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2026-08-17 - 11:26
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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 all highest latencies:
System rack4slot2.osadl.org (updated Mon Aug 17, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502020,0irq/46-4a10000028137-21runrttasks19:08:440
282959913041,0cyclictest19031-21/usr/sbin/munin21:50:020
282959912336,0cyclictest14988-21sshd20:03:040
282959912241,0cyclictest6262-21runrttasks00:22:030
282959912138,0cyclictest11517-21runrttasks23:03:000
282959912038,0cyclictest10767-21/usr/sbin/munin00:35:240
282959912036,0cyclictest22023-21sendmail-msp21:59:510
282959912035,0cyclictest2349-21ntp_kernel_pll_19:25:270
282959912034,0cyclictest29452-21/usr/sbin/munin20:45:100
282959911932,0cyclictest32314-21sendmail-msp19:19:420
282959911838,0cyclictest20870-21/usr/sbin/munin21:55:060
282959911837,0cyclictest0-21swapper23:44:030
282959911836,0cyclictest25703-21expr23:44:500
282959911834,0cyclictest5422-21/usr/sbin/munin19:35:010
282959911831,0cyclictest17563-21cut23:20:250
282959911829,0cyclictest7637-21/usr/sbin/munin00:25:380
282959911828,0cyclictest17292-21chrt20:09:560
282959911742,0cyclictest0-21swapper23:08:440
282959911740,0cyclictest18498-21runrttasks21:49:000
282959911732,0cyclictest7925-21runrttasks19:41:040
282959911732,0cyclictest30982-21chrt00:00:060
282959911731,0cyclictest27750-21fw_forwarded_lo20:40:170
282959911730,0cyclictest4573-21runrttasks19:31:410
282959911730,0cyclictest26783-21chrt20:36:460
282959911729,0cyclictest2598-21chrt00:10:400
282959911726,0cyclictest29276-21runrttasks22:20:010
282959911711,0cyclictest11891-21/usr/sbin/munin21:29:480
282959911639,0cyclictest0-21swapper22:39:570
282959911638,0cyclictest5067-21aten_r4power_cu22:44:480
282959911632,0cyclictest9501-21timerwakeupswit21:20:490
282959911632,0cyclictest454-21snmpd20:25:490
282959911629,0cyclictest3569-21df21:04:550
282959911629,0cyclictest30396-21runrttasks23:58:430
282959911625,0cyclictest32730-21sshd22:30:040
282959911624,0cyclictest32736-21sshd19:20:040
282959911549,0cyclictest7350irq/45-4a10000020:15:420
282959911540,0cyclictest0-21swapper21:36:160
282959911531,0cyclictest13757-21expr23:09:540
282959911530,0cyclictest7461-21ntp_states21:15:260
282959911530,0cyclictest23961-21egrep22:04:510
282959911528,0cyclictest15785-21/usr/sbin/munin20:05:090
282959911526,0cyclictest9283-21which00:30:390
282959911524,0cyclictest4631-21runrttasks00:17:420
282959911513,0cyclictest19373-21ntp_kernel_pll_23:25:270
282959911449,0cyclictest0-21swapper21:11:060
282959911442,0cyclictest12-21ksoftirqd/022:55:210
282959911437,0cyclictest0-21swapper21:42:480
282959911428,0cyclictest1925-21/usr/sbin/munin21:00:000
282959911427,0cyclictest31450-21ps20:50:280
282959911424,0cyclictest1541-21sendmail-msp20:59:390
282959911423,0cyclictest29564-21runrttasks19:11:150
282959911413,0cyclictest28626-21sshd22:18:040
282959911411,0cyclictest12797-21sensors_temp19:55:360
282959911410,0cyclictest27689-21/usr/sbin/munin23:50:120
282959911327,0cyclictest10069-21latency_hist19:49:370
282959911326,0cyclictest9107-1kworker/u3:119:50:050
282959911325,0cyclictest15655-21/usr/sbin/munin23:15:050
282959911235,0cyclictest26395-21sendmail_mailtr22:10:320
282959911234,0cyclictest10422-21df_abs21:24:580
282959911230,0cyclictest629-21/usr/sbin/munin00:05:300
282959911229,0cyclictest20926-21fw_forwarded_lo20:20:180
282959911226,0cyclictest1209-1kworker/u3:122:36:150
282959911215,0cyclictest21002-21meminfo23:30:200
28295991119,0cyclictest31009-21forks22:25:040
282959911134,0cyclictest23822-21latency_hist20:29:400
282959911133,0cyclictest23180-21users23:35:410
282959910913,0cyclictest7193-21fw_forwarded_lo22:50:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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