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2026-05-17 - 15:43
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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 highest latencies:
System rackeslot2.osadl.org (updated Sun May 17, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
301230521640,1sleep170-21kcompactd011:10:031
26780472940,2sleep30-21swapper/307:10:133
27498162850,3sleep02749820-21kthreadcore08:05:120
2675646992720,2cyclictest134050irq/121-eno112:00:001
2675646992618,3cyclictest2879187-21kthreadcore09:40:151
2675644992620,5cyclictest0-21swapper/010:30:040
267565299241,5cyclictest0-21swapper/210:20:002
2675646992316,3cyclictest1-21systemd10:00:011
2675644992318,1cyclictest383433398rtkit-daemon10:12:210
2675644992317,2cyclictest17350irq/127-ahci[0000:00:17.0]07:50:000
2675644992314,8cyclictest2937955-21kthreadcore10:20:110
2675652992219,1cyclictest0-21swapper/212:10:002
2675646992219,2cyclictest3040289-21head11:25:151
2675646992219,2cyclictest1290-21dbus-daemon07:15:011
2675646992218,3cyclictest2682992-21kthreadcore07:15:021
2675646992212,6cyclictest0-21swapper/112:10:011
2675646992212,3cyclictest0-21swapper/111:40:001
2675646992211,3cyclictest0-21swapper/109:10:021
2675644992215,6cyclictest3065606-21aten2.4-expect11:45:040
2675644992214,4cyclictest2759972-21tail08:15:040
2675644992212,5cyclictest3060430-21kthreadcore11:40:120
2675646992118,2cyclictest2875013-21sh09:40:011
2675646992112,3cyclictest1996-21runrttasks11:48:561
2675646992110,6cyclictest0-21swapper/111:24:521
2675644992116,4cyclictest3106421-21sed12:10:130
2675644992116,3cyclictest3851875-21systemd-journal08:59:550
2675644992115,5cyclictest3076106-21kthreadcore11:50:120
2675644992115,5cyclictest2948922-21missed_timers10:25:140
2675644992115,5cyclictest2928701-21/usr/sbin/munin10:15:050
2675644992115,4cyclictest2729144-21sort07:50:070
2675644992114,6cyclictest2988353-21runrttasks10:52:450
2675644992113,4cyclictest2903869-21ssh09:55:320
2675644992113,1cyclictest2689856-21ssh07:15:180
2675644992112,2cyclictest3088274-21/usr/sbin/munin12:00:120
2675644992110,6cyclictest0-21swapper/009:45:150
2675652992018,1cyclictest0-21swapper/207:20:002
267565299201,4cyclictest0-21swapper/211:40:002
2675652992010,8cyclictest0-21swapper/209:35:012
2675652992010,1cyclictest0-21swapper/208:35:012
267564699203,6cyclictest1290-21dbus-daemon08:10:011
2675646992017,2cyclictest3080653-21sh11:55:021
2675646992017,2cyclictest2857654-21mailstats09:25:151
267564699201,4cyclictest134050irq/121-eno110:30:031
2675646992012,3cyclictest0-21swapper/110:00:201
267564499209,7cyclictest2992258-21kthreadcore10:55:130
267564499208,5cyclictest2966799-21aten_repower_fr10:40:060
267564499204,5cyclictest3096078-21aten2.4-expect12:05:040
2675644992017,2cyclictest3827634-1atopacctd09:16:490
2675644992017,2cyclictest3128331-21kthreadcore12:25:110
2675644992017,2cyclictest3014809-21kthreadcore11:10:140
2675644992017,2cyclictest2998437-21kthreadcore11:00:120
2675644992017,2cyclictest2853734-21kthreadcore09:25:100
2675644992017,2cyclictest2818073-21kthreadcore09:00:130
2675644992017,2cyclictest2788014-21kthreadcore08:35:120
2675644992017,2cyclictest2675637-21cyclictest11:25:130
2675644992012,4cyclictest2919799-21ssh10:07:070
2675644992012,1cyclictest3056578-21ssh11:36:500
2675644992012,1cyclictest2965994-21ssh10:39:050
2675644992012,1cyclictest2912726-21ssh10:03:390
2675644992011,5cyclictest0-21swapper/009:30:060
