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2026-05-24 - 22:51
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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 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
121694525948,7sleep40-21swapper/407:02:254
1226437994644,2cyclictest1785101-21kworker/u16:0+events_unbound11:37:524
1226437994239,2cyclictest1873036-21kworker/u16:4+events_unbound12:17:244
1226437994139,2cyclictest1277164-21kworker/u16:0+flush-8:008:17:224
12259752411,35sleep70-21swapper/707:05:017
122585224130,8sleep50-21swapper/507:03:155
1226437994037,3cyclictest1931920-21kworker/u16:0+flush-8:012:32:224
1226437993937,2cyclictest1506264-21kworker/u16:3+events_unbound10:17:054
1226437993835,2cyclictest1785101-21kworker/u16:0+events_unbound11:49:044
1226449993735,2cyclictest1664145-21kworker/u16:0+events_unbound10:30:566
1226449993735,2cyclictest1422656-21kworker/u16:3+events_unbound09:10:446
1226437993735,2cyclictest1664145-21kworker/u16:0+events_unbound10:46:284
1226449993634,2cyclictest1848044-21kworker/u16:1+events_unbound11:58:446
1226449993634,2cyclictest1519087-21kworker/u16:0+events_unbound09:43:566
1226449993634,2cyclictest1506264-21kworker/u16:3+events_unbound10:36:406
1226449993634,2cyclictest1451073-21kworker/u16:1+flush-8:009:24:036
1226449993634,2cyclictest1354771-21kworker/u16:2+flush-8:009:18:156
1226449993533,2cyclictest1931920-21kworker/u16:0+events_unbound12:32:236
1226449993533,2cyclictest1737918-21kworker/u16:5+events_unbound11:37:466
1226449993533,2cyclictest1737918-21kworker/u16:5+events_unbound11:22:006
1226449993533,2cyclictest1715920-21kworker/u16:2+events_unbound10:53:366
1226449993533,2cyclictest1664145-21kworker/u16:0+events_unbound11:10:076
1226449993533,2cyclictest1506264-21kworker/u16:3+events_unbound09:55:456
1226449993533,2cyclictest1473030-21kworker/u16:4+events_unbound09:33:406
1226437993533,2cyclictest1848628-21kworker/u16:2+flush-8:012:02:434
1226449993432,2cyclictest1931920-21kworker/u16:0+events_unbound12:20:596
1226449993432,2cyclictest1567625-21kworker/u16:1+flush-8:009:48:076
1226437993432,2cyclictest1664145-21kworker/u16:0+events_unbound10:58:564
1226450993331,1cyclictest1461015-21diskmemload10:08:277
1226450993331,1cyclictest1461015-21diskmemload10:08:277
1226449993331,2cyclictest1931920-21kworker/u16:0+flush-8:012:29:436
1226449993331,2cyclictest1690450-21kworker/u16:1+flush-8:010:45:286
1226449993331,2cyclictest1306782-21kworker/u16:1+flush-8:008:07:006
122645099320,30cyclictest1727568-21latency_hist10:57:227
1226449993230,2cyclictest1751986-21kworker/u16:2+events_unbound11:34:116
1226449993230,2cyclictest1642188-21kworker/u16:4+events_unbound11:03:426
1226445993229,3cyclictest1259332-21kworker/u16:3+events_unbound07:27:455
1226437993230,2cyclictest1785101-21kworker/u16:0+events_unbound11:27:504
1226437993230,2cyclictest1785101-21kworker/u16:0+events_unbound11:27:504
1226450993129,1cyclictest0-21swapper/712:12:587
1226449993129,2cyclictest1873036-21kworker/u16:4+events_unbound12:26:556
1226449993129,2cyclictest1737918-21kworker/u16:5+events_unbound11:12:596
