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2026-06-29 - 05:21

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 all highest latencies:
System rackbslot5s.osadl.org (updated Mon Jun 29, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1677403995136,11cyclictest391ktimers/300:30:123
1677403995136,11cyclictest391ktimers/300:30:113
1677399995041,5cyclictest1725910-21grep21:25:272
1677403994934,11cyclictest391ktimers/323:40:123
1677390994740,5cyclictest1673685-21kworker/u8:2+events_unbound19:22:310
1677399994636,6cyclictest1772976-21fschecks_count23:45:152
1677403994410,14cyclictest1688505-21latency_hist19:40:023
1677399994335,4cyclictest1736571-21idleruntime-cro22:00:002
1677395994234,5cyclictest1722701-21latency_hist21:20:011
167739099425,6cyclictest131rcu_preempt22:50:120
1677403994127,9cyclictest391ktimers/300:05:123
1677395994132,4cyclictest1753844-21munin-plugin-st22:50:011
167739099405,5cyclictest131rcu_preempt00:00:120
1677403993928,6cyclictest0-21swapper/320:00:013
1677399993931,5cyclictest1693258-21kworker/u8:1+events_unbound19:52:372
1677395993928,6cyclictest0-21swapper/100:35:001
1677395993928,6cyclictest0-21swapper/100:35:001
1677399993831,4cyclictest1743388-21munin-run22:20:002
1677390993831,4cyclictest1690084-21idleruntime-cro19:45:010
1677399993730,4cyclictest1784748-21cron00:20:002
1677399993729,4cyclictest1786836-21fschecks_count00:25:152
1677395993731,4cyclictest1703652-21kworker/u8:0+events_unbound20:27:431
1677395993730,5cyclictest1715719-21kworker/u8:0+events_unbound21:02:501
1677395993730,4cyclictest1729744-21munin-plugin-st21:40:011
1677395993727,6cyclictest0-21swapper/119:15:161
1677395993727,5cyclictest1786059-21head00:20:251
1677403993628,5cyclictest0-21swapper/320:25:263
1677403993628,4cyclictest0-21swapper/322:35:273
1677403993628,4cyclictest0-21swapper/300:00:003
1677403993627,6cyclictest1746371-21unixbench_singl22:25:273
1677395993624,8cyclictest1733151-21sh21:50:021
1677390993629,4cyclictest1788168-21idleruntime-cro00:30:000
1677390993626,7cyclictest1726333-21idleruntime-cro21:30:010
1677390993618,15cyclictest11-21ksoftirqd/022:05:140
1677403993527,4cyclictest0-21swapper/321:30:263
1677403993526,5cyclictest0-21swapper/322:00:173
1677403993524,7cyclictest0-21swapper/323:50:013
1677403993522,9cyclictest1734369-21grep21:50:253
1677399993524,6cyclictest0-21swapper/223:10:002
1677395993527,4cyclictest0-21swapper/123:15:291
1677395993526,7cyclictest1693258-21kworker/u8:1+events_unbound19:54:431
1677395993525,6cyclictest0-21swapper/120:20:001
1677395993525,5cyclictest0-21swapper/121:42:591
1677395993524,7cyclictest1781118-21cron00:10:001
1677390993526,6cyclictest1706682-21unixbench_multi20:30:270
167740399345,12cyclictest1750984-21if_eth122:40:173
1677403993420,9cyclictest1692008-21apt-get19:50:133
1677399993424,6cyclictest0-21swapper/223:30:012
1677399993424,6cyclictest0-21swapper/219:45:162
1677399993424,6cyclictest0-21swapper/219:40:252
1677395993427,4cyclictest0-21swapper/122:30:261
1677395993423,7cyclictest1742946-21grep22:15:261
1677395993417,6cyclictest1688001-21kworker/u8:2+events_unbound19:39:381
1677390993426,4cyclictest0-21swapper/021:55:010
1677390993426,4cyclictest0-21swapper/021:15:260
1677390993425,6cyclictest1755929-21fschecks_count22:55:150
1677390993425,6cyclictest1755929-21fschecks_count22:55:150
1677403993325,4cyclictest0-21swapper/321:40:173
1677403993325,4cyclictest0-21swapper/300:25:253
1677403993324,6cyclictest0-21swapper/322:50:153
1677403993324,6cyclictest0-21swapper/321:00:273
1677403993323,6cyclictest0-21swapper/319:20:263
1677403993322,7cyclictest1678582-21grep19:10:273
