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2026-09-22 - 09:07

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 Tue Sep 22, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1553120995928,26cyclictest0-21swapper/300:05:243
1553111995239,8cyclictest1579208-21grep20:20:251
1553111995039,7cyclictest1584352-21grep20:35:251
1553116994922,22cyclictest0-21swapper/220:20:012
1553116994735,8cyclictest1629334-21sh22:50:002
1553116994615,28cyclictest0-21swapper/222:40:232
1553107994638,4cyclictest1562173-21idleruntime-cro19:35:010
155311699439,7cyclictest1663512-21seq00:25:372
1553116994320,19cyclictest0-21swapper/200:30:282
1553116994319,20cyclictest0-21swapper/200:19:592
1553107994330,8cyclictest1599702-21grep21:20:250
1553107994329,10cyclictest121ktimers/023:35:110
1553120994131,6cyclictest1599696-21unixbench_singl21:20:253
155311699411,9cyclictest1571491-21/usr/sbin/munin20:00:202
1553116994111,4cyclictest0-21swapper/219:20:192
1553111994131,7cyclictest1557042-21sh19:20:011
1553111994129,8cyclictest1605441-21sh21:40:001
1553111994126,11cyclictest231ktimers/119:55:111
155310799410,37cyclictest0-21swapper/022:05:110
155311699409,4cyclictest1588768-21kernelversion20:50:172
1553116994015,22cyclictest0-21swapper/219:30:242
1553116994014,8cyclictest1617803-21grep22:15:162
1553116993920,16cyclictest0-21swapper/219:25:262
1553116993914,22cyclictest0-21swapper/223:10:152
1553116993912,6cyclictest1635529-21sed23:05:262
1553116993912,6cyclictest1635529-21sed23:05:262
1553111993929,5cyclictest0-21swapper/120:47:151
1553111993929,4cyclictest0-21swapper/123:00:151
1553120993828,6cyclictest0-21swapper/322:10:263
1553120993827,7cyclictest0-21swapper/323:10:253
1553120993826,8cyclictest0-21swapper/323:00:003
155311699389,4cyclictest0-21swapper/222:40:002
1553116993830,4cyclictest0-21swapper/221:05:162
1553116993828,6cyclictest0-21swapper/223:50:272
1553116993828,6cyclictest0-21swapper/220:00:012
1553116993826,8cyclictest0-21swapper/222:00:012
1553116993818,17cyclictest0-21swapper/219:50:002
1553116993813,3cyclictest0-21swapper/219:15:232
155311699381,11cyclictest1569210-21munin-run19:55:012
155311699381,10cyclictest1579649-21cron20:25:012
1553111993826,9cyclictest231ktimers/123:20:141
1553111993826,9cyclictest231ktimers/123:20:131
1553116993727,6cyclictest0-21swapper/221:30:012
1553116993727,6cyclictest0-21swapper/221:30:002
1553116993714,19cyclictest0-21swapper/222:25:172
1553116993712,5cyclictest311ktimers/221:40:172
1553116993711,3cyclictest0-21swapper/223:00:012
155311699371,11cyclictest1597953-21tail21:15:252
1553111993725,9cyclictest1667335-21munin-plugin-st00:40:011
1553107993729,5cyclictest1660457-21cron00:20:000
1553120993629,4cyclictest1660482-21idleruntime-cro00:19:593
1553120993628,4cyclictest1610569-21kthreadd21:55:013
1553120993628,4cyclictest0-21swapper/300:37:463
1553120993626,6cyclictest1641290-21apt23:24:593
1553120993626,6cyclictest1641290-21apt23:24:593
155311699368,5cyclictest0-21swapper/223:40:002
1553116993626,6cyclictest0-21swapper/221:50:242
1553116993612,5cyclictest1661143-21cat00:20:192
1553116993612,5cyclictest1661143-21cat00:20:182
1553116993612,3cyclictest16470692sleep223:40:122
1553116993612,3cyclictest0-21swapper/220:30:002
1553116993612,3cyclictest0-21swapper/220:30:002
1553111993627,5cyclictest0-21swapper/120:00:201
1553107993625,7cyclictest1616148-21tune2fs22:10:180
1553120993526,5cyclictest0-21swapper/300:34:593
1553116993525,7cyclictest1658344-21grep00:10:262
1553116993525,6cyclictest0-21swapper/220:30:262
1553116993512,4cyclictest1666486-21processes00:35:222
1553116993510,5cyclictest311ktimers/220:40:232
1553107993524,7cyclictest1637387-21grep23:10:250
1553120993427,4cyclictest1605447-21latency_hist21:39:593
