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2026-05-13 - 21:29
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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 13, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32542465161,0sleep09947-21kworker/0:306:59:450
27525210010,0sleep027556-21aten_r4power_en11:19:350
7450970,0irq/46-4a10000026236-21fw_packets08:04:590
7450960,0irq/46-4a1000008541-21cron07:14:240
7450960,0irq/46-4a100000643-21cat09:59:580
7450950,0irq/46-4a1000009599-21/usr/sbin/munin07:15:200
7450950,0irq/46-4a1000004210-21/usr/sbin/munin08:35:100
7450950,0irq/46-4a10000030046-21mailstats08:15:190
7450950,0irq/46-4a10000029737-21interrupts11:25:020
7450950,0irq/46-4a10000025604-21runrttasks09:39:020
7450950,0irq/46-4a10000022326-21grep07:54:300
7450950,0irq/46-4a10000014823-21ls12:15:230
7450950,0irq/46-4a10000014329-21if_eth009:04:590
7450940,0irq/46-4a1000008070-21vmstat08:45:260
7450940,0irq/46-4a10000025647-21sh08:04:240
7450940,0irq/46-4a10000020953-21diskstats07:49:480
7450940,0irq/46-4a10000019411-21seq12:29:560
7450940,0irq/46-4a10000017834-21meminfo07:40:030
7450940,0irq/46-4a10000016155-21runrttasks12:20:040
7450940,0irq/46-4a10000014446-21runrttasks10:40:050
7450940,0irq/46-4a10000010863-21runrttasks10:29:530
7450930,0irq/46-4a1000007628-21memory11:55:110
7450930,0irq/46-4a1000006979-21latency_hist10:19:280
7450930,0irq/46-4a1000005964-21seq11:50:140
7450930,0irq/46-4a10000031132-21/usr/sbin/munin09:54:410
7450930,0irq/46-4a10000030920-21/usr/sbin/munin11:30:170
7450930,0irq/46-4a10000028871-21runrttasks09:47:530
7450930,0irq/46-4a1000002331-21fw_conntrack11:39:530
7450930,0irq/46-4a1000002300-21chrt08:29:520
7450930,0irq/46-4a10000020020-21uptime09:20:220
7450930,0irq/46-4a10000019495-21irqstats10:55:030
7450930,0irq/46-4a10000017097-21cron07:39:240
7450930,0irq/46-4a10000012330-21df12:09:420
7350930,0irq/45-4a1000003433-1kworker/u3:111:48:490
4569999360,0cyclictest0-21swapper08:10:160
7450920,0irq/46-4a1000009522-21processes12:00:170
7450920,0irq/46-4a1000009271-21latency10:25:020
7450920,0irq/46-4a1000008997-21runrttasks08:49:450
7450920,0irq/46-4a1000006013-21chrt10:15:130
7450920,0irq/46-4a1000005292-21/usr/sbin/munin08:40:150
7450920,0irq/46-4a1000004681-21/usr/sbin/munin07:04:450
7450920,0irq/46-4a1000002806-21/usr/sbin/munin10:05:200
7450920,0irq/46-4a10000026319-21/usr/sbin/munin09:40:000
7450920,0irq/46-4a10000024789-21/usr/sbin/munin11:10:150
7450920,0irq/46-4a10000022683-21/usr/sbin/munin09:29:510
7450920,0irq/46-4a10000018940-21/usr/sbin/munin07:44:390
7450920,0irq/46-4a10000017714-21fw_forwarded_lo09:14:560
7450920,0irq/46-4a10000017242-21/usr/sbin/munin10:49:400
7450920,0irq/46-4a10000015987-21fw_forwarded_lo09:09:580
7450920,0irq/46-4a10000015536-21/usr/sbin/munin10:44:380
7450920,0irq/46-4a10000012555-21fschecks_time10:34:510
7450920,0irq/46-4a10000011679-21runrttasks07:21:580
7450920,0irq/46-4a1000001123-21threads11:35:210
7450920,0irq/46-4a10000010874-21fw_forwarded_lo08:54:570
7450910,0irq/46-4a1000004866-21sshd10:12:070
7450910,0irq/46-4a10000031237-21forks08:19:490
7450910,0irq/46-4a10000029514-21diskstats09:49:490
7450910,0irq/46-4a10000026410-21/usr/sbin/munin11:15:050
7450910,0irq/46-4a10000021277-21sshd11:00:070
7450910,0irq/46-4a10000021110-21fw_conntrack09:24:550
7450910,0irq/46-4a10000013818-21/usr/sbin/munin07:30:200
7450910,0irq/46-4a10000012610-21if_eth008:59:560
7450910,0irq/46-4a1000001254-21chrt08:25:350
7450910,0irq/46-4a10000012067-21ls07:24:280
7450900,0irq/46-4a10000017443-21cstates12:24:400
7450900,0irq/46-4a10000011279-21mailstats12:05:220
7450890,0irq/46-4a10000022335-21cat11:04:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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