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2026-08-16 - 16:36

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 16, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
825040995241,8cyclictest391ktimers/311:50:133
825040994840,5cyclictest852408-21unixbench_multi08:25:273
825028994839,6cyclictest121ktimers/009:15:120
825040994330,9cyclictest845578-21grep08:05:253
825032994336,4cyclictest835794-21cron07:40:001
825040994234,5cyclictest854575-21munin-plugin-st08:35:013
825032994233,5cyclictest0-21swapper/108:35:001
825040994110,12cyclictest887779-21dpkg10:10:023
825032994133,4cyclictest0-21swapper/109:40:001
825040994032,4cyclictest0-21swapper/308:00:013
825040994026,10cyclictest826658-21audit_send_reply07:15:003
825028994033,4cyclictest896370-21munin-plugin-st10:35:010
825028994032,5cyclictest930369-21kworker/u8:1+events_unbound12:29:260
825028994032,4cyclictest911721-21sendmail11:20:010
825028993932,4cyclictest939225-21munin-plugin-st12:40:000
825028993932,4cyclictest939225-21munin-plugin-st12:39:590
825028993931,5cyclictest885601-21kworker/u8:2+events_unbound10:14:060
825037993830,4cyclictest0-21swapper/211:20:002
825032993829,6cyclictest881871-21grep09:50:281
825028993831,4cyclictest882275-21cron09:55:000
825040993729,4cyclictest0-21swapper/309:10:003
825040993727,7cyclictest864545-21unixbench_multi09:00:253
825040993726,7cyclictest880169-21grep09:45:263
825040993726,7cyclictest880169-21grep09:45:263
825040993719,12cyclictest0-21swapper/307:50:133
825028993725,9cyclictest871860-21idleruntime-cro09:25:000
825028993723,10cyclictest886984-21grep10:05:270
825040993628,4cyclictest0-21swapper/311:20:273
825040993628,4cyclictest0-21swapper/308:50:173
825040993626,6cyclictest0-21swapper/310:45:003
825040993621,11cyclictest391ktimers/307:25:153
825037993626,6cyclictest0-21swapper/212:20:242
825037993626,6cyclictest0-21swapper/207:20:012
825032993626,7cyclictest899356-21unixbench_singl10:40:261
825032993625,8cyclictest918110-21grep11:35:261
825028993628,5cyclictest835807-21sendmail07:40:000
825028993624,6cyclictest13550irq/42-30be0000.ethernet09:40:010
825040993528,3cyclictest0-21swapper/308:55:173
825040993528,3cyclictest0-21swapper/308:55:163
825040993527,4cyclictest0-21swapper/310:55:013
825040993526,5cyclictest0-21swapper/311:20:013
825037993527,5cyclictest895028-21fschecks_count10:30:152
825037993525,6cyclictest0-21swapper/209:15:002
825028993527,4cyclictest0-21swapper/011:45:280
825028993526,5cyclictest930018-21grep12:10:250
825028993525,7cyclictest920250-21sh11:45:000
825028993524,7cyclictest857785-21grep08:40:270
825040993417,12cyclictest0-21swapper/312:35:113
825040993417,12cyclictest0-21swapper/312:35:113
825037993427,4cyclictest930478-21cron12:14:592
825037993425,6cyclictest0-21swapper/207:15:022
825032993424,6cyclictest0-21swapper/107:15:011
825028993427,5cyclictest926830-21kworker/u8:0+events_unbound12:04:220
825028993426,4cyclictest0-21swapper/009:45:260
825028993426,4cyclictest0-21swapper/009:45:260
825028993426,4cyclictest0-21swapper/008:05:250
825028993424,5cyclictest0-21swapper/008:13:350
825028993421,8cyclictest844205-21sshd08:03:350
825028993421,8cyclictest844205-21sshd08:03:340
825028993418,13cyclictest11-21ksoftirqd/010:35:130
825037993325,4cyclictest0-21swapper/210:35:182
825037993325,4cyclictest0-21swapper/207:50:252
825032993326,4cyclictest0-21swapper/111:00:171
825032993324,6cyclictest852858-21sh08:30:001
825028993322,7cyclictest837043-21grep07:40:240
825040993226,3cyclictest0-21swapper/311:40:133
