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2026-04-05 - 09:22

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 Apr 05, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1777697994919,4cyclictest0-21swapper/300:35:233
1777693994938,8cyclictest1870930-21munin-run23:40:012
1777693994834,10cyclictest311ktimers/222:45:152
1777683994841,4cyclictest1781621-21munin-plugin-st19:20:010
1777697994722,4cyclictest0-21swapper/323:40:253
1777697994721,3cyclictest0-21swapper/323:25:003
1777693994739,4cyclictest1822956-21cron21:20:012
1777688994738,7cyclictest231ktimers/122:30:131
1777683994734,10cyclictest121ktimers/019:20:110
1777693994639,4cyclictest1783347-21munin-plugin-st19:25:002
1777688994234,4cyclictest0-21swapper/123:05:001
1777688994234,4cyclictest0-21swapper/123:05:001
1777683994230,8cyclictest1877959-21auditctl00:00:000
1777697994017,5cyclictest391ktimers/320:30:213
1777688994031,6cyclictest1811030-21sh20:45:001
1777688994029,7cyclictest1841475-21grep22:10:241
1777697993929,6cyclictest0-21swapper/323:15:243
1777693993928,7cyclictest311ktimers/220:00:142
1777693993928,7cyclictest311ktimers/220:00:132
1777693993928,7cyclictest1789678-21grep19:40:242
1777688993931,4cyclictest0-21swapper/121:35:001
1777683993929,6cyclictest1870462-21runrttasks23:35:250
1777683993928,6cyclictest1836359-21grep21:55:250
1777688993829,6cyclictest1831299-21unixbench_singl21:40:241
1777688993829,6cyclictest1831299-21unixbench_singl21:40:241
1777683993830,4cyclictest1816142-21cron21:00:010
1777683993830,4cyclictest0-21swapper/020:05:000
1777683993830,4cyclictest0-21swapper/020:05:000
1777683993826,9cyclictest1841927-21cron22:15:000
1777697993727,6cyclictest0-21swapper/321:15:253
1777688993729,4cyclictest0-21swapper/123:10:151
1777683993728,6cyclictest1839768-21unixbench_multi22:05:250
1777683993723,12cyclictest11-21ksoftirqd/023:00:130
1777683993723,12cyclictest11-21ksoftirqd/023:00:130
1777697993628,4cyclictest0-21swapper/321:10:263
1777697993627,6cyclictest0-21swapper/300:29:593
1777693993625,8cyclictest1804217-21auditctl20:25:012
1777688993628,5cyclictest1809320-21latency_hist20:39:591
1777688993625,7cyclictest1788454-21sendmail19:40:011
1777683993625,8cyclictest1865824-21apt23:25:000
1777693993528,4cyclictest1833424-21munin-plugin-st21:49:592
1777693993526,4cyclictest0-21swapper/223:50:162
1777683993528,4cyclictest1830002-21munin-plugin-st21:40:000
1777683993528,3cyclictest0-21swapper/000:15:160
1777683993528,3cyclictest0-21swapper/000:15:160
1777683993527,4cyclictest0-21swapper/020:40:230
1777683993523,9cyclictest121ktimers/022:35:120
1777683993523,9cyclictest121ktimers/022:35:120
1777697993424,6cyclictest0-21swapper/320:40:243
1777697993423,8cyclictest1843629-21cron22:20:013
1777693993427,4cyclictest0-21swapper/222:50:162
1777693993427,4cyclictest0-21swapper/219:50:242
1777693993426,4cyclictest0-21swapper/223:30:242
1777693993423,6cyclictest0-21swapper/223:20:002
1777688993426,4cyclictest0-21swapper/120:00:001
1777688993426,4cyclictest0-21swapper/120:00:001
1777688993426,4cyclictest0-21swapper/100:25:261
1777688993423,7cyclictest0-21swapper/123:45:261
1777688993422,7cyclictest1850478-21sendmail22:40:001
1777688993422,7cyclictest1850478-21sendmail22:40:001
1777688993421,8cyclictest0-21swapper/121:55:241
1777683993425,4cyclictest1784596-21grep19:25:250
1777683993419,13cyclictest11-21ksoftirqd/021:10:120
1777697993323,6cyclictest0-21swapper/322:50:263
1777697993323,6cyclictest0-21swapper/319:45:003
1777697993323,6cyclictest0-21swapper/319:35:243
1777697993323,6cyclictest0-21swapper/300:05:253
1777693993325,5cyclictest311ktimers/220:30:132
