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2026-06-03 - 08:13
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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 Wed Jun 03, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31831582980,1sleep73183157-21ssh21:44:127
288064925848,7sleep40-21swapper/419:04:484
288055525039,8sleep50-21swapper/519:03:295
2881070994846,2cyclictest3399056-21kworker/u16:1+events_unbound23:27:134
2881070994139,2cyclictest3305422-21kworker/u16:0+events_unbound22:56:464
28807772413,32sleep70-21swapper/719:06:357
2881070994038,2cyclictest3570612-21kworker/u16:3+flush-8:000:31:454
2881070993836,2cyclictest2992615-21kworker/u16:1+events_unbound22:26:464
2881070993835,2cyclictest3206303-21kworker/u16:2+events_unbound21:55:134
2881070993835,2cyclictest2808535-21kworker/u16:0+events_unbound19:41:464
2881070993735,2cyclictest2904714-21kworker/u16:3+flush-8:021:15:504
2881070993734,2cyclictest3305422-21kworker/u16:0+flush-8:022:56:214
2881070993734,2cyclictest3305422-21kworker/u16:0+flush-8:022:56:214
2881070993734,2cyclictest3305422-21kworker/u16:0+events_unbound23:11:144
2881070993734,2cyclictest3305422-21kworker/u16:0+events_unbound00:26:464
2881070993635,1cyclictest3206303-21kworker/u16:2+events_unbound22:23:504
2881070993634,2cyclictest3305422-21kworker/u16:0+flush-8:023:20:454
2881070993634,2cyclictest3305422-21kworker/u16:0+events_unbound23:56:214
2881070993633,2cyclictest2992615-21kworker/u16:1+events_unbound20:21:464
2881076993533,2cyclictest3329494-21kworker/u16:5+flush-8:023:11:446
2881070993533,2cyclictest3305422-21kworker/u16:0+flush-8:000:09:134
2881070993532,3cyclictest2963716-21kworker/u16:0+flush-8:020:31:444
2881070993433,1cyclictest3206303-21kworker/u16:2+events_unbound22:16:334
2881070993433,1cyclictest3206303-21kworker/u16:2+events_unbound22:16:334
2881070993432,2cyclictest3206303-21kworker/u16:2+flush-8:022:01:344
2881070993432,2cyclictest2904714-21kworker/u16:3+events_unbound23:04:104
2881070993431,2cyclictest2904714-21kworker/u16:3+flush-8:022:17:094
2881070993331,2cyclictest3522088-21kworker/u16:2+events_unbound00:22:264
2881070993331,2cyclictest3329494-21kworker/u16:5+flush-8:023:32:264
2881070993331,2cyclictest3100354-21kworker/u16:0+events_unbound21:44:434
2881070993331,2cyclictest2904714-21kworker/u16:3+events_unbound21:36:414
2881070993331,2cyclictest2904714-21kworker/u16:3+events_unbound21:36:414
2881070993331,2cyclictest2904714-21kworker/u16:3+events_unbound21:29:034
2881070993330,2cyclictest3522088-21kworker/u16:2+events_unbound00:11:534
2881070993330,2cyclictest2904714-21kworker/u16:3+events_unbound21:16:454
2881076993230,2cyclictest2904714-21kworker/u16:3+events_unbound22:32:056
2881070993230,2cyclictest3522088-21kworker/u16:2+flush-8:000:18:264
2881070993230,2cyclictest3399056-21kworker/u16:1+flush-8:023:36:534
2881070993230,2cyclictest3329494-21kworker/u16:5+events_unbound00:06:424
2881070993230,2cyclictest3305422-21kworker/u16:0+flush-8:023:58:184
2881070993230,2cyclictest2992615-21kworker/u16:1+flush-8:022:10:264
2881070993230,2cyclictest2992615-21kworker/u16:1+events_unbound21:37:354
2881070993230,2cyclictest2904714-21kworker/u16:3+events_unbound22:38:304
2881076993129,2cyclictest3305422-21kworker/u16:0+events_unbound23:42:016
2881073993128,2cyclictest3305422-21kworker/u16:0+flush-8:023:56:495
