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2026-01-01 - 15:06

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 all highest latencies:
System rackbslot5s.osadl.org (updated Thu Jan 01, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1308382995344,4cyclictest0-21swapper/007:30:150
1308382995144,4cyclictest1334596-21munin-plugin-st08:25:000
1308395994937,8cyclictest391ktimers/311:20:133
1308382994840,4cyclictest1360661-21latency_hist09:40:010
1308395994739,5cyclictest1361963-21unixbench_singl09:40:273
1308391994638,4cyclictest1334596-21munin-plugin-st08:25:012
1308386994434,6cyclictest1358945-21cron09:35:011
1308386994430,11cyclictest231ktimers/111:35:141
1308391994332,8cyclictest311ktimers/210:15:122
1308382994333,6cyclictest1342082-21fschecks_time08:45:150
1308386994235,4cyclictest1411129-21cron12:05:011
1308386994232,7cyclictest1403812-21unixbench_multi11:40:281
1308382994231,7cyclictest438-21cron09:10:010
1308391994132,6cyclictest1315756-21sh07:30:012
1308386994133,5cyclictest1378212-21idleruntime-cro10:30:011
1308382994127,9cyclictest1326029-21sendmail08:00:000
1308395994033,4cyclictest1399156-21ls11:30:003
1308386994033,4cyclictest1379491-21unixbench_singl10:30:281
1308382994031,5cyclictest1322604-21sh07:50:000
1308382994029,7cyclictest1388406-21grep10:55:260
1308382994027,8cyclictest1383336-21grep10:40:280
1308386993931,4cyclictest0-21swapper/109:20:001
1308386993928,8cyclictest231ktimers/107:35:141
1308386993927,7cyclictest0-21swapper/107:45:011
1308386993927,7cyclictest0-21swapper/107:45:001
1308395993831,4cyclictest1412839-21munin-plugin-st12:10:013
1308386993828,5cyclictest0-21swapper/109:05:151
1308382993830,5cyclictest1363897-21kworker/u8:1+events_unbound10:12:410
1308382993827,6cyclictest1346527-21grep08:55:270
1308395993728,4cyclictest0-21swapper/309:35:463
1308395993727,4cyclictest0-21swapper/311:35:163
1308386993730,4cyclictest1388034-21proc_pri10:55:241
1308386993726,6cyclictest0-21swapper/111:45:251
1308382993729,4cyclictest0-21swapper/010:40:010
1308382993725,6cyclictest1369022-21unixbench_singl10:00:280
1308395993629,4cyclictest1405993-21idleruntime-cro11:50:013
1308391993628,4cyclictest0-21swapper/211:40:012
1308386993624,9cyclictest231ktimers/111:05:131
1308386993624,9cyclictest231ktimers/111:05:121
1308386993623,9cyclictest1341233-21grep08:40:251
1308382993630,4cyclictest1334290-21kworker/u8:2+events_unbound08:35:380
1308382993627,5cyclictest1353827-21sendmail09:20:000
1308382993624,7cyclictest0-21swapper/008:15:010
1308382993624,6cyclictest1336942-21grep08:30:180
1308391993526,6cyclictest1361954-21unixbench_singl09:40:272
1308391993526,4cyclictest0-21swapper/207:35:182
1308386993522,8cyclictest0-21swapper/109:00:301
1308382993524,7cyclictest1384992-21grep10:45:270
1308382993523,7cyclictest0-21swapper/011:10:250
1308382993523,7cyclictest0-21swapper/011:10:250
1308382993520,9cyclictest1415811-21grep12:15:260
1308391993426,4cyclictest0-21swapper/212:10:172
1308391993424,7cyclictest1400851-21sh11:35:012
1308386993427,4cyclictest1395712-21cron11:20:001
1308386993424,6cyclictest0-21swapper/110:50:271
1308386993423,7cyclictest0-21swapper/110:00:281
1308382993428,4cyclictest1383398-21kworker/u8:0+events_unbound11:00:560
1308382993424,6cyclictest0-21swapper/007:20:010
1308382993423,6cyclictest1379442-21grep10:30:270
1308382993421,8cyclictest0-21swapper/011:35:260
1308395993326,4cyclictest0-21swapper/310:20:293
1308395993325,5cyclictest1339916-21cron08:40:013
