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2026-04-28 - 12:09
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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 50 highest latencies:
System rack4slot2.osadl.org (updated Tue Apr 28, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502050,0irq/45-4a10000027871-21kworker/0:019:03:420
91062930,0sleep07787-1kworker/u3:222:50:130
7450900,0irq/46-4a10000027357-21runrttasks20:32:260
7350900,0irq/45-4a10000010134-21users21:16:140
7450890,0irq/46-4a10000032506-1kworker/u3:222:31:260
7450890,0irq/46-4a10000031481-21df_abs22:20:180
7450890,0irq/46-4a10000025585-1kworker/u3:123:42:530
7450880,0irq/46-4a1000007496-21/usr/sbin/munin22:45:160
7450880,0irq/46-4a10000020239-21cat20:11:000
7450880,0irq/46-4a10000018857-1kworker/u3:121:48:380
7450880,0irq/46-4a10000017466-21munin-run21:40:020
7450880,0irq/46-4a10000015460-1kworker/u3:119:59:540
7450880,0irq/46-4a10000011367-21sshd00:30:440
11162880,0chrt1110-1kworker/u3:219:15:450
7450870,0irq/46-4a100000989-21if_eth022:25:360
7450870,0irq/46-4a1000008485-1kworker/u3:100:24:500
7450870,0irq/46-4a1000007190-21idleruntime-cro21:10:010
7450870,0irq/46-4a1000006060-21fw_conntrack19:30:300
7450870,0irq/46-4a1000006007-21expr00:15:270
7450870,0irq/46-4a100000500-21latency_hist00:00:050
7450870,0irq/46-4a1000004436-21irqstats21:00:380
7450870,0irq/46-4a1000004230-21diskstats22:35:240
7450870,0irq/46-4a1000003359-21seq00:06:340
7450870,0irq/46-4a10000031643-21fschecks_count19:10:460
7450870,0irq/46-4a10000031435-21cat20:45:150
7450870,0irq/46-4a10000030008-21sort23:50:330
7450870,0irq/46-4a10000027540-1kworker/u3:023:48:260
7450870,0irq/46-4a10000025698-21runrttasks22:02:430
7450870,0irq/46-4a10000024734-21/usr/sbin/munin23:35:220
7450870,0irq/46-4a10000022708-21/usr/sbin/munin21:55:340
7450870,0irq/46-4a10000021706-21awk23:25:500
7450870,0irq/46-4a10000017904-21entropy21:40:270
7450870,0irq/46-4a10000016712-21runrttasks20:00:560
7450870,0irq/46-4a10000015460-1kworker/u3:120:06:560
7450870,0irq/46-4a10000014148-1kworker/u3:223:23:080
7450870,0irq/46-4a10000012973-21/usr/sbin/munin21:25:380
7450870,0irq/46-4a10000010781-21runrttasks19:45:120
7450870,0irq/46-4a10000010613-21cron00:30:000
325202870,0chrt30964-1kworker/u3:023:57:250
7450860,0irq/46-4a1000007209-21awk22:45:010
7450860,0irq/46-4a100000705-21df_abs20:50:190
7450860,0irq/46-4a10000051792sleep019:27:380
7450860,0irq/46-4a1000004118-21cstates00:10:180
7450860,0irq/46-4a10000028705-21/usr/sbin/munin22:10:560
7450860,0irq/46-4a1000002684-21chrt19:20:350
7450860,0irq/46-4a10000026717-21sshd22:05:440
7450860,0irq/46-4a10000024298-21munin-run23:35:010
7450860,0irq/46-4a10000024268-21cron20:25:010
7450860,0irq/46-4a10000022253-21seq20:17:300
7450860,0irq/46-4a10000021541-21kernelversion21:50:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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