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2026-03-16 - 21:52

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 Mon Mar 16, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
266215995748,6cyclictest339217-21sendmail10:40:001
266215995139,7cyclictest360281-21fschecks_count11:40:171
266215995117,23cyclictest3143682cat09:25:191
266210995118,8cyclictest204-21dbus-daemon10:45:470
266225994839,6cyclictest297426-21grep08:35:263
266215994738,6cyclictest325560-21munin-plugin-st10:00:001
266215994738,6cyclictest325560-21munin-plugin-st10:00:001
266215994735,8cyclictest311937-21sendmail09:20:011
266225994636,5cyclictest377550-21chrt12:30:143
266225994636,5cyclictest377550-21chrt12:30:143
266225994434,7cyclictest335366-21grep10:25:253
266215994413,28cyclictest368845-21/usr/sbin/munin12:05:211
266210994433,8cyclictest121ktimers/011:25:120
266220994333,7cyclictest311ktimers/211:40:142
266215994335,5cyclictest346225-21cron11:00:001
26621599431,39cyclictest376746-21/usr/sbin/munin12:25:251
266215994233,6cyclictest320447-21cron09:45:011
26621599421,10cyclictest305344-21apt-get09:00:121
266210994232,6cyclictest290610-21grep08:15:270
26621599411,9cyclictest370554-21/usr/sbin/munin12:10:131
26621599411,8cyclictest316240-21/usr/sbin/munin09:30:231
26621599411,37cyclictest379408-21irqstats12:35:171
266215994110,26cyclictest291661-21grep08:20:201
26621599410,3cyclictest0-21swapper/112:15:131
266210994133,4cyclictest378848-21munin-plugin-st12:35:000
266210994133,4cyclictest378848-21munin-plugin-st12:34:590
266220994028,8cyclictest269725-21grep07:15:252
266215994032,5cyclictest323844-21cron09:55:001
26621599401,8cyclictest362839-21/usr/sbin/munin11:45:251
26621599401,8cyclictest271474-21/usr/sbin/munin07:20:251
26621599401,4cyclictest326248-21/usr/sbin/munin10:00:191
26621599401,3cyclictest0-21swapper/111:35:121
26621599401,3cyclictest0-21swapper/110:20:121
26621599401,2cyclictest356697-21apt-get11:30:121
26621599401,11cyclictest288138-21/usr/sbin/munin08:10:181
266210994032,4cyclictest0-21swapper/008:40:020
26621599392,9cyclictest347952-21/usr/sbin/munin11:05:011
26621599392,9cyclictest347952-21/usr/sbin/munin11:05:001
26621599392,32cyclictest330665-21cron10:15:011
26621599391,7cyclictest269195-21/usr/sbin/munin07:15:201
26621599391,5cyclictest377961-21/usr/sbin/munin12:30:211
26621599391,5cyclictest377961-21/usr/sbin/munin12:30:201
26621599391,4cyclictest279698-21/usr/sbin/munin07:45:221
26621599391,3cyclictest0-21swapper/112:20:111
26621599391,3cyclictest0-21swapper/110:30:131
26621599391,3cyclictest0-21swapper/109:20:121
26621599391,3cyclictest0-21swapper/107:55:111
26621599391,3cyclictest0-21swapper/107:55:111
26621599391,11cyclictest349994-21diskstats11:10:151
26621599391,10cyclictest293973-21/usr/sbin/munin08:25:271
26621599390,3cyclictest0-21swapper/110:25:111
266225993826,8cyclictest359858-21cron11:40:013
26621599382,4cyclictest280937-21df07:50:131
26621599382,3cyclictest363516-21apt-get11:50:111
26621599381,9cyclictest272101-21apt-get07:25:131
26621599381,5cyclictest278022-21/usr/sbin/munin07:40:251
26621599381,4cyclictest300129-21/usr/sbin/munin08:45:151
26621599381,4cyclictest290108-21/usr/sbin/munin08:15:221
26621599381,3cyclictest354999-21apt-get11:25:141
26621599381,3cyclictest0-21swapper/111:55:121
26621599381,3cyclictest0-21swapper/110:05:141
26621599381,3cyclictest0-21swapper/109:10:121
26621599381,3cyclictest0-21swapper/108:30:121
26621599381,32cyclictest342394-21head10:45:251
26621599381,13cyclictest318326-21head09:35:251
26621599381,10cyclictest287697-21apt-config08:10:011
26621599381,10cyclictest287697-21apt-config08:10:011
