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2025-12-02 - 03:06
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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 all highest latencies:
System rack2slot7.osadl.org (updated Tue Dec 02, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
385228999615,11cyclictest4059185-21/usr/sbin/munin00:13:120
385228999551,37cyclictest0-21swapper/022:14:220
385228999495,15cyclictest4021381-21aten2.4-expect23:33:040
385228999470,25cyclictest0-21swapper/023:49:390
3852289994428,2cyclictest0-21swapper/022:43:080
3852289994420,4cyclictest4015203-21sendmail-msp23:30:590
385228999410,24cyclictest4026942-21ntpq23:38:100
3852289994015,4cyclictest0-21swapper/023:43:110
385228999393,5cyclictest3870510-21ntpq20:08:140
385228999371,23cyclictest0-21swapper/000:31:080
385228999363,16cyclictest3876280-21/usr/sbin/munin20:28:140
3852289993612,6cyclictest4072712-21ssh00:28:350
385228999352,17cyclictest0-21swapper/021:43:100
3852291993425,8cyclictest3910110-21ssh21:34:102
385228999335,8cyclictest4042537-21ssh23:54:460
3852289993323,5cyclictest3903460-21ssh21:28:050
385228999331,7cyclictest607-21dbus-daemon22:31:060
3852289993315,2cyclictest0-21swapper/000:00:580
385229199326,7cyclictest11050irq/107-eth%d23:29:152
3852291993222,9cyclictest3940154-21ssh22:06:072
385228999315,19cyclictest4049941-21sh00:03:100
385228999311,29cyclictest3997929-21ssh23:08:050
3852289993112,16cyclictest0-21swapper/022:33:140
385229199302,10cyclictest3937218-21ssh22:03:072
385228999302,1cyclictest11050irq/107-eth%d23:18:060
385228999300,2cyclictest3955989-21tune2fs22:23:060
3852289992915,1cyclictest0-21swapper/000:23:040
112699290,0rtkit-daemon1005-21mta-sts-daemon00:26:022
385229199284,8cyclictest11050irq/107-eth%d23:38:102
385229099287,16cyclictest111788-21systemd-journal22:14:541
385229099286,17cyclictest3920812-21sendmail-msp21:48:151
3852290992811,12cyclictest11050irq/107-eth%d00:13:121
385228999285,18cyclictest3983840-21/usr/sbin/munin22:53:020
385228999281,2cyclictest3941925-21gltestperf22:08:060
385229199274,17cyclictest2243333-21munin-node19:16:072
3852291992722,2cyclictest0-21swapper/221:48:142
385229099266,13cyclictest4074676-21ssh00:31:141
385228999266,2cyclictest171rcu_preempt22:56:090
385229199253,16cyclictest111788-21systemd-journal19:53:102
385229099255,5cyclictest3901919-21sendmail-msp21:28:051
3852290992516,4cyclictest0-21swapper/119:33:051
3852289992511,5cyclictest0-21swapper/021:53:000
385229199246,15cyclictest111788-21systemd-journal22:55:382
385229199245,11cyclictest1005-21mta-sts-daemon00:31:122
385229199243,17cyclictest3969693-21/usr/sbin/munin22:38:162
385229199241,17cyclictest4020565-21ssh23:31:532
385229099242,20cyclictest4003444-21ntpq23:13:101
385229099242,17cyclictest111788-21systemd-journal00:06:081
385229099242,15cyclictest633-21gpm19:16:061
3852290992413,8cyclictest1005-21mta-sts-daemon23:49:391
385228999242,8cyclictest4053555-21/usr/sbin/munin00:08:100
3852289992413,3cyclictest3897404-21latency_hist21:21:070
385228999240,18cyclictest3970990-21timerandwakeup22:38:160
385229299234,7cyclictest0-21swapper/300:13:123
385229199233,14cyclictest3958927-21sendmail-msp22:28:102
3852291992319,3cyclictest3988861-21cut22:58:062
3852290992311,9cyclictest0-21swapper/123:23:041
385229099231,17cyclictest4070158-21sendmail-msp00:26:141
385228999237,15cyclictest2243333-21munin-node19:28:470
385228999236,5cyclictest1008-21mta-sts-daemon21:58:120
385228999235,13cyclictest3950892-21/usr/sbin/munin22:18:050
3852289992313,4cyclictest0-21swapper/019:53:030
