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2026-06-16 - 22:37
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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 Tue Jun 16, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7150224360,13sleep0520-1kworker/u3:007:00:070
83499910430,58cyclictest0-21swapper10:04:580
83499910414,27cyclictest31509-21ssh12:18:000
83499910318,44cyclictest1312-21df10:50:290
83499910316,64cyclictest8724-21grep11:11:250
83499910233,51cyclictest0-21swapper11:29:260
83499910120,44cyclictest30527-21irqstats10:40:590
83499910118,63cyclictest686-21munin-run09:14:470
83499910017,63cyclictest23819-21ntp_states10:21:140
83499910017,25cyclictest1179-21ssh12:24:530
83499910016,23cyclictest17612-21ssh11:37:130
83499910015,52cyclictest0-21swapper11:14:540
83499910014,65cyclictest6257-21df09:30:280
83499910010,67cyclictest1209-21ssh09:15:450
8349999916,62cyclictest19956-21apt-get11:45:030
8349999916,23cyclictest3181-21ntp_states09:21:140
8349999913,48cyclictest9611-21ssh09:40:200
8349999817,40cyclictest18353-21df_inode08:00:210
8349999816,62cyclictest3422-21irqstats12:30:580
8349999815,47cyclictest28922-21ssh12:10:470
8349999812,25cyclictest15214-21ntpq09:56:140
8349999717,61cyclictest21484-21apt-get10:15:080
8349999716,62cyclictest29805-21apt-get09:05:120
8349999714,61cyclictest28986-21ntp_states10:36:180
8349999713,63cyclictest6590-21fw_conntrack11:05:470
8349999713,26cyclictest11391-21ssh11:20:000
8349999712,63cyclictest11623-21uname09:46:000
8349999712,62cyclictest26789-21egrep10:30:210
8349999712,46cyclictest23477-21apt-get08:30:050
8349999712,26cyclictest22486-21latency_hist08:24:470
8349999711,25cyclictest12944-21wget09:50:160
8349999710,67cyclictest26384-21ssh10:29:130
8349999710,65cyclictest26359-21ssh12:03:030
834999969,24cyclictest16737-21ssh10:00:520
8349999616,41cyclictest32058-21df10:45:320
8349999616,21cyclictest3158-21fw_conntrack10:55:450
8349999615,62cyclictest9248-21munin-run07:09:470
8349999615,44cyclictest2188-21users12:26:330
8349999615,44cyclictest17071-21munin-run07:54:460
8349999615,43cyclictest18245-21apt-get11:40:040
8349999614,62cyclictest4945-21irqstats11:00:550
8349999613,24cyclictest16131-21users07:45:570
8349999612,23cyclictest14557-21basename07:40:070
8349999610,25cyclictest26146-21sed08:44:490
8349999526,61cyclictest0-21swapper09:01:420
8349999516,58cyclictest8080-21df_inode09:35:400
8349999516,41cyclictest15176-21fw_conntrack11:30:430
8349999430,43cyclictest5248-21ssh09:26:420
8349999417,42cyclictest23845-21irqstats11:55:570
8349999415,40cyclictest20185-21irqstats10:10:520
8349999411,22cyclictest23372-21sort11:54:520
8349999310,47cyclictest27380-21missed_timers12:06:110
8349999218,24cyclictest20679-21munin-run08:14:470
8349999211,21cyclictest20977-21wc08:15:120
8349999138,36cyclictest27444-21latency08:50:320
8349999116,55cyclictest10276-21fw_conntrack07:15:280
8349999112,44cyclictest11354-21grep07:20:430
8349999020,25cyclictest13472-21munin-run07:34:480
8349998913,22cyclictest14266-21timerwakeupswit07:35:520
8349998822,43cyclictest22984-21memory08:25:350
8349998817,24cyclictest28745-21users08:55:520
8349998817,23cyclictest24662-21df_inode08:35:210
8349998714,24cyclictest17392-21df07:55:130
8349998713,28cyclictest11856-21wget07:25:080
8349998712,40cyclictest18969-21/usr/sbin/munin08:05:430
8349998610,40cyclictest26172-21/usr/sbin/munin08:45:270
8349998525,39cyclictest9677-21ntpq07:10:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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