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2026-07-04 - 05:41
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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 Jul 04, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
413655821330,2sleep24136561-21kthreadcore21:20:192
20762321100,1sleep30-21swapper/300:10:153
3962250993128,1cyclictest0-21swapper/322:55:003
3962250992724,1cyclictest0-21swapper/319:10:163
3962250992623,1cyclictest0-21swapper/323:00:153
3962250992623,1cyclictest0-21swapper/322:40:243
3962250992522,1cyclictest0-21swapper/322:20:183
3962250992522,1cyclictest0-21swapper/321:20:133
3962250992522,1cyclictest0-21swapper/320:50:003
3962250992320,1cyclictest0-21swapper/323:57:483
3962250992320,1cyclictest0-21swapper/321:15:243
3962250992220,1cyclictest0-21swapper/320:20:123
3962250992219,1cyclictest0-21swapper/323:20:123
3962250992118,1cyclictest0-21swapper/323:15:183
3962250992118,1cyclictest0-21swapper/321:35:183
3962250992118,1cyclictest0-21swapper/320:30:013
3962250992017,1cyclictest0-21swapper/322:00:073
3962250992017,1cyclictest0-21swapper/320:40:143
3962250992017,1cyclictest0-21swapper/319:30:013
396225099201,15cyclictest114933-21taskset23:10:173
396225099197,8cyclictest40241272sleep319:55:173
3962250991916,1cyclictest0-21swapper/322:30:193
3962250991916,1cyclictest0-21swapper/321:55:003
3962250991916,1cyclictest0-21swapper/320:10:263
3962250991916,1cyclictest0-21swapper/319:35:243
3962250991916,1cyclictest0-21swapper/319:20:193
3962250991916,1cyclictest0-21swapper/300:00:163
3962250991915,2cyclictest159670-21sleep23:40:013
396225099191,14cyclictest4165343-21taskset21:40:133
396225099191,14cyclictest181968-21taskset23:51:393
396225099187,7cyclictest40795962sleep320:39:563
3962250991815,1cyclictest0-21swapper/322:48:253
3962250991815,1cyclictest0-21swapper/321:10:193
3962250991815,1cyclictest0-21swapper/320:00:033
396225099181,13cyclictest95436-21taskset22:56:063
396225099181,13cyclictest49686-21taskset22:30:003
396225099181,13cyclictest4178573-21taskset21:45:213
396225099181,13cyclictest4147138-21taskset21:25:293
396225099181,13cyclictest4104980-21taskset20:57:543
396225099181,13cyclictest4073024-21taskset20:33:093
396225099181,13cyclictest4013069-21taskset19:45:183
396225099181,13cyclictest3970252-21taskset19:15:033
396225099181,13cyclictest24573-21taskset22:10:513
396225099181,13cyclictest244544-21taskset00:30:563
396225099181,13cyclictest214949-21chrt00:15:133
396225099181,13cyclictest175069-21taskset23:49:113
396225099181,13cyclictest175069-21taskset23:49:103
396225099181,13cyclictest150123-21taskset23:30:263
396225099181,13cyclictest143191-21taskset23:27:543
396225099181,13cyclictest110916-21taskset23:05:283
396225099181,10cyclictest222451-21sleep00:24:553
41783742171,4sleep04178468-21ntpq21:45:200
396225099172,12cyclictest4105431-21taskset21:00:113
3962250991714,1cyclictest0-21swapper/319:50:163
396225099171,13cyclictest65038-21taskset22:39:023
396225099171,13cyclictest4097835-21taskset20:50:213
396225099171,13cyclictest4053947-21taskset20:19:313
396225099171,13cyclictest3990722-21taskset19:30:143
396225099171,13cyclictest18079-21taskset22:09:353
