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2026-09-12 - 13:53
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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 Sep 12, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13809412550,2sleep1321rcuc/123:10:211
12256812350,6sleep2431ktimers/221:31:112
1031882992825,1cyclictest0-21swapper/321:20:013
1031882992724,1cyclictest0-21swapper/320:00:153
1031882992724,1cyclictest0-21swapper/320:00:143
1031882992522,1cyclictest0-21swapper/300:15:153
103188299251,17cyclictest1305293-21taskset22:25:013
1031882992421,1cyclictest0-21swapper/322:00:013
1031882992320,1cyclictest0-21swapper/320:40:153
1031882992320,1cyclictest0-21swapper/320:30:133
1031882992320,1cyclictest0-21swapper/300:05:003
1031882992219,1cyclictest0-21swapper/322:40:103
1031882992219,1cyclictest0-21swapper/322:30:023
103188299212,15cyclictest1404641-21taskset23:25:233
1031882992118,1cyclictest0-21swapper/323:50:243
1031882992118,1cyclictest0-21swapper/323:40:153
1031882992118,1cyclictest0-21swapper/321:15:003
1031882992117,1cyclictest0-21swapper/323:20:223
103188299211,15cyclictest1485093-21chrt00:20:113
103188299211,15cyclictest1175079-21taskset20:59:483
1031882992110,8cyclictest1177188-21taskset21:00:183
103188299202,14cyclictest1508307-21turbostat00:35:003
1031882992017,1cyclictest0-21swapper/323:01:133
103188299201,15cyclictest1136587-21taskset20:28:453
1031882991916,1cyclictest0-21swapper/323:45:193
1031882991916,1cyclictest0-21swapper/321:40:343
1031882991916,1cyclictest0-21swapper/321:35:173
1031882991916,1cyclictest0-21swapper/321:20:153
1031882991916,1cyclictest0-21swapper/320:50:243
1031882991916,1cyclictest0-21swapper/319:40:173
1031882991916,1cyclictest0-21swapper/300:10:213
103188299191,14cyclictest1449407-21taskset23:55:183
103188299191,14cyclictest1296132-21taskset22:16:433
103188299191,14cyclictest1271651-21taskset22:00:233
103188299182,13cyclictest1250410-21taskset21:49:493
103188299182,13cyclictest1046648-21taskset19:18:383
1031882991815,1cyclictest0-21swapper/323:07:503
1031882991815,1cyclictest0-21swapper/321:05:173
1031882991815,1cyclictest0-21swapper/320:21:073
103188299181,13cyclictest1513954-21taskset00:35:243
103188299181,13cyclictest1466931-21taskset00:05:213
103188299181,13cyclictest1383514-21chrt23:15:003
103188299181,13cyclictest1352329-21taskset22:55:033
103188299181,13cyclictest1320991-21taskset22:35:033
103188299181,13cyclictest1319177-21taskset22:30:353
103188299181,13cyclictest1280705-21taskset22:07:133
103188299181,13cyclictest1162118-21taskset20:47:183
103188299181,13cyclictest1098209-21turbostat20:00:003
103188299181,13cyclictest1090934-21taskset19:50:223
103188299181,13cyclictest1084250-21taskset19:45:203
103188299181,13cyclictest1065844-21taskset19:31:543
103188299181,13cyclictest1032513-21taskset19:10:173
103188299181,12cyclictest1117739-21chrt20:15:113
14223322171,4sleep01422411-21systemd-run23:40:010
13368072171,12sleep01336847-21ssh22:45:120
1031882991714,1cyclictest0-21swapper/322:10:183
1031882991714,1cyclictest0-21swapper/319:29:223
1031882991714,1cyclictest0-21swapper/319:20:173
103188299171,13cyclictest1375719-21taskset23:10:043
