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2026-06-04 - 01:55
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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 Jun 04, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4094211418,23sleep04109-21df19:17:240
25133210014,26sleep025162-21munin-node22:37:550
5570999820,69cyclictest25037-21kernelversion00:17:440
5570999819,70cyclictest11906-21if_eth021:57:360
5570999723,64cyclictest29347-21munin-node22:52:220
5570999717,70cyclictest19885-21df_abs00:02:270
5570999620,66cyclictest18071-21sed20:13:000
5570999522,63cyclictest26738-21tune2fs20:52:280
5570999515,71cyclictest3568-21runrttasks23:22:120
5570999515,71cyclictest2900-21awk00:48:090
5570999515,70cyclictest22751-21munin-plugin-st22:32:110
5570999515,44cyclictest3568-21runrttasks22:52:010
5570999514,71cyclictest1019-21munin-node00:43:000
564929414,16sleep05666-21ntp_states21:37:520
5570999415,70cyclictest31426-21basename00:37:380
1194929414,16sleep011968-21if_err_eth023:37:360
5570999316,68cyclictest14784-21latency_hist20:02:120
5570999315,69cyclictest3568-21runrttasks20:35:280
5570999314,71cyclictest6050-21cut19:22:440
5570999314,70cyclictest9975-21munin-node23:32:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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