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2026-05-06 - 22:42

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 May 06, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1780763994233,6cyclictest1895078-21chrt12:35:250
1780763994233,6cyclictest1895078-21chrt12:35:250
1780763994229,8cyclictest1887010-21sh12:15:000
1780775994133,5cyclictest1780756-21cyclictest08:08:213
1780763994134,4cyclictest1876362-21cron11:45:010
1780763994134,4cyclictest1825875-21sendmail09:20:010
1780763994132,4cyclictest0-21swapper/010:10:010
1780775994032,4cyclictest1851849-21cron10:35:003
1780767994033,4cyclictest1843339-21latency_hist10:10:011
1780763994032,4cyclictest0-21swapper/009:55:000
1780775993931,4cyclictest0-21swapper/309:35:243
1780767993930,5cyclictest0-21swapper/110:35:001
1780767993929,7cyclictest1881692-21cut12:00:001
1780767993929,7cyclictest1805169-21auditctl08:20:011
1780767993928,8cyclictest1785989-21unixbench_singl07:20:261
1780771993830,4cyclictest0-21swapper/209:30:002
1780771993829,5cyclictest1785950-21grep07:20:252
1780763993832,3cyclictest1784697-21sh07:20:000
1780763993829,6cyclictest1786859-21grep07:25:150
1780775993729,5cyclictest1865718-21munin-plugin-st11:15:013
1780767993729,5cyclictest1879998-21idleruntime-cro11:55:001
1780767993728,5cyclictest1820735-21cron09:05:011
1780763993729,5cyclictest1850163-21grep10:30:000
1780775993630,3cyclictest1867414-21cron11:20:003
1780775993628,4cyclictest0-21swapper/309:08:323
1780771993628,4cyclictest0-21swapper/210:30:162
1780771993626,6cyclictest0-21swapper/207:50:242
1780771993624,9cyclictest1800648-21kernelversion08:05:172
1780771993623,6cyclictest1791535-21sendmail07:40:012
1780767993626,7cyclictest1869126-21cron11:25:001
1780763993629,4cyclictest1845032-21sh10:15:010
1780763993629,3cyclictest0-21swapper/009:30:000
1780775993525,6cyclictest0-21swapper/309:05:013
1780771993529,3cyclictest0-21swapper/209:50:012
1780771993529,3cyclictest0-21swapper/209:50:012
1780771993527,5cyclictest0-21swapper/210:15:012
1780771993527,4cyclictest0-21swapper/208:20:162
1780767993526,6cyclictest0-21swapper/109:20:011
1780767993526,5cyclictest0-21swapper/107:45:251
1780767993525,7cyclictest1849509-21runrttasks10:25:211
1780763993518,6cyclictest1836240-21kworker/u8:1+events_unbound10:39:450
1780775993427,4cyclictest1803458-21cron08:15:013
1780775993426,5cyclictest1799591-21unixbench_multi08:00:263
1780771993428,3cyclictest0-21swapper/210:20:012
1780771993427,3cyclictest0-21swapper/211:50:242
1780771993422,8cyclictest0-21swapper/210:05:242
1780767993426,4cyclictest0-21swapper/109:10:011
1780763993428,4cyclictest1783361-21kworker/u8:3+events_unbound08:08:220
1780775993326,4cyclictest1862304-21cron11:05:003
1780775993325,4cyclictest0-21swapper/309:40:153
1780771993326,4cyclictest0-21swapper/207:55:252
1780771993325,5cyclictest1884888-21kworker/u8:0+events_unbound12:25:102
1780767993325,4cyclictest0-21swapper/112:05:001
1780763993326,4cyclictest1851853-21cron10:35:000
1780763993325,6cyclictest121ktimers/011:45:130
1780763993325,4cyclictest1856731-21grep10:45:250
1780763993324,6cyclictest0-21swapper/008:40:000
1780763993324,6cyclictest0-21swapper/008:40:000
1780763993319,11cyclictest11-21ksoftirqd/009:10:120
1780775993224,4cyclictest0-21swapper/308:50:163
1780775993223,4cyclictest0-21swapper/307:35:013
1780775993222,7cyclictest0-21swapper/312:20:003
1780775993222,6cyclictest0-21swapper/311:40:013
1780771993222,6cyclictest0-21swapper/210:45:252
1780767993224,4cyclictest0-21swapper/112:40:001
1780767993224,4cyclictest0-21swapper/112:40:001
