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2026-06-20 - 22:33

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 Sat Jun 20, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1854299491,38cyclictest0-21swapper/211:50:132
1854299481,37cyclictest0-21swapper/211:15:112
1854299480,39cyclictest0-21swapper/208:55:132
1854299471,28cyclictest107461-21ntp_states11:25:202
18542994639,4cyclictest130536-21munin-plugin-st12:35:012
1854299460,36cyclictest0-21swapper/211:20:122
18539994535,7cyclictest63612-21grep09:20:001
18536994517,3cyclictest0-21swapper/010:25:170
1854299441,38cyclictest40024-21/usr/sbin/munin08:10:152
18539994433,7cyclictest0-21swapper/109:05:011
1853699441,5cyclictest132462-21awk12:39:590
18546994334,6cyclictest98376-21fschecks_time11:00:153
1854299431,39cyclictest38386-21/usr/sbin/munin08:05:162
1854299431,37cyclictest62442-21if_eth109:15:182
1854299431,37cyclictest127472-21/usr/sbin/munin12:25:132
18539994333,7cyclictest43153-21sendmail08:20:001
18536994325,14cyclictest73842-21auditctl09:50:010
1853699432,12cyclictest43162-21sendmail-msp08:19:590
18536994317,22cyclictest0-21swapper/011:15:140
1853699430,19cyclictest0-21swapper/008:25:160
1854299422,35cyclictest36361-21apt-get08:00:152
1854299421,36cyclictest113842-21/usr/sbin/munin11:45:132
1854299421,35cyclictest43382-21apt-get08:20:122
18536994216,2cyclictest0-21swapper/008:07:530
18536994215,3cyclictest62894-21sh09:15:240
18546994133,4cyclictest77443-21cron10:00:003
18546994131,5cyclictest0-21swapper/308:30:143
18542994132,5cyclictest100024-21cut11:05:162
18542994132,5cyclictest100024-21cut11:05:152
18542994130,8cyclictest311ktimers/209:40:142
1854299411,37cyclictest81712-21/usr/sbin/munin10:10:232
1854299411,37cyclictest42193-21/usr/sbin/munin08:15:212
1854299411,37cyclictest113088-21/usr/sbin/munin11:40:272
1854299411,36cyclictest23056-21/usr/sbin/munin07:20:182
1854299411,35cyclictest79403-21munin-node10:05:122
1854299411,35cyclictest73532-21sshd09:46:162
1854299411,35cyclictest122366-21/usr/sbin/munin12:10:152
1854299411,35cyclictest122366-21/usr/sbin/munin12:10:152
1854299410,34cyclictest50205-21apt-get08:40:132
18536994134,4cyclictest37828-21munin-plugin-st08:05:010
18536994116,3cyclictest0-21swapper/012:10:150
18536994116,3cyclictest0-21swapper/012:10:140
18536994115,4cyclictest13550irq/42-30be0000.ethernet08:50:200
1853699411,3cyclictest75975-21apt-get09:55:060
1853699411,18cyclictest69522-21ntp_states09:35:210
1854299402,36cyclictest109138-21/usr/sbin/munin11:30:202
18542994019,18cyclictest0-21swapper/208:25:222
18542994017,18cyclictest0-21swapper/210:25:192
1854299401,36cyclictest98707-21/usr/sbin/munin11:00:212
1854299401,36cyclictest66768-21cron09:27:002
1854299401,36cyclictest66768-21cron09:26:592
1854299401,36cyclictest59433-21/usr/sbin/munin09:05:242
1854299401,36cyclictest30260-21/usr/sbin/munin07:40:252
1854299401,36cyclictest26113-21/usr/sbin/munin07:30:262
1854299401,35cyclictest89757-21/usr/sbin/munin10:35:162
18539994031,5cyclictest68715-21cron09:35:001
18536994032,4cyclictest0-21swapper/008:40:010
18536994016,3cyclictest0-21swapper/009:05:220
18536994015,2cyclictest0-21swapper/011:35:180
1853699401,20cyclictest0-21swapper/012:05:240
18536994011,5cyclictest0-21swapper/012:30:230
18536994010,5cyclictest0-21swapper/009:40:180
18546993924,11cyclictest391ktimers/310:10:133
