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2025-11-26 - 11:06
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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 Wed Nov 26, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3598452997438,23cyclictest3770370-21ssh23:46:050
359845299545,36cyclictest0-21swapper/023:08:420
359845299462,24cyclictest3700022-21munin-run22:26:010
359845299444,24cyclictest0-21swapper/023:43:030
359845299381,21cyclictest0-21swapper/023:21:530
3598454993724,8cyclictest3769752-21apt-get23:46:062
3598453993522,8cyclictest764-21rs:main1
359845499345,8cyclictest0-21swapper/200:18:032
359845399327,6cyclictest171rcu_preempt23:58:061
359845299324,6cyclictest0-21swapper/000:15:270
359845299322,3cyclictest3717496-21ssh22:46:020
3598452993220,11cyclictest1006-21mta-sts-daemon22:13:590
359845299313,6cyclictest0-21swapper/023:54:340
359845299312,26cyclictest0-21swapper/021:43:040
3598452993120,1cyclictest0-21swapper/022:18:100
3598453992920,8cyclictest3598451-21cyclictest00:26:051
359845299297,15cyclictest619-21mta-sts-daemon00:33:070
359845299294,20cyclictest111788-21systemd-journal23:13:100
359845299292,9cyclictest3792481-21apt-config00:11:020
3598454992818,7cyclictest0-21swapper/200:26:052
359845399281,11cyclictest3804803-21ssh00:26:011
359845399274,10cyclictest171rcu_preempt22:33:051
3598453992716,9cyclictest0-21swapper/122:13:021
359845299273,15cyclictest58-21kcompactd021:31:060
359845299272,22cyclictest3798602-21/usr/sbin/munin00:18:030
3598454992611,2cyclictest11050irq/107-eth%d20:48:082
359845399263,17cyclictest11050irq/107-eth%d23:46:071
3598452992624,1cyclictest3713214-21ssh22:41:010
359845399253,6cyclictest171rcu_preempt22:38:051
359845399253,5cyclictest171rcu_preempt23:18:081
359845399252,5cyclictest171rcu_preempt21:53:121
359845299250,23cyclictest3646389-21ssh21:24:340
359845299250,16cyclictest3628410-21kworker/u8:1+rpciod20:53:000
3598454992412,7cyclictest259-21jbd2/mmcblk0p2-800:11:022
3598453992417,5cyclictest0-21swapper/123:51:511
359845299249,11cyclictest3700044-21sendmail-msp22:27:590
3598452992411,7cyclictest0-21swapper/021:53:090
359845299240,2cyclictest3666659-21cut21:48:030
359845399238,13cyclictest0-21swapper/120:41:041
359845399234,4cyclictest171rcu_preempt00:15:271
3598452992317,1cyclictest0-21swapper/000:23:080
359845299231,21cyclictest3625836-21ntpq20:38:060
359845299230,2cyclictest3780724-21cut23:58:020
359845499229,6cyclictest11050irq/107-eth%d00:03:072
359845499228,2cyclictest11050irq/107-eth%d22:27:592
359845499223,14cyclictest3745905-21ntpq23:18:082
359845499222,6cyclictest3792900-21ssh00:11:102
3598454992214,5cyclictest0-21swapper/223:33:052
359845399225,12cyclictest619-21mta-sts-daemon00:06:111
3598453992216,5cyclictest0-21swapper/100:33:051
3598452992220,1cyclictest0-21swapper/023:31:020
359845299221,21cyclictest0-21swapper/022:08:090
359845299221,21cyclictest0-21swapper/022:08:090
359845299220,16cyclictest3616552-21cron20:11:010
359845499214,15cyclictest3735086-21sendmail-msp23:07:062
359845499214,13cyclictest3682328-21sendmail-msp22:13:592
3598454992116,3cyclictest3710289-21fschecks_count22:38:012
359845399212,15cyclictest3617073-21cut20:13:051
359845399212,13cyclictest619-21mta-sts-daemon21:31:061
3598453992118,2cyclictest3721903-21cron22:51:011
359845399211,6cyclictest171rcu_preempt00:38:071
359845299219,6cyclictest3640308-21/usr/sbin/munin21:18:030
359845299219,0cyclictest0-21swapper/022:53:070
359845299217,6cyclictest3598406-21munin-run19:16:010
3598452992121,0cyclictest0-21swapper/019:58:060
3598452992119,1cyclictest0-21swapper/021:28:390
