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2026-06-22 - 19:12
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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 376 highest latencies:
System rack0slot2.osadl.org (updated Mon Jun 22, 2026 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48929425948,8sleep40-21swapper/407:05:194
48945725444,7sleep50-21swapper/507:07:375
641489450,38rtkit-daemon0-21swapper/607:08:276
4894592415,31sleep70-21swapper/707:07:397
489874993735,2cyclictest752257-21kworker/u16:2+events_unbound09:37:345
489874993735,2cyclictest609716-21kworker/u16:3+flush-8:009:44:545
489874993634,2cyclictest975943-21kworker/u16:0+events_unbound11:11:345
489874993634,2cyclictest1145288-21kworker/u16:5+events_unbound12:34:065
489874993634,2cyclictest1036383-21kworker/u16:2+events_unbound11:41:385
489874993634,2cyclictest1036383-21kworker/u16:2+events_unbound11:21:345
489874993532,2cyclictest826387-21kworker/u16:1+events_unbound10:09:495
489874993432,2cyclictest609716-21kworker/u16:3+events_unbound09:14:425
489874993432,2cyclictest1086113-21kworker/u16:3+events_unbound11:37:495
489874993431,2cyclictest609716-21kworker/u16:3+events_unbound09:29:415
489874993332,1cyclictest1145288-21kworker/u16:5+events_unbound12:00:535
489874993332,1cyclictest1145288-21kworker/u16:5+events_unbound12:00:535
489874993331,2cyclictest935214-21kworker/u16:4+flush-8:010:47:345
489874993331,2cyclictest935214-21kworker/u16:4+events_unbound10:37:345
489874993331,2cyclictest826387-21kworker/u16:1+events_unbound10:20:265
489874993331,2cyclictest826387-21kworker/u16:1+events_unbound10:16:535
489874993331,2cyclictest1145288-21kworker/u16:5+events_unbound12:06:505
489874993231,1cyclictest960514-21kworker/u16:0+events_unbound10:42:135
489874993230,2cyclictest935214-21kworker/u16:4+events_unbound10:49:415
489874993230,2cyclictest849774-21kworker/u16:2+flush-8:010:30:265
489874993230,2cyclictest1036383-21kworker/u16:2+events_unbound11:31:465
489874993230,2cyclictest1036383-21kworker/u16:2+events_unbound11:18:135
489874993230,2cyclictest1021565-21kworker/u16:1+events_unbound12:10:455
489874993129,2cyclictest935214-21kworker/u16:4+events_unbound11:06:025
489874993129,2cyclictest752257-21kworker/u16:2+events_unbound09:27:555
489874993129,2cyclictest609716-21kworker/u16:3+events_unbound09:55:545
489874993129,2cyclictest609716-21kworker/u16:3+events_unbound09:55:545
489874993129,2cyclictest1184761-21kworker/u16:0+events_unbound12:35:425
489874993129,2cyclictest1061432-21kworker/u16:0+events_unbound11:25:505
489874993129,2cyclictest1021565-21kworker/u16:1+events_unbound11:49:095
489874993028,2cyclictest925259-21kworker/u16:3+events_unbound11:02:505
489874993028,2cyclictest849774-21kworker/u16:2+events_unbound10:03:185
489874993028,2cyclictest813927-21kworker/u16:0+events_unbound09:53:355
489874993028,2cyclictest752257-21kworker/u16:2+events_unbound09:21:385
489874993028,2cyclictest659723-21kworker/u16:1+events_unbound09:11:255
489874993028,2cyclictest1021565-21kworker/u16:1+events_unbound11:51:385
489874992927,2cyclictest826387-21kworker/u16:1+events_unbound10:28:505
489874992927,2cyclictest609716-21kworker/u16:3+events_unbound10:06:105
9119242280,1chrt911925-21sh10:22:577
489874992826,2cyclictest609716-21kworker/u16:3+events_unbound09:44:385
489874992826,2cyclictest1209337-21kworker/u16:2+events_unbound12:25:095
489874992826,2cyclictest1021565-21kworker/u16:1+events_unbound12:15:465
