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2026-09-03 - 03:10
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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 792 highest latencies:
System rack4slot2.osadl.org (updated Thu Sep 03, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502760,0irq/45-4a10000024345-1kworker/u3:119:05:290
261249912843,0cyclictest2786-21/usr/sbin/munin19:35:560
261249912755,0cyclictest7350irq/45-4a10000019:42:200
261249912738,0cyclictest23010-21/usr/sbin/munin20:35:400
261249912350,0cyclictest7350irq/45-4a10000000:00:420
261249912235,0cyclictest19620-21memory20:25:490
261249912132,0cyclictest8201-21runrttasks19:51:370
261249912131,0cyclictest2966-21sshd22:46:150
261249912040,0cyclictest0-21swapper22:58:010
261249912035,0cyclictest13714-21sendmail-msp23:24:530
261249912033,0cyclictest5401-21sshd21:20:160
261249912030,0cyclictest10627-21grep23:10:230
261249911950,0cyclictest7350irq/45-4a10000023:35:360
261249911949,0cyclictest7350irq/45-4a10000019:46:120
261249911942,0cyclictest7350irq/45-4a10000023:05:480
261249911941,0cyclictest1900-21munin-node21:10:100
261249911939,0cyclictest27167-21runrttasks22:23:230
261249911938,0cyclictest0-21swapper21:44:330
261249911934,0cyclictest13353-21runrttasks20:06:490
261249911933,0cyclictest24867-21ntpq20:41:080
261249911932,0cyclictest20540-21sendmail-msp23:41:000
261249911931,0cyclictest23559-21runrttasks23:47:040
261249911930,0cyclictest9308-21/usr/sbin/munin19:55:380
261249911929,0cyclictest17118-21chrt23:30:020
261249911845,0cyclictest7350irq/45-4a10000020:25:010
261249911841,0cyclictest0-21swapper20:00:170
261249911839,0cyclictest922-21/usr/sbin/munin19:30:490
261249911837,0cyclictest18864-21sendmail-msp22:00:170
261249911831,0cyclictest26984-21/usr/sbin/munin19:10:500
261249911830,0cyclictest26188-21tune2fs20:45:280
261249911734,0cyclictest8115-21uptime21:26:110
261249911734,0cyclictest6882-21sendmail-msp23:01:080
261249911732,0cyclictest8336-21runrttasks00:38:310
261249911711,0cyclictest3656-21aten_r4power_vo00:25:150
261249911650,0cyclictest7350irq/45-4a10000000:20:340
261249911639,0cyclictest0-21swapper22:41:460
261249911636,0cyclictest11615-21runrttasks21:36:490
261249911632,0cyclictest30053-21mailstats22:30:550
261249911631,0cyclictest25273-21runrttasks22:16:580
261249911630,0cyclictest4543-21ls21:16:000
261249911630,0cyclictest14701-21sendmail_mailst21:46:050
261249911629,0cyclictest32046-21seq22:36:270
261249911629,0cyclictest1269-21awk21:06:090
26124991159,0cyclictest27928-21munin-node19:15:090
261249911540,0cyclictest0-21swapper21:58:290
261249911538,0cyclictest0-21swapper20:52:110
261249911535,0cyclictest17442-21sh23:30:180
261249911532,0cyclictest32440-21runrttasks21:04:250
261249911531,0cyclictest25694-21sendmail-msp22:26:060
261249911529,0cyclictest6343-21runrttasks00:31:080
26124991149,0cyclictest30880-21/usr/sbin/munin00:10:100
261249911449,0cyclictest7350irq/45-4a10000023:50:230
261249911430,0cyclictest29165-21sendmail-msp19:20:150
261249911430,0cyclictest16922-21runrttasks20:18:090
261249911429,0cyclictest31690-21/usr/sbin/munin19:25:560
261249911330,0cyclictest13527-21seq23:18:510
261249911327,0cyclictest30129-21chrt00:06:130
26124991129,0cyclictest21360-21chrt22:05:560
261249911231,0cyclictest3849-21df_abs22:50:190
261249911228,0cyclictest29699-21/usr/sbin/munin20:55:310
261249911227,0cyclictest9856-21runrttasks21:31:210
261249911148,0cyclictest0-21swapper20:10:510
261249911142,0cyclictest26926-21runrttasks23:56:450
261249911128,0cyclictest15888-21forks21:50:300
261249911128,0cyclictest13406-1kworker/u3:222:11:230
261249911125,0cyclictest732-21meminfo00:15:420
261249911125,0cyclictest21520-21find20:30:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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