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2026-08-02 - 19:40
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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 792 highest latencies:
System rack0slot2.osadl.org (updated Sun Aug 02, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34963521030,1sleep7349634-21unixbench_multi11:24:177
395413025846,8sleep40-21swapper/407:03:474
396343825419,30sleep70-21swapper/707:08:407
3963733995149,2cyclictest4074974-21kworker/u16:3+events_unbound08:36:146
396314225141,7sleep50-21swapper/507:04:285
3963727994745,2cyclictest375618-21kworker/u16:0+flush-8:012:24:014
3963727994745,2cyclictest375618-21kworker/u16:0+flush-8:012:24:014
3963733994644,2cyclictest462556-21kworker/u16:3+events_unbound12:14:126
3963733994341,2cyclictest462556-21kworker/u16:3+flush-8:012:29:016
3963727994340,2cyclictest252283-21kworker/u16:3+events_unbound11:13:454
3963733994240,2cyclictest229461-21kworker/u16:4+events_unbound11:59:116
3963727994240,2cyclictest229461-21kworker/u16:4+events_unbound11:33:574
3963727994240,2cyclictest129468-21kworker/u16:3+events_unbound10:23:454
3963727994240,2cyclictest129468-21kworker/u16:3+events_unbound10:23:454
3963733994139,2cyclictest375618-21kworker/u16:0+flush-8:011:43:596
4081652400,0sleep7408167-21cut11:49:097
3963727994038,2cyclictest462556-21kworker/u16:3+events_unbound12:19:134
3963727994037,2cyclictest423433-21kworker/u16:2+events_unbound11:58:594
3963727993937,2cyclictest352223-21kworker/u16:1+events_unbound11:49:174
3963727993937,2cyclictest105690-21kworker/u16:1+events_unbound10:16:064
3963733993836,2cyclictest352223-21kworker/u16:1+events_unbound11:31:016
3963733993835,2cyclictest4074974-21kworker/u16:3+events_unbound08:28:466
3963727993836,2cyclictest423433-21kworker/u16:2+events_unbound12:13:294
3963727993836,2cyclictest352223-21kworker/u16:1+events_unbound11:48:134
3963733993735,2cyclictest423433-21kworker/u16:2+events_unbound11:54:496
3963727993735,2cyclictest510006-21kworker/u16:1+events_unbound12:37:024
3963727993735,2cyclictest375618-21kworker/u16:0+events_unbound12:05:014
3963733993634,2cyclictest8760-21kworker/u16:2+events_unbound11:06:416
3963733993634,2cyclictest8760-21kworker/u16:2+events_unbound10:26:416
3963733993634,2cyclictest8760-21kworker/u16:2+events_unbound10:26:416
3963733993634,2cyclictest229461-21kworker/u16:4+events_unbound12:06:296
3963733993634,2cyclictest105690-21kworker/u16:1+events_unbound09:55:216
3963727993634,2cyclictest8760-21kworker/u16:2+events_unbound10:42:584
3963727993634,2cyclictest8760-21kworker/u16:2+events_unbound09:44:464
3963727993634,2cyclictest8760-21kworker/u16:2+events_unbound09:44:464
3963727993634,2cyclictest510006-21kworker/u16:1+events_unbound12:32:424
3963727993634,2cyclictest105690-21kworker/u16:1+events_unbound10:34:124
3963733993533,2cyclictest8760-21kworker/u16:2+events_unbound09:41:306
3963733993533,2cyclictest8760-21kworker/u16:2+events_unbound09:36:316
3963727993533,2cyclictest8760-21kworker/u16:2+events_unbound10:05:154
3963727993533,2cyclictest4191695-21kworker/u16:0+events_unbound09:20:224
3963727993533,2cyclictest229461-21kworker/u16:4+events_unbound11:33:254
