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2025-12-17 - 11:18
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rack7slot8.osadl.org (updated Wed Dec 17, 2025 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18492210530,11sleep018491-21/usr/sbin/munin19:05:240
26195211719,12sleep01295-21snmpd19:35:160
1443021076,12sleep01295-21snmpd23:09:160
2757021054,15sleep027571-21fw_packets21:50:360
2186321045,14sleep020649-21apt-get21:26:410
854421039,11sleep0101ktimersoftd/022:45:140
536321036,10sleep05364-21users22:30:450
193649910111,26cyclictest0-21swapper/000:24:330
812121005,11sleep08122-21sshd22:43:010
1901921006,11sleep018241-21apt-get23:25:420
74072986,12sleep07409-21fw_conntrack20:30:260
322032975,12sleep030994-21apt-get00:16:380
225742965,12sleep022575-21/usr/sbin/munin19:20:390
19364999125,29cyclictest786-21haveged20:45:040
19364999065,11cyclictest101ktimersoftd/021:30:160
1936499888,45cyclictest20290-21memory23:30:330
258582874,7sleep00-21swapper/023:53:340
19364998741,14cyclictest10250irq/56-4a10000000:07:000
111812875,70sleep011188-21memory20:45:310
1936499867,18cyclictest1295-21snmpd21:23:550
19364998643,31cyclictest101ktimersoftd/020:38:440
19364998633,24cyclictest101ktimersoftd/019:30:360
19364998533,17cyclictest30478-21runrttasks19:52:080
242882845,13sleep00-21swapper/023:45:480
19364998449,24cyclictest0-21swapper/020:10:230
19364998447,27cyclictest0-21swapper/021:55:210
19364998437,33cyclictest3650irq/20-4900000023:55:220
19364998351,15cyclictest10150irq/55-4a10000019:45:170
19364998348,26cyclictest0-21swapper/020:15:210
19364998337,36cyclictest17647-21runrttasks21:10:460
19364998336,30cyclictest3650irq/20-4900000020:50:250
19364998319,17cyclictest28535-21latency_hist00:05:020
19364998263,11cyclictest101ktimersoftd/000:10:510
1936499817,22cyclictest1295-21snmpd19:55:230
19364998151,20cyclictest17391-21/usr/sbin/munin23:20:300
19364998136,29cyclictest3650irq/20-4900000020:56:080
19364998126,41cyclictest0-21swapper/021:48:080
19364998050,13cyclictest10150irq/55-4a10000023:00:200
19364998040,28cyclictest0-21swapper/019:25:210
19364998029,33cyclictest14943-21ntpq21:00:350
19364998029,17cyclictest10250irq/56-4a10000023:36:480
19364997951,12cyclictest101ktimersoftd/019:17:080
19364997950,13cyclictest10150irq/55-4a10000021:05:240
19364997947,14cyclictest10150irq/55-4a10000023:12:550
19364997936,30cyclictest3650irq/20-4900000021:40:230
19364997934,31cyclictest10250irq/56-4a10000022:06:190
19364997932,10cyclictest101ktimersoftd/020:00:190
19364997849,12cyclictest10150irq/55-4a10000022:00:190
19364997848,14cyclictest10150irq/55-4a10000000:35:240
19364997834,27cyclictest2380-21aten_r7power_po22:20:130
19364997822,25cyclictest1300-21runrttasks20:26:050
1936499776,13cyclictest809-21avahi-daemon22:55:040
19364997757,12cyclictest101ktimersoftd/000:25:240
19364997754,10cyclictest101ktimersoftd/022:35:430
19364997751,13cyclictest10150irq/55-4a10000023:00:050
19364997749,19cyclictest19745-21/usr/sbin/munin19:10:300
19364997749,14cyclictest1053-21basename22:15:130
19364997748,13cyclictest10150irq/55-4a10000020:05:180
1936499768,30cyclictest802-21dbus-daemon21:40:010
19364997657,12cyclictest101ktimersoftd/023:17:030
1936499765,39cyclictest5203-21/usr/sbin/munin20:20:390
19364997647,13cyclictest10150irq/55-4a10000021:15:200
19364997645,14cyclictest10150irq/55-4a10000022:10:180
1936499759,22cyclictest27625-21awk19:40:390
19364997547,19cyclictest22455-21munin-node23:40:120
19364997546,13cyclictest10150irq/55-4a10000022:25:120
19364997442,14cyclictest10150irq/55-4a10000000:30:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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