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2026-07-29 - 22:19

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 Wed Jul 29, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3258217996150,7cyclictest3324415-21auditctl10:20:000
3258226995038,8cyclictest3296720-21sendmail09:00:012
3258217995024,5cyclictest3263867-21cron07:25:010
3258217994638,4cyclictest0-21swapper/007:15:010
3258230994538,4cyclictest3326147-21munin-plugin-st10:25:003
3258221994537,5cyclictest3259954-21munin-plugin-st07:15:011
3258217994532,10cyclictest121ktimers/012:00:140
3258230994333,5cyclictest0-21swapper/308:00:003
325821799431,4cyclictest0-21swapper/009:15:120
3258221994234,5cyclictest3344878-21cron11:20:011
3258230994133,5cyclictest3370896-21audit_send_reply12:35:003
3258226994133,5cyclictest3324406-21cron10:20:002
3258226994130,7cyclictest0-21swapper/209:40:002
3258217994132,4cyclictest0-21swapper/008:03:210
3258230994028,8cyclictest3338079-21idleruntime-cro11:00:003
3258221994032,5cyclictest3263865-21cron07:25:011
3258230993930,5cyclictest3351707-21auditctl11:40:003
3258221993930,5cyclictest3345515-21latency11:20:201
3258221993927,8cyclictest0-21swapper/109:50:001
3258217993928,7cyclictest0-21swapper/010:55:000
3258217993928,7cyclictest0-21swapper/010:55:000
3258217993925,10cyclictest121ktimers/011:40:120
3258230993827,6cyclictest0-21swapper/307:33:143
3258221993828,5cyclictest0-21swapper/108:45:251
3258230993729,4cyclictest0-21swapper/311:55:163
3258221993728,5cyclictest0-21swapper/111:45:001
3258217993731,3cyclictest0-21swapper/010:50:000
3258230993628,4cyclictest3293090-21munin-plugin-st08:50:003
3258230993627,6cyclictest3360324-21latency_hist12:05:003
3258230993624,9cyclictest3342762-21grep11:10:273
325823099361,11cyclictest33529662grep11:40:253
3258226993628,4cyclictest0-21swapper/207:15:012
3258226993627,6cyclictest0-21swapper/207:45:012
3258221993627,6cyclictest3339775-21sh11:05:001
3258217993628,4cyclictest3319322-21munin-plugin-st10:05:010
3258217993627,5cyclictest3344878-21cron11:20:010
3258230993519,11cyclictest3260232-21nfs4_client07:15:023
3258226993528,4cyclictest0-21swapper/207:50:012
3258226993526,5cyclictest0-21swapper/210:40:002
3258221993528,4cyclictest0-21swapper/108:35:161
3258221993527,4cyclictest0-21swapper/112:00:001
3258217993518,13cyclictest11-21ksoftirqd/007:30:190
3258230993427,5cyclictest3300047-21kworker/u8:2+events_unbound09:29:403
3258230993425,5cyclictest0-21swapper/309:40:253
3258230993423,7cyclictest0-21swapper/312:05:153
3258226993423,6cyclictest3365978-21fschecks_count12:20:162
3258221993426,5cyclictest3269610-21runrttasks07:40:171
3258221993425,5cyclictest0-21swapper/111:05:261
3258217993427,4cyclictest3351699-21cron11:40:000
3258217993426,4cyclictest0-21swapper/012:20:160
3258217993426,4cyclictest0-21swapper/007:25:170
3258217993422,9cyclictest121ktimers/011:25:130
3258230993326,5cyclictest3277702-21kworker/u8:1+events_unbound08:06:413
3258230993325,5cyclictest0-21swapper/312:10:263
3258230993324,6cyclictest3323991-21unixbench_singl10:15:263
3258230993324,6cyclictest0-21swapper/312:25:013
3258230993323,6cyclictest0-21swapper/310:05:273
3258226993325,4cyclictest0-21swapper/211:15:012
3258226993325,4cyclictest0-21swapper/209:23:382
3258226993323,6cyclictest0-21swapper/212:10:002
3258226993321,8cyclictest311ktimers/208:30:132
3258221993327,3cyclictest0-21swapper/109:40:131
3258221993326,4cyclictest3331248-21cron10:40:001
