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2026-04-25 - 15:08
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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 Sat Apr 25, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4489212020,79sleep04520-21munin-node07:13:420
9074210914,35sleep09101-21munin-node07:28:380
2808210815,21sleep02848-21netstat10:28:430
16777210215,16sleep016784-21munin-run11:13:060
14328210115,16sleep014353-21munin-node11:03:510
7250210014,16sleep07305-21aten_r4power_po12:23:190
5982210014,25sleep05999-21if_err_eth012:18:310
1251629915,16sleep012519-21ntp_states07:38:470
330429814,16sleep03250-21snmpd08:49:490
2667129814,16sleep026672-21diskstats08:23:230
2428029814,16sleep024316-21ls11:34:010
1393529814,16sleep013963-21if_eth009:23:320
1231729814,16sleep012318-21diskstats12:38:230
1184829714,16sleep011906-21wc09:18:060
5371999614,72cyclictest7481-21latency07:23:380
3065829614,16sleep030661-21smart_hda11:53:560
1878829614,16sleep018794-21hddtemp_smartct09:38:310
1554829614,16sleep015549-21iostat_ios07:48:340
903629514,16sleep09065-21df_inode12:28:210
252029514,16sleep02523-21diskstats12:08:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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