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2025-12-12 - 09:24

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 Fri Dec 12, 2025 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2230355995325,23cyclictest0-21swapper/321:25:283
2230355995126,21cyclictest0-21swapper/319:15:013
2230355995025,21cyclictest0-21swapper/319:20:183
2230355994921,24cyclictest2324468-21munin-run23:40:013
2230355994825,20cyclictest0-21swapper/322:20:003
2230355994825,18cyclictest0-21swapper/323:00:293
2230344994840,5cyclictest2296138-21unixbench_singl22:15:310
2230355994718,26cyclictest0-21swapper/321:00:233
2230355994718,24cyclictest0-21swapper/320:55:273
223034999471,43cyclictest231ktimers/121:00:141
2230344994538,5cyclictest2277525-21kworker/u8:1+events_unbound21:27:500
2230344994537,5cyclictest2338129-21idleruntime-cro00:20:000
2230355994423,16cyclictest0-21swapper/322:58:073
2230355994423,16cyclictest0-21swapper/322:58:073
223034499441,8cyclictest11-21ksoftirqd/019:15:130
2230355994332,7cyclictest2277575-21cron21:25:003
2230344994333,7cyclictest2261994-21sh20:40:010
2230344994332,8cyclictest2317665-21sendmail23:20:000
2230344994312,6cyclictest131rcu_preempt22:40:130
2230355994217,21cyclictest0-21swapper/321:15:283
2230355994215,3cyclictest0-21swapper/320:30:253
2230344994234,4cyclictest2331311-21sendmail00:00:010
223035599415,7cyclictest2344926-21cron00:39:593
2230355994122,15cyclictest2263238-21unixbench_multi20:40:263
2230355994121,17cyclictest0-21swapper/323:20:303
2230355994117,20cyclictest0-21swapper/323:45:263
2230355994116,22cyclictest391ktimers/323:50:143
2230355994114,3cyclictest2232288-21munin-node21:45:123
2230355994112,3cyclictest0-21swapper/320:35:273
2230349994133,4cyclictest2312338-21munin-plugin-st23:05:011
2230355994029,6cyclictest0-21swapper/300:20:003
2230355994025,11cyclictest391ktimers/300:10:153
2230355994015,22cyclictest0-21swapper/322:45:233
2230355994012,3cyclictest2314624-21fschecks_count23:10:193
2230349994032,4cyclictest0-21swapper/100:00:001
2230344994031,6cyclictest2259813-21grep20:30:270
2230344994028,9cyclictest121ktimers/021:20:160
2230352993927,9cyclictest311ktimers/222:15:152
2230344993923,6cyclictest2314103-21kworker/u8:2+events_unbound23:12:290
223035599389,5cyclictest0-21swapper/320:50:183
223035599388,7cyclictest2257739-21pluginstate20:25:253
2230355993827,7cyclictest0-21swapper/321:45:003
2230355993812,3cyclictest2272901-21fschecks_time21:10:163
223035599381,12cyclictest2308230-21tail22:50:293
2230352993830,4cyclictest2314249-21idleruntime-cro23:10:002
2230352993825,9cyclictest2237695-21sshd19:27:272
223035599379,6cyclictest2292516-21date22:05:293
223035599378,5cyclictest0-21swapper/319:40:183
2230355993715,3cyclictest0-21swapper/300:20:273
2230355993713,5cyclictest0-21swapper/320:20:003
223035599371,11cyclictest2250060-21cron20:05:003
223035599371,11cyclictest2250060-21cron20:05:003
2230349993727,7cyclictest0-21swapper/119:20:001
2230349993725,9cyclictest231ktimers/100:30:161
2230344993723,10cyclictest151rcuc/022:55:130
2230344993723,10cyclictest151rcuc/022:55:130
2230344993721,4cyclictest131rcu_preempt00:35:140
223034499371,8cyclictest11-21ksoftirqd/021:40:140
2230355993626,6cyclictest0-21swapper/319:15:283
2230355993612,3cyclictest0-21swapper/319:25:243
2230352993627,4cyclictest0-21swapper/222:25:172
2230349993628,4cyclictest0-21swapper/123:13:091
2230349993626,5cyclictest0-21swapper/120:47:411
2230349993625,6cyclictest2319354-21cron23:25:001
2230352993527,4cyclictest0-21swapper/219:55:172
2230352993525,7cyclictest2232953-21cut19:15:172
223034499352,8cyclictest11-21ksoftirqd/000:05:130
2230344993528,5cyclictest2230492-21kworker/u8:0+events_unbound19:27:260
