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2026-08-23 - 14:49

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 376 highest latencies:
System rackbslot5s.osadl.org (updated Sun Aug 23, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1331009995846,8cyclictest1390181-21idleruntime-cro21:59:590
1331014995445,6cyclictest1-21systemd00:37:591
1331018995238,10cyclictest311ktimers/219:30:122
1331014995238,10cyclictest1355419-21auditctl20:20:011
1331023995021,25cyclictest0-21swapper/323:10:153
1331014995040,7cyclictest1350681-21grep20:05:171
1331018994827,14cyclictest13913002cat22:00:252
1331009994739,5cyclictest1337921-21unixbench_multi19:25:250
1331023994618,25cyclictest0-21swapper/300:35:263
1331018994538,5cyclictest1365546-21kworker/u8:1+events_unbound21:17:122
1331014994538,4cyclictest1442212-21idleruntime-cro00:30:001
1331023994435,6cyclictest1403808-21cron22:40:013
1331023994417,4cyclictest0-21swapper/322:30:173
1331023994318,21cyclictest0-21swapper/323:00:263
1331009994335,4cyclictest1367795-21munin-plugin-st20:55:010
1331023994234,4cyclictest0-21swapper/320:50:023
1331023994213,8cyclictest1342586-21ntp_states19:40:223
1331023994213,5cyclictest0-21swapper/323:30:263
1331018994234,5cyclictest1390176-21munin-run21:59:592
1331014994230,8cyclictest1431317-21grep23:55:231
1331023994115,4cyclictest0-21swapper/319:35:023
1331018994133,5cyclictest1357534-21fschecks_count20:25:162
1331018994131,6cyclictest1387987-21unixbench_multi21:50:252
1331009994130,7cyclictest1371409-21sh21:05:000
1331018994026,10cyclictest311ktimers/219:25:122
1331023993930,4cyclictest0-21swapper/319:56:553
1331018993927,7cyclictest0-21swapper/221:45:002
1331023993824,9cyclictest1376545-21sendmail21:20:013
1331014993831,4cyclictest0-21swapper/100:20:161
1331018993727,6cyclictest1444280-21fschecks_count00:35:172
1331018993726,6cyclictest0-21swapper/222:30:002
1331014993728,6cyclictest0-21swapper/122:50:011
1331023993628,4cyclictest0-21swapper/321:50:003
1331009993624,8cyclictest1383112-21sshd21:37:140
1331009993624,8cyclictest1383112-21sshd21:37:140
1331009993623,7cyclictest1424499-21grep23:35:230
1331009993623,10cyclictest121ktimers/023:05:150
1331018993526,6cyclictest0-21swapper/222:35:002
1331018993526,5cyclictest0-21swapper/221:15:002
1331018993523,7cyclictest0-21swapper/220:20:002
1331014993527,4cyclictest0-21swapper/119:10:261
1331009993527,4cyclictest0-21swapper/000:00:010
1331009993526,6cyclictest0-21swapper/020:35:000
1331009993524,8cyclictest1376058-21grep21:15:270
1331023993423,7cyclictest0-21swapper/319:15:023
1331018993427,4cyclictest1426224-21unixbench_singl23:40:252
1331018993424,6cyclictest1434712-21grep00:05:272
1331018993424,6cyclictest1407237-21sh22:50:012
1331014993427,4cyclictest0-21swapper/121:40:011
1331014993427,4cyclictest0-21swapper/121:40:001
1331014993427,4cyclictest0-21swapper/121:25:001
1331014993426,4cyclictest0-21swapper/122:50:181
1331009993427,3cyclictest0-21swapper/022:47:320
1331009993426,5cyclictest1350684-21fschecks_count20:05:170
1331009993426,4cyclictest0-21swapper/022:15:260
1331009993415,3cyclictest0-21swapper/021:30:230
1331023993325,4cyclictest0-21swapper/323:50:003
1331023993325,3cyclictest0-21swapper/320:10:153
1331018993324,5cyclictest0-21swapper/222:15:012
1331018993323,6cyclictest0-21swapper/200:30:262
