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2025-12-08 - 11:54
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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 Mon Dec 08, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4079441994736,6cyclictest0-21swapper/022:08:080
4079441994625,3cyclictest0-21swapper/021:45:130
4079442993930,7cyclictest1005-21mta-sts-daemon21:38:131
4079441993920,6cyclictest83352-21fschecks_count00:03:100
407944199358,21cyclictest0-21swapper/021:32:000
407944199341,25cyclictest0-21swapper/022:36:340
4079441993121,2cyclictest0-21swapper/021:37:000
407944199311,29cyclictest4174010-21ntpq22:13:120
407944199311,20cyclictest0-21swapper/000:07:120
407944299305,5cyclictest171rcu_preempt22:53:131
4079442993016,3cyclictest171rcu_preempt22:03:081
407944199301,5cyclictest4124554-21awk21:21:120
407944499294,3cyclictest11050irq/107-eth%d22:41:152
407944199291,21cyclictest0-21swapper/023:18:090
407944299287,13cyclictest28312-21ssh23:03:401
407944299283,8cyclictest4153643-21ssh21:51:481
407944299282,3cyclictest171rcu_preempt22:28:141
4079444992712,9cyclictest0-21swapper/222:46:482
407944299272,19cyclictest4079445-21systemd-run19:16:111
407944199274,18cyclictest4192978-21ntpq22:33:140
407944199273,17cyclictest14-21ksoftirqd/021:58:070
407944299267,10cyclictest11050irq/107-eth%d00:13:121
407944199263,4cyclictest14-21ksoftirqd/023:28:160
4079441992615,3cyclictest64627-21/usr/sbin/munin23:43:060
407944199260,17cyclictest0-21swapper/022:46:200
112699260,3rtkit-daemon1125-21rtkit-daemon20:28:370
407944299253,4cyclictest171rcu_preempt19:41:201
407944299253,4cyclictest171rcu_preempt19:41:201
407944199254,17cyclictest2243333-21munin-node23:33:470
407944199254,15cyclictest18257-21ssh22:53:130
4079441992521,3cyclictest111906-21cat00:38:090
407944199251,4cyclictest23092-21awk22:58:160
407944199251,16cyclictest78476-21ssh23:58:060
407944499247,15cyclictest619-21mta-sts-daemon23:33:152
407944299244,14cyclictest4168791-21/usr/sbin/munin22:08:081
407944299241,5cyclictest0-21swapper/123:16:141
407944199240,23cyclictest4185968-21sendmail-msp22:28:140
4079441992318,3cyclictest0-21swapper/019:51:170
4079441992314,7cyclictest29938-21sendmail-msp23:13:120
4079441992312,2cyclictest0-21swapper/021:51:370
407944499223,14cyclictest992-21lldpd23:08:232
4079444992214,5cyclictest4155708-21threads21:53:212
407944299223,17cyclictest79363-21ld23:58:131
407944199229,3cyclictest46711-21ssh23:23:120
407944199224,14cyclictest619-21mta-sts-daemon19:16:440
407944199223,18cyclictest92157-21apt-get00:13:120
407944199222,13cyclictest171rcu_preempt21:16:450
4079441992216,3cyclictest1005-21mta-sts-daemon22:20:550
4079441992214,7cyclictest151ktimers/019:33:160
407944199220,1cyclictest4133792-21munin-plugin-st21:31:110
407944299213,7cyclictest0-21swapper/123:48:151
407944199213,14cyclictest2243333-21munin-node22:23:460
4079441992118,2cyclictest26577-21/usr/sbin/munin23:03:050
407944199211,6cyclictest67908-21sendmail-msp23:53:140
407944199211,1cyclictest0-21swapper/020:18:170
407944499204,14cyclictest1008-21mta-sts-daemon00:13:122
407944499204,10cyclictest50416-21ssh23:28:042
407944499202,14cyclictest58-21kcompactd022:18:132
4079444992015,4cyclictest0-21swapper/219:38:122
4079444992012,6cyclictest1006-21mta-sts-daemon22:38:122
4079444992011,7cyclictest0-21swapper/222:08:142
407944299205,4cyclictest171rcu_preempt19:33:161
407944299202,4cyclictest4136115-21ntpq21:33:141
407944299202,2cyclictest171rcu_preempt19:18:121
407944199209,8cyclictest191rcuc/020:51:290
407944199205,8cyclictest4079398-21munin-run19:16:110
