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2026-06-25 - 23:38
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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 all highest latencies:
System rack4slot2.osadl.org (updated Thu Jun 25, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745010540,0irq/46-4a10000027026-1kworker/u3:207:06:040
28088999673,0cyclictest0-21swapper08:05:350
28088999271,0cyclictest0-21swapper12:35:160
28088999169,0cyclictest0-21swapper08:55:140
28088999059,0cyclictest0-21swapper08:50:240
28088999057,0cyclictest0-21swapper09:40:470
28088999055,0cyclictest0-21swapper07:49:490
7350890,0irq/45-4a10000028086-21cyclictest07:27:290
7350890,0irq/45-4a10000013533-21chrt08:00:490
28088998958,0cyclictest0-21swapper11:50:040
28088998957,0cyclictest0-21swapper08:45:120
28088998953,0cyclictest0-21swapper09:30:190
7350880,0irq/45-4a10000017971-21tune2fs11:25:080
28088998866,0cyclictest0-21swapper11:30:150
28088998857,0cyclictest0-21swapper10:05:340
28088998857,0cyclictest0-21swapper07:10:320
28088998856,0cyclictest0-21swapper11:15:330
28088998855,0cyclictest0-21swapper12:20:330
7350870,0irq/45-4a1000007315-21modprobe09:19:470
7350870,0irq/45-4a10000026724-1kworker/u3:108:44:260
7350870,0irq/45-4a10000013732-1kworker/u3:010:24:040
28088998757,0cyclictest0-21swapper10:49:530
28088998755,0cyclictest0-21swapper09:24:580
28088998754,0cyclictest0-21swapper07:35:270
28088998753,0cyclictest0-21swapper11:45:290
7450860,0irq/46-4a10000010713-21/usr/sbin/munin11:04:460
7350860,0irq/45-4a10000022206-1kworker/u3:111:39:440
7350860,0irq/45-4a10000020881-21wc08:24:410
7350860,0irq/45-4a10000011371-21/usr/sbin/munin07:55:240
298312860,0chrt29326-1kworker/u3:210:25:020
28088998655,0cyclictest0-21swapper12:14:570
28088998655,0cyclictest0-21swapper09:45:330
28088998655,0cyclictest0-21swapper07:40:360
28088998654,0cyclictest0-21swapper09:05:260
222572860,0chrt20646-1kworker/u3:110:02:210
7450850,0irq/46-4a100000671-21df10:34:530
7450850,0irq/46-4a1000004798-21grep09:10:360
7450850,0irq/46-4a1000001437-21/usr/sbin/munin09:00:420
28088998566,0cyclictest0-21swapper09:55:320
28088998554,0cyclictest0-21swapper07:45:310
28088998554,0cyclictest0-21swapper07:20:440
28088998552,0cyclictest0-21swapper12:10:220
28088998552,0cyclictest0-21swapper08:15:370
7450840,0irq/46-4a1000008895-21sendmail-msp10:59:560
7450840,0irq/46-4a1000005951-21runrttasks12:25:040
7450840,0irq/46-4a10000031300-21wget12:04:510
7450840,0irq/46-4a10000022978-21/usr/sbin/munin08:29:580
7450840,0irq/46-4a10000013732-1kworker/u3:009:39:030
7450840,0irq/46-4a10000012393-21cut11:09:430
318222840,0sleep031042-1kworker/u3:010:30:210
28088998453,0cyclictest0-21swapper10:55:380
28088998452,0cyclictest0-21swapper12:30:330
28088998450,0cyclictest0-21swapper08:35:290
231932847,0sleep023205-21irqstats11:40:200
7450830,0irq/46-4a1000005074-1kworker/u3:209:15:020
7450830,0irq/46-4a1000004199-21diskstats10:45:010
7450830,0irq/46-4a1000002517-21fschecks_count10:40:070
7450830,0irq/46-4a10000021491-21/usr/sbin/munin08:25:140
28088998350,0cyclictest0-21swapper07:29:550
7450820,0irq/46-4a10000030472-21munin-node07:15:070
7450820,0irq/46-4a10000029721-21seq11:59:560
7450820,0irq/46-4a10000027697-21sendmail-msp10:19:440
7450820,0irq/46-4a10000015888-21/usr/sbin/munin08:09:500
7450820,0irq/46-4a10000015291-1kworker/u3:111:20:320
7450810,0irq/46-4a10000024126-1kworker/u3:110:12:480
7450810,0irq/46-4a10000019144-21seq09:54:400
7350810,0irq/45-4a10000028416-21chrt11:55:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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