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2026-07-04 - 13:42
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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 Sat Jul 04, 2026 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4695224362172,59sleep00-21swapper19:00:240
51169910628,64cyclictest0-21swapper22:23:310
51169910317,23cyclictest30662-21df00:24:360
51169910316,45cyclictest18509-21df22:14:370
51169910113,25cyclictest29833-21ssh00:21:400
51169910045,37cyclictest1625-21sh21:25:190
51169910017,61cyclictest28644-21df_inode21:09:430
51169910015,24cyclictest634-21ssh00:30:540
51169910011,67cyclictest11565-21ssh23:29:170
5116999930,51cyclictest0-21swapper23:58:350
5116999917,43cyclictest6152-21munin-node19:09:000
5116999916,61cyclictest25689-21irqstats00:10:020
5116999916,44cyclictest28413-21munin-run22:43:550
5116999916,44cyclictest27046-21irqstats21:05:110
5116999817,60cyclictest8259-21df_inode21:44:460
5116999816,45cyclictest16561-21munin-run23:43:540
5116999816,23cyclictest23720-21df_inode22:29:460
5116999811,66cyclictest9988-21ssh21:49:480
5116999811,50cyclictest23528-21/usr/sbin/munin00:05:200
5116999811,27cyclictest18403-21ssh23:49:110
5116999810,28cyclictest4519-21ssh21:34:200
5116999717,63cyclictest31768-21apt-get21:19:100
5116999715,49cyclictest0-21swapper23:14:570
5116999715,46cyclictest3212-21irqstats21:30:060
5116999713,63cyclictest18277-21cat23:48:570
5116999712,25cyclictest9497-21ssh23:22:510
5116999712,24cyclictest30320-21df21:14:380
5116999710,67cyclictest17818-21ssh22:12:310
5116999619,61cyclictest0-21swapper23:37:280
5116999616,21cyclictest22083-21df23:59:330
511699959,25cyclictest15898-21ssh22:06:310
5116999518,59cyclictest25483-21fw_conntrack22:34:540
5116999514,62cyclictest4937-21df23:09:370
5116999514,44cyclictest12820-21ssh21:58:160
5116999514,20cyclictest32227-21df22:54:340
5116999417,23cyclictest22007-21df_inode22:24:460
5116999415,40cyclictest1688-21irqstats23:00:050
5116999414,42cyclictest30621-21ssh22:49:510
5116999413,60cyclictest26972-21/usr/sbin/munin00:14:490
5116999412,22cyclictest3400-21ssh23:05:020
5116999411,63cyclictest14077-21ssh22:00:560
5116999411,26cyclictest20983-21unixbench_singl20:29:580
5116999315,40cyclictest28910-21fw_conntrack22:44:510
5116999314,59cyclictest11312-21ssh23:28:240
5116999314,58cyclictest17042-21memory20:09:430
5116999216,25cyclictest15323-21ntp_states19:59:480
5116999131,39cyclictest6870-21wc19:14:180
5116999111,57cyclictest11241-21latency_hist19:38:580
5116999111,24cyclictest20091-21unixbench_singl20:25:000
511699909,63cyclictest21961-21latency_hist20:38:550
5116999018,26cyclictest16141-21/usr/sbin/munin20:04:410
5116999018,24cyclictest10256-21wc19:33:560
5116999015,58cyclictest6203-21apt-get21:39:180
5116999013,41cyclictest25648-21/usr/sbin/munin20:59:350
5116998916,55cyclictest24638-21munin-run20:53:560
5116998916,25cyclictest14215-21df_inode19:54:270
5116998911,60cyclictest22363-21sshd20:39:350
5116998816,24cyclictest7830-21/usr/sbin/munin19:19:190
5116998816,23cyclictest12342-21df19:44:200
5116998813,25cyclictest11262-21aten_r5power_cu19:39:130
5116998810,44cyclictest17554-21/usr/sbin/munin20:14:480
5116998733,38cyclictest0-21swapper19:24:210
5116998715,24cyclictest23229-21fw_conntrack20:44:320
5116998618,20cyclictest13323-21fw_conntrack19:49:310
5116998616,50cyclictest6504-21users19:09:200
5116998613,53cyclictest24961-21df20:54:230
5116998512,27cyclictest18454-21/usr/sbin/munin20:19:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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