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2026-06-18 - 21:17
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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 Thu Jun 18, 2026 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
126292125848,7sleep40-21swapper/407:07:214
126291325443,8sleep50-21swapper/507:07:145
126284125419,30sleep70-21swapper/707:06:117
126299024029,8sleep60-21swapper/607:08:196
1263377993528,7cyclictest1856609-21kworker/u16:0+events_unbound12:27:256
1263377993432,2cyclictest1489910-21kworker/u16:3+events_unbound09:39:546
1263377993331,2cyclictest1634583-21kworker/u16:3+events_unbound10:36:546
1263377993230,2cyclictest1773407-21kworker/u16:2+events_unbound11:12:346
1263377993225,6cyclictest1394083-21kworker/u16:0+events_unbound09:14:576
1263377993129,2cyclictest1634583-21kworker/u16:3+flush-8:010:32:506
1263377993129,2cyclictest1634583-21kworker/u16:3+events_unbound11:33:546
1263377993129,2cyclictest1634583-21kworker/u16:3+events_unbound10:42:306
1263377993129,2cyclictest1575398-21kworker/u16:0+events_unbound11:01:436
1263377993129,2cyclictest1575398-21kworker/u16:0+events_unbound09:49:586
1263377993129,2cyclictest1526620-21kworker/u16:6+events_unbound09:32:096
1263377993129,2cyclictest1523060-21kworker/u16:2+flush-8:009:40:496
1263377993128,2cyclictest1856609-21kworker/u16:0+events_unbound11:59:576
1263377993028,2cyclictest1897112-21kworker/u16:4+flush-8:012:20:256
1263377993028,2cyclictest1897111-21kworker/u16:2+events_unbound11:56:426
1263377993028,2cyclictest1897111-21kworker/u16:2+events_unbound11:56:426
1263377993028,2cyclictest1634583-21kworker/u16:3+events_unbound10:09:306
1263377993028,2cyclictest1575398-21kworker/u16:0+events_unbound10:24:106
1263377993028,2cyclictest1575398-21kworker/u16:0+events_unbound10:04:196
1263377993028,2cyclictest1526620-21kworker/u16:6+events_unbound09:22:386
1263372993027,2cyclictest1301864-21kworker/u16:1+flush-8:007:35:114
126338199290,27cyclictest1748643-21dnf10:50:017
1263377992927,2cyclictest1897111-21kworker/u16:2+events_unbound12:33:346
1263377992927,2cyclictest1634583-21kworker/u16:3+events_unbound11:46:226
1263377992927,2cyclictest1634583-21kworker/u16:3+events_unbound11:44:466
1263377992927,2cyclictest1634583-21kworker/u16:3+events_unbound11:28:316
1263377992927,2cyclictest1575399-21kworker/u16:1+events_unbound10:19:056
1263377992927,2cyclictest1575398-21kworker/u16:0+events_unbound10:54:586
1263377992927,2cyclictest1575398-21kworker/u16:0+events_unbound10:54:026
1263374992926,2cyclictest1301864-21kworker/u16:1+events_unbound08:00:105
1263377992826,2cyclictest1856609-21kworker/u16:0+events_unbound12:13:306
1263377992826,2cyclictest1723682-21kworker/u16:4+events_unbound10:48:596
1263377992826,2cyclictest1634583-21kworker/u16:3+events_unbound11:39:306
1263377992826,2cyclictest1523060-21kworker/u16:2+flush-8:009:25:546
1263377992825,2cyclictest1209647-21kworker/u16:0+events_unbound07:09:586
1263377992725,2cyclictest1971299-21kworker/u16:1+events_unbound12:36:266
1263377992725,2cyclictest1897111-21kworker/u16:2+events_unbound12:17:506
1263377992725,2cyclictest1810565-21kworker/u16:4+events_unbound11:16:186
1263377992725,2cyclictest1773407-21kworker/u16:2+flush-8:011:22:506
1263377992725,2cyclictest1773407-21kworker/u16:2+events_unbound11:08:556
1263377992725,2cyclictest1634583-21kworker/u16:3+events_unbound11:53:466
1263372992725,2cyclictest1526620-21kworker/u16:6+flush-8:009:39:554
1263377992624,2cyclictest1897112-21kworker/u16:4+events_unbound12:07:116
