40:243
2394457995241,7cyclictest2413324-21grep08:00:271
2394457995042,5cyclictest2436780-21idleruntime-cro09:10:001
2394464994935,10cyclictest391ktimers/308:55:143
2394464994935,10cyclictest391ktimers/308:55:133
2394464994934,11cyclictest391ktimers/312:25:093
2394457994836,8cyclictest2448457-21grep09:40:251
2394461994738,5cyclictest2419068-21cron08:20:002
2394457994736,8cyclictest231ktimers/108:25:141
2394452994740,4cyclictest0-21swapper/007:55:130
2394461994639,4cyclictest2500711-21cron12:15:002
2394452994534,7cyclictest2468096-21auditctl10:40:000
2394461994336,4cyclictest2505843-21apt12:30:002
2394461994235,4cyclictest0-21swapper/210:00:012
2394457994233,6cyclictest2474927-21cut11:00:001
2394461994134,4cyclictest2431242-21munin-plugin-st08:55:012
2394457994034,4cyclictest2453942-21kworker/u8:0+events_unbound10:15:171
2394457994034,4cyclictest2412403-21kworker/u8:1+events_unbound08:09:481
2394457994029,7cyclictest2502448-21sendmail12:20:001
2394452994032,5cyclictest2488131-21unixbench_singl11:35:270
2394452993931,4cyclictest2504137-21cron12:24:590
2394452993928,7cyclictest2449327-21grep09:45:160
2394464993830,4cyclictest0-21swapper/307:10:173
2394461993828,6cyclictest2503687-21unixbench_multi12:20:252
2394461993827,7cyclictest0-21swapper/209:00:162
2394457993830,4cyclictest2454065-21kworker/u8:010:00:001
2394457993829,5cyclictest0-21swapper/111:15:011
2394457993829,4cyclictest0-21swapper/110:45:011
2394461993728,6cyclictest2450214-21unixbench_singl09:45:252
2394461993727,6cyclictest0-21swapper/209:05:252
2394457993728,5cyclictest0-21swapper/112:30:281
2394457993728,5cyclictest0-21swapper/109:05:001
2394464993628,4cyclictest0-21swapper/309:50:243
2394464993627,4cyclictest0-21swapper/308:05:003
2394461993627,6cyclictest0-21swapper/211:50:012
2394457993629,5cyclictest2438283-21kworker/u8:1+events_unbound09:20:041
2394457993628,5cyclictest2488573-21grep11:40:001
2394457993624,5cyclictest131rcu_preempt12:00:161
2394457993610,7cyclictest24-21ksoftirqd/109:50:121
2394452993629,3cyclictest0-21swapper/011:30:150
2394452993627,5cyclictest2469807-21cron10:45:010
2394464993527,4cyclictest0-21swapper/309:55:273
2394464993526,4cyclictest0-21swapper/309:00:173
2394461993525,5cyclictest0-21swapper/209:40:242
2394457993526,5cyclictest0-21swapper/108:25:001
2394457993526,5cyclictest0-21swapper/108:25:001
2394457993519,5cyclictest131rcu_preempt08:55:021
2394457993519,5cyclictest131rcu_preempt08:55:021
2394457993519,3cyclictest131rcu_preempt11:06:111
2394452993529,4cyclictest2443634-21latency_hist09:30:010
2394452993527,6cyclictest2453942-21kworker/u8:0+events_unbound10:30:180
2394452993525,7cyclictest2424314-21apt-config08:35:000
2394464993427,4cyclictest2419071-21cron08:20:013
2394461993427,4cyclictest0-21swapper/212:00:262
2394461993426,5cyclictest2457875-21ls10:10:002
2394461993425,5cyclictest0-21swapper/210:55:012
2394461993423,7cyclictest0-21swapper/208:35:252
2394457993428,4cyclictest2479931-21kworker/u8:1+events_unbound11:17:411
2394457993424,5cyclictest2439699-21grep09:15:271
2394457993418,5cyclictest131rcu_preempt07:40:291
2394457993416,3cyclictest0-21swapper/112:37:221
2394457993416,3cyclictest0-21swapper/112:37:221
2394452993426,4cyclictest0-21swapper/009:20:010
2394452993425,4cyclictest0-21swapper/010:00:000
2394452993424,6cyclictest2427399-21grep08:40:270
2394464993327,4cyclictest2483462-21auditctl11:25:003
2394464993325,5cyclictest391ktimers/312:20:113
2394461993326,3cyclictest0-21swapper/209:20:002
2394461993323,6cyclictest0-21swapper/208:30:252
2394457993326,4cyclictest0-21swapper/112:10:151
2394457993325,4cyclictest0-21swapper/109:30:001
