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2026-09-04 - 07:50
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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 792 highest latencies:
System rack0slot2.osadl.org (updated Fri Sep 04, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
155971721030,1sleep71559718-21ssh21:49:437
15400622660,1sleep71540063-21kthreadcore21:39:507
122325925444,7sleep50-21swapper/519:08:045
1223639994543,2cyclictest1885964-21kworker/u16:2+events_unbound00:04:415
122333724433,7sleep60-21swapper/619:09:106
1223643994135,6cyclictest1885964-21kworker/u16:2+events_unbound00:07:006
1223639994139,2cyclictest1885964-21kworker/u16:2+events_unbound00:19:525
12231362405,30sleep70-21swapper/719:06:227
1223645993935,2cyclictest1644253-21date22:24:267
1223643993937,2cyclictest1558669-21kworker/u16:4+flush-8:000:10:006
1223643993937,2cyclictest1558669-21kworker/u16:4+flush-8:000:10:006
1223643993936,2cyclictest1286045-21kworker/u16:2+events_unbound20:04:446
1223639993937,2cyclictest1324621-21kworker/u16:0+events_unbound21:57:245
1223643993835,2cyclictest1509627-21kworker/u16:3+events_unbound22:49:276
1223639993836,2cyclictest1925146-21kworker/u16:4+events_unbound00:34:255
1223639993836,2cyclictest1827341-21kworker/u16:1+events_unbound00:01:045
1223639993836,2cyclictest1730104-21kworker/u16:1+events_unbound23:02:015
1223643993735,2cyclictest1730104-21kworker/u16:1+events_unbound23:00:336
1223643993735,2cyclictest1558669-21kworker/u16:4+events_unbound23:13:016
1223643993735,2cyclictest1441324-21kworker/u16:1+events_unbound21:22:176
1223643993735,2cyclictest1441324-21kworker/u16:1+events_unbound21:22:176
1223639993735,2cyclictest1925146-21kworker/u16:4+events_unbound00:25:575
1223639993735,2cyclictest1570924-21kworker/u16:5+events_unbound22:43:455
1223639993735,2cyclictest1558669-21kworker/u16:4+events_unbound23:46:565
1223639993735,2cyclictest1441324-21kworker/u16:1+events_unbound21:52:345
1223639993735,2cyclictest1324621-21kworker/u16:0+events_unbound21:14:105
1223639993734,2cyclictest1304174-21kworker/u16:4+events_unbound19:49:295
122328523726,8sleep40-21swapper/419:08:284
1223643993634,2cyclictest1570924-21kworker/u16:5+flush-8:022:49:086
1223643993634,2cyclictest1570924-21kworker/u16:5+flush-8:022:49:086
1223643993634,2cyclictest1558669-21kworker/u16:4+events_unbound23:17:216
1223643993634,2cyclictest1441324-21kworker/u16:1+events_unbound21:50:496
1223643993633,2cyclictest1912374-21kworker/u16:1+flush-8:000:34:416
1223639993634,2cyclictest1766661-21kworker/u16:0+events_unbound00:14:255
1223639993634,2cyclictest1766661-21kworker/u16:0+events_unbound00:14:255
1223639993634,2cyclictest1558669-21kworker/u16:4+events_unbound22:37:205
1223639993634,2cyclictest1441324-21kworker/u16:1+events_unbound21:31:405
1223639993634,2cyclictest1324621-21kworker/u16:0+events_unbound22:01:325
1223643993533,2cyclictest1925146-21kworker/u16:4+events_unbound00:21:256
1223643993533,2cyclictest1851822-21kworker/u16:3+events_unbound23:57:176
1223643993533,2cyclictest1827341-21kworker/u16:1+events_unbound23:46:236
1223643993533,2cyclictest1766661-21kworker/u16:0+events_unbound23:35:326
1223643993533,2cyclictest1570924-21kworker/u16:5+events_unbound22:59:016
1223643993533,2cyclictest1558669-21kworker/u16:4+events_unbound23:21:166
1223643993533,2cyclictest1324621-21kworker/u16:0+events_unbound21:33:586
1223639993533,2cyclictest1885964-21kworker/u16:2+events_unbound00:36:325
1223639993533,2cyclictest1766661-21kworker/u16:0+flush-8:023:30:165
1223639993533,2cyclictest1570924-21kworker/u16:5+events_unbound22:55:525
