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2025-11-20 - 01:47
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackeslot4.osadl.org (updated Wed Nov 19, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1355189994236,5cyclictest1710769-21fwupd12:13:133
135518999310,2cyclictest1395832-21cut07:50:013
135518099318,21cyclictest1376228-21tr07:30:180
1355189993018,11cyclictest1717653-21cron12:20:003
135518999300,27cyclictest1604930-21fw_forwarded_lo10:50:163
135518099309,20cyclictest1-21systemd12:40:000
135518099308,20cyclictest1457984-21grep08:50:170
1355180993027,2cyclictest1598871-21grep10:45:170
1355180993027,2cyclictest1477512-21diskmemload09:48:140
1355180993026,2cyclictest1592408-21fw_forwarded_lo10:40:150
135518999294,23cyclictest1573842-21kthreadcore10:25:213
1355189992920,7cyclictest1671537-21ntpq11:40:223
1355189992918,10cyclictest1742009-21ssh12:37:193
135518999290,20cyclictest1468135-21sort09:00:203
135518499296,21cyclictest522-21in:imuxsock11:55:001
135518099298,3cyclictest1705064-21munin-run12:10:000
1355180992927,1cyclictest3471731-21systemd-journal09:19:590
1355180992925,3cyclictest1509344-21systemd-run09:34:590
1355180992924,4cyclictest1477512-21diskmemload10:56:380
1355180992910,12cyclictest1583800-21chrt10:30:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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