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2026-03-15 - 09:02

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 Sun Mar 15, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
486133994941,4cyclictest507418-21latency_hist20:10:011
486141994840,5cyclictest533362-21munin-plugin-st21:25:023
486138994840,4cyclictest568084-21apt-key23:05:002
486141994723,5cyclictest486123-21cyclictest20:12:273
486141994723,5cyclictest486123-21cyclictest20:12:273
486138994739,5cyclictest503932-21idleruntime-cro20:00:012
486133994739,4cyclictest0-21swapper/119:15:021
486141994632,10cyclictest391ktimers/321:10:133
486141994626,5cyclictest538655-21cron21:40:003
486141994531,10cyclictest391ktimers/321:00:123
486141994531,10cyclictest391ktimers/321:00:113
486129994331,9cyclictest121ktimers/020:55:120
486138994231,8cyclictest517789-21sendmail20:40:002
486141994130,8cyclictest581740-21basename23:45:003
486141994129,8cyclictest555937-21auditctl22:30:003
486141994033,4cyclictest574915-21cron23:25:003
486129994029,7cyclictest500063-21grep19:45:270
486141993930,5cyclictest0-21swapper/322:25:013
486141993827,7cyclictest579530-21grep23:35:263
48613899381,5cyclictest131rcu_preempt23:50:132
486129993828,6cyclictest0-21swapper/020:30:010
486129993827,7cyclictest512267-21grep20:20:230
486129993826,10cyclictest121ktimers/019:40:120
486141993730,4cyclictest493493-21munin-plugin-st19:30:003
486141993726,7cyclictest0-21swapper/320:55:013
486133993725,9cyclictest231ktimers/121:00:121
486133993725,9cyclictest231ktimers/121:00:121
486129993730,4cyclictest496891-21cron19:40:000
486129993728,6cyclictest0-21swapper/021:50:010
486129993728,6cyclictest0-21swapper/020:15:010
486129993728,6cyclictest0-21swapper/020:15:000
486141993626,7cyclictest505636-21auditctl20:05:003
486138993527,4cyclictest0-21swapper/223:15:312
486138993526,7cyclictest573560-21kworker/u8:1+events_unbound23:32:532
486138993526,4cyclictest583437-21munin-plugin-st23:50:002
486138993525,7cyclictest551901-21grep22:15:272
486133993527,4cyclictest0-21swapper/121:00:011
486133993527,4cyclictest0-21swapper/120:50:171
486133993526,6cyclictest557171-21grep22:30:251
486129993527,4cyclictest489641-21grep19:15:280
486129993523,6cyclictest0-21swapper/023:35:250
486138993427,3cyclictest0-21swapper/220:20:142
486138993426,4cyclictest0-21swapper/200:20:262
486138993425,5cyclictest548502-21head22:05:252
486138993425,4cyclictest0-21swapper/223:20:152
486138993424,7cyclictest524599-21sendmail21:00:012
486133993425,6cyclictest572778-21grep23:15:301
486133993424,7cyclictest533557-21latency_hist21:25:011
486129993425,6cyclictest0-21swapper/023:15:000
486129993425,6cyclictest0-21swapper/000:40:000
486129993425,5cyclictest0-21swapper/023:45:000
486129993424,6cyclictest0-21swapper/021:30:250
486129993424,6cyclictest0-21swapper/019:55:150
486129993424,6cyclictest0-21swapper/019:20:240
486141993325,4cyclictest0-21swapper/323:17:493
486141993325,4cyclictest0-21swapper/319:40:003
486141993324,5cyclictest0-21swapper/319:40:243
486141993323,6cyclictest0-21swapper/323:45:163
486141993323,6cyclictest0-21swapper/321:20:003
486138993324,5cyclictest0-21swapper/200:40:002
486138993320,8cyclictest204-21dbus-daemon21:22:342
486133993326,4cyclictest0-21swapper/100:20:011
486133993325,4cyclictest0-21swapper/123:50:001
486129993325,4cyclictest0-21swapper/000:15:000
486129993324,6cyclictest533346-21sh21:25:020
