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2026-08-29 - 14:37

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 Sat Aug 29, 2026 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
512212995239,9cyclictest391ktimers/322:50:133
512212994940,5cyclictest540234-21sh20:30:003
512208994942,4cyclictest538529-21sh20:25:012
512208994938,7cyclictest522750-21grep19:35:252
512212994838,6cyclictest553872-21unixbench_singl21:05:243
512208994235,4cyclictest541935-21sh20:35:002
512208994235,4cyclictest541935-21sh20:35:002
512212994034,4cyclictest588653-21kworker/u8:2+events_unbound23:01:213
512212994032,5cyclictest516139-21munin-plugin-st19:20:013
512212994032,5cyclictest516139-21munin-plugin-st19:20:013
512208994030,6cyclictest0-21swapper/222:40:002
512208994030,6cyclictest0-21swapper/222:40:002
512203994030,6cyclictest0-21swapper/100:00:161
512199994021,16cyclictest0-21swapper/023:40:000
512212993928,6cyclictest0-21swapper/322:41:183
512212993927,9cyclictest391ktimers/300:25:133
512212993826,8cyclictest560907-21grep21:25:263
512212993826,8cyclictest560907-21grep21:25:253
512212993825,8cyclictest538066-21grep20:20:253
512212993825,10cyclictest391ktimers/323:55:133
512212993825,10cyclictest391ktimers/323:55:123
512208993830,4cyclictest619740-21cron00:20:012
512199993829,6cyclictest583631-21apt-config22:35:010
512212993729,5cyclictest519559-21munin-run19:30:003
512212993729,4cyclictest0-21swapper/320:50:013
512203993729,4cyclictest0-21swapper/120:56:001
512203993728,6cyclictest0-21swapper/122:20:011
512203993728,4cyclictest0-21swapper/123:01:211
512199993730,4cyclictest0-21swapper/021:05:010
512212993629,4cyclictest543639-21kthreadd20:40:003
512212993629,4cyclictest543639-21kthreadd20:39:593
512212993625,7cyclictest0-21swapper/321:45:253
512208993626,6cyclictest553830-21unixbench_multi21:05:232
512208993626,6cyclictest0-21swapper/219:55:252
512212993528,5cyclictest605573-21kworker/u8:0+events_unbound23:36:333
512212993525,6cyclictest611021-21munin-plugin-st23:55:003
512212993523,7cyclictest619740-21cron00:20:003
512208993528,4cyclictest602494-21ls23:30:012
512203993527,5cyclictest543856-21latency_hist20:40:011
512203993527,5cyclictest543856-21latency_hist20:40:011
512203993527,5cyclictest517862-21munin-plugin-st19:25:001
512203993525,6cyclictest0-21swapper/119:35:021
512212993427,4cyclictest0-21swapper/321:00:013
512212993426,4cyclictest0-21swapper/322:10:243
512208993425,6cyclictest621027-21grep00:20:242
512203993426,5cyclictest605896-21munin-plugin-st23:40:001
512203993424,6cyclictest0-21swapper/121:10:011
512212993323,6cyclictest0-21swapper/320:10:253
512212993322,8cyclictest391ktimers/322:45:143
512212993322,7cyclictest0-21swapper/321:40:003
512212993322,6cyclictest0-21swapper/300:40:003
512212993320,10cyclictest391ktimers/322:25:133
512208993326,4cyclictest0-21swapper/222:20:012
512208993320,10cyclictest311ktimers/223:10:112
512203993322,7cyclictest0-21swapper/122:36:171
512203993322,7cyclictest0-21swapper/122:36:171
512199993326,3cyclictest0-21swapper/023:25:250
512199993325,6cyclictest564513-21kworker/u8:2+events_unbound21:46:100
51219999331,29cyclictest0-21swapper/000:20:110
512212993225,4cyclictest0-21swapper/322:55:263
512212993224,4cyclictest0-21swapper/322:15:143
512212993216,6cyclictest521034-21kworker/u8:0+events_unbound19:35:123
512208993225,4cyclictest0-21swapper/223:30:152
512208993224,4cyclictest0-21swapper/222:10:152
512208993223,5cyclictest0-21swapper/200:00:312
51220399325,4cyclictest5402312sh20:30:001
512203993222,6cyclictest0-21swapper/100:35:231
512199993226,3cyclictest0-21swapper/023:25:010
512212993122,6cyclictest506639-21kworker/u8:2+events_unbound19:20:263