3963727993533,2cyclictest105690-21kworker/u16:1+events_unbound10:31:424
3963727993532,3cyclictest8760-21kworker/u16:2+events_unbound09:25:034
3963738993433,0cyclictest0-21swapper/707:33:597
3963733993432,2cyclictest4191695-21kworker/u16:0+events_unbound09:22:156
3963733993432,2cyclictest3997171-21kworker/u16:0+events_unbound07:53:466
3963733993432,2cyclictest229461-21kworker/u16:4+events_unbound11:27:066
3963727993432,2cyclictest8760-21kworker/u16:2+events_unbound11:07:064
3963727993432,2cyclictest8760-21kworker/u16:2+events_unbound09:58:134
3963727993432,2cyclictest462083-21kworker/u16:1+flush-8:012:18:134
3963727993432,2cyclictest4074974-21kworker/u16:3+events_unbound09:38:214
3963727993432,2cyclictest4074974-21kworker/u16:3+events_unbound09:30:264
3963733993331,2cyclictest8760-21kworker/u16:2+events_unbound10:07:016
3963733993331,2cyclictest8760-21kworker/u16:2+events_unbound09:44:426
3963733993331,2cyclictest8760-21kworker/u16:2+events_unbound09:44:426
3963733993331,2cyclictest229461-21kworker/u16:4+events_unbound11:42:096
3963727993331,2cyclictest4191695-21kworker/u16:0+flush-8:009:49:174
3963727993331,2cyclictest339515-21kworker/u16:0+events_unbound11:25:014
3963727993331,2cyclictest252283-21kworker/u16:3+events_unbound11:09:504
3963727993331,2cyclictest229461-21kworker/u16:4+flush-8:010:51:334
3963727993331,2cyclictest229461-21kworker/u16:4+events_unbound11:21:104
3963727993331,2cyclictest129468-21kworker/u16:3+events_unbound10:21:014
3893562330,1chrt389357-21sh11:43:487
3963738993226,5cyclictest648-21systemd-journal11:33:447
3963733993230,2cyclictest8760-21kworker/u16:2+events_unbound10:56:236
3963733993230,2cyclictest4016393-21kworker/u16:1+events_unbound07:43:466
3963733993230,2cyclictest229461-21kworker/u16:4+flush-8:010:40:056
3963729993230,2cyclictest462556-21kworker/u16:3+flush-8:012:14:125
3963733993129,2cyclictest423433-21kworker/u16:2+events_unbound12:13:156
3963733993129,2cyclictest229461-21kworker/u16:4+events_unbound12:20:496
3963733993129,2cyclictest229461-21kworker/u16:4+events_unbound11:51:386
3963733993129,2cyclictest129468-21kworker/u16:3+events_unbound10:20:106
3963727993129,2cyclictest8760-21kworker/u16:2+events_unbound09:10:184
3963727993129,2cyclictest4065406-21kworker/u16:1+flush-8:008:44:544
3963727993129,2cyclictest252283-21kworker/u16:3+events_unbound10:45:584
3963727993129,2cyclictest105690-21kworker/u16:1+flush-8:010:10:134
3963727993129,2cyclictest105690-21kworker/u16:1+events_unbound09:59:374
3963727993128,2cyclictest8760-21kworker/u16:2+events_unbound10:56:104
3963738993024,5cyclictest3987034-21latency_hist07:18:457
3963733993028,2cyclictest4074974-21kworker/u16:3+events_unbound09:33:306
3963733993028,2cyclictest177828-21kworker/u16:0+events_unbound10:36:196
3963733993028,2cyclictest129468-21kworker/u16:3+flush-8:010:13:186
3963729993028,2cyclictest3973380-21kworker/u16:4+flush-8:008:09:105
396332223020,7sleep60-21swapper/607:07:026
3963733992927,2cyclictest4065406-21kworker/u16:1+events_unbound08:06:226
3963733992927,2cyclictest3973380-21kworker/u16:4+flush-8:008:15:226
3963729992927,2cyclictest4191695-21kworker/u16:0+events_unbound09:45:295
