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2026-08-01 - 09:57
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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 rack0slot2.osadl.org (updated Sat Aug 01, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4081264996562,2cyclictest552778-21kworker/u16:4+events_unbound00:24:054
4081276995250,2cyclictest575709-21kworker/u16:1+events_unbound00:19:086
408083124838,7sleep50-21swapper/519:06:345
4081264994744,2cyclictest47200-21kworker/u16:0+events_unbound23:58:514
4081276994643,2cyclictest575709-21kworker/u16:1+events_unbound00:24:196
4081264994644,2cyclictest47200-21kworker/u16:0+events_unbound00:29:044
4081278994539,5cyclictest8228-21latency_hist20:08:507
4081276994543,2cyclictest316720-21kworker/u16:1+events_unbound23:24:076
4081271994442,2cyclictest47200-21kworker/u16:0+events_unbound23:44:155
408088024333,7sleep40-21swapper/419:07:134
4081278994237,4cyclictest234333-21latency_hist21:53:497
4081276994239,2cyclictest47200-21kworker/u16:0+events_unbound23:34:116
4081276994139,2cyclictest47200-21kworker/u16:0+events_unbound00:14:236
4081271994138,2cyclictest47200-21kworker/u16:0+flush-8:023:49:155
4081271994138,2cyclictest47200-21kworker/u16:0+flush-8:023:49:155
4081264994139,2cyclictest198109-21kworker/u16:2+events_unbound22:08:514
4081264994138,2cyclictest552778-21kworker/u16:4+flush-8:000:14:044
4081278994035,4cyclictest246492-21latency_hist21:58:507
4081271994037,2cyclictest439947-21kworker/u16:2+flush-8:023:59:225
40717032403,31sleep70-21swapper/719:03:557
4081276993937,2cyclictest47200-21kworker/u16:0+flush-8:023:40:236
4081271993937,2cyclictest575709-21kworker/u16:1+flush-8:000:34:145
4081271993937,2cyclictest552778-21kworker/u16:4+events_unbound00:09:185
4081271993937,2cyclictest198109-21kworker/u16:2+events_unbound22:26:205
4081271993836,2cyclictest439947-21kworker/u16:2+events_unbound23:30:325
4081264993836,2cyclictest552778-21kworker/u16:4+events_unbound00:19:244
4081264993836,2cyclictest198109-21kworker/u16:2+events_unbound22:19:404
5480792370,1chrt548077-21ssh00:01:087
4081276993735,2cyclictest198109-21kworker/u16:2+events_unbound23:08:356
4081271993735,2cyclictest198109-21kworker/u16:2+events_unbound22:17:525
4081276993634,2cyclictest513053-21kworker/u16:1+flush-8:023:49:196
4081276993634,2cyclictest513053-21kworker/u16:1+flush-8:023:49:196
4081276993634,2cyclictest47200-21kworker/u16:0+events_unbound23:20:116
4081276993632,3cyclictest47200-21kworker/u16:0+flush-8:022:29:146
4081271993634,2cyclictest47200-21kworker/u16:0+events_unbound21:40:485
4081271993634,2cyclictest47200-21kworker/u16:0+events_unbound00:19:515
4081271993634,2cyclictest439947-21kworker/u16:2+events_unbound00:16:205
4081271993634,2cyclictest416676-21kworker/u16:5+events_unbound23:17:075
4081264993634,2cyclictest47200-21kworker/u16:0+events_unbound22:59:514
4081264993634,2cyclictest439947-21kworker/u16:2+events_unbound23:39:084
4081264993634,2cyclictest316720-21kworker/u16:1+flush-8:023:35:474
4081278993530,4cyclictest404082-21latency_hist23:03:497
4081276993533,2cyclictest619029-21kworker/u16:2+events_unbound00:34:116
4081276993533,2cyclictest47200-21kworker/u16:0+events_unbound23:55:046
4081276993533,2cyclictest316720-21kworker/u16:1+events_unbound22:50:566
4081271993533,2cyclictest47200-21kworker/u16:0+events_unbound21:19:485
4081271993533,2cyclictest47200-21kworker/u16:0+events_unbound00:26:515
4081271993533,2cyclictest439947-21kworker/u16:2+events_unbound23:28:195
4081271993533,2cyclictest316720-21kworker/u16:1+events_unbound22:58:275
4081271993533,2cyclictest316720-21kworker/u16:1+events_unbound22:34:475
