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2026-07-02 - 07:59
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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
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack0slot2.osadl.org (updated Thu Jul 02, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39975502940,1sleep60-21swapper/621:34:016
3699409994845,2cyclictest3781044-21kworker/u16:2+events_unbound21:54:304
369881524737,7sleep40-21swapper/419:04:574
3699409994644,2cyclictest96383-21kworker/u16:3+events_unbound23:59:314
369902424611,30sleep70-21swapper/719:07:577
369941899450,43cyclictest217923-21latency_hist00:24:017
3699409994543,2cyclictest3781044-21kworker/u16:2+events_unbound22:54:034
3699418994439,4cyclictest3936585-21latency_hist21:09:017
369887424131,7sleep50-21swapper/519:05:465
3699409993634,2cyclictest4192535-21kworker/u16:1+events_unbound23:19:024
3699409993634,2cyclictest4165367-21kworker/u16:0+events_unbound22:40:344
3699409993634,2cyclictest3809914-21kworker/u16:0+events_unbound21:52:104
369941899350,33cyclictest4055566-21sed21:54:307
3699409993533,2cyclictest69499-21kworker/u16:2+flush-8:023:27:464
3699409993533,2cyclictest3961018-21kworker/u16:3+events_unbound21:38:154
3699409993533,2cyclictest230408-21kworker/u16:0+events_unbound00:32:114
369881723524,8sleep60-21swapper/619:04:596
3699409993433,1cyclictest69499-21kworker/u16:2+events_unbound23:37:464
3699409993432,2cyclictest4192535-21kworker/u16:1+events_unbound23:33:004
3699409993432,2cyclictest4192535-21kworker/u16:1+events_unbound23:00:304
3699409993432,2cyclictest4192535-21kworker/u16:1+events_unbound00:37:434
3699409993432,2cyclictest4192535-21kworker/u16:1+events_unbound00:16:434
3699409993432,2cyclictest4165367-21kworker/u16:0+events_unbound23:13:394
3699409993432,2cyclictest4165367-21kworker/u16:0+events_unbound23:13:394
3699409993432,2cyclictest4143834-21kworker/u16:1+events_unbound22:35:394
3699409993432,2cyclictest3961018-21kworker/u16:3+events_unbound21:46:474
3699409993432,2cyclictest3781044-21kworker/u16:2+events_unbound22:52:154
3699409993432,2cyclictest3781044-21kworker/u16:2+events_unbound21:40:594
3699409993432,2cyclictest3706011-21kworker/u16:3+events_unbound19:09:324
3699409993332,1cyclictest3961018-21kworker/u16:3+events_unbound22:22:194
3699409993331,2cyclictest96383-21kworker/u16:3+events_unbound23:50:264
3699409993331,2cyclictest96383-21kworker/u16:3+events_unbound23:46:064
3699409993331,2cyclictest4192535-21kworker/u16:1+events_unbound23:56:144
3699409993331,2cyclictest3809914-21kworker/u16:0+events_unbound22:15:194
3699409993331,2cyclictest3809914-21kworker/u16:0+events_unbound21:30:204
3699409993331,2cyclictest3781044-21kworker/u16:2+events_unbound21:27:444
3699409993331,2cyclictest195109-21kworker/u16:3+events_unbound00:28:504
3699409993230,2cyclictest4192535-21kworker/u16:1+events_unbound00:21:114
3699409993230,2cyclictest4165367-21kworker/u16:0+events_unbound23:05:194
3699409993230,2cyclictest3809914-21kworker/u16:0+events_unbound22:33:594
3699409993230,2cyclictest3809914-21kworker/u16:0+events_unbound21:11:314
