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2025-11-14 - 20:41
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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 Fri Nov 14, 2025 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3775259997469,4cyclictest3992502-21cp17:09:167
377481926655,7sleep50-21swapper/515:22:135
377477125949,7sleep60-21swapper/615:21:346
3775259995754,2cyclictest27944-21gnome-software17:30:267
3775247995351,2cyclictest3849476-21kworker/u16:4+events_unbound16:09:334
377494725141,7sleep40-21swapper/415:23:564
3775259994944,4cyclictest3910300-21latency_hist16:29:037
3775259994944,4cyclictest3910300-21latency_hist16:29:037
3775259994742,4cyclictest589235-21systemd-journal17:06:187
377525999470,45cyclictest4178095-21latency_hist18:24:027
3775247994744,2cyclictest115603-21kworker/u16:1+flush-8:020:09:334
3775251994644,2cyclictest55030-21kworker/u16:3+flush-8:019:24:035
3775251994644,2cyclictest3959814-21kworker/u16:6+flush-8:017:09:345
3775256994544,1cyclictest4178051-21kworker/u16:4+events_unbound18:34:316
3775256994543,2cyclictest3959814-21kworker/u16:6+flush-8:017:10:426
3775259994443,0cyclictest0-21swapper/718:04:327
3775256994440,3cyclictest55030-21kworker/u16:3+flush-8:019:34:036
3775247994340,2cyclictest3774831-21kworker/u16:0+flush-8:016:44:314
3775251994240,2cyclictest3734670-21kworker/u16:1+flush-8:015:34:035
3775247994240,2cyclictest3981179-21kworker/u16:5+events_unbound17:12:094
3775247994239,2cyclictest3889105-21kworker/u16:2+events_unbound16:19:454
3775247994139,2cyclictest3959814-21kworker/u16:6+events_unbound17:06:544
3775247994139,2cyclictest157410-21kworker/u16:4+events_unbound20:16:464
3775256994038,2cyclictest55030-21kworker/u16:3+flush-8:019:19:296
3775251994037,3cyclictest3950466-21kworker/u16:4+events_unbound17:07:205
3775247994038,2cyclictest3920203-21kworker/u16:1+events_unbound16:35:464
3775259993934,4cyclictest3839715-21latency_hist15:54:037
3775247993937,2cyclictest55030-21kworker/u16:3+events_unbound19:44:314
3775247993937,2cyclictest55030-21kworker/u16:3+events_unbound19:39:444
3775247993937,2cyclictest55030-21kworker/u16:3+events_unbound19:19:464
3775247993937,2cyclictest4178051-21kworker/u16:4+events_unbound18:42:464
3775247993937,2cyclictest217898-21kworker/u16:3+events_unbound20:20:464
3775247993937,2cyclictest115603-21kworker/u16:1+events_unbound20:03:464
37746662393,31sleep70-21swapper/715:20:067
3775259993837,0cyclictest0-21swapper/719:26:467
3775259993837,0cyclictest0-21swapper/718:14:307
3775259993834,2cyclictest23874-21ntpq18:39:307
3775259993736,0cyclictest0-21swapper/719:39:057
3775259993732,4cyclictest4086850-21latency_hist17:39:027
3775256993735,2cyclictest157410-21kworker/u16:4+events_unbound20:02:056
3775256993734,2cyclictest3940336-21kworker/u16:2+flush-8:017:44:136
3775251993733,3cyclictest4524-21packagekitd18:34:055
3775259993635,0cyclictest0-21swapper/719:08:257
3775259993630,5cyclictest4107068-21latency_hist17:49:037
3775247993634,2cyclictest3959814-21kworker/u16:6+events_unbound18:09:134
3775247993634,2cyclictest3859698-21kworker/u16:1+events_unbound16:06:474
3775247993634,2cyclictest3688361-21kworker/u16:2+events_unbound15:53:474
