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2026-05-04 - 09:12
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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 50 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
321282830,0sleep030909-1kworker/u3:219:05:540
7450820,0irq/46-4a10000030018-21seq22:09:580
7450820,0irq/46-4a1000002865-21df19:15:040
7450820,0irq/46-4a10000022484-21users21:46:020
7450820,0irq/46-4a10000019351-21sshd20:02:570
7350820,0irq/45-4a1000006920-21sshd21:00:570
7350820,0irq/45-4a10000013470-21runrttasks22:55:300
1989928224,0sleep019918-21/usr/sbin/munin20:05:040
7450810,0irq/46-4a1000009915-21runrttasks21:10:250
7450810,0irq/46-4a1000007125-21runrttasks22:35:540
7450810,0irq/46-4a1000006086-21aten_r4power_po00:09:580
7450810,0irq/46-4a1000005700-21chrt19:22:560
7450810,0irq/46-4a100000418-21sshd19:09:560
7450810,0irq/46-4a10000029059-21/usr/sbin/munin23:40:400
7450810,0irq/46-4a10000028821-21seq22:05:260
7450810,0irq/46-4a10000025633-21grep21:55:390
7450810,0irq/46-4a10000023515-21fschecks_time23:25:130
7450810,0irq/46-4a10000021729-21entropy23:20:130
7450810,0irq/46-4a10000016702-21tune2fs23:05:150
7450810,0irq/46-4a10000015021-21seq23:00:180
7450810,0irq/46-4a10000012161-21sed22:50:470
7450810,0irq/46-4a10000011068-21seq19:39:490
7450810,0irq/46-4a10000010063-21meminfo00:20:270
7350810,0irq/45-4a10000021595-21cstates20:10:020
7350810,0irq/45-4a10000013172-21seq00:30:080
7450800,0irq/46-4a100000897-21seq22:19:510
7450800,0irq/46-4a1000007916-21cpuspeed21:05:010
7450800,0irq/46-4a1000004659-21chrt20:55:120
7450800,0irq/46-4a100000460-21snmpd23:34:560
7450800,0irq/46-4a100000460-21snmpd20:43:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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