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2025-05-12 - 08:23
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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 rack5slot7.osadl.org (updated Mon May 12, 2025 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8122224410,11sleep0859-1kworker/u3:517:46:250
86849917022,25cyclictest9641-21fw_conntrack22:01:240
86849916713,65cyclictest19355-21aten_r5power_vo22:31:000
86849916618,37cyclictest32533-21apt-get19:55:400
86849916615,59cyclictest30443-21df_inode21:26:240
86849916613,26cyclictest5219-21ssh21:47:210
86849916519,38cyclictest16753-21apt-get20:45:540
86849916517,36cyclictest20994-21users20:57:110
86849916515,60cyclictest5103-21apt-get20:10:550
86849916515,22cyclictest8428-21apt-get20:20:430
86849916416,47cyclictest9724-21munin-node17:55:330
86849916320,37cyclictest30884-21apt-get19:50:530
86849916317,45cyclictest11877-21users22:07:160
86849916317,21cyclictest25462-21fw_conntrack21:11:290
86849916315,23cyclictest6764-21apt-get20:15:470
86849916234,31cyclictest0-21swapper21:59:200
86849916233,21cyclictest22518-21latency_hist22:40:320
86849916218,38cyclictest17598-21apt-get22:25:460
86849916215,45cyclictest32580-21ssh23:11:400
86849916212,28cyclictest2366-21ssh20:01:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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