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2026-05-24 - 01:46
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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 Sun May 24, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2657195996057,2cyclictest3206822-21kworker/u16:3+events_unbound23:42:425
2657195995553,2cyclictest3253568-21kworker/u16:1+events_unbound23:47:535
2657191995250,2cyclictest3353890-21kworker/u16:1+events_unbound00:22:504
2657191995250,2cyclictest3024421-21kworker/u16:4+events_unbound22:27:554
2657200995147,3cyclictest124-21kswapd000:32:197
2657195995149,2cyclictest3253568-21kworker/u16:1+events_unbound23:37:515
2657191994947,2cyclictest3094646-21kworker/u16:0+events_unbound23:47:554
2657191994643,2cyclictest3149631-21kworker/u16:1+events_unbound22:57:414
265675624433,8sleep40-21swapper/419:05:124
2657195994341,2cyclictest3094646-21kworker/u16:0+events_unbound23:02:565
2657195994341,2cyclictest3046412-21kworker/u16:1+flush-8:022:37:545
2657195994240,2cyclictest3094646-21kworker/u16:0+events_unbound23:30:575
265668824232,7sleep50-21swapper/519:04:175
2657195994139,2cyclictest3302409-21kworker/u16:4+events_unbound00:01:185
2657195994139,2cyclictest3133441-21kworker/u16:5+events_unbound22:57:555
2657195994139,2cyclictest3024421-21kworker/u16:4+events_unbound22:32:415
2657191994139,2cyclictest2619044-21kworker/u16:1+flush-8:019:42:524
26477692415,30sleep70-21swapper/719:02:347
2657195994038,2cyclictest3121105-21kworker/u16:4+events_unbound22:52:405
2657191994038,2cyclictest3206822-21kworker/u16:3+events_unbound00:01:104
2657191994038,2cyclictest3167248-21kworker/u16:2+events_unbound23:22:384
2657200993936,2cyclictest2737869-21cat19:47:257
2657195993937,2cyclictest3206822-21kworker/u16:3+flush-8:023:24:295
2657195993937,2cyclictest2997968-21kworker/u16:0+events_unbound21:57:265
2657195993937,2cyclictest2903292-21kworker/u16:3+events_unbound21:33:475
2657195993937,2cyclictest2903292-21kworker/u16:3+events_unbound21:33:475
2657195993937,2cyclictest2863170-21kworker/u16:0+flush-8:021:28:025
2657195993936,2cyclictest3094646-21kworker/u16:0+events_unbound23:12:385
2657191993936,2cyclictest3353890-21kworker/u16:1+events_unbound00:32:404
2657195993836,2cyclictest3206822-21kworker/u16:3+events_unbound23:35:385
2657195993836,2cyclictest2776151-21kworker/u16:3+events_unbound20:57:265
2657195993835,2cyclictest3325395-21kworker/u16:0+flush-8:000:07:405
2657191993836,2cyclictest3149631-21kworker/u16:1+flush-8:022:52:524
2657195993735,2cyclictest3373739-21kworker/u16:3+events_unbound00:26:255
2657195993735,2cyclictest3360149-21kworker/u16:2+events_unbound00:21:185
2657195993735,2cyclictest3360149-21kworker/u16:2+events_unbound00:21:185
2657195993735,2cyclictest3302409-21kworker/u16:4+events_unbound00:16:415
2657195993735,2cyclictest3024421-21kworker/u16:4+events_unbound22:23:395
2657195993735,2cyclictest3024421-21kworker/u16:4+events_unbound22:14:095
2657195993735,2cyclictest3024421-21kworker/u16:4+events_unbound22:14:095
2657195993735,2cyclictest2962195-21kworker/u16:2+events_unbound21:54:465
2657191993735,2cyclictest3253568-21kworker/u16:1+events_unbound23:40:494
2657195993634,2cyclictest3253568-21kworker/u16:1+events_unbound23:54:105
2657195993634,2cyclictest3149631-21kworker/u16:1+events_unbound23:11:465
2657195993634,2cyclictest3094646-21kworker/u16:0+events_unbound22:31:185
2657195993634,2cyclictest3022332-21kworker/u16:3+events_unbound22:04:425
2657195993634,2cyclictest2903292-21kworker/u16:3+events_unbound21:13:595
2657195993634,2cyclictest2891408-21kworker/u16:2+events_unbound21:09:275