1308395993323,6cyclictest0-21swapper/311:30:253
1308395993322,7cyclictest1381357-21unixbench_multi10:35:253
1308391993325,5cyclictest1407684-21kworker/u8:1+events_unbound11:56:052
1308391993325,4cyclictest0-21swapper/210:55:272
1308391993325,4cyclictest0-21swapper/210:10:262
1308391993325,4cyclictest0-21swapper/209:15:252
1308391993325,4cyclictest0-21swapper/208:25:282
1308391993322,7cyclictest1332441-21grep08:15:282
1308391993321,7cyclictest0-21swapper/212:35:262
1308386993323,6cyclictest0-21swapper/111:35:011
1308382993325,5cyclictest1367508-21munin-plugin-st10:00:000
1308382993324,4cyclictest0-21swapper/008:00:290
1308382993320,8cyclictest0-21swapper/009:40:270
130838299331,12cyclictest1328978-21grep08:05:260
1308395993224,4cyclictest0-21swapper/307:30:183
1308395993222,7cyclictest0-21swapper/309:55:003
1308395993221,7cyclictest0-21swapper/309:20:253
1308391993225,4cyclictest0-21swapper/209:05:242
1308391993222,7cyclictest0-21swapper/212:20:272
1308391993221,6cyclictest0-21swapper/212:15:262
1308386993224,4cyclictest0-21swapper/110:20:301
1308386993223,5cyclictest0-21swapper/110:05:261
1308386993222,5cyclictest0-21swapper/110:00:011
1308386993221,7cyclictest0-21swapper/111:00:181
1308386993220,7cyclictest0-21swapper/111:20:261
1308382993223,5cyclictest1336500-21sh08:30:010
1308382993223,5cyclictest0-21swapper/010:20:290
1308382993222,5cyclictest0-21swapper/008:45:010
1308382993221,7cyclictest1410703-21grep12:00:270
1308382993221,7cyclictest0-21swapper/010:05:260
1308382993221,6cyclictest0-21swapper/011:40:280
1308382993220,7cyclictest1412366-21grep12:05:260
1308395993124,4cyclictest0-21swapper/308:25:263
1308395993122,5cyclictest0-21swapper/310:40:183
1308395993121,6cyclictest0-21swapper/308:59:593
1308395993121,6cyclictest0-21swapper/308:40:263
1308395993121,6cyclictest0-21swapper/307:15:013
1308391993123,5cyclictest1307974-21kworker/u8:3+events_unbound07:20:122
1308391993123,5cyclictest1-21systemd12:01:042
1308391993123,4cyclictest0-21swapper/211:05:562
1308391993123,4cyclictest0-21swapper/211:05:552
1308391993123,4cyclictest0-21swapper/207:50:262
1308391993122,6cyclictest1327265-21unixbench_multi08:00:252
1308391993120,6cyclictest0-21swapper/208:10:262
1308386993123,4cyclictest0-21swapper/110:40:271
1308386993122,5cyclictest0-21swapper/108:40:001
1308386993120,7cyclictest0-21swapper/108:30:291
130838299314,6cyclictest131rcu_preempt09:00:130
1308382993122,4cyclictest0-21swapper/012:25:000
1308382993121,5cyclictest0-21swapper/010:54:590
1308382993120,7cyclictest1396981-21grep11:20:260
1308382993119,8cyclictest0-21swapper/011:30:250
1308395993021,5cyclictest0-21swapper/309:10:263
1308395993018,8cyclictest0-21swapper/311:45:013
1308391993019,7cyclictest0-21swapper/207:15:002
1308386993023,4cyclictest0-21swapper/112:35:271
1308386993022,4cyclictest0-21swapper/108:50:281
1308386993020,6cyclictest0-21swapper/112:30:271
1308386993020,6cyclictest0-21swapper/107:15:261
1308386993019,7cyclictest1334584-21auditctl08:25:011
130838299302,5cyclictest131rcu_preempt07:40:120
130838299302,5cyclictest131rcu_preempt07:40:120
1308382993020,5cyclictest1309614-21head07:10:260
1308382993019,6cyclictest1407271-21grep11:50:290
130838299301,4cyclictest131rcu_preempt09:30:140
1308395992922,4cyclictest0-21swapper/311:55:263
1308395992921,4cyclictest0-21swapper/311:05:263
1308395992921,4cyclictest0-21swapper/311:05:263
130839199294,3cyclictest13824812cut10:40:182
1308391992922,3cyclictest0-21swapper/208:30:282
