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2026-08-02 - 19:03

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 792 highest latencies:
System rackbslot5s.osadl.org (updated Sun Aug 02, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1348308995851,4cyclictest1371242-21munin-plugin-st08:15:010
1348308994840,4cyclictest1417255-21unixbench_multi10:25:260
1348321994637,7cyclictest391ktimers/307:30:123
1348316994635,7cyclictest1441336-21grep11:35:262
1348316994635,7cyclictest1441336-21grep11:35:262
1348321994537,4cyclictest1366101-21cron08:00:003
1348313994531,11cyclictest231ktimers/111:55:121
1348316994336,4cyclictest1404074-21latency_hist09:50:002
1348321994234,5cyclictest1449014-21fschecks_count12:00:173
1348316994231,8cyclictest1416017-21auditctl10:25:002
1348316994223,5cyclictest131rcu_preempt11:30:112
1348313994233,6cyclictest1436691-21cron11:25:001
1348321994129,8cyclictest391ktimers/311:25:133
1348316994121,7cyclictest1417673-21kworker/u8:0+events_unbound10:30:162
1348308994131,5cyclictest0-21swapper/012:20:000
1348321994032,5cyclictest1362715-21idleruntime-cro07:50:003
1348316994031,5cyclictest1424543-21ls10:50:002
1348313994031,5cyclictest0-21swapper/107:10:271
1348308993929,7cyclictest1355457-21grep07:25:260
1348308993928,6cyclictest0-21swapper/008:35:280
1348321993828,7cyclictest0-21swapper/311:20:003
1348316993828,5cyclictest1460987-21cron12:35:002
1348321993728,6cyclictest0-21swapper/309:25:003
1348321993727,7cyclictest0-21swapper/308:20:013
1348308993731,3cyclictest1441804-21latency_hist11:40:000
1348308993731,3cyclictest1441804-21latency_hist11:40:000
1348308993729,4cyclictest0-21swapper/007:20:010
1348308993728,6cyclictest1427946-21cron11:00:010
1348308993728,6cyclictest1378444-21cat08:35:010
1348308993726,8cyclictest1350038-21cron07:15:010
1348321993624,7cyclictest0-21swapper/307:15:273
1348316993627,4cyclictest0-21swapper/212:20:002
1348316993625,5cyclictest0-21swapper/212:30:012
1348313993628,4cyclictest0-21swapper/109:29:001
1348313993626,6cyclictest0-21swapper/110:40:251
1348313993626,6cyclictest0-21swapper/110:40:251
1348308993628,4cyclictest0-21swapper/010:04:040
1348308993626,6cyclictest0-21swapper/012:00:270
1348321993528,4cyclictest1460990-21audit_send_reply12:35:003
1348316993525,7cyclictest1369051-21grep08:05:312
1348316993523,8cyclictest1379964-21auditctl08:40:012
1348313993526,6cyclictest1434973-21cron11:20:011
1348308993526,6cyclictest1365665-21unixbench_multi07:55:290
1348321993425,6cyclictest0-21swapper/307:25:023
1348321993423,6cyclictest0-21swapper/308:40:273
1348316993428,4cyclictest1386671-21kworker/u8:1+events_unbound08:58:592
1348316993427,5cyclictest1384897-21kworker/u8:0+events_unbound09:44:032
1348316993425,6cyclictest311ktimers/209:50:162
1348316993423,7cyclictest1430031-21grep11:05:162
1348313993427,4cyclictest1352270-21sendmail07:20:011
1348321993323,6cyclictest0-21swapper/308:50:013
1348316993325,5cyclictest1410893-21sh10:10:002
1348316993325,4cyclictest0-21swapper/210:55:002
1348316993320,9cyclictest1400661-21ls09:40:002
1348313993326,4cyclictest0-21swapper/110:15:161
1348313993325,4cyclictest2-21kthreadd11:05:011
1348313993325,4cyclictest0-21swapper/109:10:271
1348308993325,5cyclictest0-21swapper/008:45:010
1348308993325,4cyclictest0-21swapper/009:00:000
1348308993324,6cyclictest0-21swapper/011:45:260
1348308993324,5cyclictest1415540-21grep10:20:270
1348308993322,7cyclictest1396772-21grep09:25:250
1348321993224,5cyclictest1412981-21fschecks_count10:15:163
1348321993224,4cyclictest0-21swapper/310:40:003
1348321993223,5cyclictest0-21swapper/308:00:183