3963729992927,2cyclictest4191695-21kworker/u16:0+events_unbound09:45:295
3963729992927,2cyclictest229461-21kworker/u16:4+events_unbound12:19:155
3963727992927,2cyclictest4074974-21kworker/u16:3+flush-8:008:37:544
3963727992927,2cyclictest352223-21kworker/u16:1+flush-8:011:54:214
3963727992927,2cyclictest229461-21kworker/u16:4+flush-8:011:41:014
2029742290,1chrt202972-21sh10:25:187
2029742290,1chrt202972-21sh10:25:187
3963733992826,2cyclictest4065406-21kworker/u16:1+events_unbound09:01:426
3963733992826,2cyclictest229461-21kworker/u16:4+events_unbound11:35:306
3963727992826,2cyclictest4104133-21kworker/u16:2+events_unbound08:41:544
3963727992826,2cyclictest4074974-21kworker/u16:3+events_unbound09:42:274
3963727992826,2cyclictest4074974-21kworker/u16:3+events_unbound08:49:534
3963727992826,2cyclictest252283-21kworker/u16:3+flush-8:011:01:254
3963727992825,2cyclictest4036163-21kworker/u16:2+events_unbound07:58:454
3963733992725,2cyclictest4191695-21kworker/u16:0+events_unbound09:52:216
3963733992725,2cyclictest375618-21kworker/u16:0+events_unbound12:35:096
3963729992724,3cyclictest229461-21kworker/u16:4+events_unbound10:58:445
3963727992725,2cyclictest8760-21kworker/u16:2+events_unbound09:16:514
3963727992725,2cyclictest4191695-21kworker/u16:0+events_unbound09:01:544
3963738992625,0cyclictest0-21swapper/708:13:597
3963733992624,2cyclictest4065406-21kworker/u16:1+flush-8:009:07:466
3963733992624,2cyclictest4065406-21kworker/u16:1+flush-8:009:07:466
3963733992624,2cyclictest3973380-21kworker/u16:4+events_unbound07:28:456
3963733992624,2cyclictest129468-21kworker/u16:3+events_unbound10:00:536
3963729992624,2cyclictest3909246-21kworker/u16:2+flush-8:007:16:305
707052250,1chrt70674-21ssh09:33:577
3963738992524,0cyclictest0-21swapper/708:44:097
3963733992523,2cyclictest4133491-21kworker/u16:0+events_unbound08:41:426
3963733992523,2cyclictest3963494-21kworker/u16:0+events_unbound07:13:406
3963733992523,2cyclictest375618-21kworker/u16:0+events_unbound12:25:506
3963733992523,2cyclictest375618-21kworker/u16:0+events_unbound12:25:506
3963733992523,2cyclictest229461-21kworker/u16:4+events_unbound10:50:286
3963733992523,2cyclictest105690-21kworker/u16:1+events_unbound10:31:076
3963729992523,2cyclictest8760-21kworker/u16:2+events_unbound10:33:125
3963729992523,2cyclictest4133491-21kworker/u16:0+events_unbound08:47:015
3963729992523,2cyclictest4065406-21kworker/u16:1+flush-8:008:06:095
3963729992523,2cyclictest4036163-21kworker/u16:2+events_unbound07:56:305
3963729992523,2cyclictest3997171-21kworker/u16:0+flush-8:007:27:455
3963729992523,2cyclictest3997171-21kworker/u16:0+events_unbound07:33:305
3963729992523,2cyclictest252283-21kworker/u16:3+events_unbound10:46:005
3963729992523,2cyclictest129468-21kworker/u16:3+events_unbound09:56:455
3963727992523,2cyclictest4074974-21kworker/u16:3+events_unbound08:06:554
3963727992523,2cyclictest3997171-21kworker/u16:0+events_unbound07:50:544
3963733992422,2cyclictest8760-21kworker/u16:2+flush-8:009:11:526
3963733992422,2cyclictest4104133-21kworker/u16:2+events_unbound08:23:386
3963729992422,2cyclictest4191695-21kworker/u16:0+events_unbound09:00:145
3963729992422,2cyclictest4065406-21kworker/u16:1+events_unbound08:27:175
