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2025-12-28 - 06:47

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 highest latencies:
System rackbslot5s.osadl.org (updated Sun Dec 28, 2025 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1998472996250,7cyclictest2019683-21idleruntime-cro20:10:001
1998477994834,11cyclictest311ktimers/222:30:122
1998472994737,6cyclictest2023105-21sendmail20:20:011
1998472994735,8cyclictest231ktimers/123:45:141
1998472994639,4cyclictest2073021-21kworker/u8:1+events_unbound22:47:591
1998472994639,4cyclictest2073021-21kworker/u8:1+events_unbound22:47:591
1998472994534,7cyclictest2036325-21grep20:55:261
1998472994438,4cyclictest2039932-21kworker/u8:2+events_unbound21:07:511
1998472994335,4cyclictest2064450-21cron22:20:001
1998480994233,6cyclictest2031195-21unixbench_singl20:40:253
1998472994231,7cyclictest2066156-21cron22:25:011
1998468994234,4cyclictest0-21swapper/020:35:010
1998468994232,7cyclictest2112792-21grep00:35:270
1998468994232,6cyclictest2078560-21wc22:59:590
1998468994232,6cyclictest2078560-21wc22:59:590
1998480994133,4cyclictest2021374-21cron20:15:003
1998472994129,9cyclictest231ktimers/122:55:141
1998472994129,9cyclictest231ktimers/122:55:141
1998472994125,11cyclictest2088730-21grep23:25:291
1998468994135,3cyclictest645-21runrttasks22:05:140
1998468994130,7cyclictest2036299-21grep20:55:270
1998480994029,6cyclictest0-21swapper/322:35:263
1998480994029,6cyclictest0-21swapper/322:35:263
1998477993933,4cyclictest2009446-21munin-run19:40:012
1998477993929,7cyclictest2099611-21apt00:00:012
1998472993932,5cyclictest2065910-21kworker/u8:1+events_unbound22:27:561
1998472993932,5cyclictest2053643-21kworker/u8:0+events_unbound21:47:521
1998472993932,5cyclictest2015928-21kworker/u8:0+events_unbound19:56:411
1998480993828,6cyclictest0-21swapper/321:05:253
1998477993828,7cyclictest311ktimers/200:00:112
1998468993832,3cyclictest0-21swapper/022:20:010
1998480993728,6cyclictest0-21swapper/319:20:263
1998480993727,6cyclictest0-21swapper/300:20:243
1998472993726,7cyclictest2076342-21grep22:50:271
1998468993726,7cyclictest2109862-21idleruntime-cro00:30:010
1998480993630,3cyclictest2057436-21idleruntime-cro22:00:003
1998480993626,6cyclictest0-21swapper/320:25:283
1998477993626,7cyclictest311ktimers/220:00:162
1998472993630,4cyclictest2099366-21kworker/u8:1+events_unbound00:03:091
1998472993625,7cyclictest2104312-21grep00:10:261
1998468993626,6cyclictest2076363-21grep22:50:280
1998480993528,4cyclictest2014553-21cron19:55:013
1998480993526,7cyclictest2015834-21unixbench_singl19:55:273
1998480993525,6cyclictest0-21swapper/322:55:003
1998480993525,6cyclictest0-21swapper/322:05:273
1998477993526,7cyclictest311ktimers/222:05:142
1998477993525,7cyclictest311ktimers/222:50:142
1998477993521,10cyclictest311ktimers/220:35:132
1998472993529,4cyclictest2075053-21kworker/u8:2+events_unbound23:18:021
1998472993525,5cyclictest0-21swapper/121:25:161
1998472993524,7cyclictest2007280-21grep19:30:251
1998472993523,8cyclictest0-21swapper/123:55:261
1998472993522,9cyclictest231ktimers/120:20:141
1998468993529,3cyclictest2085554-21cron23:20:000
1998480993427,4cyclictest2006044-21munin-plugin-st19:30:013
1998480993425,6cyclictest2055263-21unixbench_multi21:50:283
1998480993423,7cyclictest0-21swapper/323:15:263
1998480993423,6cyclictest0-21swapper/319:15:023
1998477993426,4cyclictest0-21swapper/222:25:272
1998477993426,4cyclictest0-21swapper/221:02:482
1998472993421,9cyclictest2094087-21grep23:40:251
1998468993426,4cyclictest0-21swapper/020:05:290
1998480993322,7cyclictest0-21swapper/320:35:173
199848099331,12cyclictest20833162wc23:10:243
1998472993320,8cyclictest0-21swapper/119:40:271