3699409993230,2cyclictest3781044-21kworker/u16:2+events_unbound22:27:034
3699409993230,2cyclictest3781044-21kworker/u16:2+events_unbound21:23:554
3699418993130,0cyclictest0-21swapper/720:09:237
3699418993130,0cyclictest0-21swapper/719:14:027
3699418993125,5cyclictest3858783-21latency_hist20:29:017
3699418993125,5cyclictest3858783-21latency_hist20:29:017
3699409993129,2cyclictest4192535-21kworker/u16:1+events_unbound00:11:584
3699409993129,2cyclictest4165367-21kworker/u16:0+events_unbound22:48:404
3699409993129,2cyclictest3961018-21kworker/u16:3+flush-8:021:59:394
3699409993129,2cyclictest3937012-21kworker/u16:1+events_unbound21:17:194
41557302300,1chrt0-21swapper/622:39:016
38799742300,1sleep4631rcuc/420:39:194
3699418993029,0cyclictest0-21swapper/721:14:397
39308032290,1chrt0-21swapper/421:04:184
3699418992928,0cyclictest0-21swapper/722:23:307
3699418992927,1cyclictest4006777-21switchtime21:34:317
3699416992927,2cyclictest3645107-21kworker/u16:0+flush-8:019:39:276
3699409992927,2cyclictest96383-21kworker/u16:3+events_unbound23:41:034
3699409992927,2cyclictest4192535-21kworker/u16:1+events_unbound23:18:484
3699409992927,2cyclictest3670719-21kworker/u16:2+events_unbound19:18:124
3699409992826,2cyclictest3961018-21kworker/u16:3+events_unbound22:08:484
3699409992826,2cyclictest3781044-21kworker/u16:2+events_unbound20:09:044
718712270,1chrt71870-21ssh23:23:587
3699409992725,2cyclictest3809914-21kworker/u16:0+events_unbound22:11:484
1295922270,1chrt129578-21ssh23:44:257
3699418992625,0cyclictest0-21swapper/722:46:317
3699409992624,2cyclictest3809914-21kworker/u16:0+events_unbound20:36:124
3699409992624,2cyclictest166771-21kworker/u16:5+events_unbound00:05:234
3699418992524,0cyclictest0-21swapper/721:24:317
3699418992523,1cyclictest0-21swapper/723:31:247
3699409992523,2cyclictest3781044-21kworker/u16:2+events_unbound19:52:124
3699409992523,2cyclictest3670719-21kworker/u16:2+events_unbound19:26:114
3699409992523,2cyclictest3645107-21kworker/u16:0+events_unbound19:40:114
3699409992522,2cyclictest3742448-21kworker/u16:1+events_unbound19:44:114
3699418992422,1cyclictest16750irq/16-ehci_hcd:usb400:33:507
3699409992422,2cyclictest3868875-21kworker/u16:3+events_unbound20:50:114
3699409992422,2cyclictest3742448-21kworker/u16:1+events_unbound19:59:014
3699418992321,1cyclictest106-21kcompactd022:29:067
3699409992321,2cyclictest3809914-21kworker/u16:0+events_unbound21:04:014
3699418992221,0cyclictest0-21swapper/722:10:127
3699418992221,0cyclictest0-21swapper/721:44:107
3699418992221,0cyclictest0-21swapper/700:37:107
369941899220,20cyclictest5934-21gnome-shell00:27:107
3699418992120,0cyclictest0-21swapper/723:58:547
3699418992120,0cyclictest0-21swapper/722:14:367
3699418992120,0cyclictest0-21swapper/721:51:037
3699418992119,1cyclictest16750irq/16-ehci_hcd:usb421:32:037
3699418992117,3cyclictest16750irq/16-ehci_hcd:usb422:43:037
3699409992119,2cyclictest3809914-21kworker/u16:0+events_unbound20:55:004
3699418992017,2cyclictest3972674-21ssh21:23:077
3699418992017,2cyclictest3868494-21perf20:34:017