1348321993222,6cyclictest0-21swapper/307:30:013
1348316993226,3cyclictest0-21swapper/208:30:272
1348316993222,7cyclictest1374453-21grep08:20:272
1348316993222,5cyclictest0-21swapper/210:55:162
1348313993225,3cyclictest0-21swapper/109:44:011
1348308993225,4cyclictest1424540-21sh10:50:000
1348308993225,4cyclictest1421123-21cron10:40:000
1348308993225,3cyclictest0-21swapper/012:00:000
1348321993124,4cyclictest0-21swapper/309:50:293
1348321993122,6cyclictest0-21swapper/310:55:263
1348321993121,6cyclictest0-21swapper/307:10:283
1348316993125,4cyclictest1420754-21kworker/u8:1+events_unbound11:14:142
1348316993122,6cyclictest1408758-21unixbench_singl10:00:272
1348316993122,5cyclictest0-21swapper/211:25:252
1348316993121,7cyclictest1353500-21grep07:20:282
1348316993120,6cyclictest0-21swapper/208:15:262
1348316993119,7cyclictest0-21swapper/211:20:252
1348316993118,9cyclictest1446494-21grep11:50:282
1348313993123,4cyclictest0-21swapper/109:05:181
1348308993125,4cyclictest1414138-21kworker/u8:1+events_unbound10:19:070
1348308993122,6cyclictest0-21swapper/012:05:250
1348308993120,7cyclictest1389757-21grep09:05:260
1348308993120,6cyclictest0-21swapper/011:40:260
1348321993021,6cyclictest0-21swapper/312:30:013
1348321993019,7cyclictest0-21swapper/311:20:253
1348321993019,7cyclictest0-21swapper/309:15:243
1348316993023,5cyclictest1357529-21kworker/u8:0+events_unbound07:39:122
1348316993022,4cyclictest1357097-21unixbench_multi07:30:252
1348316993022,4cyclictest0-21swapper/209:25:262
1348316993014,12cyclictest311ktimers/209:20:132
1348308993022,3cyclictest0-21swapper/009:25:000
1348308993019,7cyclictest0-21swapper/008:00:320
1348308993018,8cyclictest204-21dbus-daemon10:09:040
1348321992921,4cyclictest0-21swapper/310:00:263
1348321992920,6cyclictest0-21swapper/308:20:273
1348316992922,5cyclictest1362322-21kworker/u8:3+events_unbound07:48:532
1348316992921,4cyclictest0-21swapper/212:20:262
1348316992920,4cyclictest0-21swapper/208:30:012
1348316992919,6cyclictest0-21swapper/209:20:002
1348313992922,4cyclictest1348299-21cyclictest08:25:011
134830899299,17cyclictest0-21swapper/012:20:240
134830899292,5cyclictest131rcu_preempt07:30:120
1348321992820,5cyclictest0-21swapper/310:05:153
1348321992819,6cyclictest53-21kcompactd011:35:253
1348321992819,6cyclictest53-21kcompactd011:35:253
1348321992819,6cyclictest1446143-21fgrep11:50:263
1348321992819,6cyclictest0-21swapper/309:55:273
1348321992818,6cyclictest0-21swapper/312:10:273
1348321992818,6cyclictest0-21swapper/307:40:243
1348316992821,4cyclictest1448623-21sh12:00:002
1348316992814,10cyclictest311ktimers/211:40:122
1348313992821,4cyclictest1427476-21grep10:55:261
1348313992821,4cyclictest0-21swapper/110:50:001
1348313992821,4cyclictest0-21swapper/107:40:141
1348313992820,4cyclictest0-21swapper/112:15:271
1348313992820,4cyclictest0-21swapper/109:30:271
1348313992820,4cyclictest0-21swapper/109:30:261
1348308992822,3cyclictest1425399-21proc_pri10:50:240
1348308992821,4cyclictest1453742-21auditctl12:15:000
1348308992821,4cyclictest1431365-21kthreadd11:10:010
1348308992820,4cyclictest0-21swapper/009:15:250
1348308992819,6cyclictest0-21swapper/008:20:270
1348308992818,6cyclictest0-21swapper/010:30:260
1348308992817,8cyclictest1398476-21grep09:30:260
1348308992817,8cyclictest1398476-21grep09:30:260
1348308992817,7cyclictest1401917-21grep09:40:250
1348321992721,3cyclictest0-21swapper/310:30:003
1348321992720,5cyclictest1410614-21kworker/u8:2+events_unbound10:49:113
1348321992720,5cyclictest1391888-21kworker/u8:1+events_unbound09:29:023