486129993324,6cyclictest0-21swapper/020:30:260
486129993323,6cyclictest0-21swapper/021:40:240
486141993225,4cyclictest0-21swapper/321:00:013
486141993223,6cyclictest0-21swapper/320:30:263
486141993222,7cyclictest556395-21tune2fs22:30:153
486141993222,7cyclictest391ktimers/319:20:133
486138993224,4cyclictest0-21swapper/219:15:172
486138993224,4cyclictest0-21swapper/219:10:262
486138993223,5cyclictest0-21swapper/200:35:012
486133993221,6cyclictest0-21swapper/122:00:251
486129993226,3cyclictest0-21swapper/021:30:000
486129993225,3cyclictest0-21swapper/020:10:010
486141993123,4cyclictest0-21swapper/320:42:293
486141993121,7cyclictest539141-21grep21:40:153
486141993118,4cyclictest0-21swapper/323:30:173
486138993125,4cyclictest507767-21kworker/u8:2+events_unbound20:17:282
486138993125,4cyclictest507767-21kworker/u8:2+events_unbound20:17:272
486138993121,7cyclictest516064-21sh20:35:002
486138993121,6cyclictest0-21swapper/219:50:242
486138993118,5cyclictest571357-21kworker/u8:2+events_unbound23:26:482
486133993123,4cyclictest0-21swapper/123:00:011
486133993123,4cyclictest0-21swapper/121:45:251
486133993123,4cyclictest0-21swapper/100:10:151
486133993122,5cyclictest536533-21grep21:30:251
486133993119,8cyclictest1-21systemd00:07:551
486129993125,3cyclictest0-21swapper/021:05:240
486129993122,5cyclictest562764-21munin-plugin-st22:50:000
486129993122,5cyclictest0-21swapper/021:35:200
486141993023,4cyclictest0-21swapper/322:40:243
486141993022,5cyclictest0-21swapper/300:10:253
486141993019,7cyclictest0-21swapper/319:10:263
486138993022,4cyclictest539073-21fschecks_count21:40:152
486138993022,4cyclictest0-21swapper/223:00:002
486138993021,5cyclictest0-21swapper/220:40:172
486138993021,5cyclictest0-21swapper/219:25:002
486138993020,6cyclictest507956-21tune2fs20:10:152
486138993020,6cyclictest507956-21tune2fs20:10:152
486133993022,4cyclictest0-21swapper/123:35:161
486133993022,4cyclictest0-21swapper/119:30:261
486133993020,7cyclictest563219-21tune2fs22:50:171
486133993020,7cyclictest551063-21tune2fs22:15:171
486133993019,7cyclictest569320-21grep23:05:251
486129993023,4cyclictest0-21swapper/020:15:170
486129993023,4cyclictest0-21swapper/020:15:170
486129993023,3cyclictest0-21swapper/023:55:250
486129993020,6cyclictest529927-21auditctl21:15:000
486141992921,4cyclictest0-21swapper/323:15:013
486141992920,6cyclictest500066-21unixbench_multi19:45:273
486141992920,5cyclictest0-21swapper/300:35:243
486138992920,4cyclictest0-21swapper/221:35:012
486133992921,4cyclictest0-21swapper/122:25:251
486133992920,7cyclictest507988-21fschecks_time20:10:151
486133992920,7cyclictest507988-21fschecks_time20:10:151
486133992919,6cyclictest0-21swapper/120:30:261
48612999298,6cyclictest501371-21wc19:50:210
486129992921,4cyclictest0-21swapper/000:00:270
486141992822,3cyclictest0-21swapper/322:40:003
486141992822,3cyclictest0-21swapper/321:50:013
486141992821,4cyclictest0-21swapper/322:00:163
486141992820,5cyclictest0-21swapper/322:00:003
486141992820,5cyclictest0-21swapper/300:10:003
486141992820,4cyclictest0-21swapper/323:55:153
486141992820,4cyclictest0-21swapper/322:05:253
486141992819,5cyclictest595804-21idleruntime-cro00:25:003
48613899284,6cyclictest32-21ksoftirqd/221:10:002
486138992821,4cyclictest0-21swapper/223:40:002
486138992820,5cyclictest0-21swapper/222:00:012
486138992819,6cyclictest0-21swapper/220:25:252
