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2026-07-24 - 12:04

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 Fri Jul 24, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1186053994737,6cyclictest1245405-21cron22:00:003
1186039994740,4cyclictest1254377-21idleruntime-cro22:25:000
1186039994737,6cyclictest1278845-21cut23:35:140
1186053994536,5cyclictest1217911-21idleruntime-cro20:40:013
1186044994537,5cyclictest1223029-21munin-plugin-st20:55:011
1186048994329,10cyclictest311ktimers/223:35:112
1186048994329,10cyclictest311ktimers/200:20:132
1186039994336,4cyclictest1224713-21cron21:00:010
1186048994234,4cyclictest1245400-21cron22:00:002
1186044994231,8cyclictest1224715-21sh21:00:011
1186053994132,6cyclictest1293363-21unixbench_multi00:15:283
1186048994130,7cyclictest311ktimers/220:25:112
1186044994132,6cyclictest1269928-21cron23:10:001
1186048994027,9cyclictest311ktimers/200:15:152
1186048994027,9cyclictest1300634-21munin-run00:40:002
1186039994031,6cyclictest1227676-21grep21:05:260
1186039994027,9cyclictest1262690-21grep22:45:260
1186044993931,4cyclictest0-21swapper/123:10:251
1186044993930,6cyclictest1227679-21unixbench_multi21:05:261
1186044993928,8cyclictest231ktimers/121:40:141
1186044993928,8cyclictest1277966-21sshd23:30:251
1186039993932,4cyclictest1296815-21unixbench_singl00:25:270
1186039993932,4cyclictest1296815-21unixbench_singl00:25:270
1186053993830,5cyclictest1259507-21idleruntime-cro22:40:003
1186053993827,7cyclictest0-21swapper/320:15:013
1186053993827,6cyclictest0-21swapper/320:30:013
1186044993832,4cyclictest1234667-21kworker/u8:1+events_unbound21:37:221
1186044993830,5cyclictest1217412-21unixbench_multi20:35:251
1186044993830,4cyclictest0-21swapper/100:10:171
1186053993728,5cyclictest0-21swapper/323:25:003
1186053993728,5cyclictest0-21swapper/320:00:013
1186044993730,4cyclictest1203842-21munin-plugin-st20:00:011
118603999374,6cyclictest131rcu_preempt22:55:130
1186039993728,6cyclictest1269927-21cron23:10:000
1186039993723,10cyclictest121ktimers/021:50:130
1186053993628,4cyclictest1254366-21cron22:25:003
1186053993627,5cyclictest0-21swapper/322:45:263
1186053993625,7cyclictest0-21swapper/319:35:253
1186048993628,4cyclictest0-21swapper/222:55:002
118604499368,18cyclictest1259483-21munin-run22:40:011
1186039993630,3cyclictest0-21swapper/000:15:270
118603999362,5cyclictest131rcu_preempt22:10:120
1186053993526,6cyclictest0-21swapper/319:35:013
1186048993527,4cyclictest0-21swapper/222:30:002
1186048993527,4cyclictest0-21swapper/221:52:202
1186044993527,5cyclictest0-21swapper/119:50:011
1186044993527,4cyclictest0-21swapper/120:25:161
1186044993527,4cyclictest0-21swapper/119:20:011
1186044993526,6cyclictest1196394-21grep19:35:261
1186039993528,3cyclictest0-21swapper/023:15:240
1186039993528,3cyclictest0-21swapper/023:15:240
1186053993425,6cyclictest0-21swapper/319:45:013
1186053993425,4cyclictest0-21swapper/319:25:173
1186053993424,7cyclictest0-21swapper/321:40:273
1186053993424,6cyclictest0-21swapper/320:45:013
1186053993423,7cyclictest0-21swapper/323:55:253
1186048993427,4cyclictest0-21swapper/222:30:162
1186048993426,4cyclictest0-21swapper/223:45:152
1186048993424,7cyclictest1217412-21unixbench_multi20:35:242
1186044993428,4cyclictest1254095-21kworker/u8:0+events_unbound22:32:291
1186044993426,4cyclictest0-21swapper/120:45:011
1186044993426,4cyclictest0-21swapper/120:05:241
1186039993427,4cyclictest1187947-21munin-node19:15:020
