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2025-12-01 - 14:54
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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 all highest latencies:
System rack2slot7.osadl.org (updated Mon Dec 01, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
69717399688,39cyclictest0-21swapper/012:18:190
69717399512,13cyclictest897000-21telnet12:33:030
69717399451,30cyclictest878490-21/usr/sbin/munin12:13:040
69717399400,24cyclictest0-21swapper/010:25:280
69717399392,4cyclictest842442-21nfs4_client11:28:100
697173993818,4cyclictest792707-21sendmail-msp10:26:140
69717399381,5cyclictest765485-21ssh09:53:020
697174993624,9cyclictest0-21swapper/111:38:071
69717399353,20cyclictest0-21swapper/009:58:040
69717399332,8cyclictest891489-21ssh12:26:420
697173993311,6cyclictest888674-21ntp_states12:23:090
697173993226,5cyclictest777482-21/usr/sbin/munin10:08:070
69717599317,17cyclictest619-21mta-sts-daemon11:46:082
697173993112,7cyclictest11050irq/107-eth%d11:48:150
697174993023,6cyclictest1007-21mta-sts-daemon12:06:101
69717399304,7cyclictest171rcu_preempt09:38:090
697175992921,6cyclictest0-21swapper/210:51:072
697173992927,1cyclictest840526-21sendmail-msp11:35:300
69717599279,14cyclictest759715-21apt-get09:46:102
697174992716,8cyclictest899605-21ssh12:35:391
697173992721,1cyclictest0-21swapper/010:47:050
697173992710,15cyclictest1006-21mta-sts-daemon11:43:110
697173992710,15cyclictest1006-21mta-sts-daemon11:43:110
69717499261,3cyclictest11050irq/107-eth%d12:12:171
69717399268,12cyclictest619-21mta-sts-daemon09:23:110
697173992623,2cyclictest0-21swapper/009:28:140
697173992619,5cyclictest759748-21sendmail-msp09:48:500
69717599252,17cyclictest619-21mta-sts-daemon12:07:582
69717599250,20cyclictest111788-21systemd-journal12:26:152
69717499256,12cyclictest1005-21mta-sts-daemon10:11:391
69717499255,15cyclictest846648-21/usr/sbin/munin11:33:121
69717399252,17cyclictest708945-21/usr/sbin/munin07:53:020
69717399252,16cyclictest0-21swapper/010:58:060
69717399251,20cyclictest872358-21sendmail-msp12:08:110
69717599243,15cyclictest850648-21ntpq11:38:072
697174992419,4cyclictest737034-21diskmemload10:26:131
69717399243,18cyclictest814997-21ld10:53:120
697173992414,8cyclictest828578-21latency_hist11:11:060
69717399241,19cyclictest757829-21ntpq09:43:100
69717599233,13cyclictest881954-21ssh12:16:092
697175992316,6cyclictest721143-21fschecks_time08:28:052
697175992311,10cyclictest768104-21ssh09:55:342
69717499236,4cyclictest11050irq/107-eth%d10:48:161
69717499233,15cyclictest720877-21aten2.4-expect08:28:021
69717399234,18cyclictest807693-21ssh10:43:440
697173992317,5cyclictest0-21swapper/012:43:030
69717399231,4cyclictest0-21swapper/009:33:090
112699230,4rtkit-daemon1125-21rtkit-daemon08:23:081
69717599228,12cyclictest840526-21sendmail-msp11:31:452
69717599222,10cyclictest11050irq/107-eth%d11:26:162
697175992214,6cyclictest712511-21fschecks_count08:03:032
69717499227,12cyclictest697172-21systemd-run07:16:061
69717499222,15cyclictest788836-21apt-get10:21:091
69717499221,17cyclictest834262-21ld11:18:101
69717399222,16cyclictest700476-21sendmail-msp07:33:140
697173992214,4cyclictest0-21swapper/008:26:100
697175992111,8cyclictest0-21swapper/210:28:152
697175992110,7cyclictest703731-1kworker/2:0H+kblockd08:08:472
69717499212,15cyclictest746365-21ssh09:28:151
69717499212,11cyclictest902203-21gcc12:38:091
697174992118,2cyclictest831061-21unixbench_singl11:13:181
69717399210,20cyclictest786324-21ps10:18:110
69717399210,20cyclictest786324-21ps10:18:110
69717599206,11cyclictest787012-21ssh10:18:402
