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2025-12-09 - 15:55
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot2.osadl.org (updated Tue Dec 09, 2025 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
243436210620,4sleep0243433-21ntpq07:05:270
30349722940,3chrt303481-21ntpq10:25:590
30003422660,3sleep0300035-21ssh10:15:380
30507922650,3chrt305062-21ntpq10:30:470
33279522630,2sleep0332797-21basename11:55:010
29351522620,4chrt293500-21ntpq09:55:470
34353222610,2sleep0343534-21rm12:26:460
33989822590,4chrt339884-21ntpq12:15:430
34457822440,3chrt344576-21df12:30:150
27855722440,3chrt278555-21ld09:11:070
26833622440,3sleep0268339-21grep08:35:130
31851022420,4chrt318507-21ntpq11:11:050
28987522420,2sleep0289876-21/usr/sbin/munin09:45:150
26463822420,3chrt264636-21ntpq08:21:070
32199222400,3chrt321990-21ntpq11:21:400
29620122370,3chrt296202-21sshd10:04:320
33388322310,3chrt333882-21/usr/sbin/munin11:56:570
26397422180,2sleep0263975-21sh08:19:590
34286122120,2sleep0342859-21cat12:25:110
24440299209177,20cyclictest84-21jbd2/mmcblk0p2-11:35:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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