407944199205,11cyclictest60733-21ntp_kernel_pll_23:38:120
4079441992017,0cyclictest0-21swapper/000:43:150
407944199201,4cyclictest69715-21grep23:48:090
407944499192,5cyclictest0-21swapper/223:47:052
407944499192,11cyclictest4147976-21sendmail-msp21:47:592
407944299194,8cyclictest30154-21ssh23:06:121
407944299193,4cyclictest11050irq/107-eth%d23:38:461
407944299193,12cyclictest4178810-21ssh22:18:131
407944299192,13cyclictest4124614-21ssh21:21:141
407944299192,11cyclictest4192986-21ssh22:33:141
4079442991916,3cyclictest30466-21kworker/u8:3+events_unbound23:12:411
407944299191,4cyclictest171rcu_preempt21:51:121
407944199191,6cyclictest4097350-21ntpq20:08:140
4079441991915,2cyclictest34742-21cat23:11:130
407944199191,4cyclictest4118224-21cut21:13:100
407944699183,8cyclictest0-21swapper/300:13:123
407944499188,5cyclictest111788-21systemd-journal20:51:112
407944499187,5cyclictest84304-21timerandwakeup00:03:202
407944499186,3cyclictest11050irq/107-eth%d21:58:072
407944499185,11cyclictest1007-21mta-sts-daemon21:38:132
407944499183,14cyclictest4082760-21munin-run19:26:122
407944499183,11cyclictest259-21jbd2/mmcblk0p2-819:51:502
4079444991813,4cyclictest104868-21unixbench_singl00:28:232
407944299183,7cyclictest4091538-1kworker/1:0H+kblockd20:31:121
407944299181,5cyclictest0-21swapper/120:51:291
407944199184,10cyclictest111788-21systemd-journal21:08:090
407944199182,2cyclictest4150256-21ssh21:48:150
407944699172,7cyclictest0-21swapper/321:33:143
407944499176,8cyclictest4094203-21/usr/sbin/munin19:58:162
4079444991712,3cyclictest4187781-21gltestperf22:28:102
4079444991710,3cyclictest0-21swapper/219:48:142
4079444991710,3cyclictest0-21swapper/219:48:142
407944299177,7cyclictest271ktimers/122:38:121
407944299173,9cyclictest108092-21ssh00:33:081
407944299173,11cyclictest4119308-21diskmemload22:48:141
407944299172,2cyclictest11050irq/107-eth%d00:06:121
4079442991711,4cyclictest0-21swapper/123:35:581
407944199176,9cyclictest101893-21cat00:26:120
407944199173,4cyclictest0-21swapper/019:51:110
407944199173,4cyclictest0-21swapper/019:51:110
407944199173,2cyclictest0-21swapper/019:28:160
407944199172,2cyclictest0-21swapper/020:43:160
407944199172,12cyclictest4109446-21sendmail-msp20:48:150
4079441991713,3cyclictest0-21swapper/022:03:080
4079441991712,4cyclictest4088698-21ntp_kernel_pll_19:43:110
4079441991712,4cyclictest4088698-21ntp_kernel_pll_19:43:110
407944699163,7cyclictest0-21swapper/323:13:123
407944699163,5cyclictest0-21swapper/323:26:113
407944499164,8cyclictest87676-21/usr/sbin/munin00:08:092
407944499163,7cyclictest0-21swapper/221:21:122
407944499161,11cyclictest4102860-21sendmail-msp20:28:242
407944499160,3cyclictest4129114-21sendmail-msp21:31:272
407944299165,8cyclictest4093882-21/usr/sbin/munin19:58:111
407944299162,9cyclictest11455-21latency_hist22:46:121
407944299162,10cyclictest4185941-21grep22:26:111
407944299161,7cyclictest171rcu_preempt19:51:171
4079442991613,3cyclictest88134-21ntp_kernel_pll_00:08:121
4079442991611,3cyclictest0-21swapper/123:46:121
407944299160,5cyclictest11050irq/107-eth%d22:13:121
407944199166,3cyclictest171rcu_preempt20:33:100
407944199162,4cyclictest4115044-21grep21:03:080
407944199161,3cyclictest14-21ksoftirqd/000:31:120
112699160,1rtkit-daemon0-21swapper/221:04:452
407944699156,6cyclictest0-21swapper/322:08:083
407944699153,8cyclictest0-21swapper/323:28:163
407944699153,8cyclictest0-21swapper/319:51:173
407944699153,6cyclictest0-21swapper/319:33:163
407944499159,5cyclictest4131733-21xargs21:28:182
407944499159,5cyclictest0-21swapper/222:13:052
407944499159,4cyclictest0-21swapper/219:43:112