69717599206,11cyclictest787012-21ssh10:18:402
69717599205,6cyclictest111788-21systemd-journal12:33:032
69717599205,12cyclictest906644-21ntpq12:43:072
69717599203,12cyclictest619-21mta-sts-daemon11:23:092
697175992013,5cyclictest703858-21latency_hist07:36:062
697175992013,2cyclictest11050irq/107-eth%d08:23:112
69717499204,14cyclictest122792-21ntpd08:32:041
69717499202,17cyclictest111788-21systemd-journal09:48:501
697174992017,2cyclictest837968-21gltestperf11:23:041
69717399203,12cyclictest865887-21ssh11:58:040
69717399201,4cyclictest776339-21sendmail-msp10:13:060
69717399200,15cyclictest824461-21sendmail-msp11:13:010
69717599199,9cyclictest1007-21mta-sts-daemon11:43:112
69717599199,9cyclictest1007-21mta-sts-daemon11:43:112
69717599197,8cyclictest0-21swapper/210:08:122
69717599192,16cyclictest111788-21systemd-journal11:54:182
69717499195,10cyclictest111788-21systemd-journal11:49:191
69717499193,5cyclictest259-21jbd2/mmcblk0p2-811:28:101
69717499193,14cyclictest906642-21ntpq12:43:071
697174991915,3cyclictest717572-21gltestperf08:18:051
69717399199,5cyclictest843587-1kworker/0:2H+kblockd11:53:130
69717399192,13cyclictest1005-21mta-sts-daemon08:48:190
69717399191,2cyclictest171rcu_preempt08:53:110
69717399191,18cyclictest0-21swapper/007:18:020
697173991910,2cyclictest803397-21grep10:38:150
112699190,1rtkit-daemon0-21swapper/208:45:252
112699190,0rtkit-daemon0-21swapper/209:28:262
69717699184,5cyclictest0-21swapper/309:43:103
69717599186,10cyclictest1005-21mta-sts-daemon11:07:432
69717599181,5cyclictest11050irq/107-eth%d10:21:092
69717499184,8cyclictest0-21swapper/111:03:161
69717499182,9cyclictest895668-21ssh12:31:071
69717499182,13cyclictest770235-21ntp_states09:58:091
69717499181,7cyclictest887722-21/usr/sbin/munin12:23:131
697174991815,2cyclictest715230-21grep08:08:201
69717399183,12cyclictest111788-21systemd-journal07:27:500
69717399182,11cyclictest735899-21/usr/sbin/munin09:13:030
69717399181,16cyclictest0-21swapper/008:31:220
69717399180,12cyclictest0-21swapper/011:18:090
69717699174,7cyclictest0-21swapper/311:33:123
69717699172,7cyclictest0-21swapper/312:28:113
69717699172,7cyclictest0-21swapper/310:21:093
69717599175,7cyclictest797957-21ssh10:33:042
69717599174,8cyclictest834257-21ntpq11:18:102
69717599174,7cyclictest759718-21munin-run09:46:062
69717599174,6cyclictest11050irq/107-eth%d09:38:092
69717599173,12cyclictest829672-21/usr/sbin/munin11:13:032
697175991714,2cyclictest703731-1kworker/2:0H+kblockd10:53:012
69717499176,7cyclictest1005-21mta-sts-daemon08:58:041
69717499175,5cyclictest768415-21cat09:56:061
69717499173,11cyclictest1007-21mta-sts-daemon09:33:431
69717499172,8cyclictest824461-21sendmail-msp11:07:101
697174991713,2cyclictest0-21swapper/110:08:171
697174991712,3cyclictest708720-21latency_hist07:51:061
69717499171,13cyclictest881350-21apt-get12:16:091
697174991711,3cyclictest762-21in:imuxsock07:28:071
69717399177,2cyclictest837880-21ssh11:23:040
69717399174,11cyclictest738905-21ssh09:18:180
69717399172,11cyclictest1-21systemd07:16:060
697173991713,3cyclictest699314-21fschecks_count07:23:030
69717699163,6cyclictest0-21swapper/312:08:113
69717699162,8cyclictest0-21swapper/312:23:093
69717599161,8cyclictest0-21swapper/210:03:102
697175991612,3cyclictest749564-21gltestperf09:33:052
697175991611,4cyclictest0-21swapper/208:58:072
697175991611,3cyclictest868260-21latency_hist12:01:072
69717599161,11cyclictest729934-21ntp_states08:53:112
69717599161,10cyclictest888677-21ssh12:23:092
69717499169,5cyclictest0-21swapper/110:33:041
69717499162,7cyclictest865946-21grep11:58:041
69717499162,12cyclictest733756-21sendmail-msp09:08:131
