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2026-07-06 - 04:54
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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 Mon Jul 06, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62841724938,8sleep40-21swapper/419:06:034
628891994341,2cyclictest1281483-21kworker/u16:1+flush-8:000:24:086
6283912438,30sleep70-21swapper/719:05:427
62889699420,40cyclictest1305784-21latency_hist00:08:447
628888994139,2cyclictest1110509-21kworker/u16:2+flush-8:023:03:455
628888993935,4cyclictest610438-21kworker/u16:3+flush-8:019:18:455
61928923927,9sleep50-21swapper/519:03:475
628891993836,2cyclictest987682-21kworker/u16:1+events_unbound22:14:126
628891993836,2cyclictest779039-21kworker/u16:1+flush-8:020:39:126
628891993735,2cyclictest1245236-21kworker/u16:0+events_unbound23:54:206
628891993533,2cyclictest1110509-21kworker/u16:2+events_unbound23:48:446
628891993533,2cyclictest1110424-21kworker/u16:0+events_unbound22:53:436
62858723524,8sleep60-21swapper/619:08:296
628896993428,5cyclictest650-21systemd-journal00:13:447
628891993433,1cyclictest915401-21kworker/u16:4+events_unbound21:44:126
628891993432,2cyclictest927886-21kworker/u16:0+flush-8:021:51:246
628891993432,2cyclictest927886-21kworker/u16:0+flush-8:021:42:526
628896993331,1cyclictest0-21swapper/700:34:007
628896993329,3cyclictest124-21kswapd022:48:597
628891993331,2cyclictest903279-21kworker/u16:1+flush-8:021:26:086
628891993331,2cyclictest1354057-21kworker/u16:0+events_unbound00:32:526
628891993331,2cyclictest1074312-21kworker/u16:1+events_unbound22:59:526
628891993230,2cyclictest964373-21kworker/u16:2+events_unbound22:22:566
628891993230,2cyclictest610438-21kworker/u16:3+flush-8:019:37:566
628891993129,2cyclictest739759-21kworker/u16:3+flush-8:020:23:416
628891993129,2cyclictest1281483-21kworker/u16:1+events_unbound00:36:196
628891993129,2cyclictest1281483-21kworker/u16:1+events_unbound00:13:276
628891993028,2cyclictest964373-21kworker/u16:2+events_unbound22:02:446
628891993028,2cyclictest964373-21kworker/u16:2+events_unbound22:02:446
628891993028,2cyclictest818051-21kworker/u16:0+events_unbound20:44:116
628891993028,2cyclictest1281483-21kworker/u16:1+events_unbound00:14:556
628891993028,2cyclictest1110509-21kworker/u16:2+events_unbound00:04:516
628891993028,2cyclictest1110424-21kworker/u16:0+events_unbound23:11:366
628891993027,2cyclictest1110509-21kworker/u16:2+flush-8:023:13:556
628896992928,0cyclictest0-21swapper/720:59:007
628891992927,2cyclictest987682-21kworker/u16:1+events_unbound22:10:246
628891992927,2cyclictest987682-21kworker/u16:1+events_unbound22:07:206
628891992927,2cyclictest1218265-21kworker/u16:3+events_unbound23:32:236
628891992927,2cyclictest1171639-21kworker/u16:1+flush-8:023:19:316
628891992927,2cyclictest1171639-21kworker/u16:1+flush-8:023:19:316
628891992927,2cyclictest1110509-21kworker/u16:2+flush-8:000:19:436
628891992927,2cyclictest1037373-21kworker/u16:3+events_unbound22:35:566
628891992826,2cyclictest779039-21kworker/u16:1+events_unbound21:11:016
628891992826,2cyclictest1291212-21kworker/u16:4+events_unbound00:02:526
628891992826,2cyclictest1110509-21kworker/u16:2+events_unbound23:37:126
628891992826,2cyclictest1110424-21kworker/u16:0+events_unbound23:27:556
628891992826,2cyclictest1086381-21kworker/u16:4+events_unbound22:38:486
