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2025-12-29 - 18:19
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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 Mon Dec 29, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2059552700,1sleep60-21swapper/609:44:126
407918225847,7sleep60-21swapper/607:03:556
407918225847,7sleep60-21swapper/607:03:556
408838225746,8sleep40-21swapper/407:08:104
408838225746,8sleep40-21swapper/407:08:104
40882642493,31sleep70-21swapper/707:06:297
40882642493,31sleep70-21swapper/707:06:297
4088734994739,7cyclictest34425-21latency_hist08:18:527
4088727994745,2cyclictest44497-21kworker/u16:0+events_unbound09:04:075
408834624232,7sleep50-21swapper/507:07:395
408834624232,7sleep50-21swapper/507:07:395
4088732993430,3cyclictest460214-21kworker/u16:4+events_unbound12:34:066
4088727993432,2cyclictest4189263-21kworker/u16:3+events_unbound08:14:175
4088727993230,2cyclictest44497-21kworker/u16:0+flush-8:009:19:175
4088727993129,2cyclictest4160504-21kworker/u16:0+events_unbound07:58:475
4088732992927,2cyclictest325064-21kworker/u16:3+flush-8:010:54:086
4088727992927,2cyclictest460214-21kworker/u16:4+events_unbound12:28:465
4088734992721,5cyclictest4160117-21latency_hist07:43:527
4088734992620,5cyclictest4169781-21latency_hist07:48:527
4088727992624,2cyclictest258065-21kworker/u16:4+events_unbound10:29:205
4088727992624,2cyclictest258065-21kworker/u16:4+events_unbound10:24:055
4088724992624,2cyclictest421918-21kworker/u16:1+flush-8:011:58:474
4088727992321,2cyclictest92878-21kworker/u16:1+events_unbound09:42:225
4088727992321,2cyclictest44497-21kworker/u16:0+events_unbound08:59:065
4088727992321,2cyclictest4088934-21kworker/u16:4+events_unbound07:19:225
4088727992321,2cyclictest363739-21kworker/u16:4+events_unbound11:14:055
4088727992321,2cyclictest353727-21kworker/u16:0+events_unbound11:04:055
4088734992220,1cyclictest0-21swapper/710:34:097
4088727992220,2cyclictest44497-21kworker/u16:0+events_unbound08:44:175
408873499210,19cyclictest650-21systemd-journal07:33:527
408873499210,19cyclictest650-21systemd-journal07:33:527
4088727992119,2cyclictest44497-21kworker/u16:0+flush-8:008:49:185
4088727992119,2cyclictest4088934-21kworker/u16:4+events_unbound07:29:105
4088727992119,2cyclictest4088934-21kworker/u16:4+events_unbound07:29:105
4088727992119,2cyclictest392583-21kworker/u16:0+events_unbound11:50:025
4088727992119,2cyclictest237612-21kworker/u16:1+events_unbound10:49:205
4088727992018,2cyclictest4160504-21kworker/u16:0+events_unbound08:01:025
4088727992018,2cyclictest3821745-21kworker/u16:1+events_unbound08:04:215
4088727992018,2cyclictest3821745-21kworker/u16:1+events_unbound07:38:025
4088727992017,2cyclictest460214-21kworker/u16:4+events_unbound12:19:025
4088734991915,3cyclictest1267-21snmpd10:15:047
4088727991917,2cyclictest4189263-21kworker/u16:3+events_unbound08:09:245
4088727991917,2cyclictest110905-21kworker/u16:2+events_unbound09:18:025
4088727991916,2cyclictest4189264-21kworker/u16:4+events_unbound08:23:545
4088724991917,2cyclictest44497-21kworker/u16:0+flush-8:008:44:064
4088724991917,2cyclictest4189263-21kworker/u16:3+events_unbound08:09:104
