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2025-12-11 - 05:14
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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 Thu Dec 11, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2007839994610,16cyclictest122792-21ntpd00:34:230
2007839994610,16cyclictest122792-21ntpd00:34:230
200783999392,36cyclictest2152243-21aten_r2power_en23:08:080
200783999361,23cyclictest0-21swapper/023:48:180
200784199353,9cyclictest171rcu_preempt21:20:391
2007839993516,4cyclictest0-21swapper/021:34:220
200783999350,27cyclictest0-21swapper/021:58:180
200784299342,13cyclictest2047688-21diskmemload23:58:122
2007841993325,5cyclictest271ktimers/123:58:121
200783999338,22cyclictest0-21swapper/000:26:220
2007839993318,5cyclictest2150810-21sendmail-msp23:15:180
200784199323,8cyclictest171rcu_preempt00:18:141
200783999321,16cyclictest0-21swapper/022:36:150
200783999312,20cyclictest2199588-21grep23:58:140
2007839993119,2cyclictest2212357-21aten_r2power_cu00:13:060
2007839993111,8cyclictest2204915-21ssh00:03:450
2007839993019,2cyclictest2132308-21sendmail-msp22:51:200
200784299291,4cyclictest171rcu_preempt22:43:112
200783999293,23cyclictest2127822-21ssh22:41:180
200783999292,18cyclictest0-21swapper/023:53:080
200783999292,13cyclictest0-21swapper/023:33:070
200784299282,6cyclictest122792-21ntpd22:56:152
200783999289,4cyclictest0-21swapper/022:13:080
200783999284,14cyclictest2211053-21ssh00:11:150
2007839992815,4cyclictest2218169-21unixbench-2d00:18:210
200784199275,14cyclictest111788-21systemd-journal00:36:151
200784199275,14cyclictest111788-21systemd-journal00:36:151
112699260,3rtkit-daemon1125-21rtkit-daemon21:27:321
200784299250,3cyclictest0-21swapper/222:06:152
200784199253,7cyclictest0-21swapper/100:26:161
200784199252,7cyclictest11050irq/107-eth%d22:26:591
200784199252,2cyclictest171rcu_preempt23:23:161
200783999251,24cyclictest58-21kcompactd022:18:120
112699250,5rtkit-daemon1125-21rtkit-daemon22:37:042
112699250,4rtkit-daemon1007-21mta-sts-daemon21:45:070
200784299245,15cyclictest2148426-21ntpq23:03:122
200783999244,16cyclictest619-21mta-sts-daemon20:33:160
2007839992424,0cyclictest0-21swapper/022:23:120
2007839992414,2cyclictest2055067-21sed21:23:140
200783999240,2cyclictest2171915-21timerandwakeup23:28:220
200783999240,1cyclictest2125095-21/usr/sbin/munin22:38:170
2007839992313,8cyclictest2016485-1kworker/0:2H+kblockd20:13:150
200783999230,1cyclictest2037271-21ntpq20:43:120
200783999230,18cyclictest0-21swapper/021:28:170
200784399224,6cyclictest0-21swapper/322:23:143
200784399223,6cyclictest0-21swapper/323:58:123
200784399221,8cyclictest0-21swapper/300:08:093
2007842992212,6cyclictest2150810-21sendmail-msp23:06:232
200784199223,14cyclictest2094730-21sendmail-msp22:06:151
200783999224,14cyclictest2243333-21munin-node00:38:480
2007839992222,0cyclictest0-21swapper/022:08:070
112699220,3rtkit-daemon1125-21rtkit-daemon21:40:550
200784299218,9cyclictest2223844-21sendmail-msp00:33:152
200784299218,9cyclictest2223844-21sendmail-msp00:33:152
200784299215,13cyclictest967-21snmpd23:41:152
200784299212,15cyclictest2217674-21gcc00:18:142
200784299211,4cyclictest171rcu_preempt21:48:122
200783999210,20cyclictest0-21swapper/023:00:220
200783999210,1cyclictest0-21swapper/020:03:120
112699210,8rtkit-daemon0-21swapper/122:31:301
200784399205,8cyclictest0-21swapper/321:20:393
200784299206,11cyclictest0-21swapper/220:17:012
200784299204,12cyclictest111788-21systemd-journal21:26:272
2007842992012,6cyclictest111788-21systemd-journal19:53:102
