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2026-05-06 - 03:45

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 Wed May 06, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
443155995445,5cyclictest543874-21munin-run00:00:002
443160994733,10cyclictest391ktimers/322:40:123
443150994733,9cyclictest450512-21grep19:25:261
443160994539,4cyclictest507459-21kworker/u8:0+events_unbound23:06:483
443150994534,8cyclictest509341-21idleruntime-cro22:19:591
443145994517,5cyclictest0-21swapper/023:00:260
443150994435,4cyclictest0-21swapper/121:40:011
443145994431,10cyclictest121ktimers/022:10:140
443160994235,5cyclictest495253-21kworker/u8:1+events_unbound21:51:363
443155994231,8cyclictest311ktimers/200:05:132
443160994034,4cyclictest548714-21kworker/u8:3+events_unbound00:12:053
443160994034,4cyclictest528217-21kworker/u8:1+events_unbound23:21:503
443160994032,5cyclictest391ktimers/319:20:113
443160993931,6cyclictest536916-21kworker/u8:1+events_unbound23:41:513
443150993930,6cyclictest231ktimers/120:35:111
443160993830,5cyclictest530225-21munin-run23:20:003
443160993827,7cyclictest0-21swapper/319:20:003
443160993825,9cyclictest443272-21apt-key19:10:013
443160993825,9cyclictest443272-21apt-key19:10:003
443145993828,6cyclictest0-21swapper/019:30:020
44316099377,16cyclictest40-21ksoftirqd/320:10:173
443145993726,7cyclictest0-21swapper/022:25:000
443160993625,5cyclictest131rcu_preempt20:25:223
443160993622,6cyclictest474735-21kworker/u8:2+events_unbound20:52:403
443160993616,16cyclictest391ktimers/300:16:303
443160993615,13cyclictest131rcu_preempt22:15:183
443155993629,4cyclictest481627-21idleruntime-cro21:00:002
443150993629,5cyclictest231ktimers/100:30:111
443145993626,7cyclictest0-21swapper/020:00:000
443160993520,6cyclictest131rcu_preempt23:59:593
443155993527,4cyclictest0-21swapper/223:00:002
443155993525,7cyclictest449606-21fschecks_count19:25:152
443155993523,8cyclictest467961-21sh20:20:012
443150993527,4cyclictest0-21swapper/121:00:251
44316099346,16cyclictest40-21ksoftirqd/321:15:253
443160993426,4cyclictest0-21swapper/322:25:263
443160993420,5cyclictest131rcu_preempt21:25:013
443160993418,4cyclictest131rcu_preempt19:55:163
443160993417,5cyclictest131rcu_preempt19:30:013
443160993416,9cyclictest131rcu_preempt21:30:183
443160993412,7cyclictest131rcu_preempt21:15:003
443160993411,5cyclictest381rcuc/323:25:573
443155993423,6cyclictest0-21swapper/222:05:242
443155993423,6cyclictest0-21swapper/222:05:242
44315099343,4cyclictest4863182sed21:10:251
443145993427,4cyclictest447302-21sendmail19:20:000
443160993327,4cyclictest520215-21kworker/u8:3+events_unbound22:54:413
443160993327,3cyclictest391ktimers/321:50:013
443160993325,4cyclictest0-21swapper/319:45:263
443160993324,4cyclictest0-21swapper/300:20:273
443160993323,4cyclictest131rcu_preempt21:39:433
443160993322,8cyclictest391ktimers/322:00:133
443160993321,8cyclictest391ktimers/319:40:013
443160993321,5cyclictest131rcu_preempt00:00:233
443160993316,10cyclictest131rcu_preempt20:55:183
443160993312,9cyclictest131rcu_preempt21:05:263
443160993312,6cyclictest0-21swapper/322:35:253
443160993312,5cyclictest131rcu_preempt20:38:203
443155993325,4cyclictest0-21swapper/222:00:272
443155993325,4cyclictest0-21swapper/221:30:252
443155993322,8cyclictest552411-21auditctl00:25:012
443150993326,3cyclictest0-21swapper/119:15:011
443150993324,5cyclictest545577-21cron00:05:001
443145993326,4cyclictest0-21swapper/019:45:250
443145993325,4cyclictest492077-21kthreadd21:30:010
