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2026-06-01 - 05:34

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 Mon Jun 01, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2583834995236,12cyclictest2692904-21fschecks_time00:25:162
2583834995122,6cyclictest2612476-21fschecks_count20:30:162
2583830994839,6cyclictest2584987-21unixbench_multi19:10:241
2583830994839,6cyclictest2584987-21unixbench_multi19:10:231
2583839994738,6cyclictest2587777-21grep19:20:003
2583830994638,5cyclictest0-21swapper/122:35:001
2583830994634,9cyclictest2592486-21grep19:30:261
2583825994433,7cyclictest2620177-21grep20:50:260
2583839994336,4cyclictest2671343-21munin-plugin-st23:20:013
2583830994235,4cyclictest2644926-21munin-plugin-st22:05:001
2583830994235,4cyclictest2644926-21munin-plugin-st22:05:001
2583830994232,6cyclictest0-21swapper/120:20:001
2583839994133,4cyclictest0-21swapper/319:40:013
2583834994132,6cyclictest2622310-21munin-run21:00:012
2583830994134,4cyclictest2604571-21unixbench_multi20:05:301
2583830994134,4cyclictest2604571-21unixbench_multi20:05:291
2583830994133,4cyclictest2664323-21sendmail23:00:001
2583830994133,4cyclictest2664323-21sendmail23:00:001
2583839994031,4cyclictest0-21swapper/320:55:253
2583834994032,4cyclictest2605057-21munin-plugin-st20:10:012
2583834994032,4cyclictest2605057-21munin-plugin-st20:10:012
2583834994030,7cyclictest2649810-21unixbench_singl22:15:252
2583830994033,4cyclictest0-21swapper/100:25:011
2583830994032,5cyclictest2587778-21munin-plugin-st19:20:011
2583830993932,4cyclictest2611879-21idleruntime-cro20:30:011
2583830993931,5cyclictest2599708-21cron19:55:001
2583830993927,9cyclictest2671346-21sendmail23:20:001
2583825993929,6cyclictest0-21swapper/022:00:290
2583825993929,6cyclictest0-21swapper/022:00:280
2583839993826,8cyclictest2603135-21auditctl20:05:013
2583834993830,5cyclictest208-21systemd-logind22:02:132
2583834993830,5cyclictest208-21systemd-logind22:02:122
2583834993824,10cyclictest311ktimers/221:10:122
2583830993828,7cyclictest2651519-21grep22:20:251
2583830993827,8cyclictest2595847-21grep19:40:261
2583839993729,5cyclictest2686692-21cron00:05:003
2583839993726,7cyclictest2663184-21kernelversion22:55:193
2583839993726,7cyclictest2663184-21kernelversion22:55:193
2583834993731,4cyclictest2601454-21idleruntime-cro20:00:002
2583834993729,4cyclictest0-21swapper/220:36:552
2583830993723,10cyclictest231ktimers/100:35:121
2583825993728,6cyclictest0-21swapper/021:40:010
2583825993727,6cyclictest0-21swapper/020:10:290
2583825993727,6cyclictest0-21swapper/020:10:280
2583839993629,3cyclictest0-21swapper/300:30:163
2583839993628,4cyclictest0-21swapper/321:20:253
2583839993625,6cyclictest0-21swapper/321:35:243
2583834993628,5cyclictest2635747-21unixbench_singl21:35:242
2583830993626,7cyclictest2620181-21grep20:50:261
2583825993629,4cyclictest2697591-21cat00:40:000
2583825993627,5cyclictest0-21swapper/000:25:010
2583825993627,5cyclictest0-21swapper/000:20:000
2583825993626,6cyclictest0-21swapper/020:40:260
2583825993625,6cyclictest0-21swapper/019:40:250
2583839993527,4cyclictest0-21swapper/323:15:003
2583839993527,4cyclictest0-21swapper/323:00:243
2583839993527,4cyclictest0-21swapper/323:00:243
2583839993527,4cyclictest0-21swapper/319:55:163
2583834993527,4cyclictest0-21swapper/223:22:282
2583834993525,6cyclictest0-21swapper/221:55:012
2583830993527,4cyclictest0-21swapper/121:10:251
2583830993524,8cyclictest2684504-21grep23:55:271
2583830993524,8cyclictest2684504-21grep23:55:261
2583825993526,6cyclictest0-21swapper/019:20:000
2583825993525,6cyclictest0-21swapper/023:40:260
2583825993525,6cyclictest0-21swapper/000:10:200
2583825993524,7cyclictest0-21swapper/023:00:240
2583825993524,7cyclictest0-21swapper/023:00:240
