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2026-06-22 - 10:42
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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 Mon Jun 22, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502000,0irq/46-4a1000001130-21runrttasks19:08:180
7450990,0irq/46-4a1000006357-21sensors20:55:420
7450970,0irq/46-4a10000019040-21runrttasks19:59:520
7450960,0irq/46-4a1000003886-21aten_r4power_vo00:00:040
7450950,0irq/46-4a10000019574-21/usr/sbin/munin23:10:190
7450950,0irq/46-4a1000001264-21switchtime23:50:430
7450940,0irq/46-4a100000438-21snmpd19:47:510
7450940,0irq/46-4a1000003484-1kworker/u3:020:54:380
7450940,0irq/46-4a10000024471-21df23:25:040
7450940,0irq/46-4a10000014324-21forks22:55:120
7450940,0irq/46-4a10000013912-21sendmail-msp21:20:240
7450940,0irq/46-4a1000001374-21sed22:15:470
194462940,0sleep05187-1kworker/u3:120:00:100
7450930,0irq/46-4a1000008967-21hostname22:40:000
7450930,0irq/46-4a100000755-21fschecks_time20:40:180
7450930,0irq/46-4a1000004662-21expr22:25:430
7450930,0irq/46-4a10000030135-21pluginstate23:40:440
7450930,0irq/46-4a1000002350-21diskstats23:55:110
7450930,0irq/46-4a10000021161-21runrttasks20:05:110
7450930,0irq/46-4a10000019003-21/usr/sbin/munin23:09:490
7450930,0irq/46-4a10000016255-21irqstats21:25:250
7450930,0irq/46-4a10000015607-21sendmail-msp23:00:120
7450930,0irq/46-4a10000013211-21/usr/sbin/munin00:25:460
7450930,0irq/46-4a10000012296-21/usr/sbin/munin21:15:400
7450930,0irq/46-4a10000011921-21runrttasks19:37:480
7450930,0irq/46-4a10000010787-21cstates00:20:030
7450920,0irq/46-4a1000003648-21munin-plugin-st22:24:480
7450920,0irq/46-4a10000031403-21chrt23:45:110
7450920,0irq/46-4a10000027564-21sendmail-msp22:00:350
7450920,0irq/46-4a10000026167-21df21:55:040
7450920,0irq/46-4a10000020944-21runrttasks21:40:020
7450920,0irq/46-4a10000020931-21hostname23:14:590
7450920,0irq/46-4a10000019427-21chrt21:35:080
7450920,0irq/46-4a10000017312-21grep00:39:490
7450920,0irq/46-4a10000013724-1kworker/u3:022:54:370
7450920,0irq/46-4a10000011509-21grep22:45:440
7450920,0irq/46-4a10000010494-21sendmail-msp00:19:490
127832920,0sleep011686-1kworker/u3:219:40:250
7450910,0irq/46-4a1000007172-21/usr/sbin/munin00:10:350
7450910,0irq/46-4a1000006104-21meminfo19:20:350
7450910,0irq/46-4a1000005918-21fw_conntrack22:30:200
7450910,0irq/46-4a10000027669-21/usr/sbin/munin23:35:210
7450910,0irq/46-4a10000025869-21sendmail-msp20:20:330
7450910,0irq/46-4a10000025171-21/usr/sbin/munin20:15:410
7450910,0irq/46-4a1000002511-21fw_forwarded_lo20:45:170
7450910,0irq/46-4a10000024716-21/usr/sbin/munin21:50:230
7450910,0irq/46-4a10000022851-21diskstats20:10:100
7450910,0irq/46-4a10000022442-21sendmail-msp23:20:150
7450910,0irq/46-4a1000001444-21ls19:09:520
7450910,0irq/46-4a10000014316-21seq00:30:110
7450900,0irq/46-4a1000009009-21cpu21:05:020
7450900,0irq/46-4a1000007804-21memory19:25:310
7450900,0irq/46-4a1000007781-21runrttasks22:35:320
7450900,0irq/46-4a10000031457-21tune2fs22:10:140
7450900,0irq/46-4a10000030977-1kworker/u3:220:38:030
7450900,0irq/46-4a10000030239-21grep22:05:460
7450900,0irq/46-4a10000028141-21fw_conntrack20:25:210
7450900,0irq/46-4a10000023266-21open_files21:45:370
7450900,0irq/46-4a10000017991-21latency21:30:270
7450900,0irq/46-4a10000010060-21runrttasks19:31:320
7350900,0irq/45-4a10000029409-21cut20:29:590
7350900,0irq/45-4a10000025961-21/usr/sbin/munin23:30:400
7450890,0irq/46-4a1000006077-21meminfo00:05:310
7450890,0irq/46-4a100000438-21snmpd19:14:550
7450890,0irq/46-4a10000016728-21unixbench_singl19:50:460
7350890,0irq/45-4a10000011063-21basename21:10:220
7450880,0irq/46-4a1000007569-21/usr/sbin/munin21:00:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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