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2025-12-03 - 21:14
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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 50 highest latencies:
System rack5slot7.osadl.org (updated Wed Dec 03, 2025 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21875225500,11sleep014420-1kworker/u3:205:37:150
222519910511,72cyclictest5131-21sshd10:45:550
222519910329,62cyclictest0-21swapper08:34:450
222519910244,39cyclictest8328-21timerandwakeup09:11:590
222519910218,65cyclictest1664-21memory08:51:390
222519910214,24cyclictest32496-21/usr/sbin/munin08:46:130
222519910210,68cyclictest17074-21ssh09:40:310
222519910115,47cyclictest20291-21apt-get09:50:410
222519910113,49cyclictest11167-21ssh09:21:290
222519910113,26cyclictest13950-21df07:46:100
222519910036,46cyclictest0-21swapper09:20:140
222519910019,60cyclictest17207-21fw_conntrack07:56:180
222519910018,21cyclictest6343-21irqstats09:06:310
222519910017,46cyclictest3652-21users08:57:030
222519910013,67cyclictest25595-21grep05:55:450
2225199999,54cyclictest32339-21ssh10:28:510
22251999917,45cyclictest14153-21df09:31:070
22251999916,62cyclictest26647-21apt-get10:10:400
22251999916,49cyclictest0-21swapper10:31:360
22251999913,46cyclictest4865-21ssh09:01:540
22251999913,22cyclictest10711-21ssh11:02:410
22251999912,65cyclictest3928-21latency_hist06:55:270
22251999910,67cyclictest2203-21cat10:36:200
22251999832,48cyclictest0-21swapper09:49:010
22251999816,62cyclictest12811-21memory09:26:370
22251999815,63cyclictest24687-21fw_conntrack08:21:200
22251999815,44cyclictest32041-21munin-run08:45:240
22251999812,65cyclictest4103-21grep10:41:550
22251999811,66cyclictest23042-21ssh08:16:000
22251999811,48cyclictest29891-21cat08:37:100
22251999810,48cyclictest28254-21basename10:15:510
2225199978,67cyclictest27428-21sendmail08:30:230
22251999716,42cyclictest31079-21munin-run10:25:240
22251999715,46cyclictest20834-21users08:07:040
22251999714,21cyclictest25409-21fw_conntrack10:06:250
22251999712,64cyclictest7304-21ssh10:51:540
2225199968,67cyclictest15688-21ssh07:51:250
22251999626,54cyclictest0-21swapper10:02:510
22251999624,51cyclictest0-21swapper07:40:310
22251999615,60cyclictest23773-21tr05:46:080
22251999614,45cyclictest9389-21ssh10:59:120
22251999612,66cyclictest18405-21apt-get08:00:410
22251999516,57cyclictest2525-21memory06:46:120
22251999516,43cyclictest11658-21fw_conntrack11:06:220
22251999515,61cyclictest15504-21apt-get09:35:460
22251999514,21cyclictest12424-21df_inode07:41:180
2225199949,47cyclictest32665-21cron06:35:230
22251999417,54cyclictest23243-21munin-node05:45:320
22251999412,21cyclictest25467-21modprobe05:55:230
22251999411,63cyclictest22512-21ssh09:56:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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