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2026-08-13 - 21:57
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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 Aug 13, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501980,0irq/46-4a1000004753-21runrttasks07:07:410
5048999562,0cyclictest0-21swapper08:10:330
7450940,0irq/46-4a10000010218-21sshd07:25:090
7350940,0irq/45-4a100000491-21runrttasks09:36:330
7350930,0irq/45-4a1000007524-21runrttasks07:15:270
5048999357,0cyclictest0-21swapper08:50:250
7450920,0irq/46-4a10000014918-21sendmail-msp07:39:470
7450920,0irq/46-4a10000012592-21users12:15:480
7450910,0irq/46-4a10000017485-21zcat10:55:380
5048999159,0cyclictest0-21swapper09:15:430
5048999158,0cyclictest0-21swapper09:55:440
82632906,0sleep08285-21aten_r4power_po07:20:010
7450900,0irq/46-4a1000009081-21runrttasks08:55:420
7450900,0irq/46-4a1000003718-21chrt08:40:430
7450900,0irq/46-4a10000020549-21fschecks_time07:55:120
7450900,0irq/46-4a10000017085-21runrttasks07:45:110
7450900,0irq/46-4a10000016199-21runrttasks07:41:300
7450900,0irq/46-4a10000012060-21seq07:30:170
7350900,0irq/45-4a10000023178-1kworker/u3:108:05:390
5048999056,0cyclictest0-21swapper08:35:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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