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2026-06-14 - 23:28
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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 Jun 14, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12647211817,77sleep012663-21df_inode07:18:320
457221090,4sleep04573-21cut11:53:190
140829910215,77cyclictest24886-21seq07:54:340
32227210114,19sleep032228-21entropy09:58:360
7937210014,16sleep08007-21munin-node12:03:310
27655210014,17sleep027687-21grep08:03:550
140829910014,77cyclictest20411-21seq11:01:300
13633210014,16sleep013641-21users10:39:180
2940529914,16sleep029448-21munin-node08:09:050
2135029914,16sleep021369-21wc12:43:540
1770929914,15sleep017732-21if_err_eth007:33:430
14082999915,74cyclictest22637-21munin-node09:28:400
813529815,21sleep07692-21munin-node08:43:500
3193729714,15sleep03250-21snmpd11:37:560
1639529714,15sleep016397-21iostat_ios12:28:470
14082999714,74cyclictest3568-21runrttasks12:23:040
2312829614,16sleep023154-21sensors_temp11:09:050
175429614,16sleep01771-21ntp_states08:23:570
1427329614,16sleep014299-21df_abs07:23:310
14082999615,72cyclictest3679-21sendmail_mailst10:09:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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