396225099171,13cyclictest18079-21taskset22:09:353
396225099171,13cyclictest166696-21taskset23:42:413
396225099171,13cyclictest1240-21taskset21:56:363
396225099171,12cyclictest4149576-21taskset21:30:033
396225099171,12cyclictest4117399-21taskset21:05:283
396225099171,12cyclictest4040930-21taskset20:07:043
396225099171,12cyclictest246325-21taskset00:35:103
396225099170,14cyclictest230578-21taskset00:25:033
40926862160,8sleep14092687-21/usr/sbin/munin20:50:121
396225099169,5cyclictest263582sleep322:15:093
3962250991613,1cyclictest0-21swapper/319:40:053
396225099161,12cyclictest204839-21taskset00:05:263
40665892142,4sleep2222-21plymouthd20:27:312
39619182140,2sleep30-21swapper/319:07:383
39838862131,8sleep13983985-21tr19:25:121
2311122131,8sleep0232048-21/usr/sbin/munin00:25:160
1027402131,9sleep0102942-21/usr/sbin/munin23:00:250
801732120,2sleep00-21swapper/022:47:230
494182120,9sleep249422-21ssh22:29:112
2376712120,8sleep2237679-21ssh00:28:402
2221992120,9sleep1222205-21ssh00:19:281
2123802121,8sleep1212431-21ntp_states00:10:221
1495672120,9sleep2149618-21ntp_states23:30:222
1009262121,8sleep197152-21/usr/sbin/munin23:00:181
814852116,2sleep20-21swapper/222:50:122
41331042110,7sleep14133108-21ssh21:18:301
39560482111,5sleep1222-21plymouthd19:05:121
356692110,8sleep236922-21cut22:20:182
2480032110,8sleep2249605-21tr00:35:172
21302111,2sleep1222-21plymouthd21:59:041
1885932110,8sleep2188716-21ntpq23:55:192
1521042111,2sleep20-21swapper/223:35:112
1457132110,8sleep1147201-21tr23:30:171
1110492110,2sleep0222-21plymouthd23:05:500
41157332100,2sleep20-21swapper/221:05:192
41113612101,3sleep2222-21plymouthd21:02:032
40901262100,3sleep2222-21plymouthd20:45:192
40286522100,7sleep24028716-21ls20:00:132
39562362101,5sleep03956320-21grep19:05:150
2227112101,6sleep1222715-21ssh00:20:041
1970102100,7sleep0197255-21grep00:00:270
1535452100,7sleep0154988-21cut23:35:170
1277362100,7sleep01000-21snmpd23:18:370
96156290,1sleep00-21swapper/022:58:130
81460291,4sleep181482-21apt-get22:50:111
65703291,5sleep265463-21sendmail-msp22:40:062
63838291,5sleep263844-21ssh22:35:372
43140291,5sleep043893-21grep22:25:170
4164145292,4sleep1222-21plymouthd21:37:381
4141867291,4sleep14141870-21apt-get21:25:121
4106833295,2sleep14107780-21kthreadcore21:00:191
4067531291,5sleep20-21swapper/220:30:162
4067050291,4sleep14067083-21apt-get20:30:111
4003235291,5sleep14002801-21sendmail-msp19:40:161
3977369291,5sleep23977152-21sendmail-msp19:20:042
3962447290,6sleep23962597-21df_inode19:10:142
3956084291,4sleep20-21swapper/219:05:132
27314290,2sleep0222-21plymouthd22:15:140
25539290,1sleep20-21swapper/222:13:412
252875290,3sleep1252881-21ssh00:37:161
2475291,6sleep22775-21tar22:00:012
246344290,2sleep00-21swapper/000:35:110
197898290,2sleep1197904-21ssh00:02:081
187915290,7sleep1188592-21/usr/sbin/munin23:55:191
175874291,5sleep2176046-21head23:50:142
135799290,1sleep2222-21plymouthd23:24:042
112935291,4sleep1222-21plymouthd23:10:121
112893291,4sleep0112930-21apt-get23:10:110
110343291,5sleep1110389-21ntpq23:05:241
8957281,4sleep18961-21ssh22:01:001
86751281,4sleep086797-21ntpq22:50:220