1226449993129,2cyclictest1519087-21kworker/u16:0+events_unbound09:38:436
1226449993129,2cyclictest1307392-21kworker/u16:5+flush-8:007:48:406
1226437993129,2cyclictest1751986-21kworker/u16:2+events_unbound11:17:034
1226437993129,2cyclictest1737918-21kworker/u16:5+events_unbound11:35:084
12260502318,7sleep60-21swapper/607:06:046
1226449993028,2cyclictest1848044-21kworker/u16:1+events_unbound12:14:506
1226449993028,2cyclictest1737918-21kworker/u16:5+events_unbound11:24:486
1226449993028,2cyclictest1594732-21kworker/u16:2+flush-8:010:09:486
1226449993028,2cyclictest1594732-21kworker/u16:2+flush-8:010:09:486
1226449993028,2cyclictest1592121-21kworker/u16:1+events_unbound09:58:356
1226449993028,2cyclictest1402913-21kworker/u16:4+events_unbound08:49:406
1226449993028,2cyclictest1259332-21kworker/u16:3+events_unbound07:25:536
1226450992928,0cyclictest0-21swapper/712:23:307
1226450992926,2cyclictest1581614-21ssh09:56:197
1226449992927,2cyclictest1848044-21kworker/u16:1+events_unbound12:03:126
1226449992927,2cyclictest1592121-21kworker/u16:1+events_unbound10:15:476
1226449992927,2cyclictest1506264-21kworker/u16:3+flush-8:010:50:596
1226449992927,2cyclictest1506264-21kworker/u16:3+flush-8:010:50:596
1226449992927,2cyclictest1277164-21kworker/u16:0+events_unbound08:09:526
1226449992927,2cyclictest1259332-21kworker/u16:3+flush-8:008:13:406
1226449992927,2cyclictest1187542-21kworker/u16:0+events_unbound07:09:406
1226445992927,2cyclictest1751986-21kworker/u16:2+events_unbound11:32:375
1226445992926,2cyclictest1751986-21kworker/u16:2+flush-8:011:17:395
1226450992827,0cyclictest0-21swapper/712:28:157
1226450992827,0cyclictest0-21swapper/711:03:017
1226450992827,0cyclictest0-21swapper/711:00:387
1226450992827,0cyclictest0-21swapper/709:03:527
1226449992826,2cyclictest1785101-21kworker/u16:0+events_unbound11:50:246
1226449992826,2cyclictest1594732-21kworker/u16:2+flush-8:010:22:276
1226449992826,2cyclictest1393340-21kworker/u16:1+events_unbound08:45:326
1226449992826,2cyclictest1277164-21kworker/u16:0+events_unbound09:15:356
1226449992826,2cyclictest1259332-21kworker/u16:3+flush-8:007:53:526
1226445992826,2cyclictest1826736-21kworker/u16:3+flush-8:011:47:475
1226445992826,2cyclictest1826736-21kworker/u16:3+events_unbound11:42:515
1226437992826,2cyclictest1354771-21kworker/u16:2+events_unbound09:08:554
1226437992825,2cyclictest1519087-21kworker/u16:0+flush-8:009:32:324
1226450992725,1cyclictest1629310-21ssh10:14:457
1226450992725,1cyclictest0-21swapper/709:36:387
1226449992725,2cyclictest1848628-21kworker/u16:2+events_unbound11:56:416
1226449992725,2cyclictest1751986-21kworker/u16:2+events_unbound11:27:526
1226449992725,2cyclictest1751986-21kworker/u16:2+events_unbound11:27:526
1226449992725,2cyclictest1506264-21kworker/u16:3+events_unbound10:19:496
1226449992725,2cyclictest1451073-21kworker/u16:1+events_unbound09:29:596
1226445992726,1cyclictest1402913-21kworker/u16:4+flush-8:008:47:225
1226445992721,5cyclictest1751986-21kworker/u16:2+events_unbound11:12:395
1226437992725,2cyclictest1945524-21kworker/u16:3+events_unbound12:37:224