512212993121,6cyclictest0-21swapper/323:45:243
512212993119,4cyclictest544441-21kworker/u8:2+events_unbound21:20:183
512212993118,9cyclictest391ktimers/320:40:133
512212993116,5cyclictest593895-21kworker/u8:1+events_unbound23:25:483
512208993124,4cyclictest612929-21sh00:00:002
512208993124,4cyclictest612929-21sh00:00:002
512208993124,3cyclictest0-21swapper/220:50:012
512203993124,5cyclictest541512-21unixbench_singl20:30:251
512203993124,5cyclictest541512-21unixbench_singl20:30:241
512203993120,7cyclictest0-21swapper/121:15:011
512199993126,2cyclictest13550irq/42-30be0000.ethernet22:30:010
512199993125,3cyclictest0-21swapper/020:00:010
512199993124,4cyclictest438-21cron00:10:000
512199993123,4cyclictest0-21swapper/020:50:590
512199993122,6cyclictest614185-21unixbench_multi00:00:320
512199993122,6cyclictest551083-21wc21:00:010
512212993024,4cyclictest555937-21kworker/u8:0+events_unbound21:12:423
512212993023,4cyclictest0-21swapper/321:55:253
512212993022,4cyclictest0-21swapper/320:05:233
512212993022,4cyclictest0-21swapper/319:10:393
512212993015,5cyclictest536497-21kworker/u8:0+events_unbound20:16:543
512208993024,3cyclictest0-21swapper/219:35:022
512208993022,4cyclictest0-21swapper/221:25:262
512208993022,4cyclictest0-21swapper/221:25:262
512208993020,6cyclictest543233-21grep20:35:252
512208993020,6cyclictest543233-21grep20:35:252
512203993023,4cyclictest0-21swapper/100:30:241
512203993022,5cyclictest0-21swapper/120:55:001
512203993021,6cyclictest580532-21fschecks_time22:25:161
512203993019,8cyclictest231ktimers/121:20:101
512203993018,9cyclictest524705-21kworker/u8:1+events_unbound20:15:131
512199993024,3cyclictest0-21swapper/020:10:250
512199993023,4cyclictest0-21swapper/022:00:250
512199993023,3cyclictest0-21swapper/021:45:000
512199993022,4cyclictest0-21swapper/020:35:580
512199993022,4cyclictest0-21swapper/020:35:570
512212992918,8cyclictest391ktimers/319:55:143
512208992923,3cyclictest533410-21kthreadd20:10:012
512208992923,3cyclictest0-21swapper/221:20:002
512208992922,4cyclictest0-21swapper/220:40:152
512208992921,4cyclictest0-21swapper/221:00:252
512208992920,5cyclictest555766-21grep21:10:252
512203992921,4cyclictest0-21swapper/122:20:261
512203992920,7cyclictest611954-21missed_timers23:55:211
512203992920,7cyclictest611954-21missed_timers23:55:211
512203992919,7cyclictest611055-21latency_hist23:54:591
512203992919,7cyclictest565373-21wc21:40:181
512199992921,5cyclictest0-21swapper/019:45:240
512199992918,8cyclictest121ktimers/022:50:130
512212992820,4cyclictest0-21swapper/321:40:253
512212992819,6cyclictest610730-21kworker/u8:2+events_unbound00:00:293
512212992818,6cyclictest0-21swapper/320:30:253
512212992818,6cyclictest0-21swapper/320:30:253
512212992815,8cyclictest204-21dbus-daemon22:31:163
512208992821,3cyclictest0-21swapper/219:10:162
512208992820,5cyclictest0-21swapper/220:15:162
512208992820,5cyclictest0-21swapper/219:25:002
512208992820,5cyclictest0-21swapper/219:15:212
512208992820,5cyclictest0-21swapper/219:15:212
512208992820,4cyclictest0-21swapper/221:30:152
512208992819,4cyclictest0-21swapper/223:16:262
512208992818,8cyclictest583681-21latency_hist22:35:012
512208992818,6cyclictest0-21swapper/221:00:012
51220399288,4cyclictest5702052sh21:55:141
512203992821,4cyclictest0-21swapper/123:20:011
512203992820,4cyclictest0-21swapper/123:40:151
512203992818,6cyclictest0-21swapper/122:55:251
512199992822,3cyclictest0-21swapper/020:15:160
512199992821,5cyclictest578028-21kworker/u8:1+events_unbound22:46:190
512199992821,5cyclictest557660-21kworker/u8:1+events_unbound21:36:070
512199992820,5cyclictest0-21swapper/019:20:010
512199992820,5cyclictest0-21swapper/019:20:010
51219999281,5cyclictest571564-21cron22:00:010
