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2026-09-13 - 10:53
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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 376 highest latencies:
System rack5slot7.osadl.org (updated Sun Sep 13, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8997224092173,183sleep00-21swapper18:56:570
94119913350,37cyclictest31648-21memory22:36:490
94119913052,35cyclictest2271-21apt-get00:20:480
94119912952,51cyclictest10678-21apt-get23:10:440
94119912448,51cyclictest1916-21apt-get21:10:440
94119912357,44cyclictest547-21ssh00:15:440
94119912347,52cyclictest5343-21/usr/sbin/munin21:21:350
94119912242,37cyclictest407-21munin-run00:15:270
94119912145,34cyclictest12208-21apt-get21:40:470
94119912046,49cyclictest7497-21df23:01:080
94119912045,32cyclictest24238-21apt-get22:15:420
94119911951,31cyclictest6130-21ssh22:56:530
94119911948,48cyclictest22687-21apt-get23:45:470
94119911947,49cyclictest26126-21apt-get23:55:460
94119911947,46cyclictest4082-21df22:51:100
94119911856,37cyclictest17368-21apt-get21:55:450
94119911846,36cyclictest29046-21ssh00:03:350
94119911845,50cyclictest16495-21cut19:40:470
94119911845,34cyclictest12394-21/usr/sbin/munin23:16:000
94119911844,32cyclictest19268-21apt-get23:35:460
94119911841,36cyclictest7079-21ssh21:25:460
94119911840,51cyclictest14107-21apt-get23:20:420
94119911752,47cyclictest23761-21aten_r5power_vo20:20:490
94119911746,50cyclictest11948-21apt-get19:15:440
94119911745,49cyclictest3974-21apt-get00:25:440
94119911744,31cyclictest21239-21df23:41:100
94119911743,51cyclictest13923-21apt-get21:45:470
94119911648,29cyclictest1968-21munin-run22:45:280
94119911646,47cyclictest8950-21apt-get23:05:450
94119911645,48cyclictest27150-21munin-run20:40:250
94119911644,33cyclictest31163-21df21:01:110
94119911545,48cyclictest2628-21memory22:46:480
94119911543,30cyclictest4005-21fw_conntrack21:16:250
94119911540,51cyclictest29683-21aten_r5power_vo00:06:000
94119911535,39cyclictest9160-21ssh21:31:250
94119911446,49cyclictest21027-21basename20:05:490
94119911446,45cyclictest24417-21apt-get23:50:470
94119911444,45cyclictest21176-21fw_conntrack22:06:270
94119911443,50cyclictest27660-21/usr/sbin/munin22:26:420
94119911443,49cyclictest17239-21ssh23:29:340
94119911441,48cyclictest18085-21memory23:31:460
94119911439,52cyclictest22516-21/usr/sbin/munin22:11:400
94119911342,31cyclictest11049-21apt-get19:10:390
94119911341,49cyclictest16192-21memory21:51:480
94119911340,50cyclictest20172-21ssh22:02:580
94119911340,49cyclictest29841-21irqstats22:31:380
94119911243,46cyclictest17676-21irqstats19:46:140
94119911242,49cyclictest32616-21apt-get21:05:440
94119911239,50cyclictest10474-21munin-node19:05:330
94119911239,34cyclictest27184-21ssh22:23:420
94119911151,37cyclictest20037-21apt-get20:00:400
94119911141,49cyclictest27333-21cut20:40:480
94119911139,49cyclictest10504-21apt-get21:35:460
94119911135,52cyclictest18280-21tr19:50:430
94119911039,50cyclictest15839-21fw_conntrack19:36:050
94119911039,48cyclictest25345-21munin-run20:30:250
94119911033,54cyclictest12835-21/usr/sbin/munin19:20:350
94119910940,47cyclictest9833-21if_eth019:01:080
94119910938,32cyclictest30469-21/usr/sbin/munin20:56:230
94119910937,48cyclictest29278-21df20:50:570
94119910847,35cyclictest13735-21apt-get19:25:390
94119910835,33cyclictest28178-21/usr/sbin/munin20:45:460
94119910750,33cyclictest19148-21apt-get19:55:410
94119910661,25cyclictest22982-21df_abs20:15:570
94119910647,36cyclictest25459-21apt-get20:30:380
94119910636,49cyclictest14920-21df_inode19:31:000
94119910633,49cyclictest22690-21sort20:15:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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