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2026-05-17 - 21:23
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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 Sun May 17, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
93412721010,1sleep70-21swapper/711:03:097
93412721010,1sleep70-21swapper/711:03:097
107381921010,1sleep71073818-21ssh11:58:477
416330995452,2cyclictest967092-21kworker/u16:4+events_unbound11:48:154
416330994846,2cyclictest583748-21kworker/u16:2+events_unbound08:33:154
416330994745,2cyclictest563272-21kworker/u16:4+events_unbound09:13:164
41583124736,7sleep50-21swapper/507:05:005
416342994641,4cyclictest918072-21latency_hist10:57:497
416342994641,3cyclictest1051853-21latency_hist11:52:507
628089450,38rtkit-daemon0-21swapper/407:05:204
416342994539,5cyclictest583507-21latency_hist08:32:507
416330994341,2cyclictest1004958-21kworker/u16:3+events_unbound11:44:154
416330994341,2cyclictest1004958-21kworker/u16:3+events_unbound11:44:154
4068192403,31sleep70-21swapper/707:02:537
416330993937,2cyclictest902998-21kworker/u16:2+events_unbound10:57:404
416330993937,2cyclictest784580-21kworker/u16:4+flush-8:010:33:054
416330993936,2cyclictest967092-21kworker/u16:4+events_unbound11:36:434
416330993836,2cyclictest747975-21kworker/u16:3+events_unbound10:00:364
416330993836,2cyclictest667068-21kworker/u16:0+flush-8:009:44:234
416330993836,2cyclictest667068-21kworker/u16:0+flush-8:009:44:234
416330993735,2cyclictest967092-21kworker/u16:4+flush-8:011:26:474
416330993735,2cyclictest699342-21kworker/u16:1+events_unbound09:40:404
416330993731,6cyclictest954990-21kworker/u16:0+events_unbound11:22:354
416342993630,5cyclictest564285-21latency_hist08:22:507
416330993634,2cyclictest967092-21kworker/u16:4+events_unbound12:02:524
416330993634,2cyclictest929569-21kworker/u16:1+events_unbound11:32:354
416330993634,2cyclictest915654-21kworker/u16:0+events_unbound11:01:444
416330993634,2cyclictest882091-21kworker/u16:0+events_unbound10:46:594
416330993634,2cyclictest782039-21kworker/u16:1+events_unbound10:24:404
416330993634,2cyclictest782039-21kworker/u16:1+events_unbound10:24:404
416330993634,2cyclictest747975-21kworker/u16:3+events_unbound10:28:564
416330993634,2cyclictest722782-21kworker/u16:2+events_unbound10:39:554
416330993634,2cyclictest722782-21kworker/u16:2+events_unbound09:52:434
416330993634,2cyclictest583748-21kworker/u16:2+events_unbound09:24:564
416330993634,2cyclictest1124631-21kworker/u16:1+flush-8:012:32:494
416330993634,2cyclictest1004957-21kworker/u16:2+flush-8:012:25:404
416330993633,2cyclictest784580-21kworker/u16:4+events_unbound10:12:124
416330993533,2cyclictest942415-21kworker/u16:3+events_unbound11:09:004
416330993432,2cyclictest967092-21kworker/u16:4+events_unbound11:53:554
416330993432,2cyclictest1076083-21kworker/u16:3+events_unbound12:14:034
416330993432,2cyclictest1004957-21kworker/u16:2+events_unbound12:10:124
41597423411,7sleep60-21swapper/607:07:016
416330993331,2cyclictest967092-21kworker/u16:4+events_unbound11:41:364
416330993331,2cyclictest782039-21kworker/u16:1+events_unbound10:06:454
416330993331,2cyclictest747975-21kworker/u16:3+events_unbound10:49:594
416330993331,2cyclictest699342-21kworker/u16:1+events_unbound09:29:554
