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2024-04-15 - 20:58
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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
Characteristics of the 20 highest latencies:
System rackdslot0.osadl.org (updated Mon Apr 15, 2024 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2636699401391,10cyclictest0-21swapper/009:05:020
2636699401391,10cyclictest0-21swapper/009:05:020
2636699371368,2cyclictest0-21swapper/008:06:020
2636699354344,9cyclictest7605-21kworker/0:008:37:010
2636699351349,1cyclictest7605-21kworker/0:008:58:010
2636699310304,5cyclictest20271-21gnome-shell07:22:590
2636699310303,6cyclictest20271-21gnome-shell07:42:590
2637699308307,1cyclictest0-21swapper/209:05:022
2637699308307,1cyclictest0-21swapper/209:05:022
2636699306299,6cyclictest20271-21gnome-shell08:04:590
2637299305300,4cyclictest20271-21gnome-shell08:41:591
2637299305299,5cyclictest20271-21gnome-shell11:06:591
2637299304299,4cyclictest20271-21gnome-shell10:35:591
26372993030,302cyclictest0-21swapper/107:37:591
2637699302297,4cyclictest20271-21gnome-shell11:04:592
2636699301296,4cyclictest20271-21gnome-shell07:58:590
2636699301295,5cyclictest20271-21gnome-shell09:38:590
2636699301294,6cyclictest20271-21gnome-shell08:40:590
2637299300294,5cyclictest20271-21gnome-shell10:56:581
2636699300294,5cyclictest20271-21gnome-shell11:21:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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