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2025-11-23 - 09:40
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 100 highest latencies:
System rack2slot7.osadl.org (updated Sun Nov 23, 2025 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1530915999527,35cyclictest0-21swapper/000:06:400
1530916996124,9cyclictest0-21swapper/100:08:071
1530915994535,8cyclictest1603057-21ssh21:49:020
1530917994434,7cyclictest762-21in:imuxsock00:06:472
153091599442,9cyclictest111788-21systemd-journal21:27:280
1530915994326,12cyclictest607-21dbus-daemon23:31:010
153091599423,22cyclictest0-21swapper/021:23:100
1530915994130,4cyclictest1713880-21sendmail-msp23:52:570
153091599351,34cyclictest0-21swapper/020:53:060
1530915993220,5cyclictest0-21swapper/023:34:280
153091599311,3cyclictest607-21dbus-daemon23:50:590
153091699305,18cyclictest1597241-21ntpq21:43:071
1530915993027,2cyclictest0-21swapper/023:13:060
1530915993022,3cyclictest1634766-21run-parts22:22:590
153091599301,2cyclictest0-21swapper/000:11:130
153091599282,2cyclictest0-21swapper/020:58:050
153091599273,17cyclictest0-21swapper/021:43:060
153091599272,2cyclictest1654353-21grep22:43:000
153091599272,1cyclictest0-21swapper/021:51:430
153091799267,16cyclictest619-21mta-sts-daemon23:15:172
153091799265,6cyclictest11050irq/107-eth%d21:53:402
1530915992623,2cyclictest1658940-21fschecks_count22:48:000
153091599261,16cyclictest0-21swapper/000:03:000
153091799257,2cyclictest171rcu_preempt23:31:012
153091799251,5cyclictest171rcu_preempt23:58:062
1530917992513,11cyclictest1704621-21apt-key23:35:592
153091699258,11cyclictest619-21mta-sts-daemon00:12:501
1530916992516,7cyclictest1606073-21fschecks_count21:53:011
1530916992516,6cyclictest0-21swapper/122:53:061
153091599251,22cyclictest0-21swapper/021:38:020
153091599250,18cyclictest0-21swapper/023:43:060
153091599250,14cyclictest1572645-21grep21:18:020
153091799242,3cyclictest171rcu_preempt23:46:152
1530915992421,1cyclictest0-21swapper/021:33:040
153091599241,12cyclictest1549303-21/usr/sbin/munin20:12:590
153091799234,3cyclictest0-21swapper/221:46:202
1530915992315,1cyclictest0-21swapper/000:17:280
153091599231,2cyclictest0-21swapper/000:38:060
153091599231,20cyclictest0-21swapper/019:28:030
1530917992210,6cyclictest619-21mta-sts-daemon21:33:372
1530917992210,2cyclictest171rcu_preempt00:28:102
153091699221,18cyclictest1547392-21sendmail-msp20:08:081
1530916992211,7cyclictest1749635-21sendmail-msp00:31:071
153091599224,12cyclictest1704690-21cp23:35:590
1530915992215,2cyclictest0-21swapper/000:31:040
1530915992215,1cyclictest1763982-21/usr/sbin/munin00:43:020
153091599221,12cyclictest0-21swapper/022:10:210
153091899217,7cyclictest0-21swapper/300:08:093
153091799212,4cyclictest171rcu_preempt22:08:042
153091699217,10cyclictest1576081-21ssh21:21:011
153091699212,14cyclictest1599571-21sendmail-msp21:48:081
1530916992112,6cyclictest1005-21mta-sts-daemon22:26:581
153091599215,13cyclictest1726385-21ssh23:58:390
153091599211,4cyclictest1643325-21ssh22:31:040
1530915992110,8cyclictest1539734-21fschecks_time19:43:020
153091899200,18cyclictest0-21swapper/319:15:593
153091799203,1cyclictest171rcu_preempt20:05:592
1530917992017,2cyclictest1591838-21grep21:38:032
1530917992015,4cyclictest1008-21mta-sts-daemon22:28:122
1530917992015,3cyclictest1531466-21fschecks_time19:18:002
153091699207,9cyclictest1006-21mta-sts-daemon23:38:111
153091699202,3cyclictest171rcu_preempt22:24:171
153091699202,2cyclictest171rcu_preempt22:00:591
1530916992011,7cyclictest111788-21systemd-journal23:53:061
1530915992016,1cyclictest0-21swapper/000:30:590
112699200,5rtkit-daemon1125-21rtkit-daemon23:19:442
153091799196,9cyclictest1741118-21ssh00:16:032
153091799195,12cyclictest1675779-21sendmail-msp23:06:512
153091799193,13cyclictest1719960-21/usr/sbin/munin23:52:572
153091799192,8cyclictest1764516-21ssh00:43:012
153091799192,14cyclictest111788-21systemd-journal21:30:102
153091699196,8cyclictest1659648-21open_inodes22:48:081
1530916991915,3cyclictest0-21swapper/122:31:041
1530915991915,3cyclictest1541336-21fschecks_count19:48:000
153091599190,11cyclictest1652487-21latency_hist22:40:590
153091899182,10cyclictest0-21swapper/321:43:073
153091799183,3cyclictest171rcu_preempt22:58:052
153091799183,12cyclictest1740856-21apt00:15:592
153091799182,5cyclictest171rcu_preempt22:31:032
1530917991814,2cyclictest1534088-21grep19:23:102
153091699183,8cyclictest1570779-21diskmemload23:23:381
153091699183,12cyclictest1747047-21fschecks_time00:23:031
153091599183,13cyclictest1633047-21latency_hist22:20:590
153091599181,9cyclictest1677776-21ssh23:08:010
1530915991815,2cyclictest0-21swapper/022:03:100
153091899174,8cyclictest0-21swapper/321:28:033
153091799174,8cyclictest1760387-21/usr/sbin/munin00:38:022
153091799174,10cyclictest762-21in:imuxsock22:47:312
1530917991714,2cyclictest1575462-21cron21:20:582
153091699176,3cyclictest259-21jbd2/mmcblk0p2-819:28:071
153091699175,10cyclictest619-21mta-sts-daemon00:26:161
153091699174,11cyclictest1630948-21/usr/sbin/munin22:18:101
153091699174,10cyclictest1650594-21ssh22:38:131
153091699173,9cyclictest1530878-21munin-run19:15:591
153091699172,6cyclictest1587214-21gltestperf21:33:011
153091699172,12cyclictest762-21in:imuxsock23:14:221
153091699171,12cyclictest1575700-21cat21:20:591
153091599173,3cyclictest1-21systemd22:15:590
1530915991714,2cyclictest0-21swapper/023:18:090
1530915991710,2cyclictest0-21swapper/000:23:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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