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2026-06-23 - 08:41

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 376 highest latencies:
System rackbslot5s.osadl.org (updated Tue Jun 23, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2507077996139,18cyclictest2524638-21grep19:55:252
2507069994941,5cyclictest2605852-21unixbench_singl23:50:240
2507077994716,27cyclictest0-21swapper/221:20:162
2507081994436,5cyclictest2530179-21cron20:15:013
2507081994334,5cyclictest2559594-21cron21:40:003
2507069994337,4cyclictest2517834-21kworker/u8:2+events_unbound20:02:180
2507069994335,5cyclictest2594142-21grep23:19:590
2507069994335,4cyclictest2609297-21unixbench_singl00:00:290
2507081994231,7cyclictest2516333-21auditctl19:35:003
2507077994235,4cyclictest2583705-21munin-plugin-st22:50:012
2507077994234,5cyclictest2529722-21unixbench_multi20:10:272
2507077994215,24cyclictest0-21swapper/200:04:592
2507072994235,4cyclictest2566417-21cron22:00:011
2507069994215,4cyclictest131rcu_preempt00:10:130
2507077994116,22cyclictest0-21swapper/222:20:242
2507077994115,23cyclictest0-21swapper/221:40:142
2507077994111,9cyclictest204-21dbus-daemon00:07:372
2507081994032,5cyclictest2514645-21idleruntime-cro19:30:003
250707799403,10cyclictest2555731-21grep21:25:252
250707799402,12cyclictest2511373-21diskstats19:20:152
2507077994017,19cyclictest0-21swapper/219:15:012
250707799401,10cyclictest438-21cron00:15:002
2507069994011,5cyclictest131rcu_preempt21:20:120
2507081993926,9cyclictest2605869-21grep23:50:243
2507077993933,3cyclictest0-21swapper/223:10:002
2507077993931,5cyclictest2538926-21munin-plugin-st20:40:002
2507077993911,3cyclictest0-21swapper/219:25:232
2507081993828,5cyclictest0-21swapper/322:30:003
250707799388,6cyclictest2595939-21date23:25:012
250707799387,7cyclictest2519421-21seq19:41:032
2507077993811,3cyclictest0-21swapper/219:15:152
250707799381,10cyclictest2588811-21cron23:05:002
2507077993810,5cyclictest2577233-21/usr/sbin/munin22:30:152
2507081993729,6cyclictest391ktimers/300:35:133
250707799376,8cyclictest2550612-21grep21:10:272
2507077993727,7cyclictest2621373-21grep00:35:262
2507077993726,7cyclictest2604957-21fschecks_count23:50:162
250707799371,10cyclictest438-21cron23:34:592
250707799371,10cyclictest2597549-21cron23:30:012
2507072993728,4cyclictest0-21swapper/100:20:001
250706999371,7cyclictest11-21ksoftirqd/000:25:120
2507069993710,4cyclictest131rcu_preempt19:35:140
2507081993628,5cyclictest2523378-21idleruntime-cro19:55:003
2507081993625,8cyclictest0-21swapper/321:45:013
2507081993625,6cyclictest0-21swapper/321:55:143
250707799369,5cyclictest0-21swapper/200:15:262
250707799368,6cyclictest2581409-21wc22:40:232
2507077993629,4cyclictest2616743-21cron00:25:002
2507077993627,5cyclictest2526778-21cron20:05:002
2507077993613,4cyclictest311ktimers/220:49:222
2507077993612,21cyclictest0-21swapper/220:40:162
2507077993611,4cyclictest2599582-21cstates23:35:132
2507077993611,3cyclictest645-21runrttasks21:48:032
2507077993610,8cyclictest2556582-21cut21:30:162
2507081993528,4cyclictest2583708-21idleruntime-cro22:50:013
2507081993527,4cyclictest0-21swapper/322:25:013
250707799357,5cyclictest2592432-21cron23:15:002
2507077993523,7cyclictest0-21swapper/222:15:262
2507077993511,4cyclictest2580360-21latency_hist22:40:002
250707799351,11cyclictest2569835-21cron22:10:002
2507072993527,4cyclictest0-21swapper/123:55:151
2507072993524,7cyclictest0-21swapper/121:50:001
2507069993527,4cyclictest0-21swapper/023:10:010
2507081993426,4cyclictest0-21swapper/319:10:163
