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2026-01-06 - 10:48
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 792 highest latencies:
System rackeslot2.osadl.org (updated Tue Jan 06, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
326606721060,1sleep10-21swapper/121:33:071
33736522980,2sleep30-21swapper/322:33:083
35712662960,1sleep00-21swapper/000:23:110
32480512300,2sleep00-21swapper/021:23:080
32066752300,2sleep30-21swapper/320:53:133
3079793992721,5cyclictest1-21systemd23:35:010
3079793992614,11cyclictest3536900-21kthreadcore00:03:110
3079793992519,5cyclictest1290-21dbus-daemon19:15:000
33204582240,2sleep30-21swapper/322:03:103
3079793992419,4cyclictest3281357-21apt-config21:40:010
3079793992414,9cyclictest3567776-21latency_hist00:20:020
3079793992314,7cyclictest3528019-21kthreadcore23:58:130
3079793992310,8cyclictest0-21swapper/023:48:070
3079793992310,8cyclictest0-21swapper/023:03:080
2649091230,3phc2sys0-21swapper/320:13:073
307979399229,8cyclictest0-21swapper/023:43:130
3079793992216,5cyclictest3445920-21sh23:13:100
3079793992211,7cyclictest3453670-21/usr/sbin/munin23:18:080
307979399220,2cyclictest70-21kcompactd022:00:030
2649091221,6phc2sys0-21swapper/321:58:063
2649091221,2phc2sys0-21swapper/300:25:043
3079794992116,1cyclictest191rcu_preempt22:23:041
307979399219,8cyclictest3437219-21kthreadcore23:08:120
307979399219,7cyclictest0-21swapper/023:25:010
307979399219,7cyclictest0-21swapper/022:18:150
307979399219,7cyclictest0-21swapper/021:15:020
3079793992116,4cyclictest1290-21dbus-daemon20:25:010
3079793992115,4cyclictest3415585-21sh22:55:010
307979399210,7cyclictest3242590-21tr21:18:140
307979399210,20cyclictest171ktimers/000:39:590
2902298210,7rtkit-daemon2016-21snmpd22:22:190
2649091212,2phc2sys0-21swapper/320:38:073
3079794992015,3cyclictest0-21swapper/123:55:011
3079794992012,3cyclictest0-21swapper/121:10:021
3079794992011,4cyclictest3471303-21/usr/sbin/munin23:28:091
3079794992011,4cyclictest3471303-21/usr/sbin/munin23:28:091
3079793992015,4cyclictest3215381-21kworker/u16:2-rpciod22:50:000
3079793992011,4cyclictest3478056-21sh23:30:000
3079793992011,4cyclictest3478056-21sh23:30:000
307979399200,15cyclictest3343746-21taskset22:14:380
3079794991916,2cyclictest3576740-21apt-config00:25:001
3079794991916,2cyclictest0-21swapper/123:25:011
3079794991914,4cyclictest29021-21rtkit-daemon20:32:381
307979399199,6cyclictest3227444-21diskmemload22:26:350
307979399198,7cyclictest3299251-21latency_hist21:50:010
307979399196,8cyclictest0-21swapper/021:55:010
307979399196,5cyclictest3418203-21df22:58:080
307979399191,3cyclictest3335279-21munin-run22:10:010
307979399191,3cyclictest3335279-21munin-run22:10:010
3079793991913,5cyclictest3532236-21kworker/u16:1+nfsiod00:25:330
3079793991910,8cyclictest3543449-21aten2.4-expect00:08:060
2649091191,3phc2sys0-21swapper/323:06:393
2649091190,2phc2sys0-21swapper/323:53:053
2649091190,2phc2sys0-21swapper/322:46:533
2649091190,2phc2sys0-21swapper/320:48:053
2649091190,2phc2sys0-21swapper/300:19:423
2649091190,2phc2sys0-21swapper/300:06:523
3079795991815,1cyclictest0-21swapper/200:40:012
3079795991813,2cyclictest35736722sleep200:23:132
307979499189,2cyclictest0-21swapper/123:43:051
3079794991815,2cyclictest3281729-21latency_hist21:40:021
3079794991815,2cyclictest1190-17auditd23:17:271
3079794991815,2cyclictest0-21swapper/123:00:001
3079794991815,2cyclictest0-21swapper/100:00:011
3079794991811,3cyclictest3373010-21/usr/sbin/munin22:33:141
3079794991810,3cyclictest0-21swapper/121:25:021
