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2026-09-08 - 09:20

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 Tue Sep 08, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2021654995342,7cyclictest2127252-21grep00:10:281
202166299500,42cyclictest0-21swapper/319:50:133
2021659995040,7cyclictest2045851-21grep20:15:262
202166299491,42cyclictest2124542-21apt-get00:05:103
202166299490,40cyclictest0-21swapper/322:35:133
2021662994827,18cyclictest2058425-21sh20:55:013
2021662994634,8cyclictest2059704-21grep20:55:243
202166299460,39cyclictest2126246-21apt-get00:10:153
202166299460,35cyclictest0-21swapper/319:20:103
202166299450,36cyclictest0-21swapper/321:00:143
2021654994533,9cyclictest2034334-21cron19:45:021
2021650994534,7cyclictest2066990-21basename21:20:000
2021650994530,11cyclictest121ktimers/023:40:130
202166299441,38cyclictest2043151-21/usr/sbin/munin20:10:143
2021659994437,5cyclictest2097998-21kworker/u8:1+events_unbound23:33:032
2021650994430,11cyclictest121ktimers/019:50:150
202166299431,39cyclictest2067943-21/usr/sbin/munin21:20:223
202166299431,39cyclictest2067943-21/usr/sbin/munin21:20:223
2021659994331,9cyclictest311ktimers/220:20:122
2021662994218,19cyclictest0-21swapper/320:25:223
202166299421,38cyclictest2132437-21/usr/sbin/munin00:25:253
202166299421,38cyclictest2022165-21/usr/sbin/munin19:10:193
202166299421,36cyclictest2123298-21/usr/sbin/munin00:00:203
202166299421,36cyclictest2083103-21/usr/sbin/munin22:05:193
2021654994233,5cyclictest2087649-21idleruntime-cro22:20:011
202166299413,33cyclictest2032967-21/usr/sbin/munin19:40:123
2021662994124,13cyclictest0-21swapper/322:15:003
2021662994116,20cyclictest0-21swapper/323:55:243
202166299411,37cyclictest2130105-21/usr/sbin/munin00:20:183
202166299403,32cyclictest2046522-21apt-get20:20:123
2021662994021,14cyclictest0-21swapper/322:25:013
2021662994018,17cyclictest2095971-21grep22:40:253
2021662994014,23cyclictest2031131-21latency_hist19:35:023
202166299401,36cyclictest2092195-21/usr/sbin/munin22:30:243
202166299401,35cyclictest2110390-21latency_hist23:25:013
202166299401,34cyclictest2114216-21/usr/sbin/munin23:35:143
202166299401,34cyclictest2105486-21/usr/sbin/munin23:10:193
202166299401,34cyclictest2100287-21/usr/sbin/munin22:55:143
202166299401,34cyclictest2096964-21/usr/sbin/munin22:45:163
202166299401,34cyclictest2076037-21cstates21:45:143
202166299401,34cyclictest2071068-21/usr/sbin/munin21:30:203
202166299401,34cyclictest2045366-21ntp_states20:15:233
202166299401,33cyclictest0-21swapper/300:35:123
202166299400,33cyclictest2098538-21apt-get22:50:163
2021654994029,7cyclictest0-21swapper/100:05:011
202166299391,35cyclictest2113064-21/usr/sbin/munin23:30:223
202166299391,35cyclictest2111685-21cron23:27:003
202166299391,35cyclictest2050445-21/usr/sbin/munin20:30:203
202166299391,35cyclictest2040900-21cron20:02:003
202166299391,34cyclictest2034623-21/usr/sbin/munin19:45:143
202166299391,33cyclictest2086613-21/usr/sbin/munin22:15:193
202166299391,33cyclictest2079341-21apt-get21:55:113
202166299391,22cyclictest629-21snmpd20:45:183
202166299381,35cyclictest2027542-21apt-get19:25:143
202166299381,34cyclictest2082352-21cron22:03:013
202166299381,34cyclictest2077747-21df21:50:133
202166299381,34cyclictest2075315-21/usr/sbin/munin21:40:263
202166299381,34cyclictest2073284-21/usr/sbin/munin21:35:263
202166299381,34cyclictest2065932-21/usr/sbin/munin21:15:193
202166299381,34cyclictest2054632-21/usr/sbin/munin20:40:263
202166299381,34cyclictest2042602-21cron20:07:003
202166299381,34cyclictest2031259-21df19:35:153
