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2026-01-11 - 05:40

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 Sun Jan 11, 2026 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1263416994816,3cyclictest0-21swapper/122:40:171
1263416994739,5cyclictest1365057-21idleruntime-cro00:00:011
1263416994714,4cyclictest438-21cron22:55:001
1263425994637,6cyclictest1324855-21cron22:05:003
1263416994613,3cyclictest0-21swapper/123:15:161
1263411994432,8cyclictest1317595-21grep21:40:250
1263411994432,8cyclictest1317595-21grep21:40:250
1263425994332,7cyclictest1279732-21cron19:55:003
1263425994332,7cyclictest1279732-21cron19:55:003
1263416994234,4cyclictest1298989-21munin-plugin-st20:50:001
1263416994212,6cyclictest0-21swapper/122:40:001
1263420994133,4cyclictest0-21swapper/219:55:002
1263420994133,4cyclictest0-21swapper/219:55:002
1263420994130,7cyclictest0-21swapper/223:15:262
1263411994134,3cyclictest0-21swapper/023:05:000
1263411994031,5cyclictest1303647-21grep21:00:280
1263411994025,4cyclictest1335422-21kworker/u8:0+events_unbound22:42:510
1263425993928,6cyclictest0-21swapper/323:10:013
1263425993927,8cyclictest1284455-21grep20:05:263
1263420993928,7cyclictest1363329-21cron23:55:012
1263416993914,5cyclictest1305417-21grep21:05:261
1263411993930,6cyclictest1366520-21unixbench_multi00:00:250
1263425993830,4cyclictest0-21swapper/321:57:463
1263425993828,6cyclictest0-21swapper/323:50:253
1263420993827,7cyclictest1342117-21grep22:50:262
1263416993826,9cyclictest231ktimers/121:45:121
1263416993826,9cyclictest231ktimers/121:45:121
1263416993817,2cyclictest0-21swapper/100:00:221
1263416993817,18cyclictest1353071-21sh23:25:011
1263411993825,9cyclictest1312259-21grep21:25:260
1263425993730,4cyclictest0-21swapper/322:20:013
1263425993728,6cyclictest0-21swapper/320:00:003
1263425993728,6cyclictest0-21swapper/319:59:593
1263420993728,7cyclictest1320997-21unixbench_singl21:50:262
1263420993728,7cyclictest1320997-21unixbench_singl21:50:252
1263420993727,6cyclictest0-21swapper/219:15:012
1263416993727,7cyclictest1309240-21sh21:20:001
1263416993712,5cyclictest0-21swapper/122:00:001
1263411993727,8cyclictest121ktimers/023:35:110
1263411993726,6cyclictest1359512-21grep23:40:270
1263411993724,9cyclictest1333900-21apt-config22:30:010
1263420993627,6cyclictest1283590-21fschecks_time20:05:152
1263420993627,5cyclictest1371689-21unixbench_singl00:15:252
1263420993627,5cyclictest1371689-21unixbench_singl00:15:252
1263420993626,6cyclictest0-21swapper/221:40:152
1263420993626,6cyclictest0-21swapper/221:40:142
1263420993626,5cyclictest0-21swapper/219:45:262
1263420993626,5cyclictest0-21swapper/219:45:262
1263416993630,4cyclictest1350991-21kworker/u8:1+events_unbound23:27:571
1263416993627,5cyclictest0-21swapper/120:25:271
1263411993629,5cyclictest1307281-21kworker/u8:3+events_unbound21:22:420
1263411993627,5cyclictest0-21swapper/020:35:000
1263411993627,5cyclictest0-21swapper/020:35:000
1263411993622,7cyclictest0-21swapper/019:20:240
1263420993527,5cyclictest0-21swapper/223:00:002
1263420993523,8cyclictest0-21swapper/219:15:242
1263416993526,4cyclictest0-21swapper/122:00:151
1263411993527,4cyclictest0-21swapper/023:20:010
1263411993524,7cyclictest1329509-21grep22:15:260
1263411993524,7cyclictest1282710-21unixbench_multi20:00:270
1263425993427,4cyclictest0-21swapper/319:45:003
1263425993426,4cyclictest0-21swapper/319:40:013
1263425993424,7cyclictest1331492-21grep22:20:233
1263425993424,6cyclictest0-21swapper/323:35:243
1263420993428,3cyclictest0-21swapper/220:55:002
1263420993428,3cyclictest0-21swapper/220:54:592
1263420993424,8cyclictest1333957-21latency_hist22:30:012
1263416993427,4cyclictest0-21swapper/120:20:211
1263416993426,4cyclictest0-21swapper/123:42:581
1263416993426,4cyclictest0-21swapper/120:40:001