3963729992422,2cyclictest4065406-21kworker/u16:1+events_unbound08:27:175
3963729992422,2cyclictest3946294-21kworker/u16:3+flush-8:007:09:145
3963729992422,2cyclictest229461-21kworker/u16:4+flush-8:012:27:005
3963729992422,2cyclictest229461-21kworker/u16:4+flush-8:012:27:005
3963738992322,0cyclictest0-21swapper/712:19:337
3963738992322,0cyclictest0-21swapper/708:49:067
3963738992322,0cyclictest0-21swapper/707:19:017
3963738992321,1cyclictest0-21swapper/710:54:347
3963738992319,3cyclictest327207-21ssh11:17:537
3963733992321,2cyclictest4074974-21kworker/u16:3+events_unbound08:51:426
3963733992321,2cyclictest3946294-21kworker/u16:3+events_unbound07:27:346
3963733992321,2cyclictest252283-21kworker/u16:3+flush-8:011:13:436
3963733992321,2cyclictest229461-21kworker/u16:4+events_unbound11:16:006
3963733992321,2cyclictest229461-21kworker/u16:4+events_unbound10:47:006
3963729992321,2cyclictest4191695-21kworker/u16:0+events_unbound09:43:125
3963729992321,2cyclictest4191695-21kworker/u16:0+events_unbound09:24:015
3963729992321,2cyclictest4104133-21kworker/u16:2+events_unbound08:42:575
3963729992321,2cyclictest4074974-21kworker/u16:3+events_unbound08:36:065
3963729992321,2cyclictest4065406-21kworker/u16:1+events_unbound08:51:505
3963729992321,2cyclictest3973380-21kworker/u16:4+events_unbound07:45:575
3963729992321,2cyclictest3946294-21kworker/u16:3+events_unbound07:22:475
3963729992321,2cyclictest375618-21kworker/u16:0+events_unbound11:37:575
3963733992220,2cyclictest8760-21kworker/u16:2+flush-8:009:25:206
3963733992220,2cyclictest4065406-21kworker/u16:1+events_unbound08:12:026
3963733992220,2cyclictest229461-21kworker/u16:4+flush-8:011:00:296
3963729992220,2cyclictest8760-21kworker/u16:2+flush-8:010:06:035
3963729992220,2cyclictest8760-21kworker/u16:2+events_unbound11:04:385
3963729992220,2cyclictest8760-21kworker/u16:2+events_unbound09:14:285
3963729992220,2cyclictest4074974-21kworker/u16:3+events_unbound08:30:505
3963729992220,2cyclictest3997171-21kworker/u16:0+events_unbound07:36:425
3963729992220,2cyclictest339515-21kworker/u16:0+flush-8:011:24:335
3963729992220,2cyclictest229461-21kworker/u16:4+events_unbound10:49:195
3963727992220,2cyclictest3973380-21kworker/u16:4+events_unbound07:41:544
3963733992119,2cyclictest105690-21kworker/u16:1+events_unbound10:17:326
3963729992119,2cyclictest8760-21kworker/u16:2+events_unbound10:14:075
3963729992119,2cyclictest423433-21kworker/u16:2+flush-8:012:09:205
3963729992119,2cyclictest3973380-21kworker/u16:4+flush-8:007:50:075
3963729992119,2cyclictest229461-21kworker/u16:4+flush-8:011:39:045
3963727992119,2cyclictest4036163-21kworker/u16:2+events_unbound07:57:544
3963738992019,0cyclictest0-21swapper/707:59:027
3963738992019,0cyclictest0-21swapper/707:29:067
3963738992018,1cyclictest227561-21ssh10:35:217
3963733992018,2cyclictest4191695-21kworker/u16:0+events_unbound09:15:056
3963729992018,2cyclictest8760-21kworker/u16:2+flush-8:010:11:105
3963729992018,2cyclictest4074974-21kworker/u16:3+events_unbound08:23:305
3963729992018,2cyclictest3997171-21kworker/u16:0+events_unbound08:02:335
3963729992018,2cyclictest375618-21kworker/u16:0+events_unbound11:50:045