1677403993320,10cyclictest391ktimers/323:15:143
1677403993320,10cyclictest1743634-21apt-get22:20:123
1677403993319,11cyclictest1758211-21/usr/sbin/munin23:00:253
1677403993318,10cyclictest391ktimers/323:05:113
1677399993323,6cyclictest0-21swapper/219:10:252
1677399993322,7cyclictest0-21swapper/221:35:002
1677395993327,4cyclictest1765421-21kworker/u8:0+events_unbound23:38:221
1677395993327,4cyclictest1738036-21kworker/u8:1+events_unbound22:08:031
1677395993325,4cyclictest0-21swapper/119:45:251
1677395993324,4cyclictest0-21swapper/123:33:201
1677395993323,7cyclictest1715865-21apt21:00:001
1677390993322,7cyclictest0-21swapper/000:15:250
1677390993321,7cyclictest0-21swapper/000:30:280
1677390993321,7cyclictest0-21swapper/000:30:270
1677403993224,4cyclictest0-21swapper/321:35:163
1677403993224,4cyclictest0-21swapper/321:20:273
1677403993224,4cyclictest0-21swapper/320:22:413
1677403993222,7cyclictest1770189-21/usr/sbin/munin23:35:263
1677403993221,7cyclictest1710778-21munin-node20:45:103
1677403993221,7cyclictest0-21swapper/320:55:263
1677403993218,11cyclictest1779039-21users00:00:273
1677403993218,11cyclictest1769090-21cron23:34:003
1677399993225,3cyclictest0-21swapper/220:30:262
1677399993224,4cyclictest0-21swapper/200:25:012
1677399993222,6cyclictest0-21swapper/222:10:012
1677395993224,4cyclictest0-21swapper/100:15:001
1677395993221,8cyclictest438-21cron22:00:001
167739099323,6cyclictest131rcu_preempt21:00:130
1677390993225,5cyclictest1771291-21kworker/u8:3+events_unbound23:58:100
1677390993225,5cyclictest1760876-21kworker/u8:1+events_unbound23:28:200
1677390993225,4cyclictest1764067-21munin-plugin-st23:20:000
1677390993225,4cyclictest0-21swapper/020:40:240
1677390993224,4cyclictest1681324-21cron19:20:000
1677390993222,6cyclictest0-21swapper/022:40:250
1677390993214,15cyclictest11-21ksoftirqd/023:20:110
1677403993123,4cyclictest0-21swapper/322:15:263
1677403993123,4cyclictest0-21swapper/320:50:163
1677403993123,4cyclictest0-21swapper/320:42:453
1677403993121,7cyclictest1756106-21/usr/sbin/munin22:55:183
1677403993121,7cyclictest1756106-21/usr/sbin/munin22:55:173
1677403993121,7cyclictest1753127-21/usr/sbin/munin22:45:243
1677403993121,7cyclictest0-21swapper/319:30:003
1677403993121,6cyclictest0-21swapper/319:35:003
1677403993120,7cyclictest0-21swapper/320:15:263
1677403993119,9cyclictest1761643-21/usr/sbin/munin23:10:243
1677403993112,16cyclictest1719628-21df21:10:143
1677399993123,4cyclictest0-21swapper/219:20:172
1677399993122,6cyclictest0-21swapper/220:50:012
1677399993122,5cyclictest0-21swapper/222:45:002
1677399993121,6cyclictest0-21swapper/222:45:252
1677395993123,4cyclictest0-21swapper/120:45:241
1677395993122,5cyclictest0-21swapper/119:10:161
167739599311,5cyclictest131rcu_preempt23:25:111
1677390993124,4cyclictest1691780-21sh19:50:010
1677390993123,4cyclictest1679008-21sh19:15:010
1677390993121,6cyclictest1694721-21grep19:55:250
1677403993022,4cyclictest1690755-21meminfo19:45:193
1677403993022,4cyclictest0-21swapper/300:10:273
1677403993020,7cyclictest1775570-21grep23:50:263
1677403993020,7cyclictest1699204-21/usr/sbin/munin20:10:203
1677403993019,8cyclictest1696849-21seq20:04:323
1677403993018,9cyclictest1785255-21/usr/sbin/munin00:20:163
1677403993018,9cyclictest1731786-21/usr/sbin/munin21:45:153
1677403993017,10cyclictest1707071-21sshd20:34:263
1677399993022,5cyclictest1727827-21kworker/u8:2+events_unbound21:48:002
1677399993022,4cyclictest0-21swapper/223:50:262
1677399993020,6cyclictest0-21swapper/200:10:262
1677399993012,8cyclictest131rcu_preempt20:20:132
1677395993023,5cyclictest1750049-21kworker/u8:3+events_unbound22:44:261