2657195993634,2cyclictest2718532-21kworker/u16:2+events_unbound19:57:215
2657191993634,2cyclictest3325395-21kworker/u16:0+events_unbound00:21:454
2657191993634,2cyclictest3325395-21kworker/u16:0+events_unbound00:21:454
2657191993634,2cyclictest3094646-21kworker/u16:0+flush-8:023:17:404
2657191993634,2cyclictest3094646-21kworker/u16:0+events_unbound23:52:404
2657195993533,2cyclictest3360149-21kworker/u16:2+flush-8:000:32:395
2657195993533,2cyclictest3353890-21kworker/u16:1+events_unbound00:31:025
2657195993533,2cyclictest3046412-21kworker/u16:1+events_unbound22:20:225
2657195993533,2cyclictest2962195-21kworker/u16:2+events_unbound21:45:195
33009732340,1chrt3300971-21ssh23:55:317
2657200993432,1cyclictest0-21swapper/721:07:427
2657195993432,2cyclictest3119952-21kworker/u16:3+flush-8:022:44:545
2657195993432,2cyclictest3094646-21kworker/u16:0+flush-8:022:47:545
2657195993432,2cyclictest3094646-21kworker/u16:0+events_unbound23:18:465
2657195993432,2cyclictest2949669-21kworker/u16:1+events_unbound21:39:065
2657195993432,2cyclictest2903292-21kworker/u16:3+events_unbound21:23:065
2657191993432,2cyclictest3325395-21kworker/u16:0+events_unbound00:09:504
2657191993432,2cyclictest3206822-21kworker/u16:3+events_unbound00:05:054
2657191993432,2cyclictest3149631-21kworker/u16:1+events_unbound23:04:104
2657191993432,2cyclictest3094646-21kworker/u16:0+events_unbound23:12:444
2657191993432,2cyclictest3094646-21kworker/u16:0+events_unbound22:41:424
2657195993331,2cyclictest3253568-21kworker/u16:1+events_unbound00:03:495
2657195993331,2cyclictest2997968-21kworker/u16:0+events_unbound21:48:175
2657195993330,2cyclictest0-21swapper/522:07:395
2657191993332,1cyclictest3206822-21kworker/u16:3+events_unbound00:12:384
2657191993331,2cyclictest3206822-21kworker/u16:3+events_unbound23:45:074
2657191993331,2cyclictest2619044-21kworker/u16:1+events_unbound19:28:314
2657191993331,2cyclictest2619044-21kworker/u16:1+events_unbound19:25:274
2657191993230,2cyclictest3241169-21kworker/u16:2+events_unbound23:34:164
2657191993230,2cyclictest3094646-21kworker/u16:0+events_unbound23:29:134
2657191993230,2cyclictest3094646-21kworker/u16:0+events_unbound23:07:364
2657191993230,2cyclictest3046412-21kworker/u16:1+events_unbound22:16:574
2657191993230,2cyclictest3046412-21kworker/u16:1+events_unbound22:16:574
2657197993129,2cyclictest2997968-21kworker/u16:0+events_unbound21:52:506
2657195993129,2cyclictest2903292-21kworker/u16:3+events_unbound21:18:585
2657195993129,2cyclictest2776151-21kworker/u16:3+events_unbound20:44:345
2657191993129,2cyclictest3353890-21kworker/u16:1+events_unbound00:31:594
2657191993129,2cyclictest3094646-21kworker/u16:0+events_unbound22:50:494
2657191993129,2cyclictest3046412-21kworker/u16:1+flush-8:022:25:164
2657191993129,2cyclictest2891408-21kworker/u16:2+events_unbound21:06:314
2657200993028,1cyclictest0-21swapper/721:37:427
2657200993024,5cyclictest2785848-21latency_hist20:12:247
2657200993024,5cyclictest2785848-21latency_hist20:12:247
2657191993028,2cyclictest3024421-21kworker/u16:4+events_unbound22:20:554
2657191993028,2cyclictest2903292-21kworker/u16:3+events_unbound21:28:364
2657197992926,2cyclictest2997968-21kworker/u16:0+flush-8:021:52:246
2657195992927,2cyclictest2718532-21kworker/u16:2+events_unbound19:45:315
2657191992927,2cyclictest3119952-21kworker/u16:3+events_unbound22:43:554
2657191992927,2cyclictest3022332-21kworker/u16:3+events_unbound22:00:164
2657191992927,2cyclictest2863170-21kworker/u16:0+events_unbound20:57:014
2657197992826,2cyclictest2637042-21kworker/u16:2+events_unbound19:22:476
