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2026-04-23 - 02:59
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Thu Apr 23, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23901213315,37sleep023975-21egrep19:12:590
254889910415,79cyclictest19085-21sshd23:57:040
254889910218,74cyclictest14444-21seq20:23:050
254889910124,67cyclictest6341-21diskstats19:58:070
254889910118,73cyclictest28941-21munin-node22:48:020
254889910115,49cyclictest4026-21unixbench_singl23:08:440
25488999916,73cyclictest10341-21ls21:48:420
25488999813,75cyclictest10440-21seq20:09:100
25488999716,71cyclictest22492-21hostname22:28:000
25488999626,61cyclictest28748-21munin-node19:28:320
25488999626,61cyclictest20248-21unixbench_singl23:58:460
25488999619,67cyclictest1480-21munin-node00:43:010
25488999615,72cyclictest957-21chrt21:21:110
25488999615,43cyclictest16326-21cut20:28:200
25488999517,40cyclictest3008-21awk19:48:030
25488999514,71cyclictest19299-21aten_r4power_vo22:18:020
25488999514,71cyclictest16540-21netstat22:08:270
25488999415,70cyclictest4897-21if_eth019:53:140
25488999415,69cyclictest21439-21munin-node00:03:230
25488999414,71cyclictest25791-21df_abs20:58:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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