103188299171,13cyclictest1342952-21taskset22:45:573
103188299171,13cyclictest1225717-21taskset21:31:163
103188299171,12cyclictest1498255-21taskset00:25:213
103188299171,12cyclictest1250803-21chrt21:50:123
103188299171,12cyclictest1071883-21taskset19:35:253
103188299170,13cyclictest1421866-21taskset23:38:343
11123052161,3sleep10-21swapper/120:10:171
103188299162,11cyclictest1211766-21taskset21:25:113
103188299161,12cyclictest1413042-21taskset23:30:373
103188299161,12cyclictest1349807-21taskset22:50:193
103188299161,12cyclictest1111545-21taskset20:10:143
103188299161,12cyclictest1110768-21taskset20:06:013
103188299161,11cyclictest1149178-21taskset20:35:513
11963382151,4sleep11196501-21grep21:15:161
11883542152,4sleep01188350-21apt-get21:10:130
10315642150,2sleep30-21swapper/319:08:053
14594682142,3sleep21459581-21timerandwakeup00:00:262
14227322141,10sleep20-21swapper/223:40:142
14064172140,10sleep11406423-21ssh23:29:031
13918862145,3sleep0171rcu_preempt23:20:150
13603602140,3sleep01360355-21ssh23:00:130
14854692130,3sleep21485831-21sed00:20:162
14058062130,9sleep21405812-21ssh23:27:202
13351432131,9sleep21335147-21ssh22:41:132
13200102131,2sleep00-21swapper/022:32:530
13081442130,1sleep00-21swapper/022:25:170
11052382130,1sleep20-21swapper/220:05:152
10853632131,9sleep11085433-21munin-run19:50:011
10256362130,7sleep2222-21plymouthd19:05:112
15079752120,9sleep21507980-21sh00:34:032
14389632120,3sleep0221rcuc/023:50:140
14266132121,3sleep11427821-21latency23:40:211
13924132121,2sleep1222-21plymouthd23:20:161
13446062121,8sleep01344608-21ssh22:50:040
12347762121,8sleep01234841-21sendmail-msp21:40:010
12171152121,8sleep21217145-21ntpq21:25:272
14708422110,8sleep11471791-21kthreadcore00:10:171
13979202110,8sleep21397924-21ssh23:21:582
13639712110,8sleep11365229-21expr23:00:211
13351572111,7sleep11328597-21sendmail-msp22:41:161
13283302110,8sleep11328336-21ssh22:39:231
12824882110,4sleep11283245-21cut22:10:171
12673012110,8sleep21266026-21sendmail-msp22:00:202
11805192117,2sleep20-21swapper/221:00:222
11455272110,7sleep11147318-21tr20:35:181
11278662117,2sleep20-21swapper/220:20:212
11043462111,7sleep21098240-21sendmail-msp20:00:362
11043462111,7sleep21098240-21sendmail-msp20:00:362
10917712111,8sleep01091795-21latency_hist19:55:000
10587382111,8sleep01058775-21ntpq19:25:220
10529442110,1sleep00-21swapper/019:21:290
14545092100,7sleep01453604-21sendmail-msp00:00:170
14461202102,4sleep01446125-21apt-get23:55:110
14169742100,7sleep21418619-21kthreadcore23:35:182
13886862100,7sleep21388832-21ntpq23:15:212
13054332101,5sleep11305470-21apt-get22:25:111
12490972100,7sleep21249102-21sh21:46:082
11952242101,2sleep20-21swapper/221:13:212
11878552100,1sleep00-21swapper/021:08:330
11473202100,1sleep20-21swapper/220:35:182
11181282101,6sleep21118787-21irqrtprio20:15:142
11167572100,8sleep21117019-21unixbench_singl20:10:262
10780052101,6sleep21078044-21ntpq19:40:242
10708102100,1sleep00-21swapper/019:35:190
10659262101,6sleep1222-21plymouthd19:32:571
10650442101,6sleep21065139-21ntpq19:30:212
1506728290,3sleep11506734-21ssh00:30:331
1502152291,6sleep01503125-21kthreadcore00:30:160
1490362291,4sleep01490417-21ntpq00:20:220