266225993728,6cyclictest0-21swapper/310:55:003
266220993727,5cyclictest0-21swapper/212:26:052
26621599371,5cyclictest307616-21ntp_states09:05:231
26621599371,4cyclictest348779-21/usr/sbin/munin11:05:211
26621599371,4cyclictest331009-21df10:15:131
26621599371,4cyclictest303732-21/usr/sbin/munin08:55:131
26621599371,3cyclictest275498-21/usr/sbin/munin07:35:271
26621599371,3cyclictest0-21swapper/110:50:121
26621599371,3cyclictest0-21swapper/107:10:121
26621599371,31cyclictest351572-21apt-get11:15:101
26621599371,10cyclictest353584-21if_eth011:20:161
26621599370,3cyclictest0-21swapper/108:40:121
266210993727,7cyclictest292301-21grep08:20:250
266210993725,8cyclictest0-21swapper/010:40:000
266225993629,4cyclictest0-21swapper/309:00:013
266220993628,4cyclictest366719-21idleruntime-cro12:00:002
266220993628,4cyclictest0-21swapper/212:10:202
26621599362,5cyclictest366685-21apt-get12:00:061
26621599362,3cyclictest339656-21apt-get10:40:131
26621599361,6cyclictest296485-21df08:35:131
26621599361,5cyclictest320740-21cpuspeed09:45:131
26621599361,4cyclictest273916-21diskstats07:30:151
266210993628,5cyclictest0-21swapper/008:10:180
266210993626,6cyclictest0-21swapper/010:00:000
266210993626,6cyclictest0-21swapper/010:00:000
266225993524,7cyclictest269724-21grep07:15:263
266220993528,4cyclictest378850-21idleruntime-cro12:34:592
266220993528,4cyclictest378850-21idleruntime-cro12:34:592
266220993518,14cyclictest32-21ksoftirqd/211:15:102
26621599351,4cyclictest301921-21/usr/sbin/munin08:50:181
26621599350,3cyclictest0-21swapper/108:00:141
266210993528,4cyclictest0-21swapper/012:20:000
266210993524,7cyclictest299304-21grep08:40:250
266225993426,5cyclictest3668292sleep312:00:003
266220993424,8cyclictest361235-21kworker/u8:3+events_unbound12:06:032
266225993325,4cyclictest0-21swapper/312:15:163
266225993324,4cyclictest0-21swapper/309:45:253
266220993325,4cyclictest0-21swapper/211:10:262
266220993325,4cyclictest0-21swapper/210:20:002
266220993324,6cyclictest0-21swapper/207:50:252
266220993322,7cyclictest301064-21grep08:45:262
266220993315,15cyclictest32-21ksoftirqd/207:20:132
266225993222,7cyclictest0-21swapper/312:40:003
266225993221,8cyclictest391ktimers/311:10:133
266220993225,3cyclictest0-21swapper/207:25:262
266220993222,6cyclictest0-21swapper/211:20:252
266220993215,5cyclictest131rcu_preempt09:00:012
266210993224,4cyclictest0-21swapper/007:55:250
266210993224,4cyclictest0-21swapper/007:55:250
266210993222,6cyclictest0-21swapper/011:46:000
26621099321,27cyclictest0-21swapper/007:10:120
266225993124,4cyclictest0-21swapper/310:10:263
266225993121,7cyclictest341123-21auditctl10:45:003
266225993121,6cyclictest0-21swapper/312:00:253
266225993121,6cyclictest0-21swapper/309:55:253
266225993121,6cyclictest0-21swapper/309:55:243
266220993123,5cyclictest297428-21unixbench_singl08:35:252
266220993118,9cyclictest283536-21grep07:55:262
266220993118,9cyclictest283536-21grep07:55:262
266225993024,4cyclictest308522-21munin-plugin-st09:10:003
266225993022,4cyclictest0-21swapper/312:05:143
266225993019,8cyclictest332385-21idleruntime-cro10:20:013
266225993016,10cyclictest391ktimers/311:25:123
266220993023,4cyclictest327235-21kworker/u8:0+events_unbound10:30:172
266220993023,4cyclictest0-21swapper/207:10:162
266220993022,4cyclictest0-21swapper/210:25:252
266220993021,6cyclictest346657-21fschecks_time11:00:152
266220993021,6cyclictest346657-21fschecks_time11:00:152
266220993021,6cyclictest0-21swapper/210:10:252
266220993020,7cyclictest0-21swapper/208:45:022
266220993020,6cyclictest0-21swapper/208:30:012
266220993019,5cyclictest368147-21unixbench_multi12:00:252