2230344993528,4cyclictest2270283-21kworker/u8:0+events_unbound21:07:450
2230355993425,6cyclictest2253051-21unixbench_singl20:10:273
2230355993423,7cyclictest0-21swapper/319:35:253
2230352993426,5cyclictest2231530-21unixbench_multi19:10:262
223034499342,8cyclictest11-21ksoftirqd/021:10:120
2230344993426,4cyclictest0-21swapper/019:55:250
223034499341,9cyclictest11-21ksoftirqd/019:40:140
2230344993414,5cyclictest131rcu_preempt23:45:120
2230355993325,6cyclictest2247886-21unixbench_multi19:55:253
2230355993322,6cyclictest0-21swapper/323:25:273
2230355993321,7cyclictest0-21swapper/321:05:313
2230355993312,4cyclictest391ktimers/300:30:273
2230349993325,4cyclictest0-21swapper/121:30:291
2230349993324,4cyclictest0-21swapper/119:30:261
2230349993323,6cyclictest0-21swapper/122:55:001
2230355993225,3cyclictest0-21swapper/321:35:143
2230352993224,4cyclictest0-21swapper/220:30:162
2230352993224,4cyclictest0-21swapper/219:45:262
2230352993223,4cyclictest0-21swapper/223:30:272
2230349993223,5cyclictest0-21swapper/119:57:321
2230344993221,8cyclictest121ktimers/021:30:150
2230344993216,13cyclictest0-21swapper/000:25:010
2230344993210,4cyclictest131rcu_preempt22:30:150
2230355993124,4cyclictest0-21swapper/322:25:273
2230355993123,4cyclictest0-21swapper/322:10:263
2230355993121,6cyclictest0-21swapper/322:40:283
2230352993125,3cyclictest2305831-21if_eth022:45:172
2230352993124,4cyclictest2320610-21unixbench_multi23:25:272
2230352993124,4cyclictest2262006-21munin-plugin-st20:40:002
2230352993123,4cyclictest0-21swapper/223:53:172
2230352993123,4cyclictest0-21swapper/220:45:302
2230352993123,4cyclictest0-21swapper/219:50:272
2230352993121,6cyclictest0-21swapper/223:45:272
2230352993119,7cyclictest0-21swapper/221:20:002
2230349993123,5cyclictest2338120-21munin-run00:20:011
2230349993123,3cyclictest0-21swapper/120:10:261
2230349993121,6cyclictest2250061-21sh20:05:011
2230349993121,6cyclictest2250061-21sh20:05:011
2230344993125,4cyclictest2291137-21kworker/u8:3+events_unbound22:23:040
2230344993125,4cyclictest2291137-21kworker/u8:3+events_unbound22:23:030
2230344993124,4cyclictest2321061-21sh23:30:000
2230344993123,5cyclictest0-21swapper/000:30:300
2230344993114,4cyclictest2230492-21kworker/u8:0-events_unbound19:48:050
2230344993113,6cyclictest2321407-21df_inode23:30:160
2230352993020,6cyclictest0-21swapper/222:55:012
2230352993018,8cyclictest2256914-21seq20:25:012
2230352993014,13cyclictest32-21ksoftirqd/221:20:152
2230349993022,4cyclictest0-21swapper/119:50:271
2230344993024,4cyclictest2249735-21kworker/u8:2+events_unbound20:25:190
2230344993015,9cyclictest131rcu_preempt00:29:490
2230344993012,5cyclictest131rcu_preempt22:25:130
2230344993011,6cyclictest131rcu_preempt20:50:140
2230355992919,6cyclictest0-21swapper/300:25:293
2230355992919,6cyclictest0-21swapper/300:00:283
2230352992922,3cyclictest0-21swapper/223:25:012
2230352992921,4cyclictest0-21swapper/220:05:002
2230352992921,4cyclictest0-21swapper/220:05:002
2230352992921,4cyclictest0-21swapper/200:35:302
2230352992920,7cyclictest311ktimers/220:15:132
2230349992921,4cyclictest0-21swapper/119:40:011
2230349992920,6cyclictest2283292-21fschecks_count21:40:191
2230349992920,4cyclictest0-21swapper/100:30:001
2230349992918,8cyclictest231ktimers/119:25:131
2230349992916,9cyclictest2262014-21tr20:40:001
223034499298,4cyclictest131rcu_preempt20:55:140
223034499295,4cyclictest131rcu_preempt00:10:150
2230344992923,4cyclictest2319119-21kworker/u8:1+events_unbound23:41:430
2230344992923,4cyclictest2319119-21kworker/u8:1+events_unbound23:41:420
2230344992920,7cyclictest2287897-21kworker/u8:0+events_unbound21:56:030
2230344992916,9cyclictest121ktimers/020:05:140
