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2025-12-05 - 16:53
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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 792 highest latencies:
System rack2slot7.osadl.org (updated Fri Dec 05, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
85890599625,38cyclictest857527-1kworker/0:1H+kblockd10:28:130
858905995528,7cyclictest0-21swapper/011:31:060
85890599482,29cyclictest0-21swapper/010:36:190
858905994428,7cyclictest876537-21diskmemload12:26:200
85890599413,36cyclictest0-21swapper/012:34:090
85890599413,36cyclictest0-21swapper/012:34:090
858905993924,4cyclictest0-21swapper/009:26:170
858905993924,4cyclictest0-21swapper/009:26:170
858905993822,3cyclictest0-21swapper/012:08:070
858905993821,5cyclictest878467-21/usr/sbin/munin09:18:100
85890599371,6cyclictest111788-21systemd-journal11:48:130
85890599371,2cyclictest0-21swapper/012:38:080
858905993634,1cyclictest0-21swapper/012:43:210
85890599363,20cyclictest923678-21ntpq10:13:120
85890799339,4cyclictest1029001-21ssh12:23:092
858907993311,4cyclictest171rcu_preempt09:33:122
858905993221,9cyclictest1014208-21sendmail-msp12:14:580
858905993210,2cyclictest171rcu_preempt09:21:100
858905993127,2cyclictest0-21swapper/009:36:130
858907993019,9cyclictest1048989-21ssh12:46:032
85890699309,17cyclictest111788-21systemd-journal09:33:041
85890599308,16cyclictest619-21mta-sts-daemon07:26:220
85890599301,22cyclictest0-21swapper/011:09:010
858905993011,3cyclictest0-21swapper/011:32:240
858905992923,4cyclictest1008-21mta-sts-daemon11:12:150
112699290,3rtkit-daemon1125-21rtkit-daemon08:43:220
85890699287,17cyclictest619-21mta-sts-daemon12:12:071
85890599280,19cyclictest979205-21grep11:23:100
85890699277,4cyclictest876537-21diskmemload10:36:191
85890599274,5cyclictest11050irq/107-eth%d11:53:160
858905992724,2cyclictest1029016-21ntpq12:23:090
85890799263,16cyclictest111788-21systemd-journal11:29:412
85890799260,8cyclictest171rcu_preempt11:03:122
85890699264,4cyclictest1038015-21ssh12:33:131
85890699264,4cyclictest1038015-21ssh12:33:131
85890599262,22cyclictest893224-21latency_hist09:36:100
858905992615,9cyclictest872236-21sendmail-msp08:53:550
85890699252,9cyclictest1004685-21ntpq11:53:161
858906992515,6cyclictest989150-21apt-get11:36:101
858905992519,3cyclictest916094-21ssh10:03:190
858907992420,2cyclictest858855-21apt-get07:16:102
85890699243,19cyclictest907543-21ntpq09:53:101
85890599244,8cyclictest858860-21munin-run07:16:090
85890599242,16cyclictest919652-21missed_timers10:08:100
85890799233,8cyclictest956018-21aten_r2power_en10:53:042
858907992316,5cyclictest259-21jbd2/mmcblk0p2-810:36:172
858907992310,9cyclictest351ktimers/209:58:432
85890699238,11cyclictest2243333-21munin-node09:18:351
858905992310,9cyclictest901528-21sendmail-msp09:46:100
85890799226,4cyclictest171rcu_preempt10:58:182
85890799223,6cyclictest171rcu_preempt11:11:432
85890799223,17cyclictest1014208-21sendmail-msp12:07:132
858907992216,4cyclictest934593-21ssh10:26:182
85890699227,11cyclictest619-21mta-sts-daemon11:33:141
85890699225,13cyclictest975462-21ntp_states11:18:121
85890699223,5cyclictest11050irq/107-eth%d09:46:101
85890599226,12cyclictest0-21swapper/010:53:040
85890599221,11cyclictest875960-21awk09:13:100
85890599220,19cyclictest989635-21ssh11:36:100
112699220,3rtkit-daemon1125-21rtkit-daemon12:46:091
85890799216,14cyclictest1005-21mta-sts-daemon11:18:102
858907992116,4cyclictest873875-21open_files08:58:092
85890699218,9cyclictest884852-21sendmail-msp09:28:141
85890699218,9cyclictest884852-21sendmail-msp09:28:141