1226450992625,0cyclictest0-21swapper/712:04:507
1226450992625,0cyclictest0-21swapper/710:38:217
1226450992625,0cyclictest0-21swapper/709:22:017
1226450992625,0cyclictest0-21swapper/708:59:397
1226450992625,0cyclictest0-21swapper/708:18:497
1226450992625,0cyclictest0-21swapper/708:16:527
1226450992625,0cyclictest0-21swapper/708:09:447
1226449992624,2cyclictest1848628-21kworker/u16:2+events_unbound12:09:296
1226449992624,2cyclictest1848628-21kworker/u16:2+events_unbound12:09:296
1226449992624,2cyclictest1432248-21kworker/u16:5+events_unbound08:52:556
1226449992624,2cyclictest1432248-21kworker/u16:5+events_unbound08:52:556
1226449992624,2cyclictest1354771-21kworker/u16:2+events_unbound08:28:126
1226449992624,2cyclictest1259332-21kworker/u16:3+events_unbound08:22:126
1226437992624,2cyclictest1506264-21kworker/u16:3+flush-8:009:57:434
1226437992624,2cyclictest1506264-21kworker/u16:3+events_unbound09:51:564
1226437992624,2cyclictest1354771-21kworker/u16:2+flush-8:008:27:224
1226437992623,2cyclictest1785101-21kworker/u16:0+events_unbound11:22:414
1226437992623,2cyclictest1519087-21kworker/u16:0+events_unbound10:17:424
1226450992524,0cyclictest0-21swapper/711:48:297
1226450992524,0cyclictest0-21swapper/710:26:597
1226450992524,0cyclictest0-21swapper/708:38:047
1226450992524,0cyclictest0-21swapper/707:59:447
1226450992523,1cyclictest0-21swapper/710:36:477
1226449992523,2cyclictest1354771-21kworker/u16:2+events_unbound08:26:526
1226449992523,2cyclictest1259332-21kworker/u16:3+flush-8:008:32:416
1226449992523,2cyclictest1197163-21kworker/u16:2+flush-8:007:41:406
1226437992523,2cyclictest1873036-21kworker/u16:4+events_unbound12:01:524
1226437992523,2cyclictest1690450-21kworker/u16:1+events_unbound11:18:314
1226437992523,2cyclictest1506264-21kworker/u16:3+events_unbound09:37:234
1226437992523,2cyclictest1277164-21kworker/u16:0+flush-8:008:57:424
1226450992423,0cyclictest0-21swapper/710:49:307
1226450992423,0cyclictest0-21swapper/710:49:307
1226450992423,0cyclictest0-21swapper/709:41:377
1226450992423,0cyclictest0-21swapper/709:24:157
1226450992423,0cyclictest0-21swapper/708:54:517
1226450992423,0cyclictest0-21swapper/708:54:517
1226450992423,0cyclictest0-21swapper/708:29:117
1226449992422,2cyclictest1664145-21kworker/u16:0+events_unbound10:58:256
1226449992422,2cyclictest1422656-21kworker/u16:3+flush-8:008:58:286
1226449992422,2cyclictest1402913-21kworker/u16:4+flush-8:008:42:206
1226445992422,2cyclictest1451073-21kworker/u16:1+events_unbound09:32:365
1226437992422,2cyclictest1848628-21kworker/u16:2+events_unbound11:52:274
1226437992422,2cyclictest1506264-21kworker/u16:3+events_unbound10:37:444
1226437992422,2cyclictest1473030-21kworker/u16:4+events_unbound09:44:314
1226437992422,2cyclictest1277164-21kworker/u16:0+flush-8:009:12:324
1226450992322,0cyclictest0-21swapper/710:07:137
1226450992322,0cyclictest0-21swapper/709:43:547
1226450992322,0cyclictest0-21swapper/708:44:007
1226450992322,0cyclictest0-21swapper/707:44:007
1226450992322,0cyclictest0-21swapper/707:15:487