202166299381,33cyclictest2107505-21meminfo23:15:193
202166299381,33cyclictest2107505-21meminfo23:15:193
202166299381,32cyclictest2133065-21munin-node00:30:143
202166299381,32cyclictest2128126-21/usr/sbin/munin00:15:173
202166299381,32cyclictest2103759-21df23:05:143
202166299381,32cyclictest2102400-21meminfo23:00:193
202166299381,32cyclictest2069117-21apt-get21:25:113
202166299381,32cyclictest2062530-21meminfo21:05:223
202166299381,30cyclictest2051839-21apt-get20:35:133
202166299380,35cyclictest2039101-21cron19:56:013
2021654993829,5cyclictest0-21swapper/122:45:001
202165499381,17cyclictest0-21swapper/122:50:171
202166299371,33cyclictest2118058-21/usr/sbin/munin23:45:183
202166299371,33cyclictest2116382-21ntp_states23:40:223
202166299371,33cyclictest2025499-21cron19:19:003
202166299371,32cyclictest2063889-21/usr/sbin/munin21:10:153
202166299371,31cyclictest0-21swapper/323:50:173
2021659993728,6cyclictest0-21swapper/222:40:002
2021659993726,7cyclictest0-21swapper/219:20:002
2021654993730,5cyclictest2023098-21kworker/u8:2+events_unbound19:17:411
2021654993730,4cyclictest2080841-21idleruntime-cro22:00:001
202165499371,10cyclictest24-21ksoftirqd/121:25:131
202166299361,32cyclictest2090126-21/usr/sbin/munin22:25:183
2021654993629,4cyclictest2111945-21apt-get23:30:001
2021659993524,7cyclictest2032618-21sh19:40:022
2021654993527,4cyclictest0-21swapper/100:35:251
2021654993517,8cyclictest2077319-21kworker/u8:0+events_unbound22:01:271
2021650993528,4cyclictest2129408-21cron00:20:000
2021650993524,8cyclictest2028555-21grep19:25:260
2021659993426,4cyclictest0-21swapper/221:00:272
2021659993424,6cyclictest0-21swapper/219:30:002
202165499349,12cyclictest24-21ksoftirqd/123:40:021
2021654993427,5cyclictest2097998-21kworker/u8:1+events_unbound23:03:011
2021654993422,9cyclictest2089563-21latency_hist22:25:011
2021650993415,16cyclictest0-21swapper/022:00:000
2021659993327,3cyclictest0-21swapper/223:40:002
2021659993326,4cyclictest0-21swapper/200:20:002
2021659993322,7cyclictest2042866-21idleruntime-cro20:10:002
2021654993325,4cyclictest0-21swapper/100:10:001
2021654993322,9cyclictest231ktimers/122:45:081
2021654993320,7cyclictest2072058-21kworker/u8:0+events_unbound21:39:411
2021654993312,4cyclictest131rcu_preempt19:35:011
2021654993312,13cyclictest131rcu_preempt00:25:171
2021654993312,12cyclictest24-21ksoftirqd/123:45:011
2021650993327,3cyclictest2032627-21cron19:40:010
2021650993326,4cyclictest0-21swapper/022:20:240
2021650993325,4cyclictest0-21swapper/020:35:260
2021650993325,4cyclictest0-21swapper/020:10:000
2021650993325,4cyclictest0-21swapper/000:38:070
2021659993224,4cyclictest0-21swapper/223:55:252
2021659993222,7cyclictest2037738-21sh19:55:012
2021659993222,6cyclictest0-21swapper/221:10:252
2021654993226,4cyclictest2097998-21kworker/u8:1+events_unbound23:48:051
2021654993225,4cyclictest0-21swapper/120:00:151
2021654993224,4cyclictest0-21swapper/119:35:171
2021654993223,5cyclictest0-21swapper/119:55:261
2021650993223,6cyclictest2048387-21fschecks_count20:25:160
2021650993211,3cyclictest20735062grep21:35:260
2021659993125,4cyclictest2125907-21kworker/u8:0+events_unbound00:28:062
2021659993124,4cyclictest2077417-21munin-run21:50:012
2021659993123,4cyclictest0-21swapper/221:30:002
2021659993121,7cyclictest2104694-21grep23:05:262
202165499316,12cyclictest24-21ksoftirqd/121:20:011
2021654993122,6cyclictest0-21swapper/122:35:261
2021654993121,7cyclictest2064771-21grep21:10:251
2021654993120,8cyclictest2068441-21grep21:20:281
2021654993120,8cyclictest2068441-21grep21:20:271
