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2026-01-07 - 14:54
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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 Wed Jan 07, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
188015825241,8sleep60-21swapper/607:06:306
188024324721,8sleep50-21swapper/507:07:415
18802542417,30sleep70-21swapper/707:07:517
188022223927,8sleep40-21swapper/407:07:244
1880579993634,2cyclictest2030070-21kworker/u16:0+events_unbound08:33:186
1880567993532,2cyclictest1971609-21kworker/u16:3+events_unbound07:58:174
1880579993331,2cyclictest2020032-21kworker/u16:1+events_unbound08:43:476
1880579993230,2cyclictest2020032-21kworker/u16:1+events_unbound09:18:116
1880579993230,2cyclictest1999831-21kworker/u16:6+events_unbound10:43:186
1880579993230,2cyclictest1999831-21kworker/u16:6+events_unbound10:43:186
1880581993130,0cyclictest0-21swapper/710:53:187
1880579993129,2cyclictest2361381-21kworker/u16:1+flush-8:011:48:316
1880576993129,2cyclictest2325080-21kworker/u16:3+flush-8:010:58:165
1880581993029,0cyclictest0-21swapper/708:15:277
1880581993024,5cyclictest2388271-21latency_hist11:28:167
1880579993027,2cyclictest1613916-21kworker/u16:3+flush-8:007:28:186
1880579992927,2cyclictest2500059-21kworker/u16:1+flush-8:012:28:396
1880579992927,2cyclictest2272085-21kworker/u16:0+flush-8:011:16:146
1880579992927,2cyclictest2020032-21kworker/u16:1+events_unbound08:56:516
1880579992927,2cyclictest1951945-21kworker/u16:2+events_unbound08:26:476
1880581992827,0cyclictest0-21swapper/707:35:317
1880581992827,0cyclictest0-21swapper/707:35:317
1880576992826,2cyclictest2325080-21kworker/u16:3+flush-8:011:03:165
1880576992825,2cyclictest2451964-21kworker/u16:3+flush-8:012:13:315
1880567992826,2cyclictest1951945-21kworker/u16:2+events_unbound07:43:304
1880581992726,0cyclictest0-21swapper/707:08:197
1880579992725,2cyclictest2030070-21kworker/u16:0+events_unbound09:39:236
1880579992725,2cyclictest2030070-21kworker/u16:0+events_unbound08:51:276
1880579992724,2cyclictest2456523-21kworker/u16:4+events_unbound12:18:286
1880579992724,2cyclictest2272085-21kworker/u16:0+events_unbound10:28:176
1880579992724,2cyclictest1999831-21kworker/u16:6+flush-8:009:18:266
1880567992725,2cyclictest2361381-21kworker/u16:1+events_unbound11:28:304
1880579992624,2cyclictest2475939-21kworker/u16:0+flush-8:012:33:436
1880579992624,2cyclictest2272085-21kworker/u16:0+events_unbound11:10:106
1880579992624,2cyclictest1912945-21kworker/u16:1+events_unbound07:50:326
1880579992624,2cyclictest1912945-21kworker/u16:1+events_unbound07:45:316
1880579992623,2cyclictest2456523-21kworker/u16:4+events_unbound12:23:176
1880576992624,2cyclictest2165471-21kworker/u16:1+flush-8:009:33:425
1880576992624,2cyclictest2030070-21kworker/u16:0+events_unbound08:58:295
1880581992525,0cyclictest0-21swapper/711:41:227
1880581992524,0cyclictest0-21swapper/710:39:237
1880581992524,0cyclictest0-21swapper/710:23:347
1880579992523,2cyclictest2378843-21kworker/u16:2+flush-8:011:53:376
1880579992523,2cyclictest2378843-21kworker/u16:2+events_unbound11:36:276
1880579992523,2cyclictest2378843-21kworker/u16:2+events_unbound11:36:276
1880579992523,2cyclictest2234488-21kworker/u16:1+events_unbound10:08:386
1880579992523,2cyclictest2176363-21kworker/u16:2+events_unbound09:48:466
1880579992523,2cyclictest1999831-21kworker/u16:6+events_unbound09:43:516
1880567992523,2cyclictest2020032-21kworker/u16:1+events_unbound08:48:314
