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2026-01-17 - 07:02
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #a, 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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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 highest latencies:
System rackaslot5s.osadl.org (updated Sat Jan 17, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81980,0rcu_preempt19-21ksoftirqd/122:19:531
81950,0rcu_preempt54-21kswapd023:20:031
81860,0rcu_preempt851-21rngd21:58:211
81810,0rcu_preempt19-21ksoftirqd/123:39:581
81800,0rcu_preempt26603-1kworker/1:1H23:00:011
81800,0rcu_preempt26603-1kworker/1:1H23:00:011
81780,0rcu_preempt3-21ksoftirqd/000:27:240
81780,0rcu_preempt19-21ksoftirqd/121:15:031
81750,0rcu_preempt26411-1kworker/1:0H21:20:391
81690,0rcu_preempt28391-1kworker/1:3H23:19:531
26244996826,0cyclictest16510-1kworker/0:0H20:20:040
81670,0rcu_preempt19-21ksoftirqd/122:55:221
81660,0rcu_preempt2124-1kworker/1:4H22:20:141
26244996627,0cyclictest27446-21ssh22:42:490
81650,0rcu_preempt19-21ksoftirqd/121:52:361
81650,0rcu_preempt19-21ksoftirqd/100:10:131
26244996521,0cyclictest17040-21ssh00:11:220
26244996520,0cyclictest0-21swapper/023:17:270
26244996422,0cyclictest13672-21ssh00:08:250
81630,0rcu_preempt54-21kswapd019:05:091
81630,0rcu_preempt19-21ksoftirqd/123:25:191
81630,0rcu_preempt19-21ksoftirqd/100:35:251
26244996327,0cyclictest8678-21munin-node0
26244996327,0cyclictest5165-21munin-node0
26244996326,0cyclictest1750-21ssh21:10:120
26244996326,0cyclictest14904-21taskset20:11:350
26244996326,0cyclictest1470-21runrttasks21:53:280
26244996229,0cyclictest31472-1kworker/0:2H22:50:570
26244996229,0cyclictest23030-21apt-get23:45:040
26244996226,0cyclictest20454-21seq21:29:490
26244996224,0cyclictest7398-21ssh00:35:130
26244996219,0cyclictest10689-1kworker/0:2H23:36:110
81610,0rcu_preempt19-21ksoftirqd/122:30:171
26244996131,0cyclictest18199-21aten_rapower_cu23:40:050
26244996128,0cyclictest13598-21munin-node0
26244996127,0cyclictest32045-21df_inode21:05:080
26244996127,0cyclictest29533-21ping19:40:040
26244996127,0cyclictest29533-21ping19:40:040
26244996127,0cyclictest24807-21ssh00:20:020
81600,0rcu_preempt19-21ksoftirqd/123:11:441
26244996029,0cyclictest28085-21ssh22:10:130
26244996029,0cyclictest17716-21ssh22:00:040
26244996025,0cyclictest4537-21wc23:25:210
81590,0rcu_preempt19-21ksoftirqd/122:35:051
81590,0rcu_preempt19-21ksoftirqd/122:01:501
81590,0rcu_preempt19-21ksoftirqd/120:54:531
26244995926,0cyclictest20599-21rm23:09:250
26244995923,0cyclictest10131-21ping20:19:540
26244995922,0cyclictest14365-21ssh21:23:130
26244995921,0cyclictest905-21if_eth323:55:130
26244995920,0cyclictest0-21swapper/000:18:330
26244995829,0cyclictest5269-21apt-get00:00:040
26244995827,0cyclictest1726-21rm23:22:530
26244995826,0cyclictest599-21munin-node0
26244995826,0cyclictest28245-21taskset23:50:110
26244995825,0cyclictest20993-21ssh21:30:070
26244995824,0cyclictest0-21swapper/021:15:030
81570,0rcu_preempt19-21ksoftirqd/123:48:141
81570,0rcu_preempt19-21ksoftirqd/100:15:181
81570,0rcu_preempt19-21ksoftirqd/100:02:251
26244995725,0cyclictest3600-21awk21:45:130
26244995725,0cyclictest3600-21awk21:45:130
26244995722,0cyclictest0-21swapper/022:30:230
26244995722,0cyclictest0-21swapper/021:37:390
26244995720,0cyclictest0-21swapper/022:36:140
81560,0rcu_preempt19-21ksoftirqd/100:05:031
26244995628,0cyclictest9713-21munin-node0
26244995628,0cyclictest9713-21munin-node0
26244995628,0cyclictest29779-21ssh22:45:140
