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2026-05-25 - 02:33
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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 Mon May 25, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28415224382198,89sleep00-21swapper19:00:550
297909917322,125cyclictest7370-21apt-get23:41:090
297909917020,125cyclictest29463-21apt-get23:11:110
297909917019,125cyclictest27457-21apt-get21:31:090
297909916815,130cyclictest32636-21apt-get21:46:080
297909916715,128cyclictest29188-21apt-get21:36:110
297909916618,124cyclictest5371-21apt-get22:01:110
297909916616,126cyclictest1912-21apt-get21:51:100
297909916519,119cyclictest12638-21fw_conntrack22:21:490
297909916516,124cyclictest29887-21apt-get19:06:060
297909916511,128cyclictest3641-21/usr/sbin/munin21:57:120
297909916419,102cyclictest17419-21apt-get22:36:090
297909916415,125cyclictest24692-21fw_conntrack22:56:500
297909916318,120cyclictest18685-21munin-run21:05:510
297909916318,120cyclictest10798-21apt-get23:51:090
297909916316,23cyclictest25730-21apt-get21:26:070
297909916316,119cyclictest15945-21apt-get00:06:080
297909916315,107cyclictest21006-21munin-run00:20:510
297909916312,126cyclictest8801-21apt-get22:11:180
297909916311,27cyclictest15731-21ssh22:31:160
297909916232,108cyclictest20719-21cpu21:11:270
297909916217,24cyclictest30914-21apt-get21:41:080
297909916217,120cyclictest22581-21apt-get22:51:110
297909916217,104cyclictest19418-21df22:41:350
297909916215,122cyclictest1206-21ps23:22:260
297909916213,26cyclictest14285-21ssh00:01:140
29790991619,114cyclictest32103-21timerwakeupswit19:16:530
297909916116,21cyclictest4369-21apt-get19:46:060
297909916116,122cyclictest18814-21apt-get21:06:090
297909916114,124cyclictest9347-21df23:46:350
297909916114,123cyclictest10994-21irqstats22:17:050
29790991608,128cyclictest11275-21find20:21:510
297909916033,106cyclictest859-21aten_r5power_vo19:26:140
297909916019,117cyclictest7342-21df22:06:310
297909916016,120cyclictest12524-21ssh23:55:590
297909916015,23cyclictest11574-21apt-get20:26:050
297909916010,126cyclictest2691-21sshd23:27:050
29790991599,127cyclictest26441-21if_eth023:01:540
297909915916,119cyclictest22290-21apt-get21:16:120
297909915915,121cyclictest14902-21users22:27:380
297909915914,122cyclictest25144-21/usr/sbin/munin00:32:190
297909915913,123cyclictest24263-21ssh21:21:290
297909915912,26cyclictest17803-21sh00:11:240
297909915912,24cyclictest27731-21apt-get23:06:170
297909915818,117cyclictest16869-21munin-run20:55:510
297909915815,119cyclictest4872-21users23:32:420
297909915814,31cyclictest9650-21sshd20:13:050
297909915814,121cyclictest13498-21cut20:36:140
297909915813,122cyclictest5671-21sshd23:36:050
297909915813,109cyclictest28595-21snmpd23:18:020
297909915717,24cyclictest21492-21fw_conntrack00:21:450
297909915712,123cyclictest22835-21apt-get00:26:150
297909915711,124cyclictest1717-21wget19:31:130
297909915710,124cyclictest3482-21apt-get19:41:050
29790991569,121cyclictest14998-21grep20:41:550
297909915612,26cyclictest30875-21munin-node22:46:010
297909915538,98cyclictest3363-21sshd19:39:050
297909915517,21cyclictest8222-21grep20:06:220
297909915512,122cyclictest10415-21wc20:16:510
29790991548,122cyclictest5713-21grep19:51:430
297909915416,23cyclictest17324-21irqstats20:56:360
29790991539,122cyclictest7817-21grep20:01:560
297909915315,25cyclictest32324-21apt-get19:21:060
297909915315,115cyclictest6518-21irqstats19:56:320
297909915311,119cyclictest13276-21sendmail20:35:500
29790991529,23cyclictest31245-21sort19:11:200
297909915211,26cyclictest15284-21wget20:46:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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