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2026-08-03 - 05:36
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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 100 highest latencies:
System rack4slot2.osadl.org (updated Mon Aug 03, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502110,0irq/45-4a10000026330-21kworker/0:419:05:240
294659913050,0cyclictest7350irq/45-4a10000022:39:060
294659913043,0cyclictest30850-21/usr/sbin/munin22:19:170
294659912945,0cyclictest30193-21/usr/sbin/munin19:09:040
294659912741,0cyclictest22237-21/usr/sbin/munin20:19:020
294659912644,0cyclictest1747-21/usr/sbin/munin22:29:120
294659912635,0cyclictest11891-21chrt22:59:020
294659912633,0cyclictest32466-21chrt20:48:590
294659912334,0cyclictest14658-21sendmail-msp19:58:120
294659912237,0cyclictest0-21swapper21:03:560
294659912151,0cyclictest7350irq/45-4a10000000:19:060
294659912138,0cyclictest870-21latency_hist00:03:110
294659912134,0cyclictest31767-21cat20:48:100
294659912133,0cyclictest11900-21ntp_states00:34:050
294659912126,0cyclictest15071-21seq19:58:320
294659912045,0cyclictest6673-21/usr/sbin/munin21:08:460
294659912039,0cyclictest2197-21uptime19:19:190
294659912038,0cyclictest32320-21fschecks_time19:14:080
294659912034,0cyclictest10189-21/usr/sbin/munin19:43:510
294659912033,0cyclictest5734-21runrttasks19:30:150
294659912030,0cyclictest28812-21runrttasks20:38:380
294659912030,0cyclictest17383-21sensors20:04:140
294659912027,0cyclictest24157-21/usr/sbin/munin20:24:080
294659911939,0cyclictest19893-21aten_r4power_en21:48:180
294659911937,0cyclictest25738-21/usr/sbin/munin22:04:180
294659911932,0cyclictest20345-21fw_forwarded_lo20:13:450
294659911930,0cyclictest23720-21fschecks_time21:58:470
294659911928,0cyclictest29602-21runrttasks22:15:180
294659911927,0cyclictest8619-21/usr/sbin/munin19:39:060
294659911926,0cyclictest27031-21chrt20:33:330
294659911830,0cyclictest18649-21fw_packets20:08:490
294659911830,0cyclictest12429-21users19:49:150
294659911740,0cyclictest0-21swapper19:23:570
294659911738,0cyclictest26487-21modprobe23:43:080
294659911733,0cyclictest1653-21sed20:53:570
294659911732,0cyclictest28093-21chrt22:12:050
294659911727,0cyclictest12722-21runrttasks21:26:430
294659911724,0cyclictest14851-21/usr/sbin/munin23:08:240
294659911631,0cyclictest14501-21runrttasks23:07:560
294659911631,0cyclictest10771-21sshd00:30:590
294659911626,0cyclictest7530-21runrttasks19:36:020
294659911625,0cyclictest29139-21zcat23:49:190
294659911540,0cyclictest10565-21sensors21:19:210
294659911538,0cyclictest7902-21aten_r4power_vo00:23:230
294659911533,0cyclictest10791-21seq22:55:280
294659911531,0cyclictest26041-21/usr/sbin/munin20:29:150
294659911526,0cyclictest27899-21sshd23:46:000
294659911512,0cyclictest17009-21memory23:14:070
294659911511,0cyclictest8284-21grep21:13:420
294659911436,0cyclictest18542-21fschecks_time23:18:510
294659911435,0cyclictest19724-21munin-run21:48:070
294659911429,0cyclictest7616-21runrttasks22:47:200
294659911415,0cyclictest8156-21diskstats22:48:330
294659911414,0cyclictest22136-21sshd21:54:000
294659911410,0cyclictest2953-21df22:33:300
294659911335,0cyclictest3277-21sshd00:09:000
294659911329,0cyclictest17839-21runrttasks21:41:430
294659911327,0cyclictest3350-21irqstats20:58:540
294659911242,0cyclictest0-21swapper23:28:580
294659911226,0cyclictest15577-21rt-features21:34:140
294659911222,0cyclictest13716-21/usr/sbin/munin21:29:100
294659911220,0cyclictest31797-21/usr/sbin/munin22:23:180
294659911216,0cyclictest23505-21diskstats23:33:370
294659911132,0cyclictest4666-21/usr/sbin/munin00:13:320
294659911130,0cyclictest30216-21df23:53:270
294659911125,0cyclictest1591-21chrt00:04:030
29465991109,0cyclictest20003-21df23:23:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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