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2026-07-01 - 02:41
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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 rack4slot2.osadl.org (updated Wed Jul 01, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1599628140,0chrt14396-1kworker/u3:119:08:340
7350890,0irq/45-4a10000031283-21wget21:29:380
7450870,0irq/46-4a10000018485-21switchtime22:25:220
7450860,0irq/46-4a100000438-21snmpd00:30:160
212482860,0sleep017300-1kworker/u3:120:59:450
7450850,0irq/46-4a100000438-21snmpd21:18:380
7450840,0irq/46-4a10000028265-21seq22:54:590
7350840,0irq/45-4a100000492-21/usr/sbin/munin19:59:350
7450830,0irq/46-4a100000438-21snmpd22:08:570
7450830,0irq/46-4a100000438-21snmpd21:23:390
7450830,0irq/46-4a10000014039-21sendmail-msp20:39:490
7350830,0irq/45-4a100000438-21snmpd22:44:110
7350830,0irq/45-4a10000025609-21runrttasks22:46:340
206842830,0sleep017300-1kworker/u3:120:58:140
7450820,0irq/46-4a100000438-21snmpd23:39:440
7450820,0irq/46-4a1000004172-21df_abs20:09:450
7450820,0irq/46-4a1000003786-1kworker/u3:020:15:210
7450820,0irq/46-4a1000002407-21df20:04:420
7450820,0irq/46-4a10000022705-21/usr/sbin/munin19:30:130
7450820,0irq/46-4a10000022525-21cron22:39:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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