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2026-07-14 - 21:40
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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 Tue Jul 14, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502520,0irq/46-4a1000008911-1kworker/u3:107:05:080
7450960,0irq/46-4a10000031989-21chrt09:47:090
7450960,0irq/46-4a1000002848-1kworker/u3:110:19:410
7450950,0irq/46-4a1000004857-21cron10:03:520
7450950,0irq/46-4a10000025076-21chrt09:26:270
7450950,0irq/46-4a10000015701-21chrt10:34:220
7450940,0irq/46-4a1000009761-21df07:09:100
7450940,0irq/46-4a1000008744-21diskstats08:39:190
7450940,0irq/46-4a1000003899-21runrttasks11:34:370
7450940,0irq/46-4a10000029231-21df_inode08:04:140
7450940,0irq/46-4a10000024942-21chrt12:35:320
7450940,0irq/46-4a10000024258-21seq07:49:260
7450940,0irq/46-4a10000023997-21cstates10:59:090
7450940,0irq/46-4a10000021974-21runrttasks07:43:530
7450940,0irq/46-4a10000020450-21aten_r4power_po09:14:040
7450940,0irq/46-4a10000012095-21df07:14:300
7450940,0irq/46-4a10000011944-21aten_r4power_vo10:24:060
7350940,0irq/45-4a10000015159-21awk07:23:540
7450930,0irq/46-4a1000009481-21users11:49:550
7450930,0irq/46-4a1000003024-21pure-ftpd11:32:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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