3775259993534,0cyclictest0-21swapper/719:16:137
3775256993533,2cyclictest4117081-21kworker/u16:2+events_unbound18:23:176
3775247993533,2cyclictest3980875-21kworker/u16:0+flush-8:019:29:314
3775247993533,2cyclictest3959814-21kworker/u16:6+flush-8:016:54:464
3775247993533,2cyclictest3774831-21kworker/u16:0+flush-8:015:24:334
3775247993532,3cyclictest3774831-21kworker/u16:0+events_unbound16:40:494
3775247993532,2cyclictest156097-21kworker/u16:2+events_unbound19:49:114
3775259993430,3cyclictest13766-21ps18:34:317
3775256993433,1cyclictest3920203-21kworker/u16:1+events_unbound17:05:546
3775256993432,2cyclictest3774831-21kworker/u16:0+events_unbound16:44:266
3775256993431,2cyclictest3688361-21kworker/u16:2+events_unbound15:49:196
3775251993432,2cyclictest3859698-21kworker/u16:1+events_unbound16:19:255
3775251993431,2cyclictest4117081-21kworker/u16:2+events_unbound18:14:165
3775247993432,2cyclictest3959814-21kworker/u16:6+events_unbound18:38:224
3775247993432,2cyclictest3940336-21kworker/u16:2+events_unbound16:59:504
3775247993432,2cyclictest156097-21kworker/u16:2+events_unbound19:58:494
3775247993432,2cyclictest156097-21kworker/u16:2+events_unbound19:58:494
3775251993331,2cyclictest4076391-21kworker/u16:1+events_unbound17:49:255
3775247993331,2cyclictest4117081-21kworker/u16:2+flush-8:018:14:294
3775247993331,2cyclictest4076391-21kworker/u16:1+events_unbound17:47:264
3775247993331,2cyclictest3940336-21kworker/u16:2+events_unbound17:15:134
3775247993331,2cyclictest3774831-21kworker/u16:0+events_unbound16:26:124
3775247993331,2cyclictest3774831-21kworker/u16:0+events_unbound16:26:124
3775247993331,2cyclictest3774831-21kworker/u16:0+events_unbound15:31:484
3775259993231,0cyclictest0-21swapper/717:39:057
3775259993231,0cyclictest0-21swapper/717:18:137
377525999320,31cyclictest27944-21gnome-software18:34:027
3775256993230,2cyclictest3980875-21kworker/u16:0+events_unbound19:47:046
3775256993230,2cyclictest3980875-21kworker/u16:0+events_unbound18:50:256
3775256993230,2cyclictest257083-21kworker/u16:1+events_unbound20:48:206
3775256993229,2cyclictest157410-21kworker/u16:4+events_unbound20:39:036
3775256993229,2cyclictest157410-21kworker/u16:4+events_unbound20:39:036
3775247993230,2cyclictest4117081-21kworker/u16:2+flush-8:018:25:454
3775247993230,2cyclictest3889105-21kworker/u16:2+events_unbound16:15:504
3775247993230,2cyclictest3688361-21kworker/u16:2+events_unbound15:54:464
3775247993229,2cyclictest261838-21kworker/u16:2+events_unbound20:43:254
3775247993229,2cyclictest261838-21kworker/u16:2+events_unbound20:43:254
3775256993129,2cyclictest3940336-21kworker/u16:2+events_unbound16:56:456
3775256993129,2cyclictest3920203-21kworker/u16:1+events_unbound16:53:496
3775256993129,2cyclictest3859721-21kworker/u16:2+events_unbound16:08:386
3775256993129,2cyclictest3764670-21kworker/u16:3+events_unbound15:40:416
3775256993129,2cyclictest3764670-21kworker/u16:3+events_unbound15:40:416
3775256993129,2cyclictest217898-21kworker/u16:3+events_unbound20:28:166
3775256993129,2cyclictest15097-21kworker/u16:1+flush-8:019:11:486
3775256993129,2cyclictest15097-21kworker/u16:1+flush-8:019:11:486
3775251993128,2cyclictest55030-21kworker/u16:3+events_unbound19:44:125