489874992824,3cyclictest571898-21kworker/u16:4+events_unbound08:19:595
10833742280,1chrt1083372-21ssh11:30:217
489874992725,2cyclictest609716-21kworker/u16:3+events_unbound09:00:015
489871992725,2cyclictest849774-21kworker/u16:2+events_unbound10:24:464
489874992624,2cyclictest935214-21kworker/u16:4+events_unbound10:58:545
489874992624,2cyclictest609716-21kworker/u16:3+events_unbound08:10:035
489874992624,2cyclictest571898-21kworker/u16:4+events_unbound07:55:025
489874992624,2cyclictest571898-21kworker/u16:4+events_unbound07:55:025
489874992624,2cyclictest1145288-21kworker/u16:5+events_unbound12:21:495
489874992624,2cyclictest1145288-21kworker/u16:5+events_unbound11:56:505
489874992624,2cyclictest1145288-21kworker/u16:5+events_unbound11:56:505
6662152250,1sleep465-21ksoftirqd/408:35:004
489871992523,2cyclictest813927-21kworker/u16:0+flush-8:009:55:054
489871992523,2cyclictest813927-21kworker/u16:0+flush-8:009:55:054
489871992523,2cyclictest571898-21kworker/u16:4+events_unbound08:49:394
489871992523,2cyclictest1123126-21kworker/u16:4+events_unbound11:49:544
489871992523,2cyclictest1086113-21kworker/u16:3+events_unbound11:45:074
489871992521,3cyclictest752498-21cat09:19:394
9839092240,1chrt983910-21sendmail_mailqu10:50:067
489877992420,3cyclictest436276-21kworker/u16:2+flush-8:007:39:556
489874992421,2cyclictest571898-21kworker/u16:4+flush-8:008:24:505
489871992422,2cyclictest571898-21kworker/u16:4+flush-8:007:59:354
489871992422,2cyclictest571898-21kworker/u16:4+flush-8:007:59:354
489874992321,2cyclictest697363-21kworker/u16:2+flush-8:008:55:055
489871992321,2cyclictest571898-21kworker/u16:4+flush-8:007:49:554
489871992321,2cyclictest571898-21kworker/u16:4+flush-8:007:49:554
489871992220,2cyclictest925259-21kworker/u16:3+events_unbound10:59:044
489871992220,2cyclictest554390-21kworker/u16:1+flush-8:007:44:554
489871992220,2cyclictest478452-21kworker/u16:3+flush-8:007:09:554
489871992220,2cyclictest459270-21kworker/u16:1+events_unbound07:14:544
489871992220,2cyclictest1145288-21kworker/u16:5+events_unbound11:59:544
489871992220,2cyclictest1145288-21kworker/u16:5+events_unbound11:59:544
489871992220,2cyclictest1021565-21kworker/u16:1+events_unbound11:10:024
489874992119,2cyclictest571898-21kworker/u16:4+flush-8:008:49:585
489871992119,2cyclictest947741-21kworker/u16:5+flush-8:010:44:354
489871992119,2cyclictest609716-21kworker/u16:3+flush-8:008:30:084
489871992119,2cyclictest1209337-21kworker/u16:2+events_unbound12:34:454
489874992017,2cyclictest591554-21kworker/u16:1+flush-8:008:04:595
489874992017,2cyclictest512253-21kworker/u16:5+flush-8:007:30:005
489871992018,2cyclictest947741-21kworker/u16:5+flush-8:010:45:054
489871992018,2cyclictest826387-21kworker/u16:1+events_unbound10:19:544
489871992018,2cyclictest1086113-21kworker/u16:3+events_unbound11:39:564
489871992017,2cyclictest826387-21kworker/u16:1+events_unbound10:14:554
489880991917,1cyclictest571698-21turbostat07:49:397
489874991917,2cyclictest708038-21kworker/u16:0+flush-8:009:04:495
489874991917,2cyclictest571898-21kworker/u16:4+events_unbound08:40:015
489874991916,2cyclictest552638-21kworker/u16:0+flush-8:007:59:405
489871991917,2cyclictest813927-21kworker/u16:0+flush-8:009:50:014
489871991917,2cyclictest1036383-21kworker/u16:2+events_unbound11:34:534
489871991917,2cyclictest1021565-21kworker/u16:1+events_unbound11:16:564
