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2026-04-30 - 15:19
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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 Thu Apr 30, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23553225870,13sleep023225-1kworker/u3:207:02:530
240399917619,131cyclictest4582-21apt10:17:070
240399917435,119cyclictest15642-21ntp_offset12:23:290
240399917219,24cyclictest19891-21apt-get09:27:160
240399917138,20cyclictest14838-21latency_hist10:47:050
240399917037,113cyclictest28539-21latency_hist11:27:030
240399917020,26cyclictest13007-21/usr/sbin/munin09:09:000
240399916917,128cyclictest1702-21memory10:08:220
240399916719,28cyclictest18183-21/usr/sbin/munin09:23:580
240399916711,130cyclictest31979-21ssh10:02:360
240399916618,23cyclictest16492-21apt-get09:17:240
240399916617,24cyclictest29275-21apt-get07:37:140
240399916617,123cyclictest31962-21apt-get07:52:160
240399916540,106cyclictest18025-21sh12:30:350
240399916521,26cyclictest25081-21munin-run11:17:010
240399916513,131cyclictest25159-21basename07:12:120
240399916432,110cyclictest9186-21ssh12:04:060
240399916420,39cyclictest13308-21apt-get12:17:160
240399916419,24cyclictest21602-21apt-get09:32:190
240399916416,26cyclictest1313-21apt-get11:42:220
240399916414,122cyclictest3124-21apt-get08:12:140
240399916320,118cyclictest20064-21apt-get11:02:250
240399916318,25cyclictest22218-21irqstats11:08:130
240399916317,39cyclictest25055-21apt-get09:42:180
240399916316,122cyclictest8394-21entropy10:27:550
240399916313,25cyclictest27347-21ntpq09:48:260
240399916232,109cyclictest3032-21apt-get11:47:220
240399916226,116cyclictest18731-21df_abs12:32:470
240399916223,24cyclictest6610-21ssh11:57:340
240399916219,25cyclictest30877-21memory11:33:220
240399916218,28cyclictest6333-21munin-run11:57:020
240399916218,26cyclictest9779-21lsusb08:52:130
240399916218,23cyclictest4949-21df_inode10:17:500
240399916217,21cyclictest14905-21apt-get10:47:190
240399916215,24cyclictest29070-21irqstats11:28:080
240399916214,28cyclictest23864-21ssh09:38:190
240399916214,27cyclictest16630-21apt-get10:52:280
240399916135,24cyclictest26023-21uname07:17:450
240399916119,23cyclictest10415-21memory12:08:220
240399916117,39cyclictest28472-21/usr/sbin/munin09:53:340
240399916117,37cyclictest15685-21users09:13:530
240399916114,27cyclictest13090-21ssh10:42:010
24039991608,27cyclictest19559-21ssh11:00:070
240399916036,105cyclictest28953-21sendmail_mailqu07:33:000
240399916025,114cyclictest8557-21latency_hist08:42:030
240399916017,23cyclictest6333-21apt-get10:22:140
240399916017,119cyclictest12430-21irqstats09:02:460
240399916015,122cyclictest30546-21df_inode09:57:530
240399916013,43cyclictest9734-21/usr/sbin/munin10:33:350
240399916011,124cyclictest26412-21ssh11:20:050
240399915916,117cyclictest11958-21fw_conntrack12:12:560
240399915817,24cyclictest32057-21apt-get11:37:250
240399915814,26cyclictest9614-21head08:52:000
240399915736,104cyclictest3032-21cat08:12:010
240399915721,25cyclictest24136-21apt-get07:07:110
240399915713,40cyclictest9449-21sort08:47:030
240399915710,24cyclictest30230-21wget07:42:200
240399915620,28cyclictest4803-21users08:18:090
240399915617,28cyclictest26576-21apt-get07:22:160
240399915518,22cyclictest6764-21apt-get08:32:160
240399915518,22cyclictest11293-21/usr/sbin/munin08:57:240
240399915518,114cyclictest6312-21ntp_states08:27:570
240399915432,23cyclictest28153-21/usr/sbin/munin07:28:040
240399915419,29cyclictest31063-21apt-get07:47:170
240399915417,22cyclictest1215-21munin-run08:02:000
240399915330,16cyclictest0-21swapper08:06:460
240399915312,28cyclictest5198-21sed08:22:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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