3699418992017,2cyclictest3781010-21munin-run19:49:017
3699409992018,2cyclictest2993921-21kworker/u16:7+events_unbound20:00:034
3699418991918,0cyclictest0-21swapper/723:37:307
3699418991917,1cyclictest0-21swapper/722:49:067
3699418991914,4cyclictest3751801-21latency_hist19:34:017
3699418991817,0cyclictest0-21swapper/723:15:597
3699418991817,0cyclictest0-21swapper/723:10:167
3699418991817,0cyclictest0-21swapper/723:10:167
3699418991817,0cyclictest0-21swapper/722:36:597
3699418991817,0cyclictest0-21swapper/722:24:217
3699418991816,1cyclictest0-21swapper/723:49:067
3699418991814,3cyclictest1278-21snmpd23:41:147
369941899180,16cyclictest1278-21snmpd23:05:367
3699418991716,0cyclictest0-21swapper/722:54:197
3699418991716,0cyclictest0-21swapper/721:59:117
3699418991716,0cyclictest0-21swapper/721:39:387
3699418991716,0cyclictest0-21swapper/719:49:037
3699418991712,3cyclictest3761683-21latency_hist19:39:017
369941699170,17cyclictest0-21swapper/622:19:156
369941199170,1cyclictest0-21swapper/521:28:395
3699409991715,2cyclictest2993921-21kworker/u16:7+events_unbound19:23:114
3699409991714,2cyclictest3809914-21kworker/u16:0+events_unbound20:19:044
3699418991615,0cyclictest0-21swapper/721:10:237
3699418991615,0cyclictest0-21swapper/700:17:147
3699418991610,5cyclictest3708968-21latency_hist19:14:027
369941899160,14cyclictest81000-21ssh23:24:247
3699416991612,3cyclictest2993921-21kworker/u16:7+flush-8:019:10:006
369941199160,1cyclictest0-21swapper/500:12:185
3699418991513,1cyclictest0-21swapper/700:09:197
3699418991512,2cyclictest167578-21ssh00:01:017
369941899150,13cyclictest0-21swapper/720:34:257
3699416991511,3cyclictest121737-21cat23:44:156
369941699150,15cyclictest0-21swapper/623:12:136
369941699150,15cyclictest0-21swapper/623:12:136
369941699150,14cyclictest0-21swapper/621:39:126
369941899148,5cyclictest3771253-21latency_hist19:44:017
369941899146,6cyclictest6341-21gvfs-afc-volume19:54:197
369941699146,7cyclictest0-21swapper/623:19:186
3699416991413,1cyclictest0-21swapper/623:49:076
3699416991413,1cyclictest0-21swapper/623:34:086
3699416991413,1cyclictest0-21swapper/622:40:136
3699416991413,1cyclictest0-21swapper/621:10:126
3699416991413,1cyclictest0-21swapper/600:36:346
3699416991413,1cyclictest0-21swapper/600:33:156
3699416991411,2cyclictest3781044-21kworker/u16:2+flush-8:020:14:066
369941699140,1cyclictest0-21swapper/623:42:396
369941699140,1cyclictest0-21swapper/622:09:196
369941699140,14cyclictest0-21swapper/622:25:436
369941699140,14cyclictest0-21swapper/622:06:006
369941699140,14cyclictest0-21swapper/600:24:546
369941699140,13cyclictest0-21swapper/623:24:036
3699411991413,1cyclictest0-21swapper/523:01:405
3699411991413,1cyclictest0-21swapper/521:10:415
369941199140,1cyclictest0-21swapper/500:20:305
369941199140,14cyclictest0-21swapper/500:35:385
369941199140,13cyclictest0-21swapper/519:44:085
369941199140,11cyclictest0-21swapper/520:30:195
369941899139,3cyclictest1278-21snmpd20:57:097
369941899139,3cyclictest1278-21snmpd20:50:507
369941899139,3cyclictest1278-21snmpd20:16:417
369941899139,3cyclictest1278-21snmpd19:24:197