85890699212,11cyclictest1024255-21ssh12:18:091
858906992119,1cyclictest58-21kcompactd010:08:121
858905992113,3cyclictest0-21swapper/010:33:110
858905992113,0cyclictest0-21swapper/012:19:590
85890799204,14cyclictest1031428-21sendmail-msp12:29:122
85890799203,14cyclictest111788-21systemd-journal09:54:522
85890799202,5cyclictest171rcu_preempt11:08:122
85890799202,5cyclictest0-21swapper/211:50:222
858907992014,4cyclictest0-21swapper/209:38:012
85890799200,1cyclictest171rcu_preempt09:21:102
85890699208,10cyclictest923671-21ssh10:13:121
85890699204,12cyclictest873876-21awk08:58:091
85890699203,2cyclictest58-21kcompactd009:21:101
85890699203,13cyclictest633-21gpm10:46:181
858906992017,2cyclictest964992-21unixbench_singl11:03:171
858905992018,1cyclictest0-21swapper/007:16:100
85890599201,18cyclictest0-21swapper/011:58:120
112699200,1rtkit-daemon0-21swapper/208:20:482
858907991916,1cyclictest0-21swapper/210:08:142
858907991914,5cyclictest1006-21mta-sts-daemon11:52:512
85890699195,3cyclictest11050irq/107-eth%d12:11:101
85890599193,1cyclictest0-21swapper/009:53:100
85890599193,12cyclictest930460-21apt-key10:21:100
85890599192,15cyclictest865868-21grep08:01:100
85890599192,10cyclictest952851-21ntpq10:48:150
85890599191,6cyclictest0-21swapper/010:43:080
85890799183,14cyclictest1007-21mta-sts-daemon12:03:082
858907991816,1cyclictest0-21swapper/209:43:032
858907991814,3cyclictest950854-21sendmail-msp10:46:132
85890699189,7cyclictest0-21swapper/112:28:071
85890699183,2cyclictest171rcu_preempt10:43:071
85890699182,10cyclictest111788-21systemd-journal11:28:121
85890599184,8cyclictest911607-21ntpq09:58:110
85890599183,13cyclictest961404-21ssh10:58:500
858905991815,2cyclictest191rcuc/011:46:090
85890599180,12cyclictest1012008-21ethtool12:03:050
112699180,3rtkit-daemon1125-21rtkit-daemon09:59:571
85890899174,8cyclictest0-21swapper/312:23:093
85890799176,9cyclictest0-21swapper/210:21:132
85890799175,9cyclictest111788-21systemd-journal11:35:272
85890799174,8cyclictest1031428-21sendmail-msp12:33:142
85890799174,8cyclictest1031428-21sendmail-msp12:33:142
85890799172,1cyclictest0-21swapper/212:13:052
85890699179,7cyclictest936354-21gcc10:28:151
85890699179,5cyclictest915155-21fschecks_time10:03:091
85890699174,8cyclictest1042610-21ntpq12:38:081
85890699173,12cyclictest950854-21sendmail-msp10:55:281
85890699170,5cyclictest11050irq/107-eth%d09:38:071
85890899164,7cyclictest0-21swapper/309:46:103
85890899163,7cyclictest0-21swapper/312:33:053
85890899163,7cyclictest0-21swapper/312:33:053
85890899163,6cyclictest0-21swapper/309:38:073
85890799163,12cyclictest111788-21systemd-journal09:26:572
85890799163,12cyclictest111788-21systemd-journal09:26:572
85890799162,3cyclictest171rcu_preempt09:48:122
85890799162,12cyclictest858904-21http07:16:092
85890799162,10cyclictest1008309-21ssh11:58:102
85890799161,3cyclictest11050irq/107-eth%d12:18:172
858907991612,3cyclictest111788-21systemd-journal10:33:082
85890699164,9cyclictest859782-21sendmail-msp07:28:071
85890699161,6cyclictest11050irq/107-eth%d10:34:511
858906991611,3cyclictest0-21swapper/108:46:101
85890599162,9cyclictest111788-21systemd-journal07:51:090
85890599160,8cyclictest963995-21grep11:03:070
85890899154,6cyclictest0-21swapper/309:21:103
85890899154,4cyclictest0-21swapper/311:52:513
85890899153,8cyclictest0-21swapper/310:36:173
85890899153,6cyclictest0-21swapper/312:08:163
85890899153,5cyclictest0-21swapper/311:03:083
85890899152,6cyclictest0-21swapper/312:14:583
85890899152,6cyclictest0-21swapper/311:25:443
85890899152,4cyclictest0-21swapper/308:53:553
85890899151,7cyclictest0-21swapper/312:03:073