1331018993322,6cyclictest1424482-21grep23:35:242
1331014993327,4cyclictest1348459-21kworker/u8:0+events_unbound20:47:061
1331014993325,5cyclictest0-21swapper/122:35:261
1331014993325,4cyclictest0-21swapper/123:10:001
1331014993325,4cyclictest0-21swapper/100:20:011
1331014993323,7cyclictest1436460-21grep00:10:271
1331014993323,6cyclictest0-21swapper/121:15:261
1331014993319,11cyclictest231ktimers/121:05:151
1331009993326,4cyclictest1362458-21munin-plugin-st20:40:000
1331009993325,5cyclictest1426644-21cron23:45:000
1331009993325,4cyclictest0-21swapper/019:30:260
1331009993321,9cyclictest121ktimers/000:30:130
1331023993224,4cyclictest0-21swapper/321:20:273
1331023993223,5cyclictest0-21swapper/323:00:003
133101899323,5cyclictest131rcu_preempt22:50:132
1331018993225,4cyclictest1345196-21kthreadd19:50:012
1331018993224,4cyclictest0-21swapper/200:15:272
1331014993225,4cyclictest0-21swapper/120:30:261
1331014993223,6cyclictest0-21swapper/120:45:011
1331014993222,7cyclictest1362002-21grep20:35:261
1331009993224,5cyclictest0-21swapper/023:30:010
1331009993224,4cyclictest0-21swapper/000:10:000
1331009993212,17cyclictest1385087-21basename21:45:010
1331023993123,4cyclictest1400424-21munin-plugin-st22:30:003
1331023993123,4cyclictest0-21swapper/320:55:273
1331018993123,4cyclictest0-21swapper/219:40:162
1331018993122,4cyclictest0-21swapper/223:35:012
1331018993121,6cyclictest0-21swapper/221:05:012
1331014993124,3cyclictest0-21swapper/100:05:001
1331014993123,5cyclictest0-21swapper/119:30:021
1331014993120,8cyclictest438-21cron20:00:011
1331009993125,3cyclictest13850irq/36-mmc100:15:000
1331009993124,4cyclictest1364165-21sh20:45:000
133102399303,23cyclictest1358914-21grep20:30:013
1331023993023,4cyclictest1438793-21munin-plugin-st00:20:003
1331018993023,3cyclictest0-21swapper/221:25:012
1331018993021,5cyclictest0-21swapper/220:45:172
1331018993020,6cyclictest0-21swapper/222:20:012
1331018993020,5cyclictest0-21swapper/222:20:262
1331018993019,8cyclictest1393156-21grep22:05:262
1331014993024,4cyclictest1369491-21munin-run21:00:001
1331014993023,4cyclictest0-21swapper/120:00:261
1331014993022,4cyclictest0-21swapper/123:05:001
1331014993021,5cyclictest1343052-21grep19:40:251
1331009993023,3cyclictest0-21swapper/021:49:590
1331009993022,5cyclictest0-21swapper/023:19:590
1331009993022,5cyclictest0-21swapper/000:00:280
1331009993022,3cyclictest0-21swapper/023:00:010
1331009993018,8cyclictest121ktimers/019:20:120
1331023992921,4cyclictest0-21swapper/300:25:253
1331018992923,3cyclictest0-21swapper/223:24:592
1331018992922,4cyclictest0-21swapper/200:10:172
1331018992922,3cyclictest0-21swapper/221:05:272
1331018992922,3cyclictest0-21swapper/200:30:012
1331018992920,6cyclictest1357136-21apt20:25:002
1331018992920,5cyclictest0-21swapper/223:30:002
1331014992921,4cyclictest0-21swapper/122:35:001
1331014992919,7cyclictest0-21swapper/119:55:011
1331009992923,4cyclictest1369624-21latency_hist21:00:000
1331009992918,7cyclictest1358435-21grep20:25:270
1331018992821,4cyclictest0-21swapper/222:55:162
1331018992820,4cyclictest0-21swapper/220:10:262
1331018992820,4cyclictest0-21swapper/219:25:012
1331014992821,5cyclictest1395225-21kworker/u8:1+events_unbound22:17:261
1331014992820,5cyclictest0-21swapper/122:20:261
1331014992819,6cyclictest1-21systemd21:47:161
1331009992822,3cyclictest1350301-21cron20:05:010