200784299200,1cyclictest171rcu_preempt21:21:182
2007841992012,7cyclictest0-21swapper/123:08:081
200784199200,3cyclictest11050irq/107-eth%d21:33:051
200783999208,9cyclictest2076239-21sendmail-msp21:51:150
200783999202,11cyclictest11050irq/107-eth%d21:20:390
200783999201,14cyclictest0-21swapper/000:23:200
200784299195,10cyclictest2119391-21aten2.4-expect22:33:062
200784299194,2cyclictest0-21swapper/200:13:152
200784299192,5cyclictest2175232-21/usr/sbin/munin23:33:072
200784299192,3cyclictest171rcu_preempt00:26:232
200784199194,3cyclictest11050irq/107-eth%d21:38:141
200784199191,4cyclictest11050irq/107-eth%d00:12:191
200784199191,1cyclictest171rcu_preempt22:46:171
200784199190,2cyclictest171rcu_preempt00:03:451
200783999195,12cyclictest2040510-21ntpq20:53:150
2007839991916,2cyclictest2092328-21ssh22:03:140
200784399183,7cyclictest0-21swapper/300:13:153
200784299184,6cyclictest764-21rs:main2
200784299183,9cyclictest2166968-21ssh23:23:162
2007842991816,1cyclictest58-21kcompactd022:11:332
2007842991815,2cyclictest2016956-21grep19:43:102
2007842991813,3cyclictest0-21swapper/222:58:192
200784199183,2cyclictest171rcu_preempt20:13:151
200784199182,12cyclictest2177626-21ssh23:34:441
2007841991812,3cyclictest0-21swapper/123:03:121
200783999183,10cyclictest0-21swapper/019:16:150
200783999181,16cyclictest2161767-21fschecks_time23:18:100
200783999181,14cyclictest2132308-21sendmail-msp22:46:290
200783999180,8cyclictest2166476-21grep23:23:100
200784399173,8cyclictest0-21swapper/300:38:163
200784299176,8cyclictest0-21swapper/223:38:182
200784299172,4cyclictest171rcu_preempt21:38:082
200784299172,2cyclictest171rcu_preempt19:16:152
2007842991713,3cyclictest2014706-21unixbench_singl19:33:212
2007842991713,2cyclictest2194565-21/usr/sbin/munin23:53:132
200784299171,2cyclictest171rcu_preempt22:23:142
2007842991711,5cyclictest1125-21rtkit-daemon00:02:522
200784199174,11cyclictest111788-21systemd-journal22:11:331
200784199174,10cyclictest2053086-21ssh21:21:181
200784199172,10cyclictest2194887-21ntpq23:53:161
200784199171,4cyclictest2106702-21sed22:18:181
2007841991712,4cyclictest2237964-21fschecks_count00:43:101
200784199170,3cyclictest11050irq/107-eth%d22:43:111
200783999172,13cyclictest1007-21mta-sts-daemon19:16:140
2007839991715,2cyclictest1006-21mta-sts-daemon20:18:120
2007839991714,3cyclictest2015763-21ntp_kernel_err19:38:100
2007839991713,2cyclictest0-21swapper/019:33:150
200783999171,12cyclictest2022311-21cut19:58:120
112699170,1rtkit-daemon0-21swapper/000:42:460
200784399163,7cyclictest0-21swapper/323:08:083
200784299162,12cyclictest2188014-21sendmail-msp23:46:382
2007842991610,4cyclictest762-21in:imuxsock20:28:132
2007841991612,3cyclictest2185528-21ntp_kernel_err23:43:131
2007841991611,3cyclictest2010464-21gltestperf19:23:101
2007841991610,4cyclictest2044414-21sendmail-msp21:08:461
200783999162,13cyclictest0-21swapper/019:48:160
200783999162,10cyclictest259-21jbd2/mmcblk0p2-821:48:240
2007839991610,4cyclictest0-21swapper/021:08:460
200783999160,9cyclictest0-21swapper/023:43:100
200784399153,8cyclictest0-21swapper/300:33:153
200784399153,8cyclictest0-21swapper/300:33:153
200784399152,7cyclictest0-21swapper/321:33:053
200784399151,6cyclictest0-21swapper/322:33:063
200784299159,5cyclictest2050459-21grep21:18:182
200784299159,3cyclictest111788-21systemd-journal19:26:142
200784299153,1cyclictest11050irq/107-eth%d21:33:162
200784299152,9cyclictest2073847-21/usr/sbin/munin21:43:162
200784299152,10cyclictest2015105-21/usr/sbin/munin19:38:052
2007842991512,2cyclictest0-21swapper/221:13:152
200784199157,7cyclictest2021932-21fschecks_time19:58:091
