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2026-04-01 - 17:42
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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 Apr 01, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502520,0irq/46-4a10000012635-1kworker/u3:107:04:200
130389910775,0cyclictest0-21swapper08:22:010
130389910583,0cyclictest0-21swapper08:16:170
130389910079,0cyclictest14836-21/usr/sbin/munin08:42:060
130389910078,0cyclictest0-21swapper09:01:570
13038999777,0cyclictest19826-21sed12:06:590
13038999775,0cyclictest22510-21cstates12:16:190
13038999677,0cyclictest8478-21modprobe11:36:030
13038999676,0cyclictest20873-21df_inode12:11:230
13038999578,0cyclictest31579-21/usr/sbin/munin11:06:530
13038999476,0cyclictest18454-21runrttasks07:18:440
13038999475,0cyclictest32547-21/usr/sbin/munin09:36:580
13038999475,0cyclictest19688-21/usr/sbin/munin10:31:560
13038999475,0cyclictest17835-21seq10:26:490
13038999472,0cyclictest16196-21/usr/sbin/munin07:12:140
13038999469,0cyclictest26538-21cat10:51:560
13038999461,0cyclictest0-21swapper07:46:420
13038999276,0cyclictest15771-21df_inode11:56:220
13038999272,0cyclictest484-21runrttasks08:08:200
13038999272,0cyclictest13967-21df11:51:220
13038999272,0cyclictest0-21swapper10:06:170
13038999256,0cyclictest0-21swapper08:56:500
13038999175,0cyclictest689-21meminfo08:01:470
13038999173,0cyclictest4090-21meminfo08:11:450
13038999170,0cyclictest484-21runrttasks09:19:590
13038999170,0cyclictest0-21swapper08:46:380
13038999159,0cyclictest0-21swapper07:26:510
13038999159,0cyclictest0-21swapper07:06:520
13038999158,0cyclictest0-21swapper12:01:160
13038999158,0cyclictest0-21swapper07:57:470
13038999074,0cyclictest27947-21irqstats09:21:400
13038999074,0cyclictest14703-21sed10:17:010
13038999073,0cyclictest5644-21fw_conntrack09:51:340
13038999073,0cyclictest27735-21/usr/sbin/munin10:56:250
13038999072,0cyclictest2999-21seq11:17:590
13038999072,0cyclictest29856-21/usr/sbin/munin11:01:530
13038999072,0cyclictest12568-21irqstats11:46:430
13038999068,0cyclictest498-21uniq11:11:310
13038999058,0cyclictest0-21swapper07:41:370
13038999057,0cyclictest0-21swapper09:11:400
13038998972,0cyclictest28482-21users12:32:030
13038998970,0cyclictest22372-21/usr/sbin/munin07:31:170
13038998968,0cyclictest9225-21cat11:36:430
13038998967,0cyclictest0-21swapper10:41:540
13038998967,0cyclictest0-21swapper07:51:390
13038998958,0cyclictest0-21swapper10:11:550
13038998958,0cyclictest0-21swapper07:21:440
13038998957,0cyclictest0-21swapper09:56:370
13038998874,0cyclictest9187-21seq08:26:430
13038998872,0cyclictest24126-21egrep07:36:160
13038998871,0cyclictest32430-21sendmail-msp09:36:050
13038998871,0cyclictest26010-21df_inode12:26:230
13038998870,0cyclictest24019-21/usr/sbin/munin12:21:510
13038998862,0cyclictest10626-21diskstats08:31:260
13038998856,0cyclictest0-21swapper11:21:530
13038998856,0cyclictest0-21swapper08:36:360
13038998854,0cyclictest0-21swapper08:51:450
13038998775,0cyclictest2103-21diskstats09:41:280
13038998771,0cyclictest17048-21munin-run10:26:040
13038998769,0cyclictest21049-21fw_forwarded_lo10:36:350
13038998768,0cyclictest24904-21/usr/sbin/munin10:46:590
13038998755,0cyclictest0-21swapper11:41:280
13038998668,0cyclictest9562-21runrttasks10:01:590
13038998568,0cyclictest6795-21ls11:31:030
13038998469,0cyclictest30461-21chrt09:29:150
13038998371,0cyclictest23218-21cat09:06:590
13038997956,0cyclictest12-21ksoftirqd/009:46:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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