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2025-11-26 - 23:59
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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 rackcslot4.osadl.org (updated Wed Nov 26, 2025 12:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26245772264188,61sleep10-21swapper/107:07:441
26230432238196,27sleep00-21swapper/007:05:100
28288052650,2sleep1251rcuc/112:38:051
125899640,4rtkit-daemon1257-21rtkit-daemon12:23:531
125899630,4rtkit-daemon1257-21rtkit-daemon10:57:460
28215012600,5sleep10-21swapper/112:27:141
125899570,3rtkit-daemon0-21swapper/107:44:210
125899540,4rtkit-daemon1257-21rtkit-daemon09:11:361
28281292530,3sleep0161rcuc/012:36:220
28103762530,3sleep00-21swapper/012:11:510
125899530,4rtkit-daemon1257-21rtkit-daemon09:58:391
125899520,4rtkit-daemon1257-21rtkit-daemon12:17:271
125899520,4rtkit-daemon1257-21rtkit-daemon10:57:121
125899510,4rtkit-daemon1257-21rtkit-daemon10:01:001
125899510,4rtkit-daemon1257-21rtkit-daemon09:34:001
125899510,3rtkit-daemon1257-21rtkit-daemon11:23:190
26569282500,4sleep0161rcuc/008:25:240
125899500,4rtkit-daemon1257-21rtkit-daemon07:17:021
125899490,4rtkit-daemon1257-21rtkit-daemon10:34:061
26367672470,3sleep12636765-21mailstats07:35:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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