628891992826,2cyclictest1086381-21kworker/u16:4+events_unbound22:38:486
628888992826,2cyclictest1037373-21kworker/u16:3+flush-8:022:44:045
628888992826,2cyclictest1010440-21kworker/u16:0+events_unbound22:24:125
62889699270,25cyclictest1269253-21cat23:53:457
628891992725,2cyclictest964373-21kworker/u16:2+flush-8:022:31:406
628891992725,2cyclictest903279-21kworker/u16:1+events_unbound21:32:256
628891992725,2cyclictest888428-21kworker/u16:0+events_unbound21:16:596
628891992725,2cyclictest888428-21kworker/u16:0+events_unbound21:16:596
628891992725,2cyclictest1245236-21kworker/u16:0+events_unbound23:51:456
628891992725,2cyclictest1074312-21kworker/u16:1+events_unbound22:47:086
628888992725,2cyclictest1110509-21kworker/u16:2+events_unbound00:09:075
628896992621,4cyclictest878594-21latency_hist21:13:457
628891992624,2cyclictest927886-21kworker/u16:0+flush-8:021:56:006
628891992523,2cyclictest964373-21kworker/u16:2+events_unbound22:26:476
628891992523,2cyclictest610438-21kworker/u16:3+flush-8:019:44:566
628891992523,2cyclictest1134993-21kworker/u16:3+events_unbound23:06:096
628891992522,2cyclictest702330-21kworker/u16:0+flush-8:020:13:456
628891992422,2cyclictest845879-21kworker/u16:3+events_unbound21:22:316
628891992422,2cyclictest1218265-21kworker/u16:3+events_unbound23:42:246
628891992422,2cyclictest1110509-21kworker/u16:2+events_unbound22:55:116
628888992423,1cyclictest1086381-21kworker/u16:4+events_unbound22:43:235
628888992423,1cyclictest1086381-21kworker/u16:4+events_unbound22:43:235
628891992321,2cyclictest903279-21kworker/u16:1+flush-8:021:33:556
628888992321,2cyclictest987682-21kworker/u16:1+flush-8:022:03:395
628888992321,2cyclictest987682-21kworker/u16:1+flush-8:022:03:395
628888992321,2cyclictest888428-21kworker/u16:0+flush-8:021:28:405
628888992321,2cyclictest779039-21kworker/u16:1+events_unbound20:44:075
628888992321,2cyclictest691002-21kworker/u16:1+events_unbound19:59:025
628888992320,2cyclictest856765-21kworker/u16:0+events_unbound21:08:585
628888992320,2cyclictest1110424-21kworker/u16:0+events_unbound23:05:345
628896992217,4cyclictest1037332-21latency_hist22:18:457
628888992220,2cyclictest1110509-21kworker/u16:2+flush-8:023:39:155
628891992119,2cyclictest555238-21kworker/u16:2+flush-8:019:43:406
62889699200,18cyclictest1205064-21ssh23:24:087
628891992018,2cyclictest691002-21kworker/u16:1+flush-8:020:03:406
628888992018,2cyclictest1281483-21kworker/u16:1+flush-8:000:23:515
628888992017,2cyclictest1110424-21kworker/u16:0+events_unbound23:33:585
62889699190,17cyclictest0-21swapper/719:14:097
628888991917,2cyclictest787496-21kworker/u16:4+flush-8:020:29:125
628888991917,2cyclictest702330-21kworker/u16:0+flush-8:020:14:135
628888991917,2cyclictest555238-21kworker/u16:2+flush-8:019:29:115
628888991917,2cyclictest1245236-21kworker/u16:0+events_unbound23:58:575
628888991915,3cyclictest555238-21kworker/u16:2+flush-8:019:39:005
628896991815,2cyclictest866385-21diskmemload23:34:237
628896991813,4cyclictest1025105-21latency_hist22:13:457
628896991812,5cyclictest1134906-21latency_hist22:58:457
62889699180,17cyclictest0-21swapper/722:24:117
628891991816,2cyclictest798214-21kworker/u16:2+flush-8:021:03:376
628888991816,2cyclictest691002-21kworker/u16:1+flush-8:019:44:075
628888991816,2cyclictest1110509-21kworker/u16:2+events_unbound00:04:045