3775251993127,3cyclictest55030-21kworker/u16:3+flush-8:019:06:165
3775247993129,2cyclictest3959814-21kworker/u16:6+events_unbound17:58:184
3775247993129,2cyclictest3959814-21kworker/u16:6+events_unbound17:52:404
3775247993129,2cyclictest3920203-21kworker/u16:1+events_unbound16:49:584
3775247993129,2cyclictest3899896-21kworker/u16:3+events_unbound16:29:504
3775247993129,2cyclictest3774831-21kworker/u16:0+events_unbound15:41:504
3775247993129,2cyclictest3774831-21kworker/u16:0+events_unbound15:41:504
3775247993129,2cyclictest217898-21kworker/u16:3+events_unbound20:28:124
3775247993129,2cyclictest15097-21kworker/u16:1+events_unbound18:45:484
3775259993029,0cyclictest0-21swapper/719:39:017
3775259993029,0cyclictest0-21swapper/719:31:577
3775256993028,2cyclictest3980875-21kworker/u16:0+flush-8:018:39:356
3775256993028,2cyclictest3734670-21kworker/u16:1+events_unbound15:28:346
3775256993028,2cyclictest115603-21kworker/u16:1+events_unbound19:49:206
3775251993028,2cyclictest3774831-21kworker/u16:0+events_unbound16:34:325
3775247993028,2cyclictest4117081-21kworker/u16:2+events_unbound18:04:534
3775247993028,2cyclictest3981179-21kworker/u16:5+events_unbound17:22:584
3775247993028,2cyclictest3959814-21kworker/u16:6+events_unbound18:57:494
3775247993028,2cyclictest3940336-21kworker/u16:2+events_unbound17:43:294
3775247993028,2cyclictest261838-21kworker/u16:2+flush-8:020:51:114
3775259992928,0cyclictest0-21swapper/718:49:177
3775259992928,0cyclictest0-21swapper/717:00:497
3775256992927,2cyclictest84736-21kworker/u16:2+events_unbound19:37:416
3775256992927,2cyclictest84736-21kworker/u16:2+events_unbound19:18:536
3775256992927,2cyclictest3980875-21kworker/u16:0+events_unbound17:31:406
3775256992927,2cyclictest3959814-21kworker/u16:6+events_unbound17:54:496
3775251992927,2cyclictest3959814-21kworker/u16:6+flush-8:018:09:255
3775251992926,2cyclictest3840101-21kworker/u16:3+flush-8:015:54:215
3775247992927,2cyclictest84736-21kworker/u16:2+events_unbound19:15:534
3775247992927,2cyclictest3980875-21kworker/u16:0+events_unbound18:23:414
3775247992927,2cyclictest261838-21kworker/u16:2+flush-8:020:44:454
3775259992826,1cyclictest0-21swapper/715:47:477
3775256992826,2cyclictest3980875-21kworker/u16:0+events_unbound18:48:166
3775256992826,2cyclictest3959814-21kworker/u16:6+events_unbound18:10:216
3775256992826,2cyclictest3959814-21kworker/u16:6+events_unbound17:52:306
3775256992826,2cyclictest3774831-21kworker/u16:0+events_unbound16:21:036
3775256992826,2cyclictest3774831-21kworker/u16:0+events_unbound15:38:256
3775256992826,2cyclictest276975-21kworker/u16:0+events_unbound20:52:456
3775256992826,2cyclictest115603-21kworker/u16:1+events_unbound20:11:206
3775256992826,2cyclictest115603-21kworker/u16:1+events_unbound19:57:216
3775256992826,2cyclictest115603-21kworker/u16:1+events_unbound19:57:216
3775251992826,2cyclictest246753-21kworker/u16:0+events_unbound20:34:255
3775251992825,2cyclictest3981179-21kworker/u16:5+flush-8:017:14:465
3775247992826,2cyclictest3980875-21kworker/u16:0+events_unbound17:26:504
3775247992826,2cyclictest157410-21kworker/u16:4+flush-8:020:29:174
3775259992726,0cyclictest0-21swapper/718:47:047
