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2026-01-23 - 09:40
[ 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 rack8slot4.osadl.org (updated Fri Jan 23, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17587592254192,19sleep40-21swapper/419:06:594
17608212243167,19sleep70-21swapper/719:08:457
17588242228177,17sleep30-21swapper/319:07:543
17608202225170,43sleep60-21swapper/619:08:446
17608282222169,41sleep50-21swapper/519:08:515
17608412212184,18sleep00-21swapper/019:09:020
17586532212180,21sleep10-21swapper/119:05:271
17586632209178,19sleep20-21swapper/219:05:362
176114799320,30cyclictest0-21swapper/319:20:013
176115699310,30cyclictest1810521-21http20:40:026
176114799310,31cyclictest0-21swapper/319:15:023
1761140993128,2cyclictest1941376-21sh00:40:010
1761156993028,1cyclictest1814070-21apt-get20:48:136
176115699300,29cyclictest1-21systemd20:45:026
176115399301,1cyclictest0-21swapper/500:05:025
1761147993029,1cyclictest1884577-21apt-get22:58:113
176114799300,29cyclictest1919839-21cron00:00:013
176114799300,29cyclictest0-21swapper/321:43:113
1761142993028,1cyclictest0-21swapper/119:13:111
176114299300,30cyclictest0-21swapper/119:20:021
176115999290,28cyclictest0-21swapper/722:48:097
176115999290,28cyclictest0-21swapper/722:08:127
176115999290,1cyclictest1878303-21sh22:45:017
176115999290,1cyclictest0-21swapper/723:50:027
176115999290,1cyclictest0-21swapper/720:30:027
176115699290,28cyclictest0-21swapper/623:53:106
176115699290,28cyclictest0-21swapper/620:28:126
176115699290,1cyclictest1789317-21apt-get20:03:116
1761153992927,1cyclictest1925869-21apt-get00:13:115
1761153992927,1cyclictest1822407-21apt-get21:03:105
1761153992927,1cyclictest0-21swapper/520:48:135
176115399290,28cyclictest0-21swapper/521:38:115
176115399290,28cyclictest0-21swapper/500:23:125
176115399290,1cyclictest0-21swapper/521:48:105
176115199290,29cyclictest1777906-21systemd-run19:40:024
176115199290,28cyclictest1864841-21munin-run22:20:014
176115199290,28cyclictest0-21swapper/421:38:124
176115199290,1cyclictest1799443-21munin-run20:20:014
1761147992928,0cyclictest0-21swapper/320:58:083
1761147992927,1cyclictest1802171-21basename20:25:013
176114799290,28cyclictest0-21swapper/323:38:103
176114799290,28cyclictest0-21swapper/300:18:103
176114799290,1cyclictest1889339-21sh23:05:003
176114799290,1cyclictest0-21swapper/319:55:013
1761145992927,1cyclictest1789317-21apt-get20:03:112
1761145992927,1cyclictest0-21swapper/223:55:012
1761145992927,1cyclictest0-21swapper/223:40:022
1761145992927,1cyclictest0-21swapper/219:45:022
1761145992927,1cyclictest0-21swapper/219:40:022
176114599290,28cyclictest0-21swapper/200:03:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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