2230344992911,10cyclictest0-21swapper/022:50:270
2230355992820,4cyclictest0-21swapper/322:35:263
2230352992820,4cyclictest2341544-21idleruntime-cro00:30:002
2230352992818,7cyclictest311ktimers/219:30:062
2230349992820,4cyclictest0-21swapper/123:50:271
2230349992820,4cyclictest0-21swapper/121:55:301
223034499284,9cyclictest11-21ksoftirqd/019:50:250
2230344992821,5cyclictest2294473-21kworker/u8:0+events_unbound22:13:000
2230344992821,5cyclictest2268550-21kworker/u8:1+events_unbound21:00:230
2230344992821,4cyclictest0-21swapper/023:00:210
2230355992718,6cyclictest0-21swapper/320:20:273
2230352992720,5cyclictest2339709-21kworker/u8:2+events_unbound00:24:542
2230352992719,4cyclictest0-21swapper/200:10:292
2230352992717,6cyclictest2279076-21grep21:25:272
223034499277,4cyclictest0-21swapper/020:12:230
2230344992719,5cyclictest2275751-21kworker/u8:0+events_unbound21:35:070
2230344992719,4cyclictest0-21swapper/022:05:300
2230344992719,4cyclictest0-21swapper/021:50:310
2230344992719,4cyclictest0-21swapper/021:50:310
2230355992618,4cyclictest0-21swapper/320:45:183
2230355992616,6cyclictest0-21swapper/322:20:313
2230355992616,6cyclictest0-21swapper/322:20:313
2230352992619,3cyclictest0-21swapper/221:10:292
2230352992618,4cyclictest0-21swapper/221:50:202
2230352992618,4cyclictest0-21swapper/221:50:202
2230352992618,4cyclictest0-21swapper/220:25:192
2230352992614,7cyclictest0-21swapper/223:40:002
2230349992618,4cyclictest0-21swapper/123:20:001
2230349992617,6cyclictest231ktimers/122:05:201
2230349992616,7cyclictest2332488-21cat00:00:271
2230349992615,7cyclictest2339426-21grep00:20:281
223034499267,9cyclictest131rcu_preempt20:00:260
223034499267,9cyclictest131rcu_preempt20:00:250
223034499262,6cyclictest2251499-21kworker/u8:0-events_power_efficient20:15:110
2230344992619,5cyclictest2233907-21kworker/u8:1+events_unbound19:23:410
2230344992619,4cyclictest0-21swapper/000:05:010
2230344992618,6cyclictest2230492-21kworker/u8:0+events_unbound19:10:590
223034499261,12cyclictest2314192-21runrttasks23:09:310
223034499261,12cyclictest0-21swapper/020:46:080
223034499261,11cyclictest0-21swapper/022:35:580
2230352992519,3cyclictest0-21swapper/223:40:162
2230352992519,3cyclictest0-21swapper/223:40:162
2230352992518,4cyclictest2303586-21munin-plugin-st22:40:002
2230352992518,3cyclictest0-21swapper/221:05:302
2230352992517,4cyclictest0-21swapper/221:45:172
2230352992516,6cyclictest0-21swapper/220:55:002
223035299251,20cyclictest2298064-21unixbench_singl22:20:312
223035299251,20cyclictest2298064-21unixbench_singl22:20:302
2230349992518,5cyclictest231ktimers/121:15:161
2230349992518,3cyclictest0-21swapper/120:30:241
2230349992517,4cyclictest0-21swapper/120:05:261
2230349992516,6cyclictest0-21swapper/122:15:201
2230344992521,2cyclictest13650irq/42-30be0000.ethernet20:20:470
2230344992518,5cyclictest2255044-21kworker/u8:1+events_unbound20:41:040
2230344992517,6cyclictest2230492-21kworker/u8:0+events_unbound19:31:430
2230344992516,6cyclictest0-21swapper/023:25:000
2230344992515,4cyclictest131rcu_preempt23:51:390
2230344992514,8cyclictest215-21dbus-daemon22:02:570
2230344992514,7cyclictest165-21systemd-journal19:37:280
2230355992418,3cyclictest0-21swapper/319:30:223
2230352992418,3cyclictest0-21swapper/220:40:112
2230352992417,4cyclictest0-21swapper/221:35:262
2230352992417,4cyclictest0-21swapper/219:35:252
2230352992416,4cyclictest0-21swapper/222:30:302
2230352992416,4cyclictest0-21swapper/220:05:172
2230349992418,3cyclictest0-21swapper/123:30:141
2230349992418,3cyclictest0-21swapper/119:10:241
2230349992416,5cyclictest0-21swapper/123:35:161
2230349992416,4cyclictest0-21swapper/120:57:421
