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2025-12-03 - 16:48
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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 Wed Dec 03, 2025 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
172502146526sleep17251-21kernelversion19:01:420
1808799259234cyclictest18376-21tune2fs19:06:530
180879925757cyclictest15853-21wc21:17:000
1808799256223cyclictest15857-21irqstats23:37:580
1808799255228cyclictest11043-21munin-node0
1808799254232cyclictest175262sleep21:23:270
1808799254227cyclictest13678-21ssh23:28:130
1808799254225cyclictest24603-21cat00:16:580
1808799254224cyclictest6549-21fschecks_count22:57:140
1808799253223cyclictest26221-21df_inode22:01:540
180879925167cyclictest2720-21lxpanel00:08:390
1808799251224cyclictest1867-21munin-node0
1808799250220cyclictest32426-21ssh22:28:200
1808799250218cyclictest12681-21munin-node0
1808799250217cyclictest10817-21munin-node0
1808799250216cyclictest8373-21ping20:43:100
1808799250191cyclictest6447-21cpu20:36:250
1808799249224cyclictest20771-21chrt21:37:350
1808799249224cyclictest16721-21sh23:42:020
1808799249221cyclictest9225-21ssh23:08:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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