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2026-05-20 - 12:31
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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 rackeslot8.osadl.org (updated Wed May 20, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
77893122990,294sleep1712946-21kworker/u16:2+efi_rts_wq19:10:161
12579062650,12sleep014-21ksoftirqd/000:31:130
778719993229,1cyclictest0-21swapper/320:50:013
778719992825,1cyclictest0-21swapper/323:21:483
778719992825,1cyclictest0-21swapper/323:05:013
778719992421,1cyclictest0-21swapper/320:25:193
10208802240,1sleep10-21swapper/122:01:381
778719992320,1cyclictest0-21swapper/319:45:003
778719992319,1cyclictest0-21swapper/322:10:553
77871999230,19cyclictest1195861-21turbostat23:55:003
778719992219,1cyclictest0-21swapper/323:30:163
778719992219,1cyclictest0-21swapper/322:20:013
778719992119,1cyclictest0-21swapper/321:45:203
778719992118,1cyclictest0-21swapper/322:51:123
778719992118,1cyclictest0-21swapper/321:55:223
778719992118,1cyclictest0-21swapper/321:51:533
778719992118,1cyclictest0-21swapper/321:15:143
778719992017,1cyclictest0-21swapper/323:39:593
778719992017,1cyclictest0-21swapper/321:20:183
778719992017,1cyclictest0-21swapper/321:00:043
778719991917,1cyclictest0-21swapper/322:55:123
778719991917,1cyclictest0-21swapper/321:40:043
778719991916,1cyclictest0-21swapper/323:55:163
778719991916,1cyclictest0-21swapper/320:50:183
77871999191,14cyclictest851424-21taskset20:04:023
77871999191,14cyclictest802477-21taskset19:25:183
77871999191,14cyclictest1133001-21chrt23:15:143
77871999191,14cyclictest1131949-21taskset23:13:103
77871999191,13cyclictest857889-21taskset20:09:563
77871999191,12cyclictest1235768-21taskset00:20:013
12029152190,10sleep21202921-21ssh23:57:362
77871999188,7cyclictest10682372sleep322:31:443
778719991816,1cyclictest0-21swapper/300:25:423
778719991815,1cyclictest0-21swapper/323:25:213
778719991815,1cyclictest0-21swapper/322:40:233
778719991815,1cyclictest0-21swapper/321:25:173
778719991815,1cyclictest0-21swapper/321:10:173
77871999181,14cyclictest922328-21sleep21:00:013
77871999181,14cyclictest1123533-21taskset23:06:403
77871999181,13cyclictest973534-21taskset21:31:423
77871999181,13cyclictest793661-21taskset19:19:243
77871999181,13cyclictest784934-21taskset19:13:063
77871999181,13cyclictest1212165-21chrt00:05:183
77871999181,13cyclictest1091418-21taskset22:45:273
77871999178,6cyclictest10542912sleep322:25:163
77871999172,12cyclictest1021002-21taskset22:01:573
778719991715,1cyclictest0-21swapper/320:40:163
778719991715,1cyclictest0-21swapper/320:40:153
778719991714,1cyclictest0-21swapper/321:05:183
778719991714,1cyclictest0-21swapper/319:45:163
778719991714,1cyclictest0-21swapper/300:35:193
778719991714,1cyclictest0-21swapper/300:20:043
778719991714,1cyclictest0-21swapper/300:10:203
77871999171,13cyclictest982189-21taskset21:38:513
77871999171,13cyclictest865550-21taskset20:15:163
77871999171,13cyclictest832721-21taskset19:50:143
77871999171,13cyclictest799406-21taskset19:20:243
77871999171,13cyclictest1251722-21taskset00:30:113