4088734991816,1cyclictest421560-21idleruntime-cro11:38:517
408873499180,2cyclictest285002-21ntpq10:24:167
408873499180,16cyclictest189252-21latency_hist09:38:517
4088727991816,2cyclictest237612-21kworker/u16:1+events_unbound10:08:585
4088727991816,2cyclictest199323-21kworker/u16:3+events_unbound10:15:025
4088734991713,3cyclictest1267-21snmpd11:20:207
408873499170,1cyclictest0-21swapper/712:34:207
408873499170,16cyclictest1267-21snmpd11:24:187
408873499170,11cyclictest0-21swapper/711:39:107
4088727991715,2cyclictest460214-21kworker/u16:4+events_unbound12:38:095
4088727991715,2cyclictest392583-21kworker/u16:0+events_unbound11:44:205
4088727991715,2cyclictest110905-21kworker/u16:2+events_unbound10:02:025
4088724991715,2cyclictest110905-21kworker/u16:2+flush-8:009:44:074
4088734991613,2cyclictest1267-21snmpd12:19:217
4088734991612,3cyclictest650-21systemd-journal09:13:467
4088727991614,2cyclictest392583-21kworker/u16:0+events_unbound11:57:365
4088727991614,2cyclictest3821745-21kworker/u16:1+events_unbound07:28:025
4088727991614,2cyclictest325064-21kworker/u16:3+events_unbound11:40:025
4088727991614,2cyclictest325064-21kworker/u16:3+events_unbound10:54:195
4088727991614,2cyclictest315248-21kworker/u16:2+events_unbound11:03:475
4088727991614,2cyclictest110905-21kworker/u16:2+events_unbound09:35:335
4088727991613,2cyclictest4189264-21kworker/u16:4+events_unbound08:18:535
408872799160,15cyclictest371682-21kthreadcore11:09:125
4088724991614,2cyclictest4088934-21kworker/u16:4+events_unbound07:14:064
4088724991613,2cyclictest44497-21kworker/u16:0+flush-8:010:24:104
408872499160,15cyclictest4090376-21cut07:09:094
4088734991511,3cyclictest14139-21sshd-session08:04:177
4088734991510,4cyclictest650-21systemd-journal10:03:467
4088732991513,2cyclictest325064-21kworker/u16:3+events_unbound10:59:086
408873299150,14cyclictest0-21swapper/612:14:096
408873299150,14cyclictest0-21swapper/612:14:096
4088727991513,2cyclictest44497-21kworker/u16:0+events_unbound09:55:295
4088727991513,2cyclictest44497-21kworker/u16:0+events_unbound08:39:165
4088727991513,2cyclictest4088934-21kworker/u16:4+events_unbound07:09:425
4088727991513,2cyclictest325064-21kworker/u16:3+events_unbound11:37:365
4088727991513,2cyclictest258065-21kworker/u16:4+events_unbound10:22:295
4088727991513,2cyclictest237612-21kworker/u16:1+events_unbound10:08:505
4088727991512,2cyclictest82844-21kworker/u16:4+events_unbound08:53:525
4088727991512,2cyclictest133330-21cut09:09:095
4088727991510,2cyclictest67752-21grep08:34:115
4088724991512,2cyclictest62455-21kworker/u16:1+flush-8:008:39:094
408873499148,5cyclictest6184-21gvfs-afc-volume09:49:167
408873499148,5cyclictest315017-21latency_hist10:43:517
408873499148,5cyclictest315017-21latency_hist10:43:517
408873499148,5cyclictest102186-21latency_hist08:53:517
408873499140,12cyclictest250363-21cat10:09:107
408873499140,12cyclictest121532-21latency_hist09:03:527
4088732991412,2cyclictest237612-21kworker/u16:1+flush-8:010:39:226
4088732991412,2cyclictest237612-21kworker/u16:1+flush-8:010:39:226
4088732991411,2cyclictest44497-21kworker/u16:0+flush-8:009:39:106
4088727991412,2cyclictest92878-21kworker/u16:1+events_unbound09:30:385