2021654993114,5cyclictest131rcu_preempt22:15:011
2021654993114,5cyclictest131rcu_preempt21:50:251
2021654993111,12cyclictest131rcu_preempt19:50:131
2021654993111,12cyclictest131rcu_preempt19:10:251
2021650993120,7cyclictest2094246-21grep22:35:260
2021659993023,5cyclictest2097998-21kworker/u8:1+events_unbound23:42:012
2021659993023,5cyclictest2042699-21kworker/u8:2+events_unbound20:12:472
2021659993023,4cyclictest0-21swapper/222:20:152
2021659993019,6cyclictest0-21swapper/223:20:252
202165499309,5cyclictest131rcu_preempt21:45:171
202165499307,11cyclictest24-21ksoftirqd/123:30:241
202165499307,11cyclictest24-21ksoftirqd/120:50:011
202165499302,8cyclictest24-21ksoftirqd/121:30:191
2021654993024,4cyclictest2106469-21kworker/u8:0+events_unbound23:11:411
2021654993017,5cyclictest2125907-21kworker/u8:0+events_unbound00:21:241
2021654993015,6cyclictest2048219-21kworker/u8:3+events_unbound20:27:101
2021654993013,6cyclictest24-21ksoftirqd/100:30:281
2021654993010,12cyclictest24-21ksoftirqd/120:20:241
202165499300,3cyclictest629-21snmpd20:50:111
2021650993021,5cyclictest0-21swapper/000:13:060
2021659992924,3cyclictest2111526-21unixbench_singl23:25:252
2021659992921,4cyclictest0-21swapper/219:40:232
2021659992920,5cyclictest0-21swapper/223:45:252
2021659992919,7cyclictest2022879-21unixbench_singl19:10:272
2021659992919,6cyclictest0-21swapper/222:45:262
2021659992918,6cyclictest0-21swapper/223:10:302
202165499298,12cyclictest24-21ksoftirqd/119:45:241
2021654992919,6cyclictest0-21swapper/123:50:291
2021654992910,12cyclictest131rcu_preempt22:35:011
2021654992910,12cyclictest131rcu_preempt22:25:241
2021650992921,3cyclictest0-21swapper/021:05:000
2021650992918,8cyclictest121ktimers/021:05:160
2021659992821,4cyclictest0-21swapper/221:30:292
2021659992821,4cyclictest0-21swapper/221:20:282
2021659992821,4cyclictest0-21swapper/221:20:272
2021659992821,3cyclictest0-21swapper/200:10:002
2021659992820,5cyclictest2091637-21fschecks_count22:30:162
2021659992820,5cyclictest0-21swapper/221:05:182
202165499289,12cyclictest131rcu_preempt23:15:221
202165499289,12cyclictest131rcu_preempt23:15:211
202165499288,11cyclictest131rcu_preempt23:55:221
2021654992820,5cyclictest2103839-21cut23:05:161
2021654992819,7cyclictest2054779-21kworker/u8:1+events_unbound21:03:541
2021654992817,7cyclictest0-21swapper/120:15:171
2021654992812,6cyclictest131rcu_preempt22:05:121
202165499281,12cyclictest0-21swapper/120:55:221
2021654992810,12cyclictest131rcu_preempt20:40:161
2021650992821,4cyclictest2085939-21munin-plugin-st22:15:000
2021650992818,7cyclictest438-21cron22:50:000
2021659992720,5cyclictest2101218-21unixbench_multi22:55:252
2021659992720,5cyclictest2083890-21kworker/u8:1+events_unbound22:07:552
2021659992720,3cyclictest0-21swapper/200:00:162
2021659992717,6cyclictest0-21swapper/220:45:252
202165499279,11cyclictest131rcu_preempt20:30:141
202165499276,14cyclictest24-21ksoftirqd/119:30:011
2021654992720,5cyclictest2017886-21kworker/u8:0+events_unbound19:23:151
2021654992719,4cyclictest0-21swapper/100:15:251
202165499271,6cyclictest0-21swapper/123:20:111
2021654992711,7cyclictest24-21ksoftirqd/123:00:001
2021654992711,5cyclictest131rcu_preempt20:35:181
2021650992723,2cyclictest13550irq/42-30be0000.ethernet21:45:120
2021650992720,4cyclictest2046287-21idleruntime-cro20:20:010
2021650992719,6cyclictest2034026-21kworker/u8:0+events_unbound20:02:450
2021650992719,5cyclictest0-21swapper/021:40:160
2021650992719,5cyclictest0-21swapper/019:50:010
2021650992718,6cyclictest0-21swapper/023:00:010
2021650992716,6cyclictest0-21swapper/023:25:250