77871999171,13cyclictest1210696-21taskset00:02:053
77871999171,13cyclictest1180477-21taskset23:45:123
77871999171,12cyclictest1173760-21taskset23:40:163
77871999171,12cyclictest1069789-21taskset22:35:133
77871999171,12cyclictest1046166-21chrt22:20:123
77871999171,12cyclictest1028320-21taskset22:05:303
77871999161,12cyclictest891966-21taskset20:35:163
77871999161,12cyclictest889849-21taskset20:31:323
77871999161,12cyclictest871053-21taskset20:20:023
77871999161,12cyclictest864273-21taskset20:14:213
77871999161,12cyclictest844723-21taskset19:55:323
77871999161,12cyclictest813255-21taskset19:35:083
77871999161,12cyclictest812688-21taskset19:31:063
11304742161,11sleep11130602-21mailstats23:10:241
10838722161,8sleep01083878-21ssh22:41:160
7784532150,2sleep30-21swapper/319:08:233
11807652151,10sleep21180436-21/usr/sbin/munin23:45:172
11621542150,11sleep11162245-21awk23:30:251
11461982151,6sleep21146243-21ntp_kernel_pll_23:20:232
9342032141,10sleep0934242-21ntpq21:05:220
11156372131,9sleep21115643-21ssh23:01:392
8441872120,4sleep1844226-21ntp_states19:55:221
12174372120,9sleep01217479-21ntpq00:05:280
11484142121,7sleep0222-21plymouthd23:24:540
11007712121,9sleep20-21swapper/222:54:052
10370202121,3sleep0222-21plymouthd22:12:420
9222192111,7sleep21000-21snmpd20:59:062
9158672112,5sleep1672-21dbus-daemon20:55:011
8586222111,3sleep1859505-21irqrtprio20:10:191
8521842110,8sleep1852818-21sed20:05:171
11718882111,7sleep00-21swapper/023:39:100
11701232111,7sleep11170226-21sed23:35:261
10776802111,6sleep11077686-21ssh22:40:131
10672382114,3sleep21067271-21ntpq22:30:232
10554222110,8sleep11056114-21cut22:25:181
8528192100,3sleep2421rcuc/220:05:172
7776652100,2sleep1222-21plymouthd19:05:241
12414402100,1sleep20-21swapper/200:20:272
12121262101,5sleep21212160-21apt-get00:05:182
12117632100,7sleep11211839-21latency_hist00:05:001
12046542105,2sleep01205478-21sed00:00:180
11567102101,4sleep01156747-21apt-get23:30:120
11358402101,6sleep11137582-21kthreadcore23:15:201
11321792100,8sleep21132185-21ssh23:13:462
997429290,6sleep2997435-21ssh21:47:262
988228291,5sleep1988274-21ntpq21:40:221
981985293,3sleep0222-21plymouthd21:38:140
974438292,3sleep0222-21plymouthd21:34:080
967165291,4sleep1967198-21apt-get21:30:131
957441290,4sleep2957448-21sh21:20:562
949931290,3sleep2222-21plymouthd21:17:062
946002290,6sleep1947706-21kthreadcore21:15:211
941551290,1sleep00-21swapper/021:10:550
934283294,2sleep2431ktimers/221:05:232
915858290,2sleep0222-21plymouthd20:54:560
890411291,1sleep10-21swapper/120:35:041
845392291,4sleep1845395-21apt-get20:00:121
809184290,6sleep1810877-21kthreadcore19:30:181
792740291,5sleep1792779-21ntpq19:15:221
792601291,6sleep0792739-21/usr/sbin/munin19:15:210
781081290,6sleep2782418-21grep19:10:212
777716291,3sleep20-21swapper/219:05:252
1266981290,2sleep1222-21plymouthd00:39:251
1186560290,7sleep11186566-21ssh23:46:121
1180077290,6sleep21180083-21ssh23:44:572
1139039290,6sleep21139045-21ssh23:15:572
1085819291,5sleep20-21swapper/222:45:152
1076991290,2sleep20-21swapper/222:39:102
1046576290,7sleep21047283-21sed22:20:162
1038211291,4sleep00-21swapper/022:15:140
