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2025-12-10 - 06:44
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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 all highest latencies:
System rack2slot7.osadl.org (updated Wed Dec 10, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4091795994318,10cyclictest121745-21ssh00:23:140
4091795993919,6cyclictest2243333-21munin-node23:18:060
409179599388,12cyclictest29322-21ntpq22:48:150
409179599385,3cyclictest4137005-21apt-get21:21:150
4091795993832,3cyclictest66573-21latency_hist23:26:140
4091795993818,3cyclictest0-21swapper/022:43:130
409179599375,6cyclictest49321-21ssh23:08:190
409179599363,7cyclictest88946-21ld23:48:130
409179599363,7cyclictest88946-21ld23:48:130
4091795993618,13cyclictest83834-21ntpq23:43:120
4091795993612,4cyclictest0-21swapper/021:16:330
409179599354,6cyclictest99031-21ntpq23:58:160
409179999343,3cyclictest171rcu_preempt21:41:172
409179599345,6cyclictest8111-21ssh22:27:110
409179599339,13cyclictest78148-21aten_r2power_vo23:38:080
409179599339,13cyclictest78148-21aten_r2power_vo23:38:080
409179999327,8cyclictest11050irq/107-eth%d21:49:212
409179599323,5cyclictest0-21swapper/021:56:200
4091795993217,10cyclictest0-21swapper/000:06:270
409179599321,12cyclictest4098929-21cut19:38:080
409179599320,8cyclictest4144540-21ntpq21:28:160
409179599320,8cyclictest4144540-21ntpq21:28:160
4091796993119,9cyclictest0-21swapper/119:16:131
409179599313,7cyclictest2569-21rm22:21:170
409179599313,3cyclictest4128379-21sendmail-msp21:08:290
4091795993118,1cyclictest0-21swapper/000:38:130
409179599311,6cyclictest4178779-21ntpq22:03:130
409179599311,4cyclictest4193318-21ntpq22:18:110
409179599307,5cyclictest4182057-1kworker/0:0H+kblockd23:53:050
409179599302,8cyclictest4092287-21grep19:18:090
409179599301,10cyclictest4098437-21latency_hist19:36:140
409179999293,5cyclictest171rcu_preempt00:18:122
4091796992921,5cyclictest140150-21ssh00:43:491
409179599292,9cyclictest4153686-21grep21:38:090
409179599292,5cyclictest112667-21ld00:13:160
4091795992913,10cyclictest103335-21idleruntime00:03:080
409179599291,11cyclictest607-21dbus-daemon19:16:130
409179699281,9cyclictest11050irq/107-eth%d21:21:161
409179599289,16cyclictest43402-21sh23:03:060
409179599287,19cyclictest762-21in:imuxsock20:08:190
409179599286,17cyclictest0-21swapper/020:28:160
409179599282,7cyclictest139368-21ntpq00:43:170
409179599281,7cyclictest126111-21fschecks_time00:28:110
4091795992812,11cyclictest4187533-21/usr/sbin/munin22:13:180
409179599277,17cyclictest4130591-1kworker/0:2H+kblockd22:06:170
409179599274,8cyclictest1006-21mta-sts-daemon20:41:160
409179599271,8cyclictest111788-21systemd-journal23:11:140
409179999263,19cyclictest111788-21systemd-journal00:26:192
409179999261,4cyclictest171rcu_preempt23:08:232
409179599268,16cyclictest0-21swapper/000:18:080
409179599265,13cyclictest1006-21mta-sts-daemon21:31:300
409179599265,12cyclictest762-21in:imuxsock21:53:130
409179599262,8cyclictest18476-21/usr/sbin/munin22:38:090
409179599261,9cyclictest4113777-21grep20:23:080
409179599261,5cyclictest4132092-21grep21:16:150
409179599260,23cyclictest4104954-21munin-run19:56:130
4091796992517,5cyclictest259-21jbd2/mmcblk0p2-823:31:141
409179599253,7cyclictest4101988-21/usr/sbin/munin19:48:060
409179599252,5cyclictest4110515-21tune2fs20:13:110
4091795992516,5cyclictest4161975-21sendmail-msp21:50:590
409179599251,5cyclictest4120053-21sed20:41:140
409179599251,4cyclictest0-21swapper/022:53:130
409179699248,11cyclictest4132005-21diskmemload21:41:171
409179699246,1cyclictest171rcu_preempt23:18:121
409179599248,2cyclictest4101571-21grep19:43:160
409179599246,14cyclictest4157321-21packagekitd21:41:170