1186039993427,4cyclictest0-21swapper/020:50:010
118603999342,5cyclictest131rcu_preempt21:00:130
1186039993424,6cyclictest0-21swapper/021:35:250
1186053993326,3cyclictest0-21swapper/323:45:243
1186053993325,4cyclictest0-21swapper/300:25:163
1186053993325,4cyclictest0-21swapper/300:25:163
1186053993323,6cyclictest0-21swapper/323:15:003
1186053993323,6cyclictest0-21swapper/322:55:003
1186048993324,4cyclictest0-21swapper/220:15:252
1186048993323,6cyclictest0-21swapper/222:55:272
1186044993326,4cyclictest0-21swapper/123:50:261
1186044993324,6cyclictest1295110-21grep00:20:261
1186044993321,8cyclictest1209173-21cut20:15:011
1186039993325,3cyclictest0-21swapper/020:20:000
1186039993323,7cyclictest1198088-21grep19:40:260
1186039993323,6cyclictest1267796-21grep23:00:280
1186053993222,6cyclictest0-21swapper/322:30:263
1186053993222,6cyclictest0-21swapper/321:30:253
1186053993221,7cyclictest0-21swapper/322:45:013
1186053993221,7cyclictest0-21swapper/321:30:003
1186048993225,4cyclictest1290406-21sh00:10:002
1186048993225,4cyclictest0-21swapper/222:00:262
1186048993225,4cyclictest0-21swapper/221:40:012
1186048993224,4cyclictest0-21swapper/220:20:232
1186048993222,5cyclictest0-21swapper/220:55:012
1186044993226,4cyclictest1228956-21kworker/u8:3+events_unbound21:12:191
1186044993225,4cyclictest0-21swapper/120:20:141
1186044993224,5cyclictest0-21swapper/123:15:241
1186044993224,5cyclictest0-21swapper/123:15:231
1186044993223,5cyclictest0-21swapper/121:05:011
1186044993222,7cyclictest1266514-21munin-run23:00:001
1186044993221,7cyclictest1220857-21grep20:45:281
118603999323,16cyclictest1259475-21apt-get22:40:010
1186039993223,7cyclictest1235051-21apt-config21:30:010
1186053993123,4cyclictest0-21swapper/323:50:263
1186053993123,4cyclictest0-21swapper/323:30:003
1186053993123,4cyclictest0-21swapper/322:20:003
1186053993121,6cyclictest1279693-21grep23:35:233
1186053993121,6cyclictest0-21swapper/320:50:263
1186048993124,3cyclictest0-21swapper/220:00:012
1186048993123,5cyclictest0-21swapper/220:15:012
1186048993123,4cyclictest0-21swapper/221:40:172
1186048993121,6cyclictest0-21swapper/223:35:012
1186044993125,3cyclictest1300663-21kworker/u8:000:40:001
1186044993122,6cyclictest1281979-21cat23:45:011
1186044993119,9cyclictest1-21systemd19:27:091
1186039993125,3cyclictest0-21swapper/022:30:000
1186039993125,3cyclictest0-21swapper/020:45:010
1186039993124,3cyclictest0-21swapper/019:55:260
1186039993123,6cyclictest1212725-21kworker/u8:0+events_unbound20:52:170
1186039993123,5cyclictest0-21swapper/000:14:590
1186053993023,4cyclictest0-21swapper/319:55:003
1186053993023,3cyclictest0-21swapper/320:20:233
1186053993022,3cyclictest0-21swapper/321:15:173
1186053993019,8cyclictest391ktimers/321:50:153
1186053993019,7cyclictest1238172-21grep21:35:253
1186048993023,4cyclictest1271216-21unixbench_singl23:10:272
1186048993022,5cyclictest0-21swapper/221:25:002
1186048993020,7cyclictest0-21swapper/221:15:002
1186048993020,6cyclictest0-21swapper/222:40:262
1186048993020,4cyclictest0-21swapper/219:40:012
118604499304,4cyclictest131rcu_preempt00:15:131
1186044993023,5cyclictest1274748-21kworker/u8:0+events_unbound23:22:351
1186044993023,4cyclictest0-21swapper/121:25:171
1186044993023,4cyclictest0-21swapper/100:05:181
1186044993022,4cyclictest0-21swapper/122:50:161
1186039993023,4cyclictest1193400-21latency_hist19:30:010
1186039993023,4cyclictest0-21swapper/019:15:170
1186053992924,3cyclictest1224433-21kworker/u8:1+events_unbound21:02:193