1478661290,6sleep11479681-21kthreadcore00:15:171
1468536290,1sleep00-21swapper/000:08:100
1375776291,4sleep01375808-21apt-get23:10:130
1352580290,6sleep11352699-21perl22:55:151
1344297290,2sleep10-21swapper/122:49:491
1327990290,2sleep0222-21plymouthd22:38:300
1305475291,4sleep21305481-21ssh22:25:122
1303845292,4sleep2222-21plymouthd22:21:282
1250754291,4sleep11250795-21ssh21:50:121
1237947291,5sleep21234841-21sendmail-msp21:40:182
1224659290,2sleep11224803-21awk21:30:191
1218612290,7sleep01218617-21sh21:28:180
1163993290,7sleep01165158-21kthreadcore20:50:160
1149798292,4sleep11149820-21apt-get20:40:121
1144584290,3sleep0222-21plymouthd20:35:180
1123673290,2sleep1222-21plymouthd20:17:581
1090907291,5sleep21090933-21ntpq19:50:222
1072757291,4sleep11072531-21sendmail-msp19:40:101
1066086291,4sleep01066091-21cron19:35:000
1059442290,2sleep1222-21plymouthd19:26:591
1053510292,3sleep2222-21plymouthd19:25:032
1038651290,6sleep01039318-21cat19:15:030
1037962290,2sleep0222-21plymouthd19:11:430
1490419281,4sleep11484774-21sendmail-msp00:20:231
1474540281,4sleep00-21swapper/000:10:200
1455295281,4sleep11456383-21cut00:00:181
1443612281,4sleep11443655-21ntpq23:50:191
1429863281,3sleep0222-21plymouthd23:44:010
1413595281,2sleep2222-21plymouthd23:32:122
1413506280,6sleep01187992-21diskmemload23:31:580
1383566280,4sleep11383607-21ssh23:15:121
1375402280,1sleep11375408-21ssh23:09:551
1366694280,2sleep2222-21plymouthd23:02:142
1351713280,2sleep2222-21plymouthd22:54:002
1330307280,6sleep01330341-21kthreadcore22:40:190
1296495282,3sleep2222-21plymouthd22:17:472
1288456280,2sleep0222-21plymouthd22:12:040
1269272282,4sleep01270642-21tr22:00:220
1263819281,4sleep11263867-21ntp_states21:55:251
1249090281,4sleep10-21swapper/121:46:071
1233852280,6sleep2222-21plymouthd21:37:262
1218117282,4sleep11136415-21kworker/u16:0+nfsiod21:26:551
1211015280,2sleep21211017-21ssh21:23:422
1209215281,4sleep11209266-21ssh21:20:201
1187872281,4sleep20-21swapper/221:08:482
1174196281,4sleep11174237-21ntpq20:55:231
1161986280,2sleep1222-21plymouthd20:45:371
1161447281,4sleep01161487-21ntp_states20:45:240
1155618281,4sleep21149560-21sendmail-msp20:40:532
1129342281,4sleep11123892-21sendmail-msp20:20:241
1117409280,2sleep0222-21plymouthd20:14:410
1071432281,4sleep11071520-21ntpq19:35:201
1052309280,6sleep10-21swapper/119:20:261
1038031280,2sleep2222-21plymouthd19:12:372
1031541280,1sleep00-21swapper/019:07:450
1030998281,4sleep11031110-21wc19:05:261
1515955270,5sleep11515961-21ssh00:39:431
1499365270,4sleep2222-21plymouthd00:26:532
1498873271,3sleep11498895-21ssh00:25:271
1467734270,2sleep1222-21plymouthd00:05:551
1437225270,1sleep1222-21plymouthd23:47:481
1431979271,3sleep21432559-21ssh23:45:202
1405264270,4sleep01405270-21ssh23:25:450
1381799270,1sleep20-21swapper/223:11:002
1375295270,1sleep00-21swapper/023:09:380
1375051270,1sleep21375057-21ssh23:09:002
1359068270,1sleep00-21swapper/022:57:470
1343756270,1sleep20-21swapper/222:48:142
1326382271,4sleep21326429-21ntpq22:35:232
1319222270,4sleep21319228-21ssh22:30:432
1313229270,4sleep11312963-21apt-get22:30:051
1302867271,4sleep11297333-21sendmail-msp22:20:231