416330993331,2cyclictest672451-21kworker/u16:3+events_unbound09:20:074
416330993331,2cyclictest1051854-21kworker/u16:1+events_unbound12:02:154
416330993331,2cyclictest1004957-21kworker/u16:2+events_unbound12:37:304
416330993331,2cyclictest1004957-21kworker/u16:2+events_unbound12:19:514
416330993330,3cyclictest722782-21kworker/u16:2+events_unbound09:54:194
416335993229,2cyclictest1110155-21kworker/u16:0+events_unbound12:18:055
416330993230,2cyclictest699342-21kworker/u16:1+events_unbound09:35:514
416330993230,2cyclictest3898558-21kworker/u16:5+events_unbound07:33:194
416330993229,2cyclictest784580-21kworker/u16:4+events_unbound10:12:594
416330993129,2cyclictest902998-21kworker/u16:2+events_unbound11:05:354
416330993129,2cyclictest902998-21kworker/u16:2+events_unbound11:05:354
416330993028,2cyclictest954990-21kworker/u16:0+events_unbound11:16:044
416330993028,2cyclictest747975-21kworker/u16:3+events_unbound10:21:194
416340992926,3cyclictest525484-21kworker/u16:0+flush-8:008:28:156
416335992927,2cyclictest782039-21kworker/u16:1+events_unbound10:48:155
416330992927,2cyclictest650556-21kworker/u16:1+flush-8:009:07:554
416330992826,2cyclictest3898558-21kworker/u16:5+events_unbound07:19:014
416340992725,2cyclictest967092-21kworker/u16:4+flush-8:011:18:156
6852352260,1chrt685233-21ssh09:19:147
416330992624,2cyclictest507697-21kworker/u16:3+events_unbound08:17:314
416330992523,2cyclictest583748-21kworker/u16:2+flush-8:008:52:004
416330992523,2cyclictest507697-21kworker/u16:3+events_unbound08:04:004
7957912230,1chrt795792-21sh10:06:187
416342992320,2cyclictest124-21kswapd010:43:037
416342992319,3cyclictest1039791-21cat11:47:497
416342992319,3cyclictest1039791-21cat11:47:497
416330992321,2cyclictest448031-21kworker/u16:2+flush-8:007:23:204
416330992320,2cyclictest448031-21kworker/u16:2+events_unbound07:28:004
416342992217,4cyclictest1003204-21latency_hist11:32:507
416330992220,2cyclictest563272-21kworker/u16:4+events_unbound08:21:004
416330992219,2cyclictest583748-21kworker/u16:2+events_unbound09:02:594
416330992219,2cyclictest583748-21kworker/u16:2+events_unbound09:02:594
416342992119,1cyclictest1017159-21ssh11:38:077
416335992117,3cyclictest563272-21kworker/u16:4+flush-8:009:08:165
416342992017,2cyclictest1121442-21ssh12:18:137
416342992016,3cyclictest0-21swapper/712:22:507
416335992018,2cyclictest3898558-21kworker/u16:5+flush-8:007:12:565
416335992018,2cyclictest3898558-21kworker/u16:5+events_unbound07:48:045
416335992018,2cyclictest1076083-21kworker/u16:3+events_unbound12:13:045
416335992016,3cyclictest782039-21kworker/u16:1+flush-8:010:43:075
416330992018,2cyclictest3898558-21kworker/u16:5+events_unbound07:15:004
41634299199,8cyclictest6895-21gmain07:53:037
416342991913,5cyclictest525772-21latency_hist08:02:517
416340991917,2cyclictest967092-21kworker/u16:4+events_unbound11:23:186
416340991917,2cyclictest525979-21kworker/u16:1+events_unbound08:13:156
416335991916,2cyclictest915654-21kworker/u16:0+flush-8:011:03:075
416335991916,2cyclictest915654-21kworker/u16:0+flush-8:011:03:075
416330991917,2cyclictest3898558-21kworker/u16:5+events_unbound07:43:444
416342991815,2cyclictest1234-21snmpd11:57:197
416342991815,2cyclictest1234-21snmpd11:10:097
416342991812,5cyclictest612340-21latency_hist08:47:517
