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2026-06-18 - 06:33
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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 highest latencies:
System rack4slot2.osadl.org (updated Thu Jun 18, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502000,0irq/46-4a10000016966-21/usr/sbin/munin19:05:080
7450940,0irq/46-4a10000031765-21sshd00:30:450
7450930,0irq/46-4a10000030026-21runrttasks00:25:370
7350930,0irq/45-4a1000008791-21munin-run20:14:590
7450920,0irq/46-4a1000003690-21sendmail-msp20:00:250
7450920,0irq/46-4a10000027570-21cron22:44:570
7450920,0irq/46-4a10000027074-21users21:05:570
7450920,0irq/46-4a10000022910-21chrt19:20:200
7450920,0irq/46-4a10000021594-21ntp_kernel_pll_19:16:040
7450920,0irq/46-4a10000019681-21irqstats23:55:350
7450920,0irq/46-4a10000011069-21runrttasks23:30:260
246912920,0chrt10532-1kworker/u3:021:00:260
7450910,0irq/46-4a1000009110-21sshd23:25:120
7450910,0irq/46-4a1000007511-21df_abs21:45:160
7450910,0irq/46-4a1000006316-21/usr/sbin/munin20:05:480
7450910,0irq/46-4a1000006089-21meminfo23:15:360
7450910,0irq/46-4a1000005770-21df_abs21:40:180
7450910,0irq/46-4a10000032727-21sendmail-msp23:00:380
7450910,0irq/46-4a10000030723-1kworker/u3:219:56:430
7450910,0irq/46-4a10000029871-21fw_forwarded_lo21:15:300
7450910,0irq/46-4a10000029754-21/usr/sbin/munin19:40:260
7450910,0irq/46-4a10000028423-21runrttasks22:45:480
7450910,0irq/46-4a10000027609-21sendmail-msp00:20:210
7450910,0irq/46-4a10000026321-21diskstats19:30:200
7450910,0irq/46-4a10000024963-21ntp_kernel_pll_00:10:470
7450910,0irq/46-4a10000024738-21fw_conntrack22:35:260
7450910,0irq/46-4a10000023447-21mailstats22:30:520
7450910,0irq/46-4a10000020882-21/usr/sbin/munin20:50:120
7450910,0irq/46-4a10000018187-21pluginstate22:15:500
7450910,0irq/46-4a10000018144-21ntp_kernel_pll_20:40:490
7450910,0irq/46-4a10000016817-21runrttasks20:35:580
7450910,0irq/46-4a10000015183-21seq22:06:250
7450910,0irq/46-4a10000015053-21runrttasks23:41:060
7450910,0irq/46-4a10000014616-21grep20:30:330
7450900,0irq/46-4a1000009223-21diskstats21:50:200
7450900,0irq/46-4a1000008552-1kworker/u3:222:04:410
7450900,0irq/46-4a1000004522-21/usr/sbin/munin21:35:510
7450900,0irq/46-4a10000031146-21aten_r4power_cu21:20:060
7450900,0irq/46-4a10000030723-1kworker/u3:219:54:370
7450900,0irq/46-4a10000029863-21fw_conntrack22:50:280
7450900,0irq/46-4a10000029053-21chrt19:38:080
7450900,0irq/46-4a10000021781-21sensors22:25:530
7450900,0irq/46-4a1000002058-21latency_hist23:05:020
7450900,0irq/46-4a10000019067-21sendmail-msp22:20:250
7450900,0irq/46-4a10000019051-21fw_forwarded_lo19:10:300
7450900,0irq/46-4a10000017444-21/usr/sbin/munin23:50:480
7450900,0irq/46-4a10000012327-21/usr/sbin/munin23:35:280
265002900,0chrt13563-1kworker/u3:000:15:320
7450890,0irq/46-4a1000008091-21which23:20:590
7450890,0irq/46-4a100000581-21cat21:25:140
7450890,0irq/46-4a10000031600-21/usr/sbin/munin19:45:300
7450890,0irq/46-4a10000031577-21fw_forwarded_lo22:55:290
7450890,0irq/46-4a1000002893-21/usr/sbin/munin21:30:490
7450890,0irq/46-4a10000027222-1kworker/u3:221:10:460
7450890,0irq/46-4a10000023409-21sendmail_mailqu00:05:530
7450890,0irq/46-4a10000023238-21grep20:55:430
7450890,0irq/46-4a10000019876-21ntp_states20:45:440
7450890,0irq/46-4a1000001986-21grep00:39:580
7450890,0irq/46-4a10000015956-21df22:10:150
7450890,0irq/46-4a10000013483-21chrt20:26:230
7450880,0irq/46-4a1000005208-21seq23:13:500
7450880,0irq/46-4a10000018929-1kworker/u3:100:02:310
7450880,0irq/46-4a10000012246-21latency_hist22:00:020
7450880,0irq/46-4a10000010527-21sendmail-msp20:20:040
7450870,0irq/46-4a1000009118-21df20:15:130
7450870,0irq/46-4a10000024922-21/usr/sbin/munin19:25:390
7450870,0irq/46-4a10000015622-21latency_hist23:45:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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