200784199155,8cyclictest2221448-21if_end000:23:111
200784199154,8cyclictest619-21mta-sts-daemon22:22:301
200784199153,9cyclictest764-21rs:main1
200784199153,9cyclictest2169273-21sendmail-msp23:26:291
200784199152,9cyclictest2037830-21sendmail-msp20:48:131
2007841991512,2cyclictest2127431-21latency_hist22:41:151
2007841991511,3cyclictest762-21in:imuxsock23:49:521
2007841991511,3cyclictest762-21in:imuxsock22:52:431
2007841991511,3cyclictest2016381-21cron19:41:151
200784199151,11cyclictest2018067-21sendmail-msp19:53:111
200784199151,11cyclictest2008385-21apt-get19:16:161
2007839991512,2cyclictest2038478-21gltestperf20:48:100
200783999151,12cyclictest2043360-21fschecks_time21:03:090
200783999150,14cyclictest2114694-21/usr/sbin/munin22:28:070
200784399143,5cyclictest0-21swapper/323:47:433
200784399143,5cyclictest0-21swapper/322:51:203
200784399142,7cyclictest0-21swapper/323:43:123
200784399142,6cyclictest0-21swapper/322:48:143
200784399142,6cyclictest0-21swapper/320:38:143
200784399142,5cyclictest0-21swapper/320:08:133
200784399141,7cyclictest0-21swapper/322:28:483
200784299149,4cyclictest0-21swapper/220:38:142
200784299146,6cyclictest0-21swapper/222:03:092
200784299146,5cyclictest2106182-21ntpq22:18:122
200784299144,8cyclictest0-21swapper/223:28:112
200784299143,8cyclictest2042112-21/usr/sbin/munin20:58:142
200784299142,3cyclictest11050irq/107-eth%d22:48:142
200784299141,10cyclictest762-21in:imuxsock22:28:142
200784299141,10cyclictest2033493-21cut20:33:112
200784299141,10cyclictest2030188-21/usr/sbin/munin20:23:082
200784299140,11cyclictest2243333-21munin-node00:43:062
200784199144,8cyclictest2024076-21/usr/sbin/munin20:03:151
200784199144,7cyclictest2161447-21/usr/sbin/munin23:18:071
200784199142,10cyclictest2073873-21ssh21:43:161
200784199141,9cyclictest111788-21systemd-journal19:28:171
2007841991411,2cyclictest2037814-21sendmail20:46:141
2007841991411,2cyclictest0-21swapper/122:03:101
2007841991410,3cyclictest762-21in:imuxsock21:49:241
200783999146,2cyclictest2047105-21ntpq21:13:130
200783999144,9cyclictest218131450ssh23:38:190
200783999144,7cyclictest2148145-21ssh23:03:100
2007839991411,2cyclictest2017406-21ntp_kernel_err19:43:130
200783999141,12cyclictest0-21swapper/020:28:170
200783999140,9cyclictest2011699-21/usr/sbin/munin19:28:200
200784399135,6cyclictest0-21swapper/300:26:163
200784399135,3cyclictest0-21swapper/322:13:083
200784399135,3cyclictest0-21swapper/322:08:193
200784399134,5cyclictest0-21swapper/319:51:143
200784399133,6cyclictest0-21swapper/320:13:133
200784399133,5cyclictest0-21swapper/323:19:433
200784399133,5cyclictest0-21swapper/321:38:463
200784399133,5cyclictest0-21swapper/319:33:143
200784399132,6cyclictest0-21swapper/323:38:133
200784399132,6cyclictest0-21swapper/322:18:063
200784399132,6cyclictest0-21swapper/300:43:063
200784399132,5cyclictest0-21swapper/323:28:163
200784399131,9cyclictest0-21swapper/321:26:273
200784399131,6cyclictest0-21swapper/323:13:133
200784299139,3cyclictest0-21swapper/221:53:082
200784299139,2cyclictest0-21swapper/221:08:092
200784299137,4cyclictest0-21swapper/221:03:202
200784299135,6cyclictest0-21swapper/220:13:102
200784299134,7cyclictest2008090-21cat19:16:142
200784299133,7cyclictest2087921-21sshd21:58:182
200784299133,6cyclictest2024340-21timerandwakeup20:03:202
200784299133,5cyclictest2012477-21/usr/sbin/munin19:28:142
200784299132,8cyclictest2023123-21cat20:01:142
200784299132,7cyclictest2221004-21/usr/sbin/munin00:23:082
200784299131,11cyclictest2018586-21grep19:48:112