1263416993425,4cyclictest0-21swapper/121:50:261
1263416993425,4cyclictest0-21swapper/121:50:261
1263411993427,4cyclictest1307534-21auditctl21:15:000
1263411993426,4cyclictest0-21swapper/019:20:000
1263411993425,4cyclictest0-21swapper/022:34:590
1263411993423,7cyclictest1347308-21grep23:05:270
1263411993423,7cyclictest1298519-21grep20:45:280
1263425993322,7cyclictest0-21swapper/320:45:293
1263420993326,4cyclictest1358216-21sendmail23:40:002
1263420993325,4cyclictest0-21swapper/221:25:262
1263420993325,4cyclictest0-21swapper/221:17:412
1263420993323,7cyclictest0-21swapper/223:10:012
1263420993323,6cyclictest0-21swapper/219:25:262
1263416993326,4cyclictest0-21swapper/119:35:141
1263411993326,3cyclictest0-21swapper/000:40:010
1263411993323,6cyclictest0-21swapper/023:20:270
1263411993323,6cyclictest0-21swapper/022:05:260
1263411993323,6cyclictest0-21swapper/000:20:250
1263411993323,6cyclictest0-21swapper/000:20:250
1263425993226,4cyclictest1329958-21kworker/u8:3+events_unbound22:37:513
1263425993224,5cyclictest0-21swapper/300:10:243
1263425993223,5cyclictest0-21swapper/320:55:253
1263420993223,6cyclictest0-21swapper/221:35:262
1263420993223,6cyclictest0-21swapper/221:35:262
1263416993225,4cyclictest0-21swapper/121:30:231
1263416993224,4cyclictest0-21swapper/122:05:261
1263411993225,4cyclictest1343886-21unixbench_singl22:55:240
1263411993224,4cyclictest0-21swapper/000:25:260
1263411993223,7cyclictest1274577-21kworker/u8:1+events_unbound20:17:370
1263411993223,4cyclictest0-21swapper/020:15:020
1263411993221,6cyclictest0-21swapper/022:50:260
1263411993221,6cyclictest0-21swapper/021:35:260
1263411993221,6cyclictest0-21swapper/021:35:250
1263425993124,4cyclictest1351364-21sh23:20:013
1263425993124,4cyclictest0-21swapper/320:15:283
1263425993124,4cyclictest0-21swapper/320:00:273
1263425993123,5cyclictest0-21swapper/319:30:013
1263425993121,6cyclictest0-21swapper/321:35:263
1263425993121,6cyclictest0-21swapper/321:35:263
1263425993119,7cyclictest0-21swapper/323:00:243
1263420993122,6cyclictest1351789-21fschecks_time23:20:162
1263420993122,6cyclictest0-21swapper/221:00:002
1263420993122,4cyclictest0-21swapper/222:05:002
1263420993121,6cyclictest0-21swapper/221:50:002
1263420993121,6cyclictest0-21swapper/221:50:002
1263411993120,6cyclictest0-21swapper/019:55:270
1263411993120,6cyclictest0-21swapper/019:55:260
1263425993023,3cyclictest0-21swapper/323:00:003
1263425993020,6cyclictest0-21swapper/321:25:263
1263425993019,8cyclictest1366518-21grep00:00:253
1263425993018,8cyclictest1361225-21grep23:45:253
1263420993023,3cyclictest0-21swapper/222:45:262
1263420993022,4cyclictest0-21swapper/223:40:272
1263420993022,4cyclictest0-21swapper/220:45:162
1263420993021,6cyclictest1295549-21sh20:40:002
1263420993021,6cyclictest0-21swapper/220:35:002
1263420993021,6cyclictest0-21swapper/220:35:002
1263420993019,7cyclictest0-21swapper/219:55:172
1263420993019,7cyclictest0-21swapper/219:55:172
126341699307,4cyclictest13731932timerandwakeup00:20:241
126341699307,4cyclictest13731932timerandwakeup00:20:241
1263416993023,4cyclictest0-21swapper/123:50:221
1263416993022,5cyclictest0-21swapper/123:30:261
1263416993016,11cyclictest1263404-21cyclictest23:35:111
1263411993025,3cyclictest1274577-21kworker/u8:1+events_unbound20:06:410
1263411993022,4cyclictest0-21swapper/021:20:000
1263411993018,8cyclictest1362881-21grep23:50:240
1263425992921,4cyclictest0-21swapper/323:40:173
1263425992920,6cyclictest0-21swapper/300:00:003
1263425992919,6cyclictest0-21swapper/322:30:013
1263425992919,6cyclictest0-21swapper/322:05:263
1263425992919,6cyclictest0-21swapper/321:50:263
1263425992919,6cyclictest0-21swapper/321:50:263
1263425992919,6cyclictest0-21swapper/321:45:253
1263425992919,6cyclictest0-21swapper/321:45:253
1263425992919,6cyclictest0-21swapper/321:10:003
