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2026-04-09 - 19:09
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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 Thu Apr 09, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
104773425545,7sleep60-21swapper/607:01:316
1048071994946,2cyclictest1038683-21kworker/u16:1+events_unbound09:02:074
104768724838,7sleep50-21swapper/507:00:495
103868024834,9sleep40-21swapper/406:57:114
1048075994745,2cyclictest1488252-21kworker/u16:1+events_unbound10:32:095
1048075994745,2cyclictest1038683-21kworker/u16:1+events_unbound07:24:095
1048075994643,2cyclictest1318249-21kworker/u16:0+events_unbound11:17:255
1048082994539,5cyclictest1166793-21latency_hist08:02:077
1048075994442,2cyclictest1318249-21kworker/u16:0+flush-8:010:52:375
1048075994442,2cyclictest1318249-21kworker/u16:0+flush-8:010:52:375
1048082994234,6cyclictest650-21systemd-journal07:42:077
1048071994240,2cyclictest1748167-21kworker/u16:1+events_unbound12:17:074
1048071994239,2cyclictest1318249-21kworker/u16:0+events_unbound12:07:094
1048071994239,2cyclictest1318249-21kworker/u16:0+events_unbound12:07:094
1048082994135,5cyclictest1185893-21latency_hist08:12:077
1048075994139,2cyclictest1318249-21kworker/u16:0+events_unbound11:23:255
1048075994038,2cyclictest1694327-21kworker/u16:2+events_unbound11:59:385
1048071994038,2cyclictest1463918-21kworker/u16:4+events_unbound10:32:074
10386842404,31sleep70-21swapper/706:57:147
1048075993937,2cyclictest1318249-21kworker/u16:0+events_unbound10:43:415
1048075993937,2cyclictest1195576-21kworker/u16:3+events_unbound09:32:095
1048075993937,2cyclictest1038683-21kworker/u16:1+events_unbound09:14:515
1048075993936,2cyclictest1748167-21kworker/u16:1+events_unbound12:17:095
1048075993836,2cyclictest1764677-21kworker/u16:0+events_unbound12:24:125
1048075993836,2cyclictest1413818-21kworker/u16:2+events_unbound09:58:145
1048075993735,2cyclictest1620661-21kworker/u16:1+events_unbound11:45:385
1048075993735,2cyclictest1318249-21kworker/u16:0+events_unbound10:42:055
1048075993735,2cyclictest1303436-21kworker/u16:2+events_unbound09:38:595
1048075993735,2cyclictest1195576-21kworker/u16:3+events_unbound09:52:075
1048075993634,2cyclictest1764677-21kworker/u16:0+events_unbound12:30:175
1048075993634,2cyclictest1463918-21kworker/u16:4+events_unbound10:47:255
1048075993634,2cyclictest1463918-21kworker/u16:4+events_unbound10:47:255
1048075993634,2cyclictest1461645-21kworker/u16:3+events_unbound10:15:545
1048075993634,2cyclictest1427865-21kworker/u16:1+events_unbound10:06:545
1048075993634,2cyclictest1318249-21kworker/u16:0+flush-8:009:18:095
1048075993634,2cyclictest1318249-21kworker/u16:0+events_unbound12:10:545
1048075993634,2cyclictest1318249-21kworker/u16:0+events_unbound12:10:545
1048075993533,2cyclictest1119031-21kworker/u16:0+events_unbound07:52:035
1048071993533,2cyclictest1548731-21kworker/u16:2+events_unbound11:12:094
1048071993533,2cyclictest1318249-21kworker/u16:0+events_unbound11:21:064
1048082993433,0cyclictest0-21swapper/707:22:227
104808299340,32cyclictest1195575-21cat08:17:077
1048078993431,2cyclictest1318249-21kworker/u16:0+events_unbound10:17:206
1048075993432,2cyclictest1730652-21kworker/u16:4+events_unbound12:13:235
1048075993432,2cyclictest1548731-21kworker/u16:2+events_unbound11:00:545
1048075993432,2cyclictest1463918-21kworker/u16:4+events_unbound10:31:105
1048075993432,2cyclictest1342369-21kworker/u16:1+events_unbound09:53:065
1048071993431,2cyclictest1303436-21kworker/u16:2+events_unbound09:09:114
1048082993332,0cyclictest0-21swapper/709:42:337