2583825993524,7cyclictest0-21swapper/019:11:360
2583825993524,7cyclictest0-21swapper/019:11:360
2583839993425,4cyclictest0-21swapper/321:50:243
2583834993425,6cyclictest2671326-21cron23:20:012
2583830993426,5cyclictest0-21swapper/100:20:011
2583830993424,6cyclictest2694627-21grep00:30:151
2583830993423,7cyclictest0-21swapper/121:20:241
2583825993426,6cyclictest2687336-21cron00:09:590
2583825993425,5cyclictest2632775-21idleruntime-cro21:30:000
2583825993424,6cyclictest0-21swapper/021:40:260
2583825993424,6cyclictest0-21swapper/021:20:010
2583839993323,6cyclictest2682805-21grep23:50:263
2583834993326,4cyclictest2663838-21unixbench_multi22:55:262
2583834993326,4cyclictest2663838-21unixbench_multi22:55:252
2583834993323,6cyclictest0-21swapper/221:22:052
2583825993327,4cyclictest2583816-21cyclictest22:20:000
2583839993222,6cyclictest0-21swapper/319:30:273
2583839993220,7cyclictest0-21swapper/323:30:003
2583834993226,3cyclictest0-21swapper/200:20:002
2583834993225,4cyclictest0-21swapper/220:10:282
2583834993225,4cyclictest0-21swapper/220:10:282
2583834993224,4cyclictest0-21swapper/222:30:002
2583830993223,5cyclictest0-21swapper/123:50:171
2583830993222,6cyclictest2658706-21grep22:40:241
2583830993222,6cyclictest0-21swapper/122:30:011
2583830993221,7cyclictest0-21swapper/119:20:261
2583825993222,6cyclictest0-21swapper/022:25:270
2583825993222,6cyclictest0-21swapper/022:05:260
2583839993123,5cyclictest0-21swapper/322:35:003
2583839993123,4cyclictest0-21swapper/321:25:243
2583839993122,5cyclictest2605048-21sh20:10:003
2583839993122,5cyclictest2605048-21sh20:10:003
2583839993121,6cyclictest0-21swapper/300:20:003
2583834993125,3cyclictest2617667-21fschecks_time20:45:172
2583834993121,6cyclictest0-21swapper/223:37:292
2583830993123,4cyclictest0-21swapper/123:45:241
2583830993122,6cyclictest0-21swapper/120:55:251
2583830993122,3cyclictest0-21swapper/121:20:001
2583830993121,6cyclictest0-21swapper/121:55:001
2583830993120,7cyclictest2668946-21grep23:10:241
2583830993117,10cyclictest438-21cron00:30:001
2583830993117,10cyclictest1-21systemd22:07:131
2583825993121,6cyclictest0-21swapper/021:30:250
2583825993121,6cyclictest0-21swapper/021:20:250
2583825993121,6cyclictest0-21swapper/020:55:250
2583825993121,5cyclictest0-21swapper/022:55:010
2583825993117,9cyclictest0-21swapper/021:12:020
2583839993023,4cyclictest0-21swapper/319:45:163
2583834993022,4cyclictest0-21swapper/219:20:002
2583834993020,7cyclictest2584987-21unixbench_multi19:10:242
2583834993020,7cyclictest2584987-21unixbench_multi19:10:242
2583834993018,9cyclictest0-21swapper/220:50:182
2583830993022,4cyclictest0-21swapper/100:15:011
2583825993024,3cyclictest13550irq/42-30be0000.ethernet20:05:170
2583825993024,3cyclictest13550irq/42-30be0000.ethernet20:05:170
2583825993022,4cyclictest0-21swapper/021:55:260
2583825993022,4cyclictest0-21swapper/021:55:250
2583825993021,6cyclictest0-21swapper/021:05:000
2583825993018,7cyclictest204-21dbus-daemon00:33:470
2583839992921,4cyclictest0-21swapper/322:45:153
2583839992921,4cyclictest0-21swapper/321:40:263
2583834992922,4cyclictest0-21swapper/221:05:172
2583834992919,6cyclictest0-21swapper/222:40:232
2583830992922,3cyclictest0-21swapper/120:20:181
2583830992920,5cyclictest0-21swapper/120:10:191
2583830992920,5cyclictest0-21swapper/120:10:191
2583830992918,7cyclictest0-21swapper/100:00:321
2583830992917,8cyclictest204-21dbus-daemon22:47:221
2583825992921,5cyclictest0-21swapper/019:50:010
2583825992919,6cyclictest0-21swapper/023:10:250
2583825992919,6cyclictest0-21swapper/020:15:260
2583825992919,6cyclictest0-21swapper/019:30:160
2583839992822,3cyclictest0-21swapper/323:35:163
2583839992821,5cyclictest145-21jbd2/mmcblk1p2-823:40:183
2583839992821,4cyclictest2697585-21sh00:40:003