489871991914,2cyclictest1145288-21kworker/u16:5+events_unbound12:16:584
48988099180,16cyclictest934327-21ssh10:30:047
489874991816,2cyclictest489762-21kworker/u16:0+events_unbound07:16:515
489874991816,2cyclictest436276-21kworker/u16:2+flush-8:007:44:355
489871991816,2cyclictest935214-21kworker/u16:4+events_unbound11:03:494
489871991816,2cyclictest925259-21kworker/u16:3+events_unbound10:33:574
489871991816,2cyclictest813927-21kworker/u16:0+events_unbound09:48:544
489871991816,2cyclictest609716-21kworker/u16:3+events_unbound09:59:584
489871991816,2cyclictest512253-21kworker/u16:5+events_unbound07:25:024
489871991816,2cyclictest1145288-21kworker/u16:5+events_unbound12:13:294
489871991816,2cyclictest1036383-21kworker/u16:2+flush-8:011:20:064
489871991815,2cyclictest659723-21kworker/u16:1+events_unbound08:54:584
489880991715,1cyclictest0-21swapper/709:24:397
48988099170,15cyclictest650-21systemd-journal09:59:397
48988099170,15cyclictest650-21systemd-journal09:59:397
48988099170,15cyclictest1278-21snmpd10:18:497
489877991713,3cyclictest600985-21cat08:04:406
489871991715,2cyclictest659723-21kworker/u16:1+events_unbound09:11:364
489871991715,2cyclictest1209337-21kworker/u16:2+flush-8:012:24:444
489871991715,2cyclictest1145288-21kworker/u16:5+events_unbound12:09:354
489871991715,2cyclictest1061432-21kworker/u16:0+events_unbound11:30:044
489871991715,2cyclictest1036383-21kworker/u16:2+events_unbound11:26:254
489871991712,2cyclictest762051-21kworker/u16:6+events_unbound09:40:534
489880991614,1cyclictest0-21swapper/710:09:397
489877991612,3cyclictest1024009-21latency_hist11:09:396
489874991614,2cyclictest571898-21kworker/u16:4+events_unbound08:18:375
489871991614,2cyclictest935214-21kworker/u16:4+events_unbound11:09:074
489871991614,2cyclictest935214-21kworker/u16:4+events_unbound10:35:584
489871991614,2cyclictest849774-21kworker/u16:2+flush-8:010:10:174
489871991614,2cyclictest762051-21kworker/u16:6+events_unbound09:25:134
489871991614,2cyclictest762051-21kworker/u16:6+events_unbound09:20:554
489871991614,2cyclictest752257-21kworker/u16:2+flush-8:009:30:174
489871991614,2cyclictest752257-21kworker/u16:2+events_unbound09:37:384
489880991514,0cyclictest0-21swapper/708:09:407
489880991513,1cyclictest0-21swapper/712:30:027
489880991512,2cyclictest971312-21ssh10:45:017
48988099150,13cyclictest911-21dbus-daemon09:34:397
48988099150,13cyclictest0-21swapper/709:35:037
48988099150,13cyclictest0-21swapper/709:00:057
48988099150,13cyclictest0-21swapper/708:50:057
48988099150,13cyclictest0-21swapper/707:20:057
48987799150,1cyclictest0-21swapper/610:06:156
48987799150,1cyclictest0-21swapper/609:30:006
48987799150,14cyclictest0-21swapper/610:54:586
48987799150,14cyclictest0-21swapper/607:24:406
489874991513,2cyclictest512253-21kworker/u16:5+events_unbound07:36:515
489874991513,2cyclictest498584-21kworker/u16:4+events_unbound07:27:505
489871991513,2cyclictest849774-21kworker/u16:2+events_unbound10:08:464
489871991513,2cyclictest619462-21kworker/u16:0+events_unbound08:25:044
489871991513,2cyclictest1145288-21kworker/u16:5+events_unbound12:22:424
489871991512,2cyclictest436276-21kworker/u16:2+flush-8:008:19:554
48988099146,7cyclictest6083-21gmain09:25:057
489880991411,2cyclictest1278-21snmpd11:29:007
48988099140,12cyclictest561993-21turbostat07:44:397
489877991413,1cyclictest0-21swapper/612:36:116
489877991413,1cyclictest0-21swapper/612:23:536
489877991413,1cyclictest0-21swapper/611:37:136