3775256992725,2cyclictest55030-21kworker/u16:3+events_unbound19:39:406
3775256992725,2cyclictest3920203-21kworker/u16:1+events_unbound17:01:446
3775256992725,2cyclictest3920203-21kworker/u16:1+events_unbound16:42:216
3775256992725,2cyclictest3774831-21kworker/u16:0+events_unbound16:16:576
3775256992725,2cyclictest3734670-21kworker/u16:1+events_unbound15:31:266
3775256992725,2cyclictest216652-21kworker/u16:2+events_unbound20:19:186
3775256992725,2cyclictest157410-21kworker/u16:4+events_unbound20:18:006
3775251992725,2cyclictest157410-21kworker/u16:4+flush-8:020:39:185
3775251992725,2cyclictest157410-21kworker/u16:4+flush-8:020:39:185
3775251992724,3cyclictest3980875-21kworker/u16:0+flush-8:018:31:465
3775247992725,2cyclictest3774831-21kworker/u16:0+flush-8:015:45:414
3775259992625,0cyclictest0-21swapper/720:42:367
3775259992625,0cyclictest0-21swapper/720:42:367
3775259992625,0cyclictest0-21swapper/719:02:097
3775259992625,0cyclictest0-21swapper/715:31:177
3775256992624,2cyclictest55030-21kworker/u16:3+events_unbound19:02:326
3775256992624,2cyclictest4117081-21kworker/u16:2+events_unbound18:17:496
3775256992624,2cyclictest3981179-21kworker/u16:5+flush-8:017:27:016
3775256992624,2cyclictest3980875-21kworker/u16:0+events_unbound17:36:296
3775256992624,2cyclictest3959814-21kworker/u16:6+events_unbound17:22:506
3775251992624,2cyclictest84736-21kworker/u16:2+events_unbound19:24:335
3775251992624,2cyclictest55030-21kworker/u16:3+flush-8:019:39:035
3775247992624,2cyclictest55030-21kworker/u16:3+events_unbound19:10:004
3775247992624,2cyclictest55030-21kworker/u16:3+events_unbound19:10:004
3775247992624,2cyclictest3980875-21kworker/u16:0+flush-8:017:34:174
3775247992624,2cyclictest3849476-21kworker/u16:4+events_unbound16:02:174
3775247992624,2cyclictest3764670-21kworker/u16:3+events_unbound15:36:394
3775247992624,2cyclictest246753-21kworker/u16:0+events_unbound20:35:414
3775247992624,2cyclictest15097-21kworker/u16:1+events_unbound19:02:054
38903092250,1chrt3890311-21latency_hist16:19:037
3775259992525,0cyclictest0-21swapper/719:58:467
3775259992525,0cyclictest0-21swapper/719:58:467
3775259992524,0cyclictest0-21swapper/718:00:497
3775259992524,0cyclictest0-21swapper/717:55:217
3775256992523,2cyclictest4117081-21kworker/u16:2+flush-8:018:07:486
3775256992523,2cyclictest3980875-21kworker/u16:0+events_unbound19:26:406
3775256992523,2cyclictest3899896-21kworker/u16:3+events_unbound16:26:416
3775256992523,2cyclictest3899896-21kworker/u16:3+events_unbound16:26:416
3775256992523,2cyclictest3774831-21kworker/u16:0+events_unbound16:37:366
3775256992523,2cyclictest3688361-21kworker/u16:2+flush-8:015:45:286
3775251992523,2cyclictest4076391-21kworker/u16:1+flush-8:017:38:585
3775251992523,2cyclictest3980875-21kworker/u16:0+flush-8:018:23:215
3775251992523,2cyclictest3940336-21kworker/u16:2+flush-8:017:19:155
3775251992523,2cyclictest3774831-21kworker/u16:0+events_unbound16:14:285
3775247992523,2cyclictest55030-21kworker/u16:3+flush-8:019:07:474
3775247992523,2cyclictest4117081-21kworker/u16:2+events_unbound18:00:574
3775259992423,0cyclictest0-21swapper/716:04:297
3775259992422,1cyclictest0-21swapper/716:37:347