2881070993129,2cyclictest3206303-21kworker/u16:2+events_unbound22:02:584
2881070993028,2cyclictest3399056-21kworker/u16:1+events_unbound23:46:054
2881070993028,2cyclictest3329494-21kworker/u16:5+events_unbound23:48:064
2881070993028,2cyclictest3329494-21kworker/u16:5+events_unbound22:48:424
2881070993028,2cyclictest2992615-21kworker/u16:1+flush-8:021:10:434
2881070993027,2cyclictest2992615-21kworker/u16:1+events_unbound22:45:144
2881078992922,6cyclictest635-21systemd-journal22:46:437
2881076992725,2cyclictest2904714-21kworker/u16:3+flush-8:019:26:556
2881070992725,2cyclictest3329494-21kworker/u16:5+events_unbound23:14:414
2881070992725,2cyclictest3100354-21kworker/u16:0+events_unbound21:49:504
2881070992725,2cyclictest2904714-21kworker/u16:3+flush-8:022:33:494
288078822717,7sleep60-21swapper/619:06:436
2881070992624,2cyclictest3305422-21kworker/u16:0+events_unbound23:23:584
2881070992624,2cyclictest3100354-21kworker/u16:0+flush-8:021:21:534
2881070992624,2cyclictest2880826-21kworker/u16:1+flush-8:019:17:544
2881076992523,2cyclictest2992615-21kworker/u16:1+flush-8:020:22:046
2881076992522,3cyclictest3305422-21kworker/u16:0+flush-8:023:32:016
288107899241,21cyclictest0-21swapper/721:22:087
2881076992422,2cyclictest2992615-21kworker/u16:1+flush-8:021:31:506
2881076992422,2cyclictest2992615-21kworker/u16:1+flush-8:021:31:506
2881070992422,2cyclictest2904714-21kworker/u16:3+flush-8:020:47:014
2881070992422,2cyclictest2904714-21kworker/u16:3+events_unbound20:12:544
2881070992422,2cyclictest2808535-21kworker/u16:0+events_unbound19:14:544
2881070992421,2cyclictest2880826-21kworker/u16:1+events_unbound19:06:474
2881078992316,5cyclictest635-21systemd-journal19:41:447
2881076992321,2cyclictest3305422-21kworker/u16:0+events_unbound22:56:566
2881076992321,2cyclictest3305422-21kworker/u16:0+events_unbound00:12:106
2881076992321,2cyclictest2963716-21kworker/u16:0+events_unbound20:27:106
2881076992320,2cyclictest3305422-21kworker/u16:0+flush-8:023:57:096
2881070992321,2cyclictest2925348-21kworker/u16:2+events_unbound20:04:554
2881070992320,2cyclictest2925348-21kworker/u16:2+flush-8:019:57:134
2881076992119,2cyclictest3522088-21kworker/u16:2+flush-8:000:22:066
2881076992119,2cyclictest2925348-21kworker/u16:2+events_unbound19:46:576
2881070992119,2cyclictest2880826-21kworker/u16:1+events_unbound19:27:144
288107899205,6cyclictest6101-21gmain20:06:577
288107899205,6cyclictest6101-21gmain20:06:577
2881076992018,2cyclictest2808535-21kworker/u16:0+flush-8:019:42:086
2881076992018,2cyclictest2808535-21kworker/u16:0+flush-8:019:07:106
2881070992018,2cyclictest2904714-21kworker/u16:3+events_unbound19:47:554
2881076991917,2cyclictest2880826-21kworker/u16:1+flush-8:019:16:446
2881070991917,2cyclictest2992615-21kworker/u16:1+events_unbound21:03:144
2881078991816,1cyclictest3497848-21basename23:56:447
288107899180,17cyclictest0-21swapper/721:47:097
288107899180,16cyclictest1234-21snmpd22:20:567
2881076991816,2cyclictest3329494-21kworker/u16:5+flush-8:023:46:506
2881073991816,2cyclictest2992615-21kworker/u16:1+flush-8:021:57:025
2881070991816,2cyclictest2992615-21kworker/u16:1+events_unbound20:33:144
2881070991816,2cyclictest2880826-21kworker/u16:1+events_unbound19:40:184
2881076991715,2cyclictest2925348-21kworker/u16:2+events_unbound20:02:016
2881078991613,2cyclictest0-21swapper/723:21:457