1677395993023,4cyclictest1708470-21kworker/u8:1+events_unbound20:42:451
1677395993020,6cyclictest0-21swapper/123:00:261
1677390993024,3cyclictest0-21swapper/000:15:000
1677390993022,4cyclictest1715872-21munin-plugin-st21:00:000
1677390993022,4cyclictest0-21swapper/021:55:250
1677390993020,6cyclictest0-21swapper/022:15:260
1677390993019,6cyclictest0-21swapper/020:10:270
1677403992919,7cyclictest1791510-21sshd00:39:253
1677403992919,7cyclictest1766014-21apt-get23:25:123
1677403992913,13cyclictest1679445-21munin-node19:15:033
1677399992919,7cyclictest1708847-21basename20:40:002
1677399992917,8cyclictest0-21swapper/222:55:162
1677399992917,8cyclictest0-21swapper/222:55:152
1677395992923,4cyclictest1738036-21kworker/u8:1+events_unbound22:10:111
167739599291,5cyclictest131rcu_preempt20:20:131
1677390992923,4cyclictest1708470-21kworker/u8:1+events_unbound21:07:500
1677390992922,4cyclictest0-21swapper/019:35:270
1677390992920,5cyclictest0-21swapper/022:30:000
1677390992920,4cyclictest0-21swapper/021:15:000
1677403992817,8cyclictest1722171-21grep21:15:253
1677403992814,11cyclictest1724954-21/usr/sbin/munin21:25:163
1677403992814,11cyclictest1697248-21/usr/sbin/munin20:05:153
1677403992811,14cyclictest1708148-21sed20:35:253
1677399992819,5cyclictest0-21swapper/222:50:252
1677399992818,6cyclictest0-21swapper/221:20:002
1677399992816,8cyclictest1765963-21latency_hist23:25:012
1677395992822,4cyclictest1721216-21kworker/u8:1+events_unbound21:27:551
1677395992822,4cyclictest1696573-21kworker/u8:1+events_unbound20:08:401
1677395992821,5cyclictest1736308-21kworker/u8:0+events_unbound22:00:181
1677395992820,4cyclictest1695182-21sendmail20:00:011
1677395992817,7cyclictest1696450-21grep20:00:261
167739599281,4cyclictest0-21swapper/119:25:131
1677390992821,4cyclictest1733164-21munin-plugin-st21:50:010
1677390992821,3cyclictest0-21swapper/022:00:260
1677390992821,3cyclictest0-21swapper/021:40:010
1677390992820,5cyclictest1780115-21missed_timers00:05:190
1677403992718,6cyclictest1783386-21df_inode00:15:153
1677403992718,6cyclictest1741277-21/usr/sbin/munin22:10:253
1677403992717,7cyclictest1764428-21diskstats23:20:143
1677403992717,7cyclictest1735268-21/usr/sbin/munin21:55:173
1677403992717,7cyclictest1717916-21/usr/sbin/munin21:05:153
1677403992715,9cyclictest1747032-21/usr/sbin/munin22:30:193
1677399992721,4cyclictest1710108-21unixbench_singl20:40:252
1677399992718,4cyclictest0-21swapper/200:38:462
1677399992717,6cyclictest0-21swapper/220:10:252
167739599277,6cyclictest131rcu_preempt21:50:111
1677395992721,4cyclictest380-21ntpd20:30:211
1677395992720,5cyclictest1686275-21kworker/u8:0+events_unbound19:32:531
1677395992720,4cyclictest0-21swapper/119:20:261
1677395992719,5cyclictest1789799-21kworker/u8:2+events_unbound00:36:011
1677395992719,5cyclictest1689738-21kworker/u8:0+events_unbound19:43:361
1677390992721,4cyclictest1771291-21kworker/u8:3+events_unbound23:43:230
1677403992611,11cyclictest1738508-21munin-node22:05:133
1677399992619,5cyclictest1673685-21kworker/u8:2+events_unbound19:27:312
1677399992618,5cyclictest0-21swapper/220:00:012
1677399992617,6cyclictest1779861-21grep00:05:152
1677399992616,7cyclictest1696366-21sshd20:00:262
1677399992616,6cyclictest0-21swapper/223:15:292
1677395992619,4cyclictest0-21swapper/100:15:231
1677395992617,5cyclictest438-21cron20:55:011
1677395992615,7cyclictest1755057-21grep22:50:241
1677395992615,7cyclictest1708381-21grep20:35:251
167739099263,20cyclictest0-21swapper/019:34:210
1677390992621,2cyclictest0-21swapper/020:50:130
1677390992619,4cyclictest1702014-21munin-plugin-st20:20:000
1677390992619,4cyclictest0-21swapper/000:20:240