1331009992822,3cyclictest0-21swapper/021:10:000
1331009992821,3cyclictest0-21swapper/022:30:000
1331009992819,5cyclictest1394006-21cut22:10:170
1331009992818,7cyclictest1414944-21grep23:10:150
1331009992817,7cyclictest0-21swapper/022:05:270
1331009992811,14cyclictest1445137-21unixbench_multi00:35:260
1331023992717,6cyclictest0-21swapper/321:02:073
1331018992720,4cyclictest0-21swapper/220:05:282
1331018992719,3cyclictest0-21swapper/219:20:012
1331018992717,8cyclictest1402611-21if_err_eth022:35:172
1331018992716,9cyclictest311ktimers/219:10:142
1331018992716,7cyclictest1-21systemd19:56:542
1331014992718,6cyclictest0-21swapper/120:30:011
1331014992717,7cyclictest231ktimers/121:10:121
1331014992717,7cyclictest1387180-21grep21:50:161
1331014992714,10cyclictest1367779-21sh20:55:001
133101499271,22cyclictest1400410-21cron22:30:011
1331009992720,4cyclictest0-21swapper/019:15:260
1331023992618,4cyclictest0-21swapper/322:10:263
1331023992615,8cyclictest1424120-21cut23:35:213
1331018992619,3cyclictest0-21swapper/220:50:232
1331018992619,3cyclictest0-21swapper/220:30:272
1331018992615,7cyclictest0-21swapper/200:00:292
133100999265,13cyclictest0-21swapper/023:48:230
133100999263,20cyclictest0-21swapper/000:22:320
1331009992619,4cyclictest1412509-21latency_hist23:05:010
1331009992619,4cyclictest0-21swapper/020:20:260
1331009992616,7cyclictest1397249-21apt-get22:20:120
133100999261,11cyclictest1442388-21wc00:30:020
1331023992518,3cyclictest0-21swapper/322:45:153
1331023992517,5cyclictest0-21swapper/322:15:163
1331023992517,5cyclictest0-21swapper/321:30:253
1331023992517,5cyclictest0-21swapper/300:05:263
1331023992517,4cyclictest0-21swapper/323:40:163
1331023992517,4cyclictest0-21swapper/323:25:243
1331023992516,6cyclictest0-21swapper/321:10:273
1331018992519,3cyclictest0-21swapper/220:35:262
1331018992518,4cyclictest0-21swapper/223:55:232
1331018992518,4cyclictest0-21swapper/223:10:152
1331018992518,4cyclictest0-21swapper/200:20:272
1331018992518,3cyclictest0-21swapper/221:40:002
1331018992518,3cyclictest0-21swapper/221:40:002
1331018992518,3cyclictest0-21swapper/219:35:272
1331018992516,6cyclictest1386478-21seq21:46:402
1331018992516,6cyclictest0-21swapper/223:05:002
1331018992515,7cyclictest1414450-21latency_hist23:10:012
1331014992518,4cyclictest0-21swapper/121:00:181
1331014992517,5cyclictest0-21swapper/122:55:241
1331014992517,5cyclictest0-21swapper/119:30:261
1331014992515,7cyclictest1380411-21grep21:30:171
1331009992520,3cyclictest0-21swapper/023:35:000
1331009992520,2cyclictest0-21swapper/000:20:010
1331009992516,5cyclictest0-21swapper/020:49:510
1331009992516,5cyclictest0-21swapper/020:20:000
133100999251,4cyclictest1430052-21awk23:55:010
1331023992418,3cyclictest0-21swapper/322:00:153
1331023992418,3cyclictest0-21swapper/320:22:003
1331023992417,5cyclictest391ktimers/300:00:163
1331023992417,3cyclictest0-21swapper/319:35:253
1331023992416,4cyclictest0-21swapper/300:20:273
1331018992418,3cyclictest0-21swapper/223:50:252
1331018992418,3cyclictest0-21swapper/221:35:012
1331018992417,5cyclictest1405290-21kworker/u8:0+events_unbound22:42:342
1331018992417,4cyclictest0-21swapper/220:00:262
1331018992414,7cyclictest1417931-21wc23:20:002
1331018992413,6cyclictest1363117-21cat20:40:202
1331014992418,3cyclictest0-21swapper/123:20:261
1331014992418,3cyclictest0-21swapper/122:40:211
