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2026-07-09 - 23:57
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 100 highest latencies:
System rack7slot2.osadl.org (updated Thu Jul 09, 2026 12:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
205055399116108,6cyclictest2137309-21kworker/u4:2+events_unbound10:13:311
20505539910291,9cyclictest2141752-21kworker/u4:11+events_unbound10:25:451
20505539910291,9cyclictest2141752-21kworker/u4:11+events_unbound10:25:451
2050553999082,6cyclictest2119915-21kworker/u4:5+events_unbound09:55:401
2050553997668,6cyclictest2073663-21kworker/u4:8+events_unbound08:40:251
2050553997570,3cyclictest2065919-21kworker/u4:9+events_unbound08:55:311
2050552997536,35cyclictest0-21swapper/008:10:170
2050553997467,5cyclictest2167781-21kworker/u4:9+events_unbound11:00:501
2050553997466,6cyclictest2137312-21kworker/u4:6+events_unbound10:20:451
2050553997444,4cyclictest2113327-21fschecks_count09:45:211
2050553997162,7cyclictest2065919-21kworker/u4:9+events_unbound08:45:301
2050553997062,5cyclictest2041926-21kworker/u4:4+events_unbound08:35:011
2050553997061,6cyclictest2068458-21kworker/u4:1+events_unbound08:25:211
2050552997040,27cyclictest2105145-21grep09:35:400
205055299703,46cyclictest2236462-21ps12:05:390
2050552997031,36cyclictest2205355-21df_abs11:30:230
2050552996932,34cyclictest2057447-21fschecks_count07:35:220
2050553996857,8cyclictest53-21kswapd009:30:341
2050552996836,29cyclictest2223126-21ld11:50:250
2050552996833,33cyclictest2158284-21sh10:35:430
2050552996833,33cyclictest2158284-21sh10:35:430
2050552996832,33cyclictest2258004-21if_eth012:30:230
2050552996831,34cyclictest2136457-21unixbench-2d10:10:440
2050552996829,35cyclictest0-21swapper/010:50:170
2050552996733,29cyclictest0-21swapper/007:35:010
2050552996731,33cyclictest0-21swapper/009:10:300
2050552996728,36cyclictest0-21swapper/010:20:340
205055299671,17cyclictest2096424-21sed09:25:400
2050552996637,27cyclictest2076748-21fschecks_count08:50:190
2050552996636,27cyclictest2068458-21kworker/u4:1-rpciod09:30:170
2050552996632,31cyclictest0-21swapper/012:10:330
2050552996534,28cyclictest2166963-21cat10:45:410
2050552996530,31cyclictest0-21swapper/012:25:340
2050552996526,35cyclictest0-21swapper/010:40:180
2050552996430,31cyclictest2069643-21unixbench-2d08:20:370
2050552996430,31cyclictest0-21swapper/011:25:210
2050552996429,4cyclictest2067580-21df_abs08:15:170
2050552996429,32cyclictest0-21swapper/012:20:390
2050552996428,4cyclictest0-21swapper/012:35:300
2050552996428,32cyclictest0-21swapper/009:40:280
2050552996427,7cyclictest2187851-21df_abs11:10:190
2050552996427,34cyclictest0-21swapper/011:40:120
2050552996426,5cyclictest2050480-21kworker/u4:1-rpciod07:25:260
2050552996329,6cyclictest2062085-21kworker/u4:15-rpciod09:05:400
2050552996328,32cyclictest0-21swapper/009:15:330
2050552996327,6cyclictest0-21swapper/007:45:380
2050552996327,4cyclictest0-21swapper/012:05:010
2050552996326,5cyclictest0-21swapper/011:00:390
205055299632,30cyclictest2062875-21ntpq07:55:300
205055299631,13cyclictest2197182-21ntp_states11:20:310
2050552996233,26cyclictest0-21swapper/010:30:180
2050552996229,29cyclictest0-21swapper/008:45:150
2050552996226,7cyclictest0-21swapper/008:30:170
2050552996226,6cyclictest0-21swapper/010:55:400
2050552996225,4cyclictest0-21swapper/009:00:370
2050552996128,30cyclictest0-21swapper/011:05:200
2050552996127,5cyclictest0-21swapper/012:15:360
2050552996126,7cyclictest0-21swapper/010:00:280
2050552996126,5cyclictest2053304-21aten2__07:20:150
2050552996124,34cyclictest0-21swapper/008:40:000
2050552996122,9cyclictest2122172-21forks09:55:180
2050552996028,29cyclictest0-21swapper/010:05:310
2050552996026,6cyclictest2113497-21gltestperf09:45:230
2050552996025,4cyclictest2077586-21kworker/u4:19-rpciod09:20:170
2050552996022,7cyclictest0-21swapper/011:35:290
2050552995925,5cyclictest0-21swapper/011:58:310
2050552995923,6cyclictest0-21swapper/011:45:350
2050553995852,4cyclictest2176640-21kworker/u4:5+events_unbound11:00:001
2050553995851,5cyclictest2119915-21kworker/u4:5+events_unbound10:08:531
2050553995850,5cyclictest2051778-21kworker/u4:7+events_unbound08:10:171
2050553995849,6cyclictest0-21swapper/109:50:141
2050552995827,4cyclictest0-21swapper/008:40:310
2050552995723,9cyclictest2058737-21fschecks_count07:40:190
2050552995721,7cyclictest2051647-21unixbench-2d07:10:360
2050553995648,6cyclictest2241787-21kworker/u4:10+events_unbound12:26:031
2050553995648,6cyclictest2062089-21kworker/u4:16+events_unbound08:20:201
2050553995446,5cyclictest2073663-21kworker/u4:8+events_unbound09:15:351
2050552995445,6cyclictest53-21kswapd010:20:020
2050553995346,5cyclictest2209876-21/usr/sbin/munin11:35:191
2050553995338,12cyclictest2196664-21fschecks_count11:20:181
2050553995337,11cyclictest2130458-21modprobe10:05:001
2050553995244,6cyclictest2165538-21sh10:45:001
2050553995244,6cyclictest2060854-21systemd07:50:041
2050553995244,5cyclictest2262373-21/usr/sbin/munin12:35:201
2050553995242,7cyclictest2073663-21kworker/u4:8+events_unbound09:00:311
2050553995144,5cyclictest2053060-21kworker/u4:12+events_unbound07:25:011
2050553995143,6cyclictest2229121-21kworker/u4:0+events_unbound12:06:011
2050553995143,6cyclictest2185485-21kworker/u4:7+events_unbound11:40:571
2050553995139,9cyclictest2055903-21acpi07:30:111
2050553994941,5cyclictest2240150-21/usr/sbin/munin12:10:161
2050553994937,7cyclictest0-21swapper/110:30:121
2050552994942,5cyclictest2192377-21fschecks_time11:15:200
2050552994930,16cyclictest0-21swapper/007:20:010
2050553994837,7cyclictest0-21swapper/111:05:381
2050552994837,9cyclictest2117798-21fschecks_count09:50:200
2050553994740,5cyclictest2055668-21idleruntime-cro07:30:001
2050553994737,7cyclictest0-21swapper/111:30:191
2050553994725,8cyclictest2101851-21kworker/u4:3+events_unbound09:35:401
2050552994740,5cyclictest2070225-21sshd08:25:200
2050553994639,5cyclictest2086027-21latency_hist09:15:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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