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2026-09-16 - 07:21
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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 Sep 16, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9172142660,1sleep7917216-21ssh21:38:287
60745025747,7sleep50-21swapper/519:09:165
607751995654,2cyclictest835470-21kworker/u16:2+flush-8:021:09:384
607751995654,2cyclictest835470-21kworker/u16:2+flush-8:021:09:384
60745225217,30sleep70-21swapper/719:09:187
607753994745,2cyclictest650179-21kworker/u16:1+flush-8:019:39:385
607753994745,2cyclictest650179-21kworker/u16:1+flush-8:019:39:385
60719424636,7sleep40-21swapper/419:05:384
607751994442,2cyclictest767182-21kworker/u16:0+events_unbound20:39:394
9178542360,0chrt0-21swapper/421:39:384
607753993432,2cyclictest778071-21kworker/u16:1+flush-8:020:49:395
607754993331,2cyclictest937064-21kworker/u16:1+events_unbound21:45:076
607754993331,2cyclictest937064-21kworker/u16:1+events_unbound21:45:076
607751993331,2cyclictest757084-21kworker/u16:4+flush-8:020:30:094
607751993331,2cyclictest1233900-21kworker/u16:4+flush-8:000:04:384
60730923321,8sleep60-21swapper/619:07:166
607761993130,0cyclictest0-21swapper/723:44:267
607761993130,0cyclictest0-21swapper/719:54:577
60776199310,29cyclictest905-21dbus-daemon21:44:387
607753993029,1cyclictest1013472-21kworker/u16:0+events_unbound22:57:185
12690542300,6chrt1269052-21ssh00:02:307
607753992927,2cyclictest937064-21kworker/u16:1+flush-8:022:04:335
607753992927,2cyclictest738038-21kworker/u16:1+flush-8:020:14:535
607753992927,2cyclictest1233900-21kworker/u16:4+events_unbound00:09:335
607753992927,2cyclictest1025592-21kworker/u16:1+events_unbound22:25:215
607753992927,2cyclictest1025592-21kworker/u16:1+events_unbound22:25:215
607751992928,1cyclictest1073449-21kworker/u16:2+flush-8:023:54:384
607751992928,1cyclictest1073449-21kworker/u16:2+flush-8:023:54:384
607751992927,2cyclictest639943-21kworker/u16:3+events_unbound20:05:064
11122302290,1chrt1112165-21latency_hist22:59:397
607753992826,2cyclictest1013472-21kworker/u16:0+events_unbound22:44:505
607753992825,2cyclictest835470-21kworker/u16:2+events_unbound21:34:545
607753992825,2cyclictest1306790-21kworker/u16:5+flush-8:000:19:495
607751992826,2cyclictest1233900-21kworker/u16:4+events_unbound23:55:074
607754992725,2cyclictest1158440-21kworker/u16:0+events_unbound23:29:546
607754992624,2cyclictest1158440-21kworker/u16:0+flush-8:023:35:096
607753992624,2cyclictest1233900-21kworker/u16:4+events_unbound00:34:575
607751992624,2cyclictest978814-21kworker/u16:4+flush-8:022:10:014
607753992523,2cyclictest905853-21kworker/u16:0+flush-8:021:40:085
607751992524,1cyclictest1158440-21kworker/u16:0+events_unbound23:25:034
607751992523,2cyclictest639943-21kworker/u16:3+events_unbound20:20:074
607751992523,2cyclictest639943-21kworker/u16:3+events_unbound20:20:074
7380332240,1chrt0-21swapper/620:14:386
607761992419,4cyclictest645-21systemd-journal19:14:397
607761992419,4cyclictest645-21systemd-journal00:14:387
607754992422,2cyclictest835470-21kworker/u16:2+events_unbound21:34:566
607754992422,2cyclictest1194903-21kworker/u16:1+flush-8:000:19:536
607754992421,2cyclictest639943-21kworker/u16:3+flush-8:020:55:106
607753992321,2cyclictest650179-21kworker/u16:1+events_unbound19:45:065