443145993325,4cyclictest0-21swapper/000:30:000
443145993323,7cyclictest500852-21dpkg21:55:010
443145993323,7cyclictest121ktimers/023:55:120
443145993322,7cyclictest0-21swapper/022:19:590
44316099329,12cyclictest40-21ksoftirqd/322:10:013
44316099329,12cyclictest40-21ksoftirqd/322:10:003
443160993214,3cyclictest131rcu_preempt20:45:003
443160993213,3cyclictest131rcu_preempt22:00:013
443160993212,5cyclictest131rcu_preempt00:05:073
443160993211,5cyclictest131rcu_preempt20:05:253
443155993225,4cyclictest0-21swapper/200:25:262
443150993225,3cyclictest0-21swapper/122:45:261
443150993224,4cyclictest0-21swapper/121:45:251
443150993224,4cyclictest0-21swapper/119:55:271
443150993224,4cyclictest0-21swapper/100:20:001
443150993222,5cyclictest0-21swapper/123:01:451
443145993220,8cyclictest204-21dbus-daemon19:51:280
443145993217,11cyclictest121ktimers/020:50:120
44316099318,15cyclictest131rcu_preempt22:20:163
44316099316,6cyclictest40-21ksoftirqd/300:25:243
443160993124,3cyclictest0-21swapper/323:35:253
443160993114,9cyclictest131rcu_preempt22:45:163
443160993114,10cyclictest131rcu_preempt19:10:163
443160993113,4cyclictest131rcu_preempt20:15:243
443160993112,11cyclictest131rcu_preempt23:10:143
443155993124,4cyclictest0-21swapper/200:15:262
443155993123,5cyclictest444624-21kworker/u8:1+events_unbound19:16:272
443155993123,5cyclictest1-21systemd23:51:532
443155993123,4cyclictest0-21swapper/223:05:282
443155993120,7cyclictest0-21swapper/220:25:012
443150993120,7cyclictest0-21swapper/121:35:001
443145993123,4cyclictest482860-21grep21:00:250
443145993123,4cyclictest0-21swapper/020:10:010
443145993122,7cyclictest121ktimers/000:35:120
44316099309,11cyclictest40-21ksoftirqd/319:50:163
44316099302,8cyclictest40-21ksoftirqd/319:45:023
443160993020,7cyclictest391ktimers/300:35:163
443160993019,8cyclictest391ktimers/323:50:153
443160993019,4cyclictest131rcu_preempt23:47:593
443160993019,4cyclictest131rcu_preempt23:47:593
443160993016,8cyclictest131rcu_preempt20:22:003
443160993016,4cyclictest131rcu_preempt21:00:173
443160993012,10cyclictest131rcu_preempt20:30:203
443160993012,10cyclictest131rcu_preempt20:30:203
443160993011,15cyclictest391ktimers/321:28:213
443160993010,11cyclictest40-21ksoftirqd/321:40:143
443155993023,4cyclictest0-21swapper/223:15:242
443155993023,4cyclictest0-21swapper/200:10:252
443155993020,7cyclictest517629-21grep22:40:252
443150993022,4cyclictest0-21swapper/123:25:241
443150993022,4cyclictest0-21swapper/122:00:171
443150993022,4cyclictest0-21swapper/121:25:001
443150993022,4cyclictest0-21swapper/119:40:221
443145993017,9cyclictest121ktimers/023:25:120
443145993016,9cyclictest547035-21sshd00:07:030
44316099297,12cyclictest40-21ksoftirqd/322:55:173
443160992920,6cyclictest391ktimers/320:00:163
443160992915,3cyclictest131rcu_preempt00:35:003
443160992913,9cyclictest131rcu_preempt22:31:383
443160992913,5cyclictest131rcu_preempt19:30:253
44316099290,21cyclictest0-21swapper/322:10:153
443155992923,3cyclictest0-21swapper/221:20:152
443155992921,6cyclictest457720-21kworker/u8:3+events_unbound20:01:292
443155992921,4cyclictest0-21swapper/223:40:232
443155992918,8cyclictest488461-21sendmail21:20:002
443150992921,6cyclictest444624-21kworker/u8:1+events_unbound19:20:251
443150992920,6cyclictest512631-21kworker/u8:2+events_unbound22:50:111
443150992918,7cyclictest0-21swapper/122:40:001
44314599291,23cyclictest481599-21cron21:00:010
443145992910,16cyclictest520723-21sed22:50:210