1348321992719,4cyclictest0-21swapper/309:15:003
1348321992718,6cyclictest0-21swapper/312:15:273
1348321992718,6cyclictest0-21swapper/310:50:203
1348321992717,7cyclictest0-21swapper/311:35:003
1348321992716,7cyclictest0-21swapper/308:35:283
1348316992718,5cyclictest1398959-21munin-plugin-st09:35:002
1348316992718,5cyclictest1398959-21munin-plugin-st09:35:002
1348316992716,7cyclictest1370761-21grep08:10:262
134831699271,5cyclictest131rcu_preempt07:55:152
1348316992713,5cyclictest1412345-21kworker/u8:0+events_unbound10:14:062
1348313992719,4cyclictest0-21swapper/109:00:171
1348313992719,4cyclictest0-21swapper/107:25:271
134831399271,8cyclictest14147572cut10:20:171
1348313992716,8cyclictest1426229-21cron10:55:001
1348321992618,4cyclictest1433119-21latency_hist11:15:013
1348321992618,4cyclictest0-21swapper/309:35:253
1348316992620,4cyclictest1410614-21kworker/u8:2+events_unbound10:35:232
1348316992619,4cyclictest1417271-21grep10:25:262
1348316992615,5cyclictest0-21swapper/211:04:112
134831699261,13cyclictest0-21swapper/211:45:542
1348313992620,4cyclictest1358821-21unixbench_multi07:35:261
1348313992620,3cyclictest0-21swapper/108:00:001
1348313992620,3cyclictest0-21swapper/107:30:181
1348313992618,6cyclictest1400243-21unixbench_singl09:35:251
1348308992620,3cyclictest0-21swapper/012:40:000
1348308992619,3cyclictest0-21swapper/011:15:010
1348308992618,5cyclictest0-21swapper/007:40:240
1348308992617,6cyclictest0-21swapper/011:30:250
1348308992616,6cyclictest1388033-21grep09:00:260
1348308992615,6cyclictest0-21swapper/008:15:150
1348321992518,3cyclictest0-21swapper/312:35:243
1348321992517,5cyclictest0-21swapper/307:50:273
1348321992517,5cyclictest0-21swapper/307:50:273
1348316992519,4cyclictest1450153-21kworker/u8:0+events_unbound12:08:412
1348316992519,4cyclictest1362007-21kworker/u8:2+events_unbound07:50:082
1348316992519,4cyclictest1362007-21kworker/u8:2+events_unbound07:50:082
1348316992518,5cyclictest1410614-21kworker/u8:2+events_unbound10:15:182
1348316992518,4cyclictest1357529-21kworker/u8:0+events_unbound07:43:122
1348316992518,3cyclictest0-21swapper/207:15:032
1348316992517,4cyclictest0-21swapper/208:40:272
1348316992513,8cyclictest311ktimers/212:00:142
1348313992518,5cyclictest1383485-21runrttasks08:50:011
1348313992518,4cyclictest0-21swapper/108:30:171
1348313992518,4cyclictest0-21swapper/108:00:321
1348313992518,4cyclictest0-21swapper/107:20:181
1348313992516,7cyclictest1452431-21cut12:10:171
1348308992520,2cyclictest0-21swapper/011:00:130
1348308992519,3cyclictest0-21swapper/009:35:160
1348308992518,3cyclictest0-21swapper/010:15:000
1348308992516,6cyclictest1438116-21taskset11:26:420
1348308992515,6cyclictest0-21swapper/008:05:310
134830899251,20cyclictest0-21swapper/008:47:270
134830899251,20cyclictest0-21swapper/007:20:480
1348321992417,4cyclictest0-21swapper/312:20:263
1348321992414,7cyclictest1388092-21grep09:00:263
134831699243,4cyclictest131rcu_preempt11:15:132
1348316992419,3cyclictest1367501-21kworker/u8:2-ext4-rsv-conversion08:05:012
1348316992415,4cyclictest0-21swapper/208:45:162
1348313992418,3cyclictest0-21swapper/110:05:251
1348313992417,4cyclictest1386799-21sendmail09:00:001
1348313992417,4cyclictest0-21swapper/108:50:161
1348313992411,2cyclictest131rcu_preempt09:50:161
1348308992418,3cyclictest1436717-21idleruntime-cro11:25:000
1348308992414,6cyclictest0-21swapper/008:25:280
134830899241,19cyclictest0-21swapper/007:38:590
1348321992316,5cyclictest145-21jbd2/mmcblk1p2-809:05:183
1348321992315,5cyclictest0-21swapper/311:00:193
1348321992315,4cyclictest0-21swapper/309:45:173
