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2026-01-27 - 16:42
[ 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 #5, slot #3

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 100 highest latencies:
System rack5slot3s.osadl.org (updated Tue Jan 27, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232952235162,23sleep00-21swapper/007:09:440
232952235162,23sleep00-21swapper/007:09:440
230722234158,24sleep10-21swapper/107:06:511
230722234158,24sleep10-21swapper/107:06:511
229662227195,21sleep30-21swapper/307:05:293
229662227195,21sleep30-21swapper/307:05:283
231812201165,24sleep20-21swapper/207:08:172
231812201165,24sleep20-21swapper/207:08:172
1810121670,4sleep22341399cyclictest08:10:012
523821320,4sleep12340899cyclictest10:05:221
23418991110,109cyclictest0-21swapper/310:40:183
23418998582,2cyclictest0-21swapper/309:16:093
23418997874,3cyclictest0-21swapper/307:47:583
23418996259,2cyclictest0-21swapper/310:14:253
83092540,1sleep10-21swapper/111:25:241
132882520,5sleep313289-21grep07:55:243
326322510,5sleep032634-21unixbench-2d12:20:250
2341899432,24cyclictest25351-21sed10:50:253
2340899437,28cyclictest9848-21hddtemp_smartct11:30:141
23418994238,3cyclictest0-21swapper/311:06:303
2341899421,30cyclictest3202-21/usr/sbin/munin12:30:233
2341899421,30cyclictest26497-21/usr/sbin/munin07:15:123
2341899421,23cyclictest5995-21processes11:20:213
2341899411,29cyclictest29926-21/usr/sbin/munin09:50:163
2341899411,29cyclictest25303-21latency_hist09:40:013
2341899411,28cyclictest0-21swapper/310:25:213
23408994010,19cyclictest15648-21latency_hist11:45:011
23402994010,14cyclictest8956-21munin-run11:30:010
2341899391,27cyclictest0-21swapper/312:05:133
23413993922,3cyclictest0-21swapper/212:06:072
2340899398,15cyclictest3202-21/usr/sbin/munin12:30:141
2340899395,26cyclictest0-21swapper/112:05:121
23408993911,18cyclictest23041-21sshd09:34:241
2341899383,4cyclictest0-21swapper/310:30:223
2341899381,6cyclictest2639-21smartctl10:00:153
2341899381,26cyclictest12726-21latency_hist10:25:013
2340899389,14cyclictest19090-21grep09:25:121
2340899389,14cyclictest19090-21grep09:25:121
2340899387,22cyclictest12112-21diskmemload09:14:241
23408993818,16cyclictest10291-40dnf10:17:081
23408993811,11cyclictest88350irq/128-enp1s0-12:30:011
2341899373,26cyclictest0-21swapper/312:22:463
2341899370,28cyclictest0-21swapper/309:55:213
2341399371,13cyclictest7548-21fschecks_time11:25:152
2341899365,19cyclictest88450irq/129-enp1s0-07:35:253
2341899361,3cyclictest0-21swapper/310:45:213
2341899361,25cyclictest23099-21latency_hist09:35:023
2341899361,17cyclictest0-21swapper/311:36:543
2341899360,7cyclictest0-21swapper/312:13:003
23413993624,7cyclictest0-21swapper/209:31:522
2340899369,15cyclictest22561-21irqstats10:45:171
23408993615,12cyclictest13687-21munin-run08:00:011
23408993614,11cyclictest823-21snmpd11:52:431
23408993614,11cyclictest823-21snmpd11:52:431
23408993610,9cyclictest17073-21df09:20:151
2341899355,16cyclictest0-21swapper/312:16:193
2341899353,25cyclictest0-21swapper/310:06:543
2341899352,18cyclictest0-21swapper/311:28:373
2341899351,6cyclictest3017-21cat12:30:023
23418993516,16cyclictest15038-21grep11:40:233
2341899351,3cyclictest20164-21/usr/sbin/munin11:55:213
2340899359,23cyclictest913-21sssd_nss11:20:231
2340899359,19cyclictest8214-21kworker/u8:010:21:071
23408993516,9cyclictest16211-40dnf09:16:231
23408993511,14cyclictest29385-21fschecks_count12:15:141
2341899342,6cyclictest3537-21/usr/sbin/munin08:50:173
2341899341,6cyclictest25807-21cstates09:40:103
2341899341,3cyclictest27577-21timerwakeupswit10:55:243
2341899341,18cyclictest20282-21latency_hist08:15:003
2340899349,15cyclictest29926-21/usr/sbin/munin09:50:201
2340899349,12cyclictest27104-21/usr/sbin/munin12:10:111
2340899341,22cyclictest8102-21chrt10:12:121
2341899333,21cyclictest18632-21switchtime10:35:263
2341899333,21cyclictest18632-21switchtime10:35:263
2341899333,18cyclictest0-21swapper/311:00:203
2341899331,4cyclictest31500-21/usr/sbin/munin08:40:143
2341899331,3cyclictest22634-21expr12:00:123
2341899331,3cyclictest0-21swapper/311:48:163
2341899331,19cyclictest0-21swapper/311:30:173
2341899330,3cyclictest12520-21cstates09:10:133
2341399331,30cyclictest0-21swapper/211:13:022
2341399331,23cyclictest0-21swapper/208:00:192
2341399331,11cyclictest0-21swapper/210:15:132
2341399330,27cyclictest0-21swapper/211:39:432
2340899338,15cyclictest12112-21diskmemload10:03:191
2340899337,11cyclictest11200-21ntpq09:05:211
23408993313,16cyclictest28949-21ps09:45:231
23408993312,7cyclictest9520-21/usr/sbin/munin07:50:161
23408993312,10cyclictest25879-21diskstats09:40:131
23408993311,19cyclictest31613-21ntp_states11:05:211
23408993310,11cyclictest4275-21timerandwakeup07:35:251
2341899323,17cyclictest19038-21taskset11:50:213
2341899323,17cyclictest19038-21taskset11:50:203
2341899322,3cyclictest0-21swapper/309:20:403
2341899322,25cyclictest25984-21ntp_states08:25:223
2341899321,6cyclictest20276-21timerandwakeup09:25:253
2341899321,6cyclictest20276-21timerandwakeup09:25:253
2341899321,5cyclictest17097-21sed08:05:193
2341899321,5cyclictest0-21swapper/309:47:383
2341899321,3cyclictest88150irq/126-enp1s0-07:50:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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