3963729992018,2cyclictest252283-21kworker/u16:3+flush-8:011:19:105
3963729992018,2cyclictest252283-21kworker/u16:3+flush-8:011:17:125
3963729992018,2cyclictest229461-21kworker/u16:4+events_unbound10:56:395
3963729992018,2cyclictest129468-21kworker/u16:3+events_unbound10:22:235
3963727992017,2cyclictest4065406-21kworker/u16:1+flush-8:009:03:504
3963727992017,2cyclictest4065406-21kworker/u16:1+flush-8:009:03:504
3963738991918,0cyclictest0-21swapper/708:24:017
3963738991918,0cyclictest0-21swapper/708:24:017
3963738991917,1cyclictest8283-21diskmemload09:59:277
3963738991917,1cyclictest0-21swapper/709:43:267
3963738991915,3cyclictest1302-21snmpd09:55:187
3963729991917,2cyclictest4191695-21kworker/u16:0+flush-8:009:30:235
3963729991917,2cyclictest4191695-21kworker/u16:0+flush-8:009:08:015
3963729991917,2cyclictest4191695-21kworker/u16:0+flush-8:009:08:015
3963729991917,2cyclictest3997171-21kworker/u16:0+events_unbound08:13:445
3963729991917,2cyclictest352223-21kworker/u16:1+events_unbound11:43:495
3963729991917,2cyclictest229461-21kworker/u16:4+flush-8:011:57:095
3963727991917,2cyclictest4074974-21kworker/u16:3+events_unbound08:22:354
3963727991917,2cyclictest3997171-21kworker/u16:0+events_unbound07:36:554
3963727991917,2cyclictest3973380-21kworker/u16:4+flush-8:007:31:104
3963727991917,2cyclictest3973380-21kworker/u16:4+events_unbound08:17:344
3963738991816,1cyclictest0-21swapper/711:01:427
3963738991816,1cyclictest0-21swapper/707:24:117
3963733991816,2cyclictest4065406-21kworker/u16:1+events_unbound08:53:596
3963733991816,2cyclictest3909246-21kworker/u16:2+events_unbound07:14:426
3963733991815,2cyclictest4104133-21kworker/u16:2+events_unbound08:43:516
3963729991816,2cyclictest8760-21kworker/u16:2+flush-8:009:34:135
3963729991816,2cyclictest8760-21kworker/u16:2+flush-8:009:21:205
3963729991816,2cyclictest8760-21kworker/u16:2+events_unbound10:02:025
3963729991816,2cyclictest510006-21kworker/u16:1+events_unbound12:31:125
3963729991816,2cyclictest423433-21kworker/u16:2+events_unbound12:07:595
3963729991816,2cyclictest3973380-21kworker/u16:4+flush-8:007:42:365
3963729991816,2cyclictest252283-21kworker/u16:3+flush-8:011:32:445
3963729991816,2cyclictest229461-21kworker/u16:4+events_unbound11:58:445
3963729991816,2cyclictest177828-21kworker/u16:0+events_unbound10:41:245
3963738991716,0cyclictest0-21swapper/712:05:547
3963738991716,0cyclictest0-21swapper/710:53:277
3963738991715,1cyclictest339417-21ssh11:22:507
3963738991715,1cyclictest20157-21sh09:13:027
3963738991713,3cyclictest1302-21snmpd10:38:567
396373899171,14cyclictest164874-21ssh10:09:097
3963733991715,2cyclictest4074974-21kworker/u16:3+events_unbound08:27:036
3963733991715,2cyclictest4074974-21kworker/u16:3+events_unbound08:27:036
3963733991715,2cyclictest3997171-21kworker/u16:0+events_unbound07:36:306
3963733991714,2cyclictest3997171-21kworker/u16:0+events_unbound07:38:496
3963729991715,2cyclictest511491-21kworker/u16:2+events_unbound12:35:595
3963729991715,2cyclictest4074974-21kworker/u16:3+flush-8:009:11:465
3963729991714,2cyclictest4074974-21kworker/u16:3+events_unbound08:53:535
3963727991715,2cyclictest3946294-21kworker/u16:3+events_unbound07:22:224
