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2023-12-09 - 09:54
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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 792 highest latencies:
System rack4slot2.osadl.org (updated Sat Dec 09, 2023 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501880,0irq/46-4a10000015886-21runrttasks19:00:290
16333999559,0cyclictest0-21swapper23:34:020
7350890,0irq/45-4a1000006701-1kworker/u3:223:20:450
7350890,0irq/45-4a10000027589-21awk00:18:480
7350890,0irq/45-4a10000013688-1kworker/u3:122:04:550
16333998757,0cyclictest0-21swapper20:13:300
16333998658,0cyclictest0-21swapper00:20:020
7350850,0irq/45-4a1000008716-1kworker/u3:321:50:060
16333998449,0cyclictest0-21swapper20:41:050
7450830,0irq/46-4a10000018247-21munin-node23:59:030
7350830,0irq/45-4a1000005291-21modprobe23:13:480
7350830,0irq/45-4a10000027973-21seq19:34:410
16333998358,0cyclictest0-21swapper23:33:130
16333998357,0cyclictest0-21swapper22:19:040
16333998356,0cyclictest0-21swapper00:09:020
16333998355,0cyclictest0-21swapper23:18:290
2669928213,0sleep026723-21expr22:39:540
16333998258,0cyclictest0-21swapper19:15:290
7450810,0irq/46-4a10000032210-21chrt21:21:430
7450810,0irq/46-4a10000032109-21runrttasks22:55:010
7450810,0irq/46-4a10000024039-21/usr/sbin/munin20:59:350
7450810,0irq/46-4a10000014391-21chrt20:29:450
7350810,0irq/45-4a10000028873-21runrttasks22:46:380
7350810,0irq/45-4a10000024789-21meminfo22:34:410
7350810,0irq/45-4a10000018892-21apt20:44:060
7450800,0irq/46-4a1000007102-21/usr/sbin/munin21:44:190
7450800,0irq/46-4a10000032604-21/usr/sbin/munin21:24:590
7450800,0irq/46-4a10000025756-21seq21:04:080
7450800,0irq/46-4a10000021127-21grep22:24:270
7450800,0irq/46-4a10000018817-21aten_r4power_cu19:09:250
7450800,0irq/46-4a1000001757-21/usr/sbin/munin19:54:400
7350800,0irq/45-4a1000003459-21modprobe21:33:490
7350800,0irq/45-4a10000015091-21users23:40:030
16333998052,0cyclictest0-21swapper19:07:120
102282807,0sleep010229-21sshd23:27:230
7450790,0irq/46-4a10000024350-21snmpd22:11:240
7450790,0irq/46-4a10000023490-1kworker/u3:121:09:520
7450790,0irq/46-4a10000021096-21chrt20:49:370
7350790,0irq/45-4a10000030830-21copy21:18:530
7350790,0irq/45-4a10000019160-21/usr/sbin/munin23:54:160
7350790,0irq/45-4a10000015830-21aten_r4power_vo23:44:140
239212790,0sleep020753-1kworker/u3:000:07:070
7932780,0sleep032365-1kworker/u3:022:59:360
7450780,0irq/46-4a1000006862-21cron21:43:470
7450780,0irq/46-4a10000031972-21chrt19:45:520
7450780,0irq/46-4a10000031814-1kworker/u3:019:49:340
7450780,0irq/46-4a10000017484-21aten_r4power_en23:49:110
7450780,0irq/46-4a10000010743-21fschecks_time20:19:340
7350780,0irq/45-4a10000031925-21uname00:29:580
7350780,0irq/45-4a10000023847-21seq22:32:370
254972780,0chrt21009-1kworker/u3:119:28:490
162412780,0chrt13497-1kworker/u3:020:34:520
7450770,0irq/46-4a1000003584-21runrttasks21:34:000
7450770,0irq/46-4a10000023651-21runrttasks20:56:550
7450770,0irq/46-4a10000022452-21sed19:19:200
7450770,0irq/46-4a10000017274-21latency_hist22:13:520
7350770,0irq/45-4a10000030888-21runrttasks22:53:480
7350770,0irq/45-4a10000024350-21snmpd19:29:480
7450760,0irq/46-4a1000006520-1kworker/u3:121:55:040
7450760,0irq/46-4a1000006468-21chrt20:06:410
7450760,0irq/46-4a10000030562-21runrttasks19:43:210
7450760,0irq/46-4a10000025158-1kworker/u3:300:24:540
7450760,0irq/46-4a1000001633-1kworker/u3:223:04:170
7450760,0irq/46-4a10000012829-21ntpq21:59:450
7450760,0irq/46-4a10000011656-1kworker/u3:120:24:480
7350760,0irq/45-4a1000009162-21irqstats20:14:380
7450750,0irq/46-4a1000004694-21runrttasks20:01:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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