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2025-12-14 - 04:42
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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 Sun Dec 14, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8253452427,30sleep70-21swapper/719:04:587
626589400,33rtkit-daemon0-21swapper/619:05:296
834907993731,5cyclictest1062409-21latency_hist21:04:537
83490799370,35cyclictest926180-21latency_hist19:54:537
83446823727,7sleep50-21swapper/519:07:535
834906993331,2cyclictest1335404-21kworker/u16:4+flush-8:023:25:086
834906993331,2cyclictest1043290-21kworker/u16:2+flush-8:021:40:076
83490799320,30cyclictest1315584-21latency_hist23:14:527
83490799320,30cyclictest1315584-21latency_hist23:14:527
834906993230,2cyclictest824604-21kworker/u16:2+flush-8:019:10:036
834901993229,2cyclictest834297-21kworker/u16:3+events_unbound19:14:555
834907993125,5cyclictest1130558-21latency_hist21:39:537
834906993028,2cyclictest1383486-21kworker/u16:0+events_unbound23:50:056
834907992923,5cyclictest965100-21latency_hist20:14:537
834906992927,2cyclictest1335404-21kworker/u16:4+flush-8:000:35:076
834906992826,2cyclictest1335404-21kworker/u16:4+flush-8:000:05:086
834906992826,2cyclictest1208828-21kworker/u16:4+events_unbound22:55:066
83440222818,7sleep40-21swapper/419:06:564
834906992725,2cyclictest1392662-21kworker/u16:1+events_unbound00:00:056
834906992725,2cyclictest1392662-21kworker/u16:1+events_unbound00:00:056
834901992725,2cyclictest1354585-21kworker/u16:3+flush-8:023:50:175
834897992725,2cyclictest848734-21kworker/u16:0+flush-8:020:49:534
834897992725,2cyclictest848734-21kworker/u16:0+flush-8:020:49:534
83490799260,24cyclictest1305877-21latency_hist23:09:527
834906992624,2cyclictest1208828-21kworker/u16:4+events_unbound23:00:076
834897992624,2cyclictest542004-21kworker/u16:8+events_unbound21:08:144
834906992523,2cyclictest848734-21kworker/u16:0+events_unbound20:25:066
834897992523,2cyclictest1266154-21kworker/u16:0+flush-8:023:32:144
834897992523,2cyclictest1062637-21kworker/u16:3+flush-8:021:40:184
834906992422,2cyclictest1266154-21kworker/u16:0+events_unbound23:40:076
834901992422,2cyclictest1062637-21kworker/u16:3+flush-8:021:14:535
834897992422,2cyclictest1179013-21kworker/u16:2+flush-8:023:15:144
834907992320,1cyclictest1403167-21munin-run23:59:527
834906992321,2cyclictest1043290-21kworker/u16:2+events_unbound21:20:076
834897992321,2cyclictest995158-21kworker/u16:3+flush-8:020:50:224
834897992321,2cyclictest1208423-21kworker/u16:3+flush-8:022:23:384
834897992321,2cyclictest1074298-21kworker/u16:1+events_unbound21:58:144
834897992320,2cyclictest542004-21kworker/u16:8+events_unbound20:24:554
834906992220,2cyclictest1208828-21kworker/u16:4+events_unbound22:25:046
834897992220,2cyclictest1335404-21kworker/u16:4+events_unbound23:44:524
834897992220,2cyclictest1286183-21kworker/u16:1+flush-8:023:25:144
834897992220,2cyclictest1062637-21kworker/u16:3+events_unbound21:35:594
834897992119,2cyclictest542004-21kworker/u16:8+events_unbound19:39:504
834897992119,2cyclictest1208423-21kworker/u16:3+events_unbound22:41:154
834897992118,2cyclictest123314-21kworker/u16:1+events_unbound21:00:034
834897992019,1cyclictest542004-21kworker/u16:8+flush-8:020:10:154
