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2025-12-05 - 03:49
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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 Fri Dec 05, 2025 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6240223982161,184sleep00-21swapper17:36:560
66489910830,46cyclictest0-21swapper21:07:220
66489910731,44cyclictest0-21swapper22:00:300
66489910719,23cyclictest32016-21ssh21:29:060
66489910332,54cyclictest0-21swapper19:53:000
66489910314,67cyclictest8489-21fw_conntrack21:56:130
66489910237,19cyclictest22902-21latency_hist22:40:250
66489910232,25cyclictest0-21swapper20:44:020
66489910216,53cyclictest0-21swapper21:04:060
66489910213,69cyclictest19613-21fw_conntrack20:51:170
66489910131,51cyclictest0-21swapper17:45:290
66489910124,68cyclictest0-21swapper20:29:470
66489910112,72cyclictest0-21swapper19:45:100
66489910110,69cyclictest26662-21timerwakeupswit21:12:000
66489910031,38cyclictest0-21swapper20:02:360
66489910017,37cyclictest29544-21df23:01:000
66489910016,66cyclictest31384-21memory23:06:360
66489910016,23cyclictest3662-21irqstats21:41:290
66489910016,23cyclictest1863-21df21:36:070
66489910015,24cyclictest13540-21users20:32:130
66489910014,47cyclictest20856-21/usr/sbin/munin20:56:230
66489910013,67cyclictest15044-21grep18:26:160
66489910010,28cyclictest18083-21/usr/sbin/munin22:25:500
6648999918,60cyclictest29349-21df21:21:000
6648999918,23cyclictest30431-21ntp_states19:46:460
6648999917,44cyclictest25048-21irqstats22:46:290
6648999915,52cyclictest0-21swapper22:44:560
6648999915,43cyclictest27902-21irqstats21:16:300
6648999914,45cyclictest7708-21sshd21:53:450
6648999913,45cyclictest18179-21ntp_states20:46:450
6648999910,49cyclictest26515-21ssh22:51:050
6648999816,66cyclictest0-21swapper19:57:180
6648999814,63cyclictest4387-21df20:05:580
6648999812,27cyclictest17116-21wc22:21:530
6648999811,65cyclictest11916-21ssh22:06:330
6648999726,54cyclictest0-21swapper22:55:540
6648999725,55cyclictest0-21swapper18:25:200
6648999717,60cyclictest7538-21apt-get20:15:490
6648999713,48cyclictest4901-21ssh21:45:480
6648999712,63cyclictest19904-21rm22:30:570
6648999712,46cyclictest953-21ssh21:32:420
6648999618,57cyclictest14720-21irqstats20:36:310
6648999616,43cyclictest15093-21fw_conntrack22:16:190
6648999517,49cyclictest0-21swapper22:12:390
6648999515,42cyclictest6268-21irqstats20:11:260
664899949,43cyclictest22524-21grep19:06:260
6648999415,40cyclictest9538-21df_inode20:21:100
6648999410,62cyclictest16499-21basename18:35:440
6648999410,27cyclictest20536-21proc_pri18:56:270
6648999212,22cyclictest15952-21tr18:31:170
6648999211,41cyclictest27906-21ls19:36:260
6648999210,60cyclictest24611-21cut19:20:460
6648999115,28cyclictest25685-21/usr/sbin/munin19:25:570
6648999114,60cyclictest0-21swapper18:14:180
6648999113,24cyclictest7626-21munin-node17:45:220
6648999015,25cyclictest18274-21/usr/sbin/munin18:45:420
6648999014,56cyclictest11247-21df_inode18:05:530
6648999014,23cyclictest9528-21irqstats17:56:040
6648999011,61cyclictest19544-21sort18:51:110
664899899,45cyclictest13408-21sort18:16:220
6648998919,50cyclictest23618-21apt-get19:15:340
6648998917,24cyclictest17557-21df_inode18:40:550
664899889,60cyclictest10107-21grep18:00:390
6648998816,24cyclictest23006-21fw_conntrack19:10:590
6648998716,24cyclictest21093-21cat19:00:530
6648998710,57cyclictest8345-21grep17:50:400
664899869,54cyclictest26323-21apt19:30:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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