3258221993325,4cyclictest0-21swapper/111:10:181
3258217993318,12cyclictest11-21ksoftirqd/010:10:120
3258230993226,4cyclictest3348525-21kworker/u8:0+events_unbound11:32:423
3258230993224,4cyclictest0-21swapper/310:45:243
3258230993224,4cyclictest0-21swapper/307:40:263
3258230993223,5cyclictest0-21swapper/311:05:163
3258226993226,4cyclictest3298426-21munin-plugin-st09:05:012
3258226993226,3cyclictest0-21swapper/212:35:152
3258221993224,4cyclictest0-21swapper/109:25:161
3258221993223,5cyclictest3337650-21unixbench_singl10:55:251
3258217993225,4cyclictest3269198-21munin-plugin-st07:40:010
3258217993224,4cyclictest0-21swapper/010:55:250
3258217993222,7cyclictest3317385-21sendmail10:00:000
3258217993222,7cyclictest3306943-21latency_hist09:30:010
3258230993123,5cyclictest3312050-21kworker/u8:0+events_unbound09:55:153
3258230993123,5cyclictest0-21swapper/308:50:263
3258230993122,5cyclictest0-21swapper/310:40:243
3258230993122,5cyclictest0-21swapper/308:25:173
3258230993121,6cyclictest3339789-21cut11:05:003
3258226993124,4cyclictest3317378-21apt-get10:00:002
3258221993123,4cyclictest0-21swapper/109:35:171
3258217993125,3cyclictest0-21swapper/009:50:000
3258217993123,4cyclictest0-21swapper/008:10:250
3258217993122,6cyclictest3300123-21munin-plugin-st09:10:010
3258217993120,6cyclictest0-21swapper/012:10:260
3258217993111,5cyclictest3329532-21sh10:35:000
3258230993022,4cyclictest0-21swapper/310:25:153
3258230993021,6cyclictest53-21kcompactd009:35:003
3258230993019,7cyclictest3277321-21grep08:00:263
3258230993019,6cyclictest3347020-21fschecks_time11:25:173
3258230993019,6cyclictest3268742-21tail07:35:263
3258226993022,6cyclictest3284195-21kworker/u8:0+events_unbound08:23:282
3258226993022,5cyclictest0-21swapper/212:25:262
3258226993020,5cyclictest0-21swapper/211:20:272
3258221993022,5cyclictest3268859-21kworker/u8:1+events_unbound07:53:191
3258221993022,4cyclictest0-21swapper/109:15:241
3258217993024,3cyclictest0-21swapper/009:40:000
3258217993023,3cyclictest0-21swapper/008:25:010
3258217993023,3cyclictest0-21swapper/007:20:000
3258217993020,6cyclictest0-21swapper/011:00:270
3258217993019,7cyclictest3311598-21grep09:40:250
3258230992919,7cyclictest3263417-21grep07:20:273
3258230992919,7cyclictest0-21swapper/308:15:263
3258226992923,3cyclictest0-21swapper/210:05:262
3258226992923,3cyclictest0-21swapper/209:20:012
3258226992922,4cyclictest3299652-21unixbench_multi09:05:262
3258226992922,4cyclictest0-21swapper/212:20:012
3258226992922,4cyclictest0-21swapper/208:50:262
3258226992922,3cyclictest0-21swapper/207:40:012
3258226992921,5cyclictest0-21swapper/209:50:162
3258226992919,6cyclictest0-21swapper/212:10:262
325822199295,4cyclictest33074352if_err_eth009:30:181
3258221992921,4cyclictest0-21swapper/111:55:001
3258221992916,9cyclictest3317396-21basename10:00:001
3258217992922,3cyclictest0-21swapper/012:30:270
3258217992914,10cyclictest204-21dbus-daemon11:34:010
3258230992821,4cyclictest0-21swapper/311:45:273
3258230992819,6cyclictest3368418-21find12:25:243
3258230992818,5cyclictest0-21swapper/307:30:013
3258230992817,6cyclictest0-21swapper/312:40:003
3258226992822,3cyclictest0-21swapper/208:40:182
3258226992821,4cyclictest3275590-21unixbench_singl07:55:272
3258226992821,3cyclictest0-21swapper/207:20:002
3258221992819,4cyclictest0-21swapper/109:05:171
3258217992820,4cyclictest3287969-21munin-run08:35:010
3258217992819,6cyclictest3301335-21grep09:10:270
3258230992719,6cyclictest3303152-21kworker/u8:3+events_unbound09:23:393