1308391992918,7cyclictest0-21swapper/209:35:252
1308386992922,3cyclictest0-21swapper/112:05:261
1308386992921,4cyclictest0-21swapper/110:45:271
1308386992917,8cyclictest1355056-21grep09:20:261
1308382992919,5cyclictest1422035-21fschecks_time12:35:170
130838299291,5cyclictest131rcu_preempt08:50:130
130838299291,4cyclictest131rcu_preempt11:45:120
1308395992819,6cyclictest0-21swapper/311:04:593
1308395992819,5cyclictest0-21swapper/307:25:263
1308395992818,6cyclictest0-21swapper/312:40:003
1308395992818,6cyclictest0-21swapper/310:50:003
1308391992822,3cyclictest0-21swapper/210:55:012
1308391992820,4cyclictest0-21swapper/211:24:592
1308391992818,7cyclictest1338556-21diskstats08:35:162
1308391992816,8cyclictest1316002-21sshd07:30:162
1308391992814,6cyclictest32-21ksoftirqd/209:10:112
1308386992819,6cyclictest0-21swapper/109:45:001
1308386992819,6cyclictest0-21swapper/107:30:301
1308386992819,5cyclictest1332876-21idleruntime-cro08:20:001
1308386992819,5cyclictest0-21swapper/108:00:001
1308386992818,7cyclictest1310298-21ls07:15:011
1308386992817,6cyclictest0-21swapper/112:00:011
1308386992813,3cyclictest0-21swapper/111:11:551
1308386992813,3cyclictest0-21swapper/111:11:541
1308382992820,4cyclictest0-21swapper/009:20:250
1308382992818,6cyclictest1409408-21munin-plugin-st12:00:000
1308382992817,6cyclictest0-21swapper/009:50:000
1308382992816,7cyclictest0-21swapper/009:50:270
130838299281,4cyclictest131rcu_preempt11:05:130
130838299281,4cyclictest131rcu_preempt11:05:130
1308395992721,3cyclictest0-21swapper/310:50:263
1308395992720,4cyclictest1409643-21kworker/u8:2+events_unbound12:00:243
1308395992720,3cyclictest0-21swapper/309:45:213
1308395992719,4cyclictest0-21swapper/308:00:263
1308386992720,5cyclictest1331121-21kworker/u8:1+events_unbound08:15:011
1308386992720,4cyclictest0-21swapper/112:15:251
1308386992718,6cyclictest1343470-21sort08:50:001
1308386992718,6cyclictest0-21swapper/110:20:011
1308386992717,6cyclictest0-21swapper/109:10:221
1308382992711,4cyclictest131rcu_preempt10:25:110
1308395992619,5cyclictest0-21swapper/310:10:143
1308395992619,4cyclictest1330206-21ntpq08:10:213
1308395992618,4cyclictest0-21swapper/307:50:243
1308395992617,6cyclictest0-21swapper/312:35:003
1308395992616,7cyclictest1376814-21awk10:25:133
1308395992616,7cyclictest1350284-21seq09:08:443
1308395992616,6cyclictest1326033-21tr08:00:003
1308391992616,7cyclictest1348227-21grep09:00:292
1308391992616,6cyclictest0-21swapper/209:45:152
1308391992614,9cyclictest1367501-21apt-get10:00:012
1308391992613,9cyclictest164-21systemd-journal08:05:292
1308386992620,4cyclictest1405949-21kworker/u8:0+events_unbound12:11:061
1308386992620,3cyclictest0-21swapper/112:25:241
1308386992617,6cyclictest0-21swapper/107:55:011
1308382992619,5cyclictest1396054-21kworker/u8:2+events_unbound11:26:000
1308382992617,5cyclictest0-21swapper/011:20:000
1308395992518,4cyclictest1393946-21kworker/u8:0+events_unbound11:15:583
1308395992517,4cyclictest0-21swapper/311:10:253
1308395992517,4cyclictest0-21swapper/311:10:253
1308395992516,6cyclictest0-21swapper/311:50:293
1308395992515,7cyclictest1367947-21seq10:00:023
1308395992515,7cyclictest1319508-21awk07:40:133
1308395992515,7cyclictest1319508-21awk07:40:133
1308395992514,8cyclictest1328642-21cut08:05:233
1308395992514,7cyclictest0-21swapper/310:10:013
1308395992513,8cyclictest1353382-21grep09:15:253
1308391992519,3cyclictest0-21swapper/212:35:002
1308391992519,3cyclictest0-21swapper/208:55:192
