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2025-01-03 - 02:44
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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 Fri Jan 03, 2025 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501990,0irq/46-4a1000001303-21/usr/sbin/munin18:58:520
225299137125,0cyclictest12-21ksoftirqd/019:51:590
225299133119,0cyclictest12-21ksoftirqd/000:21:430
7450900,0irq/46-4a10000012242-21/usr/sbin/munin21:09:050
7350900,0irq/45-4a10000019817-1kworker/u3:221:34:390
7450890,0irq/46-4a1000008393-21runrttasks19:20:370
7450880,0irq/46-4a10000028299-21sendmail-msp23:53:030
7450880,0irq/46-4a10000019691-21munin-run21:33:050
7450880,0irq/46-4a10000014305-21chrt21:13:380
7450880,0irq/46-4a10000013136-21sendmail_mailtr19:34:100
7350880,0irq/45-4a100000886-1kworker/u3:522:38:080
2252998849,0cyclictest0-21swapper22:18:090
7450870,0irq/46-4a1000006669-21/usr/sbin/munin00:29:020
7450870,0irq/46-4a1000006577-21runrttasks19:14:430
7450870,0irq/46-4a1000004932-21snmpd22:03:360
7450870,0irq/46-4a10000030873-21cron20:28:000
7450870,0irq/46-4a10000021457-21ntpq19:59:010
7450870,0irq/46-4a10000017580-21mailstats23:14:060
137942878,0sleep013802-21kernelversion23:03:510
7450860,0irq/46-4a1000006685-21chrt22:38:210
7450860,0irq/46-4a1000005433-21kworker/u2:521:05:340
7450860,0irq/46-4a10000031386-21irqstats00:03:470
7450860,0irq/46-4a10000030843-21kworker/u2:100:16:240
7450860,0irq/46-4a10000026533-21/usr/sbin/munin20:13:540
7450860,0irq/46-4a10000026501-21sshd23:47:460
7450860,0irq/46-4a1000002489-21threads22:24:110
7450860,0irq/46-4a10000024691-21chrt23:41:480
7450860,0irq/46-4a10000020525-21sshd23:26:460
7450860,0irq/46-4a10000016388-1kworker/u3:620:18:220
2252998676,0cyclictest12-21ksoftirqd/021:41:170
2252998656,0cyclictest0-21swapper21:03:140
7450850,0irq/46-4a1000004958-21ntpq00:24:000
7450850,0irq/46-4a1000004932-21snmpd20:57:500
7450850,0irq/46-4a1000004921-21seq20:45:120
7450850,0irq/46-4a10000031043-1kworker/u3:220:35:470
7450850,0irq/46-4a10000030295-21sshd22:08:480
7450850,0irq/46-4a10000022570-1kworker/u3:223:33:510
7450850,0irq/46-4a10000021366-21sshd23:28:470
7450850,0irq/46-4a10000016682-21kworker/u2:3419:45:400
7450850,0irq/46-4a10000015514-21cron19:43:000
7450850,0irq/46-4a10000013995-21kworker/u2:021:18:060
7450850,0irq/46-4a10000013148-21latency_hist23:03:030
7450850,0irq/46-4a100000120322sleep022:55:090
7450840,0irq/46-4a1000009549-21ntpq19:24:020
7450840,0irq/46-4a100000910-21kworker/u2:1622:28:180
7450840,0irq/46-4a1000007496-21aten_r4power_vo22:43:220
7450840,0irq/46-4a1000004932-21snmpd19:12:090
7450840,0irq/46-4a10000030352-1kworker/u3:000:08:450
7450840,0irq/46-4a10000030352-1kworker/u3:000:02:550
7450840,0irq/46-4a1000002507-21cpu19:03:270
7450840,0irq/46-4a10000022570-1kworker/u3:223:56:090
7450840,0irq/46-4a10000022255-21kworker/u2:121:48:150
7450830,0irq/46-4a100000856-21sshd22:18:470
7450830,0irq/46-4a100000321862sleep020:29:410
7450830,0irq/46-4a10000027902-21runrttasks22:02:310
7450830,0irq/46-4a10000025377-21runrttasks20:09:580
7450830,0irq/46-4a1000002328-21diskstats20:38:350
7450830,0irq/46-4a10000022387-21runrttasks21:43:240
7450830,0irq/46-4a100000165312chrt21:23:220
7450830,0irq/46-4a10000016388-1kworker/u3:619:53:460
7450830,0irq/46-4a10000013249-21kworker/u2:323:08:100
7450830,0irq/46-4a10000011156-21meminfo19:28:560
7450830,0irq/46-4a100000102192sleep022:49:260
2252998353,0cyclictest0-21swapper23:18:280
7450820,0irq/46-4a1000005432-1kworker/u3:320:48:590
7450820,0irq/46-4a10000022700-21df20:03:280
7450810,0irq/46-4a10000025903-21df21:53:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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