607751992321,2cyclictest639943-21kworker/u16:3+flush-8:020:39:544
607751992320,2cyclictest757084-21kworker/u16:4+events_unbound21:29:494
607753992220,2cyclictest1194903-21kworker/u16:1+events_unbound00:29:505
607753992220,2cyclictest1194903-21kworker/u16:1+events_unbound00:29:505
607753992220,2cyclictest1158440-21kworker/u16:0+flush-8:023:40:015
607753992219,2cyclictest1013472-21kworker/u16:0+flush-8:023:04:395
607751992220,2cyclictest1073449-21kworker/u16:2+events_unbound23:00:024
607751992219,2cyclictest835470-21kworker/u16:2+flush-8:021:24:494
607761992116,4cyclictest966504-21latency_hist21:59:387
607753992119,2cyclictest835470-21kworker/u16:2+flush-8:021:20:035
607753992119,2cyclictest639943-21kworker/u16:3+flush-8:021:14:585
607751992119,2cyclictest1158440-21kworker/u16:0+events_unbound23:44:574
607751992119,2cyclictest1013472-21kworker/u16:0+events_unbound22:54:574
607751992118,2cyclictest639943-21kworker/u16:3+flush-8:021:14:564
607754992018,2cyclictest1013472-21kworker/u16:0+events_unbound22:50:026
607753992018,2cyclictest1073449-21kworker/u16:2+flush-8:022:43:425
607751992018,2cyclictest650179-21kworker/u16:1+events_unbound19:49:394
607761991914,4cyclictest645-21systemd-journal22:24:327
607753991917,2cyclictest1109841-21kworker/u16:1+events_unbound23:15:055
607751991917,2cyclictest966686-21kworker/u16:3+events_unbound22:14:524
607751991917,2cyclictest1233900-21kworker/u16:4+events_unbound00:25:014
607753991816,2cyclictest614231-21kworker/u16:4+events_unbound19:14:545
607753991816,2cyclictest1194903-21kworker/u16:1+flush-8:000:10:095
607753991815,2cyclictest835470-21kworker/u16:2+events_unbound21:54:505
607753991815,2cyclictest757084-21kworker/u16:4+events_unbound21:04:505
607753991815,2cyclictest757084-21kworker/u16:4+events_unbound21:04:505
607753991815,2cyclictest639943-21kworker/u16:3+flush-8:021:14:385
607751991815,2cyclictest639943-21kworker/u16:3+flush-8:020:25:094
607754991715,2cyclictest588148-21kworker/u16:0+flush-8:019:20:066
607754991715,2cyclictest1158440-21kworker/u16:0+flush-8:023:45:106
607754991714,2cyclictest1073449-21kworker/u16:2+flush-8:022:59:596
607753991715,2cyclictest978814-21kworker/u16:4+flush-8:022:20:015
607753991715,2cyclictest1013472-21kworker/u16:0+flush-8:022:50:075
607751991715,2cyclictest1025592-21kworker/u16:1+events_unbound22:24:524
607751991715,2cyclictest1025592-21kworker/u16:1+events_unbound22:24:524
607761991613,2cyclictest999934-21ssh22:10:027
607761991612,3cyclictest1274-21snmpd21:09:267
607761991612,3cyclictest1274-21snmpd21:09:267
60776199160,15cyclictest0-21swapper/720:35:007
60776199160,14cyclictest640754-21latency_hist19:24:387
607754991614,2cyclictest738038-21kworker/u16:1+flush-8:020:19:386
607753991614,2cyclictest639943-21kworker/u16:3+flush-8:020:39:565
607751991615,1cyclictest0-21swapper/419:12:084
607751991614,2cyclictest966686-21kworker/u16:3+flush-8:022:05:044
607751991614,2cyclictest937064-21kworker/u16:1+flush-8:021:55:064
607751991614,2cyclictest1194903-21kworker/u16:1+flush-8:000:05:094
607751991614,2cyclictest1158440-21kworker/u16:0+events_unbound23:30:024
607751991614,2cyclictest1025592-21kworker/u16:1+flush-8:022:40:094
607761991514,0cyclictest0-21swapper/723:05:427
607761991513,1cyclictest0-21swapper/722:40:027
607761991511,3cyclictest1274-21snmpd20:12:197
607754991513,2cyclictest937064-21kworker/u16:1+events_unbound21:54:526