3775256992422,2cyclictest55030-21kworker/u16:3+events_unbound20:06:486
3775256992422,2cyclictest4117081-21kworker/u16:2+events_unbound18:25:426
3775256992422,2cyclictest3940336-21kworker/u16:2+events_unbound17:16:416
3775256992422,2cyclictest3899896-21kworker/u16:3+events_unbound16:32:076
3775256992422,2cyclictest3859698-21kworker/u16:1+events_unbound16:11:596
3775256992422,2cyclictest217898-21kworker/u16:3+events_unbound20:30:336
3775256992422,2cyclictest157410-21kworker/u16:4+flush-8:020:34:186
3775251992422,2cyclictest3774831-21kworker/u16:0+flush-8:016:44:345
3775247992422,2cyclictest3980875-21kworker/u16:0+events_unbound18:53:334
3775247992422,2cyclictest3959814-21kworker/u16:6+events_unbound17:30:044
3775259992322,0cyclictest0-21swapper/720:44:377
3775259992322,0cyclictest0-21swapper/720:37:007
3775259992322,0cyclictest0-21swapper/716:09:097
3775259992321,1cyclictest0-21swapper/715:54:177
3775256992321,2cyclictest4076391-21kworker/u16:1+events_unbound17:41:446
3775256992321,2cyclictest3980875-21kworker/u16:0+events_unbound18:03:096
3775256992321,2cyclictest3959814-21kworker/u16:6+events_unbound18:31:166
3775256992321,2cyclictest3859721-21kworker/u16:2+events_unbound16:02:216
3775251992321,2cyclictest3980875-21kworker/u16:0+flush-8:017:24:245
3775247992321,2cyclictest3980875-21kworker/u16:0+events_unbound19:36:504
3775259992221,0cyclictest0-21swapper/719:50:587
3775259992221,0cyclictest0-21swapper/717:24:267
3775259992221,0cyclictest0-21swapper/716:58:547
3775256992220,2cyclictest3849476-21kworker/u16:4+events_unbound15:56:106
3775251992220,2cyclictest84736-21kworker/u16:2+flush-8:019:14:385
3775251992220,2cyclictest3899896-21kworker/u16:3+events_unbound16:24:265
3775251992220,2cyclictest3899896-21kworker/u16:3+events_unbound16:24:265
3775251992219,3cyclictest3959814-21kworker/u16:6+flush-8:016:59:225
3775247992220,2cyclictest3980875-21kworker/u16:0+events_unbound19:27:044
3775259992120,0cyclictest0-21swapper/719:44:357
3775259992120,0cyclictest0-21swapper/716:48:017
3775259992116,4cyclictest3900210-21latency_hist16:24:037
3775256992119,2cyclictest3959814-21kworker/u16:6+events_unbound18:55:446
3775251992119,2cyclictest3980875-21kworker/u16:0+flush-8:017:39:195
3775251992117,3cyclictest257083-21kworker/u16:1+flush-8:020:49:185
3775247992119,2cyclictest55030-21kworker/u16:3+events_unbound20:05:454
3775247992119,2cyclictest3959814-21kworker/u16:6+events_unbound18:30:004
3775259992019,0cyclictest0-21swapper/720:01:257
3775259992019,0cyclictest0-21swapper/716:49:487
3775259992019,0cyclictest0-21swapper/716:33:497
3775259992019,0cyclictest0-21swapper/715:24:487
3775251992018,2cyclictest3980875-21kworker/u16:0+events_unbound18:39:195
3775251992018,2cyclictest3774831-21kworker/u16:0+flush-8:015:59:265
3775251992016,3cyclictest3688361-21kworker/u16:2+flush-8:015:44:225
3775259991918,0cyclictest0-21swapper/718:09:297
377525999190,17cyclictest589235-21systemd-journal20:24:037
3775251991917,2cyclictest55030-21kworker/u16:3+events_unbound20:04:315
3775251991917,2cyclictest3980875-21kworker/u16:0+events_unbound19:29:155
3775251991917,2cyclictest3959814-21kworker/u16:6+flush-8:017:29:275
3775251991917,2cyclictest3859698-21kworker/u16:1+events_unbound16:08:585