1263425992919,5cyclictest1264804-21grep19:10:263
1263425992917,7cyclictest0-21swapper/300:20:253
1263425992917,7cyclictest0-21swapper/300:20:253
1263420992921,5cyclictest0-21swapper/200:00:012
1263420992920,5cyclictest0-21swapper/223:25:252
1263416992922,4cyclictest0-21swapper/123:00:001
1263416992922,4cyclictest0-21swapper/120:15:171
1263416992921,5cyclictest1333842-21munin-plugin-st22:30:001
1263416992921,4cyclictest0-21swapper/100:35:261
1263416992919,7cyclictest1-21systemd00:28:091
1263411992919,8cyclictest11-21ksoftirqd/022:35:180
1263411992918,7cyclictest1361621-21sh23:50:010
1263411992917,7cyclictest1271197-21latency_hist19:30:010
1263411992913,11cyclictest1365054-21dpkg00:00:010
1263425992819,5cyclictest0-21swapper/319:30:213
1263420992821,4cyclictest0-21swapper/222:20:132
1263420992819,6cyclictest0-21swapper/222:20:012
1263420992819,5cyclictest1272894-21cron19:35:012
1263420992818,6cyclictest0-21swapper/200:15:002
1263416992818,7cyclictest231ktimers/100:30:101
1263416992818,7cyclictest0-21swapper/121:30:011
1263416992817,7cyclictest0-21swapper/120:40:261
1263416992817,7cyclictest0-21swapper/119:15:011
126341699281,5cyclictest0-21swapper/121:10:121
1263411992817,7cyclictest1299367-21tune2fs20:50:160
1263411992817,7cyclictest1299367-21tune2fs20:50:160
1263425992720,4cyclictest0-21swapper/319:45:163
1263425992720,4cyclictest0-21swapper/319:45:153
1263425992719,4cyclictest0-21swapper/300:15:253
1263425992719,4cyclictest0-21swapper/300:15:253
1263425992718,6cyclictest0-21swapper/322:40:273
1263420992721,3cyclictest0-21swapper/219:40:262
1263420992719,4cyclictest0-21swapper/200:05:262
1263416992720,4cyclictest0-21swapper/121:20:281
1263416992719,4cyclictest0-21swapper/120:10:001
1263416992719,4cyclictest0-21swapper/100:20:001
1263416992719,4cyclictest0-21swapper/100:20:001
1263416992718,6cyclictest0-21swapper/121:00:271
1263411992720,5cyclictest1349265-21kworker/u8:0+events_unbound23:12:570
1263411992716,7cyclictest0-21swapper/000:10:240
1263411992715,7cyclictest1327816-21grep22:10:260
1263411992715,7cyclictest0-21swapper/020:55:220
1263425992618,5cyclictest1294219-21fschecks_count20:35:163
1263425992618,5cyclictest0-21swapper/321:00:283
1263425992618,5cyclictest0-21swapper/320:10:233
1263425992618,4cyclictest0-21swapper/323:20:273
1263425992616,6cyclictest0-21swapper/321:20:283
1263420992619,5cyclictest0-21swapper/200:25:262
1263420992619,4cyclictest1288507-21munin-plugin-st20:20:002
1263416992620,3cyclictest0-21swapper/123:05:171
1263416992619,4cyclictest0-21swapper/120:30:261
1263416992619,4cyclictest0-21swapper/120:30:261
1263416992619,4cyclictest0-21swapper/100:05:261
1263416992615,7cyclictest0-21swapper/123:15:011
1263411992621,3cyclictest1341047-21latency_hist22:50:010
1263411992616,6cyclictest1324417-21grep22:00:260
1263411992616,5cyclictest438-21cron19:50:000
1263411992616,5cyclictest438-21cron19:50:000
1263425992516,6cyclictest0-21swapper/322:35:003
1263420992519,3cyclictest1378938-21kthreadd00:40:012
1263420992517,5cyclictest0-21swapper/222:35:322
1263420992517,5cyclictest0-21swapper/220:40:262
1263420992517,5cyclictest0-21swapper/220:25:242
1263420992516,5cyclictest0-21swapper/223:00:152
1263420992516,5cyclictest0-21swapper/222:05:182
1263420992516,5cyclictest0-21swapper/221:10:252
1263420992515,7cyclictest1361633-21cut23:50:012
1263420992515,7cyclictest1268794-21grep19:20:242
1263420992515,6cyclictest0-21swapper/222:15:022
1263416992518,4cyclictest0-21swapper/123:45:241
1263416992518,4cyclictest0-21swapper/119:50:151
1263416992518,4cyclictest0-21swapper/119:50:141
1263416992517,5cyclictest0-21swapper/122:15:161
126341199253,19cyclictest0-21swapper/020:20:390
1263411992517,5cyclictest0-21swapper/021:50:260
1263411992517,5cyclictest0-21swapper/021:50:260
1263411992517,4cyclictest0-21swapper/019:35:150
