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2026-06-12 - 03:37
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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 Fri Jun 12, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74507940,0irq/46-4a100000173142sleep019:04:540
7450850,0irq/46-4a10000010451-1kworker/u3:021:55:280
7450840,0irq/46-4a10000028699-21runrttasks21:10:260
7450840,0irq/46-4a10000013106-21diskstats23:35:120
7350840,0irq/45-4a1000006583-21runrttasks20:05:330
7350840,0irq/45-4a10000020454-21zcat20:45:390
30102840,0chrt1127-1kworker/u3:121:30:210
7450830,0irq/46-4a1000003579-21runrttasks19:55:460
7450830,0irq/46-4a1000002457-21sendmail-msp00:39:500
7450830,0irq/46-4a10000010972-21awk21:54:490
7350830,0irq/45-4a10000024699-21date20:59:540
7350830,0irq/45-4a10000011105-21basename20:19:580
322032836,0sleep032204-21meminfo19:45:310
230482830,0sleep020951-1kworker/u3:219:19:550
181522830,0chrt16815-1kworker/u3:222:15:070
161982830,0sleep08898-1kworker/u3:223:44:530
7450820,0irq/46-4a100000452-21snmpd21:18:110
7450820,0irq/46-4a1000004484-21df_abs20:00:070
7450820,0irq/46-4a10000028989-21find19:35:410
7450820,0irq/46-4a10000026865-21tune2fs22:40:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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