825040993223,5cyclictest0-21swapper/309:15:273
825040993220,8cyclictest0-21swapper/311:10:143
825040993219,10cyclictest926140-21/usr/sbin/munin12:00:223
825040993218,11cyclictest855528-21/usr/sbin/munin08:35:203
825040993217,11cyclictest929008-21apt-get12:10:123
825037993225,3cyclictest0-21swapper/209:30:172
825032993225,4cyclictest887415-21kthreadd10:10:001
825040993123,5cyclictest0-21swapper/307:35:263
825040993121,7cyclictest875935-21/usr/sbin/munin09:35:203
825040993121,7cyclictest870924-21/usr/sbin/munin09:20:203
825040993118,10cyclictest936174-21/usr/sbin/munin12:30:183
825040993118,10cyclictest927427-21/usr/sbin/munin12:05:153
825040993117,11cyclictest847861-21cut08:15:003
82503799312,9cyclictest8547392apt-key08:35:022
825037993124,4cyclictest0-21swapper/208:35:162
825037993123,5cyclictest0-21swapper/211:35:012
825037993123,4cyclictest0-21swapper/211:05:262
825037993123,4cyclictest0-21swapper/210:45:182
825037993123,4cyclictest0-21swapper/209:55:252
825032993125,3cyclictest0-21swapper/112:05:261
825032993124,4cyclictest866711-21cron09:10:001
825032993124,4cyclictest0-21swapper/109:05:011
825028993123,6cyclictest11-21ksoftirqd/009:05:130
825028993121,6cyclictest0-21swapper/008:35:200
825028993120,8cyclictest908720-21fschecks_time11:10:140
825028993117,12cyclictest11-21ksoftirqd/007:55:140
825028993114,14cyclictest11-21ksoftirqd/011:05:130
825040993024,3cyclictest0-21swapper/309:40:173
825040993023,4cyclictest0-21swapper/309:25:253
825040993019,8cyclictest901400-21sshd10:49:093
825040993017,10cyclictest885609-21cron10:04:013
825037993023,4cyclictest925375-21idleruntime-cro12:00:012
825032993022,5cyclictest883872-21kworker/u8:1+events_unbound10:39:101
825032993020,7cyclictest913030-21grep11:20:261
825032993019,7cyclictest0-21swapper/110:30:141
825032993015,11cyclictest231ktimers/109:45:141
825032993015,11cyclictest231ktimers/109:45:141
825040992923,4cyclictest934135-21apt-get12:25:123
825040992923,3cyclictest920491-21apt-get11:45:143
825040992923,3cyclictest905138-21apt-get11:00:143
825040992920,5cyclictest0-21swapper/307:30:273
825040992919,7cyclictest882781-21/usr/sbin/munin09:55:183
825040992918,8cyclictest917822-21/usr/sbin/munin11:35:233
825040992916,10cyclictest892976-21/usr/sbin/munin10:25:273
825037992922,3cyclictest0-21swapper/212:05:172
825037992921,4cyclictest0-21swapper/211:24:162
825032992923,3cyclictest0-21swapper/109:25:211
825032992922,4cyclictest0-21swapper/111:25:251
825032992922,4cyclictest0-21swapper/107:45:281
825032992921,4cyclictest0-21swapper/107:28:291
825028992918,7cyclictest923189-21unixbench_multi11:50:260
82504099289,14cyclictest896516-21sed10:35:023
825040992822,3cyclictest0-21swapper/307:20:003
825040992819,6cyclictest924026-21/usr/sbin/munin11:55:173
825040992818,7cyclictest843203-21/usr/sbin/munin08:00:183
825040992818,7cyclictest843203-21/usr/sbin/munin08:00:183
825040992816,9cyclictest848273-21if_eth008:15:203
825040992816,8cyclictest204-21dbus-daemon11:09:133
825040992815,9cyclictest914269-21pluginstate11:25:233
825040992815,9cyclictest903412-21munin-node10:55:123
825040992814,11cyclictest932983-21/usr/sbin/munin12:20:213
825040992814,11cyclictest850314-21/usr/sbin/munin08:20:263
825040992811,13cyclictest931776-21grep12:15:283
825037992822,4cyclictest906073-21timerwakeupswit11:00:262
825037992819,6cyclictest0-21swapper/212:19:592
825032992821,4cyclictest0-21swapper/110:55:251
825032992821,4cyclictest0-21swapper/108:45:011
825032992821,4cyclictest0-21swapper/107:15:181
