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2025-11-23 - 10:11
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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 376 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
112699170,4rtkit-daemon1125-21rtkit-daemon19:31:130
153091799165,7cyclictest1616378-21ssh22:03:082
153091799164,8cyclictest2243333-21munin-node23:22:562
153091799164,6cyclictest1596865-21ssh21:43:032
153091799163,9cyclictest1550666-21latency_hist20:15:592
153091799163,12cyclictest1747736-21ssh00:23:112
153091799162,8cyclictest11050irq/107-eth%d23:33:052
153091799162,3cyclictest1611433-21ntpq21:58:052
1530917991613,2cyclictest1754157-21apt-key00:31:002
153091699167,7cyclictest1007-21mta-sts-daemon19:48:061
153091699164,8cyclictest619-21mta-sts-daemon21:28:011
153091699164,11cyclictest605-21avahi-daemon20:53:031
153091699163,4cyclictest1628018-21ssh22:15:591
153091699163,11cyclictest1544589-21fschecks_count19:58:021
153091699162,2cyclictest11050irq/107-eth%d22:58:051
153091699161,9cyclictest1689929-21awk23:20:591
1530916991614,1cyclictest0-21swapper/120:23:071
1530916991612,3cyclictest0-21swapper/120:28:041
1530916991610,4cyclictest1557565-21grep20:33:121
153091599169,2cyclictest0-21swapper/023:23:280
153091599163,9cyclictest1553986-21sendmail-msp20:33:070
153091599163,11cyclictest1531290-21/usr/sbin/munin19:17:580
153091599161,11cyclictest619-21mta-sts-daemon21:59:020
153091599160,10cyclictest1669195-21ssh22:58:110
112699160,3rtkit-daemon1125-21rtkit-daemon22:50:592
112699160,1rtkit-daemon0-21swapper/019:53:220
153091899153,7cyclictest0-21swapper/300:18:043
153091799157,5cyclictest1569639-21/usr/sbin/munin21:12:592
153091799155,8cyclictest1634679-21/usr/sbin/munin22:22:582
153091799155,7cyclictest0-21swapper/219:48:062
153091799154,6cyclictest1652832-21ssh22:41:212
153091799153,9cyclictest1540654-21unixbench_multi19:43:122
153091799152,6cyclictest1577328-21/usr/sbin/munin21:22:582
1530917991511,3cyclictest1632804-21idleruntime-cro22:20:582
153091799151,12cyclictest1553959-21ls20:25:592
153091699153,8cyclictest1760487-21ssh00:38:031
153091699152,9cyclictest1613781-21munin-plugin-st22:00:591
153091699152,9cyclictest1540808-21sendmail-msp19:53:061
153091699152,11cyclictest1657165-21basename22:45:581
153091699152,11cyclictest1547392-21sendmail-msp20:13:061
153091699151,9cyclictest1531171-21aten_r2power_cu19:17:581
1530916991512,2cyclictest0-21swapper/100:00:591
153091699151,12cyclictest1537525-21cat19:35:591
153091699151,11cyclictest1700995-21aten_r2power_fr23:32:581
153091699151,10cyclictest111788-21systemd-journal19:45:581
153091699150,11cyclictest1674324-21diskmemload23:03:371
153091599153,9cyclictest1553986-21sendmail-msp20:28:080
153091599152,11cyclictest0-21swapper/022:53:300
1530915991514,1cyclictest0-21swapper/020:18:060
1530915991510,3cyclictest111788-21systemd-journal21:13:010
153091599150,8cyclictest0-21swapper/023:02:570
112699150,3rtkit-daemon1125-21rtkit-daemon20:50:212
112699150,1rtkit-daemon0-21swapper/219:15:242
153091899145,5cyclictest0-21swapper/321:33:053
153091899144,5cyclictest0-21swapper/300:31:073
153091899143,6cyclictest0-21swapper/323:52:573
153091899142,8cyclictest0-21swapper/300:13:033
153091899142,7cyclictest0-21swapper/323:33:013
153091799149,3cyclictest0-21swapper/221:03:092
153091799145,6cyclictest0-21swapper/200:03:402
153091799142,9cyclictest1673703-21/usr/sbin/munin23:03:082
153091799142,10cyclictest1649808-21/usr/sbin/munin22:38:032
1530917991411,2cyclictest1555565-21unixbench_singl20:28:152
1530917991411,2cyclictest1544714-21gltestperf19:58:022
1530917991411,2cyclictest0-21swapper/223:43:002
153091799140,10cyclictest1548928-21grep20:08:132
153091699148,5cyclictest1125-21rtkit-daemon23:28:021
153091699143,6cyclictest1675779-21sendmail-msp23:06:181
153091699143,5cyclictest1538212-21/usr/sbin/munin19:38:011
153091699142,9cyclictest1714268-21ssh23:46:151
153091699142,8cyclictest1566166-21tail21:02:591
153091699141,11cyclictest1533092-21cut19:23:001
153091699141,10cyclictest1562240-21cat20:48:111
153091599149,3cyclictest1548669-21/usr/sbin/munin20:08:120
153091599141,8cyclictest0-21swapper/022:26:140
153091599141,10cyclictest1566345-21cut21:03:000
153091899134,5cyclictest0-21swapper/321:18:113
153091899133,4cyclictest0-21swapper/322:31:033
153091899132,7cyclictest0-21swapper/323:43:003
153091899132,7cyclictest0-21swapper/323:10:483
153091899132,6cyclictest0-21swapper/319:23:093