85890799152,6cyclictest11050irq/107-eth%d10:11:212
85890799152,11cyclictest859782-21sendmail-msp07:26:222
85890799151,11cyclictest111788-21systemd-journal08:13:132
85890699155,8cyclictest930499-21apt-get10:21:131
85890699154,3cyclictest1008865-21ssh11:58:171
85890699153,11cyclictest874653-21sendmail-msp09:13:131
85890599152,6cyclictest1008-21mta-sts-daemon08:13:170
85890599152,2cyclictest898504-21telnet09:43:030
112699150,9rtkit-daemon1125-21rtkit-daemon12:26:021
112699150,2rtkit-daemon0-21swapper/212:39:022
112699150,1rtkit-daemon0-21swapper/007:21:350
85890899145,4cyclictest0-21swapper/311:46:153
85890899144,8cyclictest0-21swapper/309:26:113
85890899144,8cyclictest0-21swapper/309:26:113
85890899144,6cyclictest0-21swapper/307:28:133
85890899144,4cyclictest0-21swapper/311:26:443
85890899143,8cyclictest0-21swapper/309:33:123
85890899143,7cyclictest0-21swapper/310:18:043
85890899141,7cyclictest0-21swapper/310:13:123
85890899141,6cyclictest0-21swapper/310:46:143
85890799142,8cyclictest994248-21ssh11:41:372
85890799142,8cyclictest993094-21ssh11:40:012
85890799142,10cyclictest979323-21ssh11:23:122
85890799141,7cyclictest930130-21dpkg10:21:102
85890799141,5cyclictest0-21swapper/210:43:102
858907991410,3cyclictest865647-21unixbench_singl07:58:142
85890699142,8cyclictest971006-21cpuspeed11:13:101
858906991411,2cyclictest0-21swapper/111:09:281
85890699141,11cyclictest866002-21sendmail-msp08:06:231
85890699141,11cyclictest866002-21sendmail-msp08:06:231
85890699141,10cyclictest111788-21systemd-journal11:50:561
85890599142,2cyclictest869908-21grep08:28:160
85890599141,9cyclictest862262-21/usr/sbin/munin07:43:020
85890599141,13cyclictest0-21swapper/010:18:090
112699140,2rtkit-daemon1125-21rtkit-daemon08:37:272
85890899136,4cyclictest0-21swapper/311:36:103
85890899134,6cyclictest0-21swapper/308:58:093
85890899133,6cyclictest0-21swapper/310:53:043
85890899132,7cyclictest0-21swapper/312:43:203
85890899132,6cyclictest0-21swapper/309:43:153
85890799139,1cyclictest0-21swapper/208:46:102
85890799138,3cyclictest868430-21sendmail-msp08:28:092
85890799135,4cyclictest859752-21munin-run07:26:092
85890799134,7cyclictest259-21jbd2/mmcblk0p2-807:35:452
85890799134,6cyclictest762-21in:imuxsock09:06:092
85890799132,6cyclictest878170-21/usr/sbin/munin09:18:082
85890799132,6cyclictest876544-21munin-run09:16:092
858907991310,2cyclictest1005-21mta-sts-daemon10:01:562
85890799130,11cyclictest874901-21apt09:11:102
85890699134,7cyclictest0-21swapper/111:43:051
85890699133,6cyclictest927462-21/usr/sbin/munin10:18:061
85890699132,9cyclictest960676-21/usr/sbin/munin10:58:171
85890599131,9cyclictest974893-21fschecks_time11:18:070
85890899124,6cyclictest0-21swapper/312:26:113
85890899123,4cyclictest0-21swapper/311:11:433
85890899122,6cyclictest0-21swapper/311:43:093
85890899122,6cyclictest0-21swapper/310:43:093
85890899122,6cyclictest0-21swapper/310:21:133
85890899122,6cyclictest0-21swapper/309:53:103
85890899121,6cyclictest0-21swapper/310:26:133
85890899121,6cyclictest0-21swapper/310:08:093
85890799122,9cyclictest111788-21systemd-journal08:32:212
85890799122,8cyclictest863428-21/usr/sbin/munin07:43:142
85890799121,7cyclictest865975-21munin-run08:06:102
85890699123,8cyclictest899008-21/usr/sbin/munin09:43:061
85890699122,9cyclictest1005-21mta-sts-daemon07:16:091
85890699121,2cyclictest0-21swapper/111:23:051
85890599124,5cyclictest0-21swapper/008:06:100
85890599122,9cyclictest864101-21unin-run07:56:100
112699120,7rtkit-daemon1008-21mta-sts-daemon08:53:092
85890899114,5cyclictest0-21swapper/312:18:093
