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2026-05-23 - 13:39
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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 the highest latencies:
System rackeslot8.osadl.org (updated Sat May 23, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3905621993027,1cyclictest0-21swapper/321:00:003
3905621993027,1cyclictest0-21swapper/321:00:003
3905621993027,1cyclictest0-21swapper/319:50:013
3905621992623,1cyclictest0-21swapper/300:00:003
390562199261,21cyclictest4062366-21turbostat21:10:003
390562199261,21cyclictest4023662-21turbostat20:40:003
3905621992421,1cyclictest0-21swapper/323:40:003
3905621992420,2cyclictest130884-21turbostat23:55:003
390562199232,17cyclictest170873-21chrt00:20:123
3905621992320,1cyclictest0-21swapper/323:20:003
3905621992320,1cyclictest0-21swapper/321:45:203
3905621992320,1cyclictest0-21swapper/300:37:073
390562199230,19cyclictest3965620-21turbostat19:55:003
3905621992118,1cyclictest0-21swapper/323:30:143
3905621992118,1cyclictest0-21swapper/322:05:173
390562199202,14cyclictest3233-21taskset22:32:123
3905621992017,1cyclictest0-21swapper/321:35:173
3905621992017,1cyclictest0-21swapper/320:25:253
390562199201,14cyclictest4125925-21chrt21:50:133
390562199201,14cyclictest3933755-21taskset19:30:013
390562199201,14cyclictest3933755-21taskset19:30:013
3905621992010,7cyclictest662092sleep323:11:023
390562199192,13cyclictest4055590-21taskset21:01:223
3905621991916,1cyclictest0-21swapper/320:24:063
3905621991916,1cyclictest0-21swapper/300:15:193
390562199191,14cyclictest4117624-21taskset21:44:563
390562199191,14cyclictest3946333-21sleep19:40:003
390562199191,14cyclictest108014-21taskset23:40:143
390562199191,13cyclictest4036462-21taskset20:49:553
390562199182,12cyclictest4141702-21taskset22:00:113
3905621991815,1cyclictest0-21swapper/323:25:163
3905621991815,1cyclictest0-21swapper/322:55:003
3905621991815,1cyclictest0-21swapper/322:55:003
3905621991815,1cyclictest0-21swapper/320:00:263
390562199181,14cyclictest4017016-21taskset20:32:553
390562199181,13cyclictest50985-21taskset23:02:303
390562199181,13cyclictest4188879-21taskset22:26:293
390562199181,13cyclictest4100529-21taskset21:31:123
390562199181,13cyclictest4093736-21taskset21:29:173
390562199181,13cyclictest3965894-21taskset19:55:113
390562199181,13cyclictest3920897-21taskset19:20:033
390562199181,13cyclictest3919669-21taskset19:15:233
390562199181,13cyclictest193887-21taskset00:34:203
390562199181,13cyclictest18741-21taskset22:41:023
390562199181,13cyclictest18741-21taskset22:41:013
390562199181,13cyclictest139625-21taskset00:00:153
390562199181,12cyclictest4070523-21taskset21:15:023
390562199181,12cyclictest147014-21taskset00:05:003
411051621712,2sleep10-21swapper/121:40:141
3905621991715,1cyclictest0-21swapper/323:20:063
3905621991714,1cyclictest0-21swapper/320:50:343
390562199171,13cyclictest4181549-21taskset22:23:213
390562199171,13cyclictest4139964-21taskset21:56:103
390562199171,13cyclictest4084830-21taskset21:21:263
390562199171,13cyclictest4062661-21taskset21:10:083
390562199171,13cyclictest3984644-21taskset20:06:173
390562199171,13cyclictest3952569-21taskset19:43:003
390562199171,13cyclictest3933331-21taskset19:27:493
390562199171,13cyclictest27993-21taskset22:49:313
390562199171,13cyclictest27993-21taskset22:49:313