4088727991412,2cyclictest509047-21kworker/u16:3+events_unbound12:29:415
4088727991412,2cyclictest460214-21kworker/u16:4+events_unbound12:15:095
4088727991412,2cyclictest460214-21kworker/u16:4+events_unbound12:15:095
4088727991412,2cyclictest44497-21kworker/u16:0+events_unbound10:47:185
4088727991412,2cyclictest44497-21kworker/u16:0+events_unbound09:53:015
4088727991412,2cyclictest4189264-21kworker/u16:4+events_unbound08:31:025
4088727991412,2cyclictest4088934-21kworker/u16:4+events_unbound07:18:025
4088727991412,2cyclictest315248-21kworker/u16:2+events_unbound11:22:135
4088727991412,2cyclictest237612-21kworker/u16:1+events_unbound10:43:025
4088727991412,2cyclictest237612-21kworker/u16:1+events_unbound10:43:025
4088727991412,2cyclictest199323-21kworker/u16:3+events_unbound09:48:135
4088727991411,2cyclictest392583-21kworker/u16:0+events_unbound11:28:545
408873499139,3cyclictest1267-21snmpd12:31:287
408873499139,3cyclictest1267-21snmpd09:05:267
408873499139,3cyclictest1267-21snmpd08:12:377
408873499139,3cyclictest1267-21snmpd07:21:397
408873499138,4cyclictest275806-21sed10:19:187
408873499138,4cyclictest1267-21snmpd07:12:297
408873499136,6cyclictest5944-21gmain08:34:057
408873499135,7cyclictest0-21swapper/711:01:227
408873499130,11cyclictest1267-21snmpd10:52:327
408873499130,11cyclictest0-21swapper/708:24:167
4088732991312,1cyclictest0-21swapper/608:04:066
4088727991311,2cyclictest460214-21kworker/u16:4+events_unbound12:03:245
4088727991311,2cyclictest421918-21kworker/u16:1+events_unbound12:04:015
4088727991311,2cyclictest392583-21kworker/u16:0+events_unbound12:11:265
4088727991311,2cyclictest3821745-21kworker/u16:1+events_unbound07:52:065
4088727991311,2cyclictest3821745-21kworker/u16:1+events_unbound07:40:345
4088727991311,2cyclictest237612-21kworker/u16:1+events_unbound10:34:545
4088727991310,2cyclictest4088934-21kworker/u16:4+events_unbound07:43:565
4088724991312,1cyclictest0-21swapper/407:29:204
4088724991312,1cyclictest0-21swapper/407:29:204
408873499129,2cyclictest1267-21snmpd11:57:157
408873499129,2cyclictest1267-21snmpd11:28:547
408873499129,2cyclictest1267-21snmpd09:41:037
408873499129,2cyclictest1267-21snmpd09:24:037
408873499129,2cyclictest1267-21snmpd08:54:387
408873499129,2cyclictest0-21swapper/711:18:517
408873499129,2cyclictest0-21swapper/707:59:077
408873499128,3cyclictest1267-21snmpd12:28:017
408873499128,3cyclictest1267-21snmpd12:10:337
408873499128,3cyclictest1267-21snmpd11:48:187
408873499128,3cyclictest1267-21snmpd11:12:507
408873499128,3cyclictest1267-21snmpd10:55:177
408873499128,3cyclictest1267-21snmpd10:45:327
408873499128,3cyclictest1267-21snmpd09:56:017
408873499128,3cyclictest1267-21snmpd09:14:487
408873499128,3cyclictest1267-21snmpd08:44:087
408873499128,3cyclictest1267-21snmpd07:24:007
408873499128,3cyclictest1267-21snmpd07:16:157
408873299127,4cyclictest403342-21cat11:29:076
4088732991211,1cyclictest0-21swapper/611:18:396
4088732991211,1cyclictest0-21swapper/608:39:166
4088732991211,1cyclictest0-21swapper/607:19:206
408873299120,12cyclictest0-21swapper/608:45:346
408872799129,2cyclictest401228-21ntpq11:24:165
4088727991210,1cyclictest162552-21kthreadcore09:24:085