69717499161,13cyclictest774894-21unixbench_singl10:03:151
697174991610,5cyclictest1125-21rtkit-daemon12:05:011
69717399162,3cyclictest0-21swapper/011:38:120
697173991613,2cyclictest707616-21fschecks_time07:48:160
69717399161,2cyclictest0-21swapper/012:38:090
69717699153,6cyclictest0-21swapper/311:28:103
69717699153,6cyclictest0-21swapper/309:28:153
69717699153,4cyclictest0-21swapper/307:53:113
69717699152,7cyclictest0-21swapper/310:50:033
69717699152,7cyclictest0-21swapper/309:33:093
69717599153,7cyclictest111788-21systemd-journal10:14:152
69717599153,4cyclictest11050irq/107-eth%d12:38:052
697175991511,3cyclictest720235-21sendmail-msp08:33:042
69717499158,5cyclictest0-21swapper/111:43:151
69717499158,5cyclictest0-21swapper/111:43:151
69717499153,9cyclictest710683-21/usr/sbin/munin07:58:041
69717499153,8cyclictest741665-21ssh09:23:021
69717499153,10cyclictest700476-21sendmail-msp07:34:271
69717499152,9cyclictest807387-21grep10:43:191
69717499152,9cyclictest733728-21apt09:06:061
69717499152,7cyclictest814575-21gltestperf10:53:081
69717499152,10cyclictest698319-21/usr/sbin/munin07:18:091
697174991511,3cyclictest738391-21fschecks_count09:18:131
69717499151,11cyclictest710265-21grep07:53:161
69717399159,5cyclictest0-21swapper/012:03:130
697173991510,4cyclictest0-21swapper/008:06:340
69717399150,7cyclictest822664-21ld11:03:110
112699150,2rtkit-daemon1125-21rtkit-daemon07:56:090
112699150,2rtkit-daemon1007-21mta-sts-daemon07:13:462
69717699146,4cyclictest0-21swapper/311:53:133
69717699145,4cyclictest0-21swapper/308:28:103
69717699144,7cyclictest0-21swapper/310:43:123
69717699143,7cyclictest0-21swapper/310:26:133
69717699143,7cyclictest0-21swapper/310:18:073
69717699143,7cyclictest0-21swapper/310:18:073
69717699142,8cyclictest0-21swapper/312:13:043
69717699142,7cyclictest0-21swapper/307:38:063
69717699142,6cyclictest0-21swapper/311:43:153
69717699142,6cyclictest0-21swapper/311:43:153
69717699142,6cyclictest0-21swapper/310:33:113
69717699140,10cyclictest0-21swapper/310:52:203
69717599149,4cyclictest707159-21latency_hist07:46:062
69717599146,5cyclictest735910-21fschecks_count09:13:032
69717599145,5cyclictest806117-21/usr/sbin/munin10:43:072
69717599143,8cyclictest709203-21grep07:53:042
69717599143,10cyclictest818587-21/usr/sbin/munin10:58:062
69717599142,8cyclictest742612-21/usr/sbin/munin09:23:102
69717599142,8cyclictest697757-21cut07:18:042
69717599142,2cyclictest58-21kcompactd012:13:042
69717599142,10cyclictest727176-21sendmail-msp08:50:382
697175991411,2cyclictest764-21rs:main2
697175991411,2cyclictest702128-21systemd-run07:31:062
69717599141,12cyclictest619-21mta-sts-daemon09:03:062
69717599140,13cyclictest700476-21sendmail-msp07:26:062
69717499149,3cyclictest0-21swapper/109:38:121
69717499147,5cyclictest0-21swapper/107:43:121
69717499143,9cyclictest111788-21systemd-journal11:52:461
69717499142,8cyclictest727176-21sendmail-msp08:48:181
69717499141,9cyclictest802860-21ntpq10:38:091
697174991411,2cyclictest705316-21unixbench_singl07:38:141
69717399147,2cyclictest11050irq/107-eth%d10:33:170
69717399145,3cyclictest718937-21aten_r2power_vo08:23:030
69717399142,9cyclictest731728-21/usr/sbin/munin08:58:120
69717399142,8cyclictest712805-21/usr/sbin/munin08:03:050
697173991412,1cyclictest0-21swapper/009:03:090
697173991410,0cyclictest0-21swapper/008:38:050
69717399140,2cyclictest0-21swapper/010:03:090
69717699136,6cyclictest0-21swapper/311:08:113
69717699136,5cyclictest0-21swapper/309:49:163
69717699136,4cyclictest0-21swapper/312:43:073
69717699135,5cyclictest0-21swapper/312:33:033
69717699134,5cyclictest0-21swapper/309:38:093