2881078991612,3cyclictest1234-21snmpd20:16:177
2881076991614,2cyclictest2992615-21kworker/u16:1+flush-8:022:11:596
2881076991614,2cyclictest2992615-21kworker/u16:1+flush-8:022:11:596
2881076991614,2cyclictest2808535-21kworker/u16:0+events_unbound19:37:066
2881070991614,2cyclictest3069554-21kworker/u16:2+events_unbound20:59:544
2881070991614,2cyclictest2904714-21kworker/u16:3+events_unbound20:51:594
288107899159,5cyclictest3232715-21latency_hist22:06:447
2881078991513,1cyclictest0-21swapper/700:32:017
2881078991511,3cyclictest1234-21snmpd19:09:457
288107899150,2cyclictest0-21swapper/721:12:097
288107899150,1cyclictest0-21swapper/700:02:177
288107899150,13cyclictest1234-21snmpd23:00:457
2881076991513,2cyclictest2904714-21kworker/u16:3+flush-8:019:52:166
2881076991513,2cyclictest2904714-21kworker/u16:3+events_unbound21:42:036
2881076991512,3cyclictest2992615-21kworker/u16:1+flush-8:021:12:106
2881073991512,2cyclictest2904714-21kworker/u16:3+events_unbound22:01:595
288107899149,4cyclictest6382-21gvfs-afc-volume23:11:587
288107899147,6cyclictest6514-21gmain19:52:097
288107899146,7cyclictest6032-21gmain00:31:167
288107899142,11cyclictest0-21swapper/722:37:067
2881078991412,1cyclictest0-21swapper/723:37:097
2881078991411,2cyclictest0-21swapper/719:26:457
2881076991413,1cyclictest0-21swapper/623:53:236
2881076991413,1cyclictest0-21swapper/623:19:486
2881076991413,1cyclictest0-21swapper/622:40:146
2881076991412,2cyclictest3522088-21kworker/u16:2+events_unbound00:27:076
2881076991412,2cyclictest3522088-21kworker/u16:2+events_unbound00:17:136
2881076991412,2cyclictest2992615-21kworker/u16:1+flush-8:022:22:046
2881076991412,2cyclictest2904714-21kworker/u16:3+flush-8:021:56:556
2881076991412,2cyclictest2904714-21kworker/u16:3+flush-8:021:37:106
2881076991411,2cyclictest3050166-21kworker/u16:0+flush-8:020:47:096
288107699140,14cyclictest0-21swapper/623:26:446
288107699140,14cyclictest0-21swapper/623:12:336
2881073991413,1cyclictest0-21swapper/523:03:025
2881073991413,1cyclictest0-21swapper/522:49:575
2881073991413,1cyclictest0-21swapper/521:31:265
2881073991413,1cyclictest0-21swapper/500:11:185
288107399140,1cyclictest0-21swapper/523:31:435
288107399140,1cyclictest0-21swapper/521:47:025
288107399140,1cyclictest0-21swapper/520:22:135
288107399140,14cyclictest0-21swapper/523:10:455
288107399140,14cyclictest0-21swapper/521:26:235
288107399140,14cyclictest0-21swapper/500:21:045
2881070991412,2cyclictest2925348-21kworker/u16:2+events_unbound20:10:264
2881070991412,2cyclictest2925348-21kworker/u16:2+events_unbound20:10:264
288107899139,3cyclictest124-21kswapd023:26:587
288107899139,3cyclictest1234-21snmpd20:42:337
288107899139,3cyclictest1234-21snmpd19:15:587
288107899136,6cyclictest6382-21gvfs-afc-volume20:17:117
2881078991310,2cyclictest1234-21snmpd20:29:207
2881076991312,1cyclictest0-21swapper/623:05:376
2881076991312,1cyclictest0-21swapper/622:46:226
2881076991312,1cyclictest0-21swapper/622:28:056
2881076991312,1cyclictest0-21swapper/622:11:226
2881076991312,1cyclictest0-21swapper/622:06:016
2881076991312,1cyclictest0-21swapper/621:53:436
2881076991312,1cyclictest0-21swapper/621:24:236
2881076991312,1cyclictest0-21swapper/600:03:096
2881076991311,2cyclictest3069554-21kworker/u16:2+events_unbound20:57:086
2881076991311,2cyclictest2963716-21kworker/u16:0+events_unbound20:17:046
