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2026-05-27 - 07:19
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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 Wed May 27, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
158603723030,3chrt1586039-21ntp_kernel_pll_20:55:410
158556922720,3chrt1585539-21/usr/sbin/munin20:55:060
157443122640,2sleep01574433-21latency_hist20:15:060
162643422360,4chrt1626435-21ld23:20:420
158276522210,2sleep01582768-21cut20:45:000
155626799216184,20cyclictest1622228-21kworker/u2:100:00:110
155626799210180,18cyclictest1577157-21kworker/u2:020:36:180
155626799208174,23cyclictest1637051-21b-backup00:00:000
156182422040,3sleep01561826-21sh19:30:000
155626799202169,21cyclictest1567893-21kworker/u2:219:51:190
155626799199167,20cyclictest1640884-21kworker/u2:100:36:200
155626799194163,19cyclictest1595301-21kworker/u2:022:06:160
155626799192162,19cyclictest1638586-21kworker/u2:000:10:060
155626799192161,19cyclictest1570206-21kworker/u2:120:20:080
155626799191160,19cyclictest1606435-21kworker/u2:222:26:180
155626799189158,19cyclictest1541625-21kworker/u2:019:11:180
155626799188158,19cyclictest1541625-21kworker/u2:019:10:050
155626799188157,20cyclictest1586956-21kworker/u2:221:25:040
155626799188157,19cyclictest1584638-21kworker/u2:021:05:030
155626799187155,20cyclictest1588824-21kworker/u2:121:06:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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