69717699134,4cyclictest0-21swapper/310:03:093
69717699133,6cyclictest0-21swapper/311:38:073
69717699133,6cyclictest0-21swapper/309:58:093
69717699133,5cyclictest0-21swapper/310:58:103
69717699132,6cyclictest0-21swapper/307:28:123
69717699131,5cyclictest0-21swapper/309:52:113
69717699130,6cyclictest0-21swapper/311:58:093
69717599139,2cyclictest0-21swapper/208:13:152
69717599139,2cyclictest0-21swapper/208:13:152
69717599136,5cyclictest710557-21/usr/sbin/munin07:58:052
69717599134,6cyclictest0-21swapper/209:18:262
69717599132,9cyclictest823820-21ssh11:04:372
69717499138,4cyclictest0-21swapper/108:53:041
69717499133,8cyclictest759711-21latency_hist09:46:061
69717499132,9cyclictest736173-21if_wlan009:13:061
69717499132,5cyclictest818851-21ntpq10:58:091
69717499132,10cyclictest724130-21aten_r2power_cu08:38:051
69717499131,9cyclictest699583-21if_wlan007:23:041
69717499131,11cyclictest786636-21/usr/sbin/munin10:18:151
69717499131,11cyclictest786636-21/usr/sbin/munin10:18:151
69717399135,5cyclictest0-21swapper/007:38:000
69717399133,7cyclictest0-21swapper/007:43:020
69717399131,2cyclictest715607-21cut08:13:010
69717399131,2cyclictest715607-21cut08:13:010
69717399130,2cyclictest0-21swapper/008:43:080
69717699125,4cyclictest0-21swapper/308:53:103
69717699123,6cyclictest0-21swapper/311:46:303
69717699123,5cyclictest0-21swapper/311:18:103
69717699123,5cyclictest0-21swapper/308:48:173
69717699123,5cyclictest0-21swapper/308:33:123
69717699122,6cyclictest0-21swapper/312:16:093
69717699122,6cyclictest0-21swapper/311:23:093
69717699122,6cyclictest0-21swapper/308:13:163
69717699122,6cyclictest0-21swapper/308:13:163
69717699122,5cyclictest0-21swapper/309:18:123
69717599128,2cyclictest869506-21fschecks_time12:03:042
69717599124,4cyclictest705550-21latency_hist07:41:062
69717599121,9cyclictest707919-21cat07:48:182
69717599121,8cyclictest717534-21fschecks_time08:18:052
69717499123,8cyclictest762-21in:imuxsock08:13:161
69717499123,8cyclictest762-21in:imuxsock08:13:161
69717499122,7cyclictest712199-21/usr/sbin/munin08:03:041
69717399120,10cyclictest717505-21tune2fs08:18:050
69717699116,4cyclictest0-21swapper/311:13:113
69717699115,4cyclictest0-21swapper/309:08:083
69717699115,3cyclictest0-21swapper/308:43:053
69717699113,5cyclictest0-21swapper/308:37:113
69717699113,4cyclictest0-21swapper/307:33:153
69717699112,5cyclictest0-21swapper/310:06:133
69717699112,5cyclictest0-21swapper/308:58:073
69717699111,7cyclictest0-21swapper/312:38:083
69717699111,6cyclictest0-21swapper/309:23:083
69717599118,2cyclictest0-21swapper/210:38:052
69717599115,3cyclictest737034-21diskmemload09:58:152
69717499111,8cyclictest726122-21fschecks_time08:43:061
69717399110,2cyclictest733981-21/usr/sbin/munin09:08:080
69717699105,3cyclictest0-21swapper/308:03:073
69717699103,5cyclictest0-21swapper/307:18:153
69717699103,4cyclictest0-21swapper/309:13:033
69717699103,4cyclictest0-21swapper/307:58:063
69717699103,4cyclictest0-21swapper/307:23:053
69717699102,5cyclictest0-21swapper/308:17:353
69717699102,4cyclictest0-21swapper/307:48:193
69717699102,3cyclictest0-21swapper/308:08:153
69717599100,8cyclictest724444-21fschecks_time08:38:072
6971769993,4cyclictest0-21swapper/311:03:073
6971769993,3cyclictest0-21swapper/309:03:033
6971769992,5cyclictest0-21swapper/310:11:073
6971769992,4cyclictest0-21swapper/312:01:393
6971769991,5cyclictest0-21swapper/310:38:043
6971769991,5cyclictest0-21swapper/308:23:073
6971769990,5cyclictest0-21swapper/307:43:073
6971769951,2cyclictest0-21swapper/307:16:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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