390562199171,12cyclictest4172057-21chrt22:15:233
390562199171,12cyclictest4164811-21taskset22:10:503
390562199171,12cyclictest4029424-21taskset20:40:253
390562199171,12cyclictest3991042-21taskset20:11:103
390562199171,12cyclictest3905839-21chrt19:10:123
390562199171,12cyclictest184629-21taskset00:25:463
390562199171,12cyclictest184629-21taskset00:25:453
390562199171,12cyclictest154923-21taskset00:10:013
1423782170,8sleep2431ktimers/200:00:182
390562199161,12cyclictest52578-21taskset23:05:143
390562199161,12cyclictest10528-21taskset22:35:273
390562199161,11cyclictest3997536-21taskset20:16:043
390562199161,11cyclictest36401-21taskset22:55:083
390562199160,12cyclictest115463-21taskset23:45:083
39054472160,3sleep30-21swapper/319:09:253
39012532151,3sleep13903036-21kthreadcore19:05:191
41738092140,11sleep24173815-21ssh22:18:472
39338032141,10sleep10-21swapper/119:30:121
39338032141,10sleep10-21swapper/119:30:121
39045312140,8sleep03904568-21ntpq19:05:210
35362141,10sleep13542-21ssh22:32:581
997522131,4sleep099911-21df_inode23:35:120
997022131,4sleep299739-21apt-get23:35:092
800932131,9sleep081060-21/usr/sbin/munin23:20:200
509982131,9sleep151004-21ssh23:02:341
429642131,9sleep142970-21ssh22:57:151
40550482130,5sleep20-21swapper/221:00:252
1617302130,10sleep2161735-21sh00:12:382
1464572130,9sleep1146465-21ssh00:04:071
1127522132,8sleep0112845-21ntpq23:40:200
41606342123,7sleep24162384-21kthreadcore22:10:192
41003352120,3sleep24100341-21ssh21:30:442
40623102121,2sleep20-21swapper/221:09:322
39337702121,8sleep03933802-21/usr/sbin/munin19:30:110
39337702121,8sleep03933802-21/usr/sbin/munin19:30:110
679932111,7sleep068030-21apt-get23:15:110
623622111,7sleep064027-21kthreadcore23:10:170
41891252110,8sleep24189131-21ssh22:27:132
41721832110,8sleep14166718-21/usr/sbin/munin22:15:261
40777172110,8sleep14077723-21ssh21:18:451
39517342110,8sleep03951780-21ntpq19:40:210
39144622111,6sleep1222-21plymouthd19:15:131
1944922111,7sleep2194487-21apt-get00:35:112
125842112,6sleep012607-21basename22:40:110
125842112,6sleep012607-21basename22:40:100
1230192113,5sleep2672-21dbus-daemon23:50:012
1108722111,8sleep2112141-21ssh23:40:182
912442100,2sleep1222-21plymouthd23:29:231
41504452100,3sleep24150451-21ssh22:04:522
40883122100,7sleep04090042-21kthreadcore21:25:170
39986032101,6sleep03999538-21irqstats20:20:140
39849122100,2sleep1222-21plymouthd20:09:451
1938332100,3sleep2222-21plymouthd00:34:072
1694382100,7sleep1169444-21ssh00:17:101
1175002100,7sleep0119119-21kthreadcore23:45:190
97732290,6sleep197740-21ssh23:30:351
58760290,6sleep072-21kcompactd023:07:130
4188565290,2sleep0222-21plymouthd22:25:430
4183071290,2sleep14183985-21ssh22:25:161
4179923291,5sleep14179959-21ssh22:20:231
4150831290,5sleep2222-21plymouthd22:05:122
4141110290,2sleep04141116-21ssh21:59:210
4125878292,4sleep14125913-21apt-get21:50:131
4125871290,2sleep04125877-21ssh21:50:120
4123315291,5sleep24123360-21ntpq21:45:242
4118006292,4sleep04118030-21apt-get21:45:140
4099626291,5sleep04099667-21ntpq21:30:220
4085196290,2sleep0222-21plymouthd21:22:280
4084895290,2sleep1222-21plymouthd21:21:371
4079946290,6sleep24081014-21kthreadcore21:20:182
4069086290,1sleep00-21swapper/021:11:460
4057576290,6sleep14057608-21kthreadcore21:05:181
4055709290,2sleep1222-21plymouthd21:02:531
4011038290,2sleep00-21swapper/020:30:040
4010574290,2sleep0222-21plymouthd20:27:200