2394457993324,6cyclictest2417364-21cron08:15:011
2394457993324,5cyclictest0-21swapper/107:45:231
2394457993323,3cyclictest131rcu_preempt10:30:141
2394457993322,7cyclictest2498581-21grep12:05:261
2394457993322,4cyclictest131rcu_preempt10:08:521
2394457993321,8cyclictest2430809-21grep08:50:261
2394457993317,3cyclictest131rcu_preempt11:33:351
2394457993315,5cyclictest131rcu_preempt09:30:071
239445299332,5cyclictest131rcu_preempt07:20:120
2394452993325,5cyclictest2422489-21cron08:30:000
2394452993325,4cyclictest0-21swapper/012:35:260
2394452993325,4cyclictest0-21swapper/012:35:260
2394452993323,6cyclictest0-21swapper/011:15:260
2394452993323,4cyclictest0-21swapper/009:30:180
239445299330,30cyclictest0-21swapper/010:00:120
2394464993226,4cyclictest2468063-21kworker/u8:0+events_unbound10:40:163
2394464993224,4cyclictest0-21swapper/310:55:273
2394461993224,4cyclictest0-21swapper/207:20:012
2394461993222,6cyclictest0-21swapper/210:25:262
2394461993222,6cyclictest0-21swapper/208:00:012
2394461993222,6cyclictest0-21swapper/207:30:172
2394461993222,6cyclictest0-21swapper/207:30:172
239445799325,15cyclictest24-21ksoftirqd/107:25:021
2394457993223,5cyclictest0-21swapper/111:20:261
2394457993218,5cyclictest131rcu_preempt08:42:031
2394457993217,5cyclictest131rcu_preempt09:35:251
2394457993217,4cyclictest131rcu_preempt10:52:401
239445799320,18cyclictest2403511-21cron07:35:001
239445799320,18cyclictest2403511-21cron07:35:001
2394452993225,4cyclictest0-21swapper/010:25:260
2394452993224,4cyclictest0-21swapper/009:20:250
2394452993221,7cyclictest438-21cron12:00:000
2394464993124,4cyclictest2443604-21munin-plugin-st09:30:013
2394464993122,7cyclictest391ktimers/311:05:133
2394461993123,4cyclictest0-21swapper/208:45:172
2394461993122,6cyclictest0-21swapper/211:40:252
239445799319,15cyclictest24-21ksoftirqd/110:20:161
239445799315,6cyclictest24-21ksoftirqd/108:40:011
239445799312,15cyclictest0-21swapper/110:25:181
2394457993119,4cyclictest131rcu_preempt07:58:441
2394457993118,5cyclictest131rcu_preempt09:15:021
2394457993118,4cyclictest131rcu_preempt11:56:151
2394457993116,8cyclictest131rcu_preempt07:35:241
2394457993116,8cyclictest131rcu_preempt07:35:241
2394457993116,7cyclictest2405108-21kworker/u8:1+events_unbound07:54:341
2394457993113,11cyclictest131rcu_preempt11:00:181
2394452993124,5cyclictest2472939-21kworker/u8:1+events_unbound10:55:210
2394452993123,6cyclictest2456385-21kworker/u8:1+events_unbound10:05:050
2394452993123,4cyclictest13550irq/42-30be0000.ethernet08:45:250
2394452993121,7cyclictest2496893-21grep12:00:250
2394452993120,7cyclictest2402236-21fschecks_time07:30:170
2394452993120,7cyclictest2402236-21fschecks_time07:30:160
2394464993021,7cyclictest2452043-21kworker/u8:2+events_unbound10:00:093
2394464993021,6cyclictest2445044-21grep09:30:263
2394464993020,7cyclictest0-21swapper/309:20:003
2394461993022,4cyclictest0-21swapper/210:55:272
2394461993022,4cyclictest0-21swapper/210:40:252
2394461993022,4cyclictest0-21swapper/210:30:192
2394461993020,6cyclictest0-21swapper/210:14:592
2394461993020,6cyclictest0-21swapper/210:00:262
2394461993020,6cyclictest0-21swapper/209:35:252
2394461993020,6cyclictest0-21swapper/207:35:262
2394461993020,6cyclictest0-21swapper/207:35:252
2394461993018,6cyclictest0-21swapper/212:35:262
2394461993018,6cyclictest0-21swapper/212:35:252
239445799309,13cyclictest24-21ksoftirqd/112:21:281
239445799309,10cyclictest24-21ksoftirqd/107:10:231
2394457993016,5cyclictest131rcu_preempt10:35:191
2394457993016,4cyclictest131rcu_preempt07:19:451
2394457993015,5cyclictest131rcu_preempt10:45:271
2394457993015,4cyclictest131rcu_preempt11:46:171