2657197992825,2cyclictest2718532-21kworker/u16:2+events_unbound19:47:386
2657195992826,2cyclictest2795656-21kworker/u16:2+events_unbound20:28:315
2657195992826,2cyclictest2707751-21kworker/u16:3+events_unbound19:41:315
2657191992826,2cyclictest3094646-21kworker/u16:0+events_unbound22:36:534
2657191992826,2cyclictest2949669-21kworker/u16:1+events_unbound21:51:524
2657191992826,2cyclictest2891408-21kworker/u16:2+events_unbound21:25:484
2657191992826,2cyclictest2891408-21kworker/u16:2+events_unbound21:15:294
2657191992826,2cyclictest2833941-21kworker/u16:1+events_unbound21:08:294
2657191992826,2cyclictest2737871-21kworker/u16:4+events_unbound20:07:224
2657191992826,2cyclictest2619044-21kworker/u16:1+events_unbound19:33:554
265665322818,7sleep60-21swapper/619:03:456
2657195992725,2cyclictest2795656-21kworker/u16:2+events_unbound20:34:585
2657195992725,2cyclictest2671829-21kworker/u16:0+flush-8:019:51:315
2657191992725,2cyclictest2997968-21kworker/u16:0+events_unbound22:10:534
2657191992725,2cyclictest2949669-21kworker/u16:1+events_unbound21:44:114
2657191992725,2cyclictest2863170-21kworker/u16:0+events_unbound21:21:174
2657191992725,2cyclictest2737871-21kworker/u16:4+events_unbound20:23:424
2657191992725,2cyclictest2737871-21kworker/u16:4+events_unbound19:50:224
2657191992725,2cyclictest2707751-21kworker/u16:3+events_unbound19:42:224
2657195992624,2cyclictest2891408-21kworker/u16:2+events_unbound21:04:385
2657195992624,2cyclictest2766590-21kworker/u16:1+events_unbound20:11:335
2657195992624,2cyclictest2766590-21kworker/u16:1+events_unbound20:11:335
2657195992624,2cyclictest2707751-21kworker/u16:3+events_unbound19:34:505
2657191992624,2cyclictest2949669-21kworker/u16:1+events_unbound21:54:364
2657191992624,2cyclictest2863170-21kworker/u16:0+events_unbound21:33:204
2657191992624,2cyclictest2863170-21kworker/u16:0+events_unbound21:33:204
2657191992624,2cyclictest2795656-21kworker/u16:2+events_unbound20:29:434
2657200992524,0cyclictest0-21swapper/722:22:417
2657200992522,2cyclictest3262783-21ntp_states23:37:527
2657200992520,4cyclictest3133051-21latency_hist22:47:247
2657197992522,2cyclictest2776151-21kworker/u16:3+flush-8:021:02:246
2657195992523,2cyclictest2834395-21kworker/u16:4+events_unbound20:56:305
2657191992523,2cyclictest2949669-21kworker/u16:1+flush-8:021:39:424
2657200992419,4cyclictest3036472-21latency_hist22:07:247
265720099240,22cyclictest827-21dbus-daemon23:22:247
2657197992420,3cyclictest3325395-21kworker/u16:0+flush-8:000:27:236
2657191992422,2cyclictest2833941-21kworker/u16:1+flush-8:020:47:234
2657191992422,2cyclictest2795656-21kworker/u16:2+events_unbound20:36:474
2657191992422,2cyclictest2795656-21kworker/u16:2+events_unbound20:19:594
2657191992422,2cyclictest2766590-21kworker/u16:1+events_unbound20:02:234
2657191992422,2cyclictest2737871-21kworker/u16:4+flush-8:019:55:164
2657191992422,2cyclictest2657415-21kworker/u16:3+events_unbound19:11:434
2657195992321,2cyclictest2834395-21kworker/u16:4+events_unbound20:38:335
2657191992322,1cyclictest2776151-21kworker/u16:3+events_unbound20:51:504
2657191992321,2cyclictest3022332-21kworker/u16:3+events_unbound22:05:274
2657191992321,2cyclictest2737871-21kworker/u16:4+events_unbound20:09:434
2657191992321,2cyclictest2737871-21kworker/u16:4+events_unbound20:09:434
2657197992220,2cyclictest2833941-21kworker/u16:1+flush-8:021:02:496
2657197992220,2cyclictest2776151-21kworker/u16:3+events_unbound20:17:426
2657200992120,0cyclictest0-21swapper/720:42:467
2657200992120,0cyclictest0-21swapper/719:22:437
2657200992120,0cyclictest0-21swapper/719:12:437
2657197992118,2cyclictest3206822-21kworker/u16:3+flush-8:023:57:476