489877991413,1cyclictest0-21swapper/609:46:336
489877991413,1cyclictest0-21swapper/609:35:596
48987799140,1cyclictest0-21swapper/610:37:576
48987799140,1cyclictest0-21swapper/610:00:066
48987799140,14cyclictest0-21swapper/611:48:256
48987799140,14cyclictest0-21swapper/611:34:046
48987799140,14cyclictest0-21swapper/610:47:156
48987799140,14cyclictest0-21swapper/610:26:456
48987799140,14cyclictest0-21swapper/607:38:516
489874991412,2cyclictest571898-21kworker/u16:4+events_unbound07:51:505
489874991412,2cyclictest571898-21kworker/u16:4+events_unbound07:51:505
489871991412,2cyclictest975943-21kworker/u16:0+flush-8:010:50:224
489871991412,2cyclictest1145288-21kworker/u16:5+events_unbound12:33:494
489871991412,2cyclictest1086113-21kworker/u16:3+events_unbound11:55:014
489871991412,2cyclictest1086113-21kworker/u16:3+events_unbound11:55:014
48988099139,3cyclictest1278-21snmpd12:20:177
48988099139,3cyclictest1278-21snmpd09:53:347
48988099139,3cyclictest1278-21snmpd08:56:417
48988099139,3cyclictest1278-21snmpd07:38:067
48988099138,4cyclictest815430-21cat09:44:547
489880991313,0cyclictest0-21swapper/711:57:467
489880991313,0cyclictest0-21swapper/711:57:467
489880991311,1cyclictest0-21swapper/711:15:017
48988099130,2cyclictest1219562-21ssh12:26:107
489877991312,1cyclictest0-21swapper/612:03:526
489877991312,1cyclictest0-21swapper/612:03:526
489877991312,1cyclictest0-21swapper/611:10:256
489877991312,1cyclictest0-21swapper/610:29:546
489877991312,1cyclictest0-21swapper/609:54:076
489877991312,1cyclictest0-21swapper/609:27:006
489877991312,1cyclictest0-21swapper/609:13:366
489877991312,1cyclictest0-21swapper/608:14:386
489877991312,1cyclictest0-21swapper/607:30:046
48987799130,13cyclictest0-21swapper/609:19:356
48987799130,13cyclictest0-21swapper/608:05:116
48987799130,13cyclictest0-21swapper/607:15:126
48987799130,0cyclictest0-21swapper/611:24:376
489874991311,2cyclictest659723-21kworker/u16:1+events_unbound08:35:065
489871991311,2cyclictest512253-21kworker/u16:5+events_unbound07:21:454
48988099129,2cyclictest1278-21snmpd09:16:397
48988099129,2cyclictest0-21swapper/711:49:397
48988099128,3cyclictest1278-21snmpd11:38:487
48988099128,3cyclictest1278-21snmpd11:07:037
48988099128,3cyclictest1278-21snmpd10:54:597
48988099128,3cyclictest1278-21snmpd10:24:497
48988099128,3cyclictest1278-21snmpd08:46:267
48988099128,3cyclictest1278-21snmpd08:43:507
48988099128,3cyclictest1278-21snmpd08:34:287
48988099128,3cyclictest1278-21snmpd08:01:107
48988099128,3cyclictest1278-21snmpd07:12:507
48988099124,7cyclictest6341-21gvfs-afc-volume10:35:047
489880991212,0cyclictest0-21swapper/710:01:257
489880991211,0cyclictest0-21swapper/707:54:597
489880991211,0cyclictest0-21swapper/707:54:597
48988099120,2cyclictest812523-21ssh09:41:497
48988099120,11cyclictest1278-21snmpd11:42:197
48988099120,10cyclictest727471-21turbostat09:09:397
48987799128,3cyclictest660502-21cat08:34:556
489877991211,1cyclictest0-21swapper/611:40:236
489877991211,1cyclictest0-21swapper/609:43:336
48987799120,3cyclictest953991-21cut10:39:566
489874991210,2cyclictest571898-21kworker/u16:4+events_unbound08:29:495
489874991210,2cyclictest489762-21kworker/u16:0+flush-8:007:09:505
489871991210,2cyclictest512253-21kworker/u16:5+flush-8:007:34:344
48988099118,2cyclictest1278-21snmpd08:14:047
48988099117,3cyclictest500164-21sensors07:14:417
48988099117,3cyclictest1278-21snmpd09:11:177
48988099117,3cyclictest1278-21snmpd08:19:497