628888991815,2cyclictest927886-21kworker/u16:0+flush-8:021:48:455
628884991816,2cyclictest915401-21kworker/u16:4+flush-8:021:44:114
628896991713,3cyclictest1278-21snmpd19:46:137
62889699170,4cyclictest1326984-21ssh00:14:087
628891991715,2cyclictest670465-21kworker/u16:0+flush-8:019:28:566
628888991716,1cyclictest1010440-21kworker/u16:0+flush-8:022:19:055
628896991615,0cyclictest0-21swapper/720:04:117
628896991613,2cyclictest1148449-21ssh23:04:007
628896991612,3cyclictest1278-21snmpd22:43:297
628896991612,3cyclictest1278-21snmpd22:43:297
628896991612,3cyclictest1278-21snmpd19:28:407
628891991614,2cyclictest779039-21kworker/u16:1+flush-8:021:06:516
628891991614,2cyclictest779039-21kworker/u16:1+flush-8:020:49:106
628888991614,2cyclictest818051-21kworker/u16:0+flush-8:020:49:125
628888991614,2cyclictest1110509-21kworker/u16:2+flush-8:023:54:085
628888991613,2cyclictest1110509-21kworker/u16:2+events_unbound23:24:025
62888499162,14cyclictest0-21swapper/423:55:534
628884991614,2cyclictest651296-21smart_sda19:14:124
62888499160,16cyclictest65-21ksoftirqd/422:23:584
62889699159,5cyclictest778653-21latency_hist20:23:457
628896991512,2cyclictest1278-21snmpd23:18:217
628896991512,2cyclictest0-21swapper/722:19:107
62889199150,14cyclictest0-21swapper/619:13:496
628888991513,2cyclictest987682-21kworker/u16:1+events_unbound22:14:085
628888991513,2cyclictest702330-21kworker/u16:0+flush-8:019:54:095
628888991513,2cyclictest1110424-21kworker/u16:0+flush-8:022:49:125
628884991514,1cyclictest768602-21pool-udisksd20:14:194
628884991514,1cyclictest0-21swapper/422:31:134
628884991513,1cyclictest1140146-21kthreadcore22:59:044
628884991512,2cyclictest803830-21grep20:34:054
628884991512,2cyclictest803830-21grep20:34:054
62888499150,15cyclictest0-21swapper/422:55:494
628896991412,1cyclictest0-21swapper/721:14:097
628896991412,1cyclictest0-21swapper/721:14:097
62889699140,13cyclictest0-21swapper/723:59:087
62889199140,14cyclictest0-21swapper/619:49:086
628888991412,2cyclictest555238-21kworker/u16:2+flush-8:019:24:075
628888991412,2cyclictest1291212-21kworker/u16:4+flush-8:000:19:095
628888991412,2cyclictest1110509-21kworker/u16:2+flush-8:023:44:085
628888991412,2cyclictest1037373-21kworker/u16:3+flush-8:022:29:115
62888899140,0cyclictest0-21swapper/521:21:515
628884991413,1cyclictest989995-21irqcore21:59:024
628884991413,1cyclictest989995-21irqcore21:59:024
628884991413,1cyclictest977583-21irqcore21:54:014
628884991413,1cyclictest916063-21cstates21:28:574
628884991413,1cyclictest699220-21kthreadcore19:39:084
628884991413,1cyclictest1282093-21expr23:58:554
628884991413,1cyclictest1022405-21timerandwakeup22:09:144
628884991413,1cyclictest0-21swapper/423:46:254
628884991413,1cyclictest0-21swapper/423:13:094
628884991413,1cyclictest0-21swapper/400:24:064
628884991413,1cyclictest0-21swapper/400:03:554
628884991412,1cyclictest740584-21cstates20:03:574
628884991412,1cyclictest721077-21cstates19:53:574
62888499140,14cyclictest0-21swapper/421:49:084
62889699139,3cyclictest1278-21snmpd20:12:177
62889699138,4cyclictest5934-21gnome-shell19:57:547
62889699138,4cyclictest1278-21snmpd21:36:167
628896991312,0cyclictest0-21swapper/719:19:167
62889699130,11cyclictest1169179-21ssh23:09:177
628891991312,1cyclictest0-21swapper/620:03:576
628891991311,2cyclictest779039-21kworker/u16:1+flush-8:020:34:446