3963738991615,0cyclictest0-21swapper/711:36:587
3963738991615,0cyclictest0-21swapper/710:17:227
3963738991615,0cyclictest0-21swapper/709:04:117
3963738991615,0cyclictest0-21swapper/709:04:117
3963738991614,1cyclictest0-21swapper/709:19:047
3963738991613,2cyclictest1302-21snmpd08:59:537
3963733991614,2cyclictest4036163-21kworker/u16:2+flush-8:007:59:166
3963733991614,2cyclictest252283-21kworker/u16:3+flush-8:011:19:186
3963729991612,3cyclictest8760-21kworker/u16:2+flush-8:010:38:435
3963727991614,2cyclictest4036163-21kworker/u16:2+events_unbound07:45:234
3963738991514,0cyclictest0-21swapper/712:34:537
3963738991513,1cyclictest67988-21ssh09:30:447
3963738991513,1cyclictest0-21swapper/710:22:547
3963729991513,2cyclictest8760-21kworker/u16:2+flush-8:011:08:585
396373899149,4cyclictest474861-21latency_hist12:18:437
3963738991414,0cyclictest0-21swapper/710:33:217
3963738991413,0cyclictest0-21swapper/712:26:097
3963738991413,0cyclictest0-21swapper/712:26:097
3963738991413,0cyclictest0-21swapper/710:46:337
3963738991413,0cyclictest0-21swapper/709:27:227
3963738991413,0cyclictest0-21swapper/709:16:067
3963738991412,1cyclictest0-21swapper/712:01:267
3963738991412,1cyclictest0-21swapper/708:19:107
3963738991410,3cyclictest1302-21snmpd11:57:047
3963733991412,2cyclictest3909246-21kworker/u16:2+events_unbound07:19:226
3963727991412,2cyclictest4104133-21kworker/u16:2+flush-8:008:23:594
3963727991412,2cyclictest4104133-21kworker/u16:2+flush-8:008:23:594
3963738991313,0cyclictest0-21swapper/711:11:557
3963738991312,0cyclictest0-21swapper/709:48:587
3963738991312,0cyclictest0-21swapper/707:08:537
3963738991311,1cyclictest510118-21ssh12:30:497
3963733991311,2cyclictest3997171-21kworker/u16:0+flush-8:007:51:186
396372999130,13cyclictest0-21swapper/510:24:435
396372999130,13cyclictest0-21swapper/510:24:435
3963727991312,1cyclictest0-21swapper/408:54:034
3963727991311,2cyclictest3963494-21kworker/u16:0+events_unbound07:11:114
396373899129,2cyclictest1302-21snmpd12:11:587
396373899127,3cyclictest958-21NetworkManager08:09:087
396373899124,6cyclictest3518298-21gmain08:04:137
3963738991212,0cyclictest0-21swapper/710:07:227
3963738991211,0cyclictest0-21swapper/707:49:217
3963738991210,1cyclictest0-21swapper/708:39:037
3963729991211,1cyclictest0-21swapper/509:52:525
3963727991210,2cyclictest3963494-21kworker/u16:0+events_unbound07:13:484
396372799120,12cyclictest0-21swapper/408:11:384
396373899119,1cyclictest98248-21ssh09:44:037
396373899119,1cyclictest98248-21ssh09:44:037
396373899119,1cyclictest0-21swapper/711:04:047
396373899119,1cyclictest0-21swapper/707:43:567
396373899119,1cyclictest0-21swapper/707:38:547
396373899118,2cyclictest1302-21snmpd08:55:177
396373899117,3cyclictest5955-21gsd-housekeepin08:29:077
396373899110,2cyclictest0-21swapper/707:54:097
396372799119,2cyclictest4074974-21kworker/u16:3+events_unbound08:29:164
396373899107,2cyclictest1302-21snmpd11:40:137
396373899104,5cyclictest1005-21gmain08:34:097
396372799108,2cyclictest3997171-21kworker/u16:0+events_unbound07:28:104
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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