48988099117,3cyclictest1278-21snmpd07:51:247
48988099117,3cyclictest1278-21snmpd07:51:247
48988099117,3cyclictest1278-21snmpd07:26:187
48988099116,4cyclictest6341-21gvfs-afc-volume10:59:477
48988099115,5cyclictest6341-21gvfs-afc-volume11:09:527
48988099115,4cyclictest1163820-21rm12:04:577
489880991110,0cyclictest0-21swapper/708:25:247
48988099110,1cyclictest1133013-21ssh11:50:427
48987799117,3cyclictest901840-21cat10:19:546
489877991110,1cyclictest0-21swapper/609:21:016
489877991110,1cyclictest0-21swapper/609:01:186
489877991110,1cyclictest0-21swapper/608:19:226
48987799110,3cyclictest880372-21cut10:09:586
48987799110,3cyclictest565587-21kthreadcore07:44:596
48987799110,3cyclictest1162295-21kthreadcore12:04:566
48987499119,2cyclictest552638-21kworker/u16:0+events_unbound07:49:355
48987499110,11cyclictest0-21swapper/507:23:385
48987199119,2cyclictest708038-21kworker/u16:0+events_unbound08:59:494
48987199119,2cyclictest659723-21kworker/u16:1+flush-8:008:50:494
48987199119,2cyclictest571898-21kworker/u16:4+flush-8:008:40:014
48987199119,2cyclictest512253-21kworker/u16:5+events_unbound07:38:494
48987199110,1cyclictest0-21swapper/407:42:054
48987199110,11cyclictest0-21swapper/409:08:574
48987199110,11cyclictest0-21swapper/408:08:534
48988099109,0cyclictest0-21swapper/708:14:417
48988099108,1cyclictest0-21swapper/712:34:547
48988099107,2cyclictest0-21swapper/712:14:577
48988099107,2cyclictest0-21swapper/711:20:027
48988099106,3cyclictest1278-21snmpd12:01:017
48988099106,3cyclictest1278-21snmpd12:01:017
48988099106,3cyclictest1278-21snmpd07:31:337
48988099105,5cyclictest6341-21gvfs-afc-volume10:40:557
48988099100,9cyclictest1182214-21ssh12:10:277
48987799108,2cyclictest86-21ksoftirqd/611:50:156
48987799108,2cyclictest86-21ksoftirqd/611:27:366
48987799108,2cyclictest86-21ksoftirqd/610:53:576
48987799107,2cyclictest677387-21grep08:40:006
48987799106,3cyclictest1225467-21kthreadcore12:29:576
48987799105,4cyclictest641027-21cat08:24:566
48987799105,4cyclictest1008994-21unixbench-2d11:00:076
48987799104,5cyclictest0-21swapper/609:54:556
48987799104,5cyclictest0-21swapper/609:54:556
48987799100,9cyclictest590209-21ntpq07:55:056
48987799100,9cyclictest590209-21ntpq07:55:056
48987799100,9cyclictest0-21swapper/612:14:566
48987799100,9cyclictest0-21swapper/608:54:516
48987799100,4cyclictest889690-21ps10:14:556
48987799100,4cyclictest1046785-21chrt11:16:176
48987799100,3cyclictest725916-21kthreadcore09:05:016
48987799100,3cyclictest1139541-21cut11:54:586
48987799100,3cyclictest1139541-21cut11:54:586
48987799100,2cyclictest630524-21/usr/sbin/munin08:20:026
48987199108,2cyclictest552638-21kworker/u16:0+flush-8:008:01:004
48987199100,0cyclictest0-21swapper/408:15:124
4898809994,3cyclictest660958-21kthreadcore08:34:587
4898809993,5cyclictest884918-21rm10:10:037
4898779998,1cyclictest0-21swapper/607:51:096
4898779998,1cyclictest0-21swapper/607:51:096
4898779994,4cyclictest1209899-21expr12:24:516
4898779990,8cyclictest527227-21kthreadcore07:24:596
4898779990,8cyclictest490532-21expr07:09:536
4898779990,8cyclictest1173234-21expr12:09:516
4898779986,1cyclictest0-21swapper/608:49:566
4898779983,4cyclictest682175-21grep08:44:586
4898779980,2cyclictest652822-21tr08:29:576
4898749987,1cyclictest0-21swapper/508:44:505
4898719983,4cyclictest613966-21cut08:09:594
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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