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2026-02-26 - 14:12
[ 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 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
1024199853,31cyclictest400-21taskset21:31:401
1024199853,31cyclictest12395-21/usr/sbin/munin21:52:061
1024199853,30cyclictest23679-21/usr/sbin/munin21:16:521
1024199853,29cyclictest16390-21timerwakeupswit21:56:581
1024199844,33cyclictest7594-21proc_pri22:36:531
1024199844,30cyclictest5327-21/usr/sbin/munin00:21:431
1024199843,34cyclictest16674-21cpuspeed23:46:361
1024199843,33cyclictest352-21runrttasks22:06:501
1024199843,33cyclictest352-21runrttasks22:06:501
1024199843,33cyclictest26724-21latency_hist19:56:241
1024199843,32cyclictest20265-21modprobe19:36:211
1024199843,31cyclictest32589-21switchtime20:11:551
1024199842,35cyclictest21507-21unixbench_singl19:36:561
1024199842,34cyclictest16352-21latency_hist23:46:221
1024199842,34cyclictest16352-21latency_hist23:46:221
1024199842,33cyclictest4224-21/usr/sbin/munin20:26:431
10236998460,15cyclictest1089-21sh23:21:210
10236998449,17cyclictest181rcu_preempt00:19:350
1023699843,59cyclictest13647-21taskset23:41:360
1023699843,59cyclictest13647-21taskset23:41:360
10236998431,45cyclictest15-21ksoftirqd/021:16:460
10245998360,14cyclictest22032-21rm23:01:382
1024199834,32cyclictest29501-21timerwakeupswit00:06:551
1024199834,30cyclictest2080-21/usr/sbin/munin00:16:521
1024199834,28cyclictest1011-21/usr/sbin/munin20:16:431
1024199833,34cyclictest15573-21latency_hist22:51:251
1024199833,34cyclictest15573-21latency_hist22:51:251
1024199833,33cyclictest23627-21unixbench_singl23:56:581
1024199833,33cyclictest23627-21unixbench_singl23:56:581
1024199833,32cyclictest22899-21cat19:41:551
1024199833,30cyclictest31162-21fschecks_time23:16:411
1024199833,29cyclictest17312-21/usr/sbin/munin19:26:531
10241998331,43cyclictest0-21swapper/122:43:331
10236998361,16cyclictest11261-21threads23:36:560
10236998361,16cyclictest11261-21threads23:36:560
10236998356,21cyclictest2490-21latency_hist20:21:240
1024599829,63cyclictest8449-21ssh00:26:582
10245998262,15cyclictest6440-21fschecks_count21:41:402
1024199824,34cyclictest6429-21processes20:31:531
1024199824,30cyclictest7348-21/usr/sbin/munin23:31:461
1024199824,28cyclictest6606-21latency_hist22:36:231
1024199824,28cyclictest6606-21latency_hist22:36:231
1024199823,30cyclictest24853-21/usr/sbin/munin23:06:401
1024199823,25cyclictest1391-21/usr/sbin/munin23:21:531
1024199823,25cyclictest1391-21/usr/sbin/munin23:21:531
10241998228,46cyclictest0-21swapper/120:21:371
10241998223,11cyclictest0-21swapper/121:51:261
10241998215,27cyclictest9763-21wc20:42:061
10236998261,15cyclictest18266-21latency_hist22:01:250
10236998257,17cyclictest26461-21sh23:08:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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