628891991311,2cyclictest779039-21kworker/u16:1+flush-8:020:34:446
628891991311,2cyclictest739759-21kworker/u16:3+flush-8:020:28:406
628888991312,1cyclictest1074312-21kworker/u16:1+events_unbound22:55:525
628888991312,1cyclictest0-21swapper/523:14:545
628888991312,1cyclictest0-21swapper/523:13:385
628888991312,1cyclictest0-21swapper/520:54:075
628888991312,1cyclictest0-21swapper/500:33:255
628888991311,2cyclictest702330-21kworker/u16:0+flush-8:020:19:015
628888991311,2cyclictest702330-21kworker/u16:0+flush-8:020:04:135
62888899130,13cyclictest0-21swapper/500:37:315
62888899130,0cyclictest0-21swapper/521:32:545
628884991312,1cyclictest945941-21kthreadcore21:39:054
628884991312,1cyclictest751835-21kthreadcore20:09:044
628884991312,1cyclictest730684-21cstates19:58:584
628884991312,1cyclictest702297-21irqcore19:44:004
628884991312,1cyclictest669486-21kthreadcore19:24:054
628884991312,1cyclictest658025-21kthreadcore19:19:054
628884991312,1cyclictest629529-21cstates19:08:574
628884991312,1cyclictest1358253-21kthreadcore00:29:024
628884991312,1cyclictest1101186-21grep22:44:024
628884991312,1cyclictest0-21swapper/422:20:214
628884991312,1cyclictest0-21swapper/421:34:024
628884991312,1cyclictest0-21swapper/421:27:324
628884991312,1cyclictest0-21swapper/419:49:094
628884991312,1cyclictest0-21swapper/400:18:454
62888499130,0cyclictest0-21swapper/423:14:254
62889699129,2cyclictest1278-21snmpd23:20:127
62889699129,2cyclictest1278-21snmpd23:20:127
62889699129,2cyclictest1278-21snmpd21:52:257
62889699129,2cyclictest1278-21snmpd21:27:587
62889699128,3cyclictest6341-21gvfs-afc-volume21:59:117
62889699128,3cyclictest6341-21gvfs-afc-volume21:59:117
62889699128,3cyclictest1278-21snmpd23:46:137
62889699128,3cyclictest1278-21snmpd21:47:587
62889699128,3cyclictest1278-21snmpd21:23:037
62889699128,3cyclictest1278-21snmpd20:57:037
62889699128,3cyclictest1278-21snmpd20:44:577
62889699128,3cyclictest1278-21snmpd20:30:147
62889699128,3cyclictest1278-21snmpd19:48:557
62889699128,3cyclictest1278-21snmpd00:30:477
62889699126,5cyclictest6058-21gsd-housekeepin23:54:087
62889699120,2cyclictest1343495-21hddtemp_smartct00:24:007
62889699120,11cyclictest1278-21snmpd19:59:257
62889699120,10cyclictest866385-21diskmemload00:19:207
628891991210,2cyclictest702330-21kworker/u16:0+events_unbound19:53:476
62888899129,2cyclictest1077228-21kthreadcore22:34:015
628888991211,1cyclictest0-21swapper/522:08:315
628888991211,1cyclictest0-21swapper/521:16:585
628888991211,1cyclictest0-21swapper/521:16:585
628888991210,2cyclictest964373-21kworker/u16:2+flush-8:022:09:135
628888991210,2cyclictest779039-21kworker/u16:1+flush-8:021:04:075
628888991210,2cyclictest555238-21kworker/u16:2+events_unbound19:19:085
628888991210,2cyclictest1110424-21kworker/u16:0+events_unbound23:29:075
628884991211,1cyclictest859321-21kthreadcore21:04:034
628884991211,1cyclictest0-21swapper/423:32:244
628884991211,1cyclictest0-21swapper/421:21:324
628884991211,1cyclictest0-21swapper/420:54:164
628884991210,1cyclictest0-21swapper/400:09:064
62888499120,0cyclictest0-21swapper/422:39:444
62888499120,0cyclictest0-21swapper/422:39:444
62889699119,1cyclictest0-21swapper/722:59:057
62889699118,2cyclictest1278-21snmpd22:03:587
62889699117,3cyclictest1278-21snmpd20:25:087
62889699117,3cyclictest1278-21snmpd20:15:177