2583839992821,3cyclictest0-21swapper/320:50:163
2583839992820,4cyclictest0-21swapper/322:40:233
2583839992820,4cyclictest0-21swapper/320:35:243
2583839992815,9cyclictest1-21systemd21:12:023
2583834992822,3cyclictest2594596-21kthreadd19:40:022
2583834992821,4cyclictest0-21swapper/221:25:252
2583834992819,6cyclictest0-21swapper/222:50:262
2583834992818,6cyclictest0-21swapper/223:30:002
2583825992821,4cyclictest0-21swapper/021:05:270
2583825992820,5cyclictest0-21swapper/020:40:000
2583825992819,5cyclictest0-21swapper/022:50:010
2583825992818,6cyclictest0-21swapper/023:25:260
2583825992818,6cyclictest0-21swapper/022:45:000
2583839992719,4cyclictest0-21swapper/320:21:533
2583839992717,7cyclictest2650228-21sh22:20:003
2583839992717,6cyclictest0-21swapper/319:55:003
2583834992720,4cyclictest0-21swapper/221:40:252
2583834992720,4cyclictest0-21swapper/219:50:172
2583834992719,5cyclictest0-21swapper/222:40:012
2583834992717,7cyclictest0-21swapper/200:35:012
2583834992717,6cyclictest0-21swapper/222:20:152
2583830992721,4cyclictest2637466-21grep21:40:251
2583830992720,5cyclictest2597822-21kworker/u8:2+events_unbound19:56:491
2583830992719,4cyclictest0-21swapper/120:00:271
2583830992717,6cyclictest2591192-21latency_hist19:30:001
2583830992716,7cyclictest0-21swapper/121:30:261
2583825992720,3cyclictest0-21swapper/023:59:590
2583825992720,3cyclictest0-21swapper/000:00:000
2583825992719,5cyclictest0-21swapper/022:10:170
2583825992719,5cyclictest0-21swapper/019:50:280
2583825992719,5cyclictest0-21swapper/019:20:220
2583825992718,6cyclictest2651949-21cron22:25:010
2583825992718,6cyclictest0-21swapper/022:35:000
2583825992718,5cyclictest0-21swapper/021:55:000
2583839992619,4cyclictest0-21swapper/323:30:153
2583839992618,4cyclictest0-21swapper/319:20:273
2583839992617,7cyclictest2684749-21kworker/u8:2+events_unbound00:10:553
2583839992616,6cyclictest2585000-21grep19:10:233
2583839992616,6cyclictest2585000-21grep19:10:233
2583839992615,6cyclictest2634025-21grep21:30:253
2583834992619,4cyclictest0-21swapper/223:00:262
2583834992619,4cyclictest0-21swapper/223:00:252
2583834992619,4cyclictest0-21swapper/221:15:182
2583834992617,5cyclictest0-21swapper/221:30:262
2583834992615,8cyclictest311ktimers/221:55:052
2583834992615,8cyclictest311ktimers/221:55:052
2583834992615,7cyclictest0-21swapper/220:00:282
2583830992620,3cyclictest0-21swapper/120:45:211
2583830992619,3cyclictest0-21swapper/121:35:161
2583830992618,4cyclictest2598016-21sh19:50:021
2583825992622,2cyclictest13550irq/42-30be0000.ethernet21:45:120
2583825992619,5cyclictest2613726-21kworker/u8:0+events_unbound20:47:000
2583825992619,4cyclictest0-21swapper/020:05:000
2583825992617,6cyclictest0-21swapper/023:10:000
258382599261,20cyclictest2678168-21awk23:40:010
2583839992520,3cyclictest2693661-21timerwakeupswit00:25:263
2583839992519,3cyclictest0-21swapper/320:10:233
2583839992519,3cyclictest0-21swapper/320:10:233
2583839992519,3cyclictest0-21swapper/300:20:183
2583839992518,4cyclictest0-21swapper/322:25:273
2583839992517,4cyclictest0-21swapper/323:20:263
2583839992517,4cyclictest0-21swapper/322:35:263
2583839992515,5cyclictest0-21swapper/320:45:273
2583839992515,5cyclictest0-21swapper/319:25:283
2583839992514,6cyclictest0-21swapper/321:05:273
2583839992513,8cyclictest204-21dbus-daemon22:52:233
2583834992517,4cyclictest0-21swapper/200:10:122
2583834992516,7cyclictest2681123-21unixbench_multi23:45:252
2583834992516,6cyclictest0-21swapper/222:10:282
2583834992515,6cyclictest0-21swapper/223:45:002
258383099253,15cyclictest2657467-21cron22:40:001
2583830992519,3cyclictest0-21swapper/121:05:231
2583830992518,4cyclictest0-21swapper/120:40:011
2583830992517,6cyclictest2666711-21sort23:05:201
2583830992512,9cyclictest231ktimers/121:25:111