1226449992321,2cyclictest1277164-21kworker/u16:0+events_unbound07:28:416
1226449992321,2cyclictest1259332-21kworker/u16:3+events_unbound07:35:326
1226445992321,2cyclictest1873036-21kworker/u16:4+events_unbound12:22:515
1226445992321,2cyclictest1277164-21kworker/u16:0+events_unbound09:12:515
1226445992321,2cyclictest1277164-21kworker/u16:0+events_unbound08:37:375
1226445992320,2cyclictest1873036-21kworker/u16:4+flush-8:011:57:395
1226437992321,2cyclictest1594732-21kworker/u16:2+events_unbound10:31:524
1226437992321,2cyclictest1519087-21kworker/u16:0+flush-8:010:07:174
1226437992321,2cyclictest1277164-21kworker/u16:0+flush-8:009:17:344
1226450992221,0cyclictest0-21swapper/711:45:177
1226450992221,0cyclictest0-21swapper/710:28:107
1226450992221,0cyclictest0-21swapper/710:19:117
1226450992221,0cyclictest0-21swapper/707:53:057
1226450992220,1cyclictest1824025-21ssh11:36:347
1226449992220,2cyclictest1664145-21kworker/u16:0+flush-8:010:40:416
1226445992220,2cyclictest1642188-21kworker/u16:4+flush-8:010:37:375
1226437992220,2cyclictest1873036-21kworker/u16:4+flush-8:012:26:074
1226437992220,2cyclictest1715920-21kworker/u16:2+events_unbound10:55:254
1226437992220,2cyclictest1451073-21kworker/u16:1+events_unbound09:30:014
1226450992120,0cyclictest0-21swapper/709:47:587
1226450992120,0cyclictest0-21swapper/709:28:507
1226450992120,0cyclictest0-21swapper/708:48:167
1226450992120,0cyclictest0-21swapper/708:04:007
1226450992120,0cyclictest0-21swapper/707:38:247
1226450992120,0cyclictest0-21swapper/707:26:547
1226450992119,1cyclictest0-21swapper/711:27:057
1226449992119,2cyclictest1277164-21kworker/u16:0+events_unbound07:59:286
1226445992119,2cyclictest1715920-21kworker/u16:2+events_unbound10:58:455
1226445992119,2cyclictest1473030-21kworker/u16:4+events_unbound09:17:485
1226445992118,2cyclictest1277164-21kworker/u16:0+events_unbound08:02:365
1226437992119,2cyclictest1848628-21kworker/u16:2+flush-8:012:07:554
1226437992119,2cyclictest1848628-21kworker/u16:2+flush-8:012:07:554
1226437992119,2cyclictest1664145-21kworker/u16:0+events_unbound11:06:044
1226437992119,2cyclictest1226040-21kworker/u16:1+events_unbound07:17:374
1226437992119,2cyclictest1226040-21kworker/u16:1+events_unbound07:17:374
1226437992118,2cyclictest1259332-21kworker/u16:3+events_unbound07:27:434
1226437992118,2cyclictest1226040-21kworker/u16:1+flush-8:007:32:374
1226450992019,0cyclictest0-21swapper/712:11:157
1226450992019,0cyclictest0-21swapper/712:11:157
1226450992019,0cyclictest0-21swapper/712:02:067
1226450992019,0cyclictest0-21swapper/711:32:067
1226450992019,0cyclictest0-21swapper/711:32:067
1226450992019,0cyclictest0-21swapper/711:18:507
1226450992019,0cyclictest0-21swapper/711:07:567
1226449992018,2cyclictest1592121-21kworker/u16:1+flush-8:010:04:156
1226449992018,2cyclictest1197163-21kworker/u16:2+events_unbound07:16:526
1226445992018,2cyclictest1592121-21kworker/u16:1+events_unbound10:07:365
1226445992018,2cyclictest1592121-21kworker/u16:1+events_unbound10:07:365
1226437992018,2cyclictest1473030-21kworker/u16:4+events_unbound09:26:324
1226437992017,3cyclictest1785101-21kworker/u16:0+events_unbound11:46:204