1880581992423,0cyclictest0-21swapper/710:37:227
1880579992422,2cyclictest2234488-21kworker/u16:1+flush-8:010:23:226
1880579992422,2cyclictest1999831-21kworker/u16:6+flush-8:009:33:166
1880576992423,1cyclictest2176363-21kworker/u16:2+flush-8:010:08:165
1880576992421,2cyclictest1999831-21kworker/u16:6+events_unbound09:38:295
1880581992322,0cyclictest0-21swapper/710:49:277
1880581992322,0cyclictest0-21swapper/708:43:267
188058199230,21cyclictest2482574-21grep12:13:377
1880579992321,2cyclictest2451964-21kworker/u16:3+events_unbound11:59:176
1880579992321,2cyclictest2378843-21kworker/u16:2+events_unbound11:39:276
1880579992321,2cyclictest2113997-21kworker/u16:3+events_unbound09:06:356
1880579992321,2cyclictest2113997-21kworker/u16:3+events_unbound09:06:356
1880579992321,2cyclictest1912945-21kworker/u16:1+events_unbound07:53:506
1880576992321,2cyclictest2030070-21kworker/u16:0+events_unbound08:38:335
1880576992320,2cyclictest2176363-21kworker/u16:2+events_unbound09:58:345
1880576992320,2cyclictest1999831-21kworker/u16:6+flush-8:008:18:395
1880576992320,2cyclictest1951945-21kworker/u16:2+flush-8:008:23:355
1880581992221,0cyclictest0-21swapper/710:14:547
1880581992221,0cyclictest0-21swapper/708:49:317
188058199220,20cyclictest2514516-21cat12:33:167
1880579992220,2cyclictest2378843-21kworker/u16:2+events_unbound12:12:276
1880579992220,2cyclictest2320656-21kworker/u16:2+events_unbound11:01:546
1880579992220,2cyclictest2234488-21kworker/u16:1+flush-8:010:53:346
1880579992220,2cyclictest2234488-21kworker/u16:1+events_unbound10:16:456
1880579992220,2cyclictest2210049-21kworker/u16:1+events_unbound10:01:286
1880579992220,2cyclictest1999831-21kworker/u16:6+events_unbound09:58:076
1880576992220,2cyclictest2176363-21kworker/u16:2+flush-8:009:53:115
1880567992220,2cyclictest2068101-21kworker/u16:2+events_unbound08:43:304
1880581992120,0cyclictest0-21swapper/709:11:347
1880581992120,0cyclictest0-21swapper/709:11:347
1880581992120,0cyclictest0-21swapper/708:37:267
1880581992119,1cyclictest1900890-21kthreadcore07:13:387
1880579992119,2cyclictest2361381-21kworker/u16:1+events_unbound11:47:226
1880579992119,2cyclictest2165471-21kworker/u16:1+events_unbound09:38:036
1880579992119,2cyclictest2030070-21kworker/u16:0+events_unbound09:23:456
1880576992119,2cyclictest2020032-21kworker/u16:1+events_unbound09:18:375
1880576992119,2cyclictest1912945-21kworker/u16:1+events_unbound07:28:435
1880576992118,2cyclictest1999831-21kworker/u16:6+events_unbound11:13:295
1880581992020,0cyclictest0-21swapper/707:47:217
1880579992018,2cyclictest1999831-21kworker/u16:6+events_unbound11:04:306
1880579992018,2cyclictest1981427-21kworker/u16:4+events_unbound08:01:466
1880579992018,2cyclictest1890136-21kworker/u16:0+events_unbound07:25:336
1880576992018,2cyclictest2432631-21kworker/u16:0+flush-8:011:48:475
1880581991918,0cyclictest0-21swapper/712:09:097
1880581991918,0cyclictest0-21swapper/710:07:227
1880581991918,0cyclictest0-21swapper/709:34:587
1880581991915,3cyclictest1267-21snmpd11:20:057
1880579991917,2cyclictest2451964-21kworker/u16:3+flush-8:012:13:386
1880579991917,2cyclictest2176363-21kworker/u16:2+flush-8:010:08:166
1880579991917,2cyclictest1999831-21kworker/u16:6+events_unbound08:29:516
1880576991917,2cyclictest1999831-21kworker/u16:6+flush-8:010:43:465
1880576991917,2cyclictest1999831-21kworker/u16:6+flush-8:010:43:465
1880581991818,0cyclictest0-21swapper/711:49:097
1880581991817,0cyclictest0-21swapper/709:58:137
