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2026-09-19 - 12:41
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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 Sep 19, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30392224312179,59sleep00-21swapper18:55:550
311969910716,69cyclictest3801-21cat23:21:210
311969910419,45cyclictest3745-21memory21:46:270
311969910318,63cyclictest21069-21ntp_states00:11:380
311969910317,27cyclictest17446-21memory22:26:230
311969910317,25cyclictest15659-21ssh23:56:040
311969910315,46cyclictest6656-21apt-get21:55:300
311969910314,68cyclictest29177-21fw_conntrack21:26:050
311969910312,49cyclictest11862-21/usr/sbin/munin23:45:360
311969910218,22cyclictest1488-21apt-get21:40:280
311969910211,70cyclictest20095-21ssh22:34:280
31196991019,27cyclictest12644-21ls22:11:480
311969910119,44cyclictest32165-21ssh23:09:560
311969910117,63cyclictest32462-21users19:05:250
311969910117,24cyclictest23943-21df21:10:520
311969910111,25cyclictest29967-21ssh23:02:330
311969910016,64cyclictest8696-21df_inode22:00:580
311969910016,46cyclictest17537-21memory00:01:270
311969910016,23cyclictest13849-21df_inode22:15:570
311969910013,66cyclictest30796-21df21:30:520
31196999943,24cyclictest1990-21forks23:16:040
31196999919,58cyclictest8845-21fw_conntrack23:36:080
31196999917,60cyclictest23538-21munin-run21:10:100
31196999917,22cyclictest20621-21df22:35:500
31196999916,64cyclictest6753-21apt-get23:30:330
31196999914,23cyclictest32346-21cut21:35:390
31196999913,23cyclictest19336-21ntp_states00:06:390
31196999912,47cyclictest11444-21ssh23:43:390
31196999834,45cyclictest0-21swapper21:01:150
31196999817,60cyclictest25745-21df22:50:470
31196999817,45cyclictest25822-21irqstats21:16:130
31196999816,61cyclictest10604-21memory22:06:280
31196999716,45cyclictest3875-21munin-run19:30:080
31196999631,49cyclictest0-21swapper23:27:500
31196999616,58cyclictest24027-21df22:45:480
31196999612,46cyclictest32361-21ssh23:10:240
31196999611,61cyclictest20136-21ssh21:00:120
31196999610,64cyclictest28481-21ssh22:58:390
31196999516,59cyclictest13859-21df23:50:470
31196999516,58cyclictest27619-21memory21:21:290
31196999516,58cyclictest16176-21users22:22:050
31196999515,57cyclictest26813-21ssh00:28:320
31196999512,63cyclictest22495-21ssh00:15:590
31196999511,22cyclictest22303-21cstates22:40:460
31196999417,56cyclictest24101-21df00:20:490
31196999416,42cyclictest8486-21apt-get19:55:250
31196999416,39cyclictest16452-21users20:36:170
31196999412,23cyclictest18974-21grep20:51:060
31196999411,63cyclictest13021-21basename20:20:280
31196999342,34cyclictest17688-21sh20:45:370
31196999314,59cyclictest6535-21munin-run21:55:090
31196999225,50cyclictest0-21swapper19:31:000
31196999218,55cyclictest0-21swapper19:50:170
31196999214,57cyclictest10330-21wget20:05:280
31196999117,25cyclictest5645-21users19:36:240
31196999116,57cyclictest9374-21apt-get20:00:250
31196999111,59cyclictest1455-21ls19:15:340
31196999111,20cyclictest31290-21/usr/sbin/munin19:00:470
3119699909,43cyclictest2178-21/usr/sbin/munin19:20:160
31196999034,40cyclictest11228-21aten_r5power_cu20:10:270
31196999016,35cyclictest14091-21df20:25:410
31196999014,41cyclictest12091-21/usr/sbin/munin20:15:570
31196998923,34cyclictest0-21swapper19:15:070
31196998911,59cyclictest16661-21aten_r5power_po20:40:290
31196998911,56cyclictest6672-21/usr/sbin/munin19:45:590
31196998814,25cyclictest15134-21irqstats20:30:510
31196998725,19cyclictest5794-21aten_r5power_cu19:40:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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