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2026-04-03 - 03:34
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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 Fri Apr 03, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3799224020,13sleep03009-1kworker/u3:019:03:510
48019910534,54cyclictest29832-21aten_r5power_en21:18:480
48019910431,40cyclictest19071-21ssh23:55:010
48019910417,67cyclictest11333-21df21:58:580
48019910414,51cyclictest3610-21unixbench_singl23:10:010
48019910218,21cyclictest10273-21users21:55:020
48019910212,48cyclictest28587-21sed22:49:020
48019910119,60cyclictest30374-21fw_conntrack22:54:190
48019910117,63cyclictest24709-21munin-run22:38:170
48019910117,47cyclictest2799-21df_inode21:34:120
48019910117,44cyclictest7764-21munin-run23:23:170
48019910116,64cyclictest28860-21df_inode00:24:100
48019910111,27cyclictest31979-21/usr/sbin/munin00:33:470
48019910016,25cyclictest1250-21memory21:29:380
48019910014,25cyclictest4723-21memory21:39:390
48019910012,26cyclictest26626-21ssh00:18:100
4801999917,41cyclictest30576-21df_inode00:29:160
4801999913,64cyclictest16713-21df23:48:580
4801999913,48cyclictest25419-21wget21:03:410
4801999835,28cyclictest0-21swapper23:17:250
4801999818,43cyclictest16488-21df22:13:570
4801999817,59cyclictest21738-21df_inode22:29:100
4801999814,63cyclictest22824-21ssh00:06:190
4801999814,62cyclictest8005-21ssh21:49:160
4801999813,24cyclictest27964-21ssh22:47:220
4801999712,65cyclictest16108-21ssh22:13:170
4801999712,49cyclictest6468-21ssh21:44:410
4801999626,60cyclictest0-21swapper22:06:030
4801999616,60cyclictest8425-21memory23:24:410
4801999615,51cyclictest0-21swapper00:13:110
4801999615,44cyclictest28618-21/usr/sbin/munin21:14:480
4801999615,43cyclictest13038-21apt-get23:38:340
4801999614,62cyclictest11311-21apt-get23:33:400
4801999612,46cyclictest31711-21modprobe22:58:250
4801999611,24cyclictest12631-21wc19:53:180
4801999516,59cyclictest26530-21df21:09:000
4801999515,44cyclictest15018-21df23:44:000
4801999514,42cyclictest25238-21/usr/sbin/munin22:39:210
4801999512,23cyclictest2007-21ssh23:05:230
4801999510,50cyclictest27237-21ssh00:19:300
4801999417,57cyclictest20648-21/usr/sbin/munin23:59:530
4801999413,24cyclictest19434-21memory20:29:050
4801999413,23cyclictest32110-21/usr/sbin/munin21:24:510
4801999411,63cyclictest5124-21df_abs19:08:470
4801999314,41cyclictest19687-21apt-get22:23:340
4801999312,44cyclictest18348-21fw_conntrack22:19:170
480199918,65cyclictest7624-21fw_conntrack19:23:570
480199918,63cyclictest22633-21basename20:48:350
4801999131,40cyclictest10919-21sort19:43:210
4801999113,60cyclictest10494-21ssh23:30:010
4801999112,23cyclictest6865-21missed_timers19:19:070
4801999036,38cyclictest9427-21sshd19:33:570
480199899,59cyclictest21756-21basename20:43:360
4801998940,18cyclictest14235-21swap19:59:160
4801998917,24cyclictest13521-21munin-run19:58:170
4801998914,25cyclictest23792-21df_inode20:53:480
4801998912,24cyclictest15710-21fw_conntrack20:08:560
4801998911,54cyclictest16899-21grep20:14:160
4801998910,60cyclictest20278-21uname20:34:020
4801998824,48cyclictest8282-21aten_r5power_en19:28:370
4801998816,23cyclictest24843-21memory20:59:030
4801998816,23cyclictest17508-21df_inode20:18:490
4801998815,55cyclictest0-21swapper19:13:270
4801998812,26cyclictest20836-21/usr/sbin/munin20:38:410
4801998717,23cyclictest11140-21df19:43:430
4801998715,35cyclictest15323-21munin-run20:08:160
4801998613,25cyclictest18938-21latency_hist20:28:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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