26244995625,0cyclictest2761-21diskmemload00:30:150
26244995620,0cyclictest0-21swapper/019:20:030
26244995619,0cyclictest0-21swapper/022:06:100
26244995530,0cyclictest29533-21ping19:30:030
26244995528,0cyclictest11467-21apt-get23:00:040
26244995528,0cyclictest11467-21apt-get23:00:040
26244995526,0cyclictest30398-21df_inode21:00:070
26244995522,0cyclictest7350-21munin-node0
26244995521,0cyclictest22869-1kworker/0:0H21:41:140
81540,0rcu_preempt19-21ksoftirqd/121:43:301
26244995428,0cyclictest10446-21apt-get20:00:040
26244995426,0cyclictest10278-21sendmail19:59:520
26244995420,0cyclictest0-21swapper/023:10:520
10050540,0irq/346-484840054-21kswapd023:07:401
81530,0rcu_preempt893-21diskmemload23:35:201
81530,0rcu_preempt3-21ksoftirqd/019:50:050
26244995330,0cyclictest29533-21ping19:25:050
26244995326,0cyclictest20485-21dropbear20:30:070
26244995320,0cyclictest0-21swapper/019:19:530
10050530,0irq/346-48484005168-1kworker/1:3H21:49:231
10050530,0irq/346-48484005168-1kworker/1:3H21:49:231
26244995233,0cyclictest26389-21apt-get19:10:040
26244995224,0cyclictest0-21swapper/020:55:130
10050520,0irq/346-48484000-21swapper/122:54:531
26244995127,0cyclictest29533-21ping19:35:140
26244995125,0cyclictest23644-21aten_rapower_cu20:40:060
26244995121,0cyclictest0-21swapper/020:45:150
10050510,0irq/346-48484008646-21fschecks_count23:30:081
10050510,0irq/346-484840054-21kswapd021:31:131
81500,0rcu_preempt893-21diskmemload23:55:171
81500,0rcu_preempt12088-21apt-get20:05:031
81500,0rcu_preempt0-21swapper/119:25:121
26244995028,0cyclictest29533-21ping19:45:100
26244995021,0cyclictest0-21swapper/020:08:580
26244995017,0cyclictest0-21swapper/020:38:360
81490,0rcu_preempt19-21ksoftirqd/120:40:091
26244994919,0cyclictest0-21swapper/020:50:080
81480,0rcu_preempt10131-21ping20:10:171
26244994821,0cyclictest0-21swapper/020:25:240
10050480,0irq/346-48484002124-1kworker/1:4H22:40:191
9950470,0irq/345-484840054-21kswapd019:32:111
9950470,0irq/345-48484000-21swapper/119:40:001
9950470,0irq/345-48484000-21swapper/119:40:001
9950470,0irq/345-48484000-21swapper/019:05:100
10050470,0irq/346-48484008635-21latency_hist19:54:531
10050470,0irq/346-484840024753-1kworker/1:1H22:09:111
81460,0rcu_preempt19-21ksoftirqd/121:35:031
81460,0rcu_preempt19-21ksoftirqd/121:10:101
10050460,0irq/346-484840029533-21ping19:47:491
81450,0rcu_preempt1339-21snmpd00:26:001
10050450,0irq/346-4848400851-21rngd00:21:551
10050450,0irq/346-48484000-21swapper/100:33:481
81440,0rcu_preempt8122-21kworker/1:123:50:141
81440,0rcu_preempt21950-21apt-get20:35:041
81440,0rcu_preempt19-21ksoftirqd/122:11:401
81440,0rcu_preempt19-21ksoftirqd/120:15:221
10050440,0irq/346-48484002333-21wget19:35:081
81420,0rcu_preempt893-21diskmemload21:25:221
81420,0rcu_preempt19-21ksoftirqd/120:25:081
81420,0rcu_preempt19-21ksoftirqd/120:20:111
81420,0rcu_preempt0-21swapper/122:45:051
10050420,0irq/346-484840010025-1kworker/1:3H19:59:531
81410,0rcu_preempt0-21swapper/119:15:041
10050410,0irq/346-484840054-21kswapd021:06:351
10050410,0irq/346-484840010456-21munin-node1
81400,0rcu_preempt29533-21ping19:20:061
81400,0rcu_preempt25721-21iwlist20:45:121
81400,0rcu_preempt19-21ksoftirqd/122:26:581
81400,0rcu_preempt19-21ksoftirqd/122:26:581
81390,0rcu_preempt0-21swapper/120:55:171
81370,0rcu_preempt19-21ksoftirqd/120:59:551
81370,0rcu_preempt19-21ksoftirqd/120:30:061
81370,0rcu_preempt19-21ksoftirqd/119:10:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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