2649091200,2phc2sys0-21swapper/312:39:553
2675652991916,1cyclictest0-21swapper/212:20:002
2675652991916,1cyclictest0-21swapper/207:35:012
2675652991910,7cyclictest0-21swapper/208:25:002
2675652991910,1cyclictest0-21swapper/208:09:552
267564699198,2cyclictest383433398rtkit-daemon07:25:421
2675646991917,1cyclictest2836603-21ls09:15:001
2675646991916,2cyclictest3021399-21kthreadcore11:15:131
2675646991916,2cyclictest2936003-21grep10:20:001
2675646991916,2cyclictest2852226-21latency_hist09:25:011
2675646991916,2cyclictest2778549-21latency_hist08:30:001
2675646991916,2cyclictest0-21swapper/108:45:001
2675646991913,5cyclictest3841370-21avahi-daemon10:40:011
2675646991913,5cyclictest3148591-21sendmail12:40:001
2675646991911,3cyclictest0-21swapper/112:10:121
267564499199,6cyclictest3028639-21irqcore11:20:100
267564499199,6cyclictest2668872-21kworker/u16:2+events_unbound09:10:040
2675644991916,2cyclictest3136733-21kthreadcore12:30:110
2675644991916,2cyclictest2742338-21kthreadcore08:00:140
2675644991916,2cyclictest2678791-21kthreadcore07:10:140
2675644991916,2cyclictest0-21swapper/008:25:010
2675644991911,4cyclictest0-21swapper/009:05:050
2675644991910,4cyclictest0-21swapper/012:20:010
2675652991816,1cyclictest0-21swapper/211:10:032
2675652991815,1cyclictest0-21swapper/211:20:002
2675652991815,1cyclictest0-21swapper/208:55:012
267564699186,3cyclictest0-21swapper/110:55:051
2675646991815,2cyclictest2944769-21ethtool10:25:091
2675646991815,2cyclictest1296-21polkitd08:55:161
2675646991814,2cyclictest2882800-21kworker/u16:2+events_unbound10:50:021
2675644991815,2cyclictest3827634-1atopacctd09:35:100
2675644991815,2cyclictest3148555-21sh12:39:590
2675644991815,2cyclictest3027430-21ssh11:20:000
2675644991815,2cyclictest2981705-21munin-plugin-st10:50:020
2675644991815,2cyclictest2847590-21kthreadcore09:20:100
2675644991815,2cyclictest2775494-21kthreadcore08:25:140
2675644991815,2cyclictest2740699-21latency_hist08:00:010
2675644991815,2cyclictest2701596-21kthreadcore07:25:130
267565299179,1cyclictest0-21swapper/209:05:012
267565299179,1cyclictest0-21swapper/207:55:022
2675652991715,1cyclictest0-21swapper/211:25:012
2675652991714,1cyclictest0-21swapper/212:15:012
267564699177,6cyclictest0-21swapper/108:34:491
267564699177,3cyclictest0-21swapper/108:48:501
267564699172,4cyclictest2913572-21aten2.4-expect10:05:041
2675646991714,2cyclictest3827634-1atopacctd08:50:051
2675646991714,2cyclictest3013102-21fschecks_count11:10:101
2675646991714,2cyclictest2936499-21aten_repower_vo10:20:061
2675646991714,2cyclictest2890664-21sh09:50:061
2675646991714,2cyclictest0-21swapper/112:00:131
2675646991714,2cyclictest0-21swapper/109:50:021
2675646991712,2cyclictest3134065-21cpuspeed_turbos12:30:061
267564499179,4cyclictest0-21swapper/007:25:020
267564499178,5cyclictest0-21swapper/011:30:090
267564499174,4cyclictest3086095-21ls11:55:160
2675644991714,2cyclictest3123137-21kthreadcore12:20:130
2675644991714,2cyclictest2804549-21cut08:50:070
2675644991714,2cyclictest2794291-21kthreadcore08:40:100
2675644991714,2cyclictest2718898-21kthreadcore07:40:140
2675644991714,2cyclictest2706512-21kthreadcore07:30:100
267564499170,7cyclictest2891304-21hddtemp_smartct09:50:090
2649091170,5phc2sys0-21swapper/309:10:373
2649091170,5phc2sys0-21swapper/307:05:053
2675652991614,1cyclictest0-21swapper/207:25:082
2675652991613,1cyclictest0-21swapper/212:25:572