408872499128,3cyclictest4140793-21kworker/u16:2+flush-8:007:34:184
408872499127,4cyclictest480871-21cat12:09:074
4088724991211,1cyclictest0-21swapper/412:29:114
4088724991210,1cyclictest0-21swapper/408:04:104
408872499120,1cyclictest0-21swapper/412:18:474
408872499120,1cyclictest0-21swapper/412:18:474
408872499120,1cyclictest0-21swapper/411:23:464
408872499120,1cyclictest0-21swapper/410:31:164
408872499120,1cyclictest0-21swapper/410:19:264
408872499120,1cyclictest0-21swapper/407:22:434
408873499118,3cyclictest6053-21gmain10:29:207
408873499118,2cyclictest924-21NetworkManager08:19:087
408873499118,2cyclictest1267-21snmpd07:49:037
408873499117,3cyclictest5777-21gmain10:04:127
408873499117,3cyclictest5756-21JS21:50:157
408873499117,3cyclictest1267-21snmpd12:03:577
408873499117,3cyclictest1267-21snmpd07:56:107
408873499116,4cyclictest363165-21sshd-session11:06:227
408873499116,4cyclictest1096-21ntpd11:59:177
408873499110,3cyclictest489765-21/usr/sbin/munin12:14:217
408873499110,3cyclictest489765-21/usr/sbin/munin12:14:217
408873499110,2cyclictest151000-21/usr/sbin/munin09:19:157
408873499110,10cyclictest1267-21snmpd11:51:067
408873499110,10cyclictest1267-21snmpd08:33:177
4088732991110,1cyclictest0-21swapper/612:21:056
4088732991110,1cyclictest0-21swapper/612:10:406
4088732991110,1cyclictest0-21swapper/611:26:416
4088732991110,1cyclictest0-21swapper/611:05:536
4088732991110,1cyclictest0-21swapper/610:07:056
4088732991110,1cyclictest0-21swapper/609:59:026
4088732991110,1cyclictest0-21swapper/609:51:196
4088732991110,1cyclictest0-21swapper/609:27:116
4088732991110,1cyclictest0-21swapper/609:09:136
4088732991110,1cyclictest0-21swapper/607:16:016
408873299110,1cyclictest0-21swapper/611:41:316
408873299110,11cyclictest0-21swapper/612:31:396
408873299110,11cyclictest0-21swapper/611:45:086
408873299110,11cyclictest0-21swapper/611:22:456
408873299110,11cyclictest0-21swapper/609:23:246
408873299110,11cyclictest0-21swapper/609:16:196
408873299110,11cyclictest0-21swapper/609:02:266
408873299110,11cyclictest0-21swapper/608:36:166
408873299110,11cyclictest0-21swapper/608:10:256
408873299110,11cyclictest0-21swapper/607:39:596
408873299110,0cyclictest0-21swapper/612:24:336
408872499116,4cyclictest461407-21cat11:59:084
408872499116,4cyclictest258100-21cat10:14:084
4088724991110,1cyclictest0-21swapper/411:46:094
4088724991110,1cyclictest0-21swapper/410:48:554
408872499110,11cyclictest0-21swapper/412:22:154
408872499110,11cyclictest0-21swapper/412:08:234
408872499110,11cyclictest0-21swapper/411:42:314
408872499110,11cyclictest0-21swapper/411:31:294
408872499110,11cyclictest0-21swapper/411:27:524
408872499110,11cyclictest0-21swapper/409:59:354
408872499110,11cyclictest0-21swapper/409:51:514
408872499110,11cyclictest0-21swapper/409:39:524
408872499110,11cyclictest0-21swapper/409:16:424
408872499110,11cyclictest0-21swapper/407:58:014
408872499110,11cyclictest0-21swapper/407:26:014
408872499110,0cyclictest0-21swapper/409:02:494
408873499107,2cyclictest0-21swapper/709:29:167
408873499106,3cyclictest73507-21/usr/sbin/munin08:39:187
408873499106,3cyclictest1267-21snmpd07:34:397
408873299109,1cyclictest0-21swapper/611:56:206
408873299109,1cyclictest0-21swapper/610:26:376