2394457993014,9cyclictest0-21swapper/109:46:031
2394457993014,5cyclictest131rcu_preempt08:30:171
2394457993011,11cyclictest24-21ksoftirqd/111:55:001
2394457993011,11cyclictest131rcu_preempt08:50:001
2394452993023,4cyclictest0-21swapper/008:40:010
2394464992920,4cyclictest0-21swapper/307:30:273
2394464992920,4cyclictest0-21swapper/307:30:263
2394464992919,6cyclictest0-21swapper/309:45:163
2394461992922,3cyclictest0-21swapper/209:50:232
2394461992922,3cyclictest0-21swapper/208:20:232
2394461992922,3cyclictest0-21swapper/208:20:232
2394461992921,4cyclictest0-21swapper/212:05:252
2394461992918,7cyclictest0-21swapper/211:20:172
239445799298,5cyclictest131rcu_preempt10:10:221
2394457992912,3cyclictest131rcu_preempt11:42:421
2394457992911,11cyclictest131rcu_preempt08:15:161
2394457992910,3cyclictest0-21swapper/110:02:071
239445299294,4cyclictest131rcu_preempt07:45:120
239445299293,5cyclictest131rcu_preempt08:55:140
239445299293,5cyclictest131rcu_preempt08:55:140
2394452992923,4cyclictest2476487-21kworker/u8:0+events_unbound11:12:490
2394452992918,7cyclictest2477927-21grep11:05:270
2394464992820,4cyclictest0-21swapper/311:25:253
2394464992820,4cyclictest0-21swapper/311:25:253
2394464992820,4cyclictest0-21swapper/309:10:263
2394464992820,4cyclictest0-21swapper/308:30:163
2394464992819,5cyclictest0-21swapper/307:55:273
2394464992819,4cyclictest0-21swapper/311:50:253
2394461992820,4cyclictest0-21swapper/211:50:392
2394461992819,6cyclictest0-21swapper/208:30:012
2394461992819,5cyclictest0-21swapper/211:00:252
2394461992819,5cyclictest0-21swapper/210:20:152
2394457992818,7cyclictest2401823-21ls07:30:011
2394457992818,7cyclictest2401823-21ls07:30:001
239445299286,19cyclictest2501953-21grep12:15:250
239445299284,4cyclictest131rcu_preempt09:40:120
2394452992820,4cyclictest0-21swapper/011:29:590
2394452992820,4cyclictest0-21swapper/011:29:590
2394452992819,5cyclictest0-21swapper/011:45:010
2394452992817,8cyclictest204-21dbus-daemon10:10:140
239445299281,4cyclictest131rcu_preempt08:05:120
239445299281,4cyclictest131rcu_preempt07:35:130
239445299281,4cyclictest131rcu_preempt07:35:130
2394452992813,11cyclictest2451866-21grep09:50:240
2394452992813,10cyclictest204-21dbus-daemon07:14:370
2394464992720,4cyclictest0-21swapper/311:30:253
2394464992720,4cyclictest0-21swapper/310:30:193
2394464992719,4cyclictest0-21swapper/311:10:273
2394461992718,6cyclictest0-21swapper/209:30:002
2394461992718,6cyclictest0-21swapper/207:50:012
2394461992717,6cyclictest0-21swapper/207:45:002
2394461992717,6cyclictest0-21swapper/207:25:242
2394461992717,6cyclictest0-21swapper/207:25:242
2394461992715,6cyclictest0-21swapper/211:15:262
2394457992711,3cyclictest131rcu_preempt11:25:051
2394457992711,3cyclictest131rcu_preempt11:25:041
2394452992721,3cyclictest0-21swapper/012:25:170
2394452992720,3cyclictest0-21swapper/011:50:010
2394452992717,7cyclictest2460430-21proc_pri10:15:240
2394452992716,7cyclictest2418606-21grep08:15:250
239445299271,4cyclictest131rcu_preempt07:40:140
2394464992618,4cyclictest0-21swapper/312:00:153
2394464992617,5cyclictest0-21swapper/308:10:223
2394464992617,4cyclictest0-21swapper/310:05:203
2394464992616,7cyclictest2426538-21fschecks_count08:40:173
2394461992618,5cyclictest0-21swapper/209:25:002
2394461992616,6cyclictest0-21swapper/211:30:252
2394452992619,4cyclictest2498601-21head12:05:260
2394452992619,4cyclictest0-21swapper/008:50:250
2394452992619,4cyclictest0-21swapper/007:25:250
2394452992619,4cyclictest0-21swapper/007:25:250
2394452992617,7cyclictest121ktimers/009:00:170
2394464992518,5cyclictest2429206-21kworker/u8:1+events_unbound08:49:543
2394464992518,4cyclictest0-21swapper/309:20:253
