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2026-09-07 - 18:22
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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 rack7slot3.osadl.org (updated Mon Sep 07, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
288922112319sleep28894-21unixbench_singl07:02:190
2930699257228cyclictest29553-21cpu11:51:370
2930699251227cyclictest1678-21df12:11:490
2930699250224cyclictest29329-21cut09:27:230
2930699247223cyclictest24683-21latency_hist09:07:000
2930699244219cyclictest29601-21munin-node0
2930699244215cyclictest19863-21sh11:08:130
2930699244214cyclictest30241-21ntp_states11:53:500
2930699243178cyclictest1607-21df_inode07:26:510
2930699242174cyclictest22086-21munin-node0
2930699241215cyclictest12655-21cpuspeed10:36:440
2930699241211cyclictest6026-21ssh10:07:130
2930699241208cyclictest26723-21ssh09:16:110
2930699240214cyclictest9719-21cpuspeed08:01:400
2930699240213cyclictest16893-21chrt08:32:210
2930699240175cyclictest4663-21munin-run10:01:430
2930699239214cyclictest3517-21diskmemload12:18:390
2930699239214cyclictest25146-21latency_hist11:32:040
2930699239213cyclictest13786-21df10:41:500
2930699238213cyclictest10910-21cat10:28:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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