1186053992921,4cyclictest0-21swapper/321:05:173
1186053992920,6cyclictest0-21swapper/321:50:013
1186053992920,5cyclictest0-21swapper/319:45:163
1186053992919,6cyclictest0-21swapper/320:20:003
1186053992918,6cyclictest0-21swapper/322:10:253
1186048992922,3cyclictest0-21swapper/200:12:462
1186048992921,4cyclictest0-21swapper/222:10:262
1186048992920,5cyclictest0-21swapper/220:00:262
1186048992917,7cyclictest0-21swapper/219:15:262
1186044992921,5cyclictest1251588-21cat22:15:201
1186044992921,5cyclictest0-21swapper/120:00:171
1186044992918,8cyclictest1201648-21grep19:50:261
1186044992915,9cyclictest1248839-21basename22:10:001
1186039992918,7cyclictest1209191-21cat20:15:010
1186053992821,3cyclictest0-21swapper/300:10:273
1186053992820,5cyclictest0-21swapper/320:05:003
1186053992819,6cyclictest0-21swapper/300:35:003
1186048992820,6cyclictest1269504-21unixbench_singl23:05:262
1186048992818,6cyclictest0-21swapper/221:00:252
1186048992818,6cyclictest0-21swapper/219:10:252
1186048992817,6cyclictest0-21swapper/223:55:252
118604499287,3cyclictest12421722latency_hist21:50:011
1186044992820,5cyclictest0-21swapper/122:40:261
1186039992822,3cyclictest13550irq/42-30be0000.ethernet22:00:260
1186039992821,4cyclictest1257774-21sh22:35:010
1186039992819,6cyclictest1201123-21sort19:50:210
1186039992819,5cyclictest0-21swapper/021:15:000
1186053992720,4cyclictest0-21swapper/320:10:013
1186053992719,5cyclictest0-21swapper/300:40:003
1186053992717,6cyclictest0-21swapper/319:20:013
1186048992720,4cyclictest0-21swapper/220:45:282
1186048992719,5cyclictest0-21swapper/219:50:012
1186048992716,6cyclictest0-21swapper/222:05:262
1186048992715,6cyclictest0-21swapper/219:50:262
1186044992720,4cyclictest0-21swapper/122:25:251
1186044992720,4cyclictest0-21swapper/122:00:001
1186044992719,4cyclictest0-21swapper/122:25:001
1186044992718,5cyclictest0-21swapper/121:20:301
1186039992721,3cyclictest0-21swapper/023:55:250
1186039992718,6cyclictest1214078-21grep20:25:250
1186053992619,4cyclictest0-21swapper/323:05:263
1186053992616,7cyclictest1294515-21cat00:20:203
118604899269,13cyclictest1231560-21run-parts21:20:002
1186048992616,6cyclictest0-21swapper/223:25:242
1186044992618,5cyclictest0-21swapper/100:25:161
1186044992618,5cyclictest0-21swapper/100:25:151
1186044992618,4cyclictest0-21swapper/122:45:261
1186039992620,3cyclictest0-21swapper/021:35:010
1186039992620,3cyclictest0-21swapper/000:30:150
1186039992613,10cyclictest121ktimers/020:35:120
118603999261,21cyclictest438-21cron22:20:000
118603999261,21cyclictest1207563-21latency_hist20:10:010
1186053992518,4cyclictest0-21swapper/321:20:183
1186053992518,3cyclictest0-21swapper/319:10:233
1186053992517,5cyclictest0-21swapper/323:00:243
1186053992517,4cyclictest0-21swapper/323:30:253
1186053992517,4cyclictest0-21swapper/322:10:013
1186053992516,6cyclictest0-21swapper/322:00:163
1186053992516,5cyclictest0-21swapper/300:05:233
1186048992519,3cyclictest0-21swapper/223:15:122
1186048992519,3cyclictest0-21swapper/223:15:122
1186048992518,4cyclictest0-21swapper/223:52:432
1186048992518,4cyclictest0-21swapper/223:00:172
1186048992518,3cyclictest0-21swapper/219:40:162
1186048992516,5cyclictest0-21swapper/219:30:252
1186044992518,5cyclictest1279900-21kworker/u8:1+events_unbound23:57:451
1186044992518,5cyclictest1279900-21kworker/u8:1+events_unbound23:45:131
1186044992517,4cyclictest1288699-21sh00:05:001
1186044992517,4cyclictest1231112-21grep21:15:281