266210993020,5cyclictest0-21swapper/011:10:540
266210993019,7cyclictest0-21swapper/007:50:250
266225992922,4cyclictest0-21swapper/310:40:003
266225992921,5cyclictest315625-21sort09:30:133
266225992919,6cyclictest0-21swapper/311:55:003
266225992919,6cyclictest0-21swapper/308:25:263
266220992922,5cyclictest361235-21kworker/u8:3+events_unbound12:21:062
266220992919,7cyclictest319971-21grep09:40:252
266220992917,8cyclictest345739-21grep10:55:242
266210992923,3cyclictest0-21swapper/010:25:250
266210992921,4cyclictest0-21swapper/011:00:000
266210992920,4cyclictest0-21swapper/010:15:400
266225992822,4cyclictest290561-21unixbench_multi08:15:263
266225992821,5cyclictest303321-21kworker/u8:2+events_unbound09:10:243
266225992821,4cyclictest0-21swapper/308:50:253
266225992820,4cyclictest0-21swapper/309:20:003
266225992820,4cyclictest0-21swapper/307:55:253
266225992820,4cyclictest0-21swapper/307:55:253
266220992821,3cyclictest0-21swapper/209:00:152
266220992819,5cyclictest0-21swapper/211:50:252
266220992818,6cyclictest0-21swapper/209:30:262
26621099285,4cyclictest3143682cat09:25:200
266210992821,3cyclictest0-21swapper/011:20:000
266210992818,7cyclictest293162-21tune2fs08:25:160
266210992818,6cyclictest0-21swapper/007:35:250
266225992721,4cyclictest346824-21kworker/u8:1+events_unbound11:00:543
266225992721,4cyclictest346824-21kworker/u8:1+events_unbound11:00:543
266225992719,4cyclictest0-21swapper/312:20:243
266225992718,6cyclictest301066-21unixbench_singl08:45:253
266225992716,8cyclictest333628-21grep10:20:253
266220992721,4cyclictest336573-21kworker/u8:3+events_unbound10:35:232
266220992721,4cyclictest276740-21kworker/u8:1+events_unbound08:10:202
266220992720,5cyclictest311810-21kworker/u8:1+events_unbound09:55:412
266220992720,5cyclictest311810-21kworker/u8:1+events_unbound09:55:402
266220992720,4cyclictest0-21swapper/207:45:012
266220992719,5cyclictest0-21swapper/210:10:002
266220992719,5cyclictest0-21swapper/209:15:002
266220992718,6cyclictest362222-21cat11:45:192
266220992716,8cyclictest286053-21df08:05:132
266220992716,8cyclictest286053-21df08:05:132
266225992620,3cyclictest0-21swapper/311:25:003
266225992620,3cyclictest0-21swapper/309:50:153
266225992620,3cyclictest0-21swapper/307:35:253
266225992617,7cyclictest0-21swapper/312:25:103
266225992617,5cyclictest346256-21sendmail-msp11:00:003
266225992615,6cyclictest0-21swapper/308:10:013
266225992615,6cyclictest0-21swapper/308:10:013
26622599261,12cyclictest0-21swapper/308:30:143
266220992618,3cyclictest318772-21kworker/u8:309:40:012
266210992620,3cyclictest0-21swapper/009:15:140
266210992619,5cyclictest279503-21kernelversion07:45:200
266210992619,4cyclictest13550irq/42-30be0000.ethernet09:00:010
266210992618,4cyclictest0-21swapper/011:31:000
266210992617,5cyclictest0-21swapper/010:15:020
266210992612,10cyclictest121ktimers/012:20:110
266225992519,4cyclictest344424-21kworker/u8:2-ext4-rsv-conversion11:10:013
266225992519,4cyclictest325909-21df10:00:143
266225992518,5cyclictest0-21swapper/311:45:163
266225992518,4cyclictest0-21swapper/307:20:253
266225992517,5cyclictest0-21swapper/311:15:233
266225992517,5cyclictest0-21swapper/308:40:163
266225992517,5cyclictest0-21swapper/307:45:273
266220992519,3cyclictest0-21swapper/210:50:202
266220992518,3cyclictest0-21swapper/208:50:342
266220992517,5cyclictest0-21swapper/209:20:002
266220992516,5cyclictest0-21swapper/208:30:242
266220992516,5cyclictest0-21swapper/208:20:162
266220992513,8cyclictest204-21dbus-daemon07:45:062
26621099253,3cyclictest3647322sh11:52:000
266210992519,3cyclictest0-21swapper/009:10:010
266210992518,4cyclictest0-21swapper/009:20:270