307979399188,6cyclictest3195965-21kthreadcore20:43:140
307979399187,6cyclictest3148703-21kworker/u16:1-nfsiod21:30:290
307979399187,2cyclictest0-21swapper/021:55:440
307979399185,9cyclictest0-21swapper/022:40:310
307979399185,8cyclictest3206759-21tr20:53:130
307979399182,8cyclictest3494967-21head23:38:180
307979399181,7cyclictest3263382-21munin-run21:30:000
307979399181,3cyclictest3388622-21munin-run22:40:010
3079793991813,4cyclictest3221563-21latency_hist21:05:010
3079793991812,5cyclictest3175487-21kthreadcore20:28:120
3079793991810,7cyclictest3227444-21diskmemload00:14:060
3079793991810,7cyclictest3227444-21diskmemload00:14:060
307979399180,7cyclictest3118288-21awk19:40:000
2649091181,3phc2sys0-21swapper/321:53:133
3079795991714,1cyclictest0-21swapper/222:20:012
3079795991714,1cyclictest0-21swapper/221:33:102
3079795991714,1cyclictest0-21swapper/221:03:072
3079795991714,1cyclictest0-21swapper/200:11:102
3079795991714,1cyclictest0-21swapper/200:11:102
3079795991713,2cyclictest0-21swapper/222:33:072
3079795991712,2cyclictest0-21swapper/222:26:192
307979499178,4cyclictest0-21swapper/122:28:141
307979499176,4cyclictest0-21swapper/100:03:041
3079794991714,2cyclictest29021-21rtkit-daemon23:13:471
3079794991713,3cyclictest3584726-21unixbench_multi00:28:201
3079794991711,3cyclictest3227444-21diskmemload21:54:561
307979399178,8cyclictest3376550-21kthreadcore22:33:130
307979399178,1cyclictest3227444-21diskmemload23:51:110
307979399176,2cyclictest0-21swapper/021:41:040
307979399175,2cyclictest0-21swapper/000:31:180
307979399171,8cyclictest3166917-21dump-pmu-power20:20:000
307979399171,7cyclictest3136924-21apt-get19:58:070
307979399171,7cyclictest3130374-21munin-run19:50:010
307979399171,7cyclictest0-21swapper/020:33:120
307979399171,5cyclictest3100818-21telnet19:28:070
307979399171,4cyclictest3227539-21munin-run21:10:010
3079793991712,4cyclictest3107699-21sed19:33:110
3079793991712,4cyclictest0-21swapper/020:10:000
3079793991711,5cyclictest3160822-21latency_hist20:15:000
3079793991711,5cyclictest3094712-21aten_repower_cu19:23:050
2649091171,2phc2sys0-21swapper/323:20:033
2649091170,3phc2sys0-21swapper/322:39:193
2649091170,2phc2sys0-21swapper/322:29:443
307979599169,1cyclictest0-21swapper/200:30:272
3079795991613,1cyclictest0-21swapper/223:58:072
3079795991613,1cyclictest0-21swapper/223:38:102
3079795991613,1cyclictest0-21swapper/223:33:162
3079795991613,1cyclictest0-21swapper/223:28:132
3079795991613,1cyclictest0-21swapper/223:28:132
3079795991613,1cyclictest0-21swapper/223:25:022
3079795991613,1cyclictest0-21swapper/222:10:592
3079795991613,1cyclictest0-21swapper/221:43:112
3079795991613,1cyclictest0-21swapper/200:28:132
3079795991613,1cyclictest0-21swapper/200:18:092
3079795991613,1cyclictest0-21swapper/200:00:262
3079795991612,2cyclictest0-21swapper/223:03:112
3079795991612,2cyclictest0-21swapper/222:58:132
3079795991612,2cyclictest0-21swapper/221:48:122
3079795991612,2cyclictest0-21swapper/221:29:592
3079795991612,2cyclictest0-21swapper/220:58:112
3079795991612,2cyclictest0-21swapper/219:38:112
3079795991611,1cyclictest0-21swapper/220:08:062
3079794991614,1cyclictest29021-21rtkit-daemon22:15:171
3079794991613,2cyclictest3490282-21head23:38:091
3079794991613,2cyclictest3487216-21apt-key23:35:011
3079794991613,2cyclictest3438055-21ssh23:08:121
3079794991613,2cyclictest3395976-21mailstats22:43:171
3079794991613,2cyclictest3118383-21systemd-run19:40:011
3079794991613,2cyclictest3079792-21cyclictest00:15:001