409179599242,7cyclictest38829-21grep22:58:100
409179599242,7cyclictest11050irq/107-eth%d21:06:140
409179599242,5cyclictest66392-21sendmail-msp23:33:470
409179599240,18cyclictest0-21swapper/022:33:080
409179599233,5cyclictest67921-21head23:28:060
409179599231,8cyclictest0-21swapper/019:23:100
409179599231,6cyclictest4125363-21aten2.4-expect20:58:080
409179599231,3cyclictest130243-21fschecks_time00:33:090
409179599230,3cyclictest4112094-21fschecks_count20:18:120
409179699223,3cyclictest171rcu_preempt00:26:141
4091796992218,3cyclictest4118667-21fschecks_count20:38:071
409179599225,2cyclictest0-21swapper/020:03:080
409179599223,7cyclictest0-21swapper/020:53:150
409179599221,6cyclictest4123612-21latency_hist20:51:160
409179599213,3cyclictest4095452-21head19:28:060
409179999204,10cyclictest51977-21ssh23:11:142
409179999203,14cyclictest123977-21apt-get00:26:132
409179999203,13cyclictest4137613-21apt-get21:21:152
4091799992017,2cyclictest23633-21gltestperf22:43:082
4091799992010,7cyclictest11050irq/107-eth%d23:43:122
409179699204,14cyclictest111788-21systemd-journal00:11:281
409179699202,14cyclictest4181263-21sendmail-msp22:08:141
4091796992017,2cyclictest135500-21unixbench_multi00:38:191
409179699201,4cyclictest4193439-21/usr/sbin/munin22:18:131
4091796992013,6cyclictest1007-21mta-sts-daemon23:38:131
4091796992013,6cyclictest1007-21mta-sts-daemon23:38:131
4091796992012,4cyclictest4181263-21sendmail-msp22:13:061
409179599202,6cyclictest4105178-21/usr/sbin/munin19:58:080
409179599201,5cyclictest4116744-21/usr/sbin/munin20:33:050
409179999198,6cyclictest111788-21systemd-journal00:06:272
409179999195,9cyclictest4183601-21ntpq22:08:142
409179999193,12cyclictest29293-21ssh22:48:142
409179999192,1cyclictest58-21kcompactd022:28:172
409179699194,2cyclictest11050irq/107-eth%d00:11:131
409179699194,11cyclictest4115933-21/usr/sbin/munin20:28:161
409179699192,7cyclictest13934-21/usr/sbin/munin22:33:091
409179699192,1cyclictest4102714-21ntpq19:48:131
409179699192,13cyclictest4120343-21apt-get20:41:161
409180099183,8cyclictest0-21swapper/323:08:233
409179999189,5cyclictest0-21swapper/200:38:102
4091799991814,3cyclictest81497-21cron23:41:132
4091799991814,3cyclictest81497-21cron23:41:132
409179999181,1cyclictest171rcu_preempt23:21:262
4091796991812,5cyclictest967-21snmpd20:48:151
409179699180,14cyclictest68877-21ntp_states23:28:151
409180099173,7cyclictest0-21swapper/322:28:173
409180099173,7cyclictest0-21swapper/322:08:143
409180099173,7cyclictest0-21swapper/300:38:133
409180099172,9cyclictest0-21swapper/323:33:153
409180099172,9cyclictest0-21swapper/321:21:143
409179999173,10cyclictest111788-21systemd-journal22:13:062
409179999171,9cyclictest1005-21mta-sts-daemon21:51:302
409179999171,6cyclictest1005-21mta-sts-daemon21:28:152
409179999171,6cyclictest1005-21mta-sts-daemon21:28:152
409179999171,3cyclictest0-21swapper/223:51:592
409179999171,2cyclictest11050irq/107-eth%d22:53:132
409179699171,6cyclictest11050irq/107-eth%d22:50:561
112699170,2rtkit-daemon1125-21rtkit-daemon23:03:432
409180099162,6cyclictest0-21swapper/322:53:133
409179999164,9cyclictest4153845-21/usr/sbin/munin21:38:102
4091799991613,2cyclictest4126694-21cron21:01:142
4091799991613,2cyclictest0-21swapper/221:06:142
4091799991612,3cyclictest4108218-21cron20:06:132
4091799991611,4cyclictest341rcuc/219:56:132
4091799991610,5cyclictest0-21swapper/222:34:282
409179699167,7cyclictest23135-21/usr/sbin/munin22:43:131
409179699164,9cyclictest0-21swapper/123:08:231
409179699161,3cyclictest171rcu_preempt21:28:171
409179699161,3cyclictest171rcu_preempt21:28:171
4091796991613,2cyclictest0-21swapper/123:43:121
4091796991611,4cyclictest4130289-21unixbench_singl21:08:211
