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2026-05-09 - 19:11
OSADL QA Farm

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of system in rack #7, slot #2

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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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot2.osadl.org (updated Sat May 09, 2026 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
1645350999989,7cyclictest1652973-21kworker/u4:13+events_unbound08:10:331
1645348999576,16cyclictest53-21kswapd011:40:110
1645350999484,7cyclictest1836008-21kworker/u4:11+events_unbound12:21:181
1645348999262,24cyclictest53-21kswapd009:40:100
1645350998774,10cyclictest1765841-21kworker/u4:9+events_unbound11:10:011
1645350998679,5cyclictest1642848-21kworker/u4:4+events_unbound08:00:311
1645348998664,11cyclictest1846588-21rm12:25:080
1645350998578,5cyclictest1709633-21kworker/u4:9+events_unbound09:55:531
1645350998577,6cyclictest1652973-21kworker/u4:13+events_unbound07:40:011
1645350998576,7cyclictest1646578-21kworker/u4:5+events_unbound07:15:111
1645350998375,6cyclictest1718450-21kworker/u4:2+events_unbound11:01:021
1645350998374,7cyclictest1668404-21kworker/u4:7+events_unbound08:45:411
1645348998329,37cyclictest0-21swapper/010:40:340
1645350998074,4cyclictest1796860-21kworker/u4:11+events_unbound11:31:081
1645348997929,30cyclictest1663521-21aten2__08:20:160
1645348997922,45cyclictest0-21swapper/010:24:590
1645350997870,6cyclictest1792450-21kworker/u4:7+events_unbound11:26:071
1645350997870,6cyclictest1788001-21kworker/u4:2+events_unbound11:36:061
164534899783,50cyclictest1789740-21modprobe11:20:000
1645350997768,7cyclictest1632465-21kworker/u4:9+events_unbound07:20:111
1645348997740,34cyclictest1852273-21sed12:30:410
1645348997726,39cyclictest0-21swapper/011:35:300
1645348997625,39cyclictest0-21swapper/009:23:130
1645348997625,27cyclictest0-21swapper/009:35:280
1645348997521,30cyclictest25650irq/23-42890000.ethernet10:55:280
1645348997514,42cyclictest1672790-21fschecks_count08:55:180
1645348997326,36cyclictest0-21swapper/010:15:180
1645348997326,36cyclictest0-21swapper/010:15:180
1645350997265,5cyclictest1722879-21kworker/u4:12+events_unbound10:20:561
1645350997264,6cyclictest1853102-21kworker/u4:2+events_unbound12:36:231
1645348997229,39cyclictest0-21swapper/010:10:270
1645348997218,30cyclictest24850irq/20-imx-lcdifv3-crtc.011:26:030
1645350997163,6cyclictest1836008-21kworker/u4:11+events_unbound12:25:041
1645350997163,6cyclictest1652973-21kworker/u4:13+events_unbound07:40:161
164534899712,44cyclictest1777887-21ntpq11:05:340
1645348997123,36cyclictest0-21swapper/010:35:410
164534899703,60cyclictest1675095-21apt-get09:05:120
1645350996961,5cyclictest1676174-21kworker/u4:4+events_unbound09:30:501
1645348996924,23cyclictest0-21swapper/011:10:300
1645348996924,23cyclictest0-21swapper/011:10:290
164534899692,40cyclictest1667904-21ntpq08:35:280
164534899692,40cyclictest1667904-21ntpq08:35:270
1645348996923,27cyclictest0-21swapper/010:45:200
1645350996860,6cyclictest1714044-21kworker/u4:5+events_unbound10:25:561
164534899683,61cyclictest1724728-21ssh10:05:120
164534899681,47cyclictest1695080-21ntpq09:30:350
164534899681,42cyclictest1812105-21rm11:45:200
1645348996742,22cyclictest1829624-21gltestperf12:05:210
1645348996715,31cyclictest0-21swapper/011:50:340
164534899671,43cyclictest1842670-21expr12:20:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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