2881073991312,1cyclictest0-21swapper/523:41:395
2881073991312,1cyclictest0-21swapper/523:17:415
2881073991312,1cyclictest0-21swapper/522:37:485
2881073991312,1cyclictest0-21swapper/522:14:195
2881073991312,1cyclictest0-21swapper/522:14:195
2881073991312,1cyclictest0-21swapper/521:42:005
2881073991312,1cyclictest0-21swapper/521:06:595
2881073991312,1cyclictest0-21swapper/500:29:075
288107399130,1cyclictest0-21swapper/519:55:535
288107399130,13cyclictest0-21swapper/520:02:125
2881070991311,2cyclictest2904714-21kworker/u16:3+events_unbound20:16:494
288107899129,2cyclictest1234-21snmpd23:11:397
288107899129,2cyclictest1234-21snmpd22:15:387
288107899129,2cyclictest1234-21snmpd22:15:387
288107899129,2cyclictest0-21swapper/721:52:097
288107899129,2cyclictest0-21swapper/721:37:077
288107899128,3cyclictest1234-21snmpd23:43:007
288107899128,3cyclictest1234-21snmpd22:34:057
288107899128,3cyclictest1234-21snmpd21:36:377
288107899128,3cyclictest1234-21snmpd21:36:377
288107899128,3cyclictest1234-21snmpd21:30:527
288107899128,3cyclictest1234-21snmpd21:20:037
288107899128,3cyclictest1234-21snmpd20:49:247
288107899128,3cyclictest1234-21snmpd20:35:207
288107899128,3cyclictest1234-21snmpd19:58:597
288107899128,3cyclictest1234-21snmpd00:19:437
288107899127,4cyclictest3220501-21diskmemload22:01:287
288107899126,5cyclictest6382-21gvfs-afc-volume22:56:027
288107899126,5cyclictest6382-21gvfs-afc-volume22:56:027
288107899126,5cyclictest6382-21gvfs-afc-volume21:11:267
288107899126,5cyclictest6382-21gvfs-afc-volume00:22:557
288107899123,7cyclictest6382-21gvfs-afc-volume20:37:027
288107699128,3cyclictest2974423-21cat20:06:596
288107699128,3cyclictest2974423-21cat20:06:596
2881076991211,1cyclictest0-21swapper/621:29:176
288107699120,12cyclictest0-21swapper/619:32:276
288107399129,2cyclictest3199456-21kthreadcore21:52:015
288107399128,3cyclictest3535332-21cat00:12:015
2881073991211,1cyclictest0-21swapper/523:51:355
2881073991211,1cyclictest0-21swapper/523:24:475
2881073991211,1cyclictest0-21swapper/522:25:405
2881073991211,1cyclictest0-21swapper/522:08:485
2881073991211,1cyclictest0-21swapper/521:21:305
2881073991211,1cyclictest0-21swapper/520:44:555
2881073991211,1cyclictest0-21swapper/519:32:055
288107099129,2cyclictest2808535-21kworker/u16:0+events_unbound19:36:184
288107899118,2cyclictest1234-21snmpd23:58:167
288107899118,2cyclictest1234-21snmpd22:29:327
288107899118,2cyclictest1234-21snmpd21:02:457
288107899118,2cyclictest1234-21snmpd20:59:097
288107899118,2cyclictest1234-21snmpd20:03:327
288107899117,3cyclictest1234-21snmpd23:05:367
288107899117,3cyclictest1234-21snmpd22:50:397
288107899117,3cyclictest1234-21snmpd19:34:587
288107899117,3cyclictest1234-21snmpd00:16:047
288107899117,3cyclictest0-21swapper/720:51:447
288107899115,5cyclictest6032-21gmain20:22:097
288107899110,10cyclictest1234-21snmpd23:17:397
288107699119,2cyclictest3031148-21kworker/u16:2+events_unbound20:37:106
288107699119,2cyclictest2992615-21kworker/u16:1+flush-8:020:42:106
288107699118,2cyclictest3399056-21kworker/u16:1+flush-8:023:27:146
288107699118,2cyclictest1011-21lldpd00:06:566
2881076991110,1cyclictest0-21swapper/621:05:286
2881076991110,1cyclictest0-21swapper/620:15:396
288107699110,11cyclictest0-21swapper/620:55:046
2881073991110,1cyclictest0-21swapper/520:38:565
2881073991110,1cyclictest0-21swapper/520:09:085