1263374992623,2cyclictest1856609-21kworker/u16:0+flush-8:011:50:135
1263377992523,2cyclictest1575399-21kworker/u16:1+events_unbound09:48:266
1263377992523,2cyclictest1523060-21kworker/u16:2+events_unbound09:57:356
1263377992523,2cyclictest1523060-21kworker/u16:2+events_unbound09:57:356
1263372992523,2cyclictest1773407-21kworker/u16:2+events_unbound11:12:364
1263377992422,2cyclictest1575399-21kworker/u16:1+events_unbound10:12:596
1263372992422,2cyclictest1723682-21kworker/u16:4+events_unbound10:45:024
1263372992422,2cyclictest1634583-21kworker/u16:3+flush-8:010:40:254
1263377992321,2cyclictest1634583-21kworker/u16:3+events_unbound10:26:076
1263377992321,2cyclictest1345157-21kworker/u16:2+events_unbound08:15:266
1263377992320,2cyclictest1301864-21kworker/u16:1+flush-8:007:50:066
1263377992320,2cyclictest1301864-21kworker/u16:1+flush-8:007:50:066
1263372992321,2cyclictest1856609-21kworker/u16:0+events_unbound11:55:394
1263372992321,2cyclictest1856609-21kworker/u16:0+events_unbound11:55:394
1263372992321,2cyclictest1432933-21kworker/u16:2+flush-8:008:39:564
1263377992218,3cyclictest1432933-21kworker/u16:2+events_unbound09:00:136
1263374992220,2cyclictest1897112-21kworker/u16:4+flush-8:012:25:185
1263374992220,2cyclictest1575399-21kworker/u16:1+events_unbound10:25:285
1263372992220,2cyclictest1575398-21kworker/u16:0+flush-8:010:23:224
1263372992220,2cyclictest1489910-21kworker/u16:3+events_unbound09:29:324
1263372992220,2cyclictest1209647-21kworker/u16:0+flush-8:007:15:014
1263377992119,2cyclictest1489910-21kworker/u16:3+events_unbound09:14:296
1263377992119,2cyclictest1432933-21kworker/u16:2+events_unbound08:49:036
1263377992119,2cyclictest1394083-21kworker/u16:0+events_unbound08:49:586
1263377992119,2cyclictest1264812-21kworker/u16:4+events_unbound07:25:036
1263377992119,2cyclictest1243848-21kworker/u16:2+events_unbound07:36:076
1263374992119,2cyclictest1810565-21kworker/u16:4+flush-8:011:15:185
1263372992119,2cyclictest1995995-21kworker/u16:3+flush-8:012:35:164
1263372992119,2cyclictest1634583-21kworker/u16:3+events_unbound10:30:034
1263372992119,2cyclictest1394083-21kworker/u16:0+flush-8:009:14:554
1263374992018,2cyclictest1897111-21kworker/u16:2+events_unbound11:55:085
1263374992018,2cyclictest1897111-21kworker/u16:2+events_unbound11:55:085
1263374992018,2cyclictest1634583-21kworker/u16:3+flush-8:010:40:105
1263374992018,2cyclictest1575399-21kworker/u16:1+flush-8:010:45:305
1263374992018,2cyclictest1575398-21kworker/u16:0+flush-8:011:09:505
1263374992018,2cyclictest1526620-21kworker/u16:6+flush-8:009:25:215
1263374992017,3cyclictest1575399-21kworker/u16:1+flush-8:009:50:125
1263372992018,2cyclictest1856609-21kworker/u16:0+events_unbound11:45:024
1263372992018,2cyclictest1634583-21kworker/u16:3+events_unbound10:35:394
1263372992018,2cyclictest1575399-21kworker/u16:1+flush-8:009:40:054
1263372992018,2cyclictest1209647-21kworker/u16:0+events_unbound07:55:034
1263374991917,2cyclictest1634583-21kworker/u16:3+events_unbound11:30:235
1263374991917,2cyclictest1264812-21kworker/u16:4+flush-8:007:20:265
1263372991917,2cyclictest1770715-21kworker/u16:1+events_unbound11:20:094
1263372991917,2cyclictest1575399-21kworker/u16:1+flush-8:010:25:344
1263372991917,2cyclictest1411958-21kworker/u16:1+flush-8:008:50:174
1263372991917,2cyclictest1373547-21kworker/u16:4+events_unbound08:25:034
1263372991917,2cyclictest1209647-21kworker/u16:0+flush-8:007:45:214
1263381991816,1cyclictest0-21swapper/707:16:577
126338199180,17cyclictest0-21swapper/708:40:197
