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2026-07-25 - 23:16
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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 Sat Jul 25, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
228567521040,1sleep6681rcuog/411:09:486
174491325419,30sleep70-21swapper/707:07:577
174482324838,7sleep40-21swapper/407:06:424
1745300994543,2cyclictest2313685-21kworker/u16:1+events_unbound11:29:335
1745300994543,2cyclictest2313685-21kworker/u16:1+events_unbound11:29:335
1745300994542,2cyclictest2005862-21kworker/u16:5+events_unbound09:29:325
1745300994542,2cyclictest2005862-21kworker/u16:5+events_unbound09:29:325
1745306994439,4cyclictest1067-21rs:main7
1745300994442,2cyclictest1845761-21kworker/u16:1+flush-8:007:59:305
174483624433,8sleep50-21swapper/507:06:515
1745300994341,2cyclictest2068036-21kworker/u16:4+events_unbound10:04:335
1745300994341,2cyclictest1915006-21kworker/u16:2+flush-8:008:34:415
1745300994139,2cyclictest2202963-21kworker/u16:2+events_unbound12:29:495
1745300994139,2cyclictest1966293-21kworker/u16:2+events_unbound09:34:505
1745300994138,2cyclictest2313685-21kworker/u16:1+events_unbound11:39:165
1745300994138,2cyclictest2092537-21kworker/u16:0+flush-8:010:19:145
1745300994138,2cyclictest1744800-21kworker/u16:0+events_unbound07:49:305
1745306994033,6cyclictest2166056-21latency_hist10:24:157
1745300994038,2cyclictest2092537-21kworker/u16:0+events_unbound10:09:325
1745300994038,2cyclictest2092537-21kworker/u16:0+events_unbound10:09:325
1745300993937,2cyclictest2005862-21kworker/u16:5+events_unbound09:24:505
1745300993936,2cyclictest1447748-21kworker/u16:5+flush-8:007:39:335
1745295993937,2cyclictest2202963-21kworker/u16:2+flush-8:011:44:364
1745300993836,2cyclictest1966293-21kworker/u16:2+events_unbound10:19:325
1745300993836,2cyclictest1865845-21kworker/u16:4+events_unbound08:29:385
1745300993735,2cyclictest1828210-21kworker/u16:4+flush-8:007:54:415
1745300993734,2cyclictest2313685-21kworker/u16:1+flush-8:011:44:295
1745306993630,5cyclictest1787859-21latency_hist07:29:157
1745300993633,2cyclictest2177413-21kworker/u16:1+events_unbound10:34:175
1745300993533,2cyclictest1934620-21kworker/u16:4+events_unbound09:14:335
1745300993432,2cyclictest2202963-21kworker/u16:2+events_unbound10:49:455
1745300993432,2cyclictest2202963-21kworker/u16:2+events_unbound10:49:455
1745300993432,2cyclictest2092537-21kworker/u16:0+events_unbound10:44:385
1745300993432,2cyclictest2092537-21kworker/u16:0+events_unbound10:39:495
1745300993432,2cyclictest2019224-21kworker/u16:0+events_unbound09:39:495
1745306993328,4cyclictest2215156-21latency_hist10:44:147
1745300993331,2cyclictest1966293-21kworker/u16:2+flush-8:009:54:405
1745300993330,2cyclictest2249849-21kworker/u16:1+flush-8:011:09:365
1745295993331,2cyclictest2005862-21kworker/u16:5+events_unbound09:18:254
1745300993230,2cyclictest2202963-21kworker/u16:2+flush-8:011:19:325
1745300993230,2cyclictest2092537-21kworker/u16:0+events_unbound10:33:055
1745300993129,2cyclictest2202963-21kworker/u16:2+events_unbound11:54:285
1745300993129,2cyclictest2150380-21kworker/u16:3+events_unbound12:04:325
1745300993129,2cyclictest1966293-21kworker/u16:2+flush-8:009:20:455
1745300993128,2cyclictest2150380-21kworker/u16:3+flush-8:012:19:165
1745300993128,2cyclictest1934620-21kworker/u16:4+flush-8:009:09:295
