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2026-06-21 - 22:28
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Sun Jun 21, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6097224342192,91sleep00-21swapper07:00:460
65449911330,69cyclictest0-21swapper09:57:230
65449910517,68cyclictest17008-21apt-get10:04:510
65449910419,22cyclictest29273-21apt-get12:15:000
65449910416,66cyclictest21084-21ntp_states10:16:000
6544991039,26cyclictest1258-21ssh12:26:450
65449910216,45cyclictest19261-21memory10:10:520
65449910018,59cyclictest1784-21df09:20:120
654499999,55cyclictest13030-21ssh11:26:220
6544999917,61cyclictest29733-21users09:06:260
6544999917,60cyclictest30878-21fw_conntrack09:10:270
6544999916,64cyclictest29059-21apt-get10:39:520
6544999916,45cyclictest26199-21fw_conntrack12:05:350
6544999911,49cyclictest18896-21latency_hist11:44:370
6544999844,40cyclictest13348-21sh09:54:060
6544999831,50cyclictest0-21swapper10:24:150
6544999817,20cyclictest5196-21apt-get11:04:560
6544999815,64cyclictest3761-21df11:00:160
6544999813,65cyclictest28131-21ssh12:11:020
6544999812,67cyclictest7037-21df_inode09:35:230
6544999718,23cyclictest25957-21df_inode10:30:250
6544999716,59cyclictest20688-21ssh11:49:530
6544999716,43cyclictest23919-21ssh11:59:130
6544999714,62cyclictest25484-21munin-run10:29:330
6544999714,45cyclictest5103-21basename09:30:040
6544999714,24cyclictest3567-21munin-run12:34:320
6544999713,46cyclictest10128-21/usr/sbin/munin09:44:420
6544999629,43cyclictest31442-21ssh12:20:430
6544999626,52cyclictest0-21swapper08:55:340
6544999618,21cyclictest20543-21munin-run11:49:310
6544999616,20cyclictest10374-21apt-get11:19:520
6544999616,19cyclictest9031-21fw_conntrack11:15:290
6544999615,22cyclictest31289-21memory10:45:480
6544999612,44cyclictest3869-21ntp_states09:26:020
6544999516,22cyclictest27408-21ssh10:35:030
6544999515,59cyclictest8768-21df_inode09:40:260
6544999515,59cyclictest19644-21munin-run08:14:310
6544999515,23cyclictest15658-21df_inode10:00:280
6544999515,20cyclictest7401-21users07:05:410
6544999514,60cyclictest1761-21sshd11:35:510
6544999513,22cyclictest32744-21df10:50:140
6544999513,22cyclictest24638-21memory12:00:500
6544999416,62cyclictest32249-21apt-get09:14:550
6544999415,45cyclictest2038-21df10:55:170
6544999414,41cyclictest13905-21aten_r5power_po11:30:030
6544999412,24cyclictest6965-21ssh11:10:010
6544999315,41cyclictest26838-21munin-run08:54:320
6544999247,24cyclictest20640-21latency_hist08:19:350
6544999228,21cyclictest24835-21zcat08:40:300
6544999214,20cyclictest13006-21grep07:35:230
6544999211,44cyclictest17012-21cat07:59:350
6544999210,25cyclictest7807-21munin-node07:09:490
6544999014,25cyclictest13448-21/usr/sbin/munin07:39:510
654499898,46cyclictest22753-21if_eth008:30:130
6544998918,23cyclictest12397-21users07:30:370
6544998918,22cyclictest17938-21apt-get08:04:470
6544998911,42cyclictest20770-21grep08:19:550
6544998819,23cyclictest28175-21cat09:00:130
6544998816,24cyclictest9161-21df07:14:590
6544998815,27cyclictest21952-21memory08:25:210
6544998814,55cyclictest0-21swapper07:24:310
6544998814,25cyclictest23763-21memory08:35:210
6544998813,27cyclictest25139-21/usr/sbin/munin08:45:120
6544998718,22cyclictest14546-21df07:45:010
6544998717,35cyclictest0-21swapper07:54:310
6544998614,27cyclictest11334-21/usr/sbin/munin07:25:330
6544998614,25cyclictest17529-21ntp_states08:00:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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