834897992018,2cyclictest848734-21kworker/u16:0+flush-8:019:52:154
834897992018,2cyclictest1286183-21kworker/u16:1+flush-8:023:03:134
834897992018,2cyclictest1111553-21kworker/u16:0+flush-8:022:13:134
834906991917,2cyclictest1286183-21kworker/u16:1+events_unbound23:15:046
834897991917,2cyclictest848734-21kworker/u16:0+flush-8:020:22:074
834897991917,2cyclictest1335404-21kworker/u16:4+events_unbound23:50:224
834897991917,2cyclictest123314-21kworker/u16:1+events_unbound20:58:264
834897991917,2cyclictest123314-21kworker/u16:1+events_unbound19:43:374
834907991815,2cyclictest1267-21snmpd21:30:047
83490799180,16cyclictest1267-21snmpd23:37:057
834901991816,2cyclictest1208423-21kworker/u16:3+events_unbound22:35:065
834897991816,2cyclictest542004-21kworker/u16:8+events_unbound21:20:154
834897991816,2cyclictest542004-21kworker/u16:8+events_unbound20:43:154
834897991816,2cyclictest1354585-21kworker/u16:3+events_unbound23:48:154
834897991814,3cyclictest1335404-21kworker/u16:4+events_unbound00:05:124
834907991715,1cyclictest1218216-21idleruntime-cro22:24:527
834907991713,3cyclictest1267-21snmpd23:02:167
834907991713,2cyclictest1044138-21taskset20:55:087
834907991712,4cyclictest1383732-21latency_hist23:49:527
834906991715,2cyclictest542004-21kworker/u16:8+flush-8:020:30:196
834906991714,2cyclictest542004-21kworker/u16:8+flush-8:020:44:546
834906991714,2cyclictest542004-21kworker/u16:8+flush-8:020:44:546
834901991715,2cyclictest1074298-21kworker/u16:1+flush-8:021:44:535
834897991715,2cyclictest848734-21kworker/u16:0+events_unbound19:31:554
834897991715,2cyclictest1266154-21kworker/u16:0+flush-8:023:38:534
834897991715,2cyclictest123314-21kworker/u16:1+events_unbound19:19:074
834897991715,2cyclictest1208828-21kworker/u16:4+flush-8:022:30:084
834897991715,2cyclictest1159491-21kworker/u16:2+flush-8:021:52:144
834897991714,2cyclictest1043290-21kworker/u16:2+events_unbound21:10:034
83490799168,7cyclictest6045-21gmain00:15:217
83490799160,14cyclictest0-21swapper/721:25:177
834906991615,1cyclictest0-21swapper/620:15:176
834906991614,2cyclictest848734-21kworker/u16:0+events_unbound20:53:176
834906991614,2cyclictest848734-21kworker/u16:0+events_unbound19:30:196
834906991614,2cyclictest1335404-21kworker/u16:4+events_unbound00:18:456
834906991613,2cyclictest1335404-21kworker/u16:4+events_unbound00:30:016
834906991613,2cyclictest1043290-21kworker/u16:2+flush-8:021:24:536
834901991614,2cyclictest123314-21kworker/u16:1+flush-8:020:35:055
834897991614,2cyclictest1208828-21kworker/u16:4+flush-8:022:50:104
834897991614,2cyclictest1208828-21kworker/u16:4+flush-8:022:35:134
834897991614,2cyclictest1208828-21kworker/u16:4+flush-8:022:25:134
834897991614,2cyclictest1111553-21kworker/u16:0+flush-8:022:06:034
834897991613,2cyclictest1392662-21kworker/u16:1+events_unbound23:55:084
834897991613,2cyclictest1301276-21grep23:05:114
83489799161,1cyclictest0-21swapper/400:35:134
83490799159,5cyclictest1267-21snmpd00:30:127
834907991511,3cyclictest1267-21snmpd00:00:357
834907991511,3cyclictest1267-21snmpd00:00:357
83490799150,14cyclictest0-21swapper/721:20:177
834906991513,2cyclictest868021-21kworker/u16:2+events_unbound19:52:426