443160992822,4cyclictest533616-21kworker/u8:0+events_unbound23:30:433
443160992811,5cyclictest131rcu_preempt23:01:593
443155992822,3cyclictest0-21swapper/219:25:012
443155992819,6cyclictest478927-21sort20:50:202
443150992822,4cyclictest531720-21kworker/u8:2+events_unbound23:36:521
443150992820,4cyclictest0-21swapper/120:25:161
443150992818,7cyclictest506361-21grep22:10:151
443150992818,5cyclictest0-21swapper/120:15:001
443145992816,8cyclictest495051-21grep21:35:260
44315599272,21cyclictest629-21snmpd23:35:122
443150992719,4cyclictest510858-21unixbench_singl22:20:251
443150992719,4cyclictest491599-21grep21:25:241
443150992719,4cyclictest0-21swapper/123:15:261
443145992720,4cyclictest0-21swapper/021:45:010
443145992719,5cyclictest0-21swapper/023:40:220
443145992719,4cyclictest0-21swapper/023:35:250
443145992717,6cyclictest0-21swapper/021:10:240
443155992620,3cyclictest474793-21sh20:40:012
443155992620,3cyclictest0-21swapper/220:15:022
443155992619,4cyclictest0-21swapper/222:30:002
443155992619,4cyclictest0-21swapper/219:35:252
443155992618,4cyclictest0-21swapper/221:25:252
443150992619,5cyclictest3531275-21kworker/u8:0+events_unbound19:15:501
443150992619,4cyclictest474735-21kworker/u8:2+events_unbound20:55:011
443150992618,6cyclictest462714-21kworker/u8:0+events_unbound20:05:411
443150992618,4cyclictest0-21swapper/122:30:271
443145992619,4cyclictest0-21swapper/000:00:260
443145992618,6cyclictest500502-21kworker/u8:0+events_unbound22:02:180
443145992617,6cyclictest493777-21sh21:35:000
443145992616,7cyclictest490168-21ls21:25:010
443145992616,6cyclictest540454-21cron23:50:000
443145992616,6cyclictest540454-21cron23:50:000
44314599260,23cyclictest0-21swapper/019:40:120
443155992519,3cyclictest0-21swapper/222:20:012
443155992519,3cyclictest0-21swapper/221:50:212
443155992519,3cyclictest0-21swapper/220:30:272
443155992519,3cyclictest0-21swapper/220:30:262
443155992518,4cyclictest482891-21unixbench_singl21:00:262
443155992517,6cyclictest145-21jbd2/mmcblk1p2-822:35:062
443155992517,5cyclictest0-21swapper/221:10:012
44315099254,4cyclictest131rcu_preempt19:50:131
443150992519,4cyclictest498673-21kworker/u8:3+events_unbound21:56:361
443150992519,4cyclictest474735-21kworker/u8:2+events_unbound21:06:301
443150992519,3cyclictest0-21swapper/100:10:241
443150992516,5cyclictest0-21swapper/100:05:171
443150992516,4cyclictest0-21swapper/100:25:261
443150992515,7cyclictest551153-21fschecks_time00:20:171
443150992514,8cyclictest500595-21apt-get21:55:001
443145992519,2cyclictest0-21swapper/020:20:000
443145992518,4cyclictest121ktimers/019:20:220
443145992518,3cyclictest0-21swapper/020:20:160
443145992516,6cyclictest516374-21run-parts22:40:010
443145992512,10cyclictest121ktimers/023:05:130
443155992418,3cyclictest0-21swapper/221:35:222
443155992416,5cyclictest0-21swapper/222:30:162
443155992416,4cyclictest0-21swapper/220:45:252
443155992414,6cyclictest0-21swapper/219:55:252
443150992417,4cyclictest0-21swapper/123:20:231
443150992416,4cyclictest0-21swapper/100:00:001
443150992415,6cyclictest527939-21sed23:10:251
443145992420,2cyclictest13550irq/42-30be0000.ethernet20:34:330
443145992420,2cyclictest13550irq/42-30be0000.ethernet20:34:330
443145992418,3cyclictest0-21swapper/022:30:270
443145992418,3cyclictest0-21swapper/021:15:170
443145992417,4cyclictest550724-21idleruntime-cro00:20:010
443145992417,4cyclictest0-21swapper/022:50:000
443145992417,4cyclictest0-21swapper/021:55:250
443145992417,3cyclictest0-21swapper/023:10:250