1308391992518,5cyclictest1343266-21kworker/u8:1+events_unbound08:50:402
1308391992518,5cyclictest1307974-21kworker/u8:3+events_unbound07:15:112
1308391992516,6cyclictest0-21swapper/208:45:262
1308391992515,7cyclictest1381981-21apt-config10:40:002
1308386992518,4cyclictest1363167-21ntpq09:45:191
1308386992517,5cyclictest0-21swapper/108:25:271
1308386992515,7cyclictest1372915-21apt-config10:15:001
1308386992515,6cyclictest0-21swapper/108:10:001
1308386992514,6cyclictest0-21swapper/109:25:271
130838299252,20cyclictest1317801-21cstates07:35:150
1308382992514,7cyclictest1374771-21auditctl10:20:000
130838299251,20cyclictest0-21swapper/012:10:110
1308395992418,3cyclictest0-21swapper/310:35:013
1308395992416,5cyclictest0-21swapper/307:35:263
1308395992416,4cyclictest0-21swapper/312:25:253
1308395992415,6cyclictest1366241-21fschecks_time09:55:153
1308395992414,7cyclictest1415331-21cat12:15:213
1308395992414,7cyclictest1344018-21perl08:50:173
1308391992417,5cyclictest1332480-21kworker/2:0+events10:30:512
1308391992417,3cyclictest0-21swapper/210:25:272
1308391992417,3cyclictest0-21swapper/207:50:012
1308391992415,6cyclictest1418608-21grep12:25:192
1308391992415,6cyclictest0-21swapper/209:50:172
1308391992415,5cyclictest1356835-21grep09:25:272
1308391992414,5cyclictest0-21swapper/210:05:002
1308391992413,7cyclictest0-21swapper/207:40:252
1308391992413,7cyclictest0-21swapper/207:40:242
1308386992416,5cyclictest1319130-21kworker/u8:1+events_unbound07:45:271
1308386992416,5cyclictest0-21swapper/109:40:011
1308386992415,5cyclictest0-21swapper/111:29:591
130838299243,15cyclictest1419669-21cron12:30:000
1308382992418,4cyclictest1416097-21kworker/u8:3+events_unbound12:33:160
1308382992415,6cyclictest1352137-21sort09:15:010
1308382992415,4cyclictest0-21swapper/009:25:260
1308382992414,4cyclictest0-21swapper/007:20:250
130838299241,19cyclictest0-21swapper/007:29:250
1308395992317,3cyclictest0-21swapper/309:30:183
1308395992317,3cyclictest0-21swapper/309:00:253
1308395992317,3cyclictest0-21swapper/307:45:263
1308395992316,4cyclictest0-21swapper/308:20:243
1308395992315,5cyclictest0-21swapper/310:15:063
1308391992317,3cyclictest0-21swapper/210:45:172
1308391992315,5cyclictest1389265-21seq11:00:172
1308391992310,10cyclictest311ktimers/211:40:122
1308386992315,5cyclictest0-21swapper/109:50:251
1308386992315,4cyclictest0-21swapper/108:00:181
1308382992313,6cyclictest1332867-21cron08:20:000
1308395992215,4cyclictest0-21swapper/312:20:163
1308391992216,3cyclictest0-21swapper/210:05:142
1308391992213,6cyclictest311ktimers/207:55:182
1308386992216,3cyclictest0-21swapper/110:40:001
130838699221,18cyclictest1315040-21mailstats07:25:251
1308395992112,6cyclictest0-21swapper/308:30:183
1308395992111,7cyclictest1342630-21expr08:45:253
1308391992114,5cyclictest1392230-21kworker/u8:1+events_unbound11:25:212
1308391992110,8cyclictest1404636-21diskstats11:45:142
1308386992114,5cyclictest231ktimers/111:50:201
1308391992015,3cyclictest1393268-21mailstats11:10:242
1308391992015,3cyclictest1393268-21mailstats11:10:242
1308391992014,3cyclictest1376506-21idleruntime-cro10:25:012
1308391992014,3cyclictest0-21swapper/209:35:002
1308391992013,5cyclictest1355284-21kworker/u8:0+events_unbound09:22:492
1308391992010,7cyclictest1412197-21expr12:05:242
1308395991910,7cyclictest1331952-21ntpq08:15:243
1308391991912,5cyclictest311ktimers/211:50:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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