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2026-05-27 - 04:51
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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 Wed May 27, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31090224452205,91sleep00-21swapper19:04:530
312189910417,66cyclictest19462-21irqstats00:11:580
312189910220,60cyclictest24332-21fw_conntrack22:51:450
312189910215,67cyclictest5997-21users21:57:350
312189910118,62cyclictest19154-21df_inode22:36:360
312189910117,63cyclictest24546-21fw_conntrack00:26:490
312189910114,51cyclictest22441-21/usr/sbin/munin00:21:190
312189910110,70cyclictest8717-21/usr/sbin/munin23:41:590
312189910017,64cyclictest17174-21/usr/sbin/munin00:05:480
312189910017,46cyclictest26213-21memory22:57:030
312189910016,63cyclictest3899-21munin-run19:35:450
312189910011,66cyclictest1674-21hostname21:46:160
31218999917,44cyclictest21274-21memory00:17:060
31218999915,22cyclictest17438-21df_inode22:31:410
31218999914,63cyclictest20763-21ssh22:41:220
31218999913,66cyclictest2328-21ssh23:21:590
31218999912,25cyclictest24098-21df_inode21:16:480
31218999910,29cyclictest31511-21ssh21:37:300
31218999816,61cyclictest12496-21memory22:17:130
31218999815,64cyclictest29118-21apt-get23:06:060
31218999815,62cyclictest14325-21irqstats23:56:540
31218999814,45cyclictest15621-21df22:26:240
31218999814,44cyclictest13846-21sed23:55:520
31218999812,46cyclictest18311-21cat20:55:440
31218999811,48cyclictest27042-21ssh00:33:390
31218999811,25cyclictest22239-21apt-get22:46:050
31218999728,53cyclictest23588-21sendmail21:15:440
31218999718,61cyclictest27437-21ssh23:01:100
31218999717,59cyclictest17730-21irqstats00:06:520
31218999715,44cyclictest10650-21/usr/sbin/munin22:11:550
31218999714,24cyclictest8710-21ssh22:06:230
31218999618,58cyclictest10878-21irqstats23:46:530
31218999616,60cyclictest11112-21munin-run20:15:450
31218999616,44cyclictest20801-21memory21:07:100
31218999615,61cyclictest5616-21df_inode23:31:340
31218999615,42cyclictest6997-21/usr/sbin/munin22:01:210
31218999614,63cyclictest5731-21wc19:45:460
31218999614,23cyclictest15116-21fw_conntrack20:36:220
31218999614,22cyclictest25816-21fw_conntrack21:21:430
31218999613,45cyclictest8563-21ssh23:40:360
31218999611,66cyclictest27182-21ssh21:26:110
31218999610,26cyclictest32352-21ssh23:15:210
31218999610,22cyclictest30137-21ssh21:34:100
31218999512,63cyclictest13897-21cstates22:21:230
31218999511,25cyclictest968-21ssh21:43:180
31218999510,48cyclictest4872-21ssh23:29:220
31218999415,42cyclictest1724-21/usr/sbin/munin23:20:470
31218999413,63cyclictest14713-21munin-run20:35:440
31218999412,61cyclictest3438-21basename21:51:170
3121899928,46cyclictest17475-21latency_hist20:50:470
31218999211,61cyclictest31352-21basename19:06:050
31218999113,58cyclictest7999-21/usr/sbin/munin19:56:310
31218998935,38cyclictest1355-21cut19:21:050
31218998918,24cyclictest6142-21irqstats19:46:280
31218998916,40cyclictest0-21swapper20:41:460
31218998910,20cyclictest12074-21sort20:20:470
31218998815,35cyclictest8785-21df_inode20:01:180
31218998717,49cyclictest19328-21apt-get21:01:010
31218998717,23cyclictest18835-21memory20:56:420
31218998717,22cyclictest2409-21df19:26:120
31218998717,22cyclictest12532-21memory20:21:380
31218998715,23cyclictest864-21ntp_states19:16:410
31218998712,52cyclictest9426-21basename20:06:040
3121899869,57cyclictest7510-21tr19:55:440
31218998613,24cyclictest4466-21ntpq19:36:370
31218998610,28cyclictest32611-21grep19:11:080
31218998516,22cyclictest13224-21df20:26:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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