3079794991613,2cyclictest3079792-21cyclictest00:15:001
3079794991613,2cyclictest0-21swapper/121:30:001
3079794991612,3cyclictest3206554-21kthreadcore20:53:141
3079794991611,2cyclictest3431393-21needreboot23:03:141
307979499160,3cyclictest0-21swapper/121:57:421
307979399166,5cyclictest3145991-21tr20:03:130
307979399163,2cyclictest134050irq/121-eno120:38:130
307979399162,6cyclictest0-21swapper/019:44:410
307979399162,5cyclictest3079892-21date19:10:010
307979399161,7cyclictest3202166-21tr20:48:130
3079793991611,4cyclictest3209826-21/usr/sbin/munin20:58:130
3079793991611,4cyclictest3089339-21gltestperf19:18:110
3079793991610,5cyclictest3131483-21fschecks_count19:53:070
2649091161,4phc2sys0-21swapper/320:23:113
2649091160,2phc2sys0-21swapper/323:38:493
31236342150,2sleep30-21swapper/319:43:163
307979599157,3cyclictest0-21swapper/219:27:572
3079795991512,1cyclictest0-21swapper/223:53:092
3079795991512,1cyclictest0-21swapper/223:48:082
3079795991512,1cyclictest0-21swapper/223:18:112
3079795991512,1cyclictest0-21swapper/223:13:062
3079795991512,1cyclictest0-21swapper/222:53:102
3079795991512,1cyclictest0-21swapper/222:48:132
3079795991512,1cyclictest0-21swapper/222:43:122
3079795991512,1cyclictest0-21swapper/222:38:142
3079795991512,1cyclictest0-21swapper/221:51:332
3079795991512,1cyclictest0-21swapper/221:38:072
3079795991512,1cyclictest0-21swapper/221:20:022
3079795991512,1cyclictest0-21swapper/221:11:192
3079795991512,1cyclictest0-21swapper/220:48:162
3079795991512,1cyclictest0-21swapper/220:28:132
3079795991512,1cyclictest0-21swapper/220:23:142
3079795991512,1cyclictest0-21swapper/219:58:152
3079795991512,1cyclictest0-21swapper/219:48:122
3079795991512,1cyclictest0-21swapper/219:13:122
3079795991511,2cyclictest0-21swapper/223:08:102
3079795991511,2cyclictest0-21swapper/220:40:022
3079795991511,2cyclictest0-21swapper/220:03:112
3079795991511,2cyclictest0-21swapper/200:08:082
3079794991512,2cyclictest3402599-21kthreadcore22:48:121
3079794991512,2cyclictest3294083-21kthreadcore21:48:121
3079794991512,2cyclictest3286609-21kthreadcore21:43:131
3079794991512,2cyclictest3230533-21gltestperf21:13:091
3079794991512,2cyclictest3160035-21needreboot20:13:171
3079794991512,2cyclictest3079792-21cyclictest19:55:011
3079794991511,3cyclictest3240230-21kthreadcore21:18:121
3079794991511,3cyclictest3211300-21kthreadcore20:58:131
3079794991511,3cyclictest3185930-21cut20:38:091
3079794991511,3cyclictest3151776-21kthreadcore20:08:131
3079794991511,3cyclictest3084561-21kthreadcore19:13:121
3079794991511,3cyclictest1288-1atopacctd20:43:081
3079794991511,2cyclictest0-21swapper/121:05:021
3079794991510,2cyclictest3227444-21diskmemload22:36:161
2649091151,2phc2sys0-21swapper/322:18:113
2649091150,3phc2sys0-21swapper/300:14:193
2649091150,3phc2sys0-21swapper/300:14:193
2649091150,2phc2sys0-21swapper/319:53:163
2649091150,1phc2sys0-21swapper/321:12:543
3079795991412,1cyclictest0-21swapper/222:21:362
3079795991412,1cyclictest0-21swapper/221:58:172
3079795991412,1cyclictest0-21swapper/221:23:062
3079795991412,1cyclictest0-21swapper/221:08:142
3079795991412,1cyclictest0-21swapper/220:43:082
3079795991412,1cyclictest0-21swapper/219:15:022
3079795991411,1cyclictest0-21swapper/223:43:082
3079795991411,1cyclictest0-21swapper/222:08:122
3079795991411,1cyclictest0-21swapper/222:08:122
3079795991411,1cyclictest0-21swapper/222:03:122
3079795991411,1cyclictest0-21swapper/220:53:122
3079795991411,1cyclictest0-21swapper/220:18:142
3079795991411,1cyclictest0-21swapper/220:13:152