60775499150,14cyclictest0-21swapper/621:09:566
607753991514,1cyclictest0-21swapper/523:58:255
607753991513,2cyclictest1158440-21kworker/u16:0+events_unbound23:30:065
607751991514,1cyclictest0-21swapper/423:43:384
607751991513,2cyclictest588148-21kworker/u16:0+events_unbound19:20:034
607751991512,2cyclictest1073449-21kworker/u16:2+events_unbound00:14:494
607761991413,0cyclictest0-21swapper/723:39:197
607761991412,1cyclictest0-21swapper/720:05:037
607761991410,3cyclictest1274-21snmpd23:51:047
607761991410,3cyclictest1274-21snmpd23:51:047
607761991410,3cyclictest1274-21snmpd22:05:107
60776199140,3cyclictest1164920-21sh23:19:557
60776199140,1cyclictest0-21swapper/722:15:027
60776199140,13cyclictest0-21swapper/722:25:047
60776199140,13cyclictest0-21swapper/722:25:047
60776199140,13cyclictest0-21swapper/720:15:047
607754991412,2cyclictest835470-21kworker/u16:2+events_unbound21:39:536
607754991412,2cyclictest757084-21kworker/u16:4+flush-8:020:44:396
607754991412,2cyclictest1025592-21kworker/u16:1+events_unbound22:24:506
607754991412,2cyclictest1025592-21kworker/u16:1+events_unbound22:24:506
607754991412,2cyclictest1013472-21kworker/u16:0+events_unbound22:20:046
607754991410,3cyclictest894847-21cat21:29:546
60775499140,14cyclictest0-21swapper/619:55:036
607753991413,1cyclictest0-21swapper/522:10:155
607753991413,1cyclictest0-21swapper/521:50:045
607753991412,2cyclictest1073449-21kworker/u16:2+flush-8:023:00:055
607753991412,2cyclictest1025592-21kworker/u16:1+flush-8:022:35:065
60775399140,1cyclictest0-21swapper/523:47:415
60775399140,14cyclictest0-21swapper/523:53:035
60775399140,14cyclictest0-21swapper/523:53:035
60775399140,14cyclictest0-21swapper/523:12:225
60775399140,14cyclictest0-21swapper/500:01:055
607751991412,2cyclictest835470-21kworker/u16:2+events_unbound21:24:344
60775199140,1cyclictest0-21swapper/423:10:124
60775199140,1cyclictest0-21swapper/400:11:424
60775199140,13cyclictest0-21swapper/422:34:484
60775199140,0cyclictest0-21swapper/422:51:454
7681372130,0sleep7768138-21fschecks_count20:29:537
60776199139,3cyclictest1274-21snmpd20:45:147
60776199139,3cyclictest1274-21snmpd20:03:047
60776199139,3cyclictest1274-21snmpd19:16:087
60776199138,4cyclictest1274-21snmpd23:14:577
60776199136,6cyclictest5711-21gmain23:03:337
607761991310,2cyclictest650534-21awk19:29:387
607761991310,2cyclictest1274-21snmpd20:56:177
60776199130,3cyclictest1086156-21ssh22:46:237
60776199130,3cyclictest1063319-21sh22:39:027
60776199130,2cyclictest1306552-21ssh00:19:357
607754991312,1cyclictest0-21swapper/623:25:326
607754991312,1cyclictest0-21swapper/622:02:276
607754991311,2cyclictest1013472-21kworker/u16:0+events_unbound22:29:536
60775499130,13cyclictest0-21swapper/622:11:456
60775499130,13cyclictest0-21swapper/621:22:436
607753991312,1cyclictest0-21swapper/523:35:145
607753991312,1cyclictest0-21swapper/523:24:405
607753991312,1cyclictest0-21swapper/521:29:065
607753991312,1cyclictest0-21swapper/500:24:445
607753991311,2cyclictest937064-21kworker/u16:1+events_unbound21:45:115
607753991311,2cyclictest937064-21kworker/u16:1+events_unbound21:45:115
607753991311,2cyclictest757084-21kworker/u16:4+events_unbound21:29:415
607753991310,2cyclictest710184-21irqcore19:59:565
607751991312,1cyclictest0-21swapper/422:04:184
607751991312,1cyclictest0-21swapper/421:42:514