1745300993125,5cyclictest2202963-21kworker/u16:2+flush-8:012:14:145
1745300993125,5cyclictest2202963-21kworker/u16:2+flush-8:012:14:145
19519522300,1chrt0-21swapper/408:49:454
19519522300,1chrt0-21swapper/408:49:454
1745306993026,3cyclictest125-21kswapd009:18:107
1745300993028,2cyclictest1966293-21kworker/u16:2+events_unbound09:45:245
1745300993028,2cyclictest1845761-21kworker/u16:1+events_unbound09:53:055
1745300992927,2cyclictest2262336-21kworker/u16:0+flush-8:011:24:295
1745300992927,2cyclictest2202963-21kworker/u16:2+events_unbound11:17:565
1745300992927,2cyclictest2068036-21kworker/u16:4+events_unbound10:01:005
1745300992927,2cyclictest1934620-21kworker/u16:4+flush-8:009:04:325
1745306992823,4cyclictest648-21systemd-journal09:39:097
174530699280,26cyclictest2153810-21latency_hist10:19:157
1745300992826,2cyclictest2447598-21kworker/u16:0+events_unbound12:36:125
1745300992825,2cyclictest1797961-21kworker/u16:3+flush-8:008:14:325
1745295992824,3cyclictest2092537-21kworker/u16:0+flush-8:010:49:404
1745295992824,3cyclictest2092537-21kworker/u16:0+flush-8:010:49:404
17447012284,8sleep60-21swapper/607:04:596
1745302992723,3cyclictest1845761-21kworker/u16:1+flush-8:008:44:456
1745302992721,5cyclictest2005862-21kworker/u16:5+flush-8:009:18:216
1745300992725,2cyclictest2423534-21kworker/u16:5+flush-8:012:25:085
1745300992725,2cyclictest2262336-21kworker/u16:0+events_unbound11:05:375
1745300992725,2cyclictest2202963-21kworker/u16:2+flush-8:011:00:565
1745300992725,2cyclictest2202963-21kworker/u16:2+events_unbound11:51:565
1745300992725,2cyclictest2150380-21kworker/u16:3+events_unbound10:27:055
1745300992624,2cyclictest2202963-21kworker/u16:2+flush-8:012:14:325
1745300992522,2cyclictest1915006-21kworker/u16:2+events_unbound08:44:175
1745302992321,2cyclictest2092537-21kworker/u16:0+flush-8:010:34:406
1745300992321,2cyclictest2313685-21kworker/u16:1+flush-8:011:35:085
1745306992221,0cyclictest0-21swapper/709:50:247
1745306992217,4cyclictest2410879-21latency_hist12:04:147
1745306992216,5cyclictest1855766-21latency_hist08:04:157
1745300992220,2cyclictest2407855-21kworker/u16:1+events_unbound12:01:095
1745300992220,2cyclictest1865845-21kworker/u16:4+flush-8:008:23:255
1745300992220,2cyclictest1768797-21kworker/u16:1+events_unbound07:37:255
23911852210,0sleep60-21swapper/611:54:366
1745306992116,4cyclictest125-21kswapd011:29:147
174530699210,19cyclictest648-21systemd-journal10:34:157
1745300992119,2cyclictest2249849-21kworker/u16:1+events_unbound10:56:495
1745300992119,2cyclictest1845761-21kworker/u16:1+events_unbound08:59:345
1745300992118,2cyclictest1934620-21kworker/u16:4+flush-8:008:54:325
1745300992118,2cyclictest1797961-21kworker/u16:3+events_unbound07:44:335
1745306992015,4cyclictest1981922-21latency_hist09:09:157
1745300991917,2cyclictest1845761-21kworker/u16:1+events_unbound08:27:255
1745300991916,2cyclictest1744800-21kworker/u16:0+flush-8:007:19:255
1745306991811,6cyclictest1884885-21latency_hist08:19:157
1745295991816,2cyclictest1797961-21kworker/u16:3+events_unbound07:53:254
1745295991816,2cyclictest1447748-21kworker/u16:5+flush-8:007:34:494
1745306991714,2cyclictest0-21swapper/712:09:467
1745306991714,2cyclictest0-21swapper/712:09:467
1745300991714,3cyclictest1447748-21kworker/u16:5+flush-8:007:09:415