1048075993331,2cyclictest1694327-21kworker/u16:2+events_unbound11:56:095
1048075993331,2cyclictest1642640-21kworker/u16:3+events_unbound12:03:465
1048075993331,2cyclictest1548731-21kworker/u16:2+events_unbound11:36:465
1048075993331,2cyclictest1318249-21kworker/u16:0+events_unbound10:18:265
1048075993331,2cyclictest1303436-21kworker/u16:2+events_unbound09:25:095
1048075993331,2cyclictest1038683-21kworker/u16:1+events_unbound09:08:095
1048075993330,2cyclictest1099342-21kworker/u16:5+flush-8:007:37:335
1048075993330,2cyclictest1028817-21kworker/u16:3+events_unbound07:02:115
1048071993329,3cyclictest1099352-21PK-Backend07:24:174
1048082993230,1cyclictest1557689-21strings10:52:307
1048082993230,1cyclictest1557689-21strings10:52:307
1048075993230,2cyclictest1303436-21kworker/u16:2+events_unbound09:43:495
1048075993230,2cyclictest1195576-21kworker/u16:3+events_unbound09:29:215
1048075993230,2cyclictest1195576-21kworker/u16:3+events_unbound09:29:215
1048071993230,2cyclictest1195576-21kworker/u16:3+events_unbound10:01:064
1048075993129,2cyclictest1463918-21kworker/u16:4+events_unbound11:10:255
1048075993129,2cyclictest1318249-21kworker/u16:0+events_unbound11:41:065
1048075993129,2cyclictest1318249-21kworker/u16:0+events_unbound11:03:255
1048075993129,2cyclictest1243352-21kworker/u16:0+events_unbound09:05:255
1048071993129,2cyclictest1195576-21kworker/u16:3+events_unbound09:23:234
1048071993128,2cyclictest1642640-21kworker/u16:3+events_unbound11:43:544
1048082993029,0cyclictest0-21swapper/711:27:257
1048082993029,0cyclictest0-21swapper/711:27:257
1048075993029,1cyclictest1620661-21kworker/u16:1+events_unbound11:50:545
1048075993028,2cyclictest1548731-21kworker/u16:2+events_unbound11:13:215
1048075993028,2cyclictest1318249-21kworker/u16:0+events_unbound10:09:255
1048075993028,2cyclictest1243352-21kworker/u16:0+flush-8:008:52:025
1048071993028,2cyclictest1620661-21kworker/u16:1+events_unbound11:22:424
1048071993028,2cyclictest1318249-21kworker/u16:0+events_unbound10:40:064
1048071993028,2cyclictest1303436-21kworker/u16:2+events_unbound09:33:294
104808299290,27cyclictest1262439-21munin-plugin-st08:52:077
1048075992927,2cyclictest1318249-21kworker/u16:0+events_unbound11:31:575
1048075992927,2cyclictest1318249-21kworker/u16:0+events_unbound11:31:575
1048071992927,2cyclictest1694327-21kworker/u16:2+events_unbound12:00:094
1048082992826,1cyclictest0-21swapper/711:42:347
1048075992826,2cyclictest1463918-21kworker/u16:4+events_unbound10:26:215
1048071992826,2cyclictest1488252-21kworker/u16:1+events_unbound10:50:064
1048071992826,2cyclictest1488252-21kworker/u16:1+events_unbound10:50:064
1048071992826,2cyclictest1427865-21kworker/u16:1+events_unbound10:15:304
1048071992826,2cyclictest1427865-21kworker/u16:1+events_unbound10:02:284
1048071992825,2cyclictest1463918-21kworker/u16:4+events_unbound11:02:094
1048071992825,2cyclictest1195576-21kworker/u16:3+flush-8:008:47:334
1048071992725,2cyclictest1642640-21kworker/u16:3+events_unbound11:33:334
1048071992725,2cyclictest1548731-21kworker/u16:2+events_unbound10:54:064
1048071992725,2cyclictest1548731-21kworker/u16:2+events_unbound10:54:064
1048071992725,2cyclictest1463918-21kworker/u16:4+events_unbound10:33:234
1048071992725,2cyclictest1318249-21kworker/u16:0+events_unbound09:49:094
1048071992725,2cyclictest1195576-21kworker/u16:3+events_unbound09:30:064
1048071992725,2cyclictest1195576-21kworker/u16:3+events_unbound09:30:064
104808299260,25cyclictest1272083-21systemd-run08:57:077
1048071992624,2cyclictest1318249-21kworker/u16:0+events_unbound10:44:024
1048071992624,2cyclictest1318249-21kworker/u16:0+events_unbound09:55:384