3852291992219,2cyclictest3880890-21unixbench_multi20:38:142
385229099229,10cyclictest3997982-21telnet23:08:051
385229099226,11cyclictest111788-21systemd-journal19:16:071
3852290992219,1cyclictest0-21swapper/123:21:071
385228999223,13cyclictest0-21swapper/022:48:080
3852289992219,2cyclictest3862162-21plymouth19:46:060
3852289992218,2cyclictest3898767-21aten_r2power_vo21:23:020
3852289992217,4cyclictest3889791-21fschecks_time21:08:050
3852289992215,5cyclictest3911523-21cat21:36:060
3852289992214,6cyclictest3888922-21xargs21:03:150
385229199215,10cyclictest1007-21mta-sts-daemon00:09:162
385229199214,12cyclictest3976188-21ssh22:43:422
385229199213,16cyclictest4057310-21ssh00:11:132
385229099211,16cyclictest3943517-21ssh22:09:101
3852290992110,8cyclictest4020564-21sh23:31:531
385229099210,6cyclictest0-21swapper/122:52:031
385229299203,8cyclictest0-21swapper/323:03:123
385229199203,12cyclictest111788-21systemd-journal00:26:142
385229199202,12cyclictest3883425-21if_wlan020:48:082
3852291992018,2cyclictest58-21kcompactd021:38:082
3852291992017,2cyclictest3949473-21idleruntime-cro22:16:072
3852291992011,6cyclictest0-21swapper/223:15:212
385229099205,2cyclictest11050irq/107-eth%d21:36:061
385229099204,13cyclictest4041168-21proc_pri23:53:141
385229099203,15cyclictest4049949-21ssh00:03:101
385228999204,10cyclictest3853413-21ntpq19:18:100
385228999201,12cyclictest0-21swapper/000:43:080
385228999200,19cyclictest3875565-21grep20:23:120
385228999200,19cyclictest0-21swapper/022:03:050
385228999200,10cyclictest0-21swapper/023:03:080
385229199196,12cyclictest3878106-21/usr/sbin/munin20:33:052
385229199194,13cyclictest3958927-21sendmail-msp22:33:102
385229199192,14cyclictest3862180-21sendmail-msp19:48:432
385229199192,12cyclictest11050irq/107-eth%d21:03:112
385229099192,11cyclictest764-21rs:main1
385229099191,8cyclictest3869691-21/usr/sbin/munin20:08:161
385229099191,5cyclictest3960842-21gltestperf22:28:071
385228999194,8cyclictest3920812-21sendmail-msp21:48:140
385228999191,5cyclictest171rcu_preempt23:13:100
3852289991915,3cyclictest0-21swapper/000:38:070
385228999191,17cyclictest0-21swapper/000:18:090
385229199183,7cyclictest11050irq/107-eth%d00:18:102
385229199183,5cyclictest3859886-21ntp_kernel_err19:38:082
385229199182,13cyclictest122792-21ntpd20:01:102
385229099187,8cyclictest762-21in:imuxsock22:34:451
385229099185,8cyclictest111788-21systemd-journal20:28:141
385229099185,10cyclictest764-21rs:main1
385229099183,10cyclictest3894830-21ssh21:18:091
385229099182,3cyclictest3977725-21sendmail-msp22:56:091
385228999182,6cyclictest171rcu_preempt19:46:310
385228999181,12cyclictest3876064-21sendmail-msp20:33:080
385229299174,9cyclictest0-21swapper/323:48:143
385229199176,10cyclictest3994140-21ntp_states23:03:122
385229199174,11cyclictest4034030-21sendmail-msp23:53:102
3852291991714,2cyclictest4035857-21gltestperf23:48:052
3852291991711,4cyclictest111788-21systemd-journal19:28:142
385229199171,14cyclictest1008-21mta-sts-daemon20:08:142
385229099178,8cyclictest4067517-21fschecks_time00:23:031
385229099177,7cyclictest0-21swapper/123:38:071
385229099174,7cyclictest1005-21mta-sts-daemon21:58:121
385228999174,1cyclictest0-21swapper/023:23:060
385228999172,11cyclictest3855599-21sendmail-msp19:33:050
385229299164,6cyclictest0-21swapper/322:50:513
385229299163,8cyclictest0-21swapper/320:43:053
385229299163,7cyclictest0-21swapper/322:43:073
385229299161,12cyclictest0-21swapper/300:31:083
385229199166,6cyclictest3978350-21ssh22:46:452
385229199163,4cyclictest3862190-21munin-run19:46:062