1295019271,4sleep01295078-21sed22:15:200
1289749270,1sleep11289755-21ssh22:15:051
1283247271,3sleep21284210-21grep22:10:182
1280774270,1sleep20-21swapper/222:07:252
1275601271,3sleep10-21swapper/122:05:191
1272476270,1sleep10-21swapper/122:01:111
1257173271,4sleep21257177-21ssh21:52:092
1253410270,4sleep01255122-21cut21:50:190
1248906270,5sleep01248911-21sh21:45:370
1241687270,5sleep11241693-21ssh21:42:131
1232617271,3sleep11232644-21ntp_states21:35:251
1225854270,1sleep00-21swapper/021:31:390
1211285270,1sleep00-21swapper/021:24:280
1194660270,1sleep11194666-21ssh21:11:421
1181487270,5sleep12195379-21ntpd21:04:041
1175381272,2sleep01175414-21apt-get21:00:110
1168979271,3sleep21169012-21apt-get20:55:112
1156250270,4sleep21156314-21/usr/sbin/munin20:45:132
1142743270,1sleep10-21swapper/120:30:341
1136667270,1sleep10-21swapper/120:29:491
1136614270,1sleep00-21swapper/020:29:080
1136544271,4sleep20-21swapper/220:28:132
1110910270,4sleep1222-21plymouthd20:07:521
1098055270,3sleep2222-21plymouthd19:58:242
1097887270,4sleep10-21swapper/119:56:141
1085362270,4sleep0222-21plymouthd19:50:000
1078609271,3sleep01072531-21sendmail-msp19:40:490
1052953270,4sleep20-21swapper/219:21:352
1046565270,3sleep2222-21plymouthd19:17:332
1514817260,3sleep2222-21plymouthd00:36:272
1508653260,2sleep00-21swapper/000:35:130
1500350261,3sleep072-21kcompactd000:29:430
1482639260,1sleep00-21swapper/000:15:240
1469646260,3sleep20-21swapper/200:10:142
1467585260,4sleep21467591-21ssh00:05:332
1447058260,3sleep11447781-21cut23:55:171
1445427260,3sleep21445433-21ssh23:53:572
1434706260,3sleep01435693-21memory23:45:220
1416031261,2sleep10-21swapper/123:35:171
1407075260,3sleep11407114-21apt-get23:30:101
1389931260,1sleep00-21swapper/023:16:470
1358491260,1sleep20-21swapper/222:56:082
1344389260,1sleep10-21swapper/122:50:021
1297350261,3sleep01297333-21sendmail-msp22:20:020
1274208261,2sleep00-21swapper/022:05:140
1259018260,1sleep20-21swapper/221:55:182
1258457260,2sleep00-21swapper/021:55:030
1242166260,3sleep00-21swapper/021:43:380
1202320261,2sleep00-21swapper/021:16:150
1196125260,3sleep21196166-21ssh21:15:132
1187647260,2sleep1222-21plymouthd21:05:541
1174770260,1sleep00-21swapper/020:55:510
1168645260,3sleep2222-21plymouthd20:54:122
1142997261,2sleep00-21swapper/020:33:500
1142739260,4sleep2222-21plymouthd20:30:312
1130256260,3sleep0222-21plymouthd20:24:480
1123561260,3sleep00-21swapper/020:16:330
1098462260,3sleep11098240-21sendmail-msp20:00:071
1098462260,3sleep11098240-21sendmail-msp20:00:061
1071754260,4sleep21071882-21sed19:35:252
1040635260,2sleep10-21swapper/119:15:121
1038216260,1sleep10-21swapper/119:15:011
1482545250,2sleep20-21swapper/200:15:232
1451317250,3sleep21451360-21ntpq23:55:222
1162781251,2sleep10-21swapper/120:50:141
1155751250,2sleep0222-21plymouthd20:42:320
1104960250,2sleep0222-21plymouthd20:05:100
1104436250,2sleep0222-21plymouthd20:01:420
1104436250,2sleep0222-21plymouthd20:01:410
1092078250,2sleep00-21swapper/019:55:130
1090856250,3sleep11090906-21ld19:50:211
1079242250,2sleep20-21swapper/219:45:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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