3258230992719,5cyclictest3365570-21cron12:20:013
3258230992718,6cyclictest0-21swapper/310:05:013
325823099271,5cyclictest131rcu_preempt08:55:113
3258226992721,4cyclictest3334665-21munin-plugin-st10:50:002
3258226992720,5cyclictest3279656-21kworker/u8:0+events_unbound08:13:142
3258226992720,3cyclictest0-21swapper/208:20:012
3258226992718,6cyclictest0-21swapper/211:00:002
3258226992717,6cyclictest0-21swapper/211:39:012
3258221992720,4cyclictest0-21swapper/111:50:001
3258221992717,8cyclictest3258208-21cyclictest12:15:121
3258217992718,5cyclictest0-21swapper/011:50:260
3258217992717,7cyclictest3354653-21grep11:45:270
3258217992717,5cyclictest0-21swapper/010:35:260
325821799271,3cyclictest131rcu_preempt09:00:120
325821799270,23cyclictest0-21swapper/007:40:520
3258230992619,5cyclictest3342865-21kworker/u8:0+events_unbound11:22:363
3258230992619,4cyclictest3262179-21sendmail07:20:003
3258230992617,6cyclictest3313076-21grep09:45:253
3258226992620,3cyclictest0-21swapper/210:25:242
3258226992616,7cyclictest3284902-21seq08:25:152
3258221992618,5cyclictest0-21swapper/109:20:261
3258221992618,4cyclictest0-21swapper/109:50:181
3258221992618,4cyclictest0-21swapper/107:40:011
3258221992614,8cyclictest0-21swapper/108:10:011
3258217992618,5cyclictest0-21swapper/011:25:010
3258217992618,5cyclictest0-21swapper/008:40:000
3258230992519,4cyclictest3320966-21kworker/u8:0+events_unbound10:11:133
3258230992518,3cyclictest0-21swapper/308:30:263
3258230992517,4cyclictest0-21swapper/310:50:213
3258230992517,4cyclictest0-21swapper/310:50:213
3258226992518,4cyclictest3348676-21fschecks_count11:30:172
3258226992517,5cyclictest0-21swapper/210:05:012
3258226992517,4cyclictest3322244-21unixbench_multi10:10:252
3258226992516,6cyclictest3370117-21fgrep12:30:252
3258221992517,5cyclictest0-21swapper/112:05:011
3258221992517,4cyclictest0-21swapper/108:55:151
3258221992517,4cyclictest0-21swapper/108:15:251
3258221992512,10cyclictest3258208-21cyclictest12:00:141
325821799256,16cyclictest0-21swapper/009:20:250
3258217992521,2cyclictest13550irq/42-30be0000.ethernet07:45:130
3258217992519,3cyclictest0-21swapper/011:55:260
3258217992518,4cyclictest13550irq/42-30be0000.ethernet12:15:260
3258217992518,3cyclictest0-21swapper/010:27:350
325821799251,6cyclictest33325762sleep010:40:340
3258217992515,6cyclictest3278985-21grep08:05:260
325821799251,20cyclictest0-21swapper/008:56:490
325821799251,20cyclictest0-21swapper/008:15:030
325823099243,15cyclictest3274158-21sshd07:53:183
3258230992418,4cyclictest3298332-21kworker/u8:0+events_unbound09:08:283
3258230992417,5cyclictest3308542-21kworker/u8:0+events_unbound09:35:323
3258230992417,5cyclictest3300047-21kworker/u8:2+events_unbound09:16:493
3258230992416,6cyclictest391ktimers/309:50:033
3258230992416,4cyclictest0-21swapper/309:00:263
3258226992419,3cyclictest3346925-21cpuspeed11:25:152
3258226992417,3cyclictest0-21swapper/211:55:212
3258226992416,5cyclictest0-21swapper/211:50:162
3258226992416,5cyclictest0-21swapper/211:00:172
3258226992416,4cyclictest3312059-21cron09:45:002
325822699241,20cyclictest629-21snmpd07:30:192
325822199245,2cyclictest0-21swapper/109:14:371
3258221992416,5cyclictest0-21swapper/107:30:011
3258221992416,4cyclictest0-21swapper/112:30:001
3258221992416,4cyclictest0-21swapper/110:40:241
3258221992416,4cyclictest0-21swapper/108:25:261
3258221992413,8cyclictest3351720-21tr11:40:001
3258217992417,4cyclictest3293342-21grep08:50:010