258382599251,9cyclictest2664326-21sendmail-msp23:00:010
258382599251,9cyclictest2664326-21sendmail-msp23:00:000
2583825992518,3cyclictest0-21swapper/022:40:000
2583825992517,5cyclictest0-21swapper/020:00:010
2583825992517,4cyclictest0-21swapper/023:20:250
258382599251,3cyclictest2685234-21apt-get00:00:130
2583839992417,3cyclictest0-21swapper/322:10:263
2583839992417,3cyclictest0-21swapper/322:05:263
2583839992416,4cyclictest0-21swapper/321:45:163
2583839992415,6cyclictest2612542-21tune2fs20:30:163
2583839992414,7cyclictest2608505-21cut20:20:013
258383999240,21cyclictest2684407-21sed23:55:263
258383999240,21cyclictest2684407-21sed23:55:263
2583834992418,3cyclictest0-21swapper/220:20:262
2583834992417,4cyclictest0-21swapper/220:30:022
2583834992417,4cyclictest0-21swapper/200:00:322
2583834992414,6cyclictest0-21swapper/219:25:272
258383099243,14cyclictest2676445-21cron23:35:011
2583830992418,3cyclictest0-21swapper/122:10:271
2583830992414,7cyclictest2665115-21ntpq23:00:221
2583830992414,7cyclictest2665115-21ntpq23:00:211
2583830992414,7cyclictest2650243-21run-parts22:20:011
2583825992417,5cyclictest0-21swapper/023:55:000
2583825992416,5cyclictest0-21swapper/020:20:270
2583825992416,4cyclictest0-21swapper/019:40:010
2583825992413,7cyclictest0-21swapper/023:30:250
258382599241,19cyclictest0-21swapper/023:47:390
2583834992317,3cyclictest0-21swapper/221:45:262
258383099232,15cyclictest2624232-21auditctl21:05:011
2583830992317,3cyclictest2673445-21fschecks_count23:25:171
2583825992315,5cyclictest0-21swapper/020:35:010
2583825992315,4cyclictest0-21swapper/023:15:240
258382599231,18cyclictest0-21swapper/000:29:270
258382599230,19cyclictest0-21swapper/020:26:140
258383999222,4cyclictest131rcu_preempt22:20:163
2583839992215,3cyclictest0-21swapper/320:30:013
2583834992216,3cyclictest0-21swapper/222:05:212
2583834992215,5cyclictest2697120-21grep00:35:252
2583834992215,3cyclictest0-21swapper/223:35:002
2583834992215,3cyclictest0-21swapper/221:00:122
2583834992212,6cyclictest0-21swapper/219:40:262
258383099226,3cyclictest0-21swapper/123:44:421
258383099222,14cyclictest2677753-21head23:35:251
258383099222,13cyclictest2613772-21cron20:35:011
2583830992217,3cyclictest24-21ksoftirqd/120:40:121
2583830992212,7cyclictest2593363-21sort19:35:151
2583839992113,5cyclictest2680410-21cat23:45:163
2583839992112,5cyclictest2643861-21cat22:00:223
2583839992112,5cyclictest2643861-21cat22:00:223
2583834992116,3cyclictest0-21swapper/223:50:182
2583834992116,2cyclictest0-21swapper/220:40:142
2583834992114,5cyclictest208-21systemd-logind22:33:412
2583834992113,5cyclictest0-21swapper/200:20:172
258383099212,14cyclictest2687331-21cron00:09:591
2583830992115,4cyclictest0-21swapper/121:45:121
2583830992114,4cyclictest2641962-21idleruntime21:55:171
2583830992114,4cyclictest2641962-21idleruntime21:55:171
2583839992014,4cyclictest2630931-21kworker/u8:2+events_unbound21:55:013
2583839992014,4cyclictest2630931-21kworker/u8:2+events_unbound21:55:013
2583839992014,3cyclictest0-21swapper/321:15:233
2583839992013,5cyclictest391ktimers/320:40:133
2583839992011,6cyclictest2667218-21cat23:05:243
2583834992014,4cyclictest2583816-21cyclictest20:15:172
2583834992014,3cyclictest0-21swapper/223:10:152
2583834992014,3cyclictest0-21swapper/219:35:022
258383099201,3cyclictest2671582-21apt-get23:20:111
2583834991913,3cyclictest0-21swapper/219:45:272
2583834991912,5cyclictest311ktimers/200:05:102
2583834991912,5cyclictest0-21swapper/223:10:002
2583834991912,4cyclictest2684059-21ntpq23:55:222
2583834991912,4cyclictest2684059-21ntpq23:55:222
258383999181,13cyclictest2687345-21awk00:09:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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