1553120993426,4cyclictest1574996-21runrttasks20:10:173
1553120993426,4cyclictest0-21swapper/323:55:013
1553120993424,6cyclictest0-21swapper/322:35:243
1553116993424,6cyclictest0-21swapper/222:55:012
1553116993423,6cyclictest0-21swapper/223:30:002
1553116993423,6cyclictest0-21swapper/223:30:002
1553116993411,5cyclictest311ktimers/220:35:192
155311699341,11cyclictest1641283-21cron23:25:002
155311699341,11cyclictest1641283-21cron23:25:002
1553111993428,4cyclictest1615676-21kworker/u8:1+events_unbound22:22:331
1553111993427,4cyclictest1663882-21sh00:29:591
1553111993425,5cyclictest0-21swapper/122:45:261
1553111993425,4cyclictest0-21swapper/123:45:161
1553111993423,8cyclictest231ktimers/121:20:131
1553111993422,7cyclictest0-21swapper/123:30:251
1553111993422,7cyclictest0-21swapper/121:25:241
1553111993422,7cyclictest0-21swapper/121:25:241
1553107993426,4cyclictest0-21swapper/020:35:010
1553120993325,5cyclictest1591998-21fschecks_count21:00:183
1553120993324,6cyclictest1594998-21cron21:10:013
1553120993324,5cyclictest0-21swapper/323:30:173
1553120993324,5cyclictest0-21swapper/323:00:233
1553120993324,4cyclictest0-21swapper/321:30:203
1553120993323,6cyclictest0-21swapper/320:45:253
1553116993325,4cyclictest0-21swapper/219:40:012
1553116993325,4cyclictest0-21swapper/219:40:012
1553116993311,4cyclictest311ktimers/222:10:142
155311699331,11cyclictest1596699-21cron21:15:012
1553116993310,3cyclictest0-21swapper/200:00:182
1553111993327,4cyclictest1586194-21kworker/u8:1+events_unbound21:07:361
1553111993324,4cyclictest0-21swapper/123:10:151
1553111993323,5cyclictest0-21swapper/123:20:001
1553111993319,8cyclictest1660059-21grep00:15:271
1553120993224,5cyclictest0-21swapper/319:55:143
1553120993223,6cyclictest0-21swapper/323:45:003
1553120993222,7cyclictest0-21swapper/319:45:003
1553120993222,7cyclictest0-21swapper/319:45:003
1553120993222,6cyclictest0-21swapper/323:50:003
1553116993226,3cyclictest0-21swapper/200:00:002
1553116993225,4cyclictest0-21swapper/220:05:172
1553116993225,3cyclictest0-21swapper/222:05:252
155311699321,9cyclictest1639564-21cron23:20:002
1553111993224,4cyclictest0-21swapper/120:05:181
1553111993222,6cyclictest0-21swapper/100:20:251
1553111993222,6cyclictest0-21swapper/100:20:251
1553111993220,8cyclictest1646634-21basename23:39:591
1553107993220,8cyclictest1556571-21grep19:15:250
1553120993122,6cyclictest0-21swapper/320:40:263
1553120993122,6cyclictest0-21swapper/319:35:273
1553120993122,6cyclictest0-21swapper/319:35:263
1553120993122,5cyclictest1558764-21kthreadd19:25:003
1553120993118,8cyclictest1555006-21latency_hist19:15:013
1553116993123,5cyclictest0-21swapper/222:20:242
1553116993123,4cyclictest0-21swapper/221:37:262
155311699311,9cyclictest1613981-21cron22:05:012
1553111993122,7cyclictest1570592-21kworker/u8:0+events_unbound20:25:171
1553111993122,7cyclictest1570592-21kworker/u8:0+events_unbound20:25:171
1553111993119,7cyclictest0-21swapper/119:27:031
1553107993124,3cyclictest0-21swapper/022:40:260
1553107993123,4cyclictest0-21swapper/023:50:000
1553107993123,4cyclictest0-21swapper/000:20:260
1553107993123,4cyclictest0-21swapper/000:20:250
1553107993123,4cyclictest0-21swapper/000:10:260
1553107993123,4cyclictest0-21swapper/000:10:000
1553120993021,6cyclictest0-21swapper/300:00:013
1553120993021,5cyclictest0-21swapper/320:05:003
1553116993021,5cyclictest0-21swapper/219:45:002
1553116993021,5cyclictest0-21swapper/219:45:002
1553116993012,3cyclictest0-21swapper/223:50:002
1553111993023,3cyclictest0-21swapper/121:10:261
1553111993020,6cyclictest1642993-21sh23:30:001
1553111993020,6cyclictest1642993-21sh23:29:591
1553107993024,3cyclictest0-21swapper/020:10:010
1553107993022,5cyclictest0-21swapper/023:05:000
1553107993022,4cyclictest0-21swapper/022:55:000
