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2026-01-25 - 14:35
[ 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 100 highest latencies:
System rackbslot7.osadl.org (updated Sun Jan 25, 2026 00:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22173991023,12cyclictest30649-21apt-get22:03:462
221739910179,12cyclictest0-21swapper/222:36:552
221739910152,42cyclictest0-21swapper/222:38:492
221739910152,42cyclictest0-21swapper/222:38:492
22166991014,44cyclictest23265-21grep19:09:041
221669910037,9cyclictest0-21swapper/122:09:031
221669910035,11cyclictest0-21swapper/120:28:501
221669910035,11cyclictest0-21swapper/120:28:501
22173999975,18cyclictest14777-21apt-key20:23:322
2217399993,56cyclictest1344-21idleruntime-cro19:43:282
22166999822,32cyclictest12545-21sh21:33:451
22173999743,47cyclictest1617-21ssh23:03:322
22173999728,8cyclictest0-21swapper/223:14:452
22166999778,11cyclictest11011-21fschecks_time23:18:491
2216699973,40cyclictest22013-21latency_hist19:08:331
22173999535,8cyclictest0-21swapper/220:24:522
22173999535,8cyclictest0-21swapper/220:24:522
22173999533,55cyclictest24232-21ssh00:34:032
22156999541,36cyclictest15-21ksoftirqd/023:40:350
2217399943,41cyclictest9047-21chmod21:28:302
22173999345,41cyclictest18096-21open_files00:24:022
2217399933,29cyclictest24837-21modprobe22:48:272
2217399932,33cyclictest4038-21wc21:19:012
22166999340,8cyclictest0-21swapper/121:54:081
22166999340,8cyclictest0-21swapper/121:54:081
2217399924,36cyclictest3380-21diskmemload23:59:082
2217399924,36cyclictest3380-21diskmemload23:59:082
22173999220,28cyclictest17350-21rm23:28:592
2216699923,39cyclictest11812-21fschecks_time20:14:081
22166999229,15cyclictest0-21swapper/121:18:521
218372926,67sleep00-21swapper/019:06:230
2217399919,63cyclictest11522-21apt-get20:13:412
22173999139,45cyclictest22727-21latency19:08:542
2217399913,35cyclictest31676-21timerwakeupswit19:34:032
22173999125,15cyclictest0-21swapper/200:03:552
2217399912,41cyclictest25791-21cpuspeed23:43:432
22156999169,15cyclictest4716-21latency_hist19:53:310
210222918,56sleep221024-21irqstats19:03:572
2217399903,42cyclictest9855-21wc00:11:022
2217399903,42cyclictest9855-21wc00:11:022
2217399903,35cyclictest22697-21/usr/sbin/munin23:38:552
2217399903,35cyclictest21315-21latency_hist21:48:322
2217399903,28cyclictest23242-21latency_hist00:33:302
2217399902,33cyclictest27998-21ssh21:58:552
2217399902,29cyclictest352-21runrttasks23:19:042
2216699903,35cyclictest21389-21/usr/sbin/munin21:48:481
2216699903,33cyclictest23020-21latency_hist20:48:311
2216699903,33cyclictest23020-21latency_hist20:48:311
22166999022,30cyclictest24684-21latency_hist20:53:311
22173998937,45cyclictest29330-21diskmemload23:57:552
2217399893,37cyclictest13147-21mailstats21:34:012
2217399893,33cyclictest25289-21cstates22:48:442
2217399893,28cyclictest19667-21/usr/sbin/munin23:33:592
2217399893,28cyclictest19667-21/usr/sbin/munin23:33:592
2217399884,32cyclictest14440-21/usr/sbin/munin00:19:022
2217399884,32cyclictest14440-21/usr/sbin/munin00:19:022
22173998837,45cyclictest16362-21timerwakeupswit21:39:032
22173998836,8cyclictest0-21swapper/220:08:552
2217399883,36cyclictest7262-21ssh23:13:082
2217399883,32cyclictest29223-21sshd23:48:542
2217399883,32cyclictest29223-21sshd23:48:542
22173998831,13cyclictest1980-21fschecks_time23:03:492
22173998819,12cyclictest0-21swapper/200:17:592
22166998830,16cyclictest0-21swapper/100:34:031
2217399873,33cyclictest21975-21ntp_kernel_pll_20:43:572
2217399873,33cyclictest21975-21ntp_kernel_pll_20:43:572
2217399873,31cyclictest9405-21modprobe20:08:272
2217399873,31cyclictest9405-21modprobe20:08:272
2217399873,30cyclictest28925-21grep21:04:032
2217399873,28cyclictest30684-21latency_hist19:33:312
22173998726,12cyclictest0-21swapper/221:13:552
2217399872,40cyclictest6321-21taskset22:16:582
2217399872,40cyclictest6321-21taskset22:16:582
2217399872,37cyclictest17410-21timerandwakeup20:29:032
2217399872,37cyclictest17410-21timerandwakeup20:29:032
2217399872,36cyclictest20117-21fschecks_time20:38:502
2217399872,36cyclictest20117-21fschecks_time20:38:502
2217399872,35cyclictest25745-21sendmail19:18:282
2217399872,33cyclictest19712-21latency_hist20:38:302
2217399872,31cyclictest29066-21timerandwakeup22:54:052
22166998764,15cyclictest200-21systemd-journal22:30:551
22166998736,22cyclictest27261-21kworker/u18:3+nfsiod21:12:021
22166998736,22cyclictest27261-21kworker/u18:3+nfsiod21:12:021
2216699873,40cyclictest352-21runrttasks21:47:571
2216699873,40cyclictest15551-21cstates21:38:451
2216699873,38cyclictest15174-21cstates20:24:341
2216699873,38cyclictest15174-21cstates20:24:341
2216699873,36cyclictest9176-21latency_hist21:28:311
2216699872,41cyclictest30112-21apt-get22:03:471
2216699872,33cyclictest24836-21modprobe22:48:271
2215699873,45cyclictest15-21ksoftirqd/019:43:500
2217399864,36cyclictest9659-21ssh21:29:182
2217399864,36cyclictest9659-21ssh21:29:182
2217399863,35cyclictest29039-21latency_hist19:28:312
2217399863,35cyclictest27294-21latency_hist21:58:312
2217399863,35cyclictest27294-21latency_hist21:58:312
2217399863,34cyclictest13279-21cpuspeed22:28:442
2217399863,32cyclictest3200-21/usr/sbin/munin19:49:012
2217399862,33cyclictest5071-21fschecks_time19:53:502
2217399862,31cyclictest26216-21fschecks_count19:18:502
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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