2675652991613,1cyclictest0-21swapper/210:50:112
2675652991613,1cyclictest0-21swapper/210:39:242
2675652991613,1cyclictest0-21swapper/210:30:162
2675652991613,1cyclictest0-21swapper/209:40:212
2675652991612,2cyclictest0-21swapper/210:46:282
267564699169,3cyclictest2897802-21kworker/1:2+events_freezable10:11:231
267564699164,4cyclictest2822518-21sshd09:02:491
2675646991613,2cyclictest3044159-21kernelversion11:30:121
2675646991613,2cyclictest2789329-21kthreadcore08:35:121
2675646991613,2cyclictest2732969-21kthreadcore07:50:111
2675646991613,2cyclictest2675637-21cyclictest12:15:121
2675646991610,5cyclictest0-21swapper/109:30:071
267564499166,3cyclictest2753608-21aten_repower_en08:10:060
2675644991613,2cyclictest2876583-21kernelversion09:40:140
2675644991613,2cyclictest2798971-21kthreadcore08:45:120
2675644991613,2cyclictest2710996-21kthreadcore07:35:100
2675644991612,3cyclictest3011881-21latency_hist11:10:020
2649091160,4phc2sys0-21swapper/312:06:093
2649091160,3phc2sys0-21swapper/311:09:373
2649091160,3phc2sys0-21swapper/309:05:073
2649091160,2phc2sys0-21swapper/311:36:143
2649091160,2phc2sys0-21swapper/311:03:493
2649091160,2phc2sys0-21swapper/310:14:373
2649091160,2phc2sys0-21swapper/309:28:173
2649091160,1phc2sys0-21swapper/312:32:503
2675652991513,1cyclictest0-21swapper/209:45:092
2675652991513,1cyclictest0-21swapper/209:15:012
2675652991513,1cyclictest0-21swapper/209:10:032
2675652991513,1cyclictest0-21swapper/208:25:162
2675652991513,1cyclictest0-21swapper/208:15:152
2675652991513,1cyclictest0-21swapper/207:10:012
2675652991512,1cyclictest0-21swapper/212:39:582
2675652991512,1cyclictest0-21swapper/211:54:102
2675652991512,1cyclictest0-21swapper/210:55:092
2675652991512,1cyclictest0-21swapper/210:45:012
2675652991512,1cyclictest0-21swapper/210:20:152
2675652991512,1cyclictest0-21swapper/210:00:132
2675652991512,1cyclictest0-21swapper/209:50:192
2675652991512,1cyclictest0-21swapper/207:40:132
2675652991511,2cyclictest0-21swapper/208:55:122
2675652991511,2cyclictest0-21swapper/207:45:162
267565299150,6cyclictest0-21swapper/210:10:002
267564699152,5cyclictest0-21swapper/111:04:331
267564699151,4cyclictest2716034-21aten2.4-expect07:40:071
267564699151,3cyclictest2741043-21apt-get08:00:071
2675646991512,2cyclictest3851704-21mta-sts-daemon08:15:021
2675646991512,2cyclictest3131589-21xargs12:25:171
2675646991512,2cyclictest3060229-21kthreadcore11:40:111
2675646991512,2cyclictest2985199-21kthreadcore10:50:111
2675646991512,2cyclictest2839866-21kthreadcore09:15:141
2675646991512,2cyclictest2771179-21processes08:20:151
2675646991512,2cyclictest2754501-21irqcore08:10:111
2675646991512,2cyclictest2736078-21kthreadcore07:55:111
2675646991512,2cyclictest2723587-21sed07:45:111
2675646991512,2cyclictest2692535-21kthreadcore07:20:121
2675646991512,2cyclictest0-21swapper/112:20:041
2675646991511,3cyclictest3851704-21mta-sts-daemon10:40:591
267564499156,5cyclictest2779876-21sed08:30:090
2649091151,6phc2sys0-21swapper/307:40:073
2649091150,2phc2sys0-21swapper/312:14:103
2649091150,2phc2sys0-21swapper/310:49:533
2649091150,2phc2sys0-21swapper/310:08:173
2649091150,2phc2sys0-21swapper/309:39:103
2649091150,2phc2sys0-21swapper/309:33:083
2649091150,1phc2sys0-21swapper/310:35:003
2675652991412,1cyclictest0-21swapper/212:00:132
2675652991412,1cyclictest0-21swapper/211:30:062
2675652991412,1cyclictest0-21swapper/211:25:152
2675652991412,1cyclictest0-21swapper/207:15:022