4081264993533,2cyclictest47200-21kworker/u16:0+events_unbound22:17:314
4081264993533,2cyclictest4081042-21kworker/u16:1+events_unbound20:28:444
4081264993532,2cyclictest316720-21kworker/u16:1+flush-8:023:24:044
4081264993532,2cyclictest198109-21kworker/u16:2+events_unbound23:08:514
4081276993432,2cyclictest47200-21kworker/u16:0+events_unbound21:24:556
4081276993432,2cyclictest47200-21kworker/u16:0+events_unbound00:12:356
4081276993432,2cyclictest221970-21kworker/u16:1+events_unbound22:06:246
4081276993432,2cyclictest198109-21kworker/u16:2+events_unbound22:25:326
4081276993432,2cyclictest198109-21kworker/u16:2+events_unbound21:55:326
4081271993432,2cyclictest47200-21kworker/u16:0+events_unbound22:40:155
4081271993432,2cyclictest47200-21kworker/u16:0+events_unbound21:59:365
4081271993432,2cyclictest198109-21kworker/u16:2+events_unbound22:51:315
4081271993432,2cyclictest198109-21kworker/u16:2+events_unbound22:20:485
4081264993432,2cyclictest546623-21kworker/u16:3+events_unbound00:06:164
4081264993432,2cyclictest47200-21kworker/u16:0+events_unbound21:27:004
4081264993432,2cyclictest316720-21kworker/u16:1+events_unbound22:33:324
4081264993432,2cyclictest198109-21kworker/u16:2+events_unbound21:46:234
4081264993431,2cyclictest464753-21kworker/u16:4+events_unbound23:54:034
4081276993331,2cyclictest47200-21kworker/u16:0+events_unbound23:46:126
4081276993331,2cyclictest47200-21kworker/u16:0+events_unbound22:02:166
4081276993331,2cyclictest439947-21kworker/u16:2+events_unbound23:59:166
4081276993331,2cyclictest316720-21kworker/u16:1+events_unbound22:41:316
4081276993331,2cyclictest198109-21kworker/u16:2+events_unbound23:01:516
4081276993331,2cyclictest137295-21kworker/u16:4+events_unbound22:14:476
4081276993331,2cyclictest137226-21kworker/u16:3+events_unbound21:34:476
4081276993330,2cyclictest513053-21kworker/u16:1+events_unbound00:04:116
4081271993331,2cyclictest575709-21kworker/u16:1+events_unbound00:29:205
4081271993331,2cyclictest47200-21kworker/u16:0+events_unbound23:37:445
4081271993331,2cyclictest47200-21kworker/u16:0+events_unbound22:46:205
4081271993331,2cyclictest439947-21kworker/u16:2+events_unbound00:04:275
4081271993331,2cyclictest4081042-21kworker/u16:1+events_unbound21:11:085
4081271993331,2cyclictest316720-21kworker/u16:1+events_unbound23:04:565
4081271993331,2cyclictest137295-21kworker/u16:4+events_unbound21:25:575
4081264993331,2cyclictest47200-21kworker/u16:0+events_unbound22:57:394
4081264993331,2cyclictest198109-21kworker/u16:2+events_unbound22:53:404
4081276993230,2cyclictest47200-21kworker/u16:0+events_unbound21:31:246
4081276993230,2cyclictest47200-21kworker/u16:0+events_unbound00:32:276
4081276993230,2cyclictest439947-21kworker/u16:2+flush-8:023:33:316
4081276993230,2cyclictest198109-21kworker/u16:2+events_unbound21:45:556
4081276993230,2cyclictest137226-21kworker/u16:3+events_unbound21:17:046
4081271993230,2cyclictest47200-21kworker/u16:0+events_unbound21:29:565
4081271993230,2cyclictest464753-21kworker/u16:4+events_unbound23:56:365
4081271993230,2cyclictest416676-21kworker/u16:5+events_unbound23:13:485
4081271993230,2cyclictest3887042-21kworker/u16:3+events_unbound19:26:005
4081271993230,2cyclictest316720-21kworker/u16:1+events_unbound23:03:035
4081271993230,2cyclictest198109-21kworker/u16:2+events_unbound22:03:525
4081271993230,2cyclictest198109-21kworker/u16:2+events_unbound21:57:565
4081271993230,2cyclictest137295-21kworker/u16:4+events_unbound21:46:195
4081271993230,2cyclictest137226-21kworker/u16:3+events_unbound21:35:285
4081271993230,2cyclictest137226-21kworker/u16:3+events_unbound21:15:035
4081271993229,2cyclictest47200-21kworker/u16:0+flush-8:023:19:055
4081264993230,2cyclictest439947-21kworker/u16:2+events_unbound23:29:404