2657195992119,2cyclictest2718532-21kworker/u16:2+events_unbound20:02:535
2657195992119,2cyclictest2707751-21kworker/u16:3+events_unbound19:29:265
2657195992119,2cyclictest2671829-21kworker/u16:0+events_unbound19:16:515
2657195992119,2cyclictest2619044-21kworker/u16:1+events_unbound19:12:225
2657191992119,2cyclictest2776151-21kworker/u16:3+events_unbound20:15:534
2657191992119,2cyclictest2671829-21kworker/u16:0+events_unbound19:20:154
2657191992119,2cyclictest2637042-21kworker/u16:2+flush-8:019:17:234
2657200992019,0cyclictest0-21swapper/720:17:467
2657197992018,2cyclictest2891408-21kworker/u16:2+flush-8:021:12:426
2657195992018,2cyclictest2776151-21kworker/u16:3+events_unbound20:22:395
2657195992018,2cyclictest2671829-21kworker/u16:0+events_unbound20:01:275
2657195992018,2cyclictest2619044-21kworker/u16:1+events_unbound19:25:395
2657200991918,0cyclictest0-21swapper/721:02:507
2657200991913,5cyclictest3012322-21latency_hist21:57:247
2657195991917,2cyclictest2776151-21kworker/u16:3+events_unbound20:51:425
2657191991917,2cyclictest2833941-21kworker/u16:1+events_unbound20:41:384
2657200991817,0cyclictest0-21swapper/720:22:437
2657200991816,1cyclictest0-21swapper/723:27:307
2657200991813,4cyclictest2939919-21latency_hist21:27:247
2657195991816,2cyclictest2795656-21kworker/u16:2+events_unbound20:22:235
2657195991816,2cyclictest2766590-21kworker/u16:1+events_unbound20:13:475
2657195991816,2cyclictest2671829-21kworker/u16:0+events_unbound19:19:395
265720099170,15cyclictest3335562-21switchtime00:07:577
265720099165,10cyclictest1234-21snmpd22:31:277
2657200991615,0cyclictest0-21swapper/720:12:517
2657200991615,0cyclictest0-21swapper/719:37:547
2657200991614,1cyclictest0-21swapper/719:47:497
2657200991613,2cyclictest3316557-21kthreadcore00:02:427
2657200991613,2cyclictest1234-21snmpd21:59:537
265720099160,15cyclictest1234-21snmpd20:37:007
265720099160,14cyclictest3057553-21ssh22:12:487
265720099160,14cyclictest3057553-21ssh22:12:487
265720099160,14cyclictest2961157-21ssh21:32:517
265720099160,14cyclictest2961157-21ssh21:32:517
265720099160,14cyclictest0-21swapper/722:07:477
265719799160,16cyclictest0-21swapper/620:42:476
2657200991513,1cyclictest0-21swapper/723:42:537
2657200991512,2cyclictest1234-21snmpd22:47:317
2657200991512,2cyclictest1234-21snmpd19:20:437
2657200991511,3cyclictest1234-21snmpd22:37:397
2657191991513,2cyclictest2863170-21kworker/u16:0+events_unbound21:00:014
265720099149,4cyclictest2766632-21latency_hist20:02:247
2657200991412,1cyclictest3193429-21latency_hist23:12:247
2657197991413,1cyclictest0-21swapper/620:32:416
2657197991413,1cyclictest0-21swapper/600:13:536
2657197991412,2cyclictest3325395-21kworker/u16:0+flush-8:000:27:346
2657197991410,3cyclictest3061923-21cat22:17:406
265719799140,1cyclictest0-21swapper/621:22:026
265719799140,1cyclictest0-21swapper/621:10:226
265719799140,14cyclictest0-21swapper/623:55:366
265719799140,14cyclictest0-21swapper/623:03:536
265719799140,14cyclictest0-21swapper/622:35:596
265720099139,3cyclictest1234-21snmpd23:47:277
265720099139,3cyclictest1234-21snmpd23:34:267
265720099139,3cyclictest1234-21snmpd00:22:287
265720099139,3cyclictest1234-21snmpd00:02:217
265720099139,3cyclictest0-21swapper/722:57:387
265720099138,4cyclictest3181400-21latency_hist23:07:247
265720099138,3cyclictest3347398-21ntp_states00:12:547
2657200991312,0cyclictest0-21swapper/719:32:397
2657200991310,2cyclictest1234-21snmpd19:54:327
265720099130,12cyclictest1234-21snmpd00:19:277
265720099130,12cyclictest1234-21snmpd00:19:277
2657197991312,1cyclictest0-21swapper/623:17:366