80631281,4sleep280637-21ssh22:48:322
4187154282,4sleep14112123-21kworker/u16:3+nfsiod21:51:141
4165494281,4sleep04165015-21sendmail-msp21:40:140
4165296281,4sleep14165015-21sendmail-msp21:40:111
4133978281,4sleep04133984-21ssh21:20:090
4132453281,4sleep04132459-21ssh21:16:410
4117958284,2sleep0151ktimers/021:09:190
4104178281,4sleep24104221-21ntpq20:55:222
4078655281,4sleep24078692-21ntpq20:35:212
4065741281,4sleep04065836-21ntpq20:25:210
4037301280,6sleep14039112-21cut20:05:171
3997029281,4sleep23997580-21ps19:35:162
3995499281,5sleep23995538-21pluginstate19:30:222
39660281,4sleep039696-21ntpq22:20:230
224575280,5sleep2225994-21kthreadcore00:20:172
222141280,1sleep0222-21plymouthd00:19:190
212336281,4sleep0212376-21ntpq00:10:210
203253281,4sleep0204382-21memory00:05:200
19951280,6sleep021022-21cut22:10:170
175191281,4sleep2222-21plymouthd23:49:302
175191281,4sleep2222-21plymouthd23:49:302
167524280,5sleep1167630-21latency_hist23:45:001
160002281,3sleep20-21swapper/223:40:122
15923281,4sleep015968-21ntpq22:05:200
15923281,4sleep015968-21ntpq22:05:200
14450280,6sleep2222-21plymouthd22:05:182
14450280,6sleep2222-21plymouthd22:05:182
141194280,6sleep0141628-21grep23:25:180
10903281,4sleep10-21swapper/122:05:141
10903281,4sleep10-21swapper/122:05:131
89260271,3sleep289295-21apt-get22:55:092
65752271,3sleep165463-21sendmail-msp22:40:131
58137271,4sleep058329-21basename22:35:160
57908270,3sleep10-21swapper/122:35:121
49956270,1sleep20-21swapper/222:30:042
4186329270,5sleep24186377-21ssh21:50:222
4170705270,4sleep24170750-21ntp_states21:40:242
4156504270,3sleep2222-21plymouthd21:33:112
4151045271,3sleep14152244-21kthreadcore21:30:171
4149655270,3sleep00-21swapper/021:30:120
4148174270,1sleep00-21swapper/021:26:470
4123637270,1sleep14123673-21ssh21:10:251
4118579271,4sleep24118781-21hddtemp_smartct21:10:182
4118012270,1sleep10-21swapper/121:10:001
4099377271,4sleep04099508-21basename20:55:160
4094495271,3sleep04096248-21kthreadcore20:50:190
4092718270,3sleep2222-21plymouthd20:50:122
4091457270,4sleep04091500-21ntpq20:45:210
4085158270,4sleep04085195-21ntpq20:40:250
4080996271,4sleep24081877-21cut20:40:182
4079305270,1sleep00-21swapper/020:36:110
4065838270,4sleep14065872-21ntpq20:25:221
4060156270,4sleep0222-21plymouthd20:21:440
4055782271,4sleep24057312-21kthreadcore20:20:182
4053752270,1sleep10-21swapper/120:17:001
4053706270,1sleep00-21swapper/020:16:270
4040974271,3sleep2222-21plymouthd20:07:402
4031610272,2sleep04033488-21kthreadcore20:00:190
4028646271,3sleep1249-21jbd2/sda2-820:00:121
4023188270,4sleep24024126-21kthreadcore19:55:172
4021794271,3sleep2222-21plymouthd19:52:482
4009110270,1sleep20-21swapper/219:43:372
4002674270,1sleep00-21swapper/019:39:110
4002484270,5sleep10-21swapper/119:36:441
3989968270,1sleep10-21swapper/119:30:011
3976872270,3sleep1222-21plymouthd19:17:101
3970969270,3sleep23971002-21apt-get19:15:112
3962446270,4sleep10-21swapper/119:10:131
221218271,3sleep2221224-21ssh00:16:412
213144270,1sleep20-21swapper/200:11:032
182491270,1sleep10-21swapper/123:53:021
1777270,5sleep0222-21plymouthd21:58:070
173168271,3sleep0173213-21ntp_states23:45:240