1263411992516,5cyclictest1356006-21grep23:30:260
1263411992515,6cyclictest1354312-21grep23:25:240
1263411992515,6cyclictest0-21swapper/019:40:250
126341199251,20cyclictest0-21swapper/021:58:180
126341199251,20cyclictest0-21swapper/021:31:200
1263411992510,10cyclictest204-21dbus-daemon00:18:070
1263411992510,10cyclictest204-21dbus-daemon00:18:060
126342599242,4cyclictest12670692tail19:15:243
1263425992417,5cyclictest391ktimers/321:10:113
1263425992417,5cyclictest0-21swapper/300:30:153
1263425992417,4cyclictest0-21swapper/300:35:163
1263425992415,6cyclictest1339789-21grep22:45:183
126342599240,3cyclictest0-21swapper/321:33:373
1263420992417,3cyclictest0-21swapper/222:40:172
1263420992415,6cyclictest1373827-21basename00:25:002
1263420992415,6cyclictest1373827-21basename00:25:002
1263420992414,6cyclictest0-21swapper/221:30:262
1263416992418,3cyclictest0-21swapper/119:15:031
1263416992417,4cyclictest0-21swapper/123:00:251
1263416992417,3cyclictest0-21swapper/120:00:271
1263416992416,6cyclictest1301443-21ntp_kernel_err20:55:191
1263411992417,3cyclictest0-21swapper/021:07:460
1263411992413,6cyclictest1265229-21cron19:15:010
1263411992412,7cyclictest0-21swapper/019:50:250
1263411992412,7cyclictest0-21swapper/019:50:250
126341199241,20cyclictest1294644-21ntp_states20:35:210
126341199241,19cyclictest0-21swapper/022:23:340
126341199241,19cyclictest0-21swapper/019:32:320
1263425992316,4cyclictest0-21swapper/321:20:003
1263425992315,4cyclictest0-21swapper/323:25:143
1263425992314,6cyclictest0-21swapper/319:25:023
126342599231,3cyclictest131rcu_preempt22:15:023
1263425992313,6cyclictest0-21swapper/323:30:263
1263420992316,4cyclictest1274205-21grep19:35:252
1263411992316,5cyclictest1274577-21kworker/u8:1+events_unbound20:27:380
1263411992312,7cyclictest0-21swapper/000:05:160
1263425992216,3cyclictest0-21swapper/322:50:253
1263425992213,6cyclictest0-21swapper/323:10:263
126342099224,6cyclictest0-21swapper/222:00:002
1263420992216,4cyclictest1329958-21kworker/u8:3+events_unbound22:34:052
1263420992216,3cyclictest0-21swapper/220:00:222
1263416992215,4cyclictest1269530-21latency_hist19:25:021
1263416992215,4cyclictest0-21swapper/120:50:161
1263416992215,4cyclictest0-21swapper/120:50:161
1263416992215,4cyclictest0-21swapper/119:55:171
1263416992215,4cyclictest0-21swapper/119:55:171
1263416992214,5cyclictest0-21swapper/100:10:151
1263416992211,8cyclictest204-21dbus-daemon22:22:481
1263411992215,3cyclictest0-21swapper/021:45:500
1263411992215,3cyclictest0-21swapper/021:45:490
1263420992115,3cyclictest0-21swapper/221:00:252
1263420992115,3cyclictest0-21swapper/220:25:012
126341699213,3cyclictest12857832uname20:10:251
1263416992115,3cyclictest0-21swapper/122:10:181
1263416992115,3cyclictest0-21swapper/119:40:231
1263416992111,6cyclictest0-21swapper/122:30:241
1263416992111,6cyclictest0-21swapper/121:40:001
1263416992111,6cyclictest0-21swapper/121:40:001
1263416992110,8cyclictest1271994-21seq19:30:211
126341199211,7cyclictest1376793-21unixbench_singl00:30:250
1263411992111,6cyclictest1296804-21grep20:40:260
1263425992013,5cyclictest391ktimers/320:20:233
1263425992012,5cyclictest0-21swapper/300:05:263
1263425992010,6cyclictest0-21swapper/320:30:203
1263425992010,6cyclictest0-21swapper/320:30:203
126342099209,8cyclictest1375872-21diskstats00:30:142
1263420992014,3cyclictest1365598-21cstates00:00:132
1263420992011,6cyclictest1355096-21/usr/sbin/munin23:30:142
1263416992011,6cyclictest231ktimers/119:25:071
1263416991913,3cyclictest0-21swapper/119:45:231
1263416991913,3cyclictest0-21swapper/119:45:231
126342599182,12cyclictest1318013-21cron21:45:003
126342599182,12cyclictest1318013-21cron21:45:003
126341699188,5cyclictest0-21swapper/122:45:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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