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2026-08-05 - 18:41
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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 Wed Aug 05, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21453210714,24sleep021460-21latency_hist09:38:420
1030221030,4sleep010303-21wc12:39:170
3621999624,62cyclictest7949-21munin-node10:53:540
3621999615,72cyclictest9608-21munin-node10:58:540
3621999614,73cyclictest13488-21open_inodes11:09:280
3621999514,72cyclictest5317-21runrttasks07:41:220
3621999514,72cyclictest3568-21runrttasks12:24:230
3621999416,68cyclictest13774-21munin-node12:49:300
3621999415,70cyclictest30664-21aten_r4power_cu12:03:540
3621999414,70cyclictest9085-21latency_hist08:08:420
3621999414,70cyclictest8075-21ls12:33:420
2113129314,16sleep021133-21diskstats11:34:020
389429215,16sleep03892-21ntp_states12:19:280
3621999214,69cyclictest14711-21aten_r4power_po12:53:550
3621999214,68cyclictest29026-21munin-node11:59:060
173429215,16sleep01740-21df_inode12:13:570
1507229213,15sleep015074-21sh11:14:230
841429115,16sleep08474-21perl12:34:050
3621999115,66cyclictest7148-21switchtime10:49:350
3621999114,68cyclictest4717-21munin-node10:43:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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