359845299211,12cyclictest0-21swapper/021:41:010
359845499202,10cyclictest11050irq/107-eth%d21:03:062
359845399202,17cyclictest3665949-21ssh21:47:251
359845299205,8cyclictest11050irq/107-eth%d23:38:050
359845499196,10cyclictest3728524-21ntpq22:58:052
359845499195,8cyclictest3649448-21ntpq21:28:062
359845499192,15cyclictest3601774-21munin-run19:26:012
359845499192,15cyclictest1005-21mta-sts-daemon20:41:042
3598454991915,1cyclictest0-21swapper/223:13:082
359845399193,11cyclictest3682304-21awk22:06:011
359845399193,10cyclictest3600595-21fschecks_count19:23:001
359845399192,8cyclictest259-21jbd2/mmcblk0p2-822:06:021
359845399192,8cyclictest259-21jbd2/mmcblk0p2-822:06:021
359845399192,16cyclictest3606858-21cat19:41:011
3598452991913,2cyclictest0-21swapper/022:58:370
359845499185,11cyclictest3693609-21/usr/sbin/munin22:18:062
359845499183,14cyclictest3684633-21ssh22:08:102
359845499183,14cyclictest3684633-21ssh22:08:102
359845499182,10cyclictest3726552-21grep22:56:012
359845499181,2cyclictest0-21swapper/223:58:042
3598454991812,3cyclictest0-21swapper/222:48:082
359845399184,9cyclictest11050irq/107-eth%d00:18:071
359845399182,12cyclictest3621522-21sendmail-msp20:33:091
359845399181,4cyclictest171rcu_preempt21:58:051
3598453991812,4cyclictest3739404-21cat23:11:021
3598453991810,6cyclictest0-21swapper/122:17:591
359845299186,4cyclictest11050irq/107-eth%d20:19:180
359845299186,2cyclictest0-21swapper/023:03:070
359845299183,8cyclictest3718832-21/usr/sbin/munin22:47:580
359845299183,13cyclictest3700044-21sendmail-msp22:33:070
3598452991818,0cyclictest0-21swapper/019:48:040
3598452991816,1cyclictest3806462-21grep00:28:040
3598452991812,2cyclictest3752503-21sendmail-msp23:26:020
359845299181,14cyclictest3632281-21fschecks_count20:58:010
112699180,4rtkit-daemon1125-21rtkit-daemon19:35:352
3598454991714,2cyclictest1005-21mta-sts-daemon19:58:112
3598454991713,3cyclictest3642832-21cron21:21:012
359845399177,6cyclictest3621522-21sendmail-msp20:28:091
3598453991715,1cyclictest1007-21mta-sts-daemon19:33:071
3598453991713,2cyclictest3621422-21unixbench_singl20:23:111
3598453991713,2cyclictest3621422-21unixbench_singl20:23:111
359845399171,10cyclictest3700017-21apt22:26:011
359845399170,11cyclictest3626436-21munin-plugin-st20:41:011
359845299174,11cyclictest1006-21mta-sts-daemon21:08:060
359845299173,5cyclictest3814467-21ssh00:38:070
359845299172,11cyclictest3608304-21apt19:46:010
3598452991713,3cyclictest3605630-21fschecks_time19:38:030
359845299171,13cyclictest3598969-21tune2fs19:17:590
359845299170,10cyclictest3787824-21sendmail-msp00:06:010
112699170,3rtkit-daemon1125-21rtkit-daemon20:51:141
359845599163,7cyclictest0-21swapper/300:11:103
359845499168,6cyclictest3752503-21sendmail-msp23:28:122
359845499164,9cyclictest3601763-21sendmail-msp19:28:072
359845499163,9cyclictest111788-21systemd-journal20:08:062
359845499162,8cyclictest111788-21systemd-journal21:33:472
3598454991612,3cyclictest0-21swapper/200:43:022
359845399165,7cyclictest3758674-21ssh23:33:061
359845399165,7cyclictest1007-21mta-sts-daemon21:43:071
359845399163,6cyclictest11050irq/107-eth%d23:28:111
359845399162,13cyclictest3784787-21aten_r2power_fr00:03:011
3598453991612,3cyclictest3598951-21grep19:17:591
3598453991612,2cyclictest3766680-21/usr/sbin/munin23:42:591
359845399161,14cyclictest3635569-21fschecks_count21:08:011
3598453991610,4cyclictest3614795-21grep20:03:121
359845299168,1cyclictest0-21swapper/021:58:100
359845299166,1cyclictest0-21swapper/020:22:580
359845299166,1cyclictest0-21swapper/020:22:580
359845299163,11cyclictest764-21rs:main0
3598452991615,1cyclictest0-21swapper/023:18:030