407944499159,4cyclictest0-21swapper/219:43:112
407944499153,9cyclictest36318-21fschecks_count23:13:072
4079444991512,3cyclictest4080465-21ntp_kernel_pll_19:18:122
4079444991512,2cyclictest23409-21unixbench_multi22:58:192
407944499151,12cyclictest41406-21fschecks_count23:18:072
407944499151,11cyclictest99830-21wc00:23:112
407944499151,11cyclictest4105112-21fschecks_time20:33:082
407944499151,10cyclictest4121076-21tune2fs21:18:082
4079444991510,3cyclictest1008-21mta-sts-daemon22:34:372
407944299156,6cyclictest4160252-21/usr/sbin/munin21:58:161
407944299156,5cyclictest22172-21ssh22:58:081
407944299152,7cyclictest112113-21ssh00:38:111
407944299151,8cyclictest764-21rs:main1
407944299151,10cyclictest4102860-21sendmail-msp20:33:091
407944199159,5cyclictest151ktimers/022:43:120
407944199157,2cyclictest14-21ksoftirqd/000:33:120
407944199150,3cyclictest4094594-21grep20:01:120
112699150,8rtkit-daemon1008-21mta-sts-daemon21:11:351
112699150,0rtkit-daemon0-21swapper/120:57:251
407944699145,4cyclictest0-21swapper/319:48:143
407944699145,4cyclictest0-21swapper/319:48:143
407944699143,6cyclictest0-21swapper/300:03:113
407944699143,5cyclictest0-21swapper/320:48:483
407944699141,8cyclictest0-21swapper/322:18:123
407944499149,3cyclictest4107116-21needreboot20:38:122
407944499148,4cyclictest48741-21sshd23:25:412
407944499145,7cyclictest65187-21/usr/sbin/munin23:43:102
407944499145,5cyclictest4095259-21/usr/sbin/munin20:03:072
407944499144,9cyclictest4183134-21ssh22:23:092
407944499143,6cyclictest60297-21ssh23:38:082
407944499142,9cyclictest4085658-21/usr/sbin/munin19:33:222
407944499142,8cyclictest111788-21systemd-journal21:46:122
407944499141,9cyclictest4119498-21latency_hist21:16:122
4079444991411,2cyclictest0-21swapper/222:53:192
407944499141,10cyclictest4099951-21/usr/sbin/munin20:18:082
4079444991410,3cyclictest95820-21cut00:18:092
407944299149,3cyclictest4106647-21fschecks_count20:38:091
407944299143,9cyclictest4091538-1kworker/1:0H+kblockd20:13:171
407944299142,9cyclictest4095892-21/usr/sbin/munin20:03:161
407944299142,8cyclictest4116249-21/usr/sbin/munin21:08:091
407944299141,2cyclictest11050irq/107-eth%d21:43:311
4079442991411,2cyclictest51501-21proc_pri23:28:181
4079442991410,3cyclictest4096269-21sendmail-msp20:08:201
407944299140,10cyclictest4086980-21/usr/sbin/munin19:38:101
407944199142,3cyclictest171rcu_preempt19:23:100
4079441991412,2cyclictest191rcuc/019:38:050
4079441991410,3cyclictest4099545-21idleruntime-cro20:16:110
407944199140,13cyclictest95572-21aten_r2power_fr00:18:070
407944699134,5cyclictest0-21swapper/322:33:143
407944699133,6cyclictest0-21swapper/323:33:093
407944699132,6cyclictest0-21swapper/320:38:143
407944699131,7cyclictest0-21swapper/321:23:093
407944499139,3cyclictest0-21swapper/223:03:062
407944499133,7cyclictest111788-21systemd-journal21:08:152
407944499132,8cyclictest74307-21rm23:53:102
407944499132,8cyclictest4163795-21/usr/sbin/munin22:03:062
407944499132,8cyclictest4111303-21/usr/sbin/munin20:53:062
407944499132,8cyclictest114062-21munin-run00:41:122
407944499131,10cyclictest4096269-21sendmail-msp20:08:132
407944299137,5cyclictest1008-21mta-sts-daemon00:43:141
407944299135,7cyclictest100486-21sed00:23:181
407944299134,5cyclictest4091538-1kworker/1:0H+kblockd23:51:281
407944299133,8cyclictest95463-21/usr/sbin/munin00:18:101
407944299133,8cyclictest4129114-21sendmail-msp21:28:141
407944299133,7cyclictest4122147-21ssh21:18:191
407944299132,8cyclictest4108002-21/usr/sbin/munin20:43:181
407944299131,8cyclictest102531-21ssh00:26:181
407944299131,11cyclictest49062-21cron23:26:111
407944199132,7cyclictest4094863-21aten_r2power_cu20:03:050
