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2025-12-08 - 18:12

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 Dec 08, 2025 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1274440995648,5cyclictest1283498-21munin-plugin-st07:35:013
1274432994841,4cyclictest1295848-21auditctl08:10:001
1274436994538,4cyclictest1316330-21cron09:10:002
1274432994433,7cyclictest1323255-21latency_hist09:30:001
1274432994433,7cyclictest1323255-21latency_hist09:30:001
1274440994231,7cyclictest1341943-21grep10:20:263
1274432994234,5cyclictest1307787-21cron08:45:001
1274427994232,6cyclictest1337434-21fschecks_time10:10:170
1274427994232,6cyclictest1337434-21fschecks_time10:10:170
1274440994132,5cyclictest1299247-21sh08:20:013
1274440994132,5cyclictest1299247-21sh08:20:003
1274440994127,10cyclictest391ktimers/311:40:133
1274436994133,6cyclictest1299272-21sendmail08:20:002
1274436994133,6cyclictest1299272-21sendmail08:20:002
1274436994131,7cyclictest0-21swapper/211:20:002
1274440994032,5cyclictest1336599-21grep10:05:293
1274440994031,5cyclictest1389235-21munin-run12:40:003
1274436993928,7cyclictest0-21swapper/212:05:002
1274432993926,8cyclictest0-21swapper/111:00:001
1274427993927,8cyclictest0-21swapper/011:00:000
1274440993829,6cyclictest1275647-21unixbench_singl07:10:273
1274440993826,8cyclictest1387108-21grep12:30:263
1274440993826,8cyclictest1347002-21tail10:35:273
1274440993728,5cyclictest1307798-21kthreadd08:45:003
1274440993728,5cyclictest1297100-21unixbench_multi08:10:233
1274436993730,5cyclictest1334984-21kworker/u8:3+events_unbound10:06:062
1274436993729,4cyclictest0-21swapper/209:50:002
1274436993728,6cyclictest1388786-21unixbench_multi12:35:262
1274436993727,6cyclictest0-21swapper/211:40:022
1274432993730,3cyclictest1291776-21switchtime07:55:271
1274432993728,5cyclictest0-21swapper/108:20:171
1274440993627,5cyclictest0-21swapper/309:15:193
1274436993628,4cyclictest0-21swapper/207:25:172
1274436993626,4cyclictest0-21swapper/209:31:032
1274427993630,3cyclictest1285412-21sendmail07:40:000
1274427993624,8cyclictest1356198-21idleruntime-cro11:05:000
1274440993526,5cyclictest0-21swapper/310:30:263
1274440993525,6cyclictest1330332-21seq09:50:013
1274440993524,8cyclictest1326792-21sendmail09:40:013
1274440993523,8cyclictest1305673-21grep08:35:253
1274436993528,5cyclictest1373518-21kworker/u8:3+events_unbound11:56:182
1274436993528,4cyclictest0-21swapper/211:15:002
1274436993527,5cyclictest1357906-21munin-run11:10:022
1274436993526,6cyclictest1364899-21unixbench_multi11:25:272
1274436993526,6cyclictest0-21swapper/210:50:012
1274432993528,4cyclictest1333611-21sendmail10:00:001
1274432993525,6cyclictest0-21swapper/110:40:001
1274427993528,5cyclictest1280056-21kworker/u8:0+events_unbound07:25:240
1274427993528,3cyclictest0-21swapper/008:00:010
1274427993527,3cyclictest0-21swapper/008:20:000
1274427993527,3cyclictest0-21swapper/008:20:000
1274440993426,4cyclictest0-21swapper/309:45:003
1274440993425,5cyclictest1361775-21latency_hist11:20:013
1274440993423,7cyclictest0-21swapper/310:30:003
1274440993420,10cyclictest391ktimers/310:40:143
1274436993424,7cyclictest1323148-21cron09:30:002
1274436993424,7cyclictest1323148-21cron09:30:002
1274436993424,6cyclictest0-21swapper/210:10:272
1274436993424,6cyclictest0-21swapper/210:10:272
1274432993426,4cyclictest0-21swapper/110:15:311
1274432993426,4cyclictest0-21swapper/110:15:311
1274432993425,6cyclictest1334906-21unixbench_singl10:00:261
1274432993425,4cyclictest0-21swapper/110:26:081
1274432993424,6cyclictest0-21swapper/112:40:011
1274440993326,5cyclictest1328354-21kworker/u8:2+events_unbound09:52:433
127443699334,5cyclictest131rcu_preempt09:55:132
1274436993323,7cyclictest1321456-21auditctl09:25:002
1274436993323,7cyclictest1321456-21auditctl09:25:002
