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2026-02-02 - 21:22
[ 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 #9, slot #4

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.
Unexpectedly long latencies may be caused by SMIs
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 rack9slot4s (updated Mon Feb 02, 2026 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91279911941163,25cyclictest9403-21cpu07:25:131
91279911671155,7cyclictest22614-21diskstats09:15:151
91269911271075,40cyclictest9565-21diskstats07:25:150
86862566471,81sleep10-21swapper/107:21:031
88402511465,31sleep00-21swapper/007:22:420
991221100,7sleep0912699cyclictest11:16:120
245882980,7sleep1912799cyclictest12:39:081
9126999181,7cyclictest0-21swapper/009:15:150
168592870,4sleep1211ktimersoftd/112:30:271
912799537,15cyclictest22-21ksoftirqd/110:38:131
323362530,3sleep00-21swapper/011:05:520
912799526,6cyclictest22-21ksoftirqd/112:40:101
912799504,6cyclictest22-21ksoftirqd/112:48:031
9127995020,4cyclictest22-21ksoftirqd/111:27:481
912799484,6cyclictest22-21ksoftirqd/110:31:571
912799484,6cyclictest22-21ksoftirqd/109:29:261
9127994811,6cyclictest22-21ksoftirqd/110:28:581
912799472,6cyclictest22-21ksoftirqd/111:52:421
912799472,14cyclictest22-21ksoftirqd/110:49:291
912799472,14cyclictest22-21ksoftirqd/109:47:331
9127994718,4cyclictest22-21ksoftirqd/111:39:481
9127994718,4cyclictest22-21ksoftirqd/111:39:481
9127994711,25cyclictest21042-21tune2fs10:20:161
166702470,24sleep122-21ksoftirqd/110:15:231
912799464,4cyclictest81rcu_preempt10:11:271
9127994610,4cyclictest81rcu_preempt12:00:261
912799459,4cyclictest81rcu_preempt10:00:291
912799458,6cyclictest8242-21ssh10:06:321
912799457,6cyclictest22-21ksoftirqd/109:53:341
912799448,6cyclictest27411-21cstates09:20:121
912799448,6cyclictest22-21ksoftirqd/109:36:531
912799448,32cyclictest0-21swapper/112:52:561
912799448,10cyclictest455-21memory11:40:221
912799447,9cyclictest27526-21sh11:00:571
912799447,6cyclictest22-21ksoftirqd/111:20:281
912799447,6cyclictest17244-21sh11:57:461
912799444,6cyclictest22-21ksoftirqd/109:05:111
9127994421,4cyclictest22-21ksoftirqd/111:09:131
9127994421,12cyclictest22-21ksoftirqd/112:20:091
9127994413,3cyclictest22-21ksoftirqd/107:59:351
9127994410,3cyclictest81rcu_preempt11:17:101
912799438,6cyclictest22-21ksoftirqd/109:13:581
912799438,5cyclictest22-21ksoftirqd/110:41:351
912799437,5cyclictest24203-21diskstats12:05:141
912799437,4cyclictest81rcu_preempt07:45:191
912799435,8cyclictest0-21swapper/112:18:031
9127994323,4cyclictest22-21ksoftirqd/107:30:111
912799429,4cyclictest81rcu_preempt09:55:171
912799428,5cyclictest22-21ksoftirqd/107:39:441
912799427,6cyclictest22-21ksoftirqd/112:25:191
912799427,6cyclictest22-21ksoftirqd/110:57:561
912799427,6cyclictest22-21ksoftirqd/110:57:561
912799427,5cyclictest4514-21ssh11:45:021
912799426,6cyclictest22-21ksoftirqd/108:00:151
912799426,5cyclictest5215-21irqstats09:30:221
912799425,6cyclictest22-21ksoftirqd/108:35:281
912799425,6cyclictest22-21ksoftirqd/108:30:191
912799418,10cyclictest15624-21/usr/sbin/munin07:40:191
912799417,6cyclictest22-21ksoftirqd/108:49:241
912799417,5cyclictest29485-21idleruntime08:15:181
912799415,6cyclictest22-21ksoftirqd/111:34:441
912799411,9cyclictest0-21swapper/111:10:021
912799411,9cyclictest0-21swapper/110:52:501
912799411,9cyclictest0-21swapper/109:41:191
912799411,9cyclictest0-21swapper/108:50:201