51221299273,4cyclictest131rcu_preempt20:50:133
512212992721,4cyclictest544441-21kworker/u8:2+events_unbound21:02:403
512212992719,6cyclictest578028-21kworker/u8:1+events_unbound22:36:173
512212992719,6cyclictest578028-21kworker/u8:1+events_unbound22:36:163
51221299271,13cyclictest508154-21kworker/3:1-events23:06:073
512208992718,6cyclictest525461-21kernelversion19:45:182
512208992717,7cyclictest0-21swapper/220:05:012
512203992720,4cyclictest0-21swapper/120:00:011
512203992719,6cyclictest537621-21ntp_offset20:20:211
512199992722,3cyclictest519688-21latency_hist19:30:010
512199992719,4cyclictest607157-21grep23:40:250
512199992718,6cyclictest574551-21grep22:05:260
512199992718,6cyclictest0-21swapper/021:15:250
51221299268,5cyclictest131rcu_preempt22:20:253
512212992618,4cyclictest0-21swapper/322:00:253
512212992616,7cyclictest596956-21grep23:10:253
512212992614,7cyclictest0-21swapper/322:05:263
512212992613,9cyclictest621497-21gpgv00:25:013
512208992620,3cyclictest0-21swapper/220:10:202
512208992618,5cyclictest311ktimers/222:28:462
512208992618,4cyclictest0-21swapper/223:45:242
512208992618,4cyclictest0-21swapper/219:25:162
512208992617,6cyclictest0-21swapper/200:15:012
512203992620,4cyclictest618110-21latency_hist00:15:011
512203992620,3cyclictest0-21swapper/121:50:201
512203992619,4cyclictest0-21swapper/121:00:241
512203992617,6cyclictest0-21swapper/120:05:011
512203992616,7cyclictest561753-21tune2fs21:30:161
512203992616,7cyclictest0-21swapper/120:40:371
512203992615,8cyclictest516143-21run-parts19:20:011
512203992615,8cyclictest516143-21run-parts19:20:001
512199992619,4cyclictest521248-21sh19:35:010
512199992619,3cyclictest0-21swapper/023:10:010
512199992618,4cyclictest0-21swapper/020:30:250
512199992618,4cyclictest0-21swapper/020:30:250
512199992618,4cyclictest0-21swapper/019:55:010
512199992617,6cyclictest0-21swapper/021:05:240
51221299253,11cyclictest0-21swapper/323:41:093
512212992519,4cyclictest531419-21kworker/u8:0+events_unbound20:03:353
512212992518,5cyclictest517562-21kworker/u8:1+events_unbound19:30:243
512212992518,4cyclictest561788-21fschecks_time21:30:163
512212992517,5cyclictest616149-21kworker/u8:2+events_unbound00:14:403
512212992517,4cyclictest0-21swapper/323:20:273
512212992517,4cyclictest0-21swapper/321:15:253
512212992511,6cyclictest521034-21kworker/u8:0+events_unbound19:40:133
512208992519,3cyclictest0-21swapper/223:40:002
512208992519,3cyclictest0-21swapper/222:55:212
512208992518,4cyclictest625914-21open_inodes00:35:212
512208992518,3cyclictest0-21swapper/222:01:112
512208992517,5cyclictest0-21swapper/223:55:002
512208992517,5cyclictest0-21swapper/223:20:162
512208992517,4cyclictest0-21swapper/222:00:012
512208992516,5cyclictest0-21swapper/223:05:272
512203992519,3cyclictest0-21swapper/123:25:181
512203992518,5cyclictest609307-21cron23:50:001
512199992519,3cyclictest0-21swapper/022:40:210
512199992518,5cyclictest547424-21sed20:50:010
512199992518,4cyclictest603723-21sed23:30:230
512199992518,4cyclictest13550irq/42-30be0000.ethernet00:40:000
51219999251,4cyclictest576920-21apt-get22:15:130
512212992418,4cyclictest593895-21kworker/u8:1+events_unbound23:30:083
512212992418,4cyclictest524705-21kworker/u8:1+events_unbound19:46:543
51221299240,13cyclictest568073-21kworker/u8:0+events_power_efficient21:53:143
512208992415,6cyclictest0-21swapper/200:29:592
512208992413,8cyclictest585893-21cut22:40:152
512203992418,3cyclictest0-21swapper/123:10:241
512203992418,3cyclictest0-21swapper/119:10:351
512203992416,5cyclictest0-21swapper/119:55:011
512203992415,6cyclictest0-21swapper/121:39:591
51219999248,7cyclictest0-21swapper/020:40:370
512199992420,2cyclictest13550irq/42-30be0000.ethernet22:10:200