1263377991816,2cyclictest1394083-21kworker/u16:0+events_unbound08:20:536
1263377991816,2cyclictest1345157-21kworker/u16:2+events_unbound07:57:516
1263374991816,2cyclictest1366672-21kworker/u16:3+flush-8:008:10:105
1263374991816,1cyclictest1934150-21cat12:04:555
1263372991816,2cyclictest1770715-21kworker/u16:1+flush-8:011:19:504
1263372991816,2cyclictest1723683-21kworker/u16:5+flush-8:010:55:264
1263372991816,2cyclictest1575399-21kworker/u16:1+events_unbound10:15:144
1263372991816,2cyclictest1523060-21kworker/u16:2+events_unbound09:45:084
1263372991816,2cyclictest1432933-21kworker/u16:2+events_unbound08:55:104
1263372991816,2cyclictest1366672-21kworker/u16:3+flush-8:008:10:214
1263381991714,2cyclictest1278-21snmpd07:10:267
1263377991715,2cyclictest1411958-21kworker/u16:1+flush-8:008:44:386
1263377991715,2cyclictest1366672-21kworker/u16:3+events_unbound08:13:076
1263374991715,2cyclictest1575399-21kworker/u16:1+flush-8:010:20:225
1263374991715,2cyclictest1575398-21kworker/u16:0+events_unbound11:00:095
1263374991713,3cyclictest1394083-21kworker/u16:0+events_unbound09:05:105
1263372991715,2cyclictest1897111-21kworker/u16:2+events_unbound12:10:444
1263372991715,2cyclictest1575398-21kworker/u16:0+flush-8:011:01:264
1263372991715,2cyclictest1373547-21kworker/u16:4+flush-8:008:04:564
1263372991715,2cyclictest1209647-21kworker/u16:0+events_unbound07:42:174
12769322160,1sleep60-21swapper/607:14:596
126338199160,14cyclictest1278-21snmpd08:47:297
126338199160,14cyclictest0-21swapper/709:25:207
126338199160,14cyclictest0-21swapper/709:15:207
1263377991614,2cyclictest1489910-21kworker/u16:3+events_unbound09:09:056
1263377991614,2cyclictest1366672-21kworker/u16:3+events_unbound08:05:206
1263377991614,2cyclictest1264812-21kworker/u16:4+events_unbound07:22:156
1263377991614,2cyclictest1209647-21kworker/u16:0+flush-8:007:32:066
1263374991614,2cyclictest1523060-21kworker/u16:2+flush-8:009:40:345
1263374991614,2cyclictest1394083-21kworker/u16:0+flush-8:008:15:215
1263372991614,2cyclictest1770715-21kworker/u16:1+flush-8:011:05:414
1263372991614,2cyclictest1575398-21kworker/u16:0+flush-8:010:50:054
1263372991614,2cyclictest1523060-21kworker/u16:2+events_unbound09:16:034
1263372991614,2cyclictest1394083-21kworker/u16:0+events_unbound08:33:214
1263372991614,2cyclictest1209647-21kworker/u16:0+events_unbound07:10:104
126338199157,7cyclictest6160-21gmain09:22:377
1263381991512,2cyclictest1278-21snmpd11:56:167
1263381991512,2cyclictest1278-21snmpd11:56:167
1263377991513,2cyclictest1411958-21kworker/u16:1+events_unbound08:56:036
1263374991513,2cyclictest1209647-21kworker/u16:0+flush-8:007:14:565
1263374991511,3cyclictest2020542-21awk12:39:555
1263372991513,2cyclictest1897111-21kworker/u16:2+flush-8:012:30:234
1263372991513,2cyclictest1856609-21kworker/u16:0+flush-8:011:37:514
1263372991513,2cyclictest1856609-21kworker/u16:0+flush-8:011:30:334
1263372991513,2cyclictest1575398-21kworker/u16:0+flush-8:010:00:074
1263372991513,2cyclictest1489910-21kworker/u16:3+events_unbound09:22:344
1263372991513,2cyclictest1345157-21kworker/u16:2+events_unbound08:18:404
1263372991513,2cyclictest1345157-21kworker/u16:2+events_unbound08:08:084
1263372991510,2cyclictest1575399-21kworker/u16:1+events_unbound09:55:434
1263372991510,2cyclictest1575399-21kworker/u16:1+events_unbound09:55:434
126338199148,5cyclictest6634-21gmain12:05:147
126338199148,5cyclictest650-21systemd-journal11:19:557
126338199140,13cyclictest1735760-21turbostat10:44:567
126338199140,13cyclictest1364464-21turbostat07:59:567