1048071992624,2cyclictest1303436-21kworker/u16:2+events_unbound09:21:264
1048071992624,2cyclictest1038683-21kworker/u16:1+flush-8:008:22:024
1048082992524,0cyclictest0-21swapper/710:12:257
1048075992523,2cyclictest1195576-21kworker/u16:3+events_unbound08:47:025
1048071992523,2cyclictest1427865-21kworker/u16:1+events_unbound10:07:104
1048071992523,2cyclictest1038683-21kworker/u16:1+events_unbound07:42:024
1048071992522,2cyclictest1243352-21kworker/u16:0+events_unbound08:42:194
1048071992422,2cyclictest1694327-21kworker/u16:2+events_unbound11:55:144
1048071992422,2cyclictest1318249-21kworker/u16:0+events_unbound12:04:064
1048071992422,2cyclictest1318249-21kworker/u16:0+events_unbound10:19:294
1048071992422,2cyclictest1318249-21kworker/u16:0+events_unbound09:44:184
1048071992422,2cyclictest1303436-21kworker/u16:2+events_unbound09:41:344
1048082992322,0cyclictest0-21swapper/707:12:277
1048075992321,2cyclictest1243352-21kworker/u16:0+flush-8:008:58:065
1048071992321,2cyclictest1642640-21kworker/u16:3+events_unbound11:31:534
1048071992321,2cyclictest1642640-21kworker/u16:3+events_unbound11:31:534
1048071992321,2cyclictest1548731-21kworker/u16:2+events_unbound11:07:374
1048071992320,2cyclictest1303436-21kworker/u16:2+events_unbound09:12:134
1048082992220,1cyclictest1057480-21awk07:07:077
1048078992219,2cyclictest1548731-21kworker/u16:2+flush-8:011:13:086
1048071992220,2cyclictest1764677-21kworker/u16:0+events_unbound12:31:574
1048071992220,2cyclictest1463918-21kworker/u16:4+events_unbound10:24:534
1048071992220,2cyclictest1243352-21kworker/u16:0+events_unbound09:06:334
104808299210,19cyclictest1626418-21cut11:22:247
1048075992119,2cyclictest1119031-21kworker/u16:0+events_unbound07:52:505
1048071992119,2cyclictest1748167-21kworker/u16:1+events_unbound12:26:464
1048071992119,2cyclictest1642640-21kworker/u16:3+events_unbound11:52:014
1048071992119,2cyclictest1548731-21kworker/u16:2+events_unbound10:59:134
1048071992119,2cyclictest1318249-21kworker/u16:0+events_unbound11:39:504
1048082992016,3cyclictest124-21kswapd011:47:317
1048075992018,2cyclictest1206629-21kworker/u16:2+events_unbound08:29:195
1048075992018,2cyclictest1038683-21kworker/u16:1+events_unbound07:29:195
1048075992018,2cyclictest1038683-21kworker/u16:1+events_unbound07:19:195
1048075992018,2cyclictest1038683-21kworker/u16:1+events_unbound07:19:195
1048082991915,3cyclictest1281642-21diskmemload09:37:317
1048082991914,4cyclictest650-21systemd-journal09:02:027
1048078991916,3cyclictest1195576-21kworker/u16:3+events_unbound09:07:306
1048082991814,3cyclictest1363523-21ssh09:32:327
1048082991814,3cyclictest1267-21snmpd08:36:537
1048082991813,4cyclictest650-21systemd-journal09:27:017
1048082991813,4cyclictest1109231-21latency_hist07:32:077
1048078991814,3cyclictest1303436-21kworker/u16:2+flush-8:009:43:146
1048071991816,2cyclictest1119031-21kworker/u16:0+events_unbound07:59:194
1048071991816,2cyclictest1038683-21kworker/u16:1+events_unbound08:22:274
1048082991714,2cyclictest0-21swapper/710:27:087
1048075991715,2cyclictest1119031-21kworker/u16:0+events_unbound07:57:145
1048075991715,2cyclictest1028817-21kworker/u16:3+flush-8:007:07:465
104808299168,7cyclictest0-21swapper/711:52:247
104808299168,7cyclictest0-21swapper/711:12:277
104808299167,8cyclictest0-21swapper/709:12:287
104808299165,10cyclictest5747-21gnome-shell11:03:177
1048082991614,1cyclictest0-21swapper/709:17:287
1048082991613,2cyclictest1399920-21ssh09:47:307
1048082991610,5cyclictest1224189-21latency_hist08:32:087
1048078991613,2cyclictest1642640-21kworker/u16:3+flush-8:011:32:126
1048075991614,2cyclictest1038683-21kworker/u16:1+events_unbound08:07:365