1036722290,3sleep21036728-21ssh22:11:542
988181281,4sleep0988226-21ntpq21:40:210
981344280,2sleep2981350-21ssh21:36:272
960426280,2sleep2222-21plymouthd21:25:162
951848281,4sleep0952768-21/usr/sbin/munin21:20:170
934249281,4sleep1934282-21ld21:05:221
915569280,5sleep2222-21plymouthd20:51:092
909412281,4sleep2909458-21sqv20:50:012
902793280,1sleep10-21swapper/120:42:421
902793280,1sleep10-21swapper/120:42:421
889993280,5sleep0222-21plymouthd20:33:230
871416280,6sleep0871546-21ps20:20:160
857031281,3sleep0857057-21ntpq20:05:240
850617281,4sleep0850656-21ntp_states20:00:230
832035280,2sleep0222-21plymouthd19:47:080
799299281,4sleep2799405-21/usr/sbin/munin19:20:242
778430280,1sleep00-21swapper/019:08:040
1259631281,3sleep21259668-21apt-get00:35:132
1259297281,4sleep21259342-21basename00:35:002
1256997281,4sleep11257036-21ntpq00:30:221
1243772280,4sleep0222-21plymouthd00:25:120
1235883281,4sleep0222-21plymouthd00:20:150
1219461280,2sleep1222-21plymouthd00:09:221
1202523280,2sleep0222-21plymouthd23:56:380
1195181280,1sleep00-21swapper/023:53:120
1187173281,4sleep01187181-21ssh23:47:520
1171185280,2sleep21171187-21ssh23:37:142
1147636280,1sleep1222-21plymouthd23:22:471
1130434280,2sleep0222-21plymouthd23:10:230
1115842280,1sleep10-21swapper/123:02:101
1099640280,5sleep11099646-21ssh22:51:121
1061888281,4sleep01062043-21diskstats22:30:140
1044892280,2sleep21044894-21ssh22:17:372
1013200280,6sleep01013206-21ssh21:57:140
1005818280,2sleep10-21swapper/121:53:371
1000049281,4sleep21000955-21kthreadcore21:50:182
966096270,5sleep1966102-21ssh21:27:561
962998270,1sleep00-21swapper/021:25:190
957979271,4sleep1957983-21ssh21:22:231
941903271,3sleep1222-21plymouthd21:11:491
935538271,3sleep2935533-21apt-get21:10:132
909058270,4sleep0222-21plymouthd20:45:330
897289270,4sleep0897789-21irqrtprio20:40:160
897289270,4sleep0897789-21irqrtprio20:40:150
895650271,3sleep00-21swapper/020:35:230
890120270,5sleep2222-21plymouthd20:35:002
882762271,4sleep1882798-21ntpq20:25:211
876562271,3sleep2876695-21cat20:20:262
870410270,3sleep2222-21plymouthd20:15:282
858166270,3sleep0222-21plymouthd20:10:140
845001270,3sleep0222-21plymouthd19:59:060
838459270,1sleep20-21swapper/219:52:242
832231270,3sleep2222-21plymouthd19:49:432
812650270,1sleep20-21swapper/219:30:382
812635270,1sleep00-21swapper/019:30:290
793430270,1sleep20-21swapper/219:16:282
784971270,1sleep00-21swapper/019:13:370
1235182270,4sleep2222-21plymouthd00:19:092
1234823270,4sleep0957527-21kworker/0:0+kacpid00:18:070
1233299271,3sleep11233318-21ntp_states00:15:231
1204094271,4sleep21204098-21ssh00:00:052
1196187270,3sleep11196197-21ssh23:55:101
1179763270,1sleep10-21swapper/123:44:081
1149010270,4sleep11149212-21hddtemp_smartct23:25:141
1123462271,2sleep00-21swapper/023:06:290
1122940270,5sleep1222-21plymouthd23:05:261
1117635270,4sleep21118308-21irqrtprio23:05:152
1109248270,5sleep0222-21plymouthd23:00:050
1102716270,4sleep11103664-21cut22:55:161
1100491271,3sleep0222-21plymouthd22:53:230
1092520273,2sleep0151ktimers/022:48:250
1083644270,3sleep2222-21plymouthd22:40:412
1077288270,5sleep11077313-21latency_hist22:40:011
