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2025-12-08 - 13:16
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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 highest latencies:
System rack5slot7.osadl.org (updated Mon Dec 08, 2025 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22848223992209,138sleep00-21swapper17:38:110
231059911229,52cyclictest0-21swapper19:50:000
231059910435,51cyclictest0-21swapper20:22:450
231059910416,67cyclictest9984-21users21:07:000
231059910336,52cyclictest0-21swapper22:12:220
231059910214,51cyclictest23442-21ssh20:11:100
231059910211,29cyclictest17614-21ssh23:09:060
231059910134,49cyclictest0-21swapper20:04:420
231059910114,66cyclictest17879-21sshd19:55:090
231059910031,54cyclictest0-21swapper21:54:490
231059910028,64cyclictest0-21swapper22:38:190
231059910017,23cyclictest904-21df20:40:550
231059910015,64cyclictest10374-21fw_conntrack22:46:110
231059910014,43cyclictest21007-21/usr/sbin/munin21:40:470
23105999916,46cyclictest13516-21ssh22:56:070
23105999910,27cyclictest32449-21ssh20:37:220
2310599989,66cyclictest5984-21/usr/sbin/munin22:31:510
23105999833,48cyclictest0-21swapper21:37:460
23105999828,59cyclictest0-21swapper22:15:170
23105999820,58cyclictest11946-21fw_conntrack22:51:090
23105999817,61cyclictest29487-21df22:05:560
23105999817,43cyclictest3513-21ssh20:48:150
23105999814,24cyclictest22461-21/usr/sbin/munin21:45:590
23105999811,25cyclictest13888-21ssh21:19:460
2310599979,25cyclictest5106-21ssh20:52:430
2310599978,70cyclictest29936-21ssh20:30:480
23105999728,21cyclictest28111-21ssh20:25:340
23105999717,61cyclictest11119-21fw_conntrack21:11:090
23105999717,60cyclictest0-21swapper17:55:140
23105999717,58cyclictest8836-21irqstats22:41:130
23105999712,65cyclictest14372-21ssh21:20:590
23105999712,61cyclictest25253-21ssh20:16:260
23105999710,64cyclictest29188-21latency_hist22:05:170
23105999626,60cyclictest0-21swapper19:30:400
23105999616,60cyclictest16027-21df21:25:530
23105999615,21cyclictest15272-21memory23:01:180
23105999614,61cyclictest21405-21ssh20:05:370
23105999611,63cyclictest7462-21aten_r5power_en21:00:430
23105999611,23cyclictest18060-21ssh19:55:390
23105999516,60cyclictest6059-21df_inode20:56:060
23105999513,62cyclictest4110-21ssh22:26:410
23105999513,62cyclictest301-21grep18:30:320
2310599949,26cyclictest17836-21ssh21:31:130
23105999442,35cyclictest2051-21cstates22:20:500
23105999417,57cyclictest26388-21memory21:56:300
23105999412,60cyclictest1850-21ls18:36:150
23105999412,43cyclictest29686-21processes18:11:100
23105999410,23cyclictest27087-21sort17:56:150
23105999329,45cyclictest30864-21latency_hist18:20:130
23105999318,56cyclictest5602-21munin-run19:00:110
23105999311,28cyclictest6549-21ls19:05:140
23105999310,64cyclictest13242-21df_abs19:41:000
23105999218,24cyclictest9597-21fw_conntrack19:20:520
23105999214,62cyclictest0-21swapper18:06:120
2310599919,38cyclictest2881-21debian-sa118:45:100
23105999112,59cyclictest8412-21/usr/sbin/munin19:16:140
23105999018,24cyclictest27523-21df18:00:450
23105998917,27cyclictest4667-21users18:51:220
23105998917,25cyclictest24438-21df17:45:360
23105998912,20cyclictest7500-21sort19:10:150
23105998911,54cyclictest3465-21ntpq18:46:100
23105998840,29cyclictest7799-21forks19:10:510
23105998818,23cyclictest31328-21memory18:21:030
23105998811,30cyclictest10543-21interrupts19:25:540
23105998716,23cyclictest32095-21df_inode18:25:470
23105998711,27cyclictest23206-21sshd17:40:250
23105998710,28cyclictest12744-21awk19:36:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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