1331014992417,4cyclictest0-21swapper/123:50:251
1331014992416,5cyclictest0-21swapper/120:20:181
1331014992413,8cyclictest1434745-21grep00:05:261
133100999242,5cyclictest1341764-21cron19:40:020
1331009992418,3cyclictest13550irq/42-30be0000.ethernet22:50:240
1331009992418,3cyclictest0-21swapper/021:10:260
133100999241,5cyclictest1405185-21taskset22:40:540
133100999241,14cyclictest0-21swapper/020:10:480
133100999240,20cyclictest0-21swapper/022:31:090
1331023992316,3cyclictest0-21swapper/323:05:253
1331023992316,3cyclictest0-21swapper/322:05:203
1331023992315,5cyclictest1382739-21seq21:35:273
1331023992315,5cyclictest1382739-21seq21:35:263
1331018992316,4cyclictest0-21swapper/221:00:012
1331018992314,7cyclictest1427831-21sed23:45:242
1331014992316,4cyclictest0-21swapper/123:35:231
1331014992316,4cyclictest0-21swapper/119:50:011
1331014992316,3cyclictest0-21swapper/120:15:011
1331014992315,5cyclictest0-21swapper/119:20:151
133100999234,13cyclictest13550irq/42-30be0000.ethernet19:45:120
1331009992317,2cyclictest0-21swapper/019:54:310
1331009992315,4cyclictest0-21swapper/021:50:180
1331009992314,6cyclictest1377053-21cat21:20:180
133100999231,19cyclictest0-21swapper/019:12:540
133100999231,18cyclictest0-21swapper/023:20:100
133100999231,18cyclictest0-21swapper/022:35:170
1331023992216,4cyclictest391ktimers/321:44:063
1331023992216,3cyclictest0-21swapper/321:50:233
1331023992215,3cyclictest0-21swapper/320:50:243
1331023992215,3cyclictest0-21swapper/319:25:003
1331023992214,5cyclictest1436467-21grep00:10:263
1331023992214,5cyclictest0-21swapper/322:20:153
1331023992214,4cyclictest1417919-21idleruntime-cro23:19:593
1331023992212,6cyclictest391ktimers/320:20:003
1331018992214,6cyclictest1379059-21awk21:25:222
1331018992212,7cyclictest1346118-21which19:50:232
133101499222,4cyclictest13913002cat22:00:261
1331014992216,3cyclictest0-21swapper/123:45:241
133100999220,20cyclictest0-21swapper/019:40:120
1331023992115,3cyclictest0-21swapper/319:25:243
1331023992115,3cyclictest0-21swapper/300:30:233
1331023992113,6cyclictest391ktimers/321:05:243
1331023992113,5cyclictest0-21swapper/319:15:273
1331023992112,6cyclictest0-21swapper/319:55:003
133101499212,13cyclictest1390180-21sendmail22:00:001
1331014992115,4cyclictest1392123-21/usr/sbin/munin22:05:211
1331014992115,3cyclictest0-21swapper/123:40:221
1331014992115,3cyclictest0-21swapper/100:30:131
1331014992114,4cyclictest1333473-21/usr/sbin/munin19:15:211
1331014992112,5cyclictest1341298-21grep19:35:261
1331009992114,3cyclictest0-21swapper/021:25:240
133102399209,7cyclictest1389699-21grep21:55:243
1331023992014,3cyclictest0-21swapper/320:00:223
1331023992013,4cyclictest1404599-21ntpq22:40:243
1331023992013,3cyclictest0-21swapper/323:55:233
1331023992013,3cyclictest0-21swapper/320:35:233
1331023992012,5cyclictest0-21swapper/323:50:213
1331023992010,8cyclictest1407574-21expr22:50:143
1331023992010,7cyclictest1363061-21tr20:40:203
133101499202,15cyclictest1379537-21head21:25:241
1331014992014,3cyclictest0-21swapper/123:25:181
1331023991911,5cyclictest391ktimers/320:05:553
1331023991910,6cyclictest0-21swapper/321:25:163
1331023991810,6cyclictest1359663-21wc20:30:203
1331023991710,5cyclictest391ktimers/323:20:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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