416340991815,3cyclictest1004958-21kworker/u16:3+events_unbound11:38:056
416330991816,2cyclictest583748-21kworker/u16:2+events_unbound09:00:014
416330991816,2cyclictest525979-21kworker/u16:1+events_unbound08:38:594
416330991816,2cyclictest525484-21kworker/u16:0+events_unbound08:55:594
416342991711,5cyclictest554652-21latency_hist08:17:507
416340991715,2cyclictest467763-21kworker/u16:0+events_unbound07:38:186
41634099170,1cyclictest0-21swapper/610:53:156
416330991715,2cyclictest525979-21kworker/u16:1+events_unbound08:32:454
416342991615,0cyclictest0-21swapper/708:53:167
41634299160,14cyclictest650752-21diskmemload09:43:147
41634299160,14cyclictest650752-21diskmemload09:43:147
41634299160,14cyclictest1234-21snmpd11:23:067
416340991613,2cyclictest1076083-21kworker/u16:3+flush-8:012:13:116
416335991614,2cyclictest487267-21kworker/u16:2+flush-8:008:08:185
416335991613,2cyclictest949575-21cut11:08:135
41633599160,15cyclictest1026326-21chrt11:40:415
416342991513,1cyclictest710473-21ssh09:31:037
416342991511,3cyclictest834344-21ssh10:23:057
416342991511,3cyclictest834344-21ssh10:23:057
41634299150,14cyclictest0-21swapper/711:13:167
41634299150,13cyclictest0-21swapper/711:18:147
416340991513,2cyclictest1004957-21kworker/u16:2+flush-8:012:07:506
41634099150,1cyclictest951754-21find11:08:206
41634099150,1cyclictest0-21swapper/610:26:056
41634099150,1cyclictest0-21swapper/610:26:056
416335991513,2cyclictest1110155-21kworker/u16:0+flush-8:012:28:045
41633599150,14cyclictest0-21swapper/509:58:035
416330991513,2cyclictest507697-21kworker/u16:3+events_unbound07:58:184
416342991413,0cyclictest0-21swapper/710:13:037
41634299140,13cyclictest0-21swapper/707:28:127
41634299140,13cyclictest0-21swapper/707:08:167
416340991413,1cyclictest0-21swapper/612:36:006
416340991413,1cyclictest0-21swapper/612:00:516
416340991413,1cyclictest0-21swapper/610:40:176
416340991413,1cyclictest0-21swapper/610:01:016
416340991413,1cyclictest0-21swapper/609:49:216
416340991410,3cyclictest967092-21kworker/u16:4+flush-8:011:28:046
41634099140,1cyclictest0-21swapper/609:12:476
416335991413,1cyclictest914920-21ldconfig10:53:145
416335991413,1cyclictest0-21swapper/512:25:285
416335991413,1cyclictest0-21swapper/509:44:495
416335991413,1cyclictest0-21swapper/509:44:495
41633599140,14cyclictest0-21swapper/510:09:435
41633599140,14cyclictest0-21swapper/508:23:185
416330991412,2cyclictest3898558-21kworker/u16:5+events_unbound07:48:024
41634299139,3cyclictest1234-21snmpd10:37:387
41634299139,3cyclictest1234-21snmpd10:00:497
41634299139,3cyclictest1234-21snmpd08:27:027
41634299139,3cyclictest1234-21snmpd08:07:327
41634299138,4cyclictest672121-21grep09:13:217
41634299137,5cyclictest6382-21gvfs-afc-volume12:13:107
416342991312,0cyclictest0-21swapper/710:48:187
41634299130,11cyclictest1234-21snmpd11:33:077
41634099137,5cyclictest0-21swapper/609:33:086
41634099130,13cyclictest0-21swapper/612:21:016
41634099130,13cyclictest0-21swapper/609:26:306
41634099130,0cyclictest0-21swapper/609:21:476
41633599139,3cyclictest699342-21kworker/u16:1+flush-8:009:38:085
416335991312,1cyclictest0-21swapper/511:23:025
416335991312,1cyclictest0-21swapper/510:37:285
416335991312,1cyclictest0-21swapper/510:22:395