3852291991613,2cyclictest4085838-21cron00:46:062
385229199161,10cyclictest3951732-21ssh22:18:082
385229099166,5cyclictest3954410-21ssh22:21:071
385229099165,5cyclictest4046445-21ssh23:58:491
385229099162,8cyclictest11050irq/107-eth%d00:43:071
385229099162,10cyclictest3926872-21sh21:53:001
385229099161,2cyclictest11050irq/107-eth%d23:43:111
385228999165,2cyclictest3913091-21fschecks_time21:38:040
112699160,3rtkit-daemon1125-21rtkit-daemon23:28:451
112699160,1rtkit-daemon0-21swapper/219:25:412
385229299156,6cyclictest0-21swapper/300:03:103
385229299156,5cyclictest0-21swapper/319:53:103
385229299154,6cyclictest0-21swapper/322:53:023
385229299153,8cyclictest0-21swapper/322:08:103
385229199153,8cyclictest4008694-21grep23:18:152
385229199153,11cyclictest3894467-21sshd21:18:052
385229199153,10cyclictest3899419-21/usr/sbin/munin21:23:072
3852291991512,2cyclictest3890771-21grep21:08:162
3852291991512,2cyclictest3882606-21cron20:46:062
3852291991512,2cyclictest3872658-21unixbench_multi20:13:162
3852291991510,4cyclictest118475-21wpa_supplicant22:21:262
385229099159,4cyclictest0-21swapper/122:03:101
385229099154,9cyclictest3882650-21sendmail-msp20:54:151
385229099153,7cyclictest3951317-21ssh22:18:051
385229099153,7cyclictest3862180-21sendmail-msp19:46:311
385229099153,6cyclictest0-21swapper/121:41:221
385229099153,3cyclictest11050irq/107-eth%d21:23:021
3852290991511,3cyclictest3859565-21gltestperf19:38:051
385229099151,12cyclictest3993524-21fschecks_time23:03:061
385228999153,8cyclictest3887055-21ntpq20:58:120
385228999153,7cyclictest3882650-21sendmail-msp20:53:110
385228999153,10cyclictest3882650-21sendmail-msp20:48:180
3852289991512,2cyclictest3891467-21grep21:13:050
3852289991511,3cyclictest3873111-21head20:18:040
112699150,0rtkit-daemon0-21swapper/200:36:562
385229299146,5cyclictest0-21swapper/319:18:093
385229299145,7cyclictest0-21swapper/323:15:213
385229299145,5cyclictest0-21swapper/322:12:203
385229299142,7cyclictest0-21swapper/322:56:093
385229299142,6cyclictest0-21swapper/323:38:103
385229299142,6cyclictest0-21swapper/322:28:103
385229199148,5cyclictest0-21swapper/220:53:172
385229199144,6cyclictest3903791-21/usr/sbin/munin21:28:092
385229199143,8cyclictest3876064-21sendmail-msp20:26:102
385229199142,2cyclictest3918388-21ntpq21:43:112
385229099146,2cyclictest11050irq/107-eth%d21:38:041
385229099144,6cyclictest111788-21systemd-journal19:51:141
385229099144,5cyclictest3969796-21/usr/sbin/munin22:38:041
385229099143,8cyclictest3883202-21fschecks_time20:48:071
385229099142,9cyclictest4063658-21netstat00:18:081
385229099140,10cyclictest3881211-21/usr/sbin/munin20:43:021
385228999143,8cyclictest1008-21mta-sts-daemon19:23:040
112699140,1rtkit-daemon1007-21mta-sts-daemon21:03:101
385229299135,5cyclictest0-21swapper/320:28:143
385229299134,5cyclictest0-21swapper/322:33:143
385229299133,6cyclictest0-21swapper/300:26:143
385229299133,5cyclictest0-21swapper/320:33:083
385229299132,7cyclictest0-21swapper/321:28:473
385229299131,6cyclictest0-21swapper/323:58:163
385229199135,5cyclictest3866311-21/usr/sbin/munin19:58:052
385229199134,6cyclictest0-21swapper/200:03:032
385229199133,6cyclictest4044974-21/usr/sbin/munin23:58:062
385229199133,6cyclictest3928237-21/usr/sbin/munin21:53:172
385229199133,6cyclictest3891276-21/usr/sbin/munin21:13:032
385229199132,9cyclictest4012235-21sh23:23:042
385229199132,8cyclictest3873508-21/usr/sbin/munin20:18:062
385229199132,8cyclictest3857457-21/usr/sbin/munin19:33:032
385229099139,2cyclictest0-21swapper/121:08:061
