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2025-11-23 - 21:28
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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 rack5slot7.osadl.org (updated Sun Nov 23, 2025 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3267224092171,185sleep00-21swapper05:39:200
34769910533,55cyclictest0-21swapper07:42:120
34769910315,68cyclictest28728-21users09:32:420
34769910311,26cyclictest17055-21df06:56:240
34769910232,60cyclictest0-21swapper10:25:130
34769910232,55cyclictest0-21swapper10:44:190
34769910219,44cyclictest21636-21df_inode09:11:470
34769910113,52cyclictest16761-21ssh10:36:380
34769910018,63cyclictest6021-21users08:22:400
34769910017,22cyclictest5619-21memory10:02:100
34769910016,21cyclictest7155-21irqstats10:06:580
34769910013,25cyclictest20833-21ssh10:48:110
34769910012,46cyclictest31717-21fw_conntrack08:01:500
34769910011,27cyclictest20727-21ssh09:08:340
3476999916,44cyclictest15101-21fw_conntrack08:51:510
3476999915,65cyclictest10402-21memory08:37:090
3476999915,24cyclictest19519-21/usr/sbin/munin09:05:560
3476999912,66cyclictest8128-21ssh08:30:280
3476999910,65cyclictest25666-21ssh09:23:500
3476999834,47cyclictest22075-21unixbench_singl07:21:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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