1274432993325,4cyclictest0-21swapper/108:45:271
1274432993324,5cyclictest0-21swapper/110:15:001
1274432993324,5cyclictest0-21swapper/110:15:001
1274432993323,6cyclictest0-21swapper/110:45:281
1274427993325,4cyclictest0-21swapper/010:51:100
1274427993325,4cyclictest0-21swapper/010:51:100
1274427993325,4cyclictest0-21swapper/009:35:010
1274427993318,12cyclictest121ktimers/007:20:120
127444099325,3cyclictest131rcu_preempt09:00:153
1274440993223,4cyclictest0-21swapper/311:00:193
1274440993220,6cyclictest0-21swapper/311:51:173
1274440993217,10cyclictest1-21systemd08:00:323
127444099321,5cyclictest131rcu_preempt11:25:143
127444099321,5cyclictest131rcu_preempt08:50:133
1274436993224,6cyclictest311ktimers/208:45:162
1274432993225,4cyclictest1292365-21kworker/u8:3+events_unbound08:10:391
1274432993222,6cyclictest0-21swapper/111:35:001
1274432993222,6cyclictest0-21swapper/109:20:001
1274427993224,5cyclictest0-21swapper/008:55:130
1274427993219,9cyclictest121ktimers/009:15:160
1274440993124,5cyclictest1373518-21kworker/u8:3+events_unbound12:01:193
1274440993123,4cyclictest0-21swapper/312:20:283
1274440993122,6cyclictest1278306-21kworker/u8:2+events_unbound07:20:253
1274436993124,4cyclictest0-21swapper/207:30:272
1274436993123,4cyclictest0-21swapper/207:35:262
1274436993122,5cyclictest0-21swapper/212:11:182
1274436993122,5cyclictest0-21swapper/210:55:262
1274432993125,3cyclictest0-21swapper/110:35:001
1274432993123,4cyclictest0-21swapper/111:10:251
1274432993123,3cyclictest0-21swapper/108:40:001
1274432993122,6cyclictest0-21swapper/111:45:251
1274432993122,5cyclictest0-21swapper/112:25:001
1274427993124,3cyclictest0-21swapper/008:55:000
1274427993123,5cyclictest0-21swapper/010:35:000
1274427993123,4cyclictest1309038-21unixbench_multi08:45:270
1274427993123,4cyclictest0-21swapper/010:00:000
1274427993122,6cyclictest1359338-21unixbench_multi11:10:250
1274427993122,5cyclictest0-21swapper/011:50:000
1274440993019,7cyclictest1290279-21grep07:50:263
1274436993021,5cyclictest0-21swapper/210:15:312
1274436993021,5cyclictest0-21swapper/210:15:312
1274432993022,4cyclictest0-21swapper/111:40:011
1274427993024,3cyclictest0-21swapper/012:20:000
1274427993022,4cyclictest0-21swapper/008:10:230
1274427993020,7cyclictest1336552-21grep10:05:280
1274427993020,6cyclictest0-21swapper/011:10:010
127442799301,25cyclictest1340405-21cron10:20:000
127442799301,25cyclictest1340405-21cron10:20:000
1274440992920,5cyclictest0-21swapper/308:45:273
1274440992920,4cyclictest0-21swapper/311:55:193
1274440992919,5cyclictest0-21swapper/311:15:003
1274436992921,5cyclictest0-21swapper/209:00:002
1274436992920,4cyclictest0-21swapper/207:15:012
1274436992919,6cyclictest0-21swapper/207:50:012
1274432992922,5cyclictest1307559-21kworker/u8:1+events_unbound08:50:541
1274432992922,4cyclictest0-21swapper/107:45:001
1274432992921,4cyclictest0-21swapper/110:50:271
1274432992921,4cyclictest0-21swapper/110:50:261
1274432992921,4cyclictest0-21swapper/107:30:011
1274432992920,6cyclictest0-21swapper/111:25:271
1274432992918,7cyclictest1278388-21sendmail07:20:011
1274432992918,6cyclictest0-21swapper/111:05:251
1274427992923,4cyclictest1368435-21kworker/u8:2+events_unbound11:36:170
1274427992921,4cyclictest0-21swapper/007:50:260
1274427992921,3cyclictest0-21swapper/007:50:020
1274427992919,6cyclictest0-21swapper/011:55:280
1274427992919,6cyclictest0-21swapper/007:20:020
1274427992918,6cyclictest0-21swapper/010:00:260
1274427992911,10cyclictest13731022fgrep11:50:240
1274427992910,3cyclictest1286568-21cat07:40:250
127444099282,4cyclictest131rcu_preempt10:50:133
127444099282,4cyclictest131rcu_preempt10:50:133
1274440992821,4cyclictest1324635-21grep09:30:263
1274440992819,5cyclictest0-21swapper/307:45:253
1274440992818,6cyclictest0-21swapper/311:50:003