266210992518,3cyclictest0-21swapper/007:45:020
266210992516,6cyclictest339795-21fschecks_count10:40:170
26621099251,20cyclictest0-21swapper/012:28:240
26621099251,20cyclictest0-21swapper/009:43:440
26621099251,20cyclictest0-21swapper/007:31:460
266225992418,3cyclictest0-21swapper/308:10:183
266225992417,5cyclictest311810-21kworker/u8:1+events_unbound10:45:213
266220992419,3cyclictest0-21swapper/210:45:152
266220992418,4cyclictest294199-21kworker/u8:0+events_unbound09:05:382
266220992418,3cyclictest0-21swapper/211:25:172
266220992418,3cyclictest0-21swapper/208:15:242
266220992417,5cyclictest375281-21kworker/u8:0+events_unbound12:36:072
266220992417,4cyclictest0-21swapper/211:05:152
266220992415,6cyclictest339791-21fschecks_count10:40:162
266220992414,6cyclictest313634-21sh09:25:002
26621099243,19cyclictest0-21swapper/012:07:450
26621099242,5cyclictest287406-21cron08:10:010
26621099242,5cyclictest287406-21cron08:10:000
266210992418,3cyclictest0-21swapper/011:05:010
266210992418,3cyclictest0-21swapper/011:05:000
266210992418,2cyclictest0-21swapper/007:15:100
266210992417,4cyclictest270608-21fschecks_time07:20:160
266210992417,3cyclictest0-21swapper/008:53:410
266210992417,3cyclictest0-21swapper/008:00:270
266210992416,5cyclictest13850irq/36-mmc109:55:010
266210992412,8cyclictest13550irq/42-30be0000.ethernet07:25:120
26621099241,19cyclictest0-21swapper/012:02:590
26621099241,19cyclictest0-21swapper/011:24:520
26621099241,19cyclictest0-21swapper/010:08:000
266225992317,3cyclictest0-21swapper/309:40:003
266225992317,3cyclictest0-21swapper/307:30:213
266225992317,3cyclictest0-21swapper/307:25:243
266225992316,5cyclictest276740-21kworker/u8:1+events_unbound07:40:073
266220992318,2cyclictest0-21swapper/207:30:132
266220992314,7cyclictest314067-21cut09:25:152
266220992313,7cyclictest438-21cron09:55:002
266210992318,3cyclictest13550irq/42-30be0000.ethernet10:20:210
266210992316,4cyclictest0-21swapper/011:10:010
266210992316,3cyclictest0-21swapper/011:41:540
266210992313,6cyclictest366701-21basename12:00:000
266210992313,6cyclictest0-21swapper/009:35:250
26621099231,20cyclictest0-21swapper/010:04:170
26621099231,20cyclictest0-21swapper/009:00:100
26621099231,18cyclictest0-21swapper/009:47:230
26621099230,19cyclictest0-21swapper/012:37:460
26621099230,19cyclictest0-21swapper/008:47:090
266225992216,4cyclictest327235-21kworker/u8:0+events_unbound10:30:133
266225992214,5cyclictest0-21swapper/307:10:273
26622599221,3cyclictest314492-21ps09:25:223
266225992213,6cyclictest328491-21grep10:05:263
266225992213,6cyclictest313653-21basename09:25:003
266225992213,6cyclictest0-21swapper/311:40:273
266220992217,3cyclictest0-21swapper/207:35:172
266220992216,3cyclictest0-21swapper/208:00:272
266220992215,3cyclictest0-21swapper/211:30:222
266220992214,5cyclictest311ktimers/209:45:132
266220992212,7cyclictest358821-21cat11:35:172
266210992216,3cyclictest13550irq/42-30be0000.ethernet08:30:140
266210992216,3cyclictest0-21swapper/010:30:130
266210992215,3cyclictest0-21swapper/009:10:360
26621099220,18cyclictest0-21swapper/010:51:090
266225992115,4cyclictest306069-21mailstats09:00:243
266225992114,3cyclictest0-21swapper/312:11:033
266225992113,5cyclictest391ktimers/308:00:163
266225992113,5cyclictest0-21swapper/309:40:253
266220992114,5cyclictest311ktimers/210:00:202
266210992114,5cyclictest178-21systemd-udevd12:14:400
266225992011,6cyclictest356787-21/usr/sbin/munin11:30:133
266225991911,4cyclictest292349-21head08:20:263
266225991910,6cyclictest281062-21grep07:50:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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