3598452991611,5cyclictest3601974-1kworker/0:1H+mmc_complete19:52:590
359845299161,12cyclictest3638247-21sed21:13:140
359845599151,9cyclictest0-21swapper/323:13:093
359845599151,7cyclictest0-21swapper/323:46:073
359845499159,5cyclictest3700031-21sendmail22:26:012
359845499155,8cyclictest3644938-21ssh21:23:062
359845499154,5cyclictest0-21swapper/223:21:532
359845499152,9cyclictest1007-21mta-sts-daemon21:48:132
359845499152,11cyclictest3617720-21/usr/sbin/munin20:13:122
359845499151,11cyclictest3632282-21cut20:58:012
359845399159,3cyclictest0-21swapper/121:03:081
359845399154,8cyclictest619-21mta-sts-daemon21:23:131
359845399153,8cyclictest3724079-21/usr/sbin/munin22:53:031
359845399153,6cyclictest3762314-21ssh23:37:581
359845399153,10cyclictest111788-21systemd-journal20:08:051
359845399152,10cyclictest3735244-21latency_hist23:06:011
359845399152,10cyclictest3648905-21fschecks_time21:28:011
359845399151,9cyclictest3611021-21ntpq19:53:071
3598453991512,2cyclictest3660628-21unin-run21:41:011
3598453991512,2cyclictest0-21swapper/122:43:111
359845299157,2cyclictest0-21swapper/022:03:020
359845299154,9cyclictest3601740-21systemctl19:26:010
359845299154,1cyclictest0-21swapper/000:43:090
3598452991511,3cyclictest111788-21systemd-journal20:13:030
359845599144,5cyclictest0-21swapper/321:53:123
359845599144,4cyclictest0-21swapper/321:23:033
359845599143,6cyclictest0-21swapper/321:58:053
359845599142,7cyclictest0-21swapper/322:11:093
359845599142,6cyclictest0-21swapper/320:58:063
359845499149,3cyclictest0-21swapper/221:13:082
359845499147,6cyclictest3775835-21aten_r2power_fr23:52:592
359845499147,5cyclictest0-21swapper/200:23:062
359845499147,3cyclictest3658321-21/usr/sbin/munin21:38:102
359845499145,8cyclictest0-21swapper/221:53:062
359845499145,7cyclictest0-21swapper/221:42:592
359845499145,6cyclictest3763321-21/usr/sbin/munin23:38:072
359845499143,8cyclictest3705944-21ssh22:33:002
359845499143,8cyclictest3598629-21latency_hist19:16:012
359845499142,9cyclictest3804848-21sendmail-msp00:32:282
359845499142,8cyclictest3605620-21fschecks_time19:38:022
3598454991411,2cyclictest3816387-21cron00:41:012
359845499141,11cyclictest3624680-21grep20:33:132
359845399144,7cyclictest1008-21mta-sts-daemon22:58:051
359845399143,7cyclictest3641211-21/usr/sbin/munin21:18:121
359845399142,9cyclictest3749355-21/usr/sbin/munin23:23:011
359845399142,8cyclictest3612896-21/usr/sbin/munin19:58:091
359845399141,10cyclictest3603108-21find19:28:141
359845299143,8cyclictest3627986-21/usr/sbin/munin20:43:070
359845299143,1cyclictest3614280-21ntpq20:03:050
359845299142,9cyclictest3628673-21/usr/sbin/munin20:48:120
359845299142,9cyclictest3603953-21fschecks_time19:33:030
359845599134,4cyclictest0-21swapper/300:06:113
359845599133,5cyclictest0-21swapper/320:41:043
359845599133,5cyclictest0-21swapper/320:03:053
359845599132,6cyclictest0-21swapper/322:53:083
359845599132,6cyclictest0-21swapper/319:43:043
359845599131,6cyclictest0-21swapper/323:06:013
359845599131,6cyclictest0-21swapper/321:28:073
359845499135,6cyclictest3635572-21fschecks_count21:08:012
359845499133,6cyclictest3679599-21fschecks_time22:03:022
359845499132,9cyclictest3767262-21/usr/sbin/munin23:43:032
359845499132,8cyclictest3735054-21munin-run23:06:012
359845499132,10cyclictest3622125-21grep20:28:032
359845499132,10cyclictest3609901-21grep19:48:122
359845499131,9cyclictest0-21swapper/220:38:032
359845499131,7cyclictest3620381-21fschecks_count20:23:012
359845499131,7cyclictest3620381-21fschecks_count20:23:012
359845399138,4cyclictest3637237-21fschecks_time21:13:031
359845399132,6cyclictest3631952-21/usr/sbin/munin20:58:071