2507081993424,6cyclictest0-21swapper/319:25:013
250707799342,8cyclictest2547250-21grep21:00:272
2507077993412,3cyclictest2530711-21if_eth020:15:172
250707799341,12cyclictest2587093-21cron23:00:012
250707799341,10cyclictest2604393-21awk23:50:012
2507077993410,5cyclictest311ktimers/222:05:012
2507072993424,6cyclictest0-21swapper/120:05:261
250706999347,4cyclictest131rcu_preempt22:45:130
2507069993423,7cyclictest2614541-21grep00:15:250
2507081993325,5cyclictest2510595-21unixbench_singl19:15:263
250707799331,9cyclictest2564299-21grep21:50:262
2507072993322,7cyclictest2621392-21grep00:35:251
250706999334,9cyclictest11-21ksoftirqd/021:50:130
2507069993325,4cyclictest0-21swapper/021:35:170
2507069993323,7cyclictest2545959-21sendmail21:00:010
2507069993323,6cyclictest0-21swapper/022:00:250
2507069993322,7cyclictest151rcuc/020:45:120
2507081993222,5cyclictest0-21swapper/320:50:013
2507081993221,7cyclictest2607551-21grep23:55:243
250707799328,3cyclictest2535757-21fschecks_time20:30:162
2507077993224,4cyclictest0-21swapper/222:52:312
2507077993224,3cyclictest0-21swapper/223:45:002
2507077993223,4cyclictest2594136-21kthreadd23:20:002
250707799321,11cyclictest2533603-21cron20:25:012
2507072993225,4cyclictest2576702-21gpgv22:30:011
2507072993224,5cyclictest2611615-21apt-key00:10:001
2507072993223,6cyclictest2619731-21unixbench_singl00:30:251
2507072993223,6cyclictest2619731-21unixbench_singl00:30:251
2507072993223,6cyclictest0-21swapper/123:15:251
2507072993222,6cyclictest0-21swapper/123:35:001
2507072993221,8cyclictest2545519-21grep20:55:261
2507069993225,4cyclictest2611408-21sh00:10:000
2507069993224,4cyclictest0-21swapper/022:15:260
2507069993224,4cyclictest0-21swapper/020:10:260
2507069993214,15cyclictest2574985-21idleruntime-cro22:25:000
2507081993123,5cyclictest0-21swapper/322:15:013
2507081993123,4cyclictest0-21swapper/323:07:323
2507072993124,3cyclictest0-21swapper/120:45:011
2507072993123,4cyclictest0-21swapper/123:45:151
2507072993123,4cyclictest0-21swapper/123:05:171
2507072993122,5cyclictest2559624-21sendmail21:40:011
2507072993121,6cyclictest0-21swapper/121:10:011
2507072993120,7cyclictest0-21swapper/119:55:251
2507072993119,7cyclictest0-21swapper/122:00:261
2507069993123,4cyclictest2616282-21tail00:20:240
2507069993123,4cyclictest0-21swapper/022:55:240
2507069993113,6cyclictest131rcu_preempt00:35:120
2507081993023,4cyclictest2611413-21latency_hist00:10:003
2507081993022,4cyclictest0-21swapper/319:45:253
2507081993021,6cyclictest2554082-21grep21:20:263
2507081993019,8cyclictest2544252-21auditctl20:55:013
2507081993018,8cyclictest1-21systemd23:02:303
2507081993017,9cyclictest2518044-21run-parts19:40:003
250707799303,11cyclictest2606750-21perl23:55:162
2507072993023,4cyclictest0-21swapper/122:35:011
2507072993022,4cyclictest0-21swapper/100:30:001
2507072993020,7cyclictest2508903-21latency_hist19:15:021
2507072993019,7cyclictest2561333-21grep21:45:011
2507069993021,6cyclictest2548319-21ls21:05:210
2507069993019,7cyclictest2512842-21apt-config19:25:010
2507069993018,8cyclictest2592439-21basename23:15:000
2507081992921,6cyclictest2580297-21sendmail22:40:013
2507077992923,3cyclictest0-21swapper/221:35:262
2507072992921,4cyclictest0-21swapper/121:15:261
2507072992921,4cyclictest0-21swapper/121:15:251
250706999292,9cyclictest11-21ksoftirqd/022:30:130
2507069992919,8cyclictest2576669-21idleruntime-cro22:29:590
2507069992917,8cyclictest2531414-21grep20:15:250
2507081992820,4cyclictest0-21swapper/321:00:273
2507077992817,6cyclictest0-21swapper/219:50:262
2507072992820,5cyclictest0-21swapper/119:25:261
