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2025-05-21 - 01:15
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 20 highest latencies:
System rack4slot2.osadl.org (updated Tue May 20, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501970,0irq/46-4a10000032609-21/usr/sbin/munin06:53:380
1111999453,0cyclictest0-21swapper10:58:580
1111999360,0cyclictest0-21swapper12:23:310
1111999359,0cyclictest0-21swapper11:53:320
1111999266,0cyclictest0-21swapper07:52:110
1111999264,0cyclictest0-21swapper10:19:230
1111999256,0cyclictest0-21swapper07:18:420
1111999173,0cyclictest5742-21/usr/sbin/munin07:08:320
1111999168,0cyclictest0-21swapper07:43:340
1111999156,0cyclictest0-21swapper08:23:390
1111999151,0cyclictest0-21swapper08:49:020
1111999070,0cyclictest0-21swapper11:03:530
1111999065,0cyclictest0-21swapper07:35:490
1111999059,0cyclictest0-21swapper07:58:380
1111999058,0cyclictest0-21swapper08:58:150
1111999052,0cyclictest0-21swapper08:53:460
1111998961,0cyclictest0-21swapper08:05:480
1111998960,0cyclictest0-21swapper11:33:540
1111998957,0cyclictest0-21swapper10:13:330
1111998957,0cyclictest0-21swapper08:18:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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