409179699161,14cyclictest1007-21mta-sts-daemon20:23:121
4091796991611,3cyclictest19900-21grep22:38:211
409179699161,12cyclictest4128351-21awk21:06:131
112699160,2rtkit-daemon1125-21rtkit-daemon20:25:572
409180099156,5cyclictest0-21swapper/320:28:163
409180099154,7cyclictest0-21swapper/323:38:153
409180099154,7cyclictest0-21swapper/323:38:153
409180099152,6cyclictest0-21swapper/322:23:093
409180099152,6cyclictest0-21swapper/300:06:273
409180099152,5cyclictest0-21swapper/300:18:113
409179999157,5cyclictest141510-21idleruntime-cro00:46:142
409179999152,8cyclictest4100237-21/usr/sbin/munin19:43:042
409179999152,1cyclictest11050irq/107-eth%d21:13:252
4091799991512,2cyclictest4118062-21unixbench_singl20:33:192
4091799991512,2cyclictest4097376-21gltestperf19:33:092
4091799991512,2cyclictest1007-21mta-sts-daemon22:23:132
4091799991510,3cyclictest4094057-21grep19:23:082
409179999150,2cyclictest11050irq/107-eth%d21:58:142
409179699159,2cyclictest4142245-21sendmail-msp21:31:301
409179699158,4cyclictest0-21swapper/122:27:111
409179699153,8cyclictest4105784-21/usr/sbin/munin19:58:091
409179699153,6cyclictest4133510-21/usr/sbin/munin21:18:061
409179699150,3cyclictest44852-21unixbench_singl23:03:191
409180099146,4cyclictest0-21swapper/320:41:163
409180099144,6cyclictest0-21swapper/323:53:143
409180099144,4cyclictest0-21swapper/321:53:063
409180099143,6cyclictest0-21swapper/300:43:113
409180099142,8cyclictest0-21swapper/322:48:153
409180099142,7cyclictest0-21swapper/321:06:163
409179999148,3cyclictest111788-21systemd-journal21:33:142
409179999146,5cyclictest0-21swapper/219:28:052
409179999145,5cyclictest102811-21/usr/sbin/munin00:03:052
409179999143,7cyclictest89464-21/usr/sbin/munin23:48:192
409179999143,7cyclictest89464-21/usr/sbin/munin23:48:192
4091799991412,1cyclictest0-21swapper/220:53:162
4091799991411,2cyclictest4093305-21grep19:18:192
4091799991410,1cyclictest0-21swapper/222:58:102
409179699145,3cyclictest129939-21aten_r2power_po00:33:061
409179699144,8cyclictest4161975-21sendmail-msp21:53:121
409179699144,6cyclictest4101298-21/usr/sbin/munin19:43:151
409179699143,7cyclictest111788-21systemd-journal23:56:271
409179699143,6cyclictest116713-21uname00:18:091
409179699142,8cyclictest4583-21/usr/sbin/munin22:23:111
4091796991411,2cyclictest4161975-21sendmail-msp21:48:191
409179699140,2cyclictest171rcu_preempt19:28:121
112699140,7rtkit-daemon1-21systemd19:12:372
409180099133,6cyclictest0-21swapper/323:58:163
409180099133,5cyclictest0-21swapper/322:13:123
409180099132,8cyclictest0-21swapper/300:26:143
409180099132,6cyclictest0-21swapper/323:43:123
409180099131,7cyclictest0-21swapper/321:06:133
409179999133,8cyclictest19265-21/usr/sbin/munin22:38:132
409179999133,7cyclictest4134372-21/usr/sbin/munin21:18:132
409179999133,7cyclictest4122514-21/usr/sbin/munin20:48:112
409179999133,6cyclictest68016-21aten_r2power_po23:28:072
409179999133,5cyclictest4099402-21/usr/sbin/munin19:38:122
409179999133,2cyclictest171rcu_preempt20:28:162
409179999132,8cyclictest112952-21/usr/sbin/munin00:13:222
409179999132,6cyclictest4192788-21/usr/sbin/munin22:18:072
409179999131,9cyclictest4129214-21/usr/sbin/munin21:08:072
409179999131,9cyclictest4110274-21/usr/sbin/munin20:13:092
409179999131,9cyclictest4105482-21grep19:58:072
409179999131,3cyclictest73808-21ssh23:33:132
409179999131,10cyclictest130857-21ntp_states00:33:202
409179999130,3cyclictest4109776-21tail20:08:212
409179699139,3cyclictest4094059-21gltestperf19:23:081
409179699139,1cyclictest0-21swapper/120:33:071
409179699134,5cyclictest11050irq/107-eth%d00:26:131
409179699133,7cyclictest102810-21rm00:03:051
409179699132,6cyclictest111788-21systemd-journal23:48:131
409179699132,6cyclictest111788-21systemd-journal23:48:131