1777693993325,4cyclictest0-21swapper/200:35:232
1777693993324,5cyclictest1812737-21sh20:50:012
1777688993326,4cyclictest1843648-21munin-plugin-st22:20:011
1777688993324,5cyclictest1867525-21auditctl23:30:011
1777683993322,6cyclictest0-21swapper/022:55:240
1777697993225,4cyclictest391ktimers/319:21:293
1777697993222,6cyclictest0-21swapper/300:30:263
1777693993225,4cyclictest0-21swapper/222:25:252
1777688993221,7cyclictest0-21swapper/122:00:161
1777683993225,4cyclictest1807136-21unixbench_multi20:30:260
1777683993224,4cyclictest0-21swapper/019:45:010
1777683993221,6cyclictest0-21swapper/019:15:000
1777697993123,4cyclictest0-21swapper/319:30:013
1777697993123,4cyclictest0-21swapper/300:14:593
1777697993123,4cyclictest0-21swapper/300:14:593
1777697993122,6cyclictest0-21swapper/319:35:013
1777693993122,5cyclictest0-21swapper/223:00:002
1777693993120,7cyclictest1837247-21tune2fs22:00:162
1777688993121,6cyclictest0-21swapper/120:15:011
177768399312,9cyclictest18636162grep23:15:240
1777683993125,4cyclictest1819565-21munin-plugin-st21:10:010
1777683993125,3cyclictest0-21swapper/000:15:000
1777683993125,3cyclictest0-21swapper/000:14:590
177768399312,4cyclictest0-21swapper/000:00:130
1777697993023,4cyclictest0-21swapper/321:55:253
1777697993023,4cyclictest0-21swapper/321:02:413
1777697993022,5cyclictest0-21swapper/320:50:253
1777697993022,4cyclictest0-21swapper/322:10:003
1777697993021,6cyclictest0-21swapper/320:15:253
1777697993020,6cyclictest0-21swapper/321:25:003
1777693993024,3cyclictest0-21swapper/223:09:592
1777693993023,4cyclictest1840240-21munin-run22:10:012
1777693993023,4cyclictest1819562-21cron21:10:012
1777693993021,6cyclictest311ktimers/219:10:112
1777693993021,6cyclictest1886492-21sh00:25:002
1777693993019,7cyclictest1829530-21unixbench_multi21:35:262
1777688993022,4cyclictest0-21swapper/119:10:161
1777688993016,10cyclictest231ktimers/122:40:111
1777683993021,6cyclictest11-21ksoftirqd/021:00:140
1777683993021,5cyclictest1845802-21grep22:25:140
1777683993020,6cyclictest0-21swapper/020:50:000
1777697992922,4cyclictest0-21swapper/323:25:243
1777697992920,6cyclictest0-21swapper/320:15:013
1777697992920,6cyclictest0-21swapper/320:05:003
1777697992920,6cyclictest0-21swapper/320:05:003
1777697992919,6cyclictest0-21swapper/322:10:143
1777697992918,7cyclictest0-21swapper/321:35:013
1777693992922,3cyclictest0-21swapper/220:52:392
1777693992921,4cyclictest0-21swapper/221:20:252
1777693992921,3cyclictest0-21swapper/221:50:152
1777688992922,4cyclictest1793108-21unixbench_multi19:50:241
1777688992922,4cyclictest0-21swapper/123:20:251
1777688992922,4cyclictest0-21swapper/122:25:141
1777688992919,7cyclictest1863672-21grep23:15:251
1777688992918,6cyclictest1856729-21ls22:55:241
1777683992921,4cyclictest0-21swapper/019:55:160
1777683992921,4cyclictest0-21swapper/019:55:150
1777697992821,4cyclictest0-21swapper/322:30:253
1777697992820,4cyclictest0-21swapper/320:45:253
1777697992818,6cyclictest0-21swapper/321:55:013
1777697992818,6cyclictest0-21swapper/319:55:263
1777697992818,6cyclictest0-21swapper/319:55:263
1777693992822,3cyclictest0-21swapper/219:35:012
1777693992821,4cyclictest0-21swapper/200:30:272
1777693992819,6cyclictest0-21swapper/223:45:262
1777693992818,7cyclictest1819964-21fschecks_count21:10:172
1777688992818,7cyclictest1818207-21seq21:05:151
1777688992818,7cyclictest0-21swapper/121:20:011
1777683992819,6cyclictest1887772-21grep00:25:250
1777683992818,8cyclictest1788443-21grep19:40:000
1777697992719,5cyclictest0-21swapper/322:40:243
1777697992719,5cyclictest0-21swapper/300:25:003
1777697992718,6cyclictest0-21swapper/323:50:003
1777697992717,6cyclictest0-21swapper/319:20:003