1880579991816,2cyclictest1951945-21kworker/u16:2+flush-8:008:23:166
1880579991816,2cyclictest1951945-21kworker/u16:2+events_unbound08:16:436
1880576991816,2cyclictest2387353-21kworker/u16:3+flush-8:011:28:395
1880576991816,2cyclictest1999831-21kworker/u16:6+events_unbound08:28:335
1880576991815,2cyclictest2361381-21kworker/u16:1+events_unbound11:38:285
1880567991817,1cyclictest641ktimers/409:29:504
1880581991716,0cyclictest0-21swapper/712:19:097
1880581991716,0cyclictest0-21swapper/710:01:347
1880581991716,0cyclictest0-21swapper/707:28:067
1880581991713,3cyclictest650-21systemd-journal11:18:117
1880579991716,1cyclictest1951945-21kworker/u16:2+events_unbound08:11:076
1880579991715,2cyclictest2234488-21kworker/u16:1+events_unbound10:21:386
1880579991715,2cyclictest1860130-21kworker/u16:2+events_unbound07:11:076
1880576991715,2cyclictest2272085-21kworker/u16:0+flush-8:010:28:475
1880576991715,2cyclictest1981427-21kworker/u16:4+events_unbound07:58:355
1880567991713,3cyclictest2007292-21kthreadcore08:08:374
1880581991616,0cyclictest0-21swapper/712:37:187
1880581991615,0cyclictest0-21swapper/711:03:477
1880581991615,0cyclictest0-21swapper/709:41:347
1880581991614,1cyclictest0-21swapper/707:53:427
1880579991614,2cyclictest2113997-21kworker/u16:3+events_unbound09:09:356
1880579991614,2cyclictest2113997-21kworker/u16:3+events_unbound09:09:356
1880579991614,2cyclictest2068101-21kworker/u16:2+events_unbound08:40:426
1880579991614,2cyclictest1999831-21kworker/u16:6+events_unbound11:27:146
1880579991614,2cyclictest1999831-21kworker/u16:6+events_unbound11:20:316
1880579991614,2cyclictest1871866-21kworker/u16:4+flush-8:007:14:196
1880576991614,2cyclictest2475939-21kworker/u16:0+events_unbound12:28:305
1880576991614,2cyclictest2113997-21kworker/u16:3+flush-8:009:13:165
1880576991614,2cyclictest2113997-21kworker/u16:3+flush-8:009:13:165
1880576991613,3cyclictest2234488-21kworker/u16:1+flush-8:010:38:425
1880576991613,2cyclictest2020032-21kworker/u16:1+events_unbound08:43:345
1880576991612,3cyclictest1991990-21cat08:03:305
188057699160,2cyclictest2205450-21iostat09:53:325
188058199157,7cyclictest5944-21gmain09:48:297
1880581991514,0cyclictest0-21swapper/711:11:307
1880581991514,0cyclictest0-21swapper/709:19:237
1880581991513,1cyclictest0-21swapper/710:43:407
1880581991513,1cyclictest0-21swapper/710:43:407
188058199150,14cyclictest2147197-21cat09:23:327
188058199150,14cyclictest0-21swapper/708:53:437
1880579991513,2cyclictest2456523-21kworker/u16:4+events_unbound12:04:306
1880579991513,2cyclictest1999831-21kworker/u16:6+flush-8:009:01:416
1880579991513,2cyclictest1912945-21kworker/u16:1+events_unbound07:40:176
1880579991513,2cyclictest1890136-21kworker/u16:0+events_unbound07:35:516
1880579991513,2cyclictest1890136-21kworker/u16:0+events_unbound07:35:516
1880576991513,2cyclictest2451964-21kworker/u16:3+events_unbound12:08:345
1880576991513,2cyclictest1951945-21kworker/u16:2+flush-8:007:43:275
188057699150,15cyclictest0-21swapper/510:48:405
188057699150,15cyclictest0-21swapper/507:23:465
188058199148,5cyclictest2029689-21latency_hist08:23:167
1880581991413,0cyclictest0-21swapper/712:24:187
1880581991413,0cyclictest0-21swapper/709:15:527
1880581991410,3cyclictest2107536-21/usr/sbin/munin09:03:397
1880581991410,3cyclictest2107536-21/usr/sbin/munin09:03:397
188058199140,1cyclictest0-21swapper/707:18:397
188058199140,13cyclictest2165451-21latency_hist09:33:177