1348321992314,6cyclictest1399051-21cat09:35:013
1348321992314,6cyclictest1399051-21cat09:35:013
1348321992314,6cyclictest0-21swapper/308:05:213
1348321992313,7cyclictest1358026-21grep07:35:173
1348316992317,4cyclictest1386671-21kworker/u8:1+events_unbound09:06:192
1348316992317,3cyclictest0-21swapper/208:50:162
1348316992313,7cyclictest1406235-21grep09:55:172
1348316992310,5cyclictest131rcu_preempt10:40:252
1348316992310,5cyclictest131rcu_preempt10:40:252
134831399237,3cyclictest0-21swapper/108:44:051
1348313992316,4cyclictest1372964-21idleruntime-cro08:20:011
1348313992315,5cyclictest0-21swapper/110:30:261
1348313992314,6cyclictest0-21swapper/109:20:271
1348313992311,8cyclictest204-21dbus-daemon11:54:181
1348308992319,2cyclictest13550irq/42-30be0000.ethernet11:50:200
1348308992317,4cyclictest13550irq/42-30be0000.ethernet07:50:220
1348308992317,4cyclictest13550irq/42-30be0000.ethernet07:50:210
1348308992316,3cyclictest0-21swapper/008:52:450
1348308992315,5cyclictest0-21swapper/009:50:000
134830899231,3cyclictest1362077-21/usr/sbin/munin07:45:250
1348308992313,7cyclictest1457791-21tune2fs12:25:170
1348308992313,7cyclictest1404870-21ntp_states09:50:250
1348321992217,3cyclictest0-21swapper/311:40:123
1348321992216,4cyclictest1367501-21kworker/u8:2+events_unbound08:13:573
1348321992215,4cyclictest1448634-21idleruntime-cro12:00:003
1348321992215,4cyclictest1421906-21ntpq10:40:203
1348321992215,4cyclictest1421906-21ntpq10:40:203
1348321992214,5cyclictest391ktimers/310:30:153
134831699222,3cyclictest131rcu_preempt07:25:122
1348316992213,6cyclictest1462205-21grep12:35:242
1348313992216,3cyclictest0-21swapper/112:25:181
1348313992216,3cyclictest0-21swapper/108:35:211
1348313992216,3cyclictest0-21swapper/108:10:181
1348313992215,4cyclictest0-21swapper/112:35:001
1348313992214,5cyclictest0-21swapper/112:10:001
134830899225,12cyclictest13550irq/42-30be0000.ethernet09:55:130
1348308992216,3cyclictest0-21swapper/009:10:220
1348308992215,3cyclictest0-21swapper/011:15:430
134830899220,18cyclictest0-21swapper/012:30:060
134832199217,12cyclictest1348299-21cyclictest10:10:113
1348321992115,3cyclictest0-21swapper/310:20:173
1348321992113,6cyclictest391ktimers/311:05:133
1348321992113,5cyclictest0-21swapper/311:45:253
1348321992113,5cyclictest0-21swapper/308:50:203
134831399212,3cyclictest131rcu_preempt11:32:181
1348313992115,3cyclictest0-21swapper/112:35:241
1348313992115,3cyclictest0-21swapper/108:25:231
1348313992114,5cyclictest231ktimers/111:15:011
1348313992114,4cyclictest1442751-21mailstats11:40:251
1348313992112,6cyclictest1420167-21nfs4_client10:35:211
134832199201,6cyclictest1452044-21idleruntime-cro12:10:003
134832199201,11cyclictest645-21runrttasks08:56:423
134831399209,8cyclictest204-21dbus-daemon10:04:041
134831399209,8cyclictest1361656-21cat07:45:191
1348313992015,3cyclictest0-21swapper/108:10:011
1348313992014,4cyclictest1403891-21kworker/u8:1+events_unbound09:49:041
1348313992014,4cyclictest0-21swapper/110:25:271
1348313992014,3cyclictest0-21swapper/111:50:001
1348313992013,4cyclictest1437134-21fschecks_time11:25:161
1348313992011,6cyclictest0-21swapper/109:15:011
1348321991911,5cyclictest0-21swapper/309:40:203
1348321991911,4cyclictest0-21swapper/308:30:013
1348313991914,3cyclictest645-21runrttasks09:55:161
1348313991913,3cyclictest0-21swapper/112:20:211
1348313991911,5cyclictest1449888-21sed12:00:271
134831399181,3cyclictest131rcu_preempt07:50:021
134831399181,3cyclictest131rcu_preempt07:50:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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