385229099133,8cyclictest3975236-21/usr/sbin/munin22:43:081
385229099132,9cyclictest3867956-21awk20:01:081
385229099132,8cyclictest3872707-21/usr/sbin/munin20:13:161
385229099132,2cyclictest11050irq/107-eth%d00:38:071
385229099131,8cyclictest3855377-21/usr/sbin/munin19:23:141
385229099131,7cyclictest3879933-21cut20:38:041
385229099131,7cyclictest3879514-21latency_hist20:36:071
3852290991310,2cyclictest3875984-21unixbench_singl20:23:161
385228999134,6cyclictest3881539-21cut20:43:040
385228999131,8cyclictest3860496-21cron19:41:060
112699130,5rtkit-daemon1008-21mta-sts-daemon23:41:342
385229299126,4cyclictest0-21swapper/322:18:053
385229299125,5cyclictest0-21swapper/323:29:153
385229299125,5cyclictest0-21swapper/319:28:143
385229299125,4cyclictest0-21swapper/300:43:143
385229299124,6cyclictest0-21swapper/323:31:533
385229299124,4cyclictest0-21swapper/300:06:523
385229299123,6cyclictest0-21swapper/320:53:113
385229299123,5cyclictest0-21swapper/321:58:123
385229299123,5cyclictest0-21swapper/300:18:093
385229299123,4cyclictest0-21swapper/321:53:003
385229299123,3cyclictest0-21swapper/320:13:093
385229299122,7cyclictest0-21swapper/323:53:093
385229299122,6cyclictest0-21swapper/300:23:073
385229299122,5cyclictest0-21swapper/323:06:183
385229299121,6cyclictest0-21swapper/322:23:063
385229199122,8cyclictest0-21swapper/220:58:122
385229199121,10cyclictest3932040-21fschecks_time21:58:062
385229099129,2cyclictest0-21swapper/119:43:071
385229099126,4cyclictest0-21swapper/121:13:041
385229099123,7cyclictest3873880-21ntp_states20:18:101
385229099122,6cyclictest3868018-21apt-get20:01:091
385228999124,6cyclictest3868073-21/usr/sbin/munin20:03:040
385228999122,9cyclictest3866199-21aten2.4-expect19:58:040
385229299115,5cyclictest0-21swapper/323:43:063
385229299114,5cyclictest0-21swapper/321:23:043
385229299114,3cyclictest0-21swapper/320:23:103
385229299113,5cyclictest0-21swapper/320:48:133
385229299113,5cyclictest0-21swapper/320:06:103
385229299113,4cyclictest0-21swapper/321:47:113
385229299112,6cyclictest0-21swapper/321:43:093
385229299112,6cyclictest0-21swapper/321:32:013
385229299112,5cyclictest0-21swapper/319:33:123
385229299112,4cyclictest0-21swapper/322:38:163
385229299112,4cyclictest0-21swapper/322:03:013
385229299111,5cyclictest0-21swapper/319:38:023
385229299110,5cyclictest0-21swapper/321:18:093
385229199114,5cyclictest3876242-21grep20:26:072
385229199112,6cyclictest4001066-21ssh23:10:592
385229099111,7cyclictest3886499-21fschecks_time20:58:071
385228999117,1cyclictest3879562-21/usr/sbin/munin20:38:060
385228999111,9cyclictest3872738-21cron20:16:060
112699110,4rtkit-daemon0-21swapper/219:12:072
385229299104,2cyclictest0-21swapper/320:01:093
385229299102,5cyclictest0-21swapper/321:38:083
385229299102,5cyclictest0-21swapper/320:58:123
385229299102,5cyclictest0-21swapper/319:43:083
385229299102,5cyclictest0-21swapper/319:23:063
385229299102,4cyclictest0-21swapper/319:48:433
385228999102,5cyclictest3852426-21latency_hist19:16:060
38522929995,3cyclictest0-21swapper/300:38:103
38522929993,3cyclictest0-21swapper/320:38:053
38522929993,2cyclictest0-21swapper/321:08:023
38522929992,4cyclictest0-21swapper/323:23:043
38522929992,4cyclictest0-21swapper/323:18:033
38522929991,4cyclictest0-21swapper/321:13:033
38522929990,4cyclictest0-21swapper/320:18:053
38522929981,5cyclictest0-21swapper/321:03:063
38522929981,3cyclictest0-21swapper/319:58:113
38522929952,2cyclictest0-21swapper/319:16:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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