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2026-02-26 - 14:11
[ 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 Thu Feb 26, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8832214614,85sleep08774-21/usr/sbin/munin19:01:430
10109211212,72sleep210148-21awk19:06:212
102419910260,34cyclictest17384-21diskmemload23:06:231
102419910022,10cyclictest0-21swapper/122:11:321
10241999846,44cyclictest200-21systemd-journal00:32:321
10241999846,44cyclictest200-21systemd-journal00:32:321
10236999544,10cyclictest181rcu_preempt19:41:570
10241999439,48cyclictest352-21runrttasks19:46:381
10236999463,9cyclictest181rcu_preempt22:41:230
204862930,5sleep30-21swapper/322:04:423
10241999240,47cyclictest0-21swapper/121:11:551
10241999240,47cyclictest0-21swapper/121:11:551
1024199923,34cyclictest3614-21grep22:31:211
10236999212,59cyclictest13892-21apt-get20:56:350
1024199914,32cyclictest30239-21sshd20:06:331
1024199914,32cyclictest30239-21sshd20:06:331
1024199904,37cyclictest29656-21/usr/sbin/munin21:26:411
1024199892,35cyclictest11790-21grep19:11:221
1024199883,37cyclictest352-21runrttasks19:12:461
1024199883,37cyclictest352-21runrttasks19:12:461
1024199883,32cyclictest27403-21apt-get22:16:331
10241998832,50cyclictest0-21swapper/123:11:491
1024199882,35cyclictest10347-21latency_hist19:06:261
10236998858,21cyclictest25460-21sh22:11:580
1024199874,33cyclictest3194-21/usr/sbin/munin21:36:581
1024199873,34cyclictest743-21latency_hist22:26:231
1024199873,33cyclictest29537-21latency_hist21:26:251
1024199873,33cyclictest29537-21latency_hist21:26:251
1024199872,35cyclictest1460-21sshd00:15:321
1024199872,33cyclictest14382-21fschecks_time19:16:441
10236998755,17cyclictest181rcu_preempt22:34:380
10236998755,17cyclictest181rcu_preempt22:34:380
10245998624,28cyclictest11817-21unin-run19:11:232
1024199864,32cyclictest11778-21timerwakeupswit20:46:561
1024199863,35cyclictest15282-21timerwakeupswit20:57:231
1024199863,34cyclictest18622-21taskset22:01:421
1024199863,34cyclictest12751-21fschecks_count20:51:431
1024199863,33cyclictest17957-21fschecks_count21:06:441
1024199863,32cyclictest25700-21ssh00:01:371
1024199863,32cyclictest16217-21fschecks_time22:51:441
1024199863,32cyclictest15706-21/usr/sbin/munin19:21:421
1024199863,29cyclictest8968-21rm21:46:241
10241998628,50cyclictest0-21swapper/123:56:141
1023699866,55cyclictest15-21ksoftirqd/019:31:360
1024199854,31cyclictest9325-21timerandwakeup00:27:191
1024199854,31cyclictest27266-21fschecks_time19:56:441
1024199854,31cyclictest27266-21fschecks_time19:56:441
1024199853,34cyclictest9094-21sed20:41:251
1024199853,33cyclictest10879-21latency23:36:461
1024199853,33cyclictest10879-21latency23:36:461
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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