267565299141,1cyclictest0-21swapper/208:45:042
2675652991411,1cyclictest0-21swapper/212:20:132
2675652991411,1cyclictest0-21swapper/211:45:122
2675652991411,1cyclictest0-21swapper/211:41:492
2675652991411,1cyclictest0-21swapper/209:29:172
2675652991411,1cyclictest0-21swapper/209:15:112
2675652991411,1cyclictest0-21swapper/208:13:232
2675652991410,2cyclictest0-21swapper/208:00:182
2675646991411,2cyclictest2704157-21gltestperf07:30:071
2675646991410,3cyclictest2713249-21kthreadcore07:35:111
2675644991411,2cyclictest3827634-1atopacctd07:10:010
2649091142,3phc2sys0-21swapper/308:55:103
2649091141,3phc2sys0-21swapper/308:10:073
2649091141,3phc2sys0-21swapper/307:45:053
2649091141,2phc2sys0-21swapper/310:45:013
2649091140,4phc2sys0-21swapper/311:11:483
2649091140,4phc2sys0-21swapper/310:00:163
2649091140,3phc2sys0-21swapper/312:20:043
2649091140,2phc2sys0-21swapper/310:59:323
2649091140,2phc2sys0-21swapper/310:38:053
2649091140,2phc2sys0-21swapper/310:19:073
2649091140,2phc2sys0-21swapper/307:36:313
267565299139,2cyclictest0-21swapper/207:20:092
2675652991311,1cyclictest0-21swapper/212:30:052
2675652991311,1cyclictest0-21swapper/211:55:102
2675652991311,1cyclictest0-21swapper/211:12:252
2675652991311,1cyclictest0-21swapper/210:10:192
2675652991311,1cyclictest0-21swapper/209:35:132
2675652991311,1cyclictest0-21swapper/208:40:032
2675652991311,1cyclictest0-21swapper/207:55:092
2675652991310,1cyclictest0-21swapper/207:35:112
2649091134,1phc2sys0-21swapper/308:25:123
2649091131,2phc2sys0-21swapper/311:17:363
2649091130,3phc2sys0-21swapper/308:05:053
2649091130,2phc2sys0-21swapper/309:20:593
2649091130,1phc2sys0-21swapper/312:16:213
2649091130,1phc2sys0-21swapper/311:41:043
267565299129,1cyclictest0-21swapper/211:03:202
2675652991210,1cyclictest0-21swapper/210:25:052
2675652991210,1cyclictest0-21swapper/209:55:062
2675652991210,1cyclictest0-21swapper/208:35:092
2649091120,3phc2sys0-21swapper/310:25:053
2649091120,3phc2sys0-21swapper/309:15:273
2649091120,2phc2sys0-21swapper/312:27:213
2649091120,2phc2sys0-21swapper/311:53:553
2649091120,2phc2sys0-21swapper/311:30:023
2649091120,2phc2sys0-21swapper/309:55:143
2649091120,2phc2sys0-21swapper/309:43:393
2649091120,2phc2sys0-21swapper/308:43:493
2649091120,2phc2sys0-21swapper/308:38:033
2649091120,2phc2sys0-21swapper/307:29:023
2649091120,1phc2sys0-21swapper/308:52:243
383433398110,3rtkit-daemon3851704-21mta-sts-daemon07:08:151
267565299119,1cyclictest0-21swapper/209:20:042
2649091116,2phc2sys0-21swapper/307:15:123
2649091111,4phc2sys0-21swapper/309:45:033
2649091111,3phc2sys0-21swapper/311:20:483
2649091110,4phc2sys0-21swapper/309:50:043
2649091110,2phc2sys0-21swapper/311:55:033
2649091110,2phc2sys0-21swapper/309:04:113
2649091110,1phc2sys0-21swapper/307:21:083
2649091101,2phc2sys0-21swapper/312:00:443
2649091100,2phc2sys0-21swapper/311:46:423
2649091100,2phc2sys0-21swapper/311:29:553
2649091100,2phc2sys0-21swapper/310:54:553
2649091100,2phc2sys0-21swapper/308:50:013
2649091100,2phc2sys0-21swapper/308:19:073
2649091100,1phc2sys0-21swapper/307:58:353
264909191,3phc2sys0-21swapper/307:55:013
264909191,2phc2sys0-21swapper/310:20:073
264909191,2phc2sys0-21swapper/308:30:133
264909191,2phc2sys0-21swapper/307:30:103
264909190,2phc2sys0-21swapper/308:20:113
264909190,2phc2sys0-21swapper/308:01:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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