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2026-05-21 - 00:38
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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 the 792 highest latencies:
System rack4slot2.osadl.org (updated Wed May 20, 2026 12:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502540,0irq/46-4a1000005199-1kworker/u3:106:59:310
73669914659,0cyclictest0-21swapper07:29:580
7366999459,0cyclictest0-21swapper08:34:280
7366999259,0cyclictest0-21swapper08:14:590
7366999256,0cyclictest0-21swapper07:59:500
7366999168,0cyclictest0-21swapper10:04:460
7366999160,0cyclictest0-21swapper09:49:580
7366999159,0cyclictest0-21swapper09:24:560
7366999159,0cyclictest0-21swapper07:10:260
7366999158,0cyclictest0-21swapper09:34:180
7366999067,0cyclictest0-21swapper08:54:220
7366999058,0cyclictest0-21swapper09:29:440
7366999057,0cyclictest0-21swapper08:29:390
7366998958,0cyclictest0-21swapper11:05:010
7366998956,0cyclictest0-21swapper12:20:150
7366998857,0cyclictest0-21swapper12:10:060
7366998856,0cyclictest0-21swapper08:59:550
7366998855,0cyclictest0-21swapper08:04:440
7366998855,0cyclictest0-21swapper07:25:050
7366998854,0cyclictest0-21swapper07:05:090
7350880,0irq/45-4a1000007475-1kworker/u3:008:40:120
7366998758,0cyclictest0-21swapper08:19:490
7366998757,0cyclictest0-21swapper08:49:230
7366998756,0cyclictest0-21swapper11:34:410
7366998755,0cyclictest0-21swapper09:14:530
7366998755,0cyclictest0-21swapper08:25:060
7366998755,0cyclictest0-21swapper07:19:540
7366998753,0cyclictest0-21swapper10:29:100
7366998752,0cyclictest0-21swapper07:40:050
7366998657,0cyclictest0-21swapper10:39:450
7366998655,0cyclictest0-21swapper11:29:390
7366998654,0cyclictest0-21swapper11:44:570
7366998452,0cyclictest0-21swapper07:49:590
7366998450,0cyclictest0-21swapper12:14:330
7366998449,0cyclictest0-21swapper07:35:060
7350840,0irq/45-4a1000005684-21/usr/sbin/munin11:40:050
7350840,0irq/45-4a10000031849-1kworker/u3:011:25:250
7366998361,0cyclictest0-21swapper10:35:070
7350830,0irq/45-4a10000028592-21chrt09:39:170
170622838,0sleep017064-21fw_forwarded_lo09:04:390
7366998253,0cyclictest0-21swapper12:00:050
7366998249,0cyclictest0-21swapper08:09:200
7350820,0irq/45-4a10000010015-21runrttasks10:19:250
7450810,0irq/46-4a10000013787-21ls10:29:440
7350810,0irq/45-4a10000010089-21diskstats08:44:320
7450800,0irq/46-4a10000022646-21grep07:45:040
7450800,0irq/46-4a10000019906-21idleruntime-cro09:14:080
7450800,0irq/46-4a10000010039-21df_abs11:54:260
7366998056,0cyclictest0-21swapper12:25:250
7350800,0irq/45-4a10000025768-21memory07:54:490
7350800,0irq/45-4a10000022381-21missed_timers09:19:520
7350800,0irq/45-4a10000021850-21wget10:54:220
7450790,0irq/46-4a10000031030-21open_files11:19:570
7450790,0irq/46-4a10000030658-21grep09:44:340
7450790,0irq/46-4a10000027294-21grep11:09:360
7450790,0irq/46-4a10000019619-21seq10:46:510
7366997948,0cyclictest0-21swapper07:14:360
7350790,0irq/45-4a1000002319-21users09:55:070
7450780,0irq/46-4a1000009683-21idleruntime-cro10:19:080
7450780,0irq/46-4a10000029719-21runrttasks11:15:270
7450780,0irq/46-4a10000014700-21chrt12:08:350
7450770,0irq/46-4a1000008549-21fw_forwarded_lo11:49:450
7450770,0irq/46-4a1000007512-21runrttasks10:10:380
7450770,0irq/46-4a10000022365-21seq12:30:020
7450770,0irq/46-4a10000020218-21cstates10:49:230
239852776,0sleep023999-21irqstats10:59:460
7350760,0irq/45-4a10000012-21ksoftirqd/010:01:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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