41633099138,4cyclictest611571-21smart_sda08:43:174
41633099138,4cyclictest544227-21smart_sda08:08:194
416330991311,2cyclictest416088-21kworker/u16:0+events_unbound07:07:524
41634299129,2cyclictest1234-21snmpd12:03:497
41634299129,2cyclictest1234-21snmpd09:47:587
41634299128,3cyclictest881680-21perf10:42:507
41634299128,3cyclictest1234-21snmpd12:09:447
41634299128,3cyclictest1234-21snmpd10:31:057
41634299128,3cyclictest1234-21snmpd08:47:547
41634299127,4cyclictest1234-21snmpd07:40:467
41634299126,5cyclictest6382-21gvfs-afc-volume07:13:047
416342991211,0cyclictest0-21swapper/712:28:177
416342991211,0cyclictest0-21swapper/708:58:197
416342991211,0cyclictest0-21swapper/707:23:087
416342991210,1cyclictest808806-21turbostat10:12:507
41634099129,2cyclictest1076083-21kworker/u16:3+events_unbound12:08:056
416340991211,1cyclictest0-21swapper/608:10:026
41633599128,3cyclictest712759-21cat09:33:055
416335991211,1cyclictest0-21swapper/512:02:465
416335991211,1cyclictest0-21swapper/509:32:215
416335991211,1cyclictest0-21swapper/509:21:385
416335991211,1cyclictest0-21swapper/507:36:005
416335991210,1cyclictest0-21swapper/510:13:095
41633099127,4cyclictest478859-21iostat_ios07:38:084
41634299118,2cyclictest1234-21snmpd10:57:577
41634299118,2cyclictest0-21swapper/712:33:087
41634299117,3cyclictest1234-21snmpd10:18:117
41634299117,3cyclictest1234-21snmpd08:40:237
41634299117,3cyclictest1234-21snmpd08:36:447
41634299116,5cyclictest6382-21gvfs-afc-volume09:42:117
41634299115,5cyclictest6382-21gvfs-afc-volume09:54:087
41634299114,7cyclictest6382-21gvfs-afc-volume09:10:557
41634299114,6cyclictest6032-21gmain07:43:077
41634299110,9cyclictest1234-21snmpd09:03:127
41634299110,9cyclictest1234-21snmpd09:03:127
41634099119,1cyclictest797136-21/usr/sbin/munin10:08:056
41634099119,1cyclictest0-21swapper/610:18:076
41634099119,1cyclictest0-21swapper/610:03:076
41634099119,1cyclictest0-21swapper/609:28:106
41634099119,1cyclictest0-21swapper/607:53:076
41634099119,1cyclictest0-21swapper/607:23:076
41634099119,1cyclictest0-21swapper/607:13:086
41634099118,2cyclictest769227-21ntpq09:53:156
41634099118,2cyclictest416540-21/usr/sbin/munin07:08:166
41634099117,4cyclictest0-21swapper/611:43:106
41634099117,4cyclictest0-21swapper/611:43:106
41634099116,4cyclictest961705-21grep11:13:116
41634099115,5cyclictest0-21swapper/612:23:096
41634099114,6cyclictest931029-21cstates11:03:036
41634099114,6cyclictest931029-21cstates11:03:036
41634099110,11cyclictest0-21swapper/607:19:166
41634099110,10cyclictest470838-21kthreadcore07:33:076
41633599119,2cyclictest722782-21kworker/u16:2+flush-8:009:52:555
41633599119,1cyclictest0-21swapper/512:08:095
41633599119,1cyclictest0-21swapper/509:48:095
41633599119,1cyclictest0-21swapper/507:38:125
416335991110,1cyclictest0-21swapper/508:22:505
416335991110,1cyclictest0-21swapper/508:04:425
41633599110,1cyclictest0-21swapper/507:26:425
41633599110,11cyclictest0-21swapper/507:53:305
41634299108,1cyclictest0-21swapper/709:33:177
41634299106,3cyclictest1234-21snmpd08:08:267
41634299106,3cyclictest1234-21snmpd07:52:077
41634299106,3cyclictest1234-21snmpd07:36:437
41634299106,3cyclictest1234-21snmpd07:21:587
41634299105,4cyclictest6382-21gvfs-afc-volume09:25:597
41634099108,2cyclictest86-21ksoftirqd/610:45:556