825032992819,7cyclictest231ktimers/110:25:121
825032992819,6cyclictest839656-21fschecks_time07:50:171
82502899281,4cyclictest131rcu_preempt10:45:150
82502899280,3cyclictest0-21swapper/010:00:140
82504099279,15cyclictest867700-21grep09:10:243
82504099278,12cyclictest0-21swapper/307:25:003
825040992721,3cyclictest873785-21apt-get09:30:153
825040992718,6cyclictest858543-21/usr/sbin/munin08:45:163
825040992717,7cyclictest915363-21/usr/sbin/munin11:30:123
825040992717,7cyclictest896589-21/usr/sbin/munin10:35:263
825040992717,7cyclictest886392-21memory10:05:213
825040992717,7cyclictest858103-21cron08:44:003
825040992717,7cyclictest836302-21/usr/sbin/munin07:40:163
825040992716,8cyclictest0-21swapper/309:50:133
825037992721,4cyclictest885601-21kworker/u8:2+events_unbound10:19:072
825037992720,3cyclictest0-21swapper/209:45:182
825037992720,3cyclictest0-21swapper/209:45:182
825037992720,3cyclictest0-21swapper/209:25:262
825032992719,4cyclictest0-21swapper/112:25:241
82502899278,4cyclictest932544-21sh12:20:150
825028992719,6cyclictest846271-21kworker/u8:0+events_unbound09:10:220
825028992719,4cyclictest0-21swapper/008:55:260
825028992719,4cyclictest0-21swapper/008:55:260
825028992719,4cyclictest0-21swapper/007:45:260
825028992717,6cyclictest0-21swapper/008:35:010
825028992713,10cyclictest121ktimers/012:30:100
825040992617,6cyclictest891394-21/usr/sbin/munin10:20:173
825040992616,7cyclictest889661-21df10:15:163
825037992618,5cyclictest0-21swapper/212:25:252
825037992614,4cyclictest131rcu_preempt11:35:262
825032992619,4cyclictest0-21swapper/110:00:001
825032992619,4cyclictest0-21swapper/109:15:001
825032992618,5cyclictest0-21swapper/112:20:151
825032992617,6cyclictest930048-21unixbench_singl12:10:261
825032992617,6cyclictest892741-21sh10:25:011
825028992620,3cyclictest0-21swapper/010:19:060
825028992619,5cyclictest920480-21kworker/u8:1+events_unbound11:59:230
825028992619,5cyclictest846271-21kworker/u8:0+events_unbound08:23:420
825028992619,5cyclictest846271-21kworker/u8:0+events_unbound08:18:410
825028992616,7cyclictest877870-21grep09:40:200
825037992519,3cyclictest0-21swapper/211:40:142
825037992518,4cyclictest939379-21latency_hist12:40:012
825037992518,4cyclictest939379-21latency_hist12:40:002
825037992517,4cyclictest0-21swapper/208:43:422
825037992514,8cyclictest888601-21sensors_temp10:10:252
825037992514,8cyclictest885721-21basename10:05:002
825037992513,7cyclictest0-21swapper/211:45:252
825032992514,8cyclictest856494-21tr08:40:011
825028992518,4cyclictest0-21swapper/011:20:270
825028992516,7cyclictest885601-21kworker/u8:2+events_unbound10:24:090
825028992515,7cyclictest884000-21run-parts10:00:000
825028992514,7cyclictest828968-21ls07:20:000
825037992418,4cyclictest145-21jbd2/mmcblk1p2-808:55:182
825037992418,4cyclictest145-21jbd2/mmcblk1p2-808:55:182
825037992417,4cyclictest0-21swapper/209:20:262
825037992416,5cyclictest0-21swapper/210:05:272
825037992416,4cyclictest0-21swapper/210:20:172
825037992414,7cyclictest914010-21cut11:25:192
825037992413,8cyclictest852917-21cut08:30:022
825032992418,3cyclictest0-21swapper/110:15:201
825032992417,4cyclictest0-21swapper/112:30:141
825032992417,4cyclictest0-21swapper/112:15:281
825032992417,4cyclictest0-21swapper/108:15:291
825032992417,3cyclictest0-21swapper/110:50:231
825032992416,5cyclictest923660-21sh11:55:001
825032992416,5cyclictest916842-21idleruntime-cro11:35:011
825032992416,5cyclictest0-21swapper/109:20:261
825032992414,7cyclictest0-21swapper/111:05:261
825032992412,8cyclictest874806-21grep09:30:271