1777693992720,3cyclictest0-21swapper/221:30:212
1777693992720,3cyclictest0-21swapper/200:10:162
1777693992720,3cyclictest0-21swapper/200:10:152
1777693992719,5cyclictest0-21swapper/223:40:262
1777693992716,7cyclictest0-21swapper/220:40:192
1777688992719,5cyclictest0-21swapper/120:25:271
1777688992719,5cyclictest0-21swapper/120:25:271
1777688992719,4cyclictest0-21swapper/100:05:261
1777688992717,6cyclictest1860272-21grep23:05:261
1777683992720,4cyclictest1851706-21grep22:40:240
1777683992718,5cyclictest0-21swapper/021:30:270
1777683992717,6cyclictest0-21swapper/020:15:020
1777683992716,7cyclictest1791386-21grep19:45:260
1777683992715,8cyclictest1805461-21grep20:25:270
1777683992715,8cyclictest1805461-21grep20:25:260
1777697992619,4cyclictest1790082-21kworker/u8:0+events_unbound20:10:023
1777697992619,4cyclictest0-21swapper/323:40:013
1777697992619,4cyclictest0-21swapper/321:45:243
1777697992618,5cyclictest0-21swapper/321:35:263
1777693992619,4cyclictest0-21swapper/219:25:252
1777693992618,5cyclictest0-21swapper/222:10:232
1777693992618,3cyclictest0-21swapper/200:00:252
1777693992617,4cyclictest0-21swapper/222:37:572
1777693992617,4cyclictest0-21swapper/222:37:572
1777693992613,10cyclictest1877971-21ls23:59:592
1777688992620,4cyclictest1827919-21kworker/u8:0+events_unbound21:47:491
1777688992619,4cyclictest0-21swapper/119:20:241
1777688992619,3cyclictest0-21swapper/121:10:261
1777688992612,11cyclictest231ktimers/122:45:131
1777683992620,4cyclictest1798755-21kworker/u8:2+events_unbound21:22:440
1777683992620,4cyclictest1798755-21kworker/u8:2+events_unbound20:37:380
1777683992619,3cyclictest0-21swapper/023:40:160
1777683992616,5cyclictest0-21swapper/000:30:260
177768399261,22cyclictest1804376-21sed20:25:000
1777697992518,3cyclictest0-21swapper/300:20:003
1777697992518,3cyclictest0-21swapper/300:20:003
1777697992517,5cyclictest0-21swapper/322:45:273
1777697992516,5cyclictest0-21swapper/322:05:013
1777697992516,5cyclictest0-21swapper/319:47:333
1777697992515,6cyclictest0-21swapper/319:10:243
1777693992518,4cyclictest0-21swapper/222:40:172
1777693992517,5cyclictest0-21swapper/221:00:002
1777693992514,7cyclictest1836828-21run-parts22:00:002
1777688992519,3cyclictest0-21swapper/123:40:161
1777688992519,3cyclictest0-21swapper/121:55:001
1777688992519,3cyclictest0-21swapper/120:30:251
1777688992517,5cyclictest1803781-21grep20:20:241
1777688992517,4cyclictest0-21swapper/123:35:241
1777688992517,4cyclictest0-21swapper/120:55:171
1777683992519,4cyclictest11-21ksoftirqd/022:50:120
177768399251,3cyclictest18621522sleep023:12:070
1777683992512,9cyclictest121ktimers/023:25:120
177768399251,14cyclictest0-21swapper/022:31:550
177768399251,11cyclictest1830693-21meminfo21:40:170
177768399251,11cyclictest1830693-21meminfo21:40:170
1777697992417,4cyclictest0-21swapper/320:55:173
1777697992416,4cyclictest0-21swapper/300:00:253
1777697992415,5cyclictest0-21swapper/320:20:253
1777697992413,8cyclictest1793549-21cron19:55:013
1777693992417,4cyclictest1809327-21idleruntime-cro20:40:002
1777693992417,3cyclictest0-21swapper/220:25:172
1777693992417,3cyclictest0-21swapper/220:25:162
1777693992416,6cyclictest1843973-21cpuspeed22:20:132
1777693992415,6cyclictest0-21swapper/222:20:002
1777693992415,6cyclictest0-21swapper/221:00:162
1777693992414,6cyclictest0-21swapper/220:15:012
1777693992414,6cyclictest0-21swapper/220:00:012
1777693992414,6cyclictest0-21swapper/220:00:012
1777688992418,4cyclictest0-21swapper/120:15:241
1777688992418,3cyclictest0-21swapper/121:25:211
1777688992416,5cyclictest1877017-21ntpq23:55:201
1777688992416,4cyclictest0-21swapper/123:30:151