62889699117,3cyclictest1278-21snmpd19:30:527
62889699116,5cyclictest6341-21gvfs-afc-volume21:41:267
62889699116,4cyclictest1278-21snmpd20:38:597
62889699115,5cyclictest6341-21gvfs-afc-volume21:31:167
62889699110,10cyclictest1278-21snmpd21:56:527
62889199119,2cyclictest702330-21kworker/u16:0+flush-8:020:14:126
62889199119,2cyclictest555238-21kworker/u16:2+flush-8:019:09:116
628891991110,1cyclictest0-21swapper/620:29:016
62889199110,10cyclictest839523-21kthreadcore20:54:016
628888991110,1cyclictest0-21swapper/523:51:575
628888991110,1cyclictest0-21swapper/520:24:385
628888991110,1cyclictest0-21swapper/519:36:045
62888899110,1cyclictest0-21swapper/520:36:185
62888899110,1cyclictest0-21swapper/520:36:185
62888899110,11cyclictest0-21swapper/521:03:155
62888499118,2cyclictest789090-21cstates20:28:574
628884991110,1cyclictest819300-21kthreadcore20:44:024
628884991110,1cyclictest0-21swapper/423:34:554
628884991110,1cyclictest0-21swapper/423:24:404
628884991110,1cyclictest0-21swapper/422:49:044
628884991110,1cyclictest0-21swapper/422:07:064
628884991110,1cyclictest0-21swapper/419:35:454
628884991110,1cyclictest0-21swapper/400:34:054
62888499110,11cyclictest0-21swapper/419:33:044
62889699107,2cyclictest1278-21snmpd22:29:087
62889699107,2cyclictest1278-21snmpd20:50:337
62889699107,2cyclictest1278-21snmpd19:39:077
62889699107,2cyclictest1278-21snmpd19:09:427
62889699107,2cyclictest0-21swapper/723:39:087
62889699107,2cyclictest0-21swapper/723:29:037
62889699106,3cyclictest1278-21snmpd22:44:297
62889699106,3cyclictest1278-21snmpd21:05:157
62889699106,3cyclictest1228-21tuned-ppd20:34:047
62889699106,3cyclictest1228-21tuned-ppd20:34:047
62889699100,3cyclictest1085176-21taskset22:37:037
62888899109,1cyclictest0-21swapper/523:21:315
62888899109,1cyclictest0-21swapper/523:21:315
62888899109,1cyclictest0-21swapper/521:56:145
62888899108,2cyclictest915401-21kworker/u16:4+flush-8:021:45:565
62888899105,4cyclictest1319224-21cat00:13:595
62888899100,10cyclictest0-21swapper/520:40:055
62888499109,1cyclictest1233895-21hddtemp_smartct23:39:004
62888499109,1cyclictest1155718-21kthreadcore23:04:054
62888499109,1cyclictest0-21swapper/422:34:004
62888499109,1cyclictest0-21swapper/422:14:034
62888499109,1cyclictest0-21swapper/420:49:054
62888499109,1cyclictest0-21swapper/420:25:064
62888499109,1cyclictest0-21swapper/420:19:034
62888499109,1cyclictest0-21swapper/400:19:014
62888499106,3cyclictest1185119-21cat23:19:014
62888499106,3cyclictest1185119-21cat23:19:014
62888499101,5cyclictest65-21ksoftirqd/423:48:564
62888499100,4cyclictest882251-21kthreadcore21:14:034
62888499100,4cyclictest882251-21kthreadcore21:14:034
6288969995,3cyclictest6341-21gvfs-afc-volume19:34:007
6288919997,1cyclictest0-21swapper/619:24:086
6288919990,2cyclictest660216-21kthreadcore19:19:066
6288889997,2cyclictest555238-21kworker/u16:2+flush-8:019:09:125
6288849998,1cyclictest0-21swapper/420:58:584
6288849991,3cyclictest65-21ksoftirqd/421:08:564
6288849990,2cyclictest810359-21kthreadcore20:39:034
6288889983,4cyclictest943880-21cut21:39:045
6288889983,4cyclictest929912-21grep21:34:025
6288889980,7cyclictest752917-21kthreadcore20:09:045
6288889970,2cyclictest0-21swapper/519:48:585
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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