834906991513,2cyclictest1412623-21kworker/u16:7+events_unbound00:20:466
834906991513,2cyclictest1335404-21kworker/u16:4+events_unbound23:37:566
834906991513,2cyclictest123314-21kworker/u16:1+events_unbound21:03:426
834906991513,2cyclictest1208828-21kworker/u16:4+events_unbound22:24:156
834906991513,2cyclictest1111553-21kworker/u16:0+flush-8:022:10:156
834906991513,2cyclictest1062072-21kworker/u16:0+events_unbound21:14:176
834906991513,2cyclictest1043290-21kworker/u16:2+flush-8:021:35:086
834906991512,2cyclictest1179013-21kworker/u16:2+flush-8:022:39:536
834906991511,3cyclictest1266154-21kworker/u16:0+events_unbound23:20:196
834901991513,2cyclictest1335404-21kworker/u16:4+events_unbound00:25:065
83490199150,3cyclictest0-21swapper/521:01:435
834897991513,2cyclictest123314-21kworker/u16:1+events_unbound20:07:194
834897991512,2cyclictest848734-21kworker/u16:0+flush-8:020:14:534
834897991512,2cyclictest1329932-21kthreadcore23:20:104
83490799149,4cyclictest1267-21snmpd19:22:207
834907991412,1cyclictest0-21swapper/723:30:147
83490799140,1cyclictest0-21swapper/723:50:147
83490799140,1cyclictest0-21swapper/720:05:177
83490799140,1cyclictest0-21swapper/719:10:137
83490799140,12cyclictest1180925-21kthreadcore22:05:127
834906991412,2cyclictest868021-21kworker/u16:2+events_unbound20:04:396
834906991412,2cyclictest1335404-21kworker/u16:4+events_unbound00:29:206
834906991412,2cyclictest1227956-21kworker/u16:5+flush-8:022:50:196
834906991412,2cyclictest1138169-21kworker/u16:4+events_unbound21:56:266
834906991412,2cyclictest1111553-21kworker/u16:0+flush-8:022:03:096
834906991412,2cyclictest1062637-21kworker/u16:3+flush-8:021:50:186
834901991413,1cyclictest0-21swapper/523:25:115
834901991412,2cyclictest1354585-21kworker/u16:3+flush-8:023:39:535
834901991410,3cyclictest975951-21cat20:20:075
83490199140,1cyclictest0-21swapper/520:05:085
83490199140,13cyclictest0-21swapper/500:00:025
83490199140,13cyclictest0-21swapper/500:00:025
83489799140,1cyclictest0-21swapper/419:20:234
83489799140,14cyclictest0-21swapper/419:29:034
83490799139,3cyclictest1267-21snmpd23:29:027
83490799139,3cyclictest1267-21snmpd22:13:327
83490799139,3cyclictest1267-21snmpd19:56:357
83490799139,3cyclictest1267-21snmpd19:56:357
83490799139,3cyclictest1267-21snmpd00:10:187
83490799138,4cyclictest1462026-21cat00:29:537
83490799137,5cyclictest6045-21gmain22:00:097
83490799137,5cyclictest5656-21ssh-agent20:25:147
834907991310,2cyclictest896053-21ntpq19:35:187
834907991310,2cyclictest1149103-21ntpq21:45:187
83490799130,12cyclictest1042937-21latency_hist20:54:537
83490799130,11cyclictest1324395-21ntpq23:15:157
834906991312,1cyclictest0-21swapper/622:46:146
834906991311,2cyclictest868021-21kworker/u16:2+events_unbound19:59:016
834906991311,2cyclictest868021-21kworker/u16:2+events_unbound19:59:016
834906991311,2cyclictest848734-21kworker/u16:0+events_unbound19:45:186
834906991311,2cyclictest1402952-21kworker/u16:0+events_unbound23:57:156
834906991311,2cyclictest123314-21kworker/u16:1+events_unbound20:55:266
834906991311,2cyclictest123314-21kworker/u16:1+events_unbound20:14:336
834906991311,2cyclictest1208423-21kworker/u16:3+events_unbound22:42:306
834897991311,2cyclictest868021-21kworker/u16:2+events_unbound19:56:154