1880579991412,2cyclictest2387353-21kworker/u16:3+events_unbound11:33:146
1880579991412,2cyclictest1971609-21kworker/u16:3+events_unbound08:08:026
1880576991412,2cyclictest2451964-21kworker/u16:3+flush-8:012:18:465
1880576991412,2cyclictest2176363-21kworker/u16:2+flush-8:009:43:275
1880576991412,2cyclictest1951945-21kworker/u16:2+events_unbound08:13:385
1880576991412,2cyclictest1890136-21kworker/u16:0+flush-8:007:33:485
1880576991412,2cyclictest1890136-21kworker/u16:0+flush-8:007:33:485
1880567991412,1cyclictest2346988-21kthreadcore11:03:364
188056799140,14cyclictest0-21swapper/409:19:434
188058199139,3cyclictest1267-21snmpd09:43:517
188058199138,4cyclictest2437714-21df11:53:297
188058199137,6cyclictest6053-21gmain08:23:297
1880581991313,0cyclictest0-21swapper/710:09:147
1880581991313,0cyclictest0-21swapper/708:42:317
1880581991313,0cyclictest0-21swapper/707:32:557
1880581991312,0cyclictest0-21swapper/710:58:317
1880581991310,2cyclictest0-21swapper/712:03:297
1880581991310,2cyclictest0-21swapper/708:03:377
188058199130,1cyclictest0-21swapper/710:18:407
188058199130,11cyclictest2451715-21kthreadcore11:58:367
1880579991311,2cyclictest2234488-21kworker/u16:1+events_unbound10:52:036
1880579991311,2cyclictest1999831-21kworker/u16:6+events_unbound10:35:426
188057999130,13cyclictest0-21swapper/610:38:396
1880576991311,2cyclictest1999831-21kworker/u16:6+events_unbound11:23:415
1880567991312,1cyclictest0-21swapper/411:55:284
1880567991312,1cyclictest0-21swapper/411:48:424
1880567991312,1cyclictest0-21swapper/410:33:404
1880567991312,1cyclictest0-21swapper/410:09:514
1880567991312,1cyclictest0-21swapper/409:37:034
1880567991311,2cyclictest1613916-21kworker/u16:3+events_unbound07:13:224
1880567991311,1cyclictest2222616-21ntpq09:58:394
188056799130,1cyclictest0-21swapper/408:58:074
188056799130,13cyclictest0-21swapper/412:22:074
188056799130,13cyclictest0-21swapper/407:11:234
188058199129,2cyclictest2417848-21/usr/sbin/munin11:43:427
188058199128,3cyclictest1267-21snmpd10:30:377
188058199128,3cyclictest1267-21snmpd08:32:587
188058199128,3cyclictest1267-21snmpd07:50:427
188058199125,5cyclictest650-21systemd-journal07:58:177
188058199120,2cyclictest2106155-21chrt08:58:397
1880576991211,1cyclictest2030070-21kworker/u16:0+events_unbound08:52:275
1880576991211,1cyclictest0-21swapper/510:24:175
1880576991210,2cyclictest2113997-21kworker/u16:3+events_unbound09:03:435
1880576991210,2cyclictest2113997-21kworker/u16:3+events_unbound09:03:435
1880576991210,2cyclictest1999831-21kworker/u16:6+flush-8:008:08:325
188056799129,2cyclictest2329585-21timerandwakeup10:53:454
188056799124,7cyclictest0-21swapper/410:13:314
1880567991211,1cyclictest0-21swapper/412:28:254
1880567991211,1cyclictest0-21swapper/412:15:394
1880567991211,1cyclictest0-21swapper/410:06:134
1880567991211,1cyclictest0-21swapper/408:36:504
1880567991211,1cyclictest0-21swapper/408:29:444
1880567991211,1cyclictest0-21swapper/408:05:084
1880567991211,1cyclictest0-21swapper/408:01:124
1880567991211,1cyclictest0-21swapper/407:49:234
188056799120,1cyclictest0-21swapper/410:31:364
188056799120,1cyclictest0-21swapper/409:44:094
188056799120,12cyclictest0-21swapper/412:25:164
188056799120,12cyclictest0-21swapper/412:05:434
188056799120,12cyclictest0-21swapper/410:27:594
188056799120,12cyclictest0-21swapper/407:30:464
626589110,0rtkit-daemon0-21swapper/508:55:415
188058199119,1cyclictest0-21swapper/711:28:417
188058199110,9cyclictest1267-21snmpd07:38:277