2881073991110,1cyclictest0-21swapper/520:09:085
2881073991110,1cyclictest0-21swapper/519:12:135
288107399110,11cyclictest0-21swapper/519:49:255
288107099119,2cyclictest3031148-21kworker/u16:2+flush-8:020:44:464
288107099110,0cyclictest0-21swapper/419:55:534
288107899107,2cyclictest1234-21snmpd23:50:227
288107899107,2cyclictest1234-21snmpd22:22:207
288107899107,2cyclictest1234-21snmpd19:17:437
288107899107,2cyclictest1234-21snmpd00:09:437
288107899107,2cyclictest0-21swapper/723:32:087
288107899107,2cyclictest0-21swapper/722:07:087
288107899100,9cyclictest1234-21snmpd19:22:107
288107899100,9cyclictest1234-21snmpd19:22:107
288107899100,8cyclictest1234-21snmpd19:47:497
288107699109,1cyclictest0-21swapper/622:52:036
288107699109,1cyclictest0-21swapper/622:52:036
288107699109,1cyclictest0-21swapper/619:22:036
288107699109,1cyclictest0-21swapper/619:22:036
288107699108,2cyclictest3329494-21kworker/u16:5+events_unbound23:36:566
288107699106,3cyclictest3330402-21cat22:46:596
288107699102,7cyclictest3187678-21cat21:47:036
288107699100,9cyclictest3257313-21cpuspeed22:16:576
288107699100,9cyclictest3121380-21open_files21:17:106
288107699100,9cyclictest0-21swapper/600:31:596
288107699100,3cyclictest2958388-21kthreadcore19:57:036
288107399109,1cyclictest0-21swapper/522:55:475
288107399109,1cyclictest0-21swapper/522:55:475
288107399109,1cyclictest0-21swapper/522:43:485
288107399109,1cyclictest0-21swapper/522:19:405
288107399109,1cyclictest0-21swapper/521:36:385
288107399109,1cyclictest0-21swapper/521:36:385
288107399109,1cyclictest0-21swapper/520:51:045
288107399109,1cyclictest0-21swapper/520:16:325
288107099108,2cyclictest2904714-21kworker/u16:3+flush-8:019:26:444
288107099108,2cyclictest2904714-21kworker/u16:3+flush-8:019:26:444
2910569290,1sleep50-21swapper/519:27:005
28810789994,4cyclictest2925695-21seq19:41:537
28810769997,1cyclictest0-21swapper/621:10:576
28810769990,2cyclictest3022043-21cstates20:31:576
28810739998,1cyclictest0-21swapper/520:56:355
28810739998,1cyclictest0-21swapper/500:36:415
28810739996,2cyclictest3438517-21diskstats23:31:565
28810739994,4cyclictest3487102-21cat23:51:595
28810769984,3cyclictest2896195-21if_err_p4p119:16:556
28810739987,1cyclictest3295796-21kthreadcore22:32:015
28810739987,1cyclictest0-21swapper/521:16:375
28810739986,1cyclictest0-21swapper/522:26:565
28810739985,2cyclictest0-21swapper/522:57:035
28810739984,3cyclictest3012745-21gltestperf20:27:005
28810739983,4cyclictest3517634-21grep00:02:095
28810739983,4cyclictest3082010-21cut21:02:035
28810739983,4cyclictest3070934-21tr20:57:025
28810739983,4cyclictest2883139-21grep19:07:015
28810739980,7cyclictest0-21swapper/519:36:535
28810709980,7cyclictest0-21swapper/420:36:584
28810739975,1cyclictest0-21swapper/523:42:005
28810739975,1cyclictest0-21swapper/523:11:545
28810739975,1cyclictest0-21swapper/521:37:025
28810739975,1cyclictest0-21swapper/519:42:025
28810739974,2cyclictest2997148-21kthreadcore20:17:035
28810739973,3cyclictest3559439-21sed00:21:595
28810739973,3cyclictest2954594-21cpuspeed_turbos19:56:575
28810739973,3cyclictest2896679-21cut19:16:575
28810739972,4cyclictest3024675-21kthreadcore20:32:035
28810739950,4cyclictest2905038-21chrt19:21:475
28810739950,4cyclictest2905038-21chrt19:21:475
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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