41634099108,2cyclictest699342-21kworker/u16:1+flush-8:009:43:006
41634099108,2cyclictest699342-21kworker/u16:1+flush-8:009:43:006
41634099108,1cyclictest0-21swapper/611:53:086
41634099108,1cyclictest0-21swapper/610:48:016
41634099108,1cyclictest0-21swapper/610:28:106
41634099108,1cyclictest0-21swapper/609:38:116
41634099108,1cyclictest0-21swapper/608:53:086
41634099108,1cyclictest0-21swapper/608:43:106
41634099108,1cyclictest0-21swapper/608:18:116
41634099108,1cyclictest0-21swapper/607:48:076
41634099108,1cyclictest0-21swapper/607:43:076
41634099108,1cyclictest0-21swapper/607:28:066
41634099106,3cyclictest1137846-21fschecks_time12:28:036
41634099105,5cyclictest747975-21kworker/u16:3-writeback10:33:146
41634099105,5cyclictest747975-21kworker/u16:3-events_unbound10:15:326
41634099105,5cyclictest583748-21kworker/u16:2-events_unbound09:15:286
41634099100,9cyclictest1005213-21kthreadcore11:33:066
41634099100,8cyclictest0-21swapper/608:58:046
41634099100,3cyclictest596809-21kthreadcore08:38:076
41634099100,2cyclictest645959-21grep09:03:096
41634099100,2cyclictest645959-21grep09:03:096
41633599109,1cyclictest0-21swapper/508:39:325
41633599108,2cyclictest1110155-21kworker/u16:0+events_unbound12:33:125
41633599108,1cyclictest0-21swapper/511:43:075
41633599108,1cyclictest0-21swapper/511:43:075
41633599108,1cyclictest0-21swapper/511:18:115
41633599106,3cyclictest517296-21cat07:58:095
4163409998,1cyclictest612730-21/usr/sbin/munin08:48:046
4163409997,2cyclictest86-21ksoftirqd/611:50:446
4163409997,1cyclictest0-21swapper/608:33:096
4163409997,1cyclictest0-21swapper/608:23:046
4163409997,1cyclictest0-21swapper/608:03:096
4163409997,1cyclictest0-21swapper/607:58:126
4163409995,3cyclictest921917-21kthreadcore10:58:086
4163359998,1cyclictest0-21swapper/507:07:565
4163359997,1cyclictest0-21swapper/510:58:085
4163359996,2cyclictest0-21swapper/508:43:075
4163359995,3cyclictest841114-21kthreadcore10:23:115
4163359995,3cyclictest841114-21kthreadcore10:23:115
4163309995,3cyclictest507680-21cat07:53:054
4163359986,1cyclictest0-21swapper/510:28:095
4163359983,4cyclictest992070-21grep11:28:045
4163359983,4cyclictest875179-21grep10:38:105
4163359983,4cyclictest787967-21kthreadcore10:03:075
4163359983,4cyclictest643436-21cut09:03:075
4163359983,4cyclictest643436-21cut09:03:075
4163359983,4cyclictest638393-21cut08:58:125
4163359983,4cyclictest615181-21tr08:48:075
4163359983,4cyclictest1082653-21cut12:03:085
4163359983,4cyclictest1003998-21expr11:33:015
4163359980,7cyclictest583509-21turbostat08:32:505
4163359980,7cyclictest0-21swapper/508:13:045
4163359980,5cyclictest584099-21cpuspeed_turbos08:33:015
4163309983,4cyclictest572465-21cut08:23:114
4163359975,2cyclictest954990-21kworker/u16:0+events_unbound11:13:085
4163359975,1cyclictest0-21swapper/509:13:055
4163359973,3cyclictest687670-21grep09:23:015
4163359973,3cyclictest629178-21kthreadcore08:53:115
4163359973,3cyclictest491937-21cut07:43:105
4163359973,3cyclictest459729-21sed07:28:055
4163359972,4cyclictest439821-21cpuspeed_turbos07:18:025
4163359972,4cyclictest1055282-21grep11:53:065
4163359972,4cyclictest1041025-21irqcore11:48:055
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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