2394464992517,4cyclictest2507935-21fschecks_count12:35:163
2394464992517,4cyclictest2507935-21fschecks_count12:35:163
2394464992517,4cyclictest0-21swapper/309:35:233
2394464992511,11cyclictest2431243-21cut08:55:003
2394461992518,4cyclictest2484715-21tail11:25:262
2394461992518,4cyclictest2484715-21tail11:25:262
2394461992518,4cyclictest0-21swapper/211:10:192
2394461992517,5cyclictest0-21swapper/209:30:162
2394461992512,9cyclictest1-21systemd11:05:262
239445299253,3cyclictest2483472-21munin-run11:25:000
2394452992519,3cyclictest0-21swapper/011:00:190
2394452992518,4cyclictest2438061-21grep09:10:260
2394452992517,4cyclictest0-21swapper/012:10:430
2394452992517,4cyclictest0-21swapper/009:40:000
239445299251,19cyclictest2409930-21grep07:50:260
2394464992418,3cyclictest0-21swapper/312:34:593
2394464992418,3cyclictest0-21swapper/307:40:243
2394464992417,3cyclictest0-21swapper/307:30:013
2394464992417,3cyclictest0-21swapper/307:30:003
2394464992415,6cyclictest2498127-21ntpq12:05:213
2394464992414,6cyclictest0-21swapper/312:15:253
2394464992414,5cyclictest0-21swapper/307:35:253
2394464992414,5cyclictest0-21swapper/307:35:253
2394464992413,7cyclictest0-21swapper/310:25:023
2394461992418,3cyclictest0-21swapper/208:00:262
2394461992416,4cyclictest0-21swapper/207:15:012
2394461992414,7cyclictest7085-21gdbus08:55:022
2394461992414,7cyclictest7085-21gdbus08:55:022
2394452992416,4cyclictest2397083-21fschecks_count07:15:150
239445299241,3cyclictest2461629-21df10:20:150
2394452992411,11cyclictest11-21ksoftirqd/008:00:170
2394464992317,4cyclictest2470579-21ntpq10:45:213
2394464992316,5cyclictest2406865-21kworker/u8:2+events_unbound07:49:443
2394464992316,4cyclictest2495126-21tail11:55:263
2394464992315,4cyclictest0-21swapper/307:50:203
2394461992316,5cyclictest2488360-21kworker/u8:2+events_unbound11:39:112
2394461992316,3cyclictest2502426-21kthreadd12:20:012
2394461992316,3cyclictest0-21swapper/212:30:172
2394461992315,5cyclictest0-21swapper/208:10:002
2394452992317,4cyclictest2412403-21kworker/u8:1+events_unbound08:10:190
2394452992316,3cyclictest0-21swapper/010:54:350
239445299231,18cyclictest0-21swapper/012:32:380
2394464992216,3cyclictest0-21swapper/310:25:253
2394464992215,3cyclictest0-21swapper/311:50:023
2394464992214,4cyclictest0-21swapper/311:40:163
2394464992213,5cyclictest0-21swapper/308:10:013
2394461992215,4cyclictest0-21swapper/210:50:002
2394461992214,5cyclictest0-21swapper/208:40:252
2394461992214,4cyclictest0-21swapper/207:20:262
2394461992213,5cyclictest0-21swapper/211:55:222
239446199220,20cyclictest311ktimers/210:15:332
239445299221,8cyclictest2470601-21ntpq10:45:220
239445299221,4cyclictest2436780-21idleruntime-cro09:10:000
2394464992115,4cyclictest2491622-21kworker/u8:3+events_unbound12:10:453
2394464992115,3cyclictest0-21swapper/311:15:123
2394464992115,3cyclictest0-21swapper/310:50:253
2394464992115,3cyclictest0-21swapper/307:20:163
2394464992114,3cyclictest0-21swapper/309:10:023
2394464992112,6cyclictest204-21dbus-daemon10:35:193
2394461992115,3cyclictest0-21swapper/208:15:002
2394461992115,3cyclictest0-21swapper/207:50:222
239445299211,5cyclictest0-21swapper/011:50:220
2394464992013,4cyclictest2426146-21modprobe08:40:013
2394464992011,7cyclictest2422577-21sed08:30:003
2394464992010,7cyclictest2475856-21wc11:00:223
2394461992014,3cyclictest0-21swapper/210:35:192
2394464991910,6cyclictest2459075-21cat10:10:243
2394461991912,5cyclictest311ktimers/209:10:142
2394464991811,5cyclictest391ktimers/308:20:113
2394464991811,5cyclictest391ktimers/308:20:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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