3965863290,6sleep23965891-21acpi19:55:112
3965576291,2sleep0222-21plymouthd19:54:480
3965384290,2sleep2222-21plymouthd19:52:182
3945950290,1sleep20-21swapper/219:35:342
3933281291,5sleep10-21swapper/119:27:111
3927302290,2sleep0222-21plymouthd19:25:020
26772290,1sleep00-21swapper/022:46:130
26772290,1sleep00-21swapper/022:46:120
146744290,1sleep00-21swapper/000:04:580
136563290,2sleep20-21swapper/223:55:222
133772290,6sleep1135466-21kthreadcore23:55:181
83879281,4sleep283876-21apt-get23:25:112
75970281,4sleep276130-21diskstats23:20:142
58477281,3sleep1222-21plymouthd23:06:261
49192281,5sleep00-21swapper/023:00:190
4190495280,4sleep0222-21plymouthd22:30:120
4181752280,4sleep2222-21plymouthd22:23:542
41735281,4sleep041786-21ntp_states22:55:220
4164187281,4sleep14164316-21python322:10:251
4156952280,2sleep14156958-21ssh22:06:001
4153055280,5sleep04154702-21kthreadcore22:05:180
4141863280,6sleep14141918-21fschecks_count22:00:151
4117529280,2sleep0222-21plymouthd21:44:430
4109724280,2sleep2222-21plymouthd21:39:542
4109240280,1sleep0222-21plymouthd21:38:320
4092379280,2sleep24092385-21ssh21:25:312
4055873281,5sleep04056063-21latency_hist21:05:000
4030389280,3sleep0222-21plymouthd20:45:120
4004130282,3sleep2222-21plymouthd20:22:292
3991340280,6sleep03991627-21tar20:15:010
3990730281,4sleep23990974-21users20:10:262
3984015280,5sleep03984050-21ntpq20:05:230
3978835280,4sleep2222-21plymouthd20:05:142
3971768282,3sleep0222-21plymouthd19:56:250
3971123281,4sleep13971163-21ntpq19:55:231
3958855280,1sleep00-21swapper/019:45:510
3946245280,1sleep10-21swapper/119:39:221
3926237280,4sleep13926359-21python319:20:261
3899358281,3sleep2222-21plymouthd19:05:042
29929281,4sleep031367-21kthreadcore22:50:180
29929281,4sleep031367-21kthreadcore22:50:170
28707280,5sleep128863-21grep22:50:151
28707280,5sleep128863-21grep22:50:141
19787281,4sleep119793-21ssh22:43:521
19787281,4sleep119793-21ssh22:43:521
1898281,4sleep21944-21ntpq22:30:222
177217281,5sleep10-21swapper/100:21:591
176694280,1sleep20-21swapper/200:20:322
165526280,5sleep2167234-21cut00:15:202
154165280,1sleep2222-21plymouthd00:08:382
154096280,1sleep0222-21plymouthd00:08:270
10077280,6sleep00-21swapper/022:35:250
98309273,2sleep00-21swapper/023:32:110
82855271,4sleep182861-21ssh23:23:131
74533270,5sleep174535-21ssh23:17:121
74079270,4sleep2222-21plymouthd23:15:572
66170271,3sleep2222-21plymouthd23:10:522
58781271,3sleep258787-21ssh23:07:192
44078271,4sleep244067-21sendmail-msp23:00:022
4166758271,2sleep00-21swapper/022:15:130
4158790270,3sleep04158794-21apt-get22:10:110
4141623270,1sleep00-21swapper/022:00:050
4140805273,2sleep14140811-21ssh21:58:341
4124933273,2sleep10-21swapper/121:48:191
4116344270,1sleep20-21swapper/221:41:272
4102287270,5sleep14102293-21cpu21:35:121
4099676270,4sleep14099715-21ntpq21:30:231
4070630271,3sleep2222-21plymouthd21:15:142
4069195270,1sleep14069201-21ssh21:12:031
4062684270,3sleep24062719-21apt-get21:10:122
4056161271,3sleep04055888-21apt-get21:05:040
4049360270,5sleep11-21systemd21:00:011
4049360270,5sleep11-21systemd21:00:001
4042182270,1sleep00-21swapper/020:50:420
4038845270,4sleep14040604-21tr20:50:351
4035777270,5sleep14035898-21timerandwakeup20:45:251
4029213271,3sleep04029243-21ntpq20:40:240
4024978271,4sleep24026031-21cut20:40:172
4023953271,3sleep10-21swapper/120:40:121
4023375270,4sleep0222-21plymouthd20:36:420