173168271,3sleep0173213-21ntp_states23:45:230
144318271,3sleep0144324-21ssh23:30:120
142674271,3sleep2222-21plymouthd23:26:302
128780271,4sleep1128287-21sendmail-msp23:20:141
126759270,4sleep1222-21plymouthd23:15:541
122168272,2sleep2421rcuc/223:15:192
112692271,3sleep2112622-21appstreamcli23:10:012
105441271,3sleep2105860-21irqcore23:05:172
96126260,3sleep1222-21plymouthd22:58:021
73869260,3sleep173994-21ssh22:45:141
50027260,3sleep1222-21plymouthd22:30:111
50000261,3sleep050026-21awk22:30:100
49224260,1sleep10-21swapper/122:28:421
4179595261,3sleep10-21swapper/121:46:531
4176023261,2sleep20-21swapper/221:45:172
4164314260,3sleep2222-21plymouthd21:38:122
4164088260,1sleep00-21swapper/021:37:290
4142605261,2sleep2222-21plymouthd21:25:172
4139472261,3sleep14139583-21python321:20:261
4133614260,3sleep21000-21snmpd21:19:552
4125522260,2sleep0222-21plymouthd21:14:160
4111313260,1sleep00-21swapper/021:01:290
4105018260,1sleep10-21swapper/120:58:251
4088352260,2sleep10-21swapper/120:45:181
4085697260,2sleep1222-21plymouthd20:40:411
4078561261,3sleep14078654-21ld20:35:201
4073006260,1sleep00-21swapper/020:32:560
4055230261,3sleep14055781-21kthreadcore20:20:171
4053651260,1sleep20-21swapper/220:15:462
4042868261,3sleep04044226-21kthreadcore20:10:170
4041464260,2sleep1222-21plymouthd20:10:101
4041453260,3sleep24041186-21apt-get20:10:032
4028253260,1sleep00-21swapper/019:59:030
4022244260,3sleep10-21swapper/119:55:121
4018751260,3sleep14020647-21cut19:50:181
4015377261,2sleep20-21swapper/219:47:222
4010442261,3sleep14011326-21kthreadcore19:45:181
4008260260,3sleep04008301-21ntpq19:40:230
3996248260,1sleep00-21swapper/019:33:410
3989819260,3sleep2222-21plymouthd19:28:062
3983861261,2sleep00-21swapper/019:25:120
3983569260,1sleep10-21swapper/119:24:521
3983271260,3sleep0222-21plymouthd19:21:020
3976787260,1sleep00-21swapper/019:16:100
32258260,3sleep2222-21plymouthd22:15:282
31896260,4sleep132064-21ssh22:15:231
2846261,2sleep02883-21apt-get22:00:110
245347260,2sleep0222-21plymouthd00:33:060
23821260,3sleep123876-21ntpq22:10:231
229136260,3sleep0222-21plymouthd00:21:400
206775261,2sleep20-21swapper/200:10:002
205370260,1sleep10-21swapper/100:06:101
198535260,3sleep2198541-21ssh00:03:532
186219260,3sleep0186575-21kthreadcore23:55:180
182238260,1sleep00-21swapper/023:52:210
167851261,2sleep10-21swapper/123:45:121
167851261,2sleep10-21swapper/123:45:121
161522260,4sleep0162935-21cut23:40:180
152315260,1sleep10-21swapper/123:35:141
128660260,3sleep0128779-21diskstats23:20:130
67499250,2sleep068931-21ssh22:40:200
4188780250,2sleep2222-21plymouthd21:55:032
4181682251,2sleep00-21swapper/021:50:160
4036264251,2sleep0222-21plymouthd20:05:160
40228250,2sleep1222-21plymouthd22:20:321
4017251250,3sleep0222-21plymouthd19:50:170
4009489251,1sleep04009521-21apt-get19:45:120
3968388250,2sleep0222-21plymouthd19:12:480
238497250,2sleep10-21swapper/100:30:111
238448250,3sleep20-21swapper/200:30:082
236642250,3sleep1236648-21ssh00:25:461
136388250,2sleep1136394-21ssh23:25:031
103608250,2sleep2222-21plymouthd23:01:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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