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2025-09-14 - 04:50
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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 Sun Sep 14, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501930,0irq/46-4a100000792-21runrttasks19:05:500
73501020,0irq/45-4a1000008456-1kworker/u3:119:32:460
7450970,0irq/46-4a10000018705-1kworker/u3:121:39:170
1928329334,0sleep012-21ksoftirqd/023:07:330
223722909,0sleep022376-21munin-run23:17:110
7350870,0irq/45-4a1000001962-21copy23:52:420
1001998753,0cyclictest0-21swapper19:28:290
7450860,0irq/46-4a100000439-21snmpd19:45:330
7450840,0irq/46-4a10000026610-21/usr/sbin/munin20:18:180
7450840,0irq/46-4a10000022474-21latency_hist23:17:150
7350840,0irq/45-4a10000023973-21apt-get21:48:400
1001998460,0cyclictest0-21swapper21:57:220
7450830,0irq/46-4a1000008810-21copy00:12:440
7450830,0irq/46-4a10000011153-21grep22:43:010
7350830,0irq/45-4a10000015951-21awk00:32:350
128812830,0chrt10893-1kworker/u3:221:13:080
7450820,0irq/46-4a1000007753-21ps20:58:110
7450820,0irq/46-4a1000005625-21idleruntime19:17:490
7450820,0irq/46-4a10000031377-21df23:42:380
7450820,0irq/46-4a10000028816-1kworker/u3:023:35:200
7450820,0irq/46-4a10000027137-21chrt21:55:160
7450820,0irq/46-4a10000024294-21wget23:22:280
7450820,0irq/46-4a1000001399-21sed19:07:490
7450820,0irq/46-4a10000013929-21runrttasks22:52:210
7350820,0irq/45-4a1000005432-21latency_hist00:02:130
127172820,0sleep09911-1kworker/u3:500:22:490
1001998249,0cyclictest0-21swapper21:43:090
7450810,0irq/46-4a1000009058-21df_abs22:37:350
7450810,0irq/46-4a1000006908-21/usr/sbin/munin19:22:290
7450810,0irq/46-4a1000005627-21fschecks_count20:52:440
7450810,0irq/46-4a1000004866-21seq20:50:170
7450810,0irq/46-4a1000003672-21runrttasks22:22:280
7450810,0irq/46-4a1000003062-21sensors_temp19:12:240
7450810,0irq/46-4a10000020620-21latency_hist21:37:150
7450810,0irq/46-4a10000018997-21seq23:07:120
7450810,0irq/46-4a10000018358-21seq19:54:270
7450810,0irq/46-4a10000016460-21sensors21:23:120
7450810,0irq/46-4a10000016118-21seq22:57:480
7450810,0irq/46-4a1000001380-21grep23:48:160
7450810,0irq/46-4a10000011716-21seq21:10:130
7350810,0irq/45-4a10000030695-21cron20:32:090
7350810,0irq/45-4a10000015788-21cut19:47:420
7450800,0irq/46-4a1000009400-21ntp_states21:03:050
7450800,0irq/46-4a1000008024-21find00:08:110
7450800,0irq/46-4a1000007018-21wc22:32:130
7450800,0irq/46-4a1000006575-21runrttasks22:29:210
7450800,0irq/46-4a100000439-21snmpd20:40:540
7450800,0irq/46-4a10000031055-21basename22:07:290
7450800,0irq/46-4a10000029555-21sed22:02:360
7450800,0irq/46-4a10000026241-21df_abs23:27:360
7450800,0irq/46-4a10000024234-21sed20:12:370
7450800,0irq/46-4a10000023442sleep020:42:530
7450800,0irq/46-4a10000021438-21grep20:03:130
7450800,0irq/46-4a10000019714-21awk19:58:170
7450800,0irq/46-4a10000014553-21if_eth000:27:550
178042805,0sleep017808-21grep21:27:570
7450790,0irq/46-4a100000905-21runrttasks22:13:070
7450790,0irq/46-4a1000008456-1kworker/u3:119:39:090
7450790,0irq/46-4a10000030890-21wget20:32:280
7450790,0irq/46-4a10000029229-21latency_hist23:37:150
7450790,0irq/46-4a10000027782-21sshd20:22:410
7450790,0irq/46-4a1000002762-21kworker/u2:323:57:230
7450790,0irq/46-4a10000022398-21grep20:07:260
7450790,0irq/46-4a1000002165-21df22:17:330
7450790,0irq/46-4a10000014414-21kernelversion21:17:570
7450790,0irq/46-4a10000012558-21cut22:47:420
7450790,0irq/46-4a10000011091-21tune2fs00:17:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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