1226450991918,0cyclictest0-21swapper/712:34:347
1226450991918,0cyclictest0-21swapper/707:29:177
1226450991918,0cyclictest0-21swapper/707:20:377
1226450991918,0cyclictest0-21swapper/707:20:377
122645099190,17cyclictest1930928-21sshd-session12:17:577
1226449991917,2cyclictest1187542-21kworker/u16:0+events_unbound07:22:116
1226449991917,2cyclictest1187542-21kworker/u16:0+events_unbound07:22:116
1226445991917,2cyclictest1690450-21kworker/u16:1+flush-8:011:02:375
1226437991917,2cyclictest1306782-21kworker/u16:1+events_unbound08:07:434
1226450991817,0cyclictest0-21swapper/709:08:097
1226449991816,2cyclictest1826736-21kworker/u16:3+flush-8:011:42:546
1226445991815,3cyclictest1592121-21kworker/u16:1+flush-8:010:22:395
1226437991816,2cyclictest1506264-21kworker/u16:3+events_unbound10:51:194
1226437991816,2cyclictest1506264-21kworker/u16:3+events_unbound10:51:194
1226437991816,2cyclictest1277164-21kworker/u16:0+flush-8:008:17:354
1226437991815,2cyclictest1422656-21kworker/u16:3+flush-8:008:47:424
1226450991711,5cyclictest1872835-21latency_hist11:57:227
1226449991715,2cyclictest1451073-21kworker/u16:1+events_unbound09:04:256
1226449991715,2cyclictest1259332-21kworker/u16:3+events_unbound07:44:166
1226437991715,2cyclictest1402913-21kworker/u16:4+flush-8:008:52:244
1226437991715,2cyclictest1402913-21kworker/u16:4+flush-8:008:52:244
1226450991615,0cyclictest0-21swapper/708:37:197
1226445991614,2cyclictest1519087-21kworker/u16:0+flush-8:009:47:475
1226445991614,2cyclictest1277164-21kworker/u16:0+flush-8:007:47:385
1226437991614,2cyclictest1751986-21kworker/u16:2+events_unbound11:08:314
1226450991514,0cyclictest0-21swapper/711:12:457
1226450991514,0cyclictest0-21swapper/707:35:187
1226445991513,2cyclictest1848628-21kworker/u16:2+flush-8:012:07:335
1226445991513,2cyclictest1848628-21kworker/u16:2+flush-8:012:07:335
1226445991513,2cyclictest1594732-21kworker/u16:2+events_unbound10:32:455
1226437991513,2cyclictest1848044-21kworker/u16:1+events_unbound12:17:204
1226437991513,2cyclictest1594732-21kworker/u16:2+flush-8:010:12:164
1226437991513,2cyclictest1594732-21kworker/u16:2+flush-8:010:12:164
1226437991513,2cyclictest1506264-21kworker/u16:3+events_unbound10:37:174
1226437991513,2cyclictest1226040-21kworker/u16:1+flush-8:007:07:444
122643799150,1cyclictest0-21swapper/409:02:374
122645099146,7cyclictest6382-21gvfs-afc-volume08:22:367
1226445991413,1cyclictest1506264-21kworker/u16:3+flush-8:009:57:365
1226445991413,1cyclictest0-21swapper/511:38:295
1226445991413,1cyclictest0-21swapper/510:55:365
1226445991413,1cyclictest0-21swapper/510:47:055
1226445991412,2cyclictest1592121-21kworker/u16:1+flush-8:010:02:485
1226445991411,2cyclictest1393340-21kworker/u16:1+events_unbound08:32:365
1226445991410,3cyclictest1226040-21kworker/u16:1+flush-8:007:17:225
122644599140,1cyclictest0-21swapper/512:16:385
122644599140,1cyclictest0-21swapper/510:29:455
122645099139,3cyclictest1234-21snmpd09:16:247
1226445991312,1cyclictest0-21swapper/512:31:275
1226445991312,1cyclictest0-21swapper/511:53:375