1553107993022,4cyclictest0-21swapper/019:50:240
1553107993021,6cyclictest1584778-21sendmail20:40:010
1553107993021,4cyclictest0-21swapper/019:12:000
1553107993020,6cyclictest0-21swapper/022:25:110
1553120992922,4cyclictest1617806-21fschecks_time22:15:173
1553120992919,7cyclictest1560063-21unixbench_singl19:25:273
1553120992917,8cyclictest1646628-21tr23:39:593
1553111992919,7cyclictest438-21cron23:00:001
1553111992919,7cyclictest1577955-21sendmail20:20:001
1553111992918,7cyclictest0-21swapper/123:45:011
1553111992917,7cyclictest0-21swapper/121:50:241
1553120992821,4cyclictest0-21swapper/320:30:273
1553120992820,4cyclictest0-21swapper/321:10:263
1553120992819,6cyclictest1654937-21grep00:00:273
1553120992819,5cyclictest0-21swapper/321:45:263
1553120992818,6cyclictest0-21swapper/320:20:013
1553116992819,6cyclictest0-21swapper/221:25:002
1553111992822,4cyclictest1665311-21kworker/u8:1+events_unbound00:32:491
1553111992820,5cyclictest1567511-21idleruntime-cro19:50:001
1553111992819,4cyclictest0-21swapper/122:30:291
1553111992816,7cyclictest0-21swapper/123:50:271
155310799282,22cyclictest1623780-21grep22:30:280
1553107992817,6cyclictest0-21swapper/021:40:160
1553120992721,3cyclictest0-21swapper/320:55:003
1553120992720,4cyclictest1636182-21idleruntime-cro23:10:013
1553120992720,4cyclictest1636182-21idleruntime-cro23:10:003
1553120992718,6cyclictest1611427-21ps21:55:253
1553120992718,6cyclictest0-21swapper/320:20:203
1553120992717,6cyclictest0-21swapper/320:40:013
1553116992715,8cyclictest0-21swapper/200:07:452
1553111992719,5cyclictest1591160-21unixbench_singl20:55:261
1553111992718,4cyclictest0-21swapper/121:17:201
1553111992714,8cyclictest1-21systemd21:47:271
1553107992720,3cyclictest1591585-21kthreadd21:00:010
1553107992719,5cyclictest0-21swapper/022:00:260
1553107992719,4cyclictest0-21swapper/000:40:000
1553107992718,6cyclictest1639162-21grep23:15:250
1553107992717,6cyclictest1663411-21grep00:25:250
1553107992717,6cyclictest0-21swapper/019:40:000
1553107992717,6cyclictest0-21swapper/019:40:000
155312099263,8cyclictest16013822grep21:25:243
155312099263,8cyclictest16013822grep21:25:243
1553120992619,4cyclictest0-21swapper/322:05:253
1553120992618,5cyclictest0-21swapper/321:20:003
1553120992617,6cyclictest1630513-21cat22:50:253
1553120992617,5cyclictest0-21swapper/322:40:243
1553120992616,6cyclictest0-21swapper/322:45:273
1553116992620,3cyclictest0-21swapper/221:30:252
1553111992611,10cyclictest204-21dbus-daemon22:12:311
155310799265,7cyclictest1625081-21processes22:35:220
1553107992618,5cyclictest0-21swapper/022:00:000
1553107992617,6cyclictest1635765-21grep23:05:280
1553107992617,6cyclictest1635765-21grep23:05:280
155310799261,6cyclictest16422142wc23:25:240
155310799261,6cyclictest16422142wc23:25:230
1553107992616,6cyclictest1567082-21grep19:45:260
155310799261,10cyclictest1570908-21sendmail20:00:000
1553120992519,3cyclictest0-21swapper/300:25:233
1553120992517,5cyclictest0-21swapper/320:25:253
1553120992517,5cyclictest0-21swapper/320:25:253
1553120992517,4cyclictest0-21swapper/322:25:153
1553120992516,5cyclictest0-21swapper/323:25:173
1553120992516,5cyclictest0-21swapper/323:25:163
1553120992516,5cyclictest0-21swapper/319:45:213
1553120992513,9cyclictest1639581-21grep23:20:013
1553116992519,3cyclictest1574993-21fschecks_time20:10:162
1553111992518,5cyclictest1605133-21kworker/u8:0+events_unbound21:40:231
1553111992518,4cyclictest1560693-21kworker/u8:0+events_unbound19:30:191
1553111992517,6cyclictest1556970-21kworker/u8:1+events_unbound19:52:081
1553111992517,6cyclictest1556970-21kworker/u8:1+events_unbound19:20:251
1553111992517,4cyclictest0-21swapper/121:30:301
1553111992516,4cyclictest0-21swapper/120:30:261
1553111992515,6cyclictest0-21swapper/122:40:161
