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2026-03-11 - 09:46
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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 Wed Mar 11, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74509330,0irq/46-4a1000006224-1kworker/u3:219:04:190
290032980,0sleep026507-1kworker/u3:220:07:360
7450960,0irq/46-4a1000001677-21runrttasks21:57:320
7450930,0irq/46-4a10000030727-21missed_timers20:12:380
7450930,0irq/46-4a10000020038-21/usr/sbin/munin00:27:070
7450930,0irq/46-4a10000013866-21mailstats20:57:450
7350930,0irq/45-4a1000008263-21/usr/sbin/munin20:42:170
7450920,0irq/46-4a1000003577-21rt-features20:27:460
7450920,0irq/46-4a10000028878-21fw_forwarded_lo23:17:240
7450920,0irq/46-4a10000016979-21irqstats22:42:270
7450920,0irq/46-4a10000014276-21runrttasks22:34:150
7450920,0irq/46-4a10000012849-1kworker/u3:122:56:030
7450910,0irq/46-4a1000008442-21irqstats22:17:270
7450910,0irq/46-4a1000006836-21/usr/sbin/munin22:12:400
7450910,0irq/46-4a1000003393-21/usr/sbin/munin23:37:340
7450910,0irq/46-4a10000032142-21entropy23:27:160
7450910,0irq/46-4a10000028453-21cut21:42:010
7450910,0irq/46-4a10000026883-21cpuspeed21:37:060
7450910,0irq/46-4a10000023356-21wget21:27:030
7450910,0irq/46-4a10000021744-21cpuspeed21:22:050
7450910,0irq/46-4a10000020170-21/usr/sbin/munin21:17:110
7450910,0irq/46-4a10000011073-21runrttasks22:25:540
143802910,0chrt14217-1kworker/u3:100:10:060
7450900,0irq/46-4a1000009979-21munin-node19:11:580
7450900,0irq/46-4a1000004769-21sed20:32:120
7450900,0irq/46-4a100000460-21snmpd20:40:430
7450900,0irq/46-4a100000460-21snmpd00:22:260
7450900,0irq/46-4a100000460-21snmpd00:02:150
7450900,0irq/46-4a10000030733-21memory23:22:340
7450900,0irq/46-4a10000027810-21sshd20:03:080
7450900,0irq/46-4a10000025166-21/usr/sbin/munin19:57:070
7450900,0irq/46-4a10000024348-21uptime23:02:520
7450900,0irq/46-4a10000023719-21fw_conntrack19:52:210
7450900,0irq/46-4a10000022034-21runrttasks00:32:250
7450900,0irq/46-4a1000002132-21uptime23:32:530
7450900,0irq/46-4a10000019183-21seq21:12:510
7450900,0irq/46-4a1000001832-21/usr/sbin/munin20:22:420
7450900,0irq/46-4a10000018126-21grep22:46:560
7450900,0irq/46-4a10000017046-21latency00:17:340
7450900,0irq/46-4a10000015897-1kworker/u3:121:11:440
7450900,0irq/46-4a10000015449-21/usr/sbin/munin00:12:450
7450900,0irq/46-4a10000014960-21df22:37:080
7450890,0irq/46-4a1000009941-21df_inode23:57:170
7450890,0irq/46-4a1000007870-21grep23:51:560
7450890,0irq/46-4a100000666-1kworker/u3:021:55:040
7450890,0irq/46-4a1000004883-21grep23:42:180
7450890,0irq/46-4a1000004646-21cpuspeed22:07:050
7450890,0irq/46-4a10000032431-21meminfo20:17:330
7450890,0irq/46-4a10000030324-21seq21:47:090
7450890,0irq/46-4a10000025984-21grep21:32:570
7450890,0irq/46-4a10000021735-21/usr/sbin/munin19:47:070
7450890,0irq/46-4a10000021442-21munin-run19:46:530
7450890,0irq/46-4a10000018749-21/usr/sbin/munin19:37:300
7450890,0irq/46-4a10000013257-21grep19:22:090
7450890,0irq/46-4a10000011769-21fw_forwarded_lo20:52:250
7450890,0irq/46-4a10000011707-21tune2fs19:17:190
7450890,0irq/46-4a10000011515-21sshd22:27:070
7350890,0irq/45-4a10000021774-21expr22:57:060
7450880,0irq/46-4a1000006202-21aten_r4power_cu23:47:010
7450880,0irq/46-4a1000002898-21/usr/sbin/munin22:02:040
7450880,0irq/46-4a10000027374-21ntp_kernel_pll_23:12:390
7450880,0irq/46-4a10000026037-21sed23:07:490
7450880,0irq/46-4a10000017673-21sshd19:34:090
7450880,0irq/46-4a10000015267-21irqstats21:02:290
7450880,0irq/46-4a10000014935-21df19:27:070
7450880,0irq/46-4a10000010664-21/usr/sbin/munin20:47:510
7450880,0irq/46-4a10000010661-21runrttasks19:12:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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