1780767993224,4cyclictest0-21swapper/108:45:001
1780767993224,4cyclictest0-21swapper/108:45:001
1780767993223,5cyclictest0-21swapper/108:05:241
1780763993224,4cyclictest0-21swapper/007:30:250
1780763993223,6cyclictest0-21swapper/012:05:000
1780763993223,5cyclictest0-21swapper/011:15:250
1780763993220,7cyclictest0-21swapper/007:20:250
1780763993213,15cyclictest1846762-21tr10:20:010
178077599319,4cyclictest131rcu_preempt08:24:593
1780775993124,4cyclictest1838228-21idleruntime-cro09:55:003
1780775993122,5cyclictest0-21swapper/308:20:013
1780775993121,7cyclictest1786411-21sh07:25:003
1780775993121,6cyclictest0-21swapper/308:40:253
1780775993121,6cyclictest0-21swapper/308:40:243
1780771993124,4cyclictest0-21swapper/210:00:242
1780771993123,4cyclictest0-21swapper/208:50:252
1780771993122,6cyclictest0-21swapper/211:40:252
1780771993122,5cyclictest1855073-21grep10:40:272
1780767993123,4cyclictest0-21swapper/111:10:011
1780767993123,4cyclictest0-21swapper/110:55:241
1780767993121,6cyclictest0-21swapper/112:05:251
1780763993125,3cyclictest0-21swapper/008:55:250
1780775993023,4cyclictest1839918-21latency_hist10:00:003
1780775993023,4cyclictest0-21swapper/309:10:163
1780775993022,4cyclictest0-21swapper/309:30:253
1780775993021,6cyclictest1786835-21fschecks_time07:25:143
1780771993024,3cyclictest0-21swapper/212:15:162
1780771993023,4cyclictest0-21swapper/211:35:172
1780771993023,3cyclictest0-21swapper/209:50:242
1780771993022,4cyclictest0-21swapper/211:00:152
1780771993020,8cyclictest311ktimers/211:30:112
1780771993019,7cyclictest1-21systemd11:28:592
1780767993023,4cyclictest0-21swapper/111:30:241
1780767993022,5cyclictest1812027-21idleruntime-cro08:40:001
1780767993022,5cyclictest1812027-21idleruntime-cro08:40:001
1780767993022,4cyclictest0-21swapper/112:15:001
1780767993022,4cyclictest0-21swapper/108:55:241
1780767993019,7cyclictest0-21swapper/107:30:011
178076799301,14cyclictest1858422-21grep10:50:241
1780763993024,3cyclictest0-21swapper/011:00:000
1780763993024,3cyclictest0-21swapper/009:05:010
1780763993022,4cyclictest0-21swapper/010:45:000
1780763993022,4cyclictest0-21swapper/007:55:250
1780775992923,4cyclictest1813667-21kworker/u8:3+events_unbound09:23:363
1780775992922,4cyclictest0-21swapper/310:40:273
1780775992922,4cyclictest0-21swapper/309:20:013
1780775992920,6cyclictest0-21swapper/311:30:003
1780775992919,6cyclictest0-21swapper/310:20:253
1780771992922,4cyclictest0-21swapper/208:45:002
1780771992922,4cyclictest0-21swapper/208:45:002
1780771992922,3cyclictest0-21swapper/207:10:262
1780771992921,5cyclictest0-21swapper/212:40:002
1780771992921,5cyclictest0-21swapper/212:39:592
1780767992922,4cyclictest0-21swapper/109:50:011
1780767992922,4cyclictest0-21swapper/109:50:011
1780767992922,4cyclictest0-21swapper/109:20:241
1780767992918,7cyclictest0-21swapper/111:45:161
1780775992821,4cyclictest1881672-21cron11:59:593
1780775992821,4cyclictest0-21swapper/309:45:253
1780775992821,4cyclictest0-21swapper/309:45:253
1780775992821,3cyclictest0-21swapper/312:40:003
1780775992821,3cyclictest0-21swapper/312:40:003
1780775992820,6cyclictest1839023-21kworker/u8:0+events_unbound10:03:423
1780775992820,5cyclictest1815626-21audit_send_reply08:50:013
1780775992818,7cyclictest1884624-21grep12:05:253
1780775992818,6cyclictest0-21swapper/312:25:003
1780775992817,7cyclictest0-21swapper/307:40:253
1780771992822,4cyclictest1822442-21cron09:10:012
1780771992821,4cyclictest0-21swapper/208:30:262
1780771992821,4cyclictest0-21swapper/208:30:252
1780771992819,6cyclictest1853777-21apt-key10:40:002