199847299330,19cyclictest2032306-21/usr/sbin/munin20:45:211
1998468993325,4cyclictest0-21swapper/019:35:000
1998468993322,6cyclictest2080034-21grep23:00:240
1998468993322,6cyclictest0-21swapper/020:05:010
1998480993222,6cyclictest0-21swapper/322:20:293
1998480993221,7cyclictest0-21swapper/300:15:243
1998477993225,4cyclictest0-21swapper/200:40:002
1998477993225,3cyclictest0-21swapper/221:55:182
1998477993222,6cyclictest0-21swapper/223:35:242
1998472993224,4cyclictest0-21swapper/122:00:301
1998472993223,5cyclictest0-21swapper/121:55:271
1998472993220,8cyclictest0-21swapper/123:10:231
1998472993220,7cyclictest0-21swapper/119:50:261
1998468993224,4cyclictest0-21swapper/023:45:270
1998468993224,4cyclictest0-21swapper/021:20:010
1998468993222,6cyclictest2022611-21grep20:15:260
1998480993124,3cyclictest0-21swapper/300:25:263
1998480993123,4cyclictest0-21swapper/320:45:173
1998480993123,4cyclictest0-21swapper/320:05:293
1998480993123,4cyclictest0-21swapper/319:15:173
1998480993123,4cyclictest0-21swapper/300:35:273
1998480993122,6cyclictest2096654-21fschecks_time23:50:143
1998480993122,6cyclictest0-21swapper/323:35:263
1998480993121,6cyclictest2036266-21unixbench_multi20:55:273
1998480993121,6cyclictest0-21swapper/322:00:293
1998480993121,6cyclictest0-21swapper/321:00:263
1998477993124,4cyclictest2042236-21seq21:15:152
1998477993124,3cyclictest0-21swapper/220:20:012
1998477993123,4cyclictest0-21swapper/222:20:012
1998477993122,6cyclictest0-21swapper/222:45:012
1998477993122,6cyclictest0-21swapper/222:45:012
1998477993121,6cyclictest0-21swapper/219:45:282
1998477993120,7cyclictest0-21swapper/219:15:272
1998477993119,8cyclictest2087057-21grep23:20:252
1998472993123,4cyclictest0-21swapper/122:30:161
1998472993121,5cyclictest0-21swapper/119:50:021
1998468993124,4cyclictest2033333-21idleruntime-cro20:50:010
1998468993123,4cyclictest0-21swapper/000:00:260
1998480993020,6cyclictest0-21swapper/322:20:013
1998480993020,6cyclictest0-21swapper/321:20:293
1998480993020,6cyclictest0-21swapper/319:40:273
1998480993020,6cyclictest0-21swapper/319:40:013
1998477993024,4cyclictest2084757-21sendmail-mta23:15:242
1998477993022,4cyclictest0-21swapper/219:55:002
1998477993020,6cyclictest0-21swapper/221:20:292
1998477993019,3cyclictest131rcu_preempt23:40:132
1998472993023,5cyclictest2002187-21kworker/u8:2+events_unbound19:18:421
1998472993020,7cyclictest2048468-21grep21:30:261
1998472993018,9cyclictest2071472-21cron22:40:001
1998472993018,9cyclictest2071472-21cron22:39:591
1998468993020,5cyclictest0-21swapper/023:50:230
1998468993019,7cyclictest2025795-21/usr/sbin/munin20:25:270
1998468993018,8cyclictest2016295-21basename20:00:010
1998480992921,5cyclictest0-21swapper/320:20:003
1998480992919,5cyclictest0-21swapper/323:05:163
1998480992918,6cyclictest0-21swapper/323:23:003
199847799298,9cyclictest131rcu_preempt21:10:132
1998477992920,7cyclictest2052678-21fschecks_count21:45:172
199847299296,4cyclictest131rcu_preempt20:10:141
1998472992917,8cyclictest2090454-21grep23:30:261
1998472992913,7cyclictest2108125-21kworker/u8:1+events_unbound00:26:381
1998468992922,5cyclictest2073021-21kworker/u8:1+events_unbound22:43:000
1998468992922,5cyclictest2073021-21kworker/u8:1+events_unbound22:42:590
1998468992921,4cyclictest0-21swapper/019:45:270
1998468992921,3cyclictest0-21swapper/000:30:260
1998468992920,6cyclictest0-21swapper/020:10:260
1998468992919,6cyclictest2045888-21wc21:25:190
1998480992821,4cyclictest0-21swapper/322:40:273
1998480992821,4cyclictest0-21swapper/322:40:263
1998480992820,5cyclictest0-21swapper/320:25:013
1998480992820,4cyclictest0-21swapper/323:55:163
1998480992820,4cyclictest0-21swapper/320:50:173