82502899242,14cyclictest928361-21unixbench_singl12:05:250
825028992417,5cyclictest830616-21kworker/u8:1+events_unbound07:25:010
825028992415,4cyclictest918539-21munin-plugin-st11:40:000
825028992411,9cyclictest204-21dbus-daemon11:29:190
82502899241,19cyclictest0-21swapper/010:44:560
82502899240,6cyclictest0-21swapper/008:25:130
82503799233,11cyclictest32-21ksoftirqd/209:00:262
825037992316,4cyclictest908699-21fschecks_count11:10:152
825037992316,3cyclictest0-21swapper/212:00:222
825037992314,7cyclictest860507-21wc08:50:202
825032992317,3cyclictest0-21swapper/109:45:001
825032992317,3cyclictest0-21swapper/108:05:231
825032992316,4cyclictest0-21swapper/111:40:231
825032992315,5cyclictest0-21swapper/107:40:251
825028992319,2cyclictest0-21swapper/012:15:220
825028992316,5cyclictest822913-21kworker/u8:0+events_unbound07:12:020
825028992316,3cyclictest0-21swapper/010:55:100
825028992316,3cyclictest0-21swapper/010:51:490
825028992316,3cyclictest0-21swapper/008:45:300
82502899231,4cyclictest873994-21cut09:30:180
82502899231,18cyclictest0-21swapper/011:03:580
825037992215,4cyclictest894615-21apt-key10:30:002
825037992215,4cyclictest0-21swapper/210:55:142
825037992215,4cyclictest0-21swapper/210:50:252
825037992215,3cyclictest0-21swapper/208:10:262
825037992214,6cyclictest877250-21apt-config09:40:022
825037992214,5cyclictest1-21systemd08:23:402
825037992214,5cyclictest0-21swapper/209:45:012
825037992213,7cyclictest880890-21cat09:50:152
825037992213,7cyclictest848794-21sed08:15:272
825037992213,6cyclictest832755-21forks07:30:162
825037992212,6cyclictest844718-21cut08:05:162
825037992211,8cyclictest843468-21pluginstate08:00:232
825037992211,8cyclictest843468-21pluginstate08:00:232
825032992218,2cyclictest0-21swapper/110:00:211
825032992215,5cyclictest231ktimers/112:35:151
825032992215,5cyclictest231ktimers/112:35:151
825032992215,5cyclictest145-21jbd2/mmcblk1p2-810:45:201
825032992215,4cyclictest924050-21fschecks_count11:55:161
825032992215,4cyclictest0-21swapper/111:45:171
825032992215,4cyclictest0-21swapper/107:20:261
825032992213,6cyclictest861925-21ls08:55:151
825032992213,6cyclictest861925-21ls08:55:141
825032992212,7cyclictest846414-21cut08:10:171
825028992217,3cyclictest13550irq/42-30be0000.ethernet11:30:250
825028992214,5cyclictest839545-21seq07:50:140
825028992211,6cyclictest831616-21expr07:25:260
825037992115,3cyclictest0-21swapper/207:40:212
825037992114,4cyclictest935969-21fschecks_count12:30:152
825037992114,4cyclictest0-21swapper/207:30:002
825037992113,6cyclictest830440-21seq07:22:092
825032992116,3cyclictest0-21swapper/110:10:141
825032992114,5cyclictest231ktimers/107:55:151
825032992112,6cyclictest1-21systemd08:48:431
825028992116,3cyclictest13550irq/42-30be0000.ethernet09:25:260
825028992114,3cyclictest0-21swapper/008:54:570
82502899210,17cyclictest0-21swapper/010:25:070
825037992015,3cyclictest0-21swapper/207:35:162
825037992014,3cyclictest0-21swapper/210:40:202
825037992012,5cyclictest0-21swapper/209:05:222
825037992010,6cyclictest859424-21grep08:45:252
825037992010,6cyclictest0-21swapper/207:55:162
82503299209,8cyclictest908642-21df11:10:141
825032992012,6cyclictest231ktimers/108:50:131
825032992011,6cyclictest0-21swapper/111:15:281
825032991913,3cyclictest925607-21/usr/sbin/munin12:00:161
825032991912,5cyclictest231ktimers/108:00:121
825032991912,5cyclictest231ktimers/108:00:121
825032991912,5cyclictest231ktimers/107:30:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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