359845399131,8cyclictest3619832-21cron20:21:021
359845399131,6cyclictest3607186-21fschecks_count19:43:001
359845399131,10cyclictest3818402-21ntp_states00:43:091
359845399131,10cyclictest3735086-21sendmail-msp23:11:241
359845299137,1cyclictest0-21swapper/021:03:060
359845599124,5cyclictest0-21swapper/319:23:053
359845599124,4cyclictest0-21swapper/322:43:023
359845599124,4cyclictest0-21swapper/322:06:013
359845599123,6cyclictest0-21swapper/300:03:053
359845599123,5cyclictest0-21swapper/323:28:093
359845599123,5cyclictest0-21swapper/320:53:053
359845599123,5cyclictest0-21swapper/319:17:593
359845599123,4cyclictest0-21swapper/322:33:053
359845599122,6cyclictest0-21swapper/323:33:113
359845599122,6cyclictest0-21swapper/321:31:053
359845599122,5cyclictest0-21swapper/322:58:013
359845599122,5cyclictest0-21swapper/322:47:583
359845599122,5cyclictest0-21swapper/319:57:593
359845599122,4cyclictest0-21swapper/320:47:593
359845599121,7cyclictest0-21swapper/321:49:293
359845599121,6cyclictest0-21swapper/323:52:453
359845599121,6cyclictest0-21swapper/323:23:023
359845599121,6cyclictest0-21swapper/322:38:043
359845599121,5cyclictest0-21swapper/321:07:593
359845499124,5cyclictest3598814-21/usr/sbin/munin19:17:582
359845499123,7cyclictest3613784-21fschecks_count20:03:022
359845499123,6cyclictest3714800-21cut22:43:052
359845499123,5cyclictest3630680-21fschecks_time20:53:032
359845499121,9cyclictest3619782-21sed20:18:122
359845499121,8cyclictest3608340-21sendmail-msp19:53:032
359845499121,7cyclictest3674855-21sort21:57:582
359845399122,9cyclictest3598628-21grep19:16:011
359845399121,9cyclictest3608887-21fschecks_count19:48:021
359845299128,3cyclictest0-21swapper/020:33:020
359845299120,10cyclictest3602281-21grep19:28:030
359845599114,5cyclictest0-21swapper/323:37:593
359845599114,3cyclictest0-21swapper/319:28:083
359845599113,5cyclictest0-21swapper/322:26:043
359845599113,5cyclictest0-21swapper/319:53:053
359845599113,5cyclictest0-21swapper/300:38:073
359845599113,4cyclictest0-21swapper/323:42:593
359845599113,4cyclictest0-21swapper/300:43:033
359845599112,6cyclictest0-21swapper/322:06:023
359845599112,6cyclictest0-21swapper/322:06:023
359845599112,4cyclictest0-21swapper/319:46:023
359845599112,3cyclictest0-21swapper/323:16:563
359845599112,3cyclictest0-21swapper/300:16:313
359845599111,6cyclictest0-21swapper/320:33:093
359845599111,6cyclictest0-21swapper/300:33:093
359845599111,6cyclictest0-21swapper/300:24:023
359845399111,7cyclictest3628946-21/usr/sbin/munin20:48:011
359845599105,3cyclictest0-21swapper/322:26:013
359845599104,3cyclictest0-21swapper/321:18:063
359845599104,2cyclictest0-21swapper/321:42:233
359845599103,5cyclictest0-21swapper/321:38:023
359845599103,5cyclictest0-21swapper/300:26:033
359845599100,4cyclictest0-21swapper/322:17:583
359845499100,2cyclictest11050irq/107-eth%d19:42:592
35984559993,4cyclictest0-21swapper/320:18:083
35984559993,4cyclictest0-21swapper/320:07:593
35984559993,2cyclictest0-21swapper/319:38:003
35984559992,4cyclictest0-21swapper/323:08:013
35984559992,3cyclictest0-21swapper/320:22:583
35984559992,3cyclictest0-21swapper/320:22:583
35984559992,3cyclictest0-21swapper/320:13:023
35984559991,4cyclictest0-21swapper/320:27:593
35984559990,5cyclictest0-21swapper/323:58:013
35984559983,3cyclictest0-21swapper/321:03:023
35984559982,3cyclictest0-21swapper/319:33:003
35984559981,5cyclictest0-21swapper/320:38:033
35984559972,3cyclictest0-21swapper/321:13:013
35984559951,2cyclictest0-21swapper/319:16:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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