2230349992416,3cyclictest0-21swapper/123:40:241
2230349992416,3cyclictest0-21swapper/123:40:241
2230349992416,3cyclictest0-21swapper/120:20:181
2230344992417,5cyclictest2319119-21kworker/u8:1+events_unbound23:38:400
223034499241,19cyclictest0-21swapper/021:15:330
2230355992317,3cyclictest2250445-21fschecks_count20:05:183
2230355992316,4cyclictest2326026-21sshd23:43:163
2230355992316,4cyclictest2326026-21sshd23:43:153
2230355992313,6cyclictest0-21swapper/322:30:303
2230352992317,3cyclictest0-21swapper/220:10:172
2230352992316,4cyclictest2234867-21df19:20:182
2230352992316,4cyclictest0-21swapper/221:00:282
2230352992315,4cyclictest0-21swapper/222:10:262
2230352992315,4cyclictest0-21swapper/200:00:272
2230349992317,3cyclictest0-21swapper/122:00:271
2230349992317,3cyclictest0-21swapper/121:45:211
2230349992316,4cyclictest0-21swapper/122:40:271
2230349992315,4cyclictest2294832-21cron22:15:011
2230349992315,4cyclictest2282905-21sendmail21:40:001
2230349992314,5cyclictest2272451-21sh21:10:001
2230349992312,7cyclictest0-21swapper/100:05:241
2230355992216,3cyclictest0-21swapper/322:00:263
2230355992216,3cyclictest0-21swapper/322:00:013
2230352992216,3cyclictest0-21swapper/200:35:012
2230352992215,5cyclictest2303367-21kworker/u8:1+events_unbound23:03:092
2230352992214,5cyclictest0-21swapper/222:00:002
2230352992214,5cyclictest0-21swapper/221:00:002
2230352992213,6cyclictest0-21swapper/223:10:242
2230349992216,3cyclictest2306992-21cron22:50:001
2230349992216,3cyclictest0-21swapper/122:35:131
2230349992213,6cyclictest2300185-21basename22:29:591
2230349992213,5cyclictest0-21swapper/121:20:311
2230349992213,5cyclictest0-21swapper/119:45:241
2230349992212,7cyclictest2335150-21tune2fs00:10:191
2230349992211,8cyclictest2326523-21seq23:45:151
2230355992115,4cyclictest2277525-21kworker/u8:1+events_unbound21:30:173
2230355992114,4cyclictest2316218-21cpu23:15:143
2230355992114,3cyclictest0-21swapper/321:50:163
2230355992114,3cyclictest0-21swapper/321:50:153
2230355992113,5cyclictest0-21swapper/323:05:153
2230355992110,8cyclictest2321743-21meminfo23:30:193
223035299216,3cyclictest6250watchdogd23:55:232
2230352992115,3cyclictest0-21swapper/222:55:262
2230352992115,3cyclictest0-21swapper/222:55:252
2230352992114,5cyclictest311ktimers/222:40:162
223034999217,9cyclictest165-21systemd-journal23:08:091
223034999214,13cyclictest2263301-21grep20:40:261
2230349992116,3cyclictest2272794-21cstates21:10:151
2230349992115,3cyclictest0-21swapper/122:20:281
2230349992115,3cyclictest0-21swapper/122:20:281
2230349992115,3cyclictest0-21swapper/119:40:261
2230349992113,5cyclictest0-21swapper/123:25:281
2230349992113,4cyclictest0-21swapper/120:50:281
2230349992112,6cyclictest0-21swapper/121:50:201
2230349992112,6cyclictest0-21swapper/121:50:191
2230349992112,5cyclictest2344968-21modprobe00:40:001
223035599209,7cyclictest2331304-21basename00:00:013
223035599208,5cyclictest4048818-1kworker/3:1H+kblockd19:50:023
2230355992012,5cyclictest0-21swapper/319:50:223
2230352992014,3cyclictest2241777-21/usr/sbin/munin19:40:162
2230349992015,2cyclictest0-21swapper/122:55:201
2230349992015,2cyclictest0-21swapper/122:55:201
2230349992014,3cyclictest2278247-21fschecks_time21:25:171
2230349992014,3cyclictest0-21swapper/122:30:281
2230349992014,3cyclictest0-21swapper/119:20:181
2230349992013,5cyclictest231ktimers/120:25:191
223034999201,13cyclictest2255193-21awk20:20:001
2230355991912,5cyclictest391ktimers/300:05:153
223035299199,7cyclictest2280258-21tr21:30:212
223035299197,3cyclictest0-21swapper/222:02:542
223035299189,6cyclictest2292102-21cat22:05:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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