1223639993533,2cyclictest1570924-21kworker/u16:5+events_unbound22:30:415
1223639993533,2cyclictest1558669-21kworker/u16:4+events_unbound22:15:565
1223639993532,2cyclictest1412042-21kworker/u16:2+events_unbound20:54:285
1223643993432,2cyclictest1925146-21kworker/u16:4+events_unbound00:28:336
1223643993432,2cyclictest1690549-21kworker/u16:0+events_unbound22:41:536
1223643993432,2cyclictest1570924-21kworker/u16:5+events_unbound22:31:286
1223643993432,2cyclictest1558669-21kworker/u16:4+events_unbound22:39:256
1223643993432,2cyclictest1509627-21kworker/u16:3+events_unbound22:20:256
1223643993432,2cyclictest1449940-21kworker/u16:5+events_unbound21:16:336
1223643993432,2cyclictest1324621-21kworker/u16:0+events_unbound22:02:176
1223643993432,2cyclictest1324621-21kworker/u16:0+events_unbound21:12:466
1223639993432,2cyclictest1690549-21kworker/u16:0+events_unbound22:48:325
1223639993432,2cyclictest1690549-21kworker/u16:0+events_unbound22:48:325
1223639993432,2cyclictest1558669-21kworker/u16:4+events_unbound23:20:455
1223639993432,2cyclictest1558669-21kworker/u16:4+events_unbound22:11:535
1223639993432,2cyclictest1509627-21kworker/u16:3+events_unbound23:05:575
1223639993432,2cyclictest1509627-21kworker/u16:3+events_unbound22:06:215
1223639993432,2cyclictest1509627-21kworker/u16:3+events_unbound22:06:215
1223639993432,2cyclictest1449940-21kworker/u16:5+events_unbound21:16:495
1223639993432,2cyclictest1324621-21kworker/u16:0+events_unbound21:47:455
1223639993432,2cyclictest1324621-21kworker/u16:0+events_unbound21:37:495
1223639993432,2cyclictest1324621-21kworker/u16:0+events_unbound21:20:455
1223639993432,2cyclictest1324621-21kworker/u16:0+events_unbound21:20:455
1223643993331,2cyclictest1827341-21kworker/u16:1+flush-8:000:00:336
1223643993331,2cyclictest1766661-21kworker/u16:0+events_unbound23:27:416
1223643993331,2cyclictest1766661-21kworker/u16:0+events_unbound23:27:416
1223643993331,2cyclictest1441324-21kworker/u16:1+flush-8:021:40:166
1223643993331,2cyclictest1324621-21kworker/u16:0+events_unbound21:56:296
1223643993331,2cyclictest1324621-21kworker/u16:0+events_unbound21:26:176
1223639993331,2cyclictest1570924-21kworker/u16:5+events_unbound23:56:175
1223639993331,2cyclictest1570924-21kworker/u16:5+events_unbound23:51:245
1223639993331,2cyclictest1570924-21kworker/u16:5+events_unbound23:38:325
1223639993331,2cyclictest1570924-21kworker/u16:5+events_unbound23:16:295
1223639993331,2cyclictest1509627-21kworker/u16:3+events_unbound22:29:095
1223639993331,2cyclictest1324621-21kworker/u16:0+events_unbound21:29:175
1223643993230,2cyclictest1766661-21kworker/u16:0+events_unbound23:31:336
1223643993230,2cyclictest1324621-21kworker/u16:0+events_unbound21:49:256
1223643993230,2cyclictest1324621-21kworker/u16:0+events_unbound21:37:006
1223639993230,2cyclictest1570924-21kworker/u16:5+events_unbound22:51:575
1223639993230,2cyclictest1286045-21kworker/u16:2+flush-8:020:05:015
1223643993129,2cyclictest1570924-21kworker/u16:5+events_unbound22:18:206
1223643993129,2cyclictest1558669-21kworker/u16:4+events_unbound22:13:336
1223639993129,2cyclictest1912374-21kworker/u16:1+events_unbound00:15:535
1223639993129,2cyclictest1558669-21kworker/u16:4+events_unbound23:41:245
1223639993129,2cyclictest1558669-21kworker/u16:4+events_unbound23:25:445
1223639993129,2cyclictest1558669-21kworker/u16:4+events_unbound23:25:445
1223643993028,2cyclictest1851822-21kworker/u16:3+flush-8:023:50:176
1223643993028,2cyclictest1766661-21kworker/u16:0+events_unbound00:17:046
1223643993028,2cyclictest1558669-21kworker/u16:4+events_unbound22:07:536
1223643993028,2cyclictest1558669-21kworker/u16:4+events_unbound22:07:536