1780771992819,4cyclictest1847998-21grep10:20:252
1780771992817,6cyclictest1789350-21grep07:30:252
1780767992820,4cyclictest0-21swapper/111:00:261
1780767992818,5cyclictest0-21swapper/107:38:181
1780767992817,7cyclictest0-21swapper/111:45:001
178076399282,7cyclictest1805170-21apt08:20:010
1780763992821,5cyclictest1855109-21kworker/u8:3+events_unbound11:03:540
1780763992820,5cyclictest0-21swapper/009:40:010
1780763992818,7cyclictest1813971-21grep08:45:010
1780763992818,7cyclictest1813971-21grep08:45:010
1780763992817,6cyclictest0-21swapper/009:40:240
178076399281,10cyclictest1810281-21cron08:35:000
178076399281,10cyclictest1810281-21cron08:35:000
1780775992718,6cyclictest0-21swapper/312:30:233
1780775992717,6cyclictest0-21swapper/312:10:253
1780771992720,4cyclictest0-21swapper/211:15:252
1780771992717,6cyclictest0-21swapper/211:45:252
1780767992721,4cyclictest1834400-21unixbench_singl09:40:241
1780767992721,3cyclictest0-21swapper/110:00:001
1780767992719,4cyclictest0-21swapper/111:25:241
1780767992719,4cyclictest0-21swapper/110:45:241
1780767992718,6cyclictest0-21swapper/109:55:001
1780767992718,5cyclictest1867426-21sendmail11:20:001
1780767992718,5cyclictest0-21swapper/111:10:251
1780763992720,4cyclictest0-21swapper/008:45:240
1780763992720,3cyclictest0-21swapper/010:55:010
1780763992719,5cyclictest0-21swapper/011:25:000
1780763992717,6cyclictest0-21swapper/011:50:240
1780763992715,8cyclictest204-21dbus-daemon08:23:240
1780775992619,4cyclictest0-21swapper/311:34:593
1780775992615,8cyclictest391ktimers/307:45:123
1780771992620,3cyclictest0-21swapper/210:50:162
1780771992620,3cyclictest0-21swapper/208:25:222
1780771992618,4cyclictest0-21swapper/207:15:182
1780771992616,7cyclictest1839451-21grep09:55:252
178076799266,12cyclictest131rcu_preempt12:20:061
1780767992619,4cyclictest1833100-21munin-plugin-st09:40:011
1780767992616,6cyclictest0-21swapper/110:40:011
1780767992616,6cyclictest0-21swapper/110:20:251
1780767992616,6cyclictest0-21swapper/109:15:011
1780767992616,6cyclictest0-21swapper/107:55:161
1780763992617,6cyclictest1782505-21ls07:15:010
1780775992518,4cyclictest1809862-21grep08:30:263
1780775992518,4cyclictest1809862-21grep08:30:263
1780775992517,4cyclictest0-21swapper/308:35:263
1780775992517,4cyclictest0-21swapper/308:35:263
1780775992517,4cyclictest0-21swapper/308:28:243
1780775992515,7cyclictest0-21swapper/310:15:013
1780775992515,6cyclictest1875893-21unixbench_multi11:40:253
178077199253,16cyclictest1831393-21debian-sa109:35:012
1780771992518,5cyclictest145-21jbd2/mmcblk1p2-808:35:302
1780771992518,5cyclictest145-21jbd2/mmcblk1p2-808:35:302
1780771992518,4cyclictest0-21swapper/210:25:222
1780771992517,5cyclictest0-21swapper/208:55:252
1780771992516,6cyclictest1787680-21grep07:25:262
1780771992515,7cyclictest1893055-21fgrep12:30:222
1780767992518,4cyclictest231ktimers/112:25:181
1780767992517,4cyclictest0-21swapper/107:30:161
1780767992517,4cyclictest0-21swapper/107:10:261
1780767992516,6cyclictest0-21swapper/110:05:001
1780763992520,2cyclictest0-21swapper/007:40:010
1780763992517,5cyclictest0-21swapper/011:05:260
1780763992517,4cyclictest0-21swapper/012:28:550
1780763992517,4cyclictest0-21swapper/009:55:240
1780763992516,6cyclictest1885098-21sh12:10:000
178076399251,20cyclictest0-21swapper/010:01:480
1780775992415,6cyclictest1836240-21kworker/u8:1+events_unbound10:38:423
1780775992414,6cyclictest0-21swapper/312:00:263
1780775992413,8cyclictest1836240-21kworker/u8:1+events_unbound10:45:123
1780775992412,8cyclictest1860595-21sendmail11:00:013