407944199130,8cyclictest4112942-21/usr/sbin/munin20:58:200
407944199130,8cyclictest0-21swapper/020:23:060
407944199130,2cyclictest191rcuc/020:41:120
407944699123,7cyclictest0-21swapper/322:12:533
407944699123,6cyclictest0-21swapper/323:38:083
407944699123,5cyclictest0-21swapper/319:28:163
407944699123,4cyclictest0-21swapper/323:48:153
407944699123,4cyclictest0-21swapper/319:38:173
407944699122,7cyclictest0-21swapper/321:54:213
407944699122,6cyclictest0-21swapper/322:28:143
407944699122,5cyclictest0-21swapper/322:41:143
407944699122,4cyclictest0-21swapper/322:46:483
407944699121,6cyclictest0-21swapper/323:58:063
407944699121,6cyclictest0-21swapper/300:08:153
407944499124,5cyclictest111788-21systemd-journal00:46:112
407944499123,5cyclictest69-21kswapd019:16:112
407944499122,9cyclictest79259-21/usr/sbin/munin23:58:112
407944499121,8cyclictest4098493-21fschecks_time20:13:112
407944499121,8cyclictest111788-21systemd-journal00:33:192
407944499121,6cyclictest111788-21systemd-journal19:28:152
407944499120,9cyclictest4109456-21pluginstate20:46:122
407944299129,2cyclictest4115936-21unixbench_singl21:03:181
407944299126,5cyclictest0-21swapper/119:28:111
407944299122,7cyclictest4089664-21/usr/sbin/munin19:48:051
407944299122,7cyclictest4089664-21/usr/sbin/munin19:48:051
407944299120,9cyclictest4081602-21grep19:23:071
407944299120,7cyclictest4103001-21cat20:26:121
407944699114,3cyclictest0-21swapper/320:16:023
407944699113,6cyclictest0-21swapper/322:53:133
407944699113,5cyclictest0-21swapper/323:43:103
407944699113,5cyclictest0-21swapper/319:59:553
407944699113,4cyclictest0-21swapper/323:53:113
407944699112,6cyclictest0-21swapper/321:13:183
407944699112,5cyclictest0-21swapper/323:03:083
407944699112,5cyclictest0-21swapper/322:03:083
407944699112,5cyclictest0-21swapper/321:28:053
407944699112,5cyclictest0-21swapper/300:43:083
407944699112,5cyclictest0-21swapper/300:26:393
407944699111,6cyclictest0-21swapper/320:43:113
407944699111,5cyclictest0-21swapper/320:03:123
407944699110,7cyclictest0-21swapper/320:18:113
407944699110,6cyclictest0-21swapper/300:23:093
407944699110,5cyclictest0-21swapper/322:23:043
407944499116,4cyclictest1007-21mta-sts-daemon20:23:152
407944299112,5cyclictest4099771-21/usr/sbin/munin20:18:071
407944699103,4cyclictest0-21swapper/321:08:093
407944699103,4cyclictest0-21swapper/320:06:223
407944699103,3cyclictest0-21swapper/320:23:123
407944699102,6cyclictest0-21swapper/323:08:233
407944699102,4cyclictest0-21swapper/320:33:103
407944699102,4cyclictest0-21swapper/319:43:083
407944699102,4cyclictest0-21swapper/319:43:083
407944699102,3cyclictest0-21swapper/321:41:273
407944699101,6cyclictest0-21swapper/321:48:123
407944699101,5cyclictest0-21swapper/322:58:153
407944699101,5cyclictest0-21swapper/321:18:073
407944699101,5cyclictest0-21swapper/321:03:103
407944699101,5cyclictest0-21swapper/320:58:123
407944699101,5cyclictest0-21swapper/320:26:153
407944699101,5cyclictest0-21swapper/319:23:073
407944499106,3cyclictest0-21swapper/220:58:082
40794469996,2cyclictest0-21swapper/323:16:143
40794469994,3cyclictest0-21swapper/321:36:283
40794469993,4cyclictest0-21swapper/322:38:093
40794469993,3cyclictest0-21swapper/320:53:063
40794469993,3cyclictest0-21swapper/300:18:123
40794469992,5cyclictest0-21swapper/321:58:063
40794469984,3cyclictest0-21swapper/300:33:173
40794469981,5cyclictest0-21swapper/319:16:123
40794469972,3cyclictest0-21swapper/300:38:063
40794469951,3cyclictest0-21swapper/319:16:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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