1226445991312,1cyclictest0-21swapper/510:21:525
1226445991312,1cyclictest0-21swapper/509:28:445
1226445991311,2cyclictest1259332-21kworker/u16:3+flush-8:007:22:485
122644599130,6cyclictest0-21swapper/512:17:375
122644599130,13cyclictest0-21swapper/510:13:595
122644599130,0cyclictest0-21swapper/511:30:265
122644599130,0cyclictest0-21swapper/511:30:265
1226437991311,2cyclictest1594732-21kworker/u16:2+flush-8:010:24:234
1226437991311,2cyclictest1197163-21kworker/u16:2+flush-8:007:37:494
122645099128,3cyclictest1234-21snmpd11:40:587
1226450991211,0cyclictest0-21swapper/707:48:067
122644599129,3cyclictest1422656-21kworker/u16:3+events_unbound08:52:515
122644599129,3cyclictest1422656-21kworker/u16:3+events_unbound08:52:515
1226445991211,1cyclictest0-21swapper/509:03:405
1226445991210,2cyclictest1187542-21kworker/u16:0+flush-8:007:07:505
122644599120,5cyclictest0-21swapper/507:57:285
1226437991210,2cyclictest1473030-21kworker/u16:4+flush-8:009:53:114
1226437991210,2cyclictest1393340-21kworker/u16:1+flush-8:008:37:494
1226437991210,2cyclictest1393340-21kworker/u16:1+events_unbound08:32:404
1226437991210,2cyclictest1277164-21kworker/u16:0+flush-8:008:02:394
122645099117,3cyclictest6382-21gvfs-afc-volume07:07:427
122645099110,10cyclictest1234-21snmpd10:46:297
122644599119,2cyclictest1392580-21needreboot08:27:425
122644599118,3cyclictest1519087-21kworker/u16:0+flush-8:009:42:445
1226445991110,1cyclictest0-21swapper/508:51:415
1226445991110,1cyclictest0-21swapper/508:15:065
122644599110,8cyclictest0-21swapper/507:52:425
122643799119,2cyclictest1354771-21kworker/u16:2+flush-8:008:27:384
1226437991110,1cyclictest0-21swapper/407:51:124
122645099105,4cyclictest1594347-21latency_hist10:02:227
122644599108,2cyclictest1197163-21kworker/u16:2+flush-8:007:42:365
122644599107,2cyclictest1503378-21kthreadcore09:22:425
122644599100,4cyclictest1542731-21ntpq09:37:475
12264379996,2cyclictest1421624-21pmu-power08:42:484
12264459986,2cyclictest1785101-21kworker/u16:0+flush-8:012:02:515
12264459984,3cyclictest1251140-21grep07:17:395
12264459984,3cyclictest1251140-21grep07:17:395
12264459983,4cyclictest1966733-21rt-features12:32:475
12264459983,4cyclictest1463762-21cut09:07:395
12264459983,2cyclictest1351613-21kthreadcore08:07:425
12264459980,2cyclictest1760399-21cut11:07:445
12264379986,2cyclictest1277164-21kworker/u16:0+events_unbound07:52:484
12264379986,1cyclictest0-21swapper/407:57:424
12264379986,1cyclictest0-21swapper/407:12:414
12264379983,4cyclictest1260282-21sed07:22:394
12264459975,1cyclictest0-21swapper/511:22:365
12264459975,1cyclictest0-21swapper/507:37:345
12264459974,2cyclictest1571369-21interrupts09:52:385
12264459973,3cyclictest1376126-21cut08:22:415
12264459972,4cyclictest1704616-21grep10:47:365
12264459972,4cyclictest1704616-21grep10:47:365
12264459972,4cyclictest1442318-21expr08:57:365
12264459972,4cyclictest1367178-21kthreadcore08:17:405
12264459972,4cyclictest1279582-21cut07:32:395
12264379972,4cyclictest1302170-21cut07:42:414
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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