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2026-07-04 - 16:44
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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 Sat Jul 04, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12765224980,14sleep012052-1kworker/u3:206:59:370
136199910418,62cyclictest9962-21users12:30:410
136199910313,69cyclictest17195-21apt-get09:44:090
136199910218,45cyclictest21244-21fw_conntrack11:29:530
136199910118,45cyclictest4228-21df_inode12:14:420
136199910117,64cyclictest8701-21munin-run10:53:520
136199910116,21cyclictest7567-21df12:24:330
136199910114,28cyclictest31087-21ssh10:24:270
136199910019,43cyclictest26149-21df_inode10:09:470
136199910014,65cyclictest19187-21/usr/sbin/munin09:49:360
136199910012,65cyclictest27629-21latency_hist08:18:520
136199910010,25cyclictest13038-21ssh09:30:590
13619999931,51cyclictest0-21swapper10:02:230
13619999931,50cyclictest0-21swapper10:56:200
13619999917,60cyclictest31050-21/usr/sbin/munin11:58:550
13619999915,45cyclictest4026-21df_inode10:39:440
13619999914,64cyclictest2313-21df_inode10:34:440
13619999914,63cyclictest1790-21df08:54:200
13619999914,63cyclictest16924-21ssh11:16:570
13619999913,45cyclictest32749-21munin-run12:03:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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