369941899139,3cyclictest1278-21snmpd19:20:467
369941899137,5cyclictest4082442-21latency_hist22:09:017
3699416991312,1cyclictest0-21swapper/623:55:346
3699416991312,1cyclictest0-21swapper/622:32:106
3699416991312,1cyclictest0-21swapper/621:57:396
3699416991312,1cyclictest0-21swapper/621:52:366
3699416991312,1cyclictest0-21swapper/621:37:376
3699416991312,1cyclictest0-21swapper/621:24:426
369941699130,1cyclictest0-21swapper/620:44:016
369941699130,1cyclictest0-21swapper/620:30:566
369941699130,0cyclictest0-21swapper/622:17:406
3699411991312,1cyclictest0-21swapper/523:30:505
3699411991312,1cyclictest0-21swapper/522:58:125
3699411991312,1cyclictest0-21swapper/522:26:505
3699411991312,1cyclictest0-21swapper/522:17:035
3699411991312,1cyclictest0-21swapper/521:41:355
3699411991312,1cyclictest0-21swapper/500:05:415
3699411991311,2cyclictest0-21swapper/521:15:345
3699411991310,3cyclictest0-21swapper/523:44:245
369941199130,13cyclictest0-21swapper/522:41:305
369941199130,13cyclictest0-21swapper/520:55:335
3699409991311,2cyclictest3868875-21kworker/u16:3+events_unbound20:46:554
3699409991311,2cyclictest2993921-21kworker/u16:7+events_unbound20:04:174
369941899129,2cyclictest0-21swapper/700:09:017
369941899120,10cyclictest1278-21snmpd22:59:277
369941699128,3cyclictest3723771-21cat19:19:156
3699416991211,1cyclictest0-21swapper/623:19:006
3699416991211,1cyclictest0-21swapper/622:00:576
3699416991211,1cyclictest0-21swapper/621:47:336
3699416991211,1cyclictest0-21swapper/620:57:066
3699416991211,1cyclictest0-21swapper/620:21:106
3699416991211,1cyclictest0-21swapper/619:15:166
3699416991211,1cyclictest0-21swapper/600:06:556
369941699120,1cyclictest0-21swapper/619:36:236
369941699120,12cyclictest0-21swapper/621:08:376
369941699120,11cyclictest3800872-21/usr/sbin/munin19:59:256
369941199128,1cyclictest0-21swapper/522:47:575
369941199128,1cyclictest0-21swapper/520:10:185
369941199127,1cyclictest0-21swapper/521:54:185
369941199125,2cyclictest0-21swapper/521:29:305
3699411991211,1cyclictest0-21swapper/522:13:455
3699411991211,1cyclictest0-21swapper/522:03:395
3699411991211,1cyclictest0-21swapper/521:20:275
3699411991211,1cyclictest0-21swapper/520:16:555
3699411991210,2cyclictest0-21swapper/522:08:425
369941199120,1cyclictest0-21swapper/519:55:385
369941199120,12cyclictest0-21swapper/520:47:115
369941199120,0cyclictest0-21swapper/500:25:335
3699409991210,2cyclictest3857715-21kworker/u16:1+flush-8:020:29:174
369940999120,1cyclictest0-21swapper/420:24:524
369940999120,1cyclictest0-21swapper/420:24:524
369941899118,2cyclictest1278-21snmpd20:19:267
369941899117,3cyclictest6083-21gmain20:39:227
369941899114,6cyclictest6083-21gmain19:59:237
369941699119,2cyclictest3645107-21kworker/u16:0+flush-8:019:44:286
369941699116,4cyclictest32562-21timerandwakeup23:04:296
369941699112,8cyclictest3953357-21grep21:14:216
3699416991110,1cyclictest0-21swapper/620:26:036
3699416991110,1cyclictest0-21swapper/620:26:036
3699416991110,1cyclictest0-21swapper/619:49:096
369941699110,11cyclictest0-21swapper/620:05:056
369941199119,2cyclictest3715293-21kthreadcore19:14:195