2507072992819,5cyclictest0-21swapper/123:10:221
2507072992819,5cyclictest0-21swapper/119:40:161
2507072992818,7cyclictest2543780-21unixbench_multi20:50:251
250706999282,5cyclictest2552786-21munin-run21:20:010
250706999282,5cyclictest2552786-21munin-run21:20:010
2507069992821,5cyclictest2585151-21kworker/u8:0+events_unbound23:25:010
2507069992820,4cyclictest0-21swapper/022:05:270
2507069992820,4cyclictest0-21swapper/020:45:000
2507069992820,4cyclictest0-21swapper/019:15:160
2507069992819,4cyclictest0-21swapper/022:40:250
2507069992818,6cyclictest2524657-21grep19:55:240
2507069992817,6cyclictest0-21swapper/019:45:250
2507081992720,5cyclictest0-21swapper/300:30:173
2507081992720,5cyclictest0-21swapper/300:30:173
2507081992720,3cyclictest0-21swapper/321:15:163
2507081992720,3cyclictest0-21swapper/321:15:153
2507081992717,6cyclictest2564259-21grep21:50:263
2507081992716,8cyclictest2617976-21grep00:25:243
2507081992716,7cyclictest0-21swapper/320:55:213
2507081992715,8cyclictest204-21dbus-daemon20:22:173
2507081992713,9cyclictest204-21dbus-daemon19:57:153
2507077992715,7cyclictest0-21swapper/219:30:262
2507072992720,4cyclictest0-21swapper/120:15:261
2507072992720,3cyclictest0-21swapper/123:50:161
2507072992719,5cyclictest0-21swapper/100:10:241
2507072992719,4cyclictest0-21swapper/123:20:251
2507072992719,4cyclictest0-21swapper/120:25:271
2507072992717,6cyclictest0-21swapper/123:25:251
2507069992721,4cyclictest2513171-21kworker/u8:1+events_unbound21:00:430
2507069992719,6cyclictest2583337-21kworker/u8:3+events_unbound23:45:190
2507069992717,7cyclictest121ktimers/022:50:120
2507069992715,8cyclictest2565139-21uniq21:55:140
2507069992715,8cyclictest204-21dbus-daemon21:47:250
250706999270,6cyclictest0-21swapper/020:05:130
2507081992618,5cyclictest0-21swapper/300:00:283
2507081992617,7cyclictest2513171-21kworker/u8:1+events_unbound20:37:203
2507077992619,3cyclictest0-21swapper/221:55:232
250707799261,6cyclictest2543781-21sed20:50:242
2507077992616,6cyclictest0-21swapper/221:15:242
2507077992616,6cyclictest0-21swapper/221:15:242
2507077992616,6cyclictest0-21swapper/219:35:262
2507072992619,4cyclictest0-21swapper/122:35:261
2507072992619,4cyclictest0-21swapper/121:25:241
2507072992618,5cyclictest2518034-21cron19:40:011
2507072992618,4cyclictest0-21swapper/121:00:161
2507072992617,5cyclictest2515879-21grep19:30:261
250706999262,11cyclictest2494093-21kworker/0:2+events19:52:460
2507069992620,4cyclictest2535284-21kworker/u8:0+events_unbound20:53:420
2507069992619,4cyclictest2583337-21kworker/u8:3+events_unbound23:30:120
2507069992619,3cyclictest0-21swapper/023:40:230
2507069992618,5cyclictest2598966-21kworker/u8:2+events_unbound23:35:480
2507069992618,5cyclictest2583337-21kworker/u8:3+events_unbound23:20:220
2507069992616,6cyclictest2515880-21grep19:30:250
2507069992615,7cyclictest2500803-1kworker/0:0H+mmc_complete20:40:000
250706999261,14cyclictest0-21swapper/023:00:510
250706999261,12cyclictest0-21swapper/021:11:040
2507069992611,13cyclictest121ktimers/020:30:010
2507081992517,5cyclictest2557490-21unixbench_singl21:30:253
2507081992516,7cyclictest391ktimers/322:30:033
2507081992516,5cyclictest2556199-21auditctl21:30:003
2507081992516,5cyclictest0-21swapper/322:15:263
2507081992516,5cyclictest0-21swapper/322:05:003
2507081992515,6cyclictest2528016-21grep20:05:263
2507077992516,6cyclictest0-21swapper/221:05:182
2507072992519,3cyclictest0-21swapper/122:10:221
2507072992518,4cyclictest0-21swapper/122:50:001
2507072992518,3cyclictest0-21swapper/121:20:151
