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2026-07-15 - 01:53
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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 Wed Jul 15, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745010780,0irq/46-4a10000020548-1kworker/u3:119:08:060
22117998657,0cyclictest0-21swapper19:13:290
22117998356,0cyclictest0-21swapper22:31:510
22117998353,0cyclictest0-21swapper22:22:270
22117998257,0cyclictest0-21swapper19:17:220
22117998155,0cyclictest0-21swapper19:37:150
22117998154,0cyclictest0-21swapper00:03:000
22117997956,0cyclictest0-21swapper23:19:030
22117997955,0cyclictest0-21swapper00:25:060
22117997954,0cyclictest0-21swapper21:35:290
22117997952,0cyclictest0-21swapper21:31:370
22117997950,0cyclictest0-21swapper22:48:250
283227813,0sleep02834-21irqstats22:54:290
22117997755,0cyclictest0-21swapper23:29:040
22117997751,0cyclictest0-21swapper21:45:260
22117997748,0cyclictest0-21swapper22:24:010
22117997748,0cyclictest0-21swapper21:04:170
22117997661,0cyclictest7350irq/45-4a10000019:29:060
22117997658,0cyclictest17530-21cron23:38:510
22117997651,0cyclictest0-21swapper23:08:180
22117997648,0cyclictest0-21swapper20:58:570
22117997643,0cyclictest0-21swapper21:49:170
22117997557,0cyclictest28553-21/usr/sbin/munin19:24:310
22117997550,0cyclictest0-21swapper21:15:360
22117997548,0cyclictest0-21swapper22:51:370
22117997539,0cyclictest12448-21runrttasks20:13:530
22117997459,0cyclictest7350irq/45-4a10000000:04:360
22117997456,0cyclictest31979-21missed_timers21:09:380
22117997450,0cyclictest0-21swapper21:22:140
22117997448,0cyclictest0-21swapper22:18:020
22117997445,0cyclictest0-21swapper00:12:240
22117997342,0cyclictest4335-21/usr/sbin/munin00:34:170
22117997258,0cyclictest7350irq/45-4a10000023:00:120
22117997254,0cyclictest9959-21/usr/sbin/munin20:04:430
22117997254,0cyclictest14275-21aten_r4power_cu21:54:020
22117997252,0cyclictest0-21swapper19:54:430
22117997251,0cyclictest5530-21runrttasks21:28:200
22117997251,0cyclictest19844-21fw_forwarded_lo22:09:250
22117997249,0cyclictest9469-21diskstats21:39:180
22117997249,0cyclictest26863-21meminfo19:19:390
22117997238,0cyclictest8192-21/usr/sbin/munin19:59:520
22117997237,0cyclictest16443-21fw_conntrack21:59:270
22117997151,0cyclictest0-21swapper20:14:130
22117997147,0cyclictest2933-21meminfo19:44:350
22117997057,0cyclictest7350irq/45-4a10000020:49:190
22117997053,0cyclictest18659-21timerandwakeup20:29:500
22117997048,0cyclictest30911-21runrttasks00:16:210
22117997047,0cyclictest4980-21grep19:49:500
22117997038,0cyclictest18356-21/usr/sbin/munin23:39:480
22117996954,0cyclictest15374-21/usr/sbin/munin20:20:040
22117996952,0cyclictest27734-1kworker/u3:222:41:510
22117996947,0cyclictest17486-21runrttasks20:28:200
22117996946,0cyclictest23640-21mailstats23:54:470
22117996852,0cyclictest22157-21runrttasks23:49:520
22117996850,0cyclictest2246-21latency_hist19:43:540
22117996848,0cyclictest2618-21diskstats00:29:140
22117996847,0cyclictest19391-21seq20:34:000
22117996750,0cyclictest0-21swapper23:15:040
22117996743,0cyclictest0-21swapper22:34:000
22117996733,0cyclictest21863-21/usr/sbin/munin20:39:520
22117996649,0cyclictest20393-21timerwakeupswit23:44:500
22117996645,0cyclictest7607-21cstates23:09:080
22117996645,0cyclictest28168-21df_abs20:59:120
22117996644,0cyclictest23273-21fw_conntrack20:44:220
22117996644,0cyclictest18600-21switchtime22:04:490
22117996634,0cyclictest32251-21awk00:19:580
22117996544,0cyclictest12787-21df23:24:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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