1998480992819,6cyclictest0-21swapper/322:59:593
1998480992819,6cyclictest0-21swapper/322:59:593
1998480992818,6cyclictest0-21swapper/321:30:003
1998480992817,7cyclictest0-21swapper/322:45:243
1998480992817,7cyclictest0-21swapper/322:45:233
1998477992820,5cyclictest0-21swapper/223:45:282
1998477992820,5cyclictest0-21swapper/219:25:002
1998477992819,7cyclictest2004779-21fschecks_time19:25:152
1998477992819,6cyclictest2047576-21grep21:30:172
1998477992816,7cyclictest0-21swapper/223:00:002
1998477992816,7cyclictest0-21swapper/223:00:002
1998472992821,5cyclictest2080071-21kworker/u8:0+events_unbound23:05:011
1998472992819,5cyclictest0-21swapper/120:00:191
1998472992818,6cyclictest0-21swapper/100:20:011
199847299280,5cyclictest2092915-21grep23:40:011
1998468992821,4cyclictest2002820-21grep19:20:180
1998468992821,4cyclictest0-21swapper/023:05:130
199846899282,10cyclictest2088703-21unixbench_multi23:25:290
1998480992720,3cyclictest0-21swapper/320:30:293
1998480992718,6cyclictest0-21swapper/320:00:293
1998480992717,6cyclictest2042239-21grep21:15:163
1998480992717,6cyclictest0-21swapper/321:40:003
1998477992720,4cyclictest0-21swapper/223:00:232
1998477992720,4cyclictest0-21swapper/221:25:272
1998477992719,4cyclictest0-21swapper/219:10:282
1998477992718,6cyclictest0-21swapper/220:40:262
1998477992717,7cyclictest2106449-21cat00:20:012
1998472992716,7cyclictest2061042-21apt-key22:10:011
1998472992714,9cyclictest2026037-21grep20:25:271
1998472992710,5cyclictest131rcu_preempt20:50:131
1998468992722,3cyclictest2031195-21unixbench_singl20:40:250
1998468992721,4cyclictest2069577-21kworker/u8:3+events_unbound22:37:570
1998468992721,4cyclictest2069577-21kworker/u8:3+events_unbound22:37:570
1998468992720,3cyclictest0-21swapper/023:30:170
1998468992719,5cyclictest0-21swapper/023:40:010
1998468992717,7cyclictest438-21cron22:50:000
1998468992717,7cyclictest438-21cron22:50:000
1998468992717,7cyclictest2102598-21grep00:05:280
1998468992716,6cyclictest2067442-21grep22:25:260
1998480992618,4cyclictest0-21swapper/322:25:253
1998480992617,6cyclictest0-21swapper/323:35:003
1998480992617,6cyclictest0-21swapper/300:35:003
1998480992616,6cyclictest0-21swapper/323:45:283
1998477992619,4cyclictest0-21swapper/222:00:272
1998477992617,6cyclictest2059021-21kworker/u8:0+events_unbound22:12:552
1998477992616,6cyclictest2051821-21grep21:40:242
1998477992613,9cyclictest2024338-21grep20:20:262
1998472992618,6cyclictest2026600-21kworker/u8:2+events_unbound20:37:371
1998472992617,6cyclictest2055025-21sort21:50:261
1998468992622,2cyclictest13850irq/36-mmc119:25:130
1998468992616,6cyclictest2048423-21tail21:30:250
199846899261,22cyclictest0-21swapper/022:00:140
1998480992517,4cyclictest0-21swapper/300:00:173
1998480992516,6cyclictest2062269-21unixbench_multi22:10:263
1998477992518,4cyclictest0-21swapper/223:30:222
1998477992516,7cyclictest2039687-21unixbench_multi21:05:262
1998477992516,6cyclictest20255942sleep220:25:242
1998477992516,5cyclictest2097449-21grep23:50:242
1998477992516,5cyclictest2050579-21cron21:40:012
1998477992513,9cyclictest2109226-21date00:25:252
199847299258,10cyclictest24-21ksoftirqd/120:30:171
199847299257,10cyclictest24-21ksoftirqd/122:40:191
199847299257,10cyclictest24-21ksoftirqd/122:40:181
199847299251,8cyclictest21082192date00:25:011
1998472992518,5cyclictest2080071-21kworker/u8:0+events_unbound23:05:151
1998472992518,4cyclictest2103045-21idleruntime-cro00:10:001
1998472992518,4cyclictest0-21swapper/120:40:261
1998472992517,4cyclictest0-21swapper/123:25:011
1998472992515,6cyclictest0-21swapper/121:15:161
1998472992514,6cyclictest2041848-21sh21:15:011
1998468992519,4cyclictest1999761-21kworker/u8:0+events_unbound19:37:400