1745295991715,2cyclictest1934620-21kworker/u16:4+flush-8:009:05:224
174530699165,5cyclictest5741-21ssh-agent08:34:317
174530699155,5cyclictest6233-21gvfs-afc-volume08:24:477
1745300991513,2cyclictest1744800-21kworker/u16:0+flush-8:007:26:255
1745295991514,1cyclictest1966293-21kworker/u16:2+events_unbound10:11:494
1745295991514,1cyclictest1966293-21kworker/u16:2+events_unbound10:11:494
1745295991513,2cyclictest2150380-21kworker/u16:3+flush-8:010:44:384
1745295991513,2cyclictest2150380-21kworker/u16:3+events_unbound11:50:224
174530699148,5cyclictest2448924-21cat12:19:327
174530699147,6cyclictest5834-21gmain12:34:397
1745306991413,0cyclictest0-21swapper/712:15:257
1745306991412,1cyclictest0-21swapper/709:09:417
174530699140,12cyclictest2167379-21cat10:24:317
1745302991413,1cyclictest0-21swapper/612:08:106
1745302991413,1cyclictest0-21swapper/610:32:186
174530299140,1cyclictest0-21swapper/612:23:376
174530299140,1cyclictest0-21swapper/610:59:066
174530299140,1cyclictest0-21swapper/609:56:126
174530299140,14cyclictest0-21swapper/611:31:356
174530299140,14cyclictest0-21swapper/611:31:356
174530299140,14cyclictest0-21swapper/610:47:456
174530299140,14cyclictest0-21swapper/609:09:326
1745300991412,2cyclictest1768797-21kworker/u16:1+events_unbound07:31:105
1745300991412,2cyclictest1744800-21kworker/u16:0+flush-8:007:14:385
1745295991412,2cyclictest1744800-21kworker/u16:0+flush-8:007:39:504
174530699139,3cyclictest1789027-21cat07:29:317
174530699139,3cyclictest1302-21snmpd08:11:007
174530699139,3cyclictest1302-21snmpd07:47:097
174530699138,3cyclictest1302-21snmpd09:19:207
174530699137,5cyclictest2043426-21turbostat09:34:147
174530699137,5cyclictest2043426-21turbostat09:34:147
1745306991312,0cyclictest0-21swapper/712:27:427
1745306991310,2cyclictest2276427-21munin-run11:09:147
1745306991310,2cyclictest0-21swapper/712:29:157
174530699130,1cyclictest0-21swapper/707:09:407
174530699130,11cyclictest1302-21snmpd11:29:507
174530699130,11cyclictest1302-21snmpd11:29:507
1745302991312,1cyclictest0-21swapper/611:25:546
1745302991312,1cyclictest0-21swapper/611:14:336
1745302991312,1cyclictest0-21swapper/611:01:096
1745302991312,1cyclictest0-21swapper/610:11:396
1745302991312,1cyclictest0-21swapper/610:11:396
1745302991312,1cyclictest0-21swapper/608:39:346
174530299130,13cyclictest0-21swapper/612:35:266
174530299130,13cyclictest0-21swapper/612:25:406
174530299130,13cyclictest0-21swapper/611:06:506
174530299130,13cyclictest0-21swapper/609:50:316
174530299130,0cyclictest0-21swapper/612:31:206
174530299130,0cyclictest0-21swapper/611:37:166
174530299130,0cyclictest0-21swapper/610:49:486
174530299130,0cyclictest0-21swapper/610:49:486
1745300991311,2cyclictest1744800-21kworker/u16:0+events_unbound08:05:555
1745300991311,2cyclictest1744800-21kworker/u16:0+events_unbound08:05:555
174530099130,1cyclictest0-21swapper/508:12:405
1745295991312,1cyclictest0-21swapper/411:44:024
1745295991312,1cyclictest0-21swapper/409:54:364
1745295991312,1cyclictest0-21swapper/409:27:014
1745295991310,3cyclictest2202963-21kworker/u16:2+flush-8:012:29:144
174530699129,2cyclictest0-21swapper/710:54:447
174530699129,2cyclictest0-21swapper/710:49:327
174530699129,2cyclictest0-21swapper/710:49:327
174530699128,3cyclictest1798739-21cat07:34:317
174530699128,3cyclictest1302-21snmpd11:45:537
174530699128,3cyclictest1302-21snmpd11:38:447
