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2025-12-03 - 12:45
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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 Wed Dec 03, 2025 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14533224230,10sleep06869-1kworker/u3:517:39:360
146569910435,50cyclictest0-21swapper21:44:510
146569910419,47cyclictest12941-21apt-get20:05:450
146569910328,51cyclictest5772-21apt-get21:20:440
146569910313,67cyclictest24549-21df22:16:050
146569910310,26cyclictest28195-21missed_timers22:26:480
146569910234,49cyclictest0-21swapper19:25:530
146569910232,52cyclictest0-21swapper20:15:160
146569910117,46cyclictest977-21df21:06:120
146569910116,24cyclictest4872-21fw_conntrack19:41:280
146569910112,66cyclictest11831-21/usr/sbin/munin20:01:480
146569910112,27cyclictest9173-21ssh21:30:510
146569910110,26cyclictest11833-21ssh21:37:390
146569910017,22cyclictest23540-21users22:12:130
146569910015,64cyclictest32576-21apt-get22:40:460
146569910015,24cyclictest5136-21/usr/sbin/munin22:55:360
146569910013,48cyclictest26871-21ssh20:46:350
146569910011,67cyclictest9091-21cat21:30:320
146569910011,29cyclictest30018-21ssh22:31:570
14656999917,61cyclictest7685-21users23:02:060
14656999916,23cyclictest6177-21apt-get19:45:510
14656999915,22cyclictest9945-21fw_conntrack19:56:260
14656999913,23cyclictest18419-21ssh20:21:330
14656999818,42cyclictest20015-21df_inode20:26:180
14656999817,22cyclictest2855-21irqstats21:11:320
14656999816,64cyclictest8781-21fw_conntrack23:06:250
14656999815,52cyclictest0-21swapper21:57:440
14656999814,63cyclictest19232-21apt-get22:00:430
14656999814,45cyclictest16790-21users21:52:080
14656999813,65cyclictest22299-21users20:32:120
14656999812,47cyclictest23793-21ssh20:37:000
14656999734,47cyclictest26155-21grep18:40:500
14656999726,49cyclictest24745-21apt-get20:40:470
14656999716,61cyclictest31899-21irqstats21:01:280
14656999716,43cyclictest2228-21irqstats22:46:290
14656999713,23cyclictest4628-21memory21:16:420
14656999712,63cyclictest30963-21ssh22:35:430
14656999711,51cyclictest26003-21ssh22:20:530
14656999711,50cyclictest8277-21ssh19:51:270
14656999623,50cyclictest28125-21apt-get20:50:480
14656999615,60cyclictest16321-21apt-get20:15:440
14656999613,64cyclictest29790-21basename19:00:490
14656999613,62cyclictest22337-21sshd22:09:450
14656999610,65cyclictest16230-21grep17:46:090
14656999515,22cyclictest30414-21ntp_states20:56:520
14656999513,60cyclictest820-21/usr/sbin/munin19:20:370
14656999410,49cyclictest3989-21ssh22:51:390
14656999315,56cyclictest14753-21apt-get17:40:430
14656999313,61cyclictest3559-21apt-get19:35:430
14656999312,56cyclictest14752-21ntpq21:46:480
14656999310,46cyclictest3297-21grep19:31:290
14656999310,44cyclictest25859-21grep18:36:290
1465699929,62cyclictest23184-21grep18:21:320
14656999221,50cyclictest19759-21apt-get18:05:430
14656999211,59cyclictest21844-21df_inode18:15:580
1465699909,62cyclictest27652-21sort18:46:300
14656999021,51cyclictest345-21missed_timers19:16:180
14656999017,23cyclictest23654-21fw_conntrack18:26:050
14656999010,59cyclictest19656-21latency_hist18:05:250
14656998930,40cyclictest17810-21sed17:51:330
14656998918,24cyclictest30585-21apt-get19:05:410
14656998911,60cyclictest32228-21unixbench_singl19:11:290
14656998831,34cyclictest27895-21apt-get18:50:410
14656998816,24cyclictest18238-21df_inode17:55:590
14656998715,34cyclictest21335-21grep18:11:290
14656998713,26cyclictest24618-21irqstats18:31:080
14656998514,25cyclictest29086-21fw_conntrack18:56:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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