1048075991613,2cyclictest1206629-21kworker/u16:2+flush-8:008:37:075
104808299158,6cyclictest0-21swapper/710:17:257
104808299158,6cyclictest0-21swapper/709:02:207
104808299157,7cyclictest0-21swapper/712:12:237
104808299157,7cyclictest0-21swapper/710:37:307
104808299157,7cyclictest0-21swapper/708:22:557
104808299156,8cyclictest0-21swapper/710:22:177
1048082991511,3cyclictest1267-21snmpd10:00:167
104808299150,14cyclictest0-21swapper/709:27:397
104808299150,14cyclictest0-21swapper/709:27:397
104807899150,1cyclictest12048782sleep608:19:596
1048075991513,2cyclictest1206629-21kworker/u16:2+events_unbound08:23:255
1048075991513,2cyclictest1119031-21kworker/u16:0+flush-8:008:13:055
1048075991513,2cyclictest1038683-21kworker/u16:1+events_unbound08:34:555
1048075991513,2cyclictest1038683-21kworker/u16:1+events_unbound07:32:375
1048071991513,2cyclictest1764677-21kworker/u16:0+events_unbound12:18:574
1048071991513,2cyclictest1038683-21kworker/u16:1+events_unbound08:27:344
104808299147,6cyclictest0-21swapper/710:47:167
104808299147,6cyclictest0-21swapper/710:47:167
104808299147,6cyclictest0-21swapper/710:02:297
104808299146,7cyclictest0-21swapper/711:57:307
104808299146,7cyclictest0-21swapper/711:37:297
104808299145,8cyclictest0-21swapper/712:20:047
104808299145,8cyclictest0-21swapper/712:12:017
104808299145,8cyclictest0-21swapper/712:12:017
104808299145,8cyclictest0-21swapper/710:08:227
1048082991412,1cyclictest1652243-21ssh11:32:277
1048078991413,1cyclictest0-21swapper/612:07:286
1048078991413,1cyclictest0-21swapper/612:07:286
1048078991413,1cyclictest0-21swapper/611:47:556
1048078991413,1cyclictest0-21swapper/611:11:406
1048078991413,1cyclictest0-21swapper/611:03:096
1048078991413,1cyclictest0-21swapper/609:12:296
1048078991411,2cyclictest1028817-21kworker/u16:3+flush-8:007:22:246
104807899140,1cyclictest0-21swapper/612:14:256
104807899140,1cyclictest0-21swapper/610:42:216
104807899140,14cyclictest0-21swapper/610:53:046
104807899140,14cyclictest0-21swapper/610:53:046
1048075991412,2cyclictest1038683-21kworker/u16:1+events_unbound08:17:225
1048071991412,2cyclictest1195576-21kworker/u16:3+flush-8:008:42:024
1048071991412,2cyclictest1028817-21kworker/u16:3+events_unbound07:04:464
104807199140,14cyclictest0-21swapper/407:52:074
16116222130,0sleep60-21swapper/611:17:246
104808299139,3cyclictest1618405-21ntpq11:17:347
104808299139,3cyclictest1061587-21/usr/sbin/munin07:07:287
104808299139,3cyclictest0-21swapper/707:42:317
104808299136,6cyclictest0-21swapper/712:02:297
104808299136,6cyclictest0-21swapper/711:07:177
104808299136,6cyclictest0-21swapper/710:33:207
104808299136,6cyclictest0-21swapper/709:09:437
104808299135,7cyclictest0-21swapper/712:23:507
104808299135,7cyclictest0-21swapper/710:42:297
104808299135,7cyclictest0-21swapper/709:52:257
1048082991313,0cyclictest0-21swapper/710:57:247
1048082991313,0cyclictest0-21swapper/708:02:337
1048082991313,0cyclictest0-21swapper/708:02:337
1048082991310,2cyclictest1238-21tuned-ppd07:52:257
1048082991310,2cyclictest1089913-21munin-run07:22:077
1048082991310,2cyclictest1089913-21munin-run07:22:077
104808299130,1cyclictest0-21swapper/712:27:307
1048078991312,1cyclictest0-21swapper/611:58:206
1048078991312,1cyclictest0-21swapper/611:45:526
1048078991312,1cyclictest0-21swapper/611:39:346
1048078991312,1cyclictest0-21swapper/610:28:006
1048078991312,1cyclictest0-21swapper/609:41:106
1048078991312,1cyclictest0-21swapper/609:18:096
104807899130,13cyclictest0-21swapper/611:54:146
104807899130,13cyclictest0-21swapper/609:35:496
104807899130,13cyclictest0-21swapper/609:03:116