188058199110,10cyclictest0-21swapper/711:33:377
188058199110,10cyclictest0-21swapper/711:33:377
188057999116,4cyclictest1904756-21cat07:18:316
188057699119,2cyclictest2387353-21kworker/u16:3+events_unbound11:33:355
188057699119,2cyclictest2387353-21kworker/u16:3+events_unbound11:33:355
188057699119,2cyclictest2234488-21kworker/u16:1+flush-8:010:08:375
188057699119,2cyclictest1912945-21kworker/u16:1+events_unbound07:52:275
188057699117,3cyclictest2475939-21kworker/u16:0+flush-8:012:23:415
188057699117,3cyclictest2244100-21cat10:13:315
188057699112,8cyclictest0-21swapper/510:33:315
188057699110,11cyclictest0-21swapper/511:06:135
188057699110,11cyclictest0-21swapper/507:39:515
1880567991110,1cyclictest0-21swapper/412:34:254
1880567991110,1cyclictest0-21swapper/412:12:304
1880567991110,1cyclictest0-21swapper/411:58:474
1880567991110,1cyclictest0-21swapper/411:45:234
1880567991110,1cyclictest0-21swapper/411:24:534
1880567991110,1cyclictest0-21swapper/411:18:074
1880567991110,1cyclictest0-21swapper/411:10:514
1880567991110,1cyclictest0-21swapper/410:42:294
1880567991110,1cyclictest0-21swapper/409:51:244
1880567991110,1cyclictest0-21swapper/409:08:504
1880567991110,1cyclictest0-21swapper/409:08:504
1880567991110,1cyclictest0-21swapper/409:05:124
1880567991110,1cyclictest0-21swapper/409:05:124
1880567991110,1cyclictest0-21swapper/409:01:354
1880567991110,1cyclictest0-21swapper/407:41:494
188056799110,11cyclictest0-21swapper/407:38:114
188056799110,11cyclictest0-21swapper/407:38:114
188058199103,6cyclictest0-21swapper/708:11:227
188057699109,1cyclictest0-21swapper/509:27:035
188057699109,1cyclictest0-21swapper/507:56:155
188057699109,1cyclictest0-21swapper/507:11:285
188057699108,2cyclictest2500059-21kworker/u16:1+flush-8:012:33:355
188057699107,2cyclictest2451964-21kworker/u16:3+flush-8:012:03:275
188056799109,1cyclictest0-21swapper/409:55:024
188056799109,1cyclictest0-21swapper/409:26:294
188056799109,1cyclictest0-21swapper/408:19:104
188056799109,1cyclictest0-21swapper/408:15:424
18805769998,1cyclictest0-21swapper/511:53:215
18805769997,2cyclictest2272085-21kworker/u16:0+flush-8:011:08:345
18805769997,2cyclictest1999831-21kworker/u16:6+events_unbound09:30:265
18805769997,1cyclictest0-21swapper/510:18:345
18805769995,3cyclictest2370102-21cat11:18:325
18805769995,3cyclictest1910708-21kthreadcore07:18:365
18805679998,1cyclictest0-21swapper/411:42:044
18805679998,1cyclictest0-21swapper/410:49:254
18805679998,1cyclictest0-21swapper/410:20:344
18805679998,1cyclictest0-21swapper/409:40:314
18805679998,1cyclictest0-21swapper/407:26:504
18805679990,1cyclictest0-21swapper/411:20:304
18805769986,2cyclictest2451964-21kworker/u16:3+flush-8:011:58:455
18805769984,3cyclictest2050233-21interrupts08:33:315
18805769983,4cyclictest2129943-21grep09:13:355
18805769983,4cyclictest1891556-21grep07:13:195
18805679986,1cyclictest0-21swapper/407:18:304
18805679983,4cyclictest2307009-21tr10:43:364
18805679983,4cyclictest2307009-21tr10:43:364
18805679983,4cyclictest2033607-21cat08:23:354
18805679974,2cyclictest2060044-21irqcore08:38:334
18805679973,3cyclictest2399001-21fschecks_time11:33:284
18805679973,3cyclictest2399001-21fschecks_time11:33:284
18805679973,3cyclictest2330674-21cpuspeed_turbos10:58:284
18805679973,3cyclictest2128544-21kthreadcore09:13:354
18805769950,5cyclictest0-21swapper/511:43:205
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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