1069072270,1sleep10-21swapper/122:34:001
1056115271,3sleep21057782-21kthreadcore22:25:192
1053659270,4sleep01053711-21922:25:010
1044265270,4sleep11044271-21ssh22:15:551
1030290270,3sleep172-21kcompactd022:10:091
1028706270,1sleep10-21swapper/122:06:371
1022639270,4sleep01022675-21grep22:05:160
1022480271,3sleep20-21swapper/222:05:142
1022034271,3sleep2222-21plymouthd22:04:492
1012845270,2sleep21012851-21ssh21:56:202
1011962271,3sleep11012015-21ntp_states21:55:231
1005362270,4sleep0222-21plymouthd21:52:240
997330260,1sleep0222-21plymouthd21:47:040
992086261,3sleep1992873-21ssh21:45:201
990018260,3sleep2222-21plymouthd21:43:452
981097260,1sleep10-21swapper/121:35:501
973951260,1sleep2973957-21ssh21:32:462
928497260,1sleep10-21swapper/121:01:421
928435260,4sleep20-21swapper/221:00:552
928420260,1sleep00-21swapper/021:00:450
921939261,3sleep0819204-21kworker/0:0+kacpi_notify20:55:310
916174261,2sleep10-21swapper/120:55:121
902903260,1sleep20-21swapper/220:44:072
902903260,1sleep20-21swapper/220:44:072
889786260,1sleep20-21swapper/220:30:442
885384261,2sleep10-21swapper/120:30:191
883591260,3sleep2222-21plymouthd20:28:312
877591260,2sleep00-21swapper/020:25:130
871103260,2sleep10-21swapper/120:20:131
867742260,1sleep10-21swapper/120:15:191
864272260,3sleep2222-21plymouthd20:14:212
838405260,1sleep00-21swapper/019:51:420
832153260,1sleep10-21swapper/119:48:411
825501260,3sleep2222-21plymouthd19:40:492
825217261,3sleep0825461-21users19:40:270
819666261,2sleep1819698-21apt-get19:40:121
819085260,3sleep2222-21plymouthd19:36:162
813297261,2sleep00-21swapper/019:35:130
806533260,3sleep1222-21plymouthd19:29:461
806477260,3sleep0222-21plymouthd19:29:000
806211260,3sleep2222-21plymouthd19:25:342
794008261,2sleep1794030-21apt-get19:20:101
793995260,1sleep00-21swapper/019:20:100
1259683260,3sleep01259845-21diskstats00:35:150
1250508261,2sleep20-21swapper/200:27:432
1237272261,2sleep11237325-21kthreadcore00:20:191
1227132262,2sleep11227086-21kworker/u16:3+rpciod00:13:421
1226375260,3sleep21226381-21ssh00:11:342
1193568261,3sleep21193604-21ssh23:50:222
1178664260,3sleep01178672-21sshd-auth23:41:050
1162813260,3sleep21162819-21ssh23:30:542
1148800260,3sleep21148822-21apt-get23:25:112
1108173260,4sleep21108179-21ssh22:57:462
1107899260,2sleep0222-21plymouthd22:57:030
1085757261,2sleep11085818-21fschecks_count22:45:141
1054476260,3sleep0221rcuc/022:25:170
1020877261,2sleep00-21swapper/022:01:380
949497250,3sleep00-21swapper/021:15:530
903232250,2sleep1222-21plymouthd20:45:021
869834250,2sleep0869871-21ntpq20:15:230
851185250,2sleep2222-21plymouthd20:00:582
838933250,2sleep20-21swapper/219:55:122
838324250,2sleep10-21swapper/119:50:381
814660250,2sleep1815698-21cut19:35:191
1243718250,2sleep10-21swapper/100:25:051
1220013250,2sleep00-21swapper/000:10:120
1188336250,3sleep11188431-21cut23:50:121
1156218250,2sleep01156224-21ssh23:29:270
1139290250,2sleep0222-21plymouthd23:16:360
1076070250,2sleep00-21swapper/022:36:380
1049993250,2sleep1222-21plymouthd22:20:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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