104807899130,0cyclictest0-21swapper/612:27:586
1048075991311,2cyclictest362137-21kworker/u16:0+events_unbound07:12:095
1048075991311,2cyclictest1038683-21kworker/u16:1+flush-8:007:42:245
1048075991310,2cyclictest1119031-21kworker/u16:0+flush-8:008:02:245
1048075991310,2cyclictest1119031-21kworker/u16:0+flush-8:008:02:245
104807199139,3cyclictest1110401-21cat07:32:234
104808299129,2cyclictest1267-21snmpd08:21:327
104808299129,2cyclictest1267-21snmpd07:33:047
104808299120,10cyclictest1250961-21cut08:42:287
1048078991211,1cyclictest0-21swapper/610:12:426
1048078991211,1cyclictest0-21swapper/609:57:436
1048078991211,1cyclictest0-21swapper/607:48:276
1048078991211,1cyclictest0-21swapper/607:15:206
1048078991211,1cyclictest0-21swapper/607:07:376
104807599120,1cyclictest0-21swapper/508:55:085
104807199129,2cyclictest1099342-21kworker/u16:5+events_unbound07:52:294
1048071991211,1cyclictest0-21swapper/407:42:204
104807199120,1cyclictest0-21swapper/408:53:264
626589110,1rtkit-daemon0-21swapper/608:24:176
104808299110,1cyclictest0-21swapper/707:47:257
1048078991110,1cyclictest0-21swapper/610:26:066
1048078991110,1cyclictest0-21swapper/608:53:346
1048078991110,1cyclictest0-21swapper/608:47:536
1048078991110,1cyclictest0-21swapper/608:40:196
1048078991110,1cyclictest0-21swapper/608:32:456
1048078991110,1cyclictest0-21swapper/608:04:136
1048078991110,1cyclictest0-21swapper/608:04:136
1048078991110,1cyclictest0-21swapper/607:38:596
1048078991110,1cyclictest0-21swapper/607:34:166
104807899110,11cyclictest0-21swapper/607:43:436
104807199119,2cyclictest1038683-21kworker/u16:1+flush-8:008:07:314
1048071991110,1cyclictest0-21swapper/407:08:084
104807199110,11cyclictest0-21swapper/408:17:014
104807199110,11cyclictest0-21swapper/407:21:034
104807199110,11cyclictest0-21swapper/407:21:034
104808299103,6cyclictest0-21swapper/708:40:007
104807899109,1cyclictest0-21swapper/612:23:246
104807899109,1cyclictest0-21swapper/612:02:456
104807899109,1cyclictest0-21swapper/609:01:176
104807899109,1cyclictest0-21swapper/608:44:066
104807899109,1cyclictest0-21swapper/608:13:036
104807899109,1cyclictest0-21swapper/607:02:346
104807199107,2cyclictest1171326-21kthreadcore08:02:254
104807199107,2cyclictest1171326-21kthreadcore08:02:254
10480789998,1cyclictest0-21swapper/612:21:116
10480789998,1cyclictest0-21swapper/610:51:016
10480789998,1cyclictest0-21swapper/610:51:016
10480789996,2cyclictest1500838-21/usr/sbin/munin10:32:346
10480789990,8cyclictest0-21swapper/607:27:246
10480719990,8cyclictest0-21swapper/408:32:244
10480719990,8cyclictest0-21swapper/407:12:214
10480789987,1cyclictest0-21swapper/610:41:246
10480789987,1cyclictest0-21swapper/607:53:116
10480789986,2cyclictest1548731-21kworker/u16:2+flush-8:010:57:226
10480789986,1cyclictest0-21swapper/609:52:346
10480789985,2cyclictest0-21swapper/607:17:236
10480789985,2cyclictest0-21swapper/607:17:236
10480789984,3cyclictest1392180-21cat09:47:206
10480789983,4cyclictest1442325-21cut10:07:246
10480789983,4cyclictest1337912-21cut09:22:266
10480789980,1cyclictest0-21swapper/608:07:256
10480789974,1cyclictest201rcu_preempt11:25:446
10480789973,3cyclictest1634837-21tune2fs11:27:206
10480789973,3cyclictest1634837-21tune2fs11:27:206
10480789973,3cyclictest1158150-21uniq07:57:216
10480789972,4cyclictest1428116-21expr10:02:186
10480789972,4cyclictest1343618-21if_err_p4p109:27:226
10480789972,4cyclictest1343618-21if_err_p4p109:27:226
10480789972,4cyclictest1216095-21sed08:27:236
10480719973,3cyclictest1100385-21cat07:27:194
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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