1854299392,33cyclictest48934-21load08:35:202
18542993922,14cyclictest0-21swapper/210:45:242
1854299391,35cyclictest75450-21cron09:54:002
1854299391,35cyclictest69762-21/usr/sbin/munin09:35:252
1854299391,35cyclictest47345-21/usr/sbin/munin08:30:202
1854299391,35cyclictest124458-21/usr/sbin/munin12:15:192
1854299391,35cyclictest120074-21sshd12:02:162
1854299391,34cyclictest91341-21/usr/sbin/munin10:40:102
1854299391,33cyclictest78158-21/usr/sbin/munin10:00:212
1854299391,33cyclictest33026-21/usr/sbin/munin07:50:142
1854299391,33cyclictest31995-21/usr/sbin/munin07:45:252
1854299391,33cyclictest126224-21/usr/sbin/munin12:20:202
18539993928,7cyclictest22853-21grep07:20:161
1853699399,5cyclictest105999-21unixbench_multi11:20:240
1854299382,33cyclictest58261-21sshd09:02:162
1854299382,33cyclictest34976-21/usr/sbin/munin07:55:182
1854299381,34cyclictest94744-21apt-get10:50:132
1854299381,34cyclictest89219-21cron10:33:012
1854299381,34cyclictest67610-21/usr/sbin/munin09:30:202
1854299381,34cyclictest64071-21grep09:20:152
1854299381,34cyclictest52363-21meminfo08:45:202
1854299381,34cyclictest29210-21sshd07:39:172
1854299381,34cyclictest117565-21/usr/sbin/munin11:55:192
1854299381,33cyclictest83143-21irqstats10:15:172
1854299381,32cyclictest96445-21apt-get10:55:132
1854299381,32cyclictest55210-21latency_hist08:55:012
18542993813,22cyclictest21357-21cut07:15:192
1854299381,31cyclictest101562-21apt-get11:10:132
18542993811,25cyclictest18691-21/usr/sbin/munin07:10:192
18536993831,4cyclictest22460-21cron07:20:000
18536993826,9cyclictest121ktimers/007:10:130
18536993812,6cyclictest121ktimers/007:30:230
18536993812,3cyclictest0-21swapper/011:25:130
18546993728,5cyclictest20159-21sh07:15:013
18546993727,5cyclictest0-21swapper/308:15:163
18546993726,7cyclictest37813-21sh08:05:013
18546993725,7cyclictest0-21swapper/307:20:253
1854299372,32cyclictest76075-21/usr/sbin/munin09:55:142
18542993719,14cyclictest0-21swapper/212:05:262
1854299371,33cyclictest84524-21munin-node10:20:122
1854299371,33cyclictest61467-21/usr/sbin/munin09:10:252
1854299371,33cyclictest131728-21sensors_temp12:35:242
1854299371,31cyclictest24534-21df_inode07:25:152
1854299371,31cyclictest110747-21memory11:35:192
18539993729,4cyclictest37431-21unixbench_singl08:00:301
18536993730,4cyclictest0-21swapper/012:20:000
18546993628,4cyclictest0-21swapper/310:40:003
18546993626,6cyclictest0-21swapper/310:30:013
18539993628,4cyclictest0-21swapper/111:10:151
18536993612,2cyclictest0-21swapper/007:55:210
18546993527,4cyclictest0-21swapper/309:15:153
18546993525,5cyclictest0-21swapper/311:40:013
18546993525,4cyclictest0-21swapper/307:30:263
18546993523,5cyclictest0-21swapper/309:39:593
18539993528,5cyclictest111773-21munin-plugin-st11:40:011
18539993523,8cyclictest0-21swapper/109:35:261
18536993528,4cyclictest67447-21fschecks_time09:30:170
18536993514,4cyclictest121ktimers/012:29:030
18546993426,5cyclictest391ktimers/311:40:143
18546993425,5cyclictest123711-21idleruntime-cro12:15:003
18546993425,5cyclictest123711-21idleruntime-cro12:15:003
18539993424,7cyclictest438-21cron10:50:011
18539993424,6cyclictest0-21swapper/112:25:001
18539993423,7cyclictest0-21swapper/111:45:001
18539993423,7cyclictest0-21swapper/111:00:261
18539993423,7cyclictest0-21swapper/110:10:261
18539993423,7cyclictest0-21swapper/108:05:261
