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2025-12-03 - 04:29
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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 20 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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