607751991312,1cyclictest0-21swapper/421:13:414
607751991312,1cyclictest0-21swapper/420:53:494
607751991312,1cyclictest0-21swapper/400:38:494
607751991311,2cyclictest707840-21kworker/u16:0+events_unbound20:00:034
607751991311,2cyclictest1158440-21kworker/u16:0+flush-8:023:24:334
607751991311,2cyclictest1109841-21kworker/u16:1+events_unbound23:19:334
60775199130,0cyclictest0-21swapper/423:06:164
60776199129,2cyclictest1274-21snmpd23:45:227
60776199129,2cyclictest1274-21snmpd22:32:417
60776199129,2cyclictest1274-21snmpd21:20:307
60776199129,2cyclictest1274-21snmpd21:18:157
60776199129,2cyclictest1274-21snmpd19:48:157
60776199125,6cyclictest5997-21gmain22:49:497
60776199120,2cyclictest678514-21memory19:40:037
60776199120,2cyclictest1353407-21ssh00:36:127
60776199120,2cyclictest0-21swapper/700:04:537
60776199120,1cyclictest1316519-21ssh00:20:257
60776199120,11cyclictest1274-21snmpd21:34:337
60776199120,11cyclictest1185000-21ssh23:29:247
60776199120,10cyclictest1274-21snmpd21:09:507
60775499128,3cyclictest826678-21cat20:59:576
60775499128,3cyclictest778071-21kworker/u16:1+flush-8:020:45:056
60775499128,3cyclictest778039-21cat20:34:536
60775499128,3cyclictest1077078-21cat22:44:546
60775499127,4cyclictest719694-21cat20:04:546
607754991211,1cyclictest0-21swapper/623:44:186
607754991211,1cyclictest0-21swapper/622:09:326
607754991211,1cyclictest0-21swapper/621:26:396
607754991211,1cyclictest0-21swapper/600:15:506
607754991210,2cyclictest966686-21kworker/u16:3+flush-8:022:14:546
60775499120,1cyclictest0-21swapper/622:36:116
60775499120,1cyclictest0-21swapper/619:09:486
607753991211,1cyclictest0-21swapper/519:43:475
607753991211,1cyclictest0-21swapper/519:23:555
607753991210,2cyclictest1073449-21kworker/u16:2+events_unbound00:15:095
60775399120,1cyclictest0-21swapper/520:51:165
60775199129,2cyclictest706555-21kthreadcore19:55:014
607751991211,1cyclictest0-21swapper/421:48:324
607751991211,1cyclictest0-21swapper/421:48:324
607751991211,1cyclictest0-21swapper/421:00:554
607751991210,2cyclictest1194903-21kworker/u16:1+events_unbound00:20:294
60775199120,1cyclictest0-21swapper/419:15:454
60775199120,12cyclictest0-21swapper/420:15:404
60775199120,12cyclictest0-21swapper/419:51:524
60775199120,12cyclictest0-21swapper/419:29:194
60776199118,2cyclictest1274-21snmpd21:46:127
60776199118,2cyclictest1274-21snmpd21:46:127
60776199118,2cyclictest1274-21snmpd21:00:147
60776199118,2cyclictest1274-21snmpd20:44:207
60776199117,3cyclictest767151-21perf20:29:387
60776199117,3cyclictest1274-21snmpd00:26:087
60776199116,4cyclictest6241-21gvfs-afc-volume23:55:027
60776199116,4cyclictest1274-21snmpd19:31:127
60776199115,4cyclictest951266-21rm21:50:027
60776199110,2cyclictest1195950-21ssh23:32:107
60776199110,10cyclictest893206-21ssh21:28:587
60776199110,10cyclictest669944-21turbostat19:39:387
60776199110,10cyclictest669944-21turbostat19:39:387
60776199110,10cyclictest1341286-21ssh00:31:117
60776199110,10cyclictest1341286-21ssh00:31:117
60776199110,10cyclictest1274-21snmpd20:51:237
60775499119,2cyclictest978814-21kworker/u16:4+flush-8:023:19:536
60775499118,2cyclictest1282886-21cpuspeed_turbos00:09:496
60775499117,3cyclictest943474-21cat21:49:546
60775499116,4cyclictest866002-21sed21:15:006
60775499115,5cyclictest0-21swapper/623:49:586
60775499115,5cyclictest0-21swapper/623:49:586