486133992821,4cyclictest545482-21kthreadd22:00:001
486133992820,6cyclictest571238-21kworker/u8:0-writeback23:55:011
486133992818,6cyclictest496477-21grep19:35:261
486133992817,6cyclictest0-21swapper/120:17:281
486133992817,6cyclictest0-21swapper/120:17:271
486129992822,3cyclictest0-21swapper/021:50:250
486129992822,3cyclictest0-21swapper/019:15:010
486129992821,4cyclictest0-21swapper/019:30:000
486129992819,6cyclictest0-21swapper/023:50:000
486141992719,4cyclictest0-21swapper/323:05:003
486141992718,6cyclictest0-21swapper/322:45:243
486141992717,6cyclictest0-21swapper/300:00:273
486138992719,4cyclictest0-21swapper/200:10:152
486138992718,6cyclictest0-21swapper/222:00:252
486138992717,6cyclictest581328-21grep23:40:262
486138992717,6cyclictest0-21swapper/219:30:272
486133992720,4cyclictest535265-21sh21:30:001
486133992720,4cyclictest0-21swapper/123:55:241
486133992720,4cyclictest0-21swapper/121:35:151
486133992719,4cyclictest0-21swapper/122:45:241
486133992719,4cyclictest0-21swapper/120:35:151
486133992719,4cyclictest0-21swapper/100:35:151
486133992718,6cyclictest0-21swapper/100:05:001
486129992720,3cyclictest0-21swapper/023:50:250
486129992719,5cyclictest0-21swapper/022:25:250
486129992718,6cyclictest594956-21ps00:20:240
486129992717,7cyclictest574454-21grep23:20:240
486141992619,4cyclictest0-21swapper/323:50:253
486141992617,5cyclictest0-21swapper/321:30:183
486141992616,7cyclictest494757-21grep19:30:263
486138992618,4cyclictest0-21swapper/223:10:202
486138992618,4cyclictest0-21swapper/220:05:152
486138992617,5cyclictest438-21cron22:40:002
486138992617,5cyclictest0-21swapper/221:20:002
486133992619,4cyclictest0-21swapper/119:45:011
486133992619,4cyclictest0-21swapper/119:25:001
486133992618,5cyclictest0-21swapper/119:20:001
486133992616,6cyclictest0-21swapper/121:55:001
486133992615,7cyclictest502650-21grep19:55:151
486129992620,3cyclictest0-21swapper/022:50:200
486129992619,4cyclictest0-21swapper/022:30:240
486129992619,4cyclictest0-21swapper/020:40:000
486129992618,5cyclictest0-21swapper/023:05:260
486129992618,5cyclictest0-21swapper/022:00:250
486129992615,7cyclictest572785-21grep23:15:300
48612999261,4cyclictest557979-21df_inode22:35:140
486141992519,3cyclictest0-21swapper/320:25:203
486141992519,3cyclictest0-21swapper/319:20:013
486141992518,4cyclictest516485-21fschecks_time20:35:163
486141992517,5cyclictest0-21swapper/323:05:263
486141992516,6cyclictest543169-21sort21:50:253
486141992516,6cyclictest0-21swapper/321:30:013
486138992517,5cyclictest0-21swapper/219:35:252
486138992517,4cyclictest0-21swapper/223:05:132
48613399256,15cyclictest529920-21cron21:15:011
486133992519,3cyclictest0-21swapper/123:10:261
486133992519,3cyclictest0-21swapper/100:20:241
486133992517,4cyclictest0-21swapper/120:25:221
486133992516,5cyclictest0-21swapper/100:27:571
486133992515,6cyclictest0-21swapper/122:35:251
486129992517,5cyclictest0-21swapper/022:40:230
486129992517,4cyclictest0-21swapper/022:10:000
486129992515,7cyclictest589535-21ntp_kernel_pll_00:05:200
48612999251,22cyclictest0-21swapper/000:31:160
486141992415,5cyclictest0-21swapper/319:55:003
48614199241,20cyclictest505869-21runrttasks20:05:103
486138992418,4cyclictest471433-21kworker/u8:3+events_unbound20:50:162
486138992417,3cyclictest0-21swapper/221:50:172
486138992416,6cyclictest538008-21sort21:35:242