4018851271,4sleep24020401-21kthreadcore20:35:162
4016860271,3sleep1222-21plymouthd20:30:581
4011040270,1sleep20-21swapper/220:30:062
4010715270,1sleep20-21swapper/220:29:102
4010489270,1sleep1222-21plymouthd20:26:171
4004099270,1sleep10-21swapper/120:22:081
3977577271,3sleep0222-21plymouthd20:00:220
3972374270,4sleep2222-21plymouthd20:00:122
3965370270,1sleep10-21swapper/119:52:091
3959173271,3sleep1222-21plymouthd19:49:571
3920429271,3sleep0222-21plymouthd19:17:560
3919624270,4sleep23919667-21ntpq19:15:232
3911755270,1sleep00-21swapper/019:11:590
3911670272,2sleep2222-21plymouthd19:10:532
201532270,1sleep1201538-21ssh00:38:391
201207271,3sleep0222-21plymouthd00:37:510
191795271,3sleep0191847-21ntpq00:30:200
185046270,5sleep2185048-21ssh00:26:492
185046270,5sleep2185048-21ssh00:26:492
184569270,1sleep10-21swapper/100:25:361
184569270,1sleep10-21swapper/100:25:361
137672270,4sleep0137678-21ssh23:57:000
130865271,3sleep1131012-21ssh23:55:011
123353270,3sleep2123394-21ssh23:50:132
12036270,4sleep1222-21plymouthd22:39:231
109254271,3sleep1222-21plymouthd23:40:171
9983260,3sleep210017-21ntpq22:35:232
98169260,3sleep2222-21plymouthd23:31:402
86465260,3sleep088132-21kthreadcore23:25:180
66994260,4sleep167000-21ssh23:13:111
4182220261,3sleep0672-21dbus-daemon22:24:590
4125918260,3sleep24125924-21ssh21:50:132
4092713260,3sleep1222-21plymouthd21:26:221
4049051260,1sleep20-21swapper/220:56:082
4049051260,1sleep20-21swapper/220:56:082
4043190261,2sleep04043223-21apt-get20:55:100
4043190261,2sleep04043223-21apt-get20:55:100
4042724260,1sleep20-21swapper/220:52:282
4035565260,3sleep20-21swapper/220:45:222
4017484260,2sleep10-21swapper/120:35:111
3994161261,2sleep10-21swapper/120:15:181
3991028260,1sleep10-21swapper/120:11:011
3978253260,3sleep1222-21plymouthd20:01:511
3958842260,1sleep20-21swapper/219:45:402
3952437260,3sleep2222-21plymouthd19:41:192
3946625260,3sleep13946782-21diskstats19:40:141
3946187260,4sleep00-21swapper/019:38:380
3926897260,1sleep20-21swapper/219:23:072
3926764260,2sleep0222-21plymouthd19:21:250
3911087260,3sleep13911134-21ntp_states19:10:231
28439260,3sleep2222-21plymouthd22:50:032
28439260,3sleep2222-21plymouthd22:50:032
27696260,3sleep127702-21ssh22:48:451
27696260,3sleep127702-21ssh22:48:451
25863261,3sleep225908-21ntpq22:45:222
25863261,3sleep225908-21ntpq22:45:222
188044260,3sleep1189668-21kthreadcore00:30:171
178998260,3sleep0179171-21/usr/sbin/munin00:25:150
178998260,3sleep0179171-21/usr/sbin/munin00:25:150
177216260,2sleep0222-21plymouthd00:21:580
169113260,4sleep0222-21plymouthd00:16:130
154984260,2sleep0155025-21ssh00:10:110
153868260,3sleep1153874-21ssh00:07:441
12539263,1sleep20-21swapper/222:40:042
12539263,1sleep20-21swapper/222:40:042
121443260,3sleep10-21swapper/123:45:401
106503260,1sleep1106509-21ssh23:37:571
4133704250,2sleep2222-21plymouthd21:55:062
4076832250,2sleep0222-21plymouthd21:16:150
3991645250,2sleep23991678-21apt-get20:15:122
3985238250,2sleep00-21swapper/020:10:120
3934851250,2sleep20-21swapper/219:30:172
3934851250,2sleep20-21swapper/219:30:172
3927352250,2sleep20-21swapper/219:25:122
36452250,2sleep20-21swapper/222:55:122
154936250,3sleep10-21swapper/100:10:041
124785250,3sleep0126239-21kthreadcore23:50:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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