2507072992518,3cyclictest0-21swapper/120:35:151
2507072992516,6cyclictest0-21swapper/121:50:251
2507072992514,8cyclictest2580880-21seq22:40:171
250707299250,22cyclictest231ktimers/122:15:221
250706999258,10cyclictest11-21ksoftirqd/020:30:130
2507069992517,4cyclictest0-21swapper/022:10:260
250706999251,20cyclictest0-21swapper/019:11:590
2507069992511,9cyclictest121ktimers/019:40:130
250706999251,12cyclictest2494093-21kworker/0:2+events00:32:450
250706999251,12cyclictest2494093-21kworker/0:2+events00:32:450
2507081992418,3cyclictest0-21swapper/322:55:133
2507081992417,3cyclictest0-21swapper/320:25:243
2507081992416,5cyclictest0-21swapper/320:05:013
2507081992416,4cyclictest2600953-21cron23:40:003
2507081992415,6cyclictest391ktimers/321:05:133
2507081992414,6cyclictest0-21swapper/320:30:263
2507077992416,4cyclictest0-21swapper/222:25:222
2507077992413,6cyclictest0-21swapper/220:05:262
2507072992418,3cyclictest0-21swapper/121:30:241
2507072992418,3cyclictest0-21swapper/100:25:001
2507072992414,7cyclictest0-21swapper/123:35:201
2507072992413,6cyclictest0-21swapper/120:30:251
250706999247,9cyclictest11-21ksoftirqd/020:20:210
2507069992417,3cyclictest0-21swapper/022:35:170
250706999241,19cyclictest0-21swapper/019:28:520
2507081992316,4cyclictest2581549-21grep22:40:253
2507081992316,3cyclictest0-21swapper/323:25:153
2507081992316,3cyclictest0-21swapper/319:40:223
2507081992314,6cyclictest2598781-21unixbench_multi23:30:263
2507081992313,7cyclictest2568949-21ntp_states22:05:243
2507077992317,3cyclictest0-21swapper/200:25:202
2507077992311,8cyclictest204-21dbus-daemon20:27:172
2507077992311,8cyclictest0-21swapper/200:30:162
2507077992311,8cyclictest0-21swapper/200:30:152
2507072992317,3cyclictest0-21swapper/123:40:161
2507072992317,3cyclictest0-21swapper/122:55:201
2507072992316,4cyclictest0-21swapper/121:10:171
2507072992314,6cyclictest2542607-21latency_hist20:50:021
2507072992312,7cyclictest0-21swapper/119:50:171
250706999238,6cyclictest11-21ksoftirqd/021:30:150
250706999236,10cyclictest11-21ksoftirqd/023:55:150
250706999233,18cyclictest0-21swapper/021:27:140
2507069992317,4cyclictest2547322-21kworker/u8:3-events_power_efficient21:40:160
2507081992216,3cyclictest2591976-21grep23:10:263
2507081992215,4cyclictest2531420-21grep20:15:253
2507081992215,4cyclictest0-21swapper/300:15:163
2507081992213,6cyclictest0-21swapper/321:45:183
250707799224,7cyclictest2570363-21if_eth022:10:172
2507077992216,3cyclictest0-21swapper/220:55:202
2507072992217,2cyclictest0-21swapper/119:45:241
2507072992216,3cyclictest0-21swapper/123:00:231
2507072992215,4cyclictest0-21swapper/122:05:191
2507072992213,7cyclictest2608459-21cut00:00:161
2507072992213,5cyclictest0-21swapper/120:20:261
2507081992114,4cyclictest2612842-21sed00:10:253
2507081992111,6cyclictest0-21swapper/320:40:243
2507081992110,9cyclictest2604619-21sed23:50:023
2507077992110,8cyclictest2521007-21grep19:45:252
2507072992111,7cyclictest2528906-21fschecks_time20:10:171
2507081992014,3cyclictest0-21swapper/323:15:173
2507081992014,3cyclictest0-21swapper/321:10:263
2507081992013,4cyclictest391ktimers/300:20:183
2507081992012,6cyclictest391ktimers/323:40:123
2507072992013,4cyclictest231ktimers/119:20:191
2507072992013,3cyclictest0-21swapper/122:22:281
2507072992012,5cyclictest231ktimers/119:15:031
2507081991913,3cyclictest0-21swapper/323:20:223
2507081991912,4cyclictest0-21swapper/322:50:143
2507072991913,3cyclictest0-21swapper/122:50:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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