1998468992519,3cyclictest0-21swapper/023:13:000
1998468992518,4cyclictest13850irq/36-mmc100:20:000
1998468992518,3cyclictest0-21swapper/021:35:230
1998468992518,3cyclictest0-21swapper/021:05:240
1998480992417,4cyclictest2046915-21kworker/u8:1+events_unbound21:32:513
1998480992414,6cyclictest0-21swapper/322:30:253
1998480992414,6cyclictest0-21swapper/319:30:263
1998477992418,3cyclictest0-21swapper/220:10:182
1998477992416,5cyclictest0-21swapper/223:05:152
1998477992416,4cyclictest2083415-21grep23:10:242
1998477992415,6cyclictest0-21swapper/220:05:222
1998477992413,8cyclictest204-21dbus-daemon22:47:582
1998477992413,8cyclictest204-21dbus-daemon22:47:572
199847799241,19cyclictest2054245-21taskset21:50:152
1998472992418,4cyclictest2039932-21kworker/u8:2+events_unbound21:24:451
1998472992417,5cyclictest1993002-21kworker/u8:1+events_unbound19:13:531
1998472992417,4cyclictest487-21sendmail-mta00:35:231
1998472992417,4cyclictest2037676-21mailstats21:00:231
1998472992414,5cyclictest2004135-21munin-plugin-st19:25:011
1998472992413,6cyclictest2062283-21grep22:10:261
1998468992420,2cyclictest13850irq/36-mmc121:20:160
1998468992418,3cyclictest0-21swapper/000:13:090
1998468992412,9cyclictest2038459-21idleruntime-cro21:05:010
199846899241,19cyclictest0-21swapper/023:24:340
1998480992315,5cyclictest0-21swapper/323:40:263
1998480992315,5cyclictest0-21swapper/319:45:183
1998480992312,7cyclictest0-21swapper/321:10:153
1998477992317,3cyclictest2104288-21unixbench_multi00:10:262
1998477992315,5cyclictest0-21swapper/200:30:202
199847299236,9cyclictest24-21ksoftirqd/121:35:191
1998472992317,4cyclictest1999761-21kworker/u8:0+events_unbound19:38:151
1998472992313,8cyclictest2051586-21mailstats21:40:231
199846899231,9cyclictest2106779-21cstates00:20:120
1998468992316,3cyclictest0-21swapper/022:20:260
1998468992316,3cyclictest0-21swapper/020:50:260
1998468992315,6cyclictest0-21swapper/020:22:350
1998468992313,6cyclictest0-21swapper/019:10:210
199846899230,21cyclictest0-21swapper/019:44:320
1998480992217,3cyclictest0-21swapper/323:25:143
1998480992213,6cyclictest2102604-21awk00:05:283
1998480992213,6cyclictest0-21swapper/321:45:013
1998480992212,8cyclictest2104775-21sed00:15:013
1998477992215,3cyclictest0-21swapper/200:10:012
1998477992214,5cyclictest2088018-21cat23:25:202
1998477992213,7cyclictest2032872-21sed20:45:262
1998477992213,6cyclictest2107618-21cat00:20:242
1998477992212,7cyclictest2065188-21ls22:20:242
1998477992212,7cyclictest2027304-21ntpq20:30:252
1998472992210,5cyclictest24-21ksoftirqd/100:30:121
1998468992217,3cyclictest13550irq/42-30be0000.ethernet21:10:120
1998468992216,3cyclictest0-21swapper/021:40:200
1998468992215,4cyclictest0-21swapper/021:45:180
1998468992215,3cyclictest0-21swapper/023:43:030
199846899221,3cyclictest2001599-21processes19:15:240
1998468992212,7cyclictest2029916-21run-parts20:40:000
199846899221,19cyclictest0-21swapper/021:50:150
1998468992210,9cyclictest2098386-21basename23:55:180
1998480992114,5cyclictest0-21swapper/323:00:223
1998480992112,6cyclictest0-21swapper/321:50:013
1998477992112,6cyclictest2070712-21run-parts22:35:242
1998477992112,6cyclictest2070712-21run-parts22:35:232
1998477992112,6cyclictest2036302-21unixbench_singl20:55:272
1998468992116,3cyclictest0-21swapper/021:56:230
199846899211,18cyclictest0-21swapper/022:31:390
199846899210,19cyclictest0-21swapper/022:10:510
1998477992015,3cyclictest2006663-21latency19:30:182
1998477992011,6cyclictest2010559-21sed19:40:272
1998477992010,7cyclictest2015667-21wc19:55:252
1998477991914,3cyclictest0-21swapper/220:50:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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