1274436992821,4cyclictest0-21swapper/207:15:252
1274436992820,4cyclictest0-21swapper/208:25:142
1274436992818,6cyclictest0-21swapper/212:25:252
1274436992818,6cyclictest0-21swapper/212:25:242
1274436992817,7cyclictest1306090-21basename08:40:002
1274432992820,5cyclictest0-21swapper/109:50:161
1274432992819,6cyclictest0-21swapper/111:05:001
1274432992817,7cyclictest0-21swapper/109:10:251
1274432992817,6cyclictest0-21swapper/109:20:261
1274432992817,6cyclictest0-21swapper/109:20:261
1274427992819,6cyclictest0-21swapper/009:55:000
1274427992817,7cyclictest1363636-21apt-config11:25:010
1274427992817,6cyclictest0-21swapper/010:20:260
1274427992816,6cyclictest1364897-21grep11:25:270
1274440992718,6cyclictest0-21swapper/307:55:283
1274440992715,8cyclictest1333617-21basename10:00:003
1274436992721,4cyclictest1287339-21kworker/u8:1+events_unbound07:50:292
1274436992720,4cyclictest0-21swapper/207:40:252
1274436992719,5cyclictest1382119-21kworker/u8:0+events_unbound12:31:202
1274436992719,5cyclictest1316777-21cut09:10:162
1274436992711,13cyclictest1347483-21basename10:40:002
1274432992720,3cyclictest0-21swapper/111:20:161
1274432992719,4cyclictest0-21swapper/112:00:261
1274432992716,7cyclictest0-21swapper/110:05:281
1274427992719,6cyclictest1314253-21kworker/u8:3+events_unbound09:00:540
1274440992618,5cyclictest1357671-21kworker/u8:0+events_unbound11:10:013
1274440992617,5cyclictest0-21swapper/309:25:173
1274440992617,5cyclictest0-21swapper/309:25:173
1274440992617,5cyclictest0-21swapper/307:30:013
1274440992616,6cyclictest1349587-21fschecks_time10:45:183
1274440992615,6cyclictest1380698-21cron12:15:003
1274436992620,3cyclictest0-21swapper/212:05:212
1274436992619,4cyclictest0-21swapper/209:15:292
1274436992616,6cyclictest1328056-21grep09:40:272
1274436992615,7cyclictest0-21swapper/211:40:272
1274432992619,4cyclictest0-21swapper/112:30:261
1274432992619,3cyclictest0-21swapper/107:40:001
1274432992617,6cyclictest0-21swapper/112:00:001
1274432992616,6cyclictest0-21swapper/112:25:241
1274432992616,6cyclictest0-21swapper/112:25:241
1274427992620,4cyclictest1348892-21kworker/u8:1+events_unbound10:46:100
1274427992619,3cyclictest0-21swapper/012:40:000
1274427992618,3cyclictest0-21swapper/008:10:010
1274427992617,5cyclictest0-21swapper/009:05:250
1274427992616,6cyclictest0-21swapper/012:00:260
127444099253,15cyclictest1286731-21sshd07:40:273
1274440992518,5cyclictest1378757-21kworker/u8:2+events_unbound12:15:123
1274440992517,4cyclictest0-21swapper/311:35:003
1274440992517,4cyclictest0-21swapper/307:15:153
1274440992515,7cyclictest1284160-21tune2fs07:35:173
1274440992515,5cyclictest1368763-21kthreadd11:40:013
1274436992519,3cyclictest0-21swapper/212:15:222
1274436992519,3cyclictest0-21swapper/211:45:232
1274436992518,3cyclictest0-21swapper/208:10:202
1274436992517,4cyclictest0-21swapper/211:30:262
1274436992516,6cyclictest1326302-21grep09:35:262
1274436992516,6cyclictest0-21swapper/209:50:252
1274436992513,7cyclictest1307789-21sh08:45:002
1274432992518,4cyclictest1297973-21fschecks_time08:15:161
1274432992518,4cyclictest1297973-21fschecks_time08:15:161
1274432992518,3cyclictest0-21swapper/111:20:021
1274432992518,3cyclictest0-21swapper/109:35:261
1274432992516,6cyclictest0-21swapper/112:05:191
1274432992516,6cyclictest0-21swapper/109:45:261
1274432992515,6cyclictest0-21swapper/109:00:011
1274427992521,2cyclictest13650irq/42-30be0000.ethernet12:20:150
127442799251,8cyclictest1343583-21unixbench_multi10:25:270
1274427992518,3cyclictest0-21swapper/008:25:010
1274427992517,4cyclictest0-21swapper/010:35:270
1274427992515,6cyclictest0-21swapper/008:45:000
1274427992515,6cyclictest0-21swapper/008:30:180
127444099243,15cyclictest1321447-21cron09:25:003
127444099243,15cyclictest1321447-21cron09:25:003
1274440992417,3cyclictest0-21swapper/310:00:213