126338199140,13cyclictest0-21swapper/712:00:187
126338199140,12cyclictest1278-21snmpd11:13:127
1263377991412,2cyclictest1411958-21kworker/u16:1+flush-8:008:30:126
1263377991412,2cyclictest1411958-21kworker/u16:1+events_unbound08:28:386
1263377991412,2cyclictest1394083-21kworker/u16:0+flush-8:008:36:066
1263377991412,2cyclictest1325369-21kworker/u16:3+events_unbound07:47:066
1263374991413,1cyclictest0-21swapper/509:35:355
1263374991412,2cyclictest1243848-21kworker/u16:2+flush-8:007:29:565
1263374991411,2cyclictest997-21gdbus10:49:595
1263374991410,3cyclictest1896986-21cat11:49:555
1263374991410,3cyclictest1209647-21kworker/u16:0+flush-8:007:50:275
1263374991410,3cyclictest1209647-21kworker/u16:0+flush-8:007:50:275
126337499140,1cyclictest0-21swapper/509:48:495
126337499140,14cyclictest0-21swapper/511:12:135
126337499140,14cyclictest0-21swapper/510:15:195
1263372991413,1cyclictest0-21swapper/412:26:024
1263372991412,2cyclictest1773407-21kworker/u16:2+events_unbound11:25:294
1263372991412,2cyclictest1575398-21kworker/u16:0+events_unbound09:51:554
1263372991412,2cyclictest1432933-21kworker/u16:2+events_unbound08:44:044
1263372991412,2cyclictest1394083-21kworker/u16:0+flush-8:008:20:224
1263372991412,2cyclictest1209647-21kworker/u16:0+flush-8:007:50:444
1263372991412,2cyclictest1209647-21kworker/u16:0+flush-8:007:50:444
1263372991411,2cyclictest1243848-21kworker/u16:2+flush-8:007:30:144
126338199139,3cyclictest1278-21snmpd09:37:247
126338199139,3cyclictest1278-21snmpd08:33:497
126338199139,3cyclictest1278-21snmpd08:21:047
126338199139,3cyclictest1278-21snmpd08:04:317
126338199139,3cyclictest1278-21snmpd07:41:457
126338199138,4cyclictest1278-21snmpd07:35:097
1263381991312,0cyclictest0-21swapper/712:10:177
1263381991311,1cyclictest0-21swapper/711:45:137
1263381991310,2cyclictest1228-21tuned-ppd11:44:267
126338199130,12cyclictest1278-21snmpd10:46:177
1263377991311,2cyclictest1325369-21kworker/u16:3+flush-8:007:44:546
1263374991312,1cyclictest0-21swapper/512:10:245
1263374991312,1cyclictest0-21swapper/511:24:125
1263374991312,1cyclictest0-21swapper/509:10:125
1263374991310,2cyclictest1394083-21kworker/u16:0+flush-8:009:20:015
126337499130,13cyclictest0-21swapper/511:27:125
126337499130,13cyclictest0-21swapper/510:30:085
126337499130,0cyclictest0-21swapper/512:34:035
126337499130,0cyclictest0-21swapper/510:10:545
1263372991312,1cyclictest0-21swapper/412:15:094
1263372991311,2cyclictest1897111-21kworker/u16:2+events_unbound12:07:154
1263372991311,2cyclictest1856609-21kworker/u16:0+events_unbound12:00:424
1263372991311,2cyclictest1856609-21kworker/u16:0+events_unbound11:40:094
1263372991311,2cyclictest1634583-21kworker/u16:3+events_unbound10:07:394
126337299130,1cyclictest0-21swapper/407:25:514
126338199129,2cyclictest1278-21snmpd10:20:137
126338199129,2cyclictest0-21swapper/710:29:567
126338199128,3cyclictest6341-21gvfs-afc-volume07:45:117
126338199128,3cyclictest1278-21snmpd11:34:137
126338199128,3cyclictest1278-21snmpd10:16:467
126338199128,3cyclictest1278-21snmpd08:58:267
126338199128,3cyclictest1278-21snmpd08:09:077
126338199128,3cyclictest1278-21snmpd07:27:427
126338199126,5cyclictest6341-21gvfs-afc-volume12:18:507
126338199126,5cyclictest6341-21gvfs-afc-volume10:57:037
126338199126,4cyclictest911-21dbus-daemon11:25:267
126338199124,7cyclictest5937-21gmain08:15:097
126338199124,6cyclictest6341-21gvfs-afc-volume08:25:157
1263381991211,0cyclictest0-21swapper/712:22:447
1263381991210,1cyclictest0-21swapper/711:50:117