2021659992619,4cyclictest2054558-21tail20:40:252
2021659992619,4cyclictest0-21swapper/223:50:292
2021659992619,3cyclictest0-21swapper/220:35:262
2021659992618,4cyclictest0-21swapper/219:30:272
202165999261,5cyclictest131rcu_preempt21:50:112
2021659992613,9cyclictest2039244-21sshd19:57:442
202165499269,5cyclictest131rcu_preempt21:40:121
2021654992610,6cyclictest24-21ksoftirqd/120:05:171
202165099262,4cyclictest2050496-21ntp_states20:30:210
2021650992615,7cyclictest0-21swapper/019:10:270
2021659992518,4cyclictest0-21swapper/220:55:242
2021659992518,3cyclictest0-21swapper/200:38:102
2021659992515,7cyclictest2051392-21auditctl20:35:002
202165099256,14cyclictest13550irq/42-30be0000.ethernet22:50:160
2021650992521,2cyclictest13550irq/42-30be0000.ethernet21:50:120
2021650992520,3cyclictest2097998-21kworker/u8:1+events_unbound23:23:030
2021650992518,4cyclictest13850irq/36-mmc100:10:000
2021650992516,6cyclictest2048135-21grep20:25:010
202165099251,21cyclictest2108522-21cron23:20:010
202165099251,21cyclictest2108522-21cron23:20:000
2021659992419,2cyclictest0-21swapper/200:30:162
2021659992417,5cyclictest311ktimers/222:15:172
2021659992417,3cyclictest0-21swapper/221:55:252
2021650992417,4cyclictest13850irq/36-mmc120:00:010
2021650992413,7cyclictest2132377-21grep00:25:250
2021650992413,7cyclictest204-21dbus-daemon23:48:040
2021650992413,7cyclictest0-21swapper/019:40:230
202165099241,19cyclictest0-21swapper/023:04:030
202165099241,19cyclictest0-21swapper/021:30:150
202165099241,19cyclictest0-21swapper/021:14:160
2021659992317,4cyclictest2040985-21kworker/u8:1+events_unbound20:04:422
2021659992317,3cyclictest2102289-21sshd23:00:172
2021659992317,3cyclictest0-21swapper/222:50:242
2021659992317,3cyclictest0-21swapper/200:10:212
2021659992316,3cyclictest0-21swapper/222:00:222
2021659992315,5cyclictest0-21swapper/200:20:182
2021650992318,3cyclictest2021641-21cyclictest19:16:000
2021650992317,3cyclictest0-21swapper/022:25:270
2021650992316,4cyclictest2096401-21munin-plugin-st22:45:000
2021650992316,3cyclictest0-21swapper/020:45:300
2021650992316,3cyclictest0-21swapper/000:05:000
2021650992315,5cyclictest121ktimers/023:55:150
2021650992314,6cyclictest2093066-21date22:35:010
202165099231,3cyclictest2111945-21apt-get23:30:010
2021650992313,6cyclictest0-21swapper/023:10:290
202165099231,20cyclictest0-21swapper/023:50:170
202165099231,20cyclictest0-21swapper/022:00:350
202165099231,19cyclictest2057190-21/usr/sbin/munin20:50:150
202165099231,18cyclictest2129827-21fschecks_count00:20:160
202165099231,18cyclictest0-21swapper/021:28:330
202165099231,18cyclictest0-21swapper/021:24:080
202165099231,18cyclictest0-21swapper/021:24:080
202165099231,18cyclictest0-21swapper/020:11:430
2021659992216,4cyclictest2025516-21kworker/u8:1+events_unbound19:48:472
2021659992216,3cyclictest0-21swapper/221:15:162
2021659992214,4cyclictest0-21swapper/221:35:172
2021659992211,8cyclictest2095031-21df_inode22:40:152
202165999221,12cyclictest0-21swapper/222:10:252
202165099224,13cyclictest13550irq/42-30be0000.ethernet20:40:140
2021650992216,3cyclictest0-21swapper/000:30:260
2021650992215,3cyclictest0-21swapper/023:36:150
2021650992215,3cyclictest0-21swapper/019:34:160
202165099221,19cyclictest0-21swapper/022:15:320
202165099221,17cyclictest0-21swapper/023:05:280
2021650992114,4cyclictest2027102-21sshd19:22:400
2021650992111,7cyclictest2058743-21awk20:55:130
2021659992013,4cyclictest2090007-21fschecks_time22:25:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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