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2026-04-05 - 13:36
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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 Sun Apr 05, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3214327320,5sleep032142-21munin-node19:11:290
6345210914,82sleep06380-21processes19:31:420
25647210714,80sleep025657-21kernelversion22:11:300
8096210414,16sleep08092-21ntp_states22:56:410
2385421010,4sleep023855-21which20:26:200
3936210014,16sleep03962-21ls19:25:570
31763210014,16sleep031609-21munin-node20:51:120
31067210014,16sleep031068-21users22:26:550
2520029917,17sleep025239-21cpu20:31:110
1665429914,16sleep03250-21snmpd21:43:180
1113229914,16sleep011155-21wc21:26:330
2219729814,71sleep022225-21munin-node20:21:190
1811629814,16sleep03250-21snmpd20:07:380
693999713,75cyclictest15778-21if_eth020:01:230
1089429714,16sleep010897-21df_inode23:06:150
788529614,16sleep07889-21hddtemp_smartct00:36:230
639629614,16sleep06394-21ntp_states21:11:410
297629615,16sleep02979-21irqstats22:41:280
2704729614,15sleep027095-21fschecks_count22:16:170
2097129615,16sleep020994-21ps20:16:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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