1780771992418,3cyclictest0-21swapper/212:00:002
1780771992418,3cyclictest0-21swapper/210:55:242
1780771992418,3cyclictest0-21swapper/209:20:212
1780771992417,5cyclictest145-21jbd2/mmcblk1p2-807:46:072
1780771992417,3cyclictest0-21swapper/207:40:252
1780771992416,4cyclictest0-21swapper/208:15:172
178077199241,5cyclictest131rcu_preempt09:10:132
1780767992418,3cyclictest0-21swapper/108:30:191
1780767992418,3cyclictest0-21swapper/108:30:191
1780767992415,6cyclictest0-21swapper/108:25:241
1780767992413,7cyclictest204-21dbus-daemon12:19:101
1780763992418,3cyclictest0-21swapper/011:25:230
1780763992418,3cyclictest0-21swapper/009:45:250
1780763992418,3cyclictest0-21swapper/009:45:250
1780763992417,3cyclictest0-21swapper/008:52:050
1780763992417,3cyclictest0-21swapper/007:45:200
1780763992416,6cyclictest1783361-21kworker/u8:3+events_unbound08:03:210
1780763992416,4cyclictest1803457-21cron08:15:010
1780763992412,8cyclictest204-21dbus-daemon11:39:020
178076399241,19cyclictest0-21swapper/012:34:270
1780775992317,4cyclictest1879619-21kworker/u8:1+events_unbound11:54:083
1780775992316,4cyclictest1797037-21fschecks_count07:55:163
1780775992314,6cyclictest391ktimers/309:30:003
1780775992313,6cyclictest0-21swapper/307:35:263
178077199235,10cyclictest1833100-21munin-run09:40:012
1780771992317,4cyclictest1804867-21kworker/u8:2+events_unbound09:15:192
1780771992317,3cyclictest1869273-21latency_hist11:25:012
1780771992314,6cyclictest1885115-21dpkg12:09:592
1780767992317,3cyclictest0-21swapper/110:40:201
1780767992317,3cyclictest0-21swapper/108:20:191
1780767992313,6cyclictest0-21swapper/108:05:011
1780763992318,3cyclictest13550irq/42-30be0000.ethernet07:50:160
1780763992317,3cyclictest0-21swapper/012:20:190
1780763992316,3cyclictest0-21swapper/012:17:590
1780763992316,3cyclictest0-21swapper/011:55:290
1780763992316,3cyclictest0-21swapper/009:22:080
1780763992315,4cyclictest13550irq/42-30be0000.ethernet11:10:250
178076399230,19cyclictest0-21swapper/008:26:060
178076399230,19cyclictest0-21swapper/007:42:410
1780775992215,5cyclictest1856957-21kworker/u8:0+events_unbound11:45:063
1780775992214,6cyclictest1784690-21cron07:20:003
1780775992212,7cyclictest391ktimers/307:50:133
178077199222,14cyclictest1889988-21unixbench_multi12:20:242
1780771992216,3cyclictest0-21swapper/212:10:222
1780771992216,3cyclictest0-21swapper/209:40:222
1780771992216,3cyclictest0-21swapper/209:00:132
178076799226,3cyclictest0-21swapper/107:15:131
1780767992216,3cyclictest0-21swapper/107:40:251
1780767992214,5cyclictest0-21swapper/109:30:001
1780767992214,4cyclictest1846739-21latency_hist10:20:001
1780767992212,6cyclictest0-21swapper/108:15:001
1780767992211,7cyclictest0-21swapper/109:30:251
178076399221,5cyclictest1822023-21grep09:05:250
178076399221,19cyclictest0-21swapper/010:20:150
1780775992115,3cyclictest0-21swapper/310:50:153
1780775992115,3cyclictest0-21swapper/307:10:163
1780771992115,3cyclictest0-21swapper/211:10:152
1780771992115,3cyclictest0-21swapper/208:00:252
1780767992114,3cyclictest0-21swapper/108:50:251
1780767992112,6cyclictest0-21swapper/108:45:241
178077599209,8cyclictest1846764-21basename10:20:013
1780775992014,3cyclictest0-21swapper/312:30:003
1780771992014,3cyclictest0-21swapper/212:00:212
178077599194,3cyclictest131rcu_preempt08:55:163
1780767991913,3cyclictest0-21swapper/112:30:221
1780775991812,3cyclictest0-21swapper/310:05:153
1780775991811,5cyclictest391ktimers/311:05:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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