4091796991311,1cyclictest0-21swapper/121:41:141
409179699131,10cyclictest4126165-21/usr/sbin/munin20:58:151
409179699131,10cyclictest4092290-21fschecks_count19:18:091
409180099126,3cyclictest0-21swapper/320:53:183
409180099124,5cyclictest0-21swapper/323:48:053
409180099124,5cyclictest0-21swapper/323:48:053
409180099124,5cyclictest0-21swapper/322:43:113
409180099124,3cyclictest0-21swapper/319:28:133
409180099123,6cyclictest0-21swapper/323:11:143
409180099123,6cyclictest0-21swapper/319:48:133
409180099123,5cyclictest0-21swapper/322:58:143
409180099122,6cyclictest0-21swapper/319:23:083
409180099122,5cyclictest0-21swapper/323:23:023
409180099122,4cyclictest0-21swapper/300:11:283
409180099121,6cyclictest0-21swapper/321:58:133
409180099121,6cyclictest0-21swapper/320:08:073
409180099121,6cyclictest0-21swapper/320:03:143
409180099121,5cyclictest0-21swapper/320:58:103
409180099120,7cyclictest0-21swapper/321:33:183
409179999125,4cyclictest4121802-21munin-run20:46:142
409179999123,6cyclictest59500-21/usr/sbin/munin23:18:192
409179999123,6cyclictest4112900-21/usr/sbin/munin20:18:222
409179999122,1cyclictest171rcu_preempt23:58:162
409179999121,7cyclictest4118396-21aten_r2power_cu20:38:052
409179699125,5cyclictest36297-21ssh22:55:221
409179699125,5cyclictest111788-21systemd-journal19:33:141
409179699123,5cyclictest39289-21ssh22:58:131
409179699122,6cyclictest46837-21sendmail-msp23:13:151
409179699122,6cyclictest4108400-21latency_hist20:06:131
409179699121,9cyclictest4110126-21/usr/sbin/munin20:13:081
409179699121,8cyclictest4125032-21/usr/sbin/munin20:53:221
409179699121,7cyclictest4098753-21/usr/sbin/munin19:38:071
409179699121,3cyclictest93865-21needreboot23:53:121
409179699120,4cyclictest63790-21fake-hwclock23:23:141
409180099115,5cyclictest0-21swapper/322:16:203
409180099115,4cyclictest0-21swapper/323:28:133
409180099115,4cyclictest0-21swapper/321:48:203
409180099114,4cyclictest0-21swapper/319:18:113
409180099114,3cyclictest0-21swapper/322:03:143
409180099113,6cyclictest0-21swapper/322:33:153
409180099113,5cyclictest0-21swapper/319:58:133
409180099113,4cyclictest0-21swapper/321:41:163
409180099113,4cyclictest0-21swapper/321:18:103
409180099112,5cyclictest0-21swapper/320:48:073
409180099111,6cyclictest0-21swapper/300:33:143
409180099111,5cyclictest0-21swapper/323:18:073
409180099111,5cyclictest0-21swapper/323:03:123
409179999111,7cyclictest4179088-21xargs22:03:182
409179999110,1cyclictest171rcu_preempt19:48:132
409179699117,2cyclictest4108262-21sendmail-msp20:08:151
409179699112,7cyclictest4130596-21/usr/sbin/munin21:13:071
409179699112,5cyclictest4177834-21/usr/sbin/munin22:03:151
409179699112,4cyclictest4101680-21sendmail-msp19:53:071
409179699111,8cyclictest2243333-21munin-node21:57:491
409180099104,3cyclictest0-21swapper/320:23:133
409180099103,4cyclictest0-21swapper/300:03:063
409180099102,5cyclictest0-21swapper/321:36:143
409180099102,4cyclictest0-21swapper/322:36:463
409180099102,4cyclictest0-21swapper/321:26:393
409180099102,4cyclictest0-21swapper/321:26:393
409180099102,4cyclictest0-21swapper/320:33:123
409180099102,4cyclictest0-21swapper/319:43:053
409180099101,5cyclictest0-21swapper/320:13:113
409180099101,5cyclictest0-21swapper/319:33:083
409179699100,9cyclictest4111872-21tail20:18:101
40918009992,4cyclictest0-21swapper/321:13:173
40918009992,4cyclictest0-21swapper/300:21:273
40918009992,3cyclictest0-21swapper/320:41:143
40918009992,3cyclictest0-21swapper/319:53:063
40918009991,4cyclictest0-21swapper/319:38:063
40918009981,4cyclictest0-21swapper/320:18:103
40918009961,3cyclictest0-21swapper/319:16:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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