4081264993230,2cyclictest198109-21kworker/u16:2+events_unbound21:42:404
4081276993129,2cyclictest47200-21kworker/u16:0+events_unbound21:13:316
4081276993129,2cyclictest4182554-21kworker/u16:3+events_unbound20:16:176
4081276993129,2cyclictest316720-21kworker/u16:1+flush-8:022:34:436
4081271993129,2cyclictest47200-21kworker/u16:0+flush-8:023:41:045
4081276993028,2cyclictest47200-21kworker/u16:0+events_unbound22:22:406
4081276993028,2cyclictest47200-21kworker/u16:0+events_unbound22:10:406
4081276993028,2cyclictest47200-21kworker/u16:0+events_unbound21:52:326
4081276993028,2cyclictest439947-21kworker/u16:2+events_unbound23:18:396
4081276993028,2cyclictest416676-21kworker/u16:5+events_unbound23:13:406
4081276993028,2cyclictest137295-21kworker/u16:4+events_unbound21:40:526
4081276993028,2cyclictest137226-21kworker/u16:3+events_unbound21:23:316
4081271993028,2cyclictest4133808-21kworker/u16:0+events_unbound19:43:005
4081271993028,2cyclictest4133808-21kworker/u16:0+events_unbound19:43:005
4081264993029,1cyclictest47200-21kworker/u16:0+flush-8:022:01:114
4081264993028,2cyclictest576831-21kworker/u16:3+events_unbound00:38:474
4081264993028,2cyclictest47200-21kworker/u16:0+flush-8:023:19:214
4081264993028,2cyclictest464753-21kworker/u16:4+flush-8:023:44:204
4081264993028,2cyclictest416676-21kworker/u16:5+events_unbound23:16:324
4081264993028,2cyclictest316720-21kworker/u16:1+events_unbound22:42:124
4081264993028,2cyclictest221970-21kworker/u16:1+flush-8:021:49:564
4081264993028,2cyclictest221970-21kworker/u16:1+events_unbound21:57:394
408079223020,7sleep60-21swapper/619:06:026
40840982290,1chrt0-21swapper/719:09:077
4081271992927,2cyclictest47200-21kworker/u16:0+events_unbound21:51:125
4081271992927,2cyclictest4081042-21kworker/u16:1+events_unbound19:20:005
4081271992926,2cyclictest47200-21kworker/u16:0+flush-8:022:09:315
4081264992927,2cyclictest47200-21kworker/u16:0+flush-8:021:16:594
4081264992927,2cyclictest47200-21kworker/u16:0+flush-8:000:09:154
4081264992927,2cyclictest137295-21kworker/u16:4+events_unbound21:29:324
4081264992927,2cyclictest137226-21kworker/u16:3+flush-8:021:35:564
4081271992826,2cyclictest4081042-21kworker/u16:1+events_unbound20:26:175
4081264992826,2cyclictest47200-21kworker/u16:0+events_unbound22:23:524
4081264992826,2cyclictest464753-21kworker/u16:4+events_unbound23:50:194
4081264992826,2cyclictest464753-21kworker/u16:4+events_unbound23:50:194
4081264992826,2cyclictest3887042-21kworker/u16:3+events_unbound19:14:204
4081264992826,2cyclictest316720-21kworker/u16:1+events_unbound23:06:404
4081271992725,2cyclictest4182554-21kworker/u16:3+events_unbound20:23:175
4081271992725,2cyclictest4172301-21kworker/u16:4+events_unbound20:17:045
4081264992725,2cyclictest4182554-21kworker/u16:3+events_unbound20:40:004
4081264992725,2cyclictest198109-21kworker/u16:2+events_unbound22:45:124
4081264992725,2cyclictest198109-21kworker/u16:2+events_unbound22:07:564
4081264992725,2cyclictest137226-21kworker/u16:3+events_unbound21:20:194
4081276992624,2cyclictest4081042-21kworker/u16:1+events_unbound19:13:046
4081276992624,2cyclictest3346903-21kworker/u16:2+events_unbound19:42:016
4081276992624,2cyclictest3346903-21kworker/u16:2+events_unbound19:42:016
4081271992624,2cyclictest76538-21kworker/u16:2+events_unbound21:02:245
4081271992624,2cyclictest4172301-21kworker/u16:4+events_unbound20:11:165
4081271992624,2cyclictest198109-21kworker/u16:2+events_unbound22:30:035
4081264992624,2cyclictest47200-21kworker/u16:0+events_unbound22:37:114
4081264992624,2cyclictest4081042-21kworker/u16:1+events_unbound21:10:044
4081264992624,2cyclictest3887042-21kworker/u16:3+events_unbound19:36:004