1186044992515,7cyclictest1249651-21ls22:10:191
118604499251,11cyclictest0-21swapper/119:40:171
1186039992519,4cyclictest1198311-21kworker/u8:0+events_unbound19:48:410
1186039992518,4cyclictest0-21swapper/000:05:000
1186039992517,6cyclictest1247894-21tr22:05:220
1186039992515,6cyclictest0-21swapper/023:40:270
1186053992414,7cyclictest1228378-21apt-get21:10:143
1186048992419,3cyclictest0-21swapper/221:05:252
1186048992419,2cyclictest0-21swapper/219:25:182
1186048992416,5cyclictest0-21swapper/223:20:162
1186048992416,5cyclictest0-21swapper/222:40:012
1186048992416,4cyclictest438-21cron23:45:012
1186044992416,6cyclictest1240112-21kworker/u8:0+events_unbound21:53:351
1186044992416,4cyclictest0-21swapper/119:20:181
118603999247,11cyclictest13550irq/42-30be0000.ethernet20:00:200
1186039992417,3cyclictest0-21swapper/020:30:230
1186039992415,6cyclictest1282286-21grep23:45:140
1186039992415,5cyclictest0-21swapper/021:15:270
1186039992414,8cyclictest0-21swapper/000:25:000
118603999241,2cyclictest1240535-21apt-get21:45:130
1186039992412,9cyclictest204-21dbus-daemon23:22:330
1186039992412,4cyclictest131rcu_preempt22:51:180
118603999241,19cyclictest0-21swapper/021:44:480
118603999241,19cyclictest0-21swapper/021:24:250
118603999240,20cyclictest0-21swapper/019:39:390
1186053992316,3cyclictest0-21swapper/323:40:263
1186053992313,5cyclictest1273331-21auditctl23:20:003
1186053992313,5cyclictest1273331-21auditctl23:20:003
1186048992317,3cyclictest0-21swapper/221:25:252
1186048992317,3cyclictest0-21swapper/220:40:272
1186048992316,5cyclictest311ktimers/219:20:222
1186048992316,4cyclictest0-21swapper/221:30:152
1186048992316,3cyclictest1216190-21sh20:35:012
1186048992316,3cyclictest0-21swapper/220:55:252
1186048992315,5cyclictest0-21swapper/220:05:162
1186044992317,3cyclictest0-21swapper/123:35:221
1186044992317,3cyclictest0-21swapper/120:30:171
1186044992317,3cyclictest0-21swapper/120:15:171
1186044992316,4cyclictest1298468-21grep00:30:251
1186044992315,4cyclictest0-21swapper/119:30:251
1186044992314,6cyclictest1275694-21ls23:25:181
1186039992316,5cyclictest1187430-21kworker/u8:3+events_unbound19:22:100
1186039992316,3cyclictest0-21swapper/000:05:280
1186039992314,6cyclictest1283993-21grep23:50:170
1186039992314,6cyclictest0-21swapper/020:20:140
1186039992312,6cyclictest0-21swapper/019:30:250
118603999231,18cyclictest0-21swapper/023:34:370
118603999231,18cyclictest0-21swapper/022:41:060
1186053992216,3cyclictest0-21swapper/320:30:213
1186053992214,5cyclictest0-21swapper/320:55:133
1186053992214,5cyclictest0-21swapper/300:00:153
1186053992213,6cyclictest1255538-21cat22:25:253
118605399221,11cyclictest0-21swapper/320:46:433
1186048992216,3cyclictest1252657-21kthreadd22:20:002
1186048992215,4cyclictest1263108-21idleruntime-cro22:50:002
1186048992213,5cyclictest0-21swapper/221:45:272
118604499221,13cyclictest0-21swapper/121:31:351
1186039992215,3cyclictest0-21swapper/023:25:270
1186039992215,3cyclictest0-21swapper/021:56:190
118603999221,19cyclictest0-21swapper/023:11:550
1186053992111,6cyclictest1190388-21grep19:20:183
1186048992115,3cyclictest0-21swapper/200:00:202
118604499219,7cyclictest1246701-21unixbench_singl22:00:261
1186044992114,4cyclictest0-21swapper/119:10:201
1186048992014,3cyclictest0-21swapper/222:25:002
1186048992010,6cyclictest0-21swapper/200:30:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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