1677390992618,6cyclictest1760876-21kworker/u8:1+events_unbound23:13:160
1677390992617,6cyclictest0-21swapper/022:40:000
1677390992617,6cyclictest0-21swapper/000:40:000
1677390992616,6cyclictest1748087-21grep22:30:270
1677399992519,3cyclictest0-21swapper/222:40:012
1677399992518,4cyclictest1719258-21kworker/u8:0+events_unbound21:10:172
1677399992518,3cyclictest0-21swapper/221:50:152
1677399992518,3cyclictest0-21swapper/220:20:012
1677399992518,3cyclictest0-21swapper/220:05:162
1677399992517,4cyclictest0-21swapper/221:37:582
1677395992518,5cyclictest1750049-21kworker/u8:3+events_unbound22:55:201
1677395992518,5cyclictest1750049-21kworker/u8:3+events_unbound22:55:201
1677395992518,4cyclictest1719289-21kthreadd21:10:001
1677395992517,5cyclictest0-21swapper/122:20:151
1677395992516,7cyclictest1771291-21kworker/u8:3+events_unbound23:47:111
1677390992520,3cyclictest1677384-21cyclictest23:05:110
1677390992515,6cyclictest0-21swapper/021:40:260
1677399992418,3cyclictest0-21swapper/222:30:272
1677399992417,4cyclictest0-21swapper/219:35:262
1677399992417,3cyclictest0-21swapper/219:30:232
167739999241,6cyclictest1761954-21grep23:10:262
1677399992416,6cyclictest311ktimers/220:50:052
1677399992415,5cyclictest0-21swapper/222:00:172
1677395992417,5cyclictest1739746-21kworker/u8:2+events_unbound22:39:481
1677395992417,4cyclictest1758571-21kworker/u8:0+events_unbound23:14:411
167739599241,6cyclictest0-21swapper/123:42:251
1677395992416,6cyclictest1721216-21kworker/u8:1+events_unbound21:24:411
167739099243,6cyclictest131rcu_preempt20:00:130
167739099242,4cyclictest131rcu_preempt23:50:120
1677390992419,3cyclictest0-21swapper/021:30:180
1677390992418,3cyclictest0-21swapper/023:40:000
1677390992417,3cyclictest0-21swapper/019:25:160
167739099241,4cyclictest1692566-21ntp_offset19:50:210
1677390992414,6cyclictest0-21swapper/021:25:000
167739099241,20cyclictest645-21runrttasks23:45:150
167739099241,20cyclictest17686222sleep023:30:240
167739099241,19cyclictest0-21swapper/022:11:020
167739099241,19cyclictest0-21swapper/020:46:010
167739099241,19cyclictest0-21swapper/020:36:110
167739099241,19cyclictest0-21swapper/020:28:370
167739099241,19cyclictest0-21swapper/020:08:160
1677399992316,3cyclictest0-21swapper/222:20:252
1677399992315,5cyclictest1777735-21grep00:00:012
1677399992315,5cyclictest0-21swapper/223:40:252
1677399992315,5cyclictest0-21swapper/221:45:012
1677399992315,5cyclictest0-21swapper/220:55:162
1677395992316,5cyclictest1782703-21kworker/u8:1+events_unbound00:27:281
1677395992313,7cyclictest1699010-21grep20:10:171
167739599231,11cyclictest0-21swapper/123:23:251
167739099231,20cyclictest0-21swapper/020:20:020
167739999227,7cyclictest1680857-21grep19:15:242
1677399992216,3cyclictest0-21swapper/221:00:212
1677399992211,7cyclictest1-21systemd23:03:132
167739599226,9cyclictest24-21ksoftirqd/121:30:221
1677395992217,2cyclictest0-21swapper/121:10:141
1677395992216,3cyclictest0-21swapper/122:25:231
167739099221,19cyclictest0-21swapper/022:20:190
167739999211,6cyclictest1723318-21tune2fs21:20:172
1677399992116,3cyclictest1740208-21apt22:10:112
1677399992111,7cyclictest1745694-21cut22:25:192
1677399992110,7cyclictest0-21swapper/223:30:162
167739099211,16cyclictest0-21swapper/023:00:540
1677399992014,4cyclictest1704124-21fschecks_count20:25:162
1677395992014,3cyclictest1759185-21/usr/sbin/munin23:05:261
1677395992014,3cyclictest0-21swapper/100:00:261
1677390992016,2cyclictest0-21swapper/022:45:210
167739999198,8cyclictest1778069-21df_inode00:00:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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