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2026-06-23 - 06:00
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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 Tue Jun 23, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502280,0irq/45-4a10000027940-21kworker/0:219:08:560
7350920,0irq/45-4a10000011607-21fw_forwarded_lo23:00:250
7450890,0irq/46-4a10000030017-21wget22:19:580
7350890,0irq/45-4a1000006015-1kworker/u3:022:51:540
7350880,0irq/45-4a10000028809-21memory23:50:270
7350880,0irq/45-4a10000021863-21/usr/sbin/munin23:30:200
7350870,0irq/45-4a10000030322-21timerwakeupswit19:10:420
29229998761,0cyclictest0-21swapper20:29:550
7350860,0irq/45-4a10000028355-21seq20:40:000
7450830,0irq/46-4a100000438-21snmpd20:26:490
7350830,0irq/45-4a1000006300-21modprobe21:10:060
7350830,0irq/45-4a10000032384-21/usr/sbin/munin00:00:420
7350830,0irq/45-4a10000031665-21aten_r4power_en20:49:550
311762830,0sleep025577-1kworker/u3:219:14:540
7450820,0irq/46-4a10000029827-21chrt22:19:470
7450820,0irq/46-4a1000002817-21df19:25:010
7450820,0irq/46-4a1000002399-21runrttasks20:59:260
7450820,0irq/46-4a10000014440-21sendmail-msp19:59:480
7350820,0irq/45-4a1000009323-21sendmail-msp21:20:230
7350820,0irq/45-4a10000026608-21aten_r4power_vo23:44:580
7350820,0irq/45-4a10000020343-21ntpq23:25:310
7450810,0irq/46-4a1000006015-1kworker/u3:022:44:580
7450810,0irq/46-4a100000438-21snmpd22:02:280
7450810,0irq/46-4a10000030125-21/usr/sbin/munin23:55:010
7450810,0irq/46-4a10000016146-21grep21:39:460
7450810,0irq/46-4a10000012737-21sendmail-msp00:39:460
7350810,0irq/45-4a1000006097-21cut19:34:580
29229998156,0cyclictest0-21swapper23:14:550
130282817,0sleep013048-21df23:05:010
7450800,0irq/46-4a1000008021-21runrttasks21:15:090
7450800,0irq/46-4a1000007754-21wget19:39:550
7450800,0irq/46-4a1000004903-21runrttasks19:30:260
7450800,0irq/46-4a100000438-21snmpd23:23:010
7450800,0irq/46-4a10000031725-21aten_r4power_vo22:24:550
7450800,0irq/46-4a10000023185-21runrttasks23:34:580
7450800,0irq/46-4a10000022272sleep022:33:000
7450800,0irq/46-4a10000021938-21grep21:55:240
7450800,0irq/46-4a10000021393-21/usr/sbin/munin20:20:030
7450800,0irq/46-4a10000017961-21/usr/sbin/munin20:10:320
7450800,0irq/46-4a10000016149-21sendmail-msp21:40:270
7450800,0irq/46-4a10000015186-21/usr/sbin/munin23:10:300
305352806,0sleep030536-21meminfo20:45:270
7450790,0irq/46-4a1000009762-21seq00:30:110
7450790,0irq/46-4a100000857-21date19:19:520
7450790,0irq/46-4a1000008395-21ntpq00:25:310
7450790,0irq/46-4a1000005914-21sendmail-msp00:20:140
7450790,0irq/46-4a1000004472-21/usr/sbin/munin00:15:000
7450790,0irq/46-4a100000438-21snmpd20:16:450
7450790,0irq/46-4a10000029361-1kworker/u3:022:39:460
7450790,0irq/46-4a10000026814-21seq22:10:110
7450790,0irq/46-4a10000026426-21wc23:44:480
7450790,0irq/46-4a10000014444-1kworker/u3:120:34:570
7450790,0irq/46-4a10000012793-21grep21:29:480
7450790,0irq/46-4a10000012453-21runrttasks19:52:470
7350790,0irq/45-4a1000009959-21kernelversion22:55:230
259052790,0chrt24573-1kworker/u3:022:05:590
150212796,0sleep015024-21fw_packets20:00:240
7450780,0irq/46-4a1000009715-21sed19:45:040
7450780,0irq/46-4a100000549-1kworker/u3:100:05:160
7450780,0irq/46-4a1000004194-21sendmail-msp22:40:290
7450780,0irq/46-4a1000002865-21df_abs00:10:050
7450780,0irq/46-4a10000019881-21runrttasks21:50:030
7450780,0irq/46-4a10000017327-21/usr/sbin/munin20:05:460
28072780,0sleep02491-1kworker/u3:121:00:020
7450770,0irq/46-4a1000004261-21latency_hist21:04:490
7450770,0irq/46-4a10000019171-1kworker/u3:221:48:040
7450760,0irq/46-4a10000010838-1kworker/u3:221:24:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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