369941199118,1cyclictest0-21swapper/523:57:295
369941199116,1cyclictest0-21swapper/523:49:165
3699411991110,1cyclictest0-21swapper/523:10:215
3699411991110,1cyclictest0-21swapper/523:10:215
3699411991110,1cyclictest0-21swapper/522:31:435
3699411991110,1cyclictest0-21swapper/522:21:575
3699411991110,1cyclictest0-21swapper/520:35:225
3699411991110,1cyclictest0-21swapper/520:20:145
3699411991110,1cyclictest0-21swapper/520:00:325
369940999110,1cyclictest0-21swapper/419:35:414
369941899106,3cyclictest6634-21gmain20:44:227
369941899106,3cyclictest1278-21snmpd20:04:047
369941699107,2cyclictest16579-21cut22:59:236
369941699100,9cyclictest3962385-21irqcore21:19:156
369941699100,9cyclictest194651-21cut00:14:136
369941699100,4cyclictest3820289-21/usr/sbin/munin20:09:306
369941699100,4cyclictest207327-21irqcore00:19:176
369941699100,4cyclictest183394-21kthreadcore00:09:196
369941699100,3cyclictest3898247-21cpuspeed_turbos20:49:136
369941699100,3cyclictest158459-21ps23:59:166
369941699100,2cyclictest3583-21cut22:54:196
369941199109,1cyclictest0-21swapper/523:22:205
369941199109,1cyclictest0-21swapper/523:06:535
369941199109,1cyclictest0-21swapper/522:49:325
369941199109,1cyclictest0-21swapper/521:36:425
369941199109,1cyclictest0-21swapper/520:40:255
369941199109,1cyclictest0-21swapper/519:30:535
369941199109,1cyclictest0-21swapper/500:17:115
369941199107,2cyclictest4152346-21needreboot22:34:225
369941199100,6cyclictest108943-21tr23:39:125
369941199100,0cyclictest0-21swapper/520:25:175
369941199100,0cyclictest0-21swapper/520:25:175
369940999109,1cyclictest0-21swapper/419:32:224
36994189994,4cyclictest3919656-21grep20:59:187
36994169996,2cyclictest0-21swapper/622:44:146
36994169996,2cyclictest0-21swapper/619:24:296
36994169992,6cyclictest4180959-21fschecks_count22:49:156
36994169990,8cyclictest3917511-21/usr/sbin/munin20:59:306
36994169990,2cyclictest0-21swapper/623:29:176
36994119998,1cyclictest0-21swapper/520:05:255
36994119997,1cyclictest0-21swapper/523:34:145
36994119996,2cyclictest0-21swapper/521:04:195
36994119996,2cyclictest0-21swapper/519:24:295
36994169986,1cyclictest0-21swapper/620:34:196
36994169985,2cyclictest3742722-21grep19:29:126
36994119987,1cyclictest0-21swapper/523:59:045
36994119986,1cyclictest0-21swapper/523:24:175
36994119986,1cyclictest0-21swapper/521:44:195
36994119986,1cyclictest0-21swapper/519:34:145
36994119985,2cyclictest0-21swapper/523:14:115
36994119983,4cyclictest4035054-21cut21:49:155
36994119983,4cyclictest3763773-21cut19:39:185
36994119983,4cyclictest231571-21sed00:29:165
36994119980,7cyclictest3906129-21kthreadcore20:49:225
36994099983,4cyclictest3830836-21awk20:14:184
36994169973,3cyclictest3791829-21perl19:54:156
36994169972,4cyclictest3888400-21grep20:44:136
36994119974,2cyclictest3918344-21irqcore20:59:175
36994119974,2cyclictest3700571-21irqcore19:09:185
36994119974,2cyclictest0-21swapper/519:19:125
36994119973,3cyclictest3781988-21fschecks_count19:49:155
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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