9127994110,4cyclictest81rcu_preempt12:11:161
912799408,5cyclictest22-21ksoftirqd/108:05:381
912799406,6cyclictest22-21ksoftirqd/108:40:191
9127994010,4cyclictest81rcu_preempt08:25:121
912699408,28cyclictest0-21swapper/012:20:350
276932400,8sleep0912699cyclictest10:26:370
9127993914,6cyclictest22-21ksoftirqd/108:56:281
9126993911,10cyclictest0-21swapper/009:27:020
912799386,4cyclictest81rcu_preempt07:50:111
912799376,9cyclictest31250-21fschecks_time08:20:161
912799375,4cyclictest81rcu_preempt09:00:061
912799373,4cyclictest0-21swapper/108:10:071
912699375,16cyclictest2206-21dbus-daemon08:29:210
9126993714,6cyclictest15446-21/usr/sbin/munin09:05:320
171532370,20sleep017166-21ssh09:42:410
912699363,29cyclictest0-21swapper/010:55:560
912699363,29cyclictest0-21swapper/010:55:550
912699361,14cyclictest29025-21sh12:43:340
912699361,14cyclictest19648-21sshd10:53:350
152712361,30sleep02206-21dbus-daemon09:04:560
912699355,5cyclictest81rcu_preempt12:35:320
912699354,27cyclictest2309-21cron12:00:000
9126993527,6cyclictest0-21swapper/012:27:160
912699352,4cyclictest81rcu_preempt10:00:100
912699351,5cyclictest2403-21irqbalance09:59:550
130122351,29sleep013026-21ssh11:53:390
912699348,4cyclictest81rcu_preempt09:20:360
912699347,15cyclictest81rcu_preempt11:15:000
912699346,5cyclictest0-21swapper/010:23:510
912699344,4cyclictest81rcu_preempt10:36:130
912699344,4cyclictest81rcu_preempt10:10:000
9126993427,5cyclictest0-21swapper/008:12:560
912699342,4cyclictest81rcu_preempt10:15:290
912699342,4cyclictest81rcu_preempt09:14:070
9126993414,6cyclictest20235-21python09:45:290
912699341,29cyclictest4824-21ssh12:18:350
9126993411,5cyclictest23919-21users11:30:300
159072341,29sleep015914-21df_inode07:40:140
912699334,4cyclictest81rcu_preempt12:33:170
9126993326,4cyclictest0-21swapper/011:23:560
912699332,4cyclictest0-21swapper/012:11:550
912699331,6cyclictest0-21swapper/012:07:550
9126993314,6cyclictest26713-21ntp_states11:00:240
199652331,4sleep019967-21ssh11:26:450
912699323,4cyclictest81rcu_preempt10:45:160
9126993222,6cyclictest1352-21ssh10:33:290
912699321,5cyclictest0-21swapper/010:40:350
9126993215,8cyclictest3-21ksoftirqd/008:45:270
912699321,29cyclictest0-21swapper/008:50:360
912699321,29cyclictest0-21swapper/008:18:560
912699321,29cyclictest0-21swapper/007:32:550
912699321,26cyclictest1968-21lldpad10:14:020
88142321,27sleep08825-21ssh09:34:380
134322321,4sleep013446-21ssh09:39:200
912699317,12cyclictest31051-21expr08:20:110
912699312,4cyclictest81rcu_preempt12:52:020
912699312,4cyclictest81rcu_preempt11:43:320
9126993124,4cyclictest30225-21cpu12:45:130
912699311,5cyclictest29546-21ssh11:36:400
912699311,5cyclictest29546-21ssh11:36:390
9126993112,5cyclictest20106-21processes12:00:260
74352311,26sleep02403-21irqbalance08:41:460
912699305,12cyclictest5329-21sh11:45:230
912699304,13cyclictest12939-21users08:55:300
912699303,11cyclictest0-21swapper/007:52:460
912699301,9cyclictest81rcu_preempt09:53:570
912699301,4cyclictest81rcu_preempt08:33:490
9126993013,4cyclictest2645-21snmpd07:47:450
9126992922,5cyclictest0-21swapper/008:07:560
912699291,4cyclictest81rcu_preempt08:35:110
249142291,5sleep00-21swapper/008:03:430
147642291,24sleep014924-21unixbench_multi07:35:300
9126992610,5cyclictest1968-21lldpad07:57:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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