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2026-08-27 - 07:50
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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: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the highest latencies:
System rack8slot1.osadl.org (updated Thu Aug 27, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16924993133441,0cyclictest4297-21sendmail-mta21:19:490
1692499310422,0cyclictest29755-21mailstats23:25:020
16924992982707,0cyclictest4359-21munin-node21:54:550
1692499293925,0cyclictest9-21ksoftirqd/023:44:560
16924992792691,0cyclictest9-21ksoftirqd/018:54:560
169249927032058,0cyclictest0-21swapper00:11:270
169249924932359,0cyclictest0-21swapper23:54:510
16924992474248,0cyclictest9666-1kworker/0:0H23:34:560
16924992328655,0cyclictest9-21ksoftirqd/021:09:560
16924992326275,0cyclictest9666-1kworker/0:0H22:54:540
16924992318176,0cyclictest9666-1kworker/0:0H21:19:540
16924992313298,0cyclictest9666-1kworker/0:0H22:09:560
16924992310659,0cyclictest9-21ksoftirqd/022:49:550
16924992298635,0cyclictest9-21ksoftirqd/023:29:550
16924992283658,0cyclictest17058-21munin-node22:39:550
16924992277479,0cyclictest9-21ksoftirqd/019:29:560
16924992261613,0cyclictest9-21ksoftirqd/022:34:550
16924992252303,0cyclictest9666-1kworker/0:0H20:29:550
16924992225786,0cyclictest32081-21latency_hist21:39:550
16924992193652,0cyclictest1595-21jbd2/hda3-821:59:540
16924992142261,0cyclictest9666-1kworker/0:0H20:59:540
16924992136236,0cyclictest9666-1kworker/0:0H20:09:560
16924991990196,0cyclictest9666-1kworker/0:0H20:39:560
16924991988237,0cyclictest9666-1kworker/0:0H19:54:550
16924991968631,0cyclictest9-21ksoftirqd/020:45:000
16924991914210,0cyclictest9666-1kworker/0:0H19:14:570
16924991828696,0cyclictest23717-21runrttasks19:19:560
16924991813321,0cyclictest9666-1kworker/0:0H21:49:540
16924991813265,0cyclictest9666-1kworker/0:0H22:04:590
16924991803254,0cyclictest9666-1kworker/0:0H21:34:560
16924991801278,0cyclictest9666-1kworker/0:0H22:19:560
16924991771239,0cyclictest9666-1kworker/0:0H23:54:550
16924991770274,0cyclictest9666-1kworker/0:0H19:34:550
16924991715760,0cyclictest1280-21latency_hist21:44:590
16924991714257,0cyclictest9666-1kworker/0:0H22:59:560
16924991713174,0cyclictest9666-1kworker/0:0H19:59:560
16924991695294,0cyclictest9666-1kworker/0:0H19:49:560
16924991684720,0cyclictest18284-21ls18:59:560
16924991667313,0cyclictest9666-1kworker/0:0H00:19:560
16924991666661,0cyclictest9-21ksoftirqd/018:54:510
16924991655241,0cyclictest9666-1kworker/0:0H22:44:590
16924991639185,0cyclictest9666-1kworker/0:0H21:24:590
16924991585537,0cyclictest9-21ksoftirqd/020:14:570
16924991550451,0cyclictest9-21ksoftirqd/020:37:420
16924991522453,0cyclictest9-21ksoftirqd/021:07:410
16924991518377,0cyclictest9-21ksoftirqd/019:27:430
16924991497358,0cyclictest9-21ksoftirqd/021:32:250
16924991486658,0cyclictest9-21ksoftirqd/000:05:070
16924991433258,0cyclictest9666-1kworker/0:0H19:45:080
16924991394272,0cyclictest9666-1kworker/0:0H20:25:040
16924991384556,0cyclictest9-21ksoftirqd/023:14:570
16924991371628,0cyclictest9-21ksoftirqd/019:06:320
16924991367707,0cyclictest9-21ksoftirqd/023:45:050
16924991366580,0cyclictest9-21ksoftirqd/023:05:040
16924991353580,0cyclictest9-21ksoftirqd/022:26:310
16924991318221,0cyclictest9666-1kworker/0:0H00:16:310
16924991317254,0cyclictest9666-1kworker/0:0H20:05:080
16924991311696,0cyclictest9-21ksoftirqd/000:05:010
169249913031192,0cyclictest9666-1kworker/0:0H23:20:420
16924991292171,0cyclictest9666-1kworker/0:0H20:19:550
16924991285554,0cyclictest9-21ksoftirqd/022:30:010
16924991283186,0cyclictest9666-1kworker/0:0H20:54:560
169249912531142,0cyclictest9666-1kworker/0:0H19:40:450
16924991248207,0cyclictest9666-1kworker/0:0H22:14:560
16924991245161,0cyclictest20882-21latency_hist19:09:560
16924991100117,0cyclictest9666-1kworker/0:0H23:09:580
16924991063344,0cyclictest9-21ksoftirqd/020:51:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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