200784199139,3cyclictest762-21in:imuxsock22:56:341
200784199139,3cyclictest762-21in:imuxsock21:54:001
200784199135,4cyclictest2042028-21/usr/sbin/munin20:58:131
200784199134,6cyclictest2088007-21/usr/sbin/munin21:58:191
200784199133,3cyclictest0-21swapper/119:36:141
200784199132,8cyclictest2044414-21sendmail-msp21:13:151
200784199131,5cyclictest2033492-21grep20:33:111
200783999136,2cyclictest2010817-21ntpq19:23:130
200783999132,8cyclictest2018067-21sendmail-msp19:53:130
200783999132,10cyclictest2042147-21ntpq20:58:140
2007839991313,0cyclictest0-21swapper/020:38:120
200784399125,4cyclictest0-21swapper/321:43:133
200784399123,6cyclictest0-21swapper/323:03:123
200784399123,5cyclictest0-21swapper/321:48:143
200784399123,5cyclictest0-21swapper/320:23:073
200784399122,6cyclictest0-21swapper/300:23:103
200784399122,5cyclictest0-21swapper/320:33:173
200784399121,6cyclictest0-21swapper/321:51:153
200784399120,6cyclictest0-21swapper/300:18:133
200784299125,4cyclictest2040257-21/usr/sbin/munin20:53:122
200784299124,6cyclictest0-21swapper/223:13:152
200784299123,5cyclictest2161410-21/usr/sbin/munin23:18:072
200784299122,8cyclictest2037830-21sendmail-msp20:48:152
200784299122,7cyclictest2025703-21ntp_kernel_pll_20:08:142
200784199125,4cyclictest2039869-21/usr/sbin/munin20:53:081
200784199123,7cyclictest2157585-21/usr/sbin/munin23:13:131
200784199123,6cyclictest2035522-21/usr/sbin/munin20:38:111
200784199122,7cyclictest2030122-21fschecks_count20:23:071
200784199122,5cyclictest2032195-21/usr/sbin/munin20:28:151
200784199121,9cyclictest1-21systemd19:46:141
200784199121,7cyclictest111788-21systemd-journal20:08:131
200784199121,4cyclictest11050irq/107-eth%d19:48:131
200784199121,1cyclictest171rcu_preempt00:38:161
200783999125,6cyclictest0-21swapper/020:23:060
200783999120,2cyclictest2026247-21uptime20:08:200
200784399114,4cyclictest0-21swapper/323:53:103
200784399113,5cyclictest0-21swapper/321:23:123
200784399113,4cyclictest0-21swapper/320:58:103
200784399113,4cyclictest0-21swapper/320:03:193
200784399112,6cyclictest0-21swapper/321:08:143
200784399111,7cyclictest0-21swapper/319:16:153
200784399111,6cyclictest0-21swapper/323:23:163
200784399111,6cyclictest0-21swapper/322:41:173
200784399111,6cyclictest0-21swapper/322:03:163
200784399111,6cyclictest0-21swapper/320:48:153
200784399111,6cyclictest0-21swapper/319:58:133
200784399111,5cyclictest0-21swapper/322:58:133
200784399111,5cyclictest0-21swapper/319:43:103
200784399110,7cyclictest0-21swapper/319:31:153
200784299115,4cyclictest0-21swapper/200:38:102
200784299114,4cyclictest2037169-21/usr/sbin/munin20:43:102
200784199111,8cyclictest2181136-21/usr/sbin/munin23:38:171
200784199111,6cyclictest2028911-21/usr/sbin/munin20:18:121
200784399103,4cyclictest0-21swapper/322:38:083
200784399103,3cyclictest0-21swapper/321:13:083
200784399102,6cyclictest0-21swapper/321:03:183
200784399102,6cyclictest0-21swapper/320:53:093
200784399102,5cyclictest0-21swapper/323:33:073
200784399102,4cyclictest0-21swapper/300:03:063
200784399101,5cyclictest0-21swapper/320:43:053
200784199103,4cyclictest2008089-21gpgv19:16:141
200784199101,3cyclictest2044327-21unixbench_singl21:03:201
20078439993,3cyclictest0-21swapper/320:28:093
20078439992,5cyclictest0-21swapper/319:53:083
20078439992,3cyclictest0-21swapper/321:58:063
20078439992,2cyclictest0-21swapper/319:38:083
20078439991,5cyclictest0-21swapper/319:16:153
20078439990,5cyclictest0-21swapper/319:23:093
20078439980,4cyclictest0-21swapper/320:16:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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