2657197991312,1cyclictest0-21swapper/622:54:256
2657197991312,1cyclictest0-21swapper/621:58:376
2657197991312,1cyclictest0-21swapper/621:36:326
2657197991312,1cyclictest0-21swapper/621:36:326
2657197991312,1cyclictest0-21swapper/621:29:086
2657197991311,2cyclictest2834395-21kworker/u16:4+flush-8:020:52:476
2657197991311,2cyclictest2776151-21kworker/u16:3+flush-8:020:47:526
2657197991311,2cyclictest2671829-21kworker/u16:0+flush-8:019:57:496
2657197991310,3cyclictest2619044-21kworker/u16:1+flush-8:019:37:506
265719799130,0cyclictest0-21swapper/600:32:396
265720099129,2cyclictest1234-21snmpd21:44:267
265720099129,2cyclictest1234-21snmpd20:05:057
265720099129,2cyclictest0-21swapper/722:52:497
265720099129,2cyclictest0-21swapper/722:32:517
265720099128,3cyclictest1234-21snmpd23:15:357
265720099128,3cyclictest1234-21snmpd20:54:197
265720099128,3cyclictest1234-21snmpd19:07:587
265720099127,4cyclictest6382-21gvfs-afc-volume21:13:117
265720099127,4cyclictest6382-21gvfs-afc-volume20:27:477
265720099126,5cyclictest6382-21gvfs-afc-volume20:47:517
2657200991211,1cyclictest0-21swapper/721:49:007
265719799129,2cyclictest2637042-21kworker/u16:2+flush-8:019:17:356
265719799128,3cyclictest2977417-21cat21:42:426
2657197991211,1cyclictest0-21swapper/623:48:586
2657197991211,1cyclictest0-21swapper/622:40:246
2657197991211,1cyclictest0-21swapper/622:12:396
2657197991211,1cyclictest0-21swapper/622:12:396
2657197991211,1cyclictest0-21swapper/621:25:306
2657197991210,2cyclictest3206822-21kworker/u16:3+events_unbound23:32:236
265719799120,4cyclictest2784889-21ntpq20:07:466
265719799120,4cyclictest2784889-21ntpq20:07:466
265719799120,1cyclictest0-21swapper/622:23:316
265720099119,1cyclictest0-21swapper/700:32:577
265720099117,3cyclictest5975-21gmain21:20:217
265720099116,4cyclictest6382-21gvfs-afc-volume20:37:397
265720099116,3cyclictest0-21swapper/723:22:357
265720099115,5cyclictest6382-21gvfs-afc-volume21:29:287
265719799119,2cyclictest2776151-21kworker/u16:3+flush-8:020:37:476
265719799119,2cyclictest2637042-21kworker/u16:2+flush-8:019:07:496
2657197991110,1cyclictest0-21swapper/623:13:026
2657197991110,1cyclictest0-21swapper/623:08:276
2657197991110,1cyclictest0-21swapper/622:44:586
265719799110,11cyclictest0-21swapper/622:09:116
265720099106,3cyclictest1234-21snmpd19:30:107
265720099106,3cyclictest0-21swapper/720:57:447
265719799109,1cyclictest0-21swapper/622:31:156
265719799109,1cyclictest0-21swapper/620:27:296
265719799109,1cyclictest0-21swapper/620:17:246
265719799109,1cyclictest0-21swapper/619:31:506
265719799109,1cyclictest0-21swapper/600:07:446
265719799108,2cyclictest86-21ksoftirqd/622:47:406
265719799100,3cyclictest3025730-21ip_192.168.114.22:02:416
26572009996,2cyclictest3067975-21ssh22:17:457
26571979997,2cyclictest86-21ksoftirqd/623:38:596
26571979997,2cyclictest86-21ksoftirqd/623:33:286
26571979997,2cyclictest86-21ksoftirqd/623:24:306
26571979997,2cyclictest86-21ksoftirqd/622:58:076
26571979997,1cyclictest2709274-21/usr/sbin/munin19:32:526
26571979994,4cyclictest2750179-21cut19:52:436
26571979990,8cyclictest2964629-21cpuspeed_turbos21:37:366
26571979990,8cyclictest0-21swapper/619:42:386
26571979990,3cyclictest2807475-21kthreadcore20:22:416
26571979990,2cyclictest2769455-21kthreadcore20:02:436
26571979986,2cyclictest86-21ksoftirqd/623:43:576
26571979986,2cyclictest86-21ksoftirqd/600:03:456
26571979980,7cyclictest0-21swapper/619:12:286
26571979975,2cyclictest86-21ksoftirqd/600:17:546
26571979975,2cyclictest86-21ksoftirqd/600:17:546
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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