4081276992523,2cyclictest47200-21kworker/u16:0+events_unbound22:45:396
4081276992523,2cyclictest4172301-21kworker/u16:4+flush-8:020:33:596
4081271992523,2cyclictest4171659-21kworker/u16:0+events_unbound19:53:045
4081276992422,2cyclictest4172301-21kworker/u16:4+flush-8:020:53:456
4081276992422,2cyclictest4171659-21kworker/u16:0+events_unbound19:53:006
4081276992422,2cyclictest4081042-21kworker/u16:1+flush-8:020:09:146
4081271992422,2cyclictest4081042-21kworker/u16:1+events_unbound21:07:515
4081264992422,2cyclictest76538-21kworker/u16:2+events_unbound20:57:004
4081264992422,2cyclictest76538-21kworker/u16:2+events_unbound20:53:014
4081276992321,2cyclictest316720-21kworker/u16:1+events_unbound22:55:436
4081276992320,2cyclictest4133808-21kworker/u16:0+events_unbound19:33:566
4081271992321,2cyclictest4182554-21kworker/u16:3+events_unbound20:41:165
4081271992321,2cyclictest4172301-21kworker/u16:4+flush-8:020:06:005
4081271992321,2cyclictest4081042-21kworker/u16:1+events_unbound19:57:415
4081264992320,2cyclictest3887042-21kworker/u16:3+events_unbound19:24:004
4081278992221,0cyclictest0-21swapper/720:54:047
4081276992220,2cyclictest4172301-21kworker/u16:4+events_unbound21:01:006
4081276992219,2cyclictest3346903-21kworker/u16:2+events_unbound19:18:526
4081264992219,2cyclictest4172301-21kworker/u16:4+flush-8:020:19:034
4081271992119,2cyclictest3346903-21kworker/u16:2+flush-8:019:45:005
4081264992119,2cyclictest3887042-21kworker/u16:3+events_unbound19:23:044
4081276992018,2cyclictest4172301-21kworker/u16:4+events_unbound20:05:166
4081276992018,2cyclictest3346903-21kworker/u16:2+flush-8:019:16:006
4081271992018,2cyclictest76538-21kworker/u16:2+events_unbound20:47:515
4081271992018,2cyclictest4172301-21kworker/u16:4+flush-8:020:55:195
4081271992018,2cyclictest4081042-21kworker/u16:1+events_unbound20:01:125
4081276991917,2cyclictest4182554-21kworker/u16:3+events_unbound20:23:486
4081276991917,2cyclictest3346903-21kworker/u16:2+events_unbound19:46:176
4081271991917,2cyclictest47200-21kworker/u16:0+events_unbound20:48:535
4081271991917,2cyclictest3346903-21kworker/u16:2+events_unbound19:14:415
4081278991813,4cyclictest4191929-21latency_hist20:03:507
4081278991812,5cyclictest17974-21latency_hist20:13:497
4081276991816,2cyclictest3346903-21kworker/u16:2+events_unbound19:27:596
4081271991816,2cyclictest3887042-21kworker/u16:3+events_unbound19:36:055
4081271991816,2cyclictest3346903-21kworker/u16:2+events_unbound19:13:215
4081264991816,2cyclictest4171659-21kworker/u16:0+events_unbound19:57:044
4081264991816,2cyclictest4081042-21kworker/u16:1+events_unbound19:12:014
4081278991713,3cyclictest1302-21snmpd21:36:257
4081264991715,2cyclictest4081042-21kworker/u16:1+events_unbound21:04:594
4081264991715,2cyclictest3346903-21kworker/u16:2+flush-8:019:29:564
4081264991714,2cyclictest3887042-21kworker/u16:3+events_unbound19:39:054
4081264991714,2cyclictest3887042-21kworker/u16:3+events_unbound19:39:054
4081278991613,2cyclictest1302-21snmpd23:52:287
4081278991613,2cyclictest1302-21snmpd23:52:287
4081278991613,2cyclictest1302-21snmpd23:14:247
4081278991613,2cyclictest0-21swapper/721:18:497
4081276991614,2cyclictest47200-21kworker/u16:0+flush-8:020:54:156
4081264991614,2cyclictest4182554-21kworker/u16:3+events_unbound20:16:014
4081264991614,2cyclictest3346903-21kworker/u16:2+events_unbound19:49:254
4081278991510,4cyclictest210083-21latency_hist21:43:497
408127899150,14cyclictest0-21swapper/720:14:137
408127899150,13cyclictest1302-21snmpd22:52:457
4081276991513,2cyclictest4182554-21kworker/u16:3+events_unbound20:29:486
4081276991512,2cyclictest76538-21kworker/u16:2+events_unbound20:44:086