174530699128,3cyclictest1302-21snmpd08:52:527
174530699128,3cyclictest1302-21snmpd08:52:527
174530699128,3cyclictest1302-21snmpd08:31:047
174530699128,3cyclictest1302-21snmpd07:55:247
174530699125,6cyclictest5741-21ssh-agent08:54:417
174530699120,10cyclictest1302-21snmpd07:15:537
174530299127,4cyclictest1746305-21cat07:09:316
1745302991211,1cyclictest0-21swapper/610:26:386
1745302991211,1cyclictest0-21swapper/609:48:286
1745302991211,1cyclictest0-21swapper/609:21:506
174530299120,12cyclictest0-21swapper/608:58:016
174529599125,7cyclictest0-21swapper/409:21:384
1745295991211,1cyclictest0-21swapper/412:02:194
1745295991211,1cyclictest0-21swapper/410:25:314
174529599120,1cyclictest0-21swapper/408:59:544
174529599120,12cyclictest0-21swapper/410:07:424
174529599120,12cyclictest0-21swapper/409:35:514
174530699119,1cyclictest0-21swapper/711:49:457
174530699118,2cyclictest1302-21snmpd11:10:167
174530699118,2cyclictest1302-21snmpd10:04:517
174530699117,3cyclictest6124-21gmain12:07:277
174530699117,3cyclictest2140111-21sh10:11:417
174530699117,3cyclictest2140111-21sh10:11:417
174530699117,3cyclictest1302-21snmpd10:48:467
174530699117,3cyclictest1302-21snmpd10:38:337
174530699117,3cyclictest1302-21snmpd09:56:207
174530699117,3cyclictest1302-21snmpd08:45:467
174530699116,4cyclictest1924918-21cat08:39:317
174530699116,4cyclictest1827576-21tune2fs07:49:297
174530699114,5cyclictest2062847-21grep09:39:387
174530699112,8cyclictest1808908-21kthreadcore07:39:347
174530699110,9cyclictest1886057-21cat08:19:327
174530699110,10cyclictest1302-21snmpd08:05:157
174530699110,10cyclictest1302-21snmpd08:05:157
174530299119,2cyclictest2068036-21kworker/u16:4+flush-8:010:04:196
1745302991110,1cyclictest0-21swapper/611:52:436
1745302991110,1cyclictest0-21swapper/611:41:226
1745302991110,1cyclictest0-21swapper/611:23:516
1745302991110,1cyclictest0-21swapper/610:19:226
1745302991110,1cyclictest0-21swapper/610:00:186
1745302991110,1cyclictest0-21swapper/607:59:226
1745302991110,1cyclictest0-21swapper/607:25:476
174530099119,2cyclictest1845761-21kworker/u16:1+flush-8:008:50:215
174530099119,2cyclictest1845761-21kworker/u16:1+flush-8:008:50:215
1745295991110,1cyclictest0-21swapper/411:24:384
1745295991110,1cyclictest0-21swapper/410:35:274
1745295991110,1cyclictest0-21swapper/409:30:394
1745295991110,1cyclictest0-21swapper/409:30:394
1745295991110,1cyclictest0-21swapper/408:58:194
1745295991110,1cyclictest0-21swapper/408:47:454
1745295991110,1cyclictest0-21swapper/408:27:164
1745295991110,1cyclictest0-21swapper/408:04:244
1745295991110,1cyclictest0-21swapper/408:04:244
1745295991110,1cyclictest0-21swapper/407:57:284
1745295991110,1cyclictest0-21swapper/407:11:264
174529599110,1cyclictest0-21swapper/411:17:514
174529599110,11cyclictest0-21swapper/409:41:034
174529599110,11cyclictest0-21swapper/408:33:344
174529599110,11cyclictest0-21swapper/407:19:004
174530699107,2cyclictest1302-21snmpd11:16:077
174530699107,2cyclictest1302-21snmpd08:59:467
174530699107,2cyclictest0-21swapper/711:39:447
174530699107,2cyclictest0-21swapper/711:19:467
174530699106,3cyclictest1302-21snmpd07:20:027
174530699105,4cyclictest2264461-21date11:04:157
174530699104,5cyclictest6233-21gvfs-afc-volume09:44:217
174530699100,3cyclictest2398088-21ssh11:58:017
174530299109,1cyclictest0-21swapper/612:17:566
174530299109,1cyclictest0-21swapper/610:17:196
