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2026-02-09 - 04:08
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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 50 highest latencies:
System rackbslot7.osadl.org (updated Mon Feb 09, 2026 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
250321387,78sleep015-21ksoftirqd/019:02:560
37819911558,50cyclictest200-21systemd-journal00:32:280
3781991083,91cyclictest1695-21apt-get23:32:400
3652210521,55sleep13677-21munin-run19:07:291
37949910424,37cyclictest0-21swapper/221:48:592
2335321040,5sleep00-21swapper/022:20:030
37819910240,55cyclictest0-21swapper/020:38:130
3781991013,63cyclictest1241-21rm00:26:120
37819910131,42cyclictest13202-21kworker/u17:022:57:330
3781991012,86cyclictest10278-21ssh22:52:450
3781991012,86cyclictest10278-21ssh22:52:450
37819910041,49cyclictest0-21swapper/022:22:540
379499993,32cyclictest16778-21runrttasks21:16:202
3781999927,61cyclictest0-21swapper/021:12:080
3781999923,67cyclictest0-21swapper/019:43:060
378199983,64cyclictest10000-21seq21:58:020
378199983,64cyclictest10000-21seq21:58:020
3781999823,47cyclictest0-21swapper/021:52:550
379499973,33cyclictest7334-21taskset00:36:402
3781999744,46cyclictest14494-21timerandwakeup23:53:040
3781999719,60cyclictest0-21swapper/021:22:590
3794999650,9cyclictest181rcu_preempt20:57:472
379499963,27cyclictest352-21runrttasks19:48:102
379499963,27cyclictest352-21runrttasks19:48:102
378199953,82cyclictest8741-21/usr/sbin/munin23:43:040
378199953,80cyclictest0-21swapper/022:12:410
3781999537,51cyclictest0-21swapper/021:22:290
3781999537,50cyclictest0-21swapper/022:27:450
3781999537,50cyclictest0-21swapper/022:27:450
3781999533,52cyclictest0-21swapper/021:48:030
378199952,88cyclictest0-21swapper/023:47:420
378199952,88cyclictest0-21swapper/023:47:420
378199952,81cyclictest1064-21apt-get22:37:390
3781999527,60cyclictest0-21swapper/000:18:000
3781999527,60cyclictest0-21swapper/000:18:000
3794999450,40cyclictest3281-21kworker/u17:0+events_unbound22:52:282
378199944,82cyclictest7667-21apt-get19:17:420
378199942,84cyclictest0-21swapper/019:32:440
3781999421,44cyclictest0-21swapper/021:42:350
378599933,35cyclictest10658-21ssh23:47:441
378599933,35cyclictest10658-21ssh23:47:441
3781999340,45cyclictest0-21swapper/019:07:460
378199932,80cyclictest0-21swapper/019:47:450
378199932,80cyclictest0-21swapper/019:47:450
3794999255,32cyclictest3771-21cyclictest22:57:292
3794999255,32cyclictest3771-21cyclictest22:57:292
379499922,27cyclictest13710-21taskset19:36:142
379499922,25cyclictest6097-21sh23:38:562
3781999241,45cyclictest0-21swapper/022:03:060
378199923,60cyclictest22250-21taskset23:12:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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