1274440992415,5cyclictest1354491-21idleruntime-cro11:00:013
1274436992418,3cyclictest0-21swapper/210:30:172
1274436992417,3cyclictest0-21swapper/210:20:232
1274436992416,4cyclictest0-21swapper/211:00:192
1274436992415,6cyclictest1300981-21basename08:25:012
127443699241,4cyclictest13731022fgrep11:50:232
1274432992417,4cyclictest0-21swapper/111:55:001
1274432992417,4cyclictest0-21swapper/110:20:261
1274432992417,3cyclictest0-21swapper/109:05:251
1274432992416,5cyclictest0-21swapper/107:10:171
1274432992415,6cyclictest0-21swapper/107:50:261
1274432992415,5cyclictest0-21swapper/108:25:231
1274432992414,6cyclictest0-21swapper/108:00:201
1274427992418,3cyclictest0-21swapper/012:30:000
1274427992418,3cyclictest0-21swapper/012:30:000
1274427992418,3cyclictest0-21swapper/012:10:240
1274427992418,3cyclictest0-21swapper/007:35:010
1274427992416,6cyclictest1315979-21kworker/u8:2+events_unbound09:26:030
1274427992416,6cyclictest1315979-21kworker/u8:2+events_unbound09:26:020
1274427992416,5cyclictest121ktimers/011:16:220
127442799241,5cyclictest1326624-21taskset09:38:160
1274427992414,6cyclictest0-21swapper/009:20:260
1274427992414,6cyclictest0-21swapper/009:20:260
127442799241,20cyclictest1379066-21grep12:10:000
1274440992317,3cyclictest0-21swapper/308:30:253
1274440992315,4cyclictest0-21swapper/312:25:153
1274440992315,4cyclictest0-21swapper/312:25:153
1274440992314,4cyclictest0-21swapper/310:15:193
1274440992314,4cyclictest0-21swapper/310:15:193
1274440992311,8cyclictest1338705-21sh10:15:003
1274440992311,8cyclictest1338705-21sh10:15:003
1274440992310,9cyclictest0-21swapper/309:10:163
1274436992316,5cyclictest1350605-21kworker/u8:2+events_unbound10:51:112
1274436992316,5cyclictest1350605-21kworker/u8:2+events_unbound10:51:112
1274436992314,6cyclictest0-21swapper/208:00:182
1274432992316,5cyclictest1-21systemd07:30:251
1274432992315,5cyclictest0-21swapper/108:30:271
1274427992317,4cyclictest0-21swapper/009:40:220
1274427992316,5cyclictest0-21swapper/007:10:220
1274427992312,7cyclictest0-21swapper/009:45:210
127442799231,18cyclictest0-21swapper/008:02:450
127442799230,19cyclictest0-21swapper/012:32:000
127442799230,19cyclictest0-21swapper/010:41:510
127442799230,19cyclictest0-21swapper/008:28:250
127444099224,13cyclictest1363442-21auditctl11:25:003
127444099223,12cyclictest1302316-21sshd08:25:473
1274440992216,3cyclictest0-21swapper/312:05:193
1274440992214,4cyclictest0-21swapper/309:05:163
1274436992216,3cyclictest0-21swapper/211:25:002
1274436992216,3cyclictest0-21swapper/208:10:002
1274436992216,3cyclictest0-21swapper/207:20:152
1274436992213,6cyclictest1314615-21cron09:05:002
1274432992216,3cyclictest0-21swapper/111:40:271
1274427992215,4cyclictest1369016-21apt-get11:40:130
127442799221,19cyclictest0-21swapper/009:10:130
127442799220,18cyclictest0-21swapper/011:33:010
127444099211,9cyclictest1295385-21unixbench_multi08:05:273
127443699219,9cyclictest1334419-21ntp_states10:00:232
1274436992112,6cyclictest1383660-21sed12:20:282
1274432992115,3cyclictest0-21swapper/112:10:191
1274432992113,5cyclictest0-21swapper/112:15:211
1274432992112,6cyclictest231ktimers/109:30:251
1274432992111,6cyclictest0-21swapper/107:45:241
1274427992110,8cyclictest1305155-21ntpq08:35:210
1274440992012,6cyclictest391ktimers/308:20:133
127443699207,10cyclictest311ktimers/210:40:142
1274436992014,4cyclictest1303484-21sh08:30:242
1274436992014,3cyclictest1290963-21/usr/sbin/munin07:55:282
1274436992012,5cyclictest1342720-21cut10:25:172
1274432992014,3cyclictest0-21swapper/109:45:011
1274432992013,3cyclictest0-21swapper/107:20:111
1274432991913,4cyclictest0-21swapper/110:40:141
1274436991812,4cyclictest1309979-21idleruntime08:50:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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