60775499111,2cyclictest0-21swapper/600:24:576
607754991110,1cyclictest0-21swapper/622:41:046
607754991110,1cyclictest0-21swapper/600:06:226
60775499110,11cyclictest0-21swapper/620:23:456
60775499110,11cyclictest0-21swapper/620:23:456
60775499110,11cyclictest0-21swapper/619:41:016
60775499110,11cyclictest0-21swapper/619:37:526
60775499110,11cyclictest0-21swapper/619:37:526
60775399117,3cyclictest641923-21cat19:24:555
607753991110,1cyclictest0-21swapper/519:57:495
60775199119,2cyclictest1233900-21kworker/u16:4+flush-8:000:30:104
60775199119,2cyclictest1233900-21kworker/u16:4+flush-8:000:30:104
60775199119,2cyclictest1013472-21kworker/u16:0+flush-8:022:34:384
60775199118,2cyclictest1024389-21switchtime22:20:044
607751991110,1cyclictest0-21swapper/421:50:164
607751991110,1cyclictest0-21swapper/419:35:094
607751991110,1cyclictest0-21swapper/419:35:094
60776199106,3cyclictest1274-21snmpd20:22:497
60776199106,3cyclictest1274-21snmpd20:22:497
60776199106,3cyclictest1274-21snmpd19:49:577
60776199100,9cyclictest0-21swapper/723:13:247
60776199100,1cyclictest0-21swapper/721:59:437
60775499109,1cyclictest0-21swapper/623:56:266
60775499109,1cyclictest0-21swapper/622:56:126
60775499106,3cyclictest659372-21pmu-power19:30:056
60775499105,5cyclictest0-21swapper/621:04:526
60775499105,5cyclictest0-21swapper/621:04:526
60775499100,9cyclictest622680-21cut19:14:566
60775499100,9cyclictest1149383-21cpuspeed_turbos23:14:516
60775499100,4cyclictest761558-21cat20:24:586
60775499100,4cyclictest1263655-21kthreadcore23:59:596
60775499100,3cyclictest1345753-21cut00:34:566
60775499100,2cyclictest717576-21ntpq20:00:036
60775499100,10cyclictest0-21swapper/620:53:046
60775399109,1cyclictest0-21swapper/520:12:385
60775399108,2cyclictest639943-21kworker/u16:3+flush-8:020:24:535
60775399106,3cyclictest608759-21cat19:09:545
60775199109,1cyclictest0-21swapper/420:13:284
6077549998,1cyclictest0-21swapper/600:31:076
6077549998,1cyclictest0-21swapper/600:31:076
6077549997,2cyclictest639943-21kworker/u16:3+flush-8:019:44:566
6077549995,3cyclictest1137679-21tune2fs23:09:526
6077549990,3cyclictest1127337-21kthreadcore23:04:566
6077549990,2cyclictest641148-21/usr/sbin/munin19:25:066
6077539998,1cyclictest0-21swapper/520:31:435
6077539996,2cyclictest639943-21kworker/u16:3+flush-8:020:34:565
6077519998,1cyclictest0-21swapper/422:49:334
6077519997,2cyclictest588148-21kworker/u16:0+flush-8:019:29:544
6077549986,1cyclictest0-21swapper/619:49:516
6077539986,2cyclictest738038-21kworker/u16:1+events_unbound20:19:555
6077539986,2cyclictest738038-21kworker/u16:1+events_unbound20:19:555
6077539983,4cyclictest824925-21cat20:55:075
6077539983,4cyclictest721314-21cut20:04:575
6077539983,4cyclictest694651-21cut19:49:585
6077539983,4cyclictest1166097-21cut23:19:565
6077539983,4cyclictest1043043-21grep22:29:575
6077539983,4cyclictest1005420-21cut22:14:555
6077519987,1cyclictest0-21swapper/420:45:474
6077519986,1cyclictest0-21swapper/423:34:574
6077519984,3cyclictest817423-21kthreadcore20:54:574
6077539974,2cyclictest986073-21kthreadcore22:04:585
6077539973,3cyclictest826201-21expr20:59:555
6077539972,4cyclictest652703-21cut19:29:565
6077519976,1cyclictest0-21swapper/419:41:274
6077549961,4cyclictest767934-21expr20:29:526
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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