18539993422,7cyclictest0-21swapper/111:55:261
18536993416,2cyclictest0-21swapper/011:53:060
1853699340,18cyclictest0-21swapper/007:36:410
18546993325,4cyclictest0-21swapper/311:55:253
18546993325,4cyclictest0-21swapper/310:50:263
18546993324,6cyclictest204-21dbus-daemon09:30:263
18546993324,5cyclictest52958-21grep08:45:253
18546993324,4cyclictest0-21swapper/311:30:263
18546993323,5cyclictest0-21swapper/311:00:003
18546993321,8cyclictest126724-21grep12:20:253
18539993326,4cyclictest132442-21cron12:39:591
18539993319,10cyclictest130540-21basename12:35:001
18536993323,6cyclictest32223-21grep07:45:250
18536993323,6cyclictest0-21swapper/008:20:120
18536993314,3cyclictest66289-21sendmail_mailtr09:25:250
18536993314,3cyclictest66289-21sendmail_mailtr09:25:250
1853699331,19cyclictest0-21swapper/008:46:530
18546993224,4cyclictest0-21swapper/309:20:253
18546993223,4cyclictest0-21swapper/309:10:163
18546993221,7cyclictest0-21swapper/309:55:013
18536993225,3cyclictest0-21swapper/009:05:010
18536993224,4cyclictest0-21swapper/011:45:010
18536993213,4cyclictest121ktimers/007:26:120
1854699318,4cyclictest779082cut10:00:163
18546993123,4cyclictest0-21swapper/312:35:013
18546993123,4cyclictest0-21swapper/312:25:243
18546993117,11cyclictest391ktimers/308:35:143
18539993123,4cyclictest0-21swapper/107:30:011
18539993122,6cyclictest0-21swapper/107:35:011
18539993122,5cyclictest15234-21kworker/u8:4-ext4-rsv-conversion07:20:011
18539993121,6cyclictest32694-21cron07:50:011
18536993120,6cyclictest0-21swapper/011:05:390
18536993120,6cyclictest0-21swapper/011:05:390
18536993116,2cyclictest0-21swapper/007:24:300
18536993114,3cyclictest0-21swapper/011:14:390
18546993021,5cyclictest58056-21unixbench_multi09:00:253
18546993021,5cyclictest125409-21sendmail12:19:593
18546993020,6cyclictest0-21swapper/307:25:273
18546993019,7cyclictest0-21swapper/310:20:263
18539993022,4cyclictest104744-21sendmail11:19:591
18539993019,8cyclictest119882-21grep12:00:261
18539993019,7cyclictest0-21swapper/108:45:261
1853699300,28cyclictest0-21swapper/010:30:110
18546992921,4cyclictest0-21swapper/309:45:243
18546992920,5cyclictest0-21swapper/307:55:253
18546992910,12cyclictest1-21systemd09:40:253
18539992921,5cyclictest0-21swapper/108:10:251
18539992919,7cyclictest56773-21auditctl09:00:011
18536992920,6cyclictest0-21swapper/010:25:010
18546992819,6cyclictest0-21swapper/310:15:173
18539992821,4cyclictest0-21swapper/109:20:251
18539992820,5cyclictest35963-21kworker/u8:3+events_unbound10:30:321
18539992819,6cyclictest0-21swapper/108:20:261
18536992820,4cyclictest75554-21munin-plugin-st09:55:010
18536992818,6cyclictest56768-21cron09:00:010
1854699272,16cyclictest104763-21sendmail-msp11:20:003
18546992720,5cyclictest391ktimers/312:35:053
18546992719,4cyclictest0-21swapper/308:25:283
18546992718,7cyclictest391ktimers/311:25:103
18546992718,5cyclictest88930-21tail10:30:253
18546992718,4cyclictest122006-21idleruntime-cro12:10:003
18546992716,7cyclictest44386-21grep08:20:253
18546992715,8cyclictest0-21swapper/307:35:273
18546992713,9cyclictest204-21dbus-daemon07:40:063
18539992718,5cyclictest0-21swapper/109:59:591
18539992716,6cyclictest0-21swapper/112:25:521
18546992619,5cyclictest99415-21kworker/u8:3+events_unbound11:05:403
18546992619,5cyclictest99415-21kworker/u8:3+events_unbound11:05:393
18546992619,3cyclictest0-21swapper/310:05:263