512199992418,4cyclictest585517-21latency_hist22:40:010
512199992418,4cyclictest585517-21latency_hist22:40:010
512199992418,3cyclictest0-21swapper/023:48:400
512199992417,5cyclictest11-21ksoftirqd/000:10:130
512199992417,5cyclictest0-21swapper/020:25:320
512199992417,4cyclictest611001-21cron23:55:000
512199992417,4cyclictest0-21swapper/023:55:260
512199992417,4cyclictest0-21swapper/023:55:250
512199992415,6cyclictest0-21swapper/021:10:240
512199992415,6cyclictest0-21swapper/019:20:260
51219999241,4cyclictest562145-21ntp_states21:30:210
51219999241,20cyclictest0-21swapper/023:15:190
51219999241,19cyclictest0-21swapper/020:03:510
51221299234,11cyclictest40-21ksoftirqd/300:05:253
512212992317,4cyclictest595614-21kworker/u8:0+events_unbound23:18:093
51221299231,14cyclictest0-21swapper/300:30:113
512208992317,3cyclictest0-21swapper/222:50:152
512208992317,3cyclictest0-21swapper/200:05:252
512208992316,4cyclictest0-21swapper/223:40:242
512208992315,5cyclictest0-21swapper/221:20:232
512208992315,5cyclictest0-21swapper/219:40:242
512208992314,5cyclictest311ktimers/200:30:242
51220399231,8cyclictest518623-21ntpq19:25:211
512203992317,3cyclictest0-21swapper/123:20:161
512203992317,3cyclictest0-21swapper/123:05:181
512203992317,3cyclictest0-21swapper/122:15:011
512203992317,3cyclictest0-21swapper/121:25:191
512203992317,3cyclictest0-21swapper/121:25:191
512203992317,3cyclictest0-21swapper/119:35:251
512203992317,3cyclictest0-21swapper/100:25:221
512203992317,3cyclictest0-21swapper/100:15:111
512203992317,3cyclictest0-21swapper/100:05:151
512203992315,5cyclictest0-21swapper/123:30:191
512203992315,5cyclictest0-21swapper/119:45:251
512203992315,4cyclictest0-21swapper/100:20:151
51219999234,13cyclictest13550irq/42-30be0000.ethernet21:50:110
512199992317,3cyclictest0-21swapper/019:40:120
512199992316,3cyclictest0-21swapper/023:10:250
512199992315,5cyclictest0-21swapper/019:40:010
512199992315,4cyclictest532120-21fschecks_time20:05:140
51219999231,3cyclictest0-21swapper/023:03:290
51219999231,3cyclictest0-21swapper/020:24:480
512199992313,6cyclictest513380-21grep19:10:390
51219999231,18cyclictest0-21swapper/022:24:120
51219999230,21cyclictest0-21swapper/022:55:130
51219999230,19cyclictest0-21swapper/000:31:490
51221299225,3cyclictest131rcu_preempt19:50:223
512208992215,4cyclictest527048-21tune2fs19:50:162
512208992212,7cyclictest539474-21tr20:25:232
512203992216,3cyclictest0-21swapper/122:46:181
512203992216,3cyclictest0-21swapper/122:40:211
512203992216,3cyclictest0-21swapper/122:00:171
512203992216,3cyclictest0-21swapper/120:15:011
512203992215,3cyclictest0-21swapper/122:05:241
512203992215,3cyclictest0-21swapper/120:45:151
51219999221,19cyclictest0-21swapper/000:15:380
512199992211,8cyclictest559980-21df21:25:140
512199992211,8cyclictest559980-21df21:25:130
51219999220,18cyclictest0-21swapper/000:29:120
512208992115,4cyclictest544441-21kworker/u8:2+events_unbound20:51:012
512208992115,3cyclictest0-21swapper/222:45:122
512208992115,3cyclictest0-21swapper/222:10:012
512208992115,3cyclictest0-21swapper/221:35:212
512208992114,5cyclictest311ktimers/223:00:252
512208992113,5cyclictest566368-21seq21:43:582
512203992113,4cyclictest0-21swapper/122:35:011
512203992112,6cyclictest0-21swapper/119:40:221
51219999211,6cyclictest558287-21df_inode21:20:130
512208992014,3cyclictest0-21swapper/222:20:202
512203992014,4cyclictest557934-21munin-plugin-st21:19:591
512203992012,5cyclictest0-21swapper/121:45:231
512208991913,3cyclictest0-21swapper/221:50:012
51220399188,7cyclictest589132-21ls22:50:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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