1263381991210,1cyclictest0-21swapper/710:35:197
1263381991210,1cyclictest0-21swapper/710:10:227
126338199120,2cyclictest1834102-21ssh11:23:127
126338199120,11cyclictest1278-21snmpd12:34:237
1263377991210,2cyclictest1366672-21kworker/u16:3+events_unbound08:04:006
1263374991211,1cyclictest0-21swapper/512:21:265
1263374991211,1cyclictest0-21swapper/512:05:405
1263374991211,1cyclictest0-21swapper/510:37:325
1263374991211,1cyclictest0-21swapper/510:00:295
1263374991211,1cyclictest0-21swapper/509:17:465
126337499120,12cyclictest0-21swapper/507:44:075
1263372991210,2cyclictest1634583-21kworker/u16:3+flush-8:011:50:314
1263372991210,2cyclictest1575399-21kworker/u16:1+events_unbound10:11:534
1263372991210,2cyclictest1489910-21kworker/u16:3+flush-8:009:31:344
1263372991210,2cyclictest1394083-21kworker/u16:0+flush-8:009:04:514
1263372991210,2cyclictest1264812-21kworker/u16:4+events_unbound07:20:534
126338199118,2cyclictest1278-21snmpd07:52:187
126338199118,2cyclictest1278-21snmpd07:52:187
126338199117,3cyclictest6527-21gmain11:05:177
126338199117,3cyclictest1278-21snmpd09:03:327
126338199116,4cyclictest911-21dbus-daemon12:25:267
126338199116,4cyclictest1228-21tuned-ppd09:55:507
126338199116,4cyclictest1228-21tuned-ppd09:55:507
126338199110,9cyclictest2012789-21sh12:35:127
126338199110,1cyclictest1599417-21ssh09:49:187
126338199110,10cyclictest1870984-21ssh11:37:507
126338199110,10cyclictest1586897-21ssh09:43:597
126338199110,10cyclictest1278-21snmpd11:01:267
126338199110,10cyclictest0-21swapper/710:30:187
126337499119,2cyclictest1373547-21kworker/u16:4+events_unbound08:25:095
126337499116,4cyclictest1336665-21grep07:45:115
1263374991110,1cyclictest0-21swapper/512:15:085
1263374991110,1cyclictest0-21swapper/510:57:155
1263374991110,1cyclictest0-21swapper/508:51:075
1263374991110,1cyclictest0-21swapper/508:31:345
1263374991110,1cyclictest0-21swapper/508:20:325
1263374991110,1cyclictest0-21swapper/507:57:035
1263374991110,1cyclictest0-21swapper/507:32:465
126337499110,11cyclictest0-21swapper/508:59:105
126337499110,11cyclictest0-21swapper/508:44:395
126337499110,11cyclictest0-21swapper/508:39:465
126337499110,11cyclictest0-21swapper/508:09:395
126337299119,2cyclictest1489910-21kworker/u16:3+events_unbound09:06:054
126337299119,2cyclictest1394083-21kworker/u16:0+flush-8:008:46:414
126338199107,2cyclictest1278-21snmpd08:10:377
126338199106,3cyclictest1278-21snmpd07:31:487
126338199106,3cyclictest1278-21snmpd07:24:037
126338199100,9cyclictest1646953-21ssh10:06:047
126338199100,9cyclictest1560598-21ssh09:31:217
126338199100,8cyclictest1500400-21runrttasks09:06:367
126338199100,1cyclictest1610400-21ssh09:51:587
126337499109,1cyclictest0-21swapper/509:34:105
126337499109,1cyclictest0-21swapper/509:03:535
126337499105,4cyclictest1873176-21diskstats11:40:085
126337299108,2cyclictest1897112-21kworker/u16:4+events_unbound12:21:504
12633819996,2cyclictest6696-21gmain10:00:177
12633819996,2cyclictest6160-21gmain09:10:097
12633819995,3cyclictest1278-21snmpd08:51:147
12633819990,8cyclictest934-21NetworkManager08:35:207
12633749998,1cyclictest0-21swapper/509:56:045
12633749998,1cyclictest0-21swapper/509:56:045
12633749998,1cyclictest0-21swapper/507:15:165
12633749997,2cyclictest1432933-21kworker/u16:2+flush-8:008:45:275
12633749991,7cyclictest0-21swapper/510:05:245
12633749986,1cyclictest0-21swapper/511:39:555
12633749973,3cyclictest1317150-21sed07:35:135
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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