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2026-01-20 - 23:35
[ 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 50 highest latencies:
System rackbslot7.osadl.org (updated Tue Jan 20, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8704210720,53sleep28676-21munin-run07:08:502
854621025,14sleep10-21swapper/107:08:241
88969910012,64cyclictest13337-21apt-get11:44:032
8896999946,44cyclictest0-21swapper/210:44:222
258752990,6sleep20-21swapper/207:59:032
8836999756,7cyclictest181rcu_preempt10:58:390
889699953,35cyclictest11485-21taskset08:54:132
889699944,36cyclictest19771-21latency_hist10:08:482
889699943,35cyclictest31158-21latency_hist12:13:482
889699933,36cyclictest22001-21latency_hist09:18:492
889699933,35cyclictest19690-21latency07:39:212
889699933,34cyclictest27631-21/usr/sbin/munin08:04:082
889699932,71cyclictest21144-21apt-get11:04:462
889699932,71cyclictest21144-21apt-get11:04:462
889699923,34cyclictest28104-21rm12:08:482
8896999148,38cyclictest8822-21cyclictest09:19:232
8896999148,38cyclictest8822-21cyclictest09:19:232
889699913,36cyclictest28229-21cat11:14:212
8868999172,12cyclictest10747-21munin-node07:58:451
889699904,36cyclictest352-21runrttasks08:41:212
8896999041,43cyclictest4199-21cut11:29:062
889699903,35cyclictest7829-21acpi12:28:562
889699903,35cyclictest7829-21acpi12:28:562
889699903,34cyclictest25398-21fschecks_count09:24:062
8896999033,48cyclictest0-21swapper/210:59:242
889699903,31cyclictest13683-21latency_hist09:58:482
8896999026,11cyclictest0-21swapper/207:13:482
889699902,39cyclictest10303-21sh11:39:042
889699893,34cyclictest4579-21cpu08:34:022
8896998927,8cyclictest0-21swapper/209:39:032
889699892,36cyclictest31351-21unixbench_multi11:19:222
889699892,36cyclictest31351-21unixbench_multi11:19:222
883699892,70cyclictest3140-21ssh10:34:360
889699883,37cyclictest14519-21fschecks_time09:04:072
889699883,35cyclictest31136-21grep08:14:182
889699883,35cyclictest1840-21/usr/sbin/munin12:19:192
889699883,34cyclictest22032-21modprobe11:58:452
8836998872,10cyclictest29366-21ssh10:24:070
889699873,37cyclictest3661-21latency_hist11:28:482
889699873,36cyclictest6946-21tail10:39:222
889699873,36cyclictest6946-21tail10:39:222
889699873,33cyclictest32425-21fschecks_time10:29:082
889699873,33cyclictest32425-21fschecks_time10:29:082
889699873,33cyclictest2700-21munin-run08:28:452
889699873,33cyclictest19896-21/usr/sbin/munin10:09:212
889699873,32cyclictest14227-21latency_hist07:23:482
889699873,31cyclictest352-21runrttasks08:31:512
8896998731,50cyclictest0-21swapper/209:29:122
8896998731,50cyclictest0-21swapper/209:29:122
889699872,36cyclictest10652-21latency_hist09:53:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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