85890899113,3cyclictest0-21swapper/311:17:143
85890899112,6cyclictest0-21swapper/312:38:083
85890899112,6cyclictest0-21swapper/311:07:333
85890899112,6cyclictest0-21swapper/309:13:123
85890899112,4cyclictest0-21swapper/307:46:103
85890899111,6cyclictest0-21swapper/310:33:113
85890899111,5cyclictest0-21swapper/311:33:093
85890799112,6cyclictest872622-21latency_hist08:51:102
85890799111,5cyclictest868403-21munin-run08:26:102
85890699115,5cyclictest0-21swapper/107:58:031
85890699112,3cyclictest69-21kswapd007:56:101
85890699110,9cyclictest868430-21sendmail-msp08:28:151
85890699110,6cyclictest1012126-21/usr/sbin/munin12:03:061
85890599118,2cyclictest0-21swapper/008:58:030
85890599117,3cyclictest868137-21latency_hist08:21:100
85890599117,3cyclictest1125-21rtkit-daemon09:07:580
85890599115,2cyclictest872236-21sendmail-msp08:48:200
85890599114,5cyclictest259-21jbd2/mmcblk0p2-807:35:450
85890599111,5cyclictest857527-1kworker/0:1H+kblockd08:36:100
85890599110,10cyclictest866253-21awk08:11:100
85890599110,10cyclictest866253-21awk08:11:100
112699110,1rtkit-daemon0-21swapper/107:37:091
85890899105,3cyclictest0-21swapper/307:16:103
85890899104,3cyclictest0-21swapper/309:18:033
85890899103,5cyclictest0-21swapper/310:58:183
85890899102,4cyclictest0-21swapper/310:03:093
85890899102,4cyclictest0-21swapper/307:41:093
85890899102,3cyclictest0-21swapper/308:43:103
85890899101,5cyclictest0-21swapper/311:58:103
85890899101,5cyclictest0-21swapper/307:31:213
85890799102,7cyclictest111788-21systemd-journal07:41:092
85890699108,1cyclictest1005-21mta-sts-daemon07:50:371
85890699107,2cyclictest863586-21sendmail-msp07:46:101
85890699103,6cyclictest866762-21/usr/sbin/munin08:13:061
85890699102,5cyclictest607-21dbus-daemon08:51:101
85890699102,5cyclictest1008-21mta-sts-daemon07:19:251
85890599105,4cyclictest0-21swapper/008:36:110
8589089993,4cyclictest0-21swapper/308:06:103
8589089993,3cyclictest0-21swapper/308:07:283
8589089993,3cyclictest0-21swapper/308:07:283
8589089992,3cyclictest0-21swapper/308:36:113
8589089991,4cyclictest0-21swapper/308:51:103
8589089991,4cyclictest0-21swapper/308:31:363
8589089991,4cyclictest0-21swapper/308:28:123
8589089991,2cyclictest0-21swapper/307:46:303
8589089990,5cyclictest0-21swapper/308:26:103
8589079991,6cyclictest864109-21latency_hist07:56:102
8589079990,7cyclictest863857-21latency_hist07:51:102
8589079990,5cyclictest866397-21latency_hist08:11:102
8589079990,5cyclictest866397-21latency_hist08:11:102
8589069997,1cyclictest11050irq/107-eth%d08:53:401
8589069996,2cyclictest868403-21munin-run08:26:101
8589069996,2cyclictest764-21rs:main1
8589069991,6cyclictest868247-21cat08:21:101
8589069991,6cyclictest865994-21tr08:06:101
8589059997,1cyclictest11050irq/107-eth%d08:25:260
8589059993,3cyclictest874619-21apt09:06:090
11269990,2rtkit-daemon1007-21mta-sts-daemon09:07:001
8589089982,4cyclictest0-21swapper/307:56:103
8589089981,3cyclictest0-21swapper/309:56:293
8589089981,3cyclictest0-21swapper/309:06:093
8589069986,1cyclictest11050irq/107-eth%d07:32:431
8589069982,5cyclictest1005-21mta-sts-daemon08:36:111
8589069981,5cyclictest874608-21cron09:06:091
8589069980,6cyclictest859899-21latency_hist07:26:091
8589059987,1cyclictest11050irq/107-eth%d07:39:020
8589089972,4cyclictest0-21swapper/308:13:033
8589089972,3cyclictest0-21swapper/309:06:133
8589089971,3cyclictest0-21swapper/307:26:093
8589089962,2cyclictest0-21swapper/308:21:103
8589089962,1cyclictest0-21swapper/307:16:093
8589089961,3cyclictest0-21swapper/307:56:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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