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2026-05-04 - 09:27
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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 Mon May 04, 2026 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501990,0irq/46-4a10000030901-21runrttasks19:04:340
7350910,0irq/45-4a10000027208-21awk20:25:400
30997998956,0cyclictest0-21swapper22:40:150
7450860,0irq/46-4a10000016622-21runrttasks19:55:120
7450860,0irq/46-4a10000010033-21meminfo22:45:270
116902850,0sleep04907-1kworker/u3:119:40:290
7450840,0irq/46-4a1000004355-21cut20:54:570
7450840,0irq/46-4a10000012750-21sh21:19:480
74282840,0chrt4907-1kworker/u3:119:28:120
7350840,0irq/45-4a1000007774-21aten_r4power_cu00:14:570
21302840,0chrt27424-1kworker/u3:020:46:540
7450830,0irq/46-4a1000004626-21seq00:05:090
7450830,0irq/46-4a100000460-21snmpd00:01:090
7450830,0irq/46-4a10000030396-21chrt23:45:190
7450830,0irq/46-4a10000030276-21df_inode20:35:090
7450830,0irq/46-4a1000002968-21grep22:25:150
7450830,0irq/46-4a10000027969-21runrttasks22:03:480
7450830,0irq/46-4a10000024062-21sensors_temp20:15:560
7450830,0irq/46-4a10000019768-21hostname23:14:580
7350830,0irq/45-4a10000012885-21modprobe19:44:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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