174530299109,1cyclictest0-21swapper/609:02:456
174530299109,1cyclictest0-21swapper/608:22:146
174530299109,1cyclictest0-21swapper/607:36:306
174530299100,2cyclictest1755245-21munin-node07:14:156
174529599109,1cyclictest0-21swapper/409:47:504
174529599100,2cyclictest0-21swapper/407:25:444
174529599100,0cyclictest0-21swapper/408:14:014
174529599100,0cyclictest0-21swapper/407:30:494
174529599100,0cyclictest0-21swapper/407:21:404
17453069994,4cyclictest2020145-21cat09:24:317
17453029998,1cyclictest0-21swapper/612:02:296
17453029998,1cyclictest0-21swapper/609:40:456
17453029998,1cyclictest0-21swapper/609:34:366
17453029998,1cyclictest0-21swapper/608:34:516
17453029990,3cyclictest1865276-21taskset08:06:446
17453029990,3cyclictest1865276-21taskset08:06:446
17453009997,2cyclictest1933282-21kworker/u16:3+events_unbound08:42:265
17452959998,1cyclictest0-21swapper/411:09:584
17452959998,1cyclictest0-21swapper/409:12:594
17453029987,1cyclictest0-21swapper/610:44:086
17453029987,1cyclictest0-21swapper/609:30:306
17453029987,1cyclictest0-21swapper/609:30:306
17453029987,1cyclictest0-21swapper/608:50:376
17453029987,1cyclictest0-21swapper/608:50:376
17453029987,1cyclictest0-21swapper/607:23:066
17453029983,5cyclictest0-21swapper/612:09:436
17453029983,5cyclictest0-21swapper/612:09:436
17453029981,1cyclictest2362573-21taskset11:44:266
17453029980,2cyclictest20205812sleep609:24:346
17453029980,1cyclictest0-21swapper/607:44:376
17452959987,1cyclictest0-21swapper/410:55:194
17452959987,1cyclictest0-21swapper/410:14:284
17452959986,2cyclictest2447598-21kworker/u16:0+flush-8:012:38:284
17453029976,1cyclictest0-21swapper/608:16:246
17453029976,1cyclictest0-21swapper/607:42:206
17453029976,1cyclictest0-21swapper/607:31:096
17453029970,7cyclictest0-21swapper/609:04:346
17453029970,7cyclictest0-21swapper/607:49:286
17453029970,1cyclictest0-21swapper/608:09:356
17452959976,1cyclictest0-21swapper/410:20:474
17452959976,1cyclictest0-21swapper/408:23:004
17452959976,1cyclictest0-21swapper/408:17:104
17452959975,2cyclictest1845761-21kworker/u16:1+flush-8:008:34:464
17452959974,2cyclictest24830232sleep412:32:024
17452959970,1cyclictest0-21swapper/412:15:044
17453029960,6cyclictest0-21swapper/608:29:346
17453029960,1cyclictest0-21swapper/608:24:466
17453029960,1cyclictest0-21swapper/607:54:356
17452959964,2cyclictest2150380-21kworker/u16:3+nfsiod12:21:364
17452959964,2cyclictest2150380-21kworker/u16:3+events_unbound11:19:284
17452959963,2cyclictest22124662sleep410:39:494
17452959961,3cyclictest0-21swapper/411:04:284
17452959961,1cyclictest201rcu_preempt10:59:504
17452959960,3cyclictest0-21swapper/412:04:264
17452959960,2cyclictest0-21swapper/409:50:204
17452959960,1cyclictest0-21swapper/409:59:384
17452959960,1cyclictest0-21swapper/408:04:044
17452959950,5cyclictest0-21swapper/410:29:374
17452959950,4cyclictest2386927-21chrt11:54:184
17452959950,4cyclictest2325934-21taskset11:29:254
17452959950,4cyclictest2325934-21taskset11:29:254
17452959950,4cyclictest1817334-21taskset07:44:234
17452959950,3cyclictest0-21swapper/408:39:354
17452959950,1cyclictest0-21swapper/412:09:484
17452959950,1cyclictest0-21swapper/412:09:484
17452959950,1cyclictest0-21swapper/411:34:254
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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