3079795991411,1cyclictest0-21swapper/219:43:132
307979499149,1cyclictest134050irq/121-eno122:50:281
307979499148,2cyclictest3227444-21diskmemload00:37:521
307979499148,2cyclictest3227444-21diskmemload00:18:541
3079794991412,1cyclictest3079792-21cyclictest22:08:311
3079794991412,1cyclictest3079792-21cyclictest22:08:311
3079794991411,2cyclictest3339661-21kthreadcore22:13:121
3079794991411,2cyclictest3201644-21kthreadcore20:48:131
3079794991411,2cyclictest3170323-21kthreadcore20:23:151
3079794991411,2cyclictest3162479-21irqrtprio20:18:121
3079794991411,2cyclictest3120742-21kthreadcore19:43:131
3079794991411,2cyclictest3102374-21kthreadcore19:28:121
3079794991410,2cyclictest3550122-21systemd-run00:10:011
2649091140,6phc2sys0-21swapper/322:07:073
2649091140,6phc2sys0-21swapper/322:07:073
3079795991310,1cyclictest0-21swapper/219:53:032
3079795991310,1cyclictest0-21swapper/219:33:072
3079795991310,1cyclictest0-21swapper/219:23:062
3079795991310,1cyclictest0-21swapper/219:10:002
307979499139,3cyclictest3095721-21irqcore19:23:101
307979499136,5cyclictest3127684-21tr19:48:121
307979499136,2cyclictest3227444-21diskmemload22:02:151
307979499134,7cyclictest3139598-21tr19:58:141
3079794991310,2cyclictest3111211-21kthreadcore19:33:131
3079794991310,2cyclictest3087911-21kthreadcore19:15:021
3079794991310,2cyclictest0-21swapper/123:48:151
2649091130,2phc2sys0-21swapper/322:22:123
2649091130,2phc2sys0-21swapper/321:48:463
2649091130,2phc2sys0-21swapper/300:40:013
307979599129,1cyclictest0-21swapper/220:33:062
307979499129,2cyclictest3143722-21gltestperf20:03:101
307979499124,7cyclictest3588528-1ssh00:33:401
307979499120,6cyclictest3173511-21/usr/sbin/munin20:28:141
2649091123,2phc2sys0-21swapper/323:03:123
2649091120,3phc2sys0-21swapper/321:08:053
2649091120,2phc2sys0-21swapper/322:13:023
2649091111,2phc2sys0-21swapper/323:46:283
2649091111,2phc2sys0-21swapper/323:13:103
2649091111,2phc2sys0-21swapper/321:39:233
2649091111,2phc2sys0-21swapper/320:30:023
2649091110,5phc2sys0-21swapper/321:03:073
2649091110,2phc2sys0-21swapper/321:40:143
2649091110,2phc2sys0-21swapper/321:33:423
2649091110,1phc2sys0-21swapper/320:34:553
2649091110,1phc2sys0-21swapper/319:59:293
2649091110,1phc2sys0-21swapper/300:03:383
307979499106,3cyclictest0-21swapper/119:10:001
2649091104,2phc2sys0-21swapper/323:17:253
2649091101,4phc2sys0-21swapper/319:48:053
2649091101,3phc2sys0-21swapper/319:08:063
2649091101,2phc2sys0-21swapper/323:58:343
2649091101,2phc2sys0-21swapper/323:33:423
2649091101,2phc2sys0-21swapper/321:30:013
2649091101,2phc2sys0-21swapper/300:30:173
2649091101,2phc2sys0-21swapper/300:24:283
2649091100,2phc2sys0-21swapper/323:41:073
2649091100,2phc2sys0-21swapper/323:27:403
2649091100,2phc2sys0-21swapper/323:27:403
2649091100,2phc2sys0-21swapper/322:57:033
2649091100,2phc2sys0-21swapper/322:50:293
2649091100,2phc2sys0-21swapper/322:40:593
2649091100,2phc2sys0-21swapper/321:23:083
2649091100,2phc2sys0-21swapper/321:17:273
2649091100,2phc2sys0-21swapper/320:03:053
2649091100,2phc2sys0-21swapper/319:23:143
2649091100,1phc2sys0-21swapper/320:42:003
2649091100,1phc2sys0-21swapper/320:16:243
2649091100,1phc2sys0-21swapper/319:14:083
264909191,2phc2sys0-21swapper/320:56:033
264909191,2phc2sys0-21swapper/319:28:193
264909190,2phc2sys0-21swapper/320:08:063
264909190,2phc2sys0-21swapper/319:35:283
264909190,2phc2sys0-21swapper/319:33:083
264909190,2phc2sys0-21swapper/319:17:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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