1223639993028,2cyclictest3977071-21kworker/u16:0+events_unbound19:36:575
1223639993028,2cyclictest1392607-21kworker/u16:1+events_unbound20:42:375
1223639993028,2cyclictest1392607-21kworker/u16:1+events_unbound20:42:375
1223639993027,2cyclictest1223384-21kworker/u16:2+events_unbound19:09:295
1223643992927,2cyclictest1324621-21kworker/u16:0+events_unbound20:10:376
1223639992927,2cyclictest1641872-21kworker/u16:0+events_unbound22:22:485
1223639992927,2cyclictest1304174-21kworker/u16:4+events_unbound20:01:015
122364599280,26cyclictest1900663-21latency_hist00:09:267
1223643992826,2cyclictest1925146-21kworker/u16:4+events_unbound00:32:166
1223643992826,2cyclictest1827341-21kworker/u16:1+events_unbound23:44:126
1223643992826,2cyclictest1363715-21kworker/u16:3+events_unbound20:24:286
1223643992826,2cyclictest1286045-21kworker/u16:2+events_unbound20:02:376
1223643992826,2cyclictest1194476-21kworker/u16:1+events_unbound19:16:026
1223639992826,2cyclictest1441324-21kworker/u16:1+events_unbound21:44:085
1223639992826,2cyclictest1363715-21kworker/u16:3+events_unbound20:32:375
1223639992826,2cyclictest1208124-21kworker/u16:3+events_unbound19:27:015
1223643992724,2cyclictest1286045-21kworker/u16:2+flush-8:019:49:376
1223639992725,2cyclictest1422158-21kworker/u16:3+events_unbound20:50:375
1223639992725,2cyclictest1223384-21kworker/u16:2+events_unbound19:23:025
1223639992725,2cyclictest1194476-21kworker/u16:1+events_unbound20:16:375
1223643992624,2cyclictest1558669-21kworker/u16:4+events_unbound22:25:326
1223643992624,2cyclictest1373357-21kworker/u16:4+events_unbound20:36:376
1223643992624,2cyclictest1194476-21kworker/u16:1+events_unbound19:13:376
1223639992624,2cyclictest1558669-21kworker/u16:4+events_unbound23:12:265
1223639992624,2cyclictest1286045-21kworker/u16:2+events_unbound19:58:015
1223639992624,2cyclictest1208124-21kworker/u16:3+events_unbound19:17:015
1223643992523,2cyclictest1509627-21kworker/u16:3+events_unbound23:07:596
1223643992523,2cyclictest1208124-21kworker/u16:3+events_unbound19:30:366
1223639992523,2cyclictest1441324-21kworker/u16:1+events_unbound21:05:215
1223639992523,2cyclictest1324621-21kworker/u16:0+events_unbound20:46:375
16550492240,1chrt1655047-21ssh22:27:027
1223639992422,2cyclictest1324621-21kworker/u16:0+events_unbound20:12:055
1223643992321,2cyclictest1441324-21kworker/u16:1+events_unbound21:05:386
1223639992321,2cyclictest3977071-21kworker/u16:0+events_unbound19:31:015
1223643992220,2cyclictest1392607-21kworker/u16:1+events_unbound20:42:096
1223643992220,2cyclictest1392607-21kworker/u16:1+events_unbound20:42:096
1223643992220,2cyclictest1324621-21kworker/u16:0+events_unbound20:47:106
1223643992220,2cyclictest1208124-21kworker/u16:3+events_unbound19:41:016
1223639992220,2cyclictest1324621-21kworker/u16:0+events_unbound20:36:005
1223639992220,2cyclictest1324621-21kworker/u16:0+events_unbound20:27:285
1223645992120,0cyclictest0-21swapper/719:59:417
1223645992018,1cyclictest0-21swapper/719:19:447
1223645992015,4cyclictest648-21systemd-journal22:09:217
1223645992015,4cyclictest648-21systemd-journal22:09:217
1223643992018,2cyclictest1286045-21kworker/u16:2+events_unbound19:55:176
1223643992018,2cyclictest1208124-21kworker/u16:3+flush-8:019:24:566
1223643992018,2cyclictest1208124-21kworker/u16:3+events_unbound19:37:286
1223643991917,2cyclictest1412042-21kworker/u16:2+events_unbound20:51:366
1223643991917,2cyclictest1324621-21kworker/u16:0+events_unbound20:20:576
1223643991917,2cyclictest1208124-21kworker/u16:3+events_unbound19:48:016
1223639991917,2cyclictest1441324-21kworker/u16:1+events_unbound21:03:495