1777688992415,6cyclictest1784667-21seq19:25:431
1777688992414,7cyclictest1824549-21seq21:23:281
1777688992414,7cyclictest1797104-21ls20:05:011
1777688992414,7cyclictest1797104-21ls20:05:011
1777688992414,7cyclictest1786851-21date19:35:001
177768399245,4cyclictest131rcu_preempt19:30:200
177768399242,3cyclictest1801437-21cat20:15:180
177768399242,16cyclictest1876095-21sshd23:53:120
1777683992418,3cyclictest0-21swapper/022:20:160
1777683992417,4cyclictest1793071-21grep19:50:250
1777683992417,3cyclictest0-21swapper/021:29:400
177768399241,19cyclictest0-21swapper/023:46:050
177768399241,19cyclictest0-21swapper/022:16:330
1777697992316,4cyclictest1845801-21fschecks_time22:25:153
1777697992316,4cyclictest1825931-21tail21:25:263
1777697992315,5cyclictest0-21swapper/321:40:243
1777697992315,5cyclictest0-21swapper/321:40:233
1777693992317,3cyclictest0-21swapper/200:05:222
1777693992315,4cyclictest1884797-21sendmail00:19:592
1777693992315,4cyclictest1884797-21sendmail00:19:592
177768899237,4cyclictest131rcu_preempt00:35:081
1777688992315,6cyclictest1791833-21seq19:49:511
1777688992314,6cyclictest1855476-21seq22:53:541
1777688992314,5cyclictest1845430-21sed22:25:001
1777688992312,7cyclictest1889445-21grep00:30:271
1777688992310,11cyclictest1798886-21apt20:10:011
177768399236,12cyclictest1822965-21apt21:20:000
1777683992318,3cyclictest13550irq/42-30be0000.ethernet20:05:200
1777683992317,3cyclictest0-21swapper/021:50:160
177768399231,4cyclictest0-21swapper/000:20:050
177768399231,18cyclictest0-21swapper/022:47:130
177768399230,19cyclictest0-21swapper/023:06:010
1777697992212,7cyclictest1844887-21grep22:20:253
1777697992211,8cyclictest1868261-21sed23:30:203
1777693992216,3cyclictest645-21runrttasks00:25:202
1777693992215,5cyclictest311ktimers/220:15:232
1777693992215,5cyclictest1779094-21kworker/u8:3+events_unbound20:05:522
1777693992215,4cyclictest1830971-21sendmail_mailtr21:40:232
1777693992215,4cyclictest1830971-21sendmail_mailtr21:40:232
1777693992215,3cyclictest0-21swapper/219:15:162
1777693992214,5cyclictest438-21cron23:05:002
1777693992214,5cyclictest438-21cron23:04:592
1777688992217,3cyclictest1816908-21grep21:00:211
1777688992216,4cyclictest0-21swapper/121:35:141
1777688992214,4cyclictest0-21swapper/100:15:171
1777688992214,4cyclictest0-21swapper/100:15:161
177768399222,3cyclictest1890128-21apt-get00:35:110
177768399221,7cyclictest1867812-21/usr/sbin/munin23:30:130
177768399221,19cyclictest0-21swapper/021:48:210
1777697992115,3cyclictest0-21swapper/323:10:253
1777697992115,3cyclictest0-21swapper/320:27:363
1777697992115,3cyclictest0-21swapper/320:27:353
1777697992113,5cyclictest391ktimers/320:35:163
1777697992112,6cyclictest0-21swapper/323:00:173
1777697992112,6cyclictest0-21swapper/323:00:163
177769799211,15cyclictest1876260-21awk23:55:003
177769399219,9cyclictest1825197-21if_err_eth121:25:172
1777693992115,3cyclictest0-21swapper/223:10:172
1777693992114,4cyclictest1865815-21cron23:25:012
1777693992114,4cyclictest1788441-21cron19:40:012
1777688992115,4cyclictest231ktimers/100:20:171
1777688992115,3cyclictest0-21swapper/119:45:021
177768399211,18cyclictest0-21swapper/000:07:380
1777697992014,3cyclictest0-21swapper/322:55:193
1777697992013,3cyclictest1859418-21fschecks_time23:05:183
177768899206,7cyclictest6250watchdogd23:52:111
1777688992012,4cyclictest0-21swapper/120:45:171
177768899201,14cyclictest1838930-21cut22:05:161
1777697991910,6cyclictest0-21swapper/323:55:173
1777693991912,5cyclictest311ktimers/219:45:132
1777693991811,5cyclictest311ktimers/222:30:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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