153091899131,6cyclictest0-21swapper/322:21:033
153091799139,3cyclictest1543977-21unixbench_multi19:53:112
153091799134,6cyclictest259-21jbd2/mmcblk0p2-820:31:032
153091799133,8cyclictest1568115-21fschecks_time21:08:022
153091799132,9cyclictest1625655-21ssh22:13:052
153091799131,10cyclictest1534226-21sendmail-msp19:33:092
153091699139,3cyclictest0-21swapper/100:18:011
153091699136,5cyclictest1552244-21grep20:18:121
153091699133,8cyclictest0-21swapper/121:38:021
153091699132,8cyclictest1620837-21ssh22:08:041
153091699132,7cyclictest967-21snmpd23:42:591
153091699132,6cyclictest1564954-21/usr/sbin/munin20:58:011
153091699131,9cyclictest1559829-21fschecks_time20:43:001
153091699130,9cyclictest1764700-21/usr/sbin/munin00:43:031
153091599135,6cyclictest1545988-21aten_r2power_cu20:02:590
153091599132,8cyclictest1559828-21tune2fs20:43:000
153091599130,11cyclictest1544570-21/usr/sbin/munin19:58:010
153091899124,4cyclictest0-21swapper/320:48:093
153091899123,6cyclictest0-21swapper/321:13:043
153091899123,5cyclictest0-21swapper/320:31:023
153091899122,6cyclictest0-21swapper/300:45:593
153091899122,6cyclictest0-21swapper/300:23:013
153091899122,5cyclictest0-21swapper/323:17:593
153091899122,5cyclictest0-21swapper/321:37:553
153091899122,5cyclictest0-21swapper/319:18:033
153091899121,8cyclictest0-21swapper/323:10:593
153091899121,6cyclictest0-21swapper/322:53:043
153091899121,6cyclictest0-21swapper/322:03:003
153091899121,6cyclictest0-21swapper/320:18:053
153091899121,5cyclictest0-21swapper/319:27:593
153091899120,6cyclictest0-21swapper/320:58:043
153091799124,6cyclictest1563350-21/usr/sbin/munin20:53:032
153091799122,8cyclictest1538074-21fschecks_time19:38:002
153091799122,8cyclictest1535582-21cat19:28:122
153091799122,7cyclictest1558138-21fschecks_count20:38:012
153091799122,5cyclictest1559845-21fschecks_time20:43:012
153091799121,9cyclictest1551062-21aten2.4-expect20:18:012
1530917991210,1cyclictest0-21swapper/220:57:582
153091699123,7cyclictest1569697-21cut21:13:001
153091699123,4cyclictest1568459-21/usr/sbin/munin21:08:041
153091699122,9cyclictest633-21gpm20:38:061
153091599129,2cyclictest1561425-21fschecks_count20:48:000
153091599123,6cyclictest1538851-21/usr/sbin/munin19:38:170
153091599122,9cyclictest1558137-21tune2fs20:38:010
153091599122,8cyclictest1553079-21/usr/sbin/munin20:23:030
153091599121,7cyclictest1532812-21aten2.4-expect19:22:580
153091599120,7cyclictest1569213-21latency_hist21:10:590
153091899117,2cyclictest0-21swapper/321:08:013
153091899115,4cyclictest0-21swapper/321:57:593
153091899114,6cyclictest0-21swapper/323:48:123
153091899114,5cyclictest0-21swapper/322:08:093
153091899114,4cyclictest0-21swapper/323:29:213
153091899113,5cyclictest0-21swapper/323:58:083
153091899113,5cyclictest0-21swapper/322:42:253
153091899113,5cyclictest0-21swapper/319:40:593
153091899113,4cyclictest0-21swapper/320:53:053
153091899113,4cyclictest0-21swapper/320:03:023
153091899112,6cyclictest0-21swapper/323:38:113
153091899112,5cyclictest0-21swapper/322:58:053
153091899112,5cyclictest0-21swapper/321:47:573
153091899112,5cyclictest0-21swapper/320:28:043
153091899112,3cyclictest0-21swapper/319:47:573
153091899111,7cyclictest0-21swapper/300:28:023
153091899111,6cyclictest0-21swapper/322:38:013
153091899110,5cyclictest0-21swapper/320:37:593
153091699117,3cyclictest0-21swapper/100:02:571
153091699110,7cyclictest1545964-21/usr/sbin/munin20:02:591
153091899104,4cyclictest0-21swapper/321:23:103
153091899102,6cyclictest0-21swapper/323:22:593
153091899102,5cyclictest0-21swapper/321:53:003
153091899102,5cyclictest0-21swapper/320:22:593
153091899102,4cyclictest0-21swapper/322:11:173
153091899102,4cyclictest0-21swapper/300:03:003
153091899101,7cyclictest0-21swapper/322:48:033
153091899101,7cyclictest0-21swapper/320:08:083
153091899101,6cyclictest0-21swapper/322:28:003
153091899101,6cyclictest0-21swapper/319:32:593
153091899101,5cyclictest0-21swapper/320:12:593
15309189994,3cyclictest0-21swapper/321:02:583
15309189993,5cyclictest0-21swapper/322:18:013
15309189993,5cyclictest0-21swapper/319:52:593
15309189993,3cyclictest0-21swapper/300:37:593
15309189991,6cyclictest0-21swapper/319:58:013
15309189991,4cyclictest0-21swapper/320:42:583
15309189990,1cyclictest0-21swapper/319:43:023
15309159993,4cyclictest1530914-21cyclictest19:15:590
15309189982,5cyclictest0-21swapper/323:02:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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