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2025-11-15 - 05:14
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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 Sat Nov 15, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502390,0irq/46-4a10000012903-1kworker/u3:119:05:130
7350870,0irq/45-4a10000028929-21/usr/sbin/munin00:35:180
7450860,0irq/46-4a100000443-21snmpd21:18:360
7350860,0irq/45-4a100000543-21copy21:39:060
183552860,0sleep017488-1kworker/u3:020:54:280
13374998655,0cyclictest0-21swapper23:19:380
7450850,0irq/46-4a10000019123-21munin-run19:23:350
7450850,0irq/46-4a10000014920-21meminfo20:45:090
7450840,0irq/46-4a10000025092-21runrttasks00:24:140
7450840,0irq/46-4a10000023812-21chrt00:20:160
7450840,0irq/46-4a10000013048-21runrttasks22:14:100
7450840,0irq/46-4a10000012114-21chrt23:44:430
174772840,0sleep017268-1kworker/u3:119:18:380
7450830,0irq/46-4a1000006283-21sshd21:54:160
7450830,0irq/46-4a100000492-21/usr/sbin/munin20:03:590
7450830,0irq/46-4a100000443-21snmpd22:39:410
7450830,0irq/46-4a100000443-21snmpd22:29:320
7450830,0irq/46-4a10000032286-21sed19:59:380
7450830,0irq/46-4a10000030688-21swap23:04:380
7450830,0irq/46-4a10000022639-21cron21:08:330
7450830,0irq/46-4a10000021086-21sendmail-msp22:38:350
7450830,0irq/46-4a10000020955-21munin-run21:03:340
7450830,0irq/46-4a10000015078-21idleruntime-cro19:13:340
7450830,0irq/46-4a10000012179-21sshd20:37:160
7350830,0irq/45-4a100000453-21runrttasks23:37:490
7350830,0irq/45-4a100000453-21runrttasks22:49:510
59642830,0chrt29510-1kworker/u3:120:19:020
47522830,0chrt4220-1kworker/u3:020:14:320
7450820,0irq/46-4a1000009292-21df_abs20:28:570
7450820,0irq/46-4a100000443-21snmpd22:59:510
7450820,0irq/46-4a100000443-21snmpd21:13:340
7450820,0irq/46-4a10000026767-21runrttasks00:29:040
7450820,0irq/46-4a10000026308-21wget21:18:540
7450820,0irq/46-4a10000025514-21runrttasks19:39:590
7450820,0irq/46-4a10000020022-21tune2fs00:09:090
7450820,0irq/46-4a10000017234-21grep23:59:370
7450820,0irq/46-4a10000014771-21runrttasks22:19:050
7450820,0irq/46-4a10000010742-1kworker/u3:419:34:090
7450810,0irq/46-4a1000009773-21fw_forwarded_lo23:39:130
7450810,0irq/46-4a1000007824-21runrttasks20:24:110
7450810,0irq/46-4a1000006177-21df_inode23:29:020
7450810,0irq/46-4a100000443-21snmpd22:09:190
7450810,0irq/46-4a100000443-21snmpd21:33:480
7450810,0irq/46-4a100000443-21snmpd21:28:450
7450810,0irq/46-4a1000004381-21df23:23:570
7450810,0irq/46-4a10000031815-21df_inode23:09:170
7450810,0irq/46-4a10000029938-21tune2fs19:54:070
7450810,0irq/46-4a10000028305-21fschecks_count21:24:050
7450810,0irq/46-4a10000027655-21cron19:48:330
7450810,0irq/46-4a10000026424-21aten_r4power_po22:53:520
7450810,0irq/46-4a10000023457-21seq22:44:200
7450810,0irq/46-4a10000021636-21diskstats00:14:030
7450810,0irq/46-4a10000017576-21sort20:53:370
7450810,0irq/46-4a1000001426-21seq23:14:320
7450810,0irq/46-4a10000012249-1kworker/u3:023:50:510
7350810,0irq/45-4a10000018527-21ls00:04:250
7450800,0irq/46-4a1000007699-21df21:58:570
7450800,0irq/46-4a1000004048-21runrttasks21:48:480
7450800,0irq/46-4a10000028109-21df_inode19:49:000
7450800,0irq/46-4a1000002534-21cstates21:43:590
7450800,0irq/46-4a1000002189-21apt20:08:430
7450800,0irq/46-4a10000021179-1kworker/u3:119:30:400
7450800,0irq/46-4a10000016128-21wget22:23:510
7450800,0irq/46-4a10000015663-21chrt23:55:480
7450800,0irq/46-4a10000010724-21chrt22:08:210
7450790,0irq/46-4a10000019369-21wget19:23:520
7450790,0irq/46-4a10000012626-21aten_r4power_vo20:38:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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