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2026-07-10 - 10:07
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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 Fri Jul 10, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13795224492205,97sleep00-21swapper19:03:100
138769917419,132cyclictest23577-21apt-get22:03:550
138769917118,24cyclictest8384-21apt-get22:53:550
138769916915,127cyclictest25930-21df_inode23:44:270
138769916718,22cyclictest32466-21apt-get00:03:590
138769916717,126cyclictest6388-21apt-get21:14:050
138769916716,126cyclictest5379-21irqstats22:44:470
138769916715,24cyclictest1732-21apt-get00:09:030
138769916620,26cyclictest18700-21apt-get23:23:530
138769916617,23cyclictest7361-21irqstats00:24:450
138769916617,125cyclictest5212-21apt-get00:19:030
138769916617,125cyclictest13259-21apt-get21:33:530
138769916615,22cyclictest20011-21apt-get19:38:520
138769916614,128cyclictest18418-21/usr/sbin/munin21:49:510
138769916611,128cyclictest31970-21ssh00:01:430
138769916519,26cyclictest12155-21df_inode23:04:250
138769916519,124cyclictest13542-21apt-get23:08:580
138769916436,108cyclictest22655-21latency23:34:520
138769916417,22cyclictest8658-21memory21:20:050
138769916416,23cyclictest15662-21fw_conntrack23:14:360
138769916415,127cyclictest30481-21apt-get22:23:570
138769916316,22cyclictest15924-21ssh21:40:340
138769916316,126cyclictest27047-21apt-get22:13:540
138769916314,23cyclictest25317-21apt-get22:08:580
138769916312,129cyclictest32263-21aten_r5power_cu22:29:040
138769916233,110cyclictest18256-21aten_r5power_en19:28:570
138769916217,22cyclictest3182-21df21:04:210
138769916217,22cyclictest20150-21apt-get21:53:570
138769916216,125cyclictest28773-21apt-get22:18:530
138769916118,24cyclictest27313-21apt-get23:48:570
138769916117,120cyclictest17269-21df23:19:190
138769916116,28cyclictest6652-21/usr/sbin/munin22:50:330
138769916116,121cyclictest10111-21apt-get22:59:040
138769916116,108cyclictest24140-21df23:39:170
138769916116,106cyclictest8892-21df00:29:170
138769916112,26cyclictest11619-21cut21:29:070
138769916037,99cyclictest2356-21timerwakeupswit22:35:220
138769916018,118cyclictest29398-21df_inode23:54:300
138769916017,20cyclictest10065-21df21:24:190
138769916017,119cyclictest17504-21df19:24:030
138769916014,23cyclictest17230-21memory21:44:530
138769916013,28cyclictest3864-21ssh00:14:360
138769916013,22cyclictest3671-21ssh22:39:480
138769915921,27cyclictest1064-21apt-get20:53:500
138769915918,29cyclictest19318-21df19:34:050
138769915816,24cyclictest24499-21apt-get20:03:500
138769915815,119cyclictest22004-21df19:49:030
138769915814,122cyclictest29812-21munin-run20:33:370
138769915812,121cyclictest21866-21/usr/sbin/munin22:00:390
138769915811,125cyclictest26432-21wget20:13:590
138769915719,29cyclictest16314-21munin-run19:18:370
138769915716,117cyclictest27697-21grep20:19:310
138769915715,118cyclictest20429-21apt-get23:29:040
138769915714,122cyclictest28909-21latency_hist20:28:350
138769915713,119cyclictest22923-21df19:54:060
138769915710,122cyclictest21355-21ntp_kernel_pll_19:44:300
13876991569,121cyclictest31304-21ntp_states20:39:410
138769915617,117cyclictest6255-21munin-run21:13:370
138769915616,23cyclictest14775-21munin-run19:08:370
138769915541,93cyclictest17111-21timerwakeupswit19:19:410
138769915519,23cyclictest32614-21apt-get20:48:510
138769915517,115cyclictest25605-21df20:09:030
138769915515,23cyclictest23902-21fw_conntrack19:59:140
138769915514,119cyclictest14961-21munin-node19:08:470
138769915221,27cyclictest2196-21df20:59:080
138769915113,25cyclictest32524-21wc20:48:380
138769915016,111cyclictest30333-21memory20:34:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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