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2025-12-04 - 02:56
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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 Dec 04, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502010,0irq/45-4a10000031653-21kworker/0:119:03:470
7450980,0irq/46-4a10000024242-21seq20:13:020
1430429810,0sleep014295-21apt-get00:28:030
7450970,0irq/46-4a100000443-21snmpd00:19:240
7450960,0irq/46-4a10000026744-21irqstats23:28:300
7450960,0irq/46-4a10000014023-21wget19:43:060
7450950,0irq/46-4a1000004632-21load23:58:350
7450940,0irq/46-4a1000009026-21df19:28:120
7450940,0irq/46-4a1000004580-1kworker/u3:520:50:190
7450940,0irq/46-4a10000030288-21processes22:03:490
7450940,0irq/46-4a10000029846-21fw_conntrack20:28:240
7450940,0irq/46-4a10000028840-21processes23:34:440
7450940,0irq/46-4a10000025945-21awk21:52:500
7450940,0irq/46-4a10000021899-21chrt20:03:560
7450940,0irq/46-4a10000019781-21irqstats21:33:380
7450940,0irq/46-4a1000001901-21meminfo19:08:340
7450940,0irq/46-4a10000018143-21runrttasks21:29:080
7450940,0irq/46-4a10000012105-21apt19:37:500
7450940,0irq/46-4a10000011243-21fw_forwarded_lo22:43:260
957129311,0sleep09572-21memory21:03:380
7450930,0irq/46-4a1000009548-21tune2fs00:13:240
7450930,0irq/46-4a1000008200-21runrttasks19:24:040
7450930,0irq/46-4a100000658-21df_abs20:38:150
7450930,0irq/46-4a1000003372-21users23:53:560
7450930,0irq/46-4a10000032766-21cron22:12:490
7450930,0irq/46-4a10000029283-21grep20:27:510
7450930,0irq/46-4a10000028944-21runrttasks21:59:230
7450930,0irq/46-4a10000019348-21runrttasks23:08:020
7450930,0irq/46-4a10000017387-21chrt19:53:020
7450930,0irq/46-4a10000015101-21/usr/sbin/munin22:53:520
7450930,0irq/46-4a1000001356-21ntpdc23:49:320
71762930,0chrt7142-1kworker/u3:000:06:470
230612937,0sleep023097-21perl21:43:290
7450920,0irq/46-4a1000009385-1kworker/u3:100:23:330
7450920,0irq/46-4a1000009000-21cron00:12:490
7450920,0irq/46-4a100000786-21/usr/sbin/munin22:13:200
7450920,0irq/46-4a1000005349-1kworker/u3:022:29:530
7450920,0irq/46-4a100000472-21https23:47:500
7450920,0irq/46-4a1000003439-21runrttasks19:13:100
7450920,0irq/46-4a1000003302-1kworker/u3:122:26:120
7450920,0irq/46-4a10000031029-21runrttasks23:41:260
7450920,0irq/46-4a10000026315-1kworker/u3:319:18:270
7450920,0irq/46-4a10000022838-21diskstats20:08:180
7450920,0irq/46-4a10000019664-21kernelversion19:58:330
7450920,0irq/46-4a10000014058-21latency_hist22:52:490
7350920,0irq/45-4a10000021668-21sshd21:39:260
7450910,0irq/46-4a1000009438-21cut22:38:200
7450910,0irq/46-4a1000007977-21runrttasks22:33:400
7450910,0irq/46-4a1000007854-21runrttasks20:58:350
7450910,0irq/46-4a1000005839-21diskstats20:53:220
7450910,0irq/46-4a10000031311-21cstates20:33:110
7450910,0irq/46-4a10000026515-21irqstats20:18:340
7450910,0irq/46-4a10000023440-21grep23:18:410
7450910,0irq/46-4a1000002161-21ls22:17:540
7450910,0irq/46-4a10000021361-21df_inode23:13:140
7450910,0irq/46-4a10000018499-21grep23:03:500
7450910,0irq/46-4a10000016448-21chrt00:33:260
7450910,0irq/46-4a10000016288-21fw_conntrack21:23:290
7450910,0irq/46-4a10000016250-21entropy22:58:210
7450910,0irq/46-4a10000012286-21aten_r4power_en19:38:050
7450910,0irq/46-4a10000011138-21idleruntime21:08:290
7450900,0irq/46-4a10000026788-21/usr/sbin/munin21:53:440
7450900,0irq/46-4a10000024500-21/usr/sbin/munin23:23:050
7450900,0irq/46-4a10000015792-21egrep19:48:080
7450900,0irq/46-4a10000012439-21aten_r4power_en21:13:070
7450890,0irq/46-4a1000002045-21ls20:42:530
7450890,0irq/46-4a10000014421-21df_inode21:18:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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