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2026-08-29 - 10:37
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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 Sat Aug 29, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
289922377119,0sleep027691-21kworker/0:419:04:540
299029913044,0cyclictest28041-21/usr/sbin/munin22:14:240
299029912739,0cyclictest5700-21munin-node19:34:180
299029912731,0cyclictest11967-21runrttasks21:25:540
299029912647,0cyclictest7350irq/45-4a10000020:59:420
299029912542,0cyclictest7350irq/45-4a10000023:44:480
299029912530,0cyclictest10526-21runrttasks21:23:080
299029912452,0cyclictest7350irq/45-4a10000020:04:300
299029912441,0cyclictest0-21swapper21:48:140
299029912346,0cyclictest7350irq/45-4a10000022:59:530
299029912337,0cyclictest11865-21unixbench_singl19:50:090
299029912336,0cyclictest30395-21/usr/sbin/munin19:09:480
299029912252,0cyclictest0-21swapper20:28:480
299029912246,0cyclictest7350irq/45-4a10000019:40:060
299029912245,0cyclictest7350irq/45-4a10000021:59:400
299029912239,0cyclictest0-21swapper00:19:220
299029912235,0cyclictest681-21grep19:19:230
299029912234,0cyclictest20964-21sendmail-msp20:19:170
299029912229,0cyclictest27342-21runrttasks22:11:130
299029912141,0cyclictest0-21swapper19:29:430
299029912137,0cyclictest18332-21open_inodes23:20:150
299029912135,0cyclictest6303-21runrttasks21:09:530
299029912135,0cyclictest29454-21sendmail-msp22:22:280
299029912135,0cyclictest1003-21fw_conntrack20:54:420
299029912134,0cyclictest25061-21/usr/sbin/munin23:40:100
299029912044,0cyclictest12-21ksoftirqd/023:14:380
299029912040,0cyclictest9292-21runrttasks00:29:330
299029912040,0cyclictest0-21swapper20:02:010
299029912040,0cyclictest0-21swapper00:27:370
299029912039,0cyclictest13611-21runrttasks19:55:130
299029912036,0cyclictest4979-21unixbench_singl22:40:240
299029912033,0cyclictest19085-21runrttasks20:13:110
299029912033,0cyclictest0-21swapper00:19:150
299029911945,0cyclictest7350irq/45-4a10000022:24:500
299029911942,0cyclictest0-21swapper21:07:120
299029911941,0cyclictest0-21swapper21:42:250
299029911940,0cyclictest0-21swapper22:58:250
299029911938,0cyclictest24916-21sort22:04:500
299029911938,0cyclictest0-21swapper00:02:380
299029911930,0cyclictest24736-21df_abs20:29:270
299029911846,0cyclictest7350irq/45-4a10000022:44:570
299029911839,0cyclictest0-21swapper21:33:390
299029911837,0cyclictest0-21swapper20:40:030
299029911836,0cyclictest7705-21fschecks_time22:49:390
299029911833,0cyclictest0-21swapper19:48:320
299029911736,0cyclictest0-21swapper20:46:550
299029911733,0cyclictest15687-21runrttasks23:14:040
299029911731,0cyclictest1504-21unixbench_singl00:05:180
299029911644,0cyclictest0-21swapper23:58:030
299029911636,0cyclictest11895-21runrttasks00:36:150
299029911548,0cyclictest7350irq/45-4a10000019:24:450
299029911537,0cyclictest0-21swapper23:25:480
299029911435,0cyclictest0-21swapper19:19:140
299029911432,0cyclictest0-21swapper21:59:150
299029911335,0cyclictest2519-21/usr/sbin/munin22:34:350
299029911237,0cyclictest0-21swapper23:35:220
299029911232,0cyclictest0-21swapper23:05:390
29902997547,0cyclictest0-21swapper22:33:460
7450690,0irq/46-4a10000019227-1kworker/u3:220:18:480
29902996954,0cyclictest0-21swapper23:30:500
7350680,0irq/45-4a1000000-21swapper20:51:200
29902996740,0cyclictest0-21swapper00:12:410
29902996452,0cyclictest7350irq/45-4a10000020:34:400
29902996439,0cyclictest0-21swapper23:50:150
29902996432,0cyclictest19836-1kworker/u3:221:50:100
29902996243,0cyclictest7411-21runrttasks21:14:180
29902996239,0cyclictest0-21swapper21:39:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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