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2026-03-26 - 02:37
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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 Thu Mar 26, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745012660,0irq/46-4a10000021788-1kworker/u3:219:02:160
7350870,0irq/45-4a10000022305-1kworker/u3:223:46:160
7350850,0irq/45-4a10000030210-21latency00:06:570
7350840,0irq/45-4a10000023084-21df_inode22:11:400
7450810,0irq/46-4a1000007406-1kworker/u3:219:56:350
7450810,0irq/46-4a100000460-21snmpd22:52:360
7450810,0irq/46-4a100000460-21snmpd21:47:010
7450810,0irq/46-4a10000012444-21sendmail-msp23:16:190
23793998156,0cyclictest0-21swapper22:36:320
7450800,0irq/46-4a10000022821-21wget20:36:270
7350800,0irq/45-4a100000460-21snmpd21:41:590
7350800,0irq/45-4a10000030276-21missed_timers19:22:020
7450790,0irq/46-4a100000460-21snmpd20:56:280
7450790,0irq/46-4a1000003852-21cron22:51:180
7450790,0irq/46-4a10000019764-1kworker/u3:122:41:310
7450790,0irq/46-4a10000018694-1kworker/u3:220:26:330
7450790,0irq/46-4a10000014057-21chrt20:11:010
208622790,0chrt19764-1kworker/u3:122:05:380
7450780,0irq/46-4a1000008318-21sensors23:02:120
7450780,0irq/46-4a100000460-21snmpd21:16:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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