155310799253,18cyclictest1587319-1kworker/0:2H+kblockd22:20:100
155310799253,18cyclictest0-21swapper/021:00:450
1553107992518,5cyclictest121ktimers/021:30:160
1553107992518,4cyclictest0-21swapper/021:10:240
1553107992517,5cyclictest0-21swapper/019:45:010
1553107992517,5cyclictest0-21swapper/019:45:000
1553107992517,4cyclictest0-21swapper/020:45:240
155310799251,20cyclictest0-21swapper/023:57:330
155310799251,20cyclictest0-21swapper/000:31:500
1553120992417,5cyclictest208-21systemd-logind20:56:403
1553120992416,5cyclictest0-21swapper/322:30:283
1553116992416,4cyclictest1554737-21auditctl19:15:012
1553116992416,4cyclictest0-21swapper/221:45:252
155311199245,2cyclictest0-21swapper/119:42:091
155311199245,2cyclictest0-21swapper/119:42:091
1553111992418,4cyclictest231ktimers/100:05:101
1553111992416,4cyclictest0-21swapper/121:00:171
1553111992414,7cyclictest0-21swapper/120:50:181
1553111992413,7cyclictest1615276-21grep22:05:261
155310799243,18cyclictest1648553-21idleruntime-cro23:45:000
1553107992415,6cyclictest15936162sleep021:05:140
1553107992414,7cyclictest1574743-21gdbus20:10:030
155310799241,21cyclictest0-21swapper/000:02:010
155310799241,19cyclictest0-21swapper/023:53:120
155310799241,19cyclictest0-21swapper/023:21:000
155310799241,19cyclictest0-21swapper/023:21:000
155310799241,19cyclictest0-21swapper/021:46:020
155310799241,19cyclictest0-21swapper/021:38:010
155310799240,20cyclictest0-21swapper/023:30:330
1553120992316,4cyclictest0-21swapper/319:50:213
1553120992316,4cyclictest0-21swapper/300:20:243
1553120992316,4cyclictest0-21swapper/300:20:243
1553120992315,5cyclictest0-21swapper/321:40:153
1553120992315,5cyclictest0-21swapper/319:30:273
1553116992315,5cyclictest0-21swapper/222:30:292
1553116992315,4cyclictest0-21swapper/220:55:162
1553111992317,3cyclictest0-21swapper/123:55:221
1553111992315,4cyclictest0-21swapper/121:55:261
1553111992315,3cyclictest1554931-21latency_hist19:15:011
1553111992312,7cyclictest1-21systemd22:52:341
1553107992316,3cyclictest0-21swapper/021:50:250
1553107992315,4cyclictest0-21swapper/021:20:000
1553107992312,8cyclictest1576613-21cut20:15:160
155310799231,19cyclictest16180662chrt22:15:200
155310799230,19cyclictest0-21swapper/020:54:520
1553120992216,4cyclictest208-21systemd-logind22:24:413
1553120992214,5cyclictest0-21swapper/320:05:273
1553120992213,5cyclictest0-21swapper/322:00:263
1553120992213,5cyclictest0-21swapper/319:15:253
1553116992216,3cyclictest1644908-21sh23:34:592
1553111992217,3cyclictest1626037-21latency_hist22:40:011
1553111992214,5cyclictest0-21swapper/120:10:161
1553111992214,4cyclictest0-21swapper/120:40:251
1553111992213,6cyclictest1619080-21cron22:20:001
1553111992213,6cyclictest1613575-21grep22:00:261
155310799221,5cyclictest1585744-21mailstats20:40:240
1553107992215,4cyclictest121ktimers/022:55:260
1553107992214,5cyclictest0-21swapper/019:20:180
155310799221,3cyclictest0-21swapper/022:48:250
155310799221,17cyclictest0-21swapper/019:27:410
155310799220,20cyclictest0-21swapper/020:04:210
155310799220,18cyclictest0-21swapper/021:26:250
155310799220,18cyclictest0-21swapper/021:26:240
1553116992114,4cyclictest1587067-21kernelversion20:45:192
1553116992114,3cyclictest0-21swapper/221:00:122
1553111992115,4cyclictest1615676-21kworker/u8:1+events_unbound22:29:401
1553111992115,3cyclictest0-21swapper/100:05:001
1553111992110,8cyclictest1635775-21users23:05:291
1553111992110,8cyclictest1635775-21users23:05:281
155310799210,3cyclictest0-21swapper/020:25:280
155310799210,3cyclictest0-21swapper/020:25:270
1553120992011,6cyclictest1657386-21/usr/sbin/munin00:10:153
155311699209,8cyclictest1633193-21fschecks_time23:00:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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