3258217992415,6cyclictest121ktimers/012:25:140
325821799241,19cyclictest0-21swapper/010:23:520
325821799241,19cyclictest0-21swapper/009:54:090
325821799241,19cyclictest0-21swapper/009:33:310
325821799241,19cyclictest0-21swapper/007:56:360
3258230992317,4cyclictest3329278-21kworker/u8:0+events_unbound10:33:573
3258230992316,5cyclictest3287628-21kworker/u8:2+events_unbound08:40:253
3258230992314,4cyclictest3283247-21fschecks_count08:20:163
3258230992313,6cyclictest0-21swapper/310:40:003
3258230992313,6cyclictest0-21swapper/308:35:253
3258230992313,5cyclictest0-21swapper/311:20:013
3258230992311,8cyclictest3301354-21grep09:10:273
325822699235,15cyclictest3278105-21grep08:05:172
3258226992317,3cyclictest0-21swapper/210:35:002
3258226992317,3cyclictest0-21swapper/210:20:232
3258226992316,3cyclictest0-21swapper/212:05:002
3258226992315,4cyclictest0-21swapper/211:15:162
3258221992317,3cyclictest0-21swapper/110:30:241
3258221992317,3cyclictest0-21swapper/108:10:211
3258221992317,3cyclictest0-21swapper/108:05:001
3258221992316,3cyclictest0-21swapper/110:15:181
3258221992316,3cyclictest0-21swapper/107:45:171
3258221992315,4cyclictest0-21swapper/110:53:541
3258221992315,4cyclictest0-21swapper/110:53:541
3258221992314,7cyclictest3283319-21cut08:20:161
3258217992317,4cyclictest3338094-21kworker/u8:1+events_unbound11:08:590
3258217992313,7cyclictest3285359-21ntpq08:25:220
325821799231,18cyclictest0-21swapper/010:05:510
325821799231,18cyclictest0-21swapper/008:52:050
3258217992310,9cyclictest0-21swapper/008:40:170
325821799230,19cyclictest0-21swapper/007:50:500
3258230992216,3cyclictest0-21swapper/308:10:213
3258230992214,4cyclictest0-21swapper/311:55:003
3258226992216,3cyclictest0-21swapper/209:50:012
3258226992216,3cyclictest0-21swapper/207:20:212
3258226992215,5cyclictest3334586-21kworker/u8:1+events_unbound10:51:312
3258226992215,5cyclictest3334586-21kworker/u8:1+events_unbound10:51:312
3258226992215,3cyclictest0-21swapper/209:30:272
3258226992214,4cyclictest0-21swapper/211:05:262
325822699221,16cyclictest3354182-21ntpq11:45:222
3258221992216,3cyclictest0-21swapper/111:30:241
3258221992216,3cyclictest0-21swapper/109:00:191
3258221992214,5cyclictest3325459-21sed10:20:231
3258217992217,3cyclictest13550irq/42-30be0000.ethernet12:35:140
3258217992214,6cyclictest121ktimers/012:05:050
325821799221,3cyclictest3341713-21apt-get11:10:140
325822699214,3cyclictest3352328-21/usr/sbin/munin11:40:182
3258226992117,2cyclictest0-21swapper/207:25:242
3258226992116,3cyclictest3301556-21cron09:12:012
3258226992114,4cyclictest3274315-21latency_hist07:55:012
3258226992112,6cyclictest3276443-21tune2fs08:00:172
325822199219,9cyclictest3321242-21apt-get10:10:121
3258221992115,3cyclictest0-21swapper/112:35:201
3258221992112,6cyclictest0-21swapper/110:00:221
325823099203,12cyclictest3271280-21cut07:45:163
3258226992015,2cyclictest0-21swapper/209:25:192
3258226992012,5cyclictest0-21swapper/210:40:142
325822199208,8cyclictest1-21systemd10:48:541
3258221992014,4cyclictest645-21runrttasks08:40:171
3258221991913,4cyclictest231ktimers/108:50:171
3258221991913,3cyclictest0-21swapper/108:30:211
3258221991912,5cyclictest231ktimers/107:15:211
3258221991912,3cyclictest0-21swapper/112:10:221
3258221991812,3cyclictest3346972-21fschecks_count11:25:171
3258221991811,5cyclictest231ktimers/112:30:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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