16760112180,1sleep70-21swapper/722:34:477
122364599180,16cyclictest1277-21snmpd20:28:077
1223639991816,2cyclictest1363715-21kworker/u16:3+events_unbound20:20:455
1223639991816,2cyclictest1304174-21kworker/u16:4+events_unbound19:45:425
1223645991716,0cyclictest0-21swapper/719:24:427
1223645991713,3cyclictest1481964-21rm21:14:517
122364599170,1cyclictest0-21swapper/722:54:507
1223643991715,2cyclictest1441325-21kworker/u16:4+flush-8:021:01:286
1223639991715,2cyclictest3977071-21kworker/u16:0+events_unbound19:41:425
122364599160,15cyclictest895-21dbus-daemon23:59:267
122364599160,14cyclictest1754054-21latency_hist23:09:267
122364599160,14cyclictest0-21swapper/720:34:527
122364599159,5cyclictest648-21systemd-journal20:09:267
122364599159,5cyclictest1314825-21latency_hist19:54:267
1223645991514,0cyclictest0-21swapper/720:14:427
1223645991512,2cyclictest1277-21snmpd21:25:157
122364599150,13cyclictest0-21swapper/722:29:537
1223643991513,2cyclictest1373357-21kworker/u16:4+events_unbound20:31:056
1223635991511,2cyclictest0-21swapper/422:55:474
122364599148,5cyclictest1275938-21latency_hist19:34:277
1223645991411,2cyclictest0-21swapper/723:49:267
1223643991412,2cyclictest1324621-21kworker/u16:0+events_unbound20:57:026
1223635991413,1cyclictest0-21swapper/421:42:194
1223635991411,2cyclictest1558669-21kworker/u16:4+flush-8:023:14:264
122363599140,1cyclictest0-21swapper/421:33:584
122363599140,1cyclictest0-21swapper/420:11:314
122363599140,14cyclictest0-21swapper/423:02:534
122363599140,13cyclictest0-21swapper/423:29:474
122364599139,3cyclictest1277-21snmpd21:30:577
122364599139,3cyclictest1277-21snmpd20:45:387
122364599139,3cyclictest1277-21snmpd20:29:557
122364599139,3cyclictest1277-21snmpd20:24:077
122364599139,2cyclictest1523006-21ssh21:34:417
1223645991313,0cyclictest0-21swapper/723:39:247
122364599130,3cyclictest1937040-21ssh00:24:047
122364599130,12cyclictest1353757-21turbostat20:14:267
122364599130,12cyclictest1277-21snmpd00:10:577
122364599130,12cyclictest1277-21snmpd00:10:577
1223643991311,2cyclictest1194476-21kworker/u16:1+flush-8:019:24:276
1223635991312,1cyclictest0-21swapper/422:10:234
1223635991312,1cyclictest0-21swapper/421:20:534
1223635991312,1cyclictest0-21swapper/421:20:534
1223635991312,1cyclictest0-21swapper/421:11:444
1223635991312,1cyclictest0-21swapper/419:19:394
122363599130,1cyclictest0-21swapper/422:09:164
122363599130,1cyclictest0-21swapper/422:09:164
122363599130,1cyclictest0-21swapper/420:36:544
122363599130,13cyclictest0-21swapper/422:18:164
122363599130,13cyclictest0-21swapper/400:33:034
122364599129,2cyclictest1277-21snmpd23:20:327
122364599129,2cyclictest1277-21snmpd23:09:317
122364599129,2cyclictest1277-21snmpd22:44:407
122364599129,2cyclictest1277-21snmpd22:44:407
122364599129,2cyclictest1277-21snmpd21:06:267
122364599129,2cyclictest1277-21snmpd20:57:417
122364599129,2cyclictest0-21swapper/700:29:267
122364599128,3cyclictest6387-21gmain22:00:447
122364599128,3cyclictest1277-21snmpd22:11:457
122364599128,3cyclictest1277-21snmpd19:36:547
122364599128,3cyclictest1277-21snmpd19:12:577
122364599126,5cyclictest895-21dbus-daemon19:19:277
122364599126,5cyclictest1631973-21latency_hist22:19:267
122364599120,3cyclictest1740758-21ssh23:02:287
122364599120,2cyclictest1813983-21ssh23:32:227
122364599120,2cyclictest1778478-21sh23:19:247
122364599120,11cyclictest1971617-21ssh00:35:167
122364599120,11cyclictest1556901-21ssh21:46:357
1223635991211,1cyclictest0-21swapper/423:39:564
1223635991211,1cyclictest0-21swapper/421:06:134
1223635991211,1cyclictest0-21swapper/419:39:314
1223635991211,1cyclictest0-21swapper/419:18:524