4081276991512,2cyclictest4182554-21kworker/u16:3+events_unbound20:23:566
4081271991513,2cyclictest4081042-21kworker/u16:1+events_unbound20:32:035
4081271991513,2cyclictest4081042-21kworker/u16:1+events_unbound19:32:095
4081264991513,2cyclictest4172301-21kworker/u16:4+flush-8:020:59:554
408127899149,4cyclictest613168-21latency_hist00:33:497
408127899148,5cyclictest4162738-21latency_hist19:48:507
4081278991411,2cyclictest1302-21snmpd20:24:417
4081278991411,2cyclictest125-21kswapd022:12:547
4081276991412,2cyclictest76538-21kworker/u16:2+events_unbound21:08:246
408127699140,14cyclictest0-21swapper/619:59:196
4081264991412,1cyclictest4183369-21iostat19:59:054
4081264991411,2cyclictest3887042-21kworker/u16:3+events_unbound19:43:514
408127899139,3cyclictest1302-21snmpd20:35:117
408127899139,3cyclictest1302-21snmpd00:36:097
408127899136,6cyclictest4153014-21turbostat19:43:497
408127899136,6cyclictest4153014-21turbostat19:43:497
408127899135,7cyclictest6530-21gmain19:14:037
4081278991310,2cyclictest0-21swapper/723:54:177
4081278991310,2cyclictest0-21swapper/722:29:147
4081278991310,2cyclictest0-21swapper/720:33:497
408127899130,3cyclictest125098-21diskmemload23:04:047
4081276991311,2cyclictest4172301-21kworker/u16:4+events_unbound20:43:056
4081276991311,2cyclictest3346903-21kworker/u16:2+events_unbound19:30:256
4081264991311,2cyclictest4172301-21kworker/u16:4+events_unbound20:46:154
408127899128,3cyclictest6124-21gmain00:07:187
408127899128,3cyclictest6054-21evolution-alarm20:19:017
408127899128,3cyclictest1302-21snmpd23:29:137
408127899128,3cyclictest1302-21snmpd23:20:467
408127899128,3cyclictest1302-21snmpd22:54:097
408127899128,3cyclictest1302-21snmpd21:11:247
408127899128,3cyclictest1302-21snmpd19:54:597
408127899127,4cyclictest6233-21gvfs-afc-volume19:49:137
408127899126,5cyclictest488855-21latency_hist23:38:507
408127899124,7cyclictest6530-21gmain19:34:197
4081278991210,1cyclictest0-21swapper/723:39:167
408127899120,1cyclictest0-21swapper/721:44:077
408127199129,2cyclictest4172301-21kworker/u16:4+flush-8:020:33:545
408127899119,1cyclictest0-21swapper/722:28:287
408127899118,2cyclictest427521-21ssh23:12:217
408127899118,2cyclictest1302-21snmpd21:30:557
408127899118,2cyclictest0-21swapper/721:24:127
408127899118,2cyclictest0-21swapper/719:19:047
408127899117,3cyclictest1302-21snmpd22:00:207
408127899116,4cyclictest577790-21tune2fs00:19:067
408127899115,5cyclictest6233-21gvfs-afc-volume22:39:237
408127899114,6cyclictest6233-21gvfs-afc-volume22:14:367
408127899110,9cyclictest553621-21tune2fs00:09:007
408127899110,10cyclictest1302-21snmpd22:37:097
408127899110,10cyclictest1302-21snmpd19:29:437
408126499119,2cyclictest4172301-21kworker/u16:4+flush-8:020:04:154
4081264991110,1cyclictest0-21swapper/420:31:254
408126499110,11cyclictest0-21swapper/420:35:214
408127899108,1cyclictest0-21swapper/723:44:027
408127899107,2cyclictest1302-21snmpd22:19:207
408127899107,2cyclictest1302-21snmpd22:03:567
408127899107,2cyclictest0-21swapper/721:19:157
408127899107,2cyclictest0-21swapper/700:13:507
408127899106,3cyclictest1302-21snmpd22:48:067
408127899106,3cyclictest1302-21snmpd20:39:307
408127899106,3cyclictest0-21swapper/723:24:207
408127899100,9cyclictest1302-21snmpd00:27:027
408127899100,9cyclictest0-21swapper/720:49:067
408126499100,0cyclictest0-21swapper/420:09:304
40812789995,3cyclictest1302-21snmpd20:43:577
40812789994,4cyclictest4115500-21sed19:24:077
40812789994,4cyclictest122574-21kthreadcore21:04:127
40812789994,4cyclictest110496-21cut20:59:097
40812769997,2cyclictest4081042-21kworker/u16:1+flush-8:019:53:556
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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