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2026-08-08 - 05:09
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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 Sat Aug 08, 2026 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16097224462210,88sleep00-21swapper19:01:380
161919917817,62cyclictest6402-21apt-get22:37:270
161919916716,62cyclictest7344-21ntpdc00:13:350
161919916517,44cyclictest29202-21fw_conntrack23:43:100
161919916515,60cyclictest15033-21fw_conntrack21:28:090
161919916510,66cyclictest25620-21head19:48:140
161919916316,57cyclictest6376-21fw_conntrack21:03:100
161919916314,61cyclictest23834-21memory21:53:290
161919916222,46cyclictest0-21swapper23:32:470
161919916115,61cyclictest18625-21ssh21:38:270
161919916014,60cyclictest8980-21ssh22:43:530
161919916011,24cyclictest1193-21apt-get22:22:300
161919915917,27cyclictest12023-21/usr/sbin/munin22:53:170
16191991589,64cyclictest1661-21ssh23:57:420
161919915818,44cyclictest21829-21df21:47:520
161919915814,25cyclictest2934-21/usr/sbin/munin22:28:340
161919915810,57cyclictest26775-21ssh22:02:340
161919915616,47cyclictest4780-21ssh00:06:410
161919915518,25cyclictest15279-21df23:02:500
161919915418,24cyclictest5874-21munin-run21:02:120
161919915215,27cyclictest27670-21/usr/sbin/munin23:38:370
161919915136,43cyclictest0-21swapper22:51:480
161919915116,52cyclictest20181-21df_inode21:43:010
161919915012,27cyclictest28469-21latency_hist20:07:140
161919910116,24cyclictest9965-21sshd00:21:400
161919910018,43cyclictest13302-21fw_conntrack21:23:100
161919910018,40cyclictest32391-21irqstats22:18:210
161919910016,45cyclictest16750-21df_inode21:33:060
161919910015,24cyclictest30545-21/usr/sbin/munin23:47:380
16191999932,51cyclictest0-21swapper22:01:450
16191999916,24cyclictest13516-21munin-run00:32:090
16191999911,48cyclictest6095-21ssh22:36:160
16191999910,48cyclictest21416-21ssh23:20:130
16191999812,25cyclictest30564-21ssh22:13:030
16191999811,65cyclictest22322-21/usr/sbin/munin23:23:130
16191999734,45cyclictest0-21swapper19:12:110
16191999717,58cyclictest28471-21apt-get22:07:320
16191999713,45cyclictest980-21ssh23:55:000
16191999712,66cyclictest18522-21ssh23:12:330
16191999712,24cyclictest2935-21zcat20:43:090
16191999711,24cyclictest5533-21ssh00:08:260
1619199969,24cyclictest12490-21ssh21:20:360
16191999615,61cyclictest17100-21df_inode23:08:050
16191999612,45cyclictest10113-21ssh21:13:410
16191999612,23cyclictest8955-21ssh21:10:180
16191999536,21cyclictest10202-21ssh00:22:240
16191999412,23cyclictest13644-21df_inode22:57:590
16191999330,22cyclictest24269-21grep23:28:370
16191999315,27cyclictest4644-21ntpq20:53:050
16191999315,23cyclictest428-21munin-run20:32:100
16191999314,22cyclictest4057-21munin-run20:52:110
16191999313,29cyclictest24739-21/usr/sbin/munin19:43:160
16191999311,46cyclictest31051-21head20:18:160
16191999229,45cyclictest26601-21modprobe19:57:100
16191999218,29cyclictest0-21swapper19:17:110
16191999113,44cyclictest16285-21/usr/sbin/munin19:02:190
16191999015,55cyclictest19770-21df_inode19:17:430
16191999015,26cyclictest21147-21users19:23:170
16191999011,28cyclictest1457-21apt20:37:200
16191999010,41cyclictest31643-21ntpq20:23:020
16191998917,35cyclictest28697-21df20:07:410
16191998917,24cyclictest22407-21df19:32:350
16191998916,25cyclictest23214-21/usr/sbin/munin19:37:360
16191998911,60cyclictest893-21uname20:32:560
16191998716,23cyclictest29701-21fw_conntrack20:12:500
16191998712,40cyclictest21287-21/usr/sbin/munin19:28:090
16191998711,25cyclictest27180-21ntp_states19:58:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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