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2026-05-28 - 06:41
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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 May 28, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502630,0irq/46-4a10000012-21ksoftirqd/018:59:120
839029110,0sleep08388-21diskstats23:59:150
3914998552,0cyclictest0-21swapper20:34:040
3914998260,0cyclictest20629-21/usr/sbin/munin21:24:340
3914998258,0cyclictest0-21swapper22:44:020
7450810,0irq/46-4a10000026223-21seq20:05:040
7350810,0irq/45-4a1000009626-21sh19:18:510
3914997955,0cyclictest0-21swapper21:43:580
3914997853,0cyclictest0-21swapper22:48:590
7450770,0irq/46-4a100000194332sleep000:30:090
7450740,0irq/46-4a10000013151-1kworker/u3:219:34:390
7450720,0irq/46-4a1000004166-21sshd22:11:110
3914997249,0cyclictest14549-21runrttasks21:07:230
7450710,0irq/46-4a10000016445-21kworker/u2:323:24:240
7450710,0irq/46-4a1000001033-21runrttasks23:38:240
7350710,0irq/45-4a1000000-21swapper22:24:270
7450700,0irq/46-4a10000011769-21/usr/sbin/munin19:24:150
3914997046,0cyclictest20588-21meminfo19:49:300
3914997046,0cyclictest0-21swapper23:08:590
3914997044,0cyclictest0-21swapper22:03:580
102662707,0sleep010285-21irqstats20:54:260
7450690,0irq/46-4a100000310-21cron23:21:490
7450690,0irq/46-4a10000013151-1kworker/u3:219:29:030
3914996951,0cyclictest18384-21aten_r4power_po21:19:010
7450680,0irq/46-4a1000002573-1kworker/u3:223:44:030
7350680,0irq/45-4a1000000-21swapper00:05:180
3914996755,0cyclictest7350irq/45-4a10000022:29:190
3914996748,0cyclictest28397-21modprobe20:13:490
3914996741,0cyclictest0-21swapper21:35:230
7350660,0irq/45-4a1000000-21swapper20:53:490
3914996653,0cyclictest0-21swapper00:20:120
3914996652,0cyclictest0-21swapper22:00:190
3914996647,0cyclictest1117-21latency_hist20:28:530
3914996646,0cyclictest0-21swapper21:08:590
3914996642,0cyclictest1509-21sshd20:29:110
3914996640,0cyclictest0-21swapper21:40:120
3914996631,0cyclictest0-21swapper23:54:150
3914996554,0cyclictest7350irq/45-4a10000021:49:120
3914996553,0cyclictest7350irq/45-4a10000020:59:280
3914996552,0cyclictest7350irq/45-4a10000023:04:060
3914996552,0cyclictest7350irq/45-4a10000020:14:300
3914996551,0cyclictest7350irq/45-4a10000022:39:190
3914996546,0cyclictest12373-21/usr/sbin/munin00:09:460
3914996545,0cyclictest17854-21seq19:41:240
3914996544,0cyclictest11337-21munin-run19:23:510
3914996543,0cyclictest460-21snmpd19:59:120
3914996543,0cyclictest31200-21threads21:54:440
3914996542,0cyclictest0-21swapper23:49:590
3914996541,0cyclictest5238-21meminfo20:39:300
3914996540,0cyclictest0-21swapper23:39:550
3914996540,0cyclictest0-21swapper21:30:080
3914996539,0cyclictest0-21swapper22:55:420
7450640,0irq/46-4a1000007581-21seq20:46:140
3914996451,0cyclictest12-21ksoftirqd/000:14:240
3914996451,0cyclictest0-21swapper23:00:440
3914996445,0cyclictest22272-21/usr/sbin/munin19:54:290
3914996445,0cyclictest17137-21/usr/sbin/munin21:14:270
3914996439,0cyclictest0-21swapper22:20:280
7450630,0irq/46-4a10000023278-21kworker/u2:423:29:050
3914996341,0cyclictest0-21swapper22:35:340
3914996339,0cyclictest0-21swapper22:15:260
3914996339,0cyclictest0-21swapper00:25:140
3914996332,0cyclictest6342-21df_inode19:09:180
3914996327,0cyclictest4472-21runrttasks19:04:190
3914996326,0cyclictest19333-21unixbench_singl19:44:490
7450620,0irq/46-4a10000024662-1kworker/u3:223:18:110
3914996250,0cyclictest12-21ksoftirqd/020:19:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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