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2026-07-04 - 06:45
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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 Sat Jul 04, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502200,0irq/45-4a1000007816-21kworker/0:319:04:590
7450910,0irq/46-4a10000017755-21sendmail-msp21:05:410
12085998557,0cyclictest0-21swapper22:57:010
12085998457,0cyclictest0-21swapper23:01:260
7450830,0irq/46-4a10000022966-21runrttasks22:49:350
12085998356,0cyclictest0-21swapper19:32:010
31152828,0sleep03116-21meminfo20:15:080
12085998258,0cyclictest0-21swapper00:00:280
7450810,0irq/46-4a10000030322-21fw_forwarded_lo19:59:590
7450810,0irq/46-4a1000001516-21ntpq20:10:170
7350810,0irq/45-4a10000031913-21grep20:04:500
7450800,0irq/46-4a10000031368-21sendmail-msp21:42:140
7450800,0irq/46-4a100000310-21cron20:37:170
7350800,0irq/45-4a100000267292chrt19:49:400
62542808,0sleep06255-21memory23:35:180
12085998054,0cyclictest0-21swapper20:32:480
12085998051,0cyclictest0-21swapper21:31:220
7450790,0irq/46-4a10000020829-1kworker/u3:000:27:530
7450790,0irq/46-4a10000016000-21cron20:54:190
7350790,0irq/45-4a1000000-21swapper21:45:490
7450780,0irq/46-4a1000005490-21kworker/u2:423:40:130
7450780,0irq/46-4a10000025020-1kworker/u3:119:48:140
7450780,0irq/46-4a10000024584-21sendmail-msp21:19:240
7450780,0irq/46-4a10000014163-1kworker/u3:222:27:230
7450780,0irq/46-4a100000127732chrt20:44:280
7350780,0irq/45-4a1000000-21swapper20:58:440
164962788,0sleep016519-21/usr/sbin/munin00:05:270
7450770,0irq/46-4a10000087182sleep022:06:280
7450770,0irq/46-4a10000031092-21runrttasks23:14:010
7450770,0irq/46-4a10000021623-21/usr/sbin/munin19:34:460
7450770,0irq/46-4a10000019354-1kworker/u3:121:10:130
7450770,0irq/46-4a100000175762sleep019:22:470
215692779,0sleep021570-21memory00:20:210
12085997752,0cyclictest0-21swapper22:32:420
12085997737,0cyclictest0-21swapper23:18:340
7450760,0irq/46-4a100000574-1kworker/u3:221:50:090
7450760,0irq/46-4a10000032559-21kworker/u2:220:42:170
7450760,0irq/46-4a10000025422-1kworker/u3:200:35:180
7450760,0irq/46-4a10000015892-1kworker/u3:219:40:260
7350760,0irq/45-4a1000000-21swapper22:19:500
112622768,0sleep011264-21irqstats23:50:100
7450750,0irq/46-4a1000009926-21/usr/sbin/munin23:45:410
7450750,0irq/46-4a1000009281-21hostname22:09:320
7450750,0irq/46-4a1000003146-21/usr/sbin/munin23:25:340
7450750,0irq/46-4a10000029979-1kworker/u3:023:19:560
7450750,0irq/46-4a10000029493-1kworker/u3:221:38:380
7450750,0irq/46-4a100000123732chrt22:18:350
7450750,0irq/46-4a10000010520-1kworker/u3:119:15:390
7350750,0irq/45-4a10000019297-21sendmail-msp22:39:230
7350750,0irq/45-4a1000000-21swapper21:28:550
7450740,0irq/46-4a1000006450-1kworker/u3:020:25:230
7450740,0irq/46-4a10000025422-1kworker/u3:200:30:490
7450740,0irq/46-4a10000010942-1kworker/u3:221:00:070
7350740,0irq/45-4a10000025792-21users21:20:420
7450730,0irq/46-4a1000007234-1kworker/u3:123:55:220
7450730,0irq/46-4a1000001151-1kworker/u3:223:34:210
7350730,0irq/45-4a1000005622-21runrttasks21:59:020
7450720,0irq/46-4a10000010520-1kworker/u3:119:09:420
7350720,0irq/45-4a1000006427-21ls22:00:190
7350720,0irq/45-4a1000004116-21sendmail-msp20:19:390
12085997246,0cyclictest0-21swapper23:05:180
7450710,0irq/46-4a100000310-21cron19:26:170
7450710,0irq/46-4a10000029507-21sshd19:57:470
7450710,0irq/46-4a10000018024-21/usr/sbin/munin00:10:110
209852710,0sleep017877-1kworker/u3:222:44:210
7450700,0irq/46-4a10000019384-21awk00:14:360
7450700,0irq/46-4a10000017877-1kworker/u3:222:44:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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