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2025-05-03 - 01:31
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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 Fri May 02, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
393723420,6sleep03936-21cut07:06:400
52939915415,128cyclictest8004-21seq07:17:490
52939915315,128cyclictest21748-21munin-node09:41:410
52939914914,125cyclictest7173-21df_inode08:56:400
52939914815,123cyclictest2656-21netstat08:42:030
52939914714,124cyclictest8916-21seq09:01:470
52939914514,121cyclictest10956-21sendmail_mailtr07:27:110
52939914415,120cyclictest3533-21runrttasks11:11:400
52939914415,119cyclictest28702-21ntp_states11:42:060
52939914415,119cyclictest16802-21wget09:26:370
52939914314,120cyclictest3533-21runrttasks08:07:080
52939914214,118cyclictest32099-21munin-node08:32:160
52939914213,42cyclictest16045-21unixbench_singl09:22:230
52939913914,114cyclictest16584-21latency_hist07:46:220
52939913814,48cyclictest14569-21sshd10:57:540
52939913814,31cyclictest17079-21sh11:06:460
52939913814,115cyclictest4625-21munin-node08:47:150
52939913814,115cyclictest24988-21cpu11:31:370
52939913716,50cyclictest31297-21munin-node11:52:130
52939913715,48cyclictest3855-21wget12:06:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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