122363599120,12cyclictest0-21swapper/420:52:304
122364599118,2cyclictest1277-21snmpd21:56:367
122364599118,2cyclictest1277-21snmpd00:32:307
122364599118,2cyclictest0-21swapper/723:24:447
122364599118,2cyclictest0-21swapper/723:24:447
122364599117,3cyclictest1277-21snmpd19:44:427
122364599115,5cyclictest6175-21gvfs-afc-volume23:59:457
122364599115,5cyclictest6175-21gvfs-afc-volume21:19:577
122364599115,5cyclictest6175-21gvfs-afc-volume21:19:577
122364599115,5cyclictest6175-21gvfs-afc-volume19:54:507
1223645991111,0cyclictest0-21swapper/722:52:347
122364599110,1cyclictest1923906-21ssh00:17:237
122364599110,10cyclictest1277-21snmpd22:43:557
122364599110,10cyclictest1277-21snmpd20:50:567
1223635991110,1cyclictest0-21swapper/423:38:214
1223635991110,1cyclictest0-21swapper/420:02:324
1223635991110,1cyclictest0-21swapper/419:55:554
1223635991110,1cyclictest0-21swapper/419:54:204
1223635991110,1cyclictest0-21swapper/400:35:254
122363599110,9cyclictest0-21swapper/423:04:414
122363599110,1cyclictest0-21swapper/420:45:064
122363599110,11cyclictest0-21swapper/421:03:514
122363599110,11cyclictest0-21swapper/420:39:554
122363599110,11cyclictest0-21swapper/420:39:554
122363599110,11cyclictest0-21swapper/420:28:424
122364599105,4cyclictest1289064-21cut19:39:467
122364599100,9cyclictest1849821-21ssh23:46:017
122364599100,9cyclictest1277-21snmpd21:02:357
122364599100,1cyclictest0-21swapper/723:39:387
122364599100,1cyclictest0-21swapper/721:11:287
122364399107,2cyclictest1354354-21cpuspeed_turbos20:14:396
122363599109,1cyclictest0-21swapper/422:50:164
122363599107,2cyclictest5710-21JS16:05:364
12236459996,2cyclictest1277-21snmpd20:41:087
12236459996,2cyclictest1277-21snmpd20:41:087
12236359998,1cyclictest0-21swapper/419:31:194
12236359997,1cyclictest0-21swapper/423:19:454
12236359996,2cyclictest1766721-21/usr/sbin/munin23:14:394
12236359996,2cyclictest0-21swapper/421:44:464
12236359995,3cyclictest1531470-21grep21:34:554
12236359995,1cyclictest0-21swapper/419:34:444
12236359994,4cyclictest1354696-21grep20:14:404
12236359990,8cyclictest1369505-21cut20:19:474
12236359990,8cyclictest0-21swapper/419:44:434
12236359990,6cyclictest15737151kthreadcore21:54:454
12236359987,1cyclictest1766661-21kworker/u16:0+nfsiod00:08:364
12236359987,1cyclictest0-21swapper/419:25:294
12236359987,1cyclictest0-21swapper/419:13:494
12236359986,1cyclictest0-21swapper/423:54:484
12236359986,1cyclictest0-21swapper/420:54:414
12236359985,2cyclictest1559900-21sed21:49:454
12236359985,2cyclictest0-21swapper/422:29:434
12236359984,3cyclictest1881071-21kthreadcore23:59:464
12236359983,4cyclictest1846293-21cut23:44:464
12236359983,4cyclictest1697767-21kthreadcore22:44:444
12236359983,4cyclictest1697767-21kthreadcore22:44:444
12236359983,4cyclictest1673863-21cut22:34:464
12236359983,4cyclictest1384072-21cat20:29:404
12236359982,5cyclictest1852736-21forks23:49:434
12236359982,5cyclictest1791240-21cat23:24:384
12236359982,5cyclictest1791240-21cat23:24:384
12236359980,7cyclictest1643325-21chrt22:22:584
12236359980,2cyclictest1645448-21iostat22:24:424
12236359974,2cyclictest1498389-21cut21:24:424
12236359974,2cyclictest0-21swapper/421:59:444
12236359973,3cyclictest1681939-21grep22:39:424
12236359973,3cyclictest1475505-21kthreadcore21:14:444
12236359970,6cyclictest1343954-21taskset20:08:524
12236359970,3cyclictest0-21swapper/400:24:154
12236359960,2cyclictest991rcuop/700:09:444
12236359960,2cyclictest991rcuop/700:09:444
12236359960,1cyclictest0-21swapper/400:15:134
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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