443145992417,3cyclictest0-21swapper/022:55:260
443145992415,6cyclictest548988-21audit_send_reply00:15:010
443145992414,7cyclictest453864-21grep19:35:260
44314599241,21cyclictest0-21swapper/019:10:550
443155992317,3cyclictest0-21swapper/223:10:192
443155992317,3cyclictest0-21swapper/221:55:242
443155992316,5cyclictest489947-21kworker/u8:2+events_unbound21:41:332
443155992316,5cyclictest444624-21kworker/u8:1+events_unbound19:46:292
443155992316,4cyclictest0-21swapper/223:45:242
443155992316,4cyclictest0-21swapper/223:45:242
443155992316,4cyclictest0-21swapper/222:15:002
443155992315,4cyclictest0-21swapper/223:20:242
443150992317,3cyclictest0-21swapper/119:30:161
443150992316,4cyclictest522923-21grep22:55:241
443150992313,6cyclictest0-21swapper/123:30:241
443145992317,4cyclictest0-21swapper/020:25:220
443145992317,3cyclictest0-21swapper/020:40:000
443145992317,3cyclictest0-21swapper/000:30:220
443145992316,4cyclictest485252-1kworker/0:2H+mmc_complete22:10:000
443145992316,4cyclictest485252-1kworker/0:2H+mmc_complete22:10:000
443145992316,4cyclictest0-21swapper/020:00:260
443145992316,3cyclictest0-21swapper/023:51:320
443145992316,3cyclictest0-21swapper/023:19:500
44314599231,3cyclictest534434-21ntp_states23:30:200
44314599230,21cyclictest0-21swapper/020:13:580
443155992214,4cyclictest0-21swapper/219:50:262
443155992213,6cyclictest0-21swapper/223:00:172
443155992212,6cyclictest0-21swapper/222:20:152
44315099222,3cyclictest131rcu_preempt19:35:161
443150992216,3cyclictest0-21swapper/120:30:141
443150992216,3cyclictest0-21swapper/120:30:141
443150992215,5cyclictest507459-21kworker/u8:0+events_unbound22:26:411
443150992215,5cyclictest231ktimers/120:45:211
443150992215,4cyclictest539180-21fschecks_time23:45:181
443150992215,4cyclictest539180-21fschecks_time23:45:171
443150992215,4cyclictest538340-21unixbench_singl23:40:241
443150992212,7cyclictest525493-21cut23:05:171
443145992217,3cyclictest0-21swapper/021:45:120
443145992215,5cyclictest0-21swapper/022:45:000
443145992215,5cyclictest0-21swapper/020:43:530
443145992215,3cyclictest0-21swapper/022:27:540
44314599221,3cyclictest0-21swapper/021:05:460
44314599220,18cyclictest0-21swapper/019:31:400
44315599215,5cyclictest443505-21apt-get19:10:142
443155992115,4cyclictest4545612sleep219:40:102
443155992115,3cyclictest497561-21fschecks_count21:45:152
443155992115,3cyclictest0-21swapper/200:30:172
443155992114,4cyclictest463296-21fschecks_time20:05:172
443155992112,5cyclictest0-21swapper/223:25:242
443155992111,8cyclictest485266-21apt21:10:112
443155992111,6cyclictest0-21swapper/222:55:002
44315099211,9cyclictest0-21swapper/120:00:141
443150992112,5cyclictest0-21swapper/122:05:251
443150992112,5cyclictest0-21swapper/122:05:251
443150992111,7cyclictest487498-21ntpq21:15:211
443150992111,7cyclictest481204-21grep20:55:261
443145992114,3cyclictest0-21swapper/020:46:240
443145992114,3cyclictest0-21swapper/000:20:350
443155992013,4cyclictest311ktimers/220:40:192
443155992013,4cyclictest311ktimers/200:00:172
443155992010,7cyclictest471521-21date20:30:002
44315099202,13cyclictest467541-21grep20:15:241
443150992014,3cyclictest0-21swapper/119:45:201
443150992012,5cyclictest0-21swapper/120:20:191
443150992012,4cyclictest0-21swapper/121:40:281
443155991911,5cyclictest0-21swapper/200:35:262
44315099195,12cyclictest443138-21cyclictest22:40:111
443150991913,3cyclictest0-21swapper/120:40:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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