3775251991917,2cyclictest217898-21kworker/u16:3+flush-8:020:19:285
3775251991917,2cyclictest115603-21kworker/u16:1+flush-8:019:39:335
3775251991915,3cyclictest3774831-21kworker/u16:0+flush-8:016:34:035
3775259991818,0cyclictest0-21swapper/720:27:157
3775259991817,0cyclictest0-21swapper/720:06:267
3775256991816,2cyclictest55030-21kworker/u16:3+events_unbound19:05:596
3775251991816,2cyclictest3980875-21kworker/u16:0+flush-8:018:48:585
3775251991816,2cyclictest3920203-21kworker/u16:1+flush-8:016:54:245
3775259991716,0cyclictest0-21swapper/720:50:237
3775259991716,0cyclictest0-21swapper/718:28:067
3775259991716,0cyclictest0-21swapper/716:42:397
3775251991714,3cyclictest261838-21kworker/u16:2+flush-8:020:44:225
3775259991616,0cyclictest0-21swapper/716:03:227
3775259991615,0cyclictest0-21swapper/715:36:047
3775259991614,1cyclictest0-21swapper/717:22:517
3775259991612,3cyclictest4175659-21snmpd20:31:547
3775251991614,2cyclictest55030-21kworker/u16:3+flush-8:019:13:165
3775251991614,2cyclictest55030-21kworker/u16:3+flush-8:019:13:165
3775251991614,2cyclictest4117081-21kworker/u16:2+events_unbound17:59:255
3775251991614,2cyclictest3764670-21kworker/u16:3+events_unbound15:39:315
3775251991614,2cyclictest3764670-21kworker/u16:3+events_unbound15:39:315
3775251991613,2cyclictest115603-21kworker/u16:1+events_unbound20:24:045
3775259991514,0cyclictest0-21swapper/718:55:247
3775259991510,4cyclictest216691-21latency_hist20:19:037
377525999150,14cyclictest589235-21systemd-journal17:49:047
3775251991513,2cyclictest3980875-21kworker/u16:0+flush-8:018:24:165
3775251991513,2cyclictest3799430-21kworker/u16:4+events_unbound15:34:325
3775251991512,2cyclictest115603-21kworker/u16:1+flush-8:020:29:325
377525999140,12cyclictest85822-21cat19:14:037
377525999140,12cyclictest85822-21cat19:14:037
3775251991412,2cyclictest4076391-21kworker/u16:1+flush-8:017:45:175
3775251991412,2cyclictest156097-21kworker/u16:2+events_unbound19:59:305
3775251991412,2cyclictest115603-21kworker/u16:1+flush-8:019:54:275
3775251991412,2cyclictest115603-21kworker/u16:1+flush-8:019:54:275
377525199140,13cyclictest0-21swapper/516:49:065
377525999139,3cyclictest196927-21/usr/sbin/munin20:09:167
377525999136,6cyclictest27763-21gvfs-afc-volume19:19:217
3775259991310,2cyclictest4175659-21snmpd15:41:567
3775259991310,2cyclictest4175659-21snmpd15:41:567
3775251991311,2cyclictest55030-21kworker/u16:3+events_unbound19:03:255
3775251991311,2cyclictest3980875-21kworker/u16:0+events_unbound17:54:265
377525199130,1cyclictest0-21swapper/520:11:025
3775251991210,2cyclictest15097-21kworker/u16:1+events_unbound18:49:305
377525199119,2cyclictest3859698-21kworker/u16:1+flush-8:016:09:345
3775251991110,1cyclictest0-21swapper/515:26:015
377525199109,1cyclictest0-21swapper/520:15:185
377525199109,1cyclictest0-21swapper/519:52:265
377525199108,2cyclictest3774831-21kworker/u16:0+events_unbound16:39:415
37752519986,2cyclictest3980875-21kworker/u16:0+events_unbound18:07:535
37752519984,3cyclictest54548-21cut18:54:315
37752519973,3cyclictest3831606-21cut15:49:215
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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