408873299109,1cyclictest0-21swapper/607:54:206
408873299106,3cyclictest413041-21cat11:34:076
408873299101,1cyclictest0-21swapper/607:34:066
408873299100,10cyclictest0-21swapper/607:29:356
408873299100,10cyclictest0-21swapper/607:29:356
408873299100,0cyclictest0-21swapper/612:00:076
408872499109,1cyclictest0-21swapper/411:02:294
408872499109,1cyclictest0-21swapper/409:55:384
408872499109,1cyclictest0-21swapper/409:35:464
408872499109,1cyclictest0-21swapper/409:09:364
408872499109,1cyclictest0-21swapper/408:23:344
408872499109,1cyclictest0-21swapper/408:16:574
408872499102,5cyclictest369186-21kthreadcore11:09:114
408872499100,0cyclictest0-21swapper/407:39:544
40887329998,1cyclictest0-21swapper/610:52:386
40887329998,1cyclictest0-21swapper/608:55:216
40887329998,1cyclictest0-21swapper/608:23:206
40887329997,1cyclictest0-21swapper/607:09:136
40887329995,3cyclictest4189264-21kworker/u16:4+flush-8:008:29:186
40887329995,3cyclictest122719-21cat09:04:066
40887329994,4cyclictest4123637-21cut07:24:106
40887249998,1cyclictest0-21swapper/411:53:434
40887249998,1cyclictest0-21swapper/411:15:154
40887249998,1cyclictest0-21swapper/411:06:544
40887249998,1cyclictest0-21swapper/410:11:334
40887249998,1cyclictest0-21swapper/409:27:344
40887249998,1cyclictest0-21swapper/408:52:154
40887249998,1cyclictest0-21swapper/408:01:014
40887249997,2cyclictest4160504-21kworker/u16:0+flush-8:007:49:024
40887249996,2cyclictest322637-21kthreadcore10:44:114
40887249996,2cyclictest125523-21kthreadcore09:04:104
40887249995,3cyclictest529255-21cat12:34:064
40887249994,4cyclictest178599-21nfs4_client09:29:154
40887249993,3cyclictest421033-21cat11:34:204
40887329987,1cyclictest0-21swapper/609:55:066
40887329987,1cyclictest0-21swapper/607:50:426
40887329986,1cyclictest0-21swapper/611:09:096
40887329986,1cyclictest0-21swapper/610:44:096
40887329986,1cyclictest0-21swapper/610:14:116
40887329986,1cyclictest0-21swapper/609:29:136
40887329986,1cyclictest0-21swapper/607:44:126
40887329985,2cyclictest0-21swapper/612:04:096
40887329985,2cyclictest0-21swapper/610:09:126
40887329985,2cyclictest0-21swapper/608:49:046
40887329985,2cyclictest0-21swapper/608:24:086
40887329983,4cyclictest4189896-21cat07:59:046
40887329983,4cyclictest296354-21expr10:34:036
40887329983,4cyclictest286421-21cpuspeed10:29:066
40887329983,4cyclictest270130-21cut10:19:086
40887329983,4cyclictest180092-21cat09:34:046
40887249987,1cyclictest0-21swapper/410:58:044
40887249987,1cyclictest0-21swapper/408:30:024
40887249983,4cyclictest516956-21cut12:24:114
40887249983,4cyclictest47541-21grep08:24:114
40887249983,4cyclictest4164478-21grep07:44:114
40887249983,4cyclictest301477-21cut10:34:104
40887249983,4cyclictest241428-21grep10:04:104
40887249983,4cyclictest153262-21grep09:19:094
40887329975,1cyclictest0-21swapper/608:14:076
40887329973,3cyclictest441369-21grep11:49:056
40887249975,1cyclictest0-21swapper/408:54:064
40887249974,2cyclictest63989-21cpuspeed_turbos08:34:054
40887249972,4cyclictest307080-21kthreadcore10:39:104
40887249972,4cyclictest307080-21kthreadcore10:39:104
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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