18539992620,3cyclictest0-21swapper/108:50:211
18539992619,4cyclictest0-21swapper/109:10:251
18539992618,4cyclictest0-21swapper/111:30:261
18539992617,6cyclictest60226-21ls09:10:001
18539992616,7cyclictest0-21swapper/109:45:241
1853699262,5cyclictest977292sleep010:57:520
18536992620,3cyclictest13850irq/36-mmc112:00:000
18536992616,6cyclictest0-21swapper/010:40:150
18546992518,4cyclictest54139-21ntpq08:50:203
18546992516,4cyclictest0-21swapper/311:10:163
18546992515,6cyclictest0-21swapper/309:00:013
18539992519,3cyclictest0-21swapper/107:50:251
18539992518,4cyclictest0-21swapper/110:15:171
18539992518,3cyclictest0-21swapper/107:55:241
18539992517,5cyclictest0-21swapper/108:25:231
18539992516,6cyclictest0-21swapper/108:30:261
18539992516,5cyclictest0-21swapper/111:20:251
18539992515,6cyclictest0-21swapper/108:40:001
18536992518,3cyclictest0-21swapper/009:20:230
18536992517,4cyclictest0-21swapper/010:15:260
18536992514,7cyclictest204-21dbus-daemon10:50:360
1853699251,11cyclictest48453-21latency_hist08:35:020
18546992417,4cyclictest106481-21latency_hist11:25:003
18546992417,4cyclictest0-21swapper/307:55:003
18546992415,6cyclictest391ktimers/310:45:243
18539992415,6cyclictest0-21swapper/111:55:001
18536992418,3cyclictest81224-21diskstats10:10:160
18536992417,4cyclictest99625-21cron11:04:590
18536992417,4cyclictest13850irq/36-mmc112:25:000
18536992417,3cyclictest0-21swapper/007:54:120
1853699241,19cyclictest0-21swapper/011:48:010
18546992318,3cyclictest118273-21kworker/u8:0+events_unbound12:00:513
18546992315,4cyclictest0-21swapper/311:54:593
18546992315,4cyclictest0-21swapper/308:05:203
18539992317,3cyclictest0-21swapper/111:25:221
18539992317,3cyclictest0-21swapper/110:05:181
18539992316,3cyclictest0-21swapper/107:40:261
18539992315,5cyclictest0-21swapper/109:40:171
18539992315,4cyclictest0-21swapper/111:05:251
18539992315,4cyclictest0-21swapper/111:05:251
18539992315,3cyclictest0-21swapper/110:20:231
18539992313,6cyclictest0-21swapper/107:40:001
18536992317,3cyclictest0-21swapper/007:40:170
18536992315,5cyclictest0-21swapper/010:00:250
18536992314,5cyclictest0-21swapper/010:35:150
1853699230,19cyclictest0-21swapper/010:47:150
18546992214,4cyclictest0-21swapper/309:30:003
18546992214,4cyclictest0-21swapper/309:30:003
18539992214,6cyclictest231ktimers/108:40:201
18539992212,6cyclictest0-21swapper/109:50:251
18539992211,8cyclictest94862-21diskstats10:50:151
1853699221,19cyclictest0-21swapper/012:00:120
1853699220,18cyclictest0-21swapper/008:41:100
18546992116,3cyclictest40202-21fschecks_time08:10:183
18546992113,4cyclictest0-21swapper/310:45:013
18546992111,6cyclictest0-21swapper/309:05:263
18539992115,3cyclictest0-21swapper/110:35:221
18539992112,6cyclictest96539-21ls10:55:141
18539992112,6cyclictest0-21swapper/111:45:141
1853999211,13cyclictest0-21swapper/112:12:401
1853999211,13cyclictest0-21swapper/112:12:391
1853699218,9cyclictest204-21dbus-daemon10:05:270
1853699211,3cyclictest0-21swapper/008:10:160
18546992014,3cyclictest0-21swapper/311:45:173
18546992013,4cyclictest51245-21grep08:40:263
18539992013,5cyclictest231ktimers/110:25:201
18539992012,4cyclictest0-21swapper/110:40:151
18536992011,6cyclictest108818-21fschecks_time11:30:170
18539991910,5cyclictest231ktimers/110:00:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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