486138992416,6cyclictest517547-21kworker/u8:2+events_unbound20:47:312
486138992416,4cyclictest0-21swapper/200:05:012
486138992411,11cyclictest32-21ksoftirqd/221:10:212
486133992418,3cyclictest0-21swapper/123:20:121
486133992417,4cyclictest519486-21sh20:45:011
486133992417,3cyclictest0-21swapper/121:40:221
486133992414,6cyclictest576791-21grep23:30:021
486133992413,8cyclictest553783-21awk22:20:241
486129992419,2cyclictest0-21swapper/021:05:000
486129992419,2cyclictest0-21swapper/021:05:000
486129992418,4cyclictest13550irq/42-30be0000.ethernet19:30:200
486129992418,3cyclictest0-21swapper/022:20:020
486129992416,5cyclictest0-21swapper/020:00:220
486129992415,5cyclictest0-21swapper/020:45:150
486129992414,7cyclictest549186-21ls22:10:130
48612999241,21cyclictest0-21swapper/020:52:250
48612999241,19cyclictest0-21swapper/023:31:230
48612999241,19cyclictest0-21swapper/022:22:320
48612999241,19cyclictest0-21swapper/021:15:580
486129992410,6cyclictest0-21swapper/000:17:310
486141992316,5cyclictest208-21systemd-logind23:26:403
486141992312,7cyclictest551834-21grep22:15:273
48613899238,4cyclictest550567-21kworker/u8:0+events_unbound22:20:082
486138992317,4cyclictest520888-21kworker/u8:1+events_unbound21:00:152
486138992317,4cyclictest520888-21kworker/u8:1+events_unbound21:00:142
486138992317,3cyclictest0-21swapper/223:55:232
486138992317,3cyclictest0-21swapper/222:30:152
486138992317,3cyclictest0-21swapper/219:45:002
486138992316,3cyclictest0-21swapper/222:10:172
486138992314,6cyclictest542264-21grep21:50:012
486133992317,3cyclictest0-21swapper/123:30:141
486133992315,5cyclictest231ktimers/122:05:161
486133992313,7cyclictest0-21swapper/123:00:201
486133992311,8cyclictest438-21cron19:50:001
486129992315,5cyclictest0-21swapper/021:55:210
48612999231,20cyclictest0-21swapper/020:43:290
48612999231,18cyclictest0-21swapper/023:28:210
48612999230,19cyclictest0-21swapper/022:58:450
48612999230,19cyclictest0-21swapper/000:29:200
486141992216,3cyclictest0-21swapper/320:45:203
486141992216,3cyclictest0-21swapper/319:55:223
486141992215,4cyclictest0-21swapper/322:55:223
486141992214,5cyclictest0-21swapper/322:50:183
486141992214,5cyclictest0-21swapper/321:05:243
486141992214,5cyclictest0-21swapper/320:20:233
486141992211,8cyclictest598231-21sed00:30:193
486138992216,4cyclictest311ktimers/219:45:252
486138992216,3cyclictest0-21swapper/222:25:262
486138992215,3cyclictest0-21swapper/222:45:152
486138992215,3cyclictest0-21swapper/220:00:242
486138992213,7cyclictest534354-21cat21:25:222
486138992213,6cyclictest311ktimers/222:40:092
48613399227,7cyclictest501756-21awk19:50:241
486133992216,3cyclictest0-21swapper/122:10:211
486133992215,4cyclictest581273-21grep23:40:251
486141992116,3cyclictest586438-21kworker/u8:2+events_unbound00:17:573
486141992115,3cyclictest0-21swapper/300:25:243
486138992115,4cyclictest588421-21kworker/u8:0+events_unbound00:06:222
48613399216,11cyclictest559720-21grep22:40:131
486133992115,4cyclictest598321-21open_files00:30:221
486133992115,4cyclictest231ktimers/121:05:221
486133992114,5cyclictest231ktimers/120:45:141
486141992013,3cyclictest0-21swapper/320:20:003
486141992013,3cyclictest0-21swapper/320:20:003
486138992012,4cyclictest597497-21idleruntime-cro00:30:002
486133992014,3cyclictest0-21swapper/119:25:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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