834897991311,2cyclictest868021-21kworker/u16:2+events_unbound19:56:154
834897991311,2cyclictest1335404-21kworker/u16:4+events_unbound00:34:504
834897991311,2cyclictest1179013-21kworker/u16:2+events_unbound22:02:004
834897991311,2cyclictest1062637-21kworker/u16:3+events_unbound21:15:084
834897991311,2cyclictest1043290-21kworker/u16:2+events_unbound21:29:144
83490799129,3cyclictest96-21ksoftirqd/700:35:147
83490799129,2cyclictest1335025-21awk23:24:527
83490799129,2cyclictest0-21swapper/719:59:537
83490799128,3cyclictest868235-21/usr/sbin/munin19:25:207
83490799128,3cyclictest1267-21snmpd23:40:447
83490799128,3cyclictest1267-21snmpd22:56:437
83490799128,3cyclictest1267-21snmpd22:54:527
83490799128,3cyclictest1267-21snmpd22:42:337
83490799128,3cyclictest1267-21snmpd21:54:147
83490799128,3cyclictest1267-21snmpd20:15:037
83490799120,4cyclictest1083250-21irqcore21:15:107
83490799120,2cyclictest1238-21tuned-ppd21:07:587
83490799120,2cyclictest0-21swapper/720:35:167
83490799120,2cyclictest0-21swapper/720:30:137
83490799120,11cyclictest0-21swapper/722:15:147
834906991211,1cyclictest0-21swapper/620:09:036
834906991210,2cyclictest984372-21kworker/u16:2+flush-8:020:23:146
834906991210,2cyclictest848734-21kworker/u16:0+events_unbound19:44:206
834906991210,2cyclictest1412623-21kworker/u16:7+flush-8:000:14:286
834906991210,2cyclictest1286183-21kworker/u16:1+flush-8:023:05:226
834906991210,2cyclictest1111553-21kworker/u16:0+events_unbound21:46:406
83490699120,1cyclictest0-21swapper/622:18:206
83490699120,12cyclictest0-21swapper/621:05:016
83490199129,3cyclictest1208828-21kworker/u16:4+events_unbound22:45:065
834901991211,1cyclictest0-21swapper/522:00:225
834901991211,1cyclictest0-21swapper/520:55:065
834901991211,1cyclictest0-21swapper/520:48:385
834901991211,1cyclictest0-21swapper/520:48:385
83490199120,1cyclictest0-21swapper/520:18:135
83489799129,2cyclictest1062637-21kworker/u16:3+flush-8:021:45:034
83489799128,3cyclictest1423994-21cat00:10:074
83489799127,4cyclictest1307065-21cat23:10:084
83489799127,4cyclictest1307065-21cat23:10:084
834897991211,1cyclictest0-21swapper/400:00:504
834897991211,1cyclictest0-21swapper/400:00:504
834897991210,2cyclictest1460835-21kworker/u16:1+events_unbound00:26:344
834897991210,2cyclictest1335404-21kworker/u16:4+flush-8:000:15:094
834897991210,2cyclictest1111553-21kworker/u16:0+events_unbound21:32:044
83490799118,2cyclictest1267-21snmpd22:45:037
83490799117,3cyclictest6045-21gmain22:25:057
83490799117,3cyclictest1267-21snmpd22:33:007
83490799117,3cyclictest1267-21snmpd19:45:417
83490799117,3cyclictest1267-21snmpd00:08:487
83490799116,4cyclictest1267-21snmpd00:21:247
83490799115,5cyclictest6184-21gvfs-afc-volume20:40:097
83490799115,5cyclictest6184-21gvfs-afc-volume19:40:207
83490799110,9cyclictest0-21swapper/722:35:087
83490799110,3cyclictest845340-21kthreadcore19:14:557
83490799110,1cyclictest1135769-21tr21:40:117
83490799110,10cyclictest1267-21snmpd19:31:207
83490799110,10cyclictest0-21swapper/720:45:137
83490799110,10cyclictest0-21swapper/720:45:137
83490699119,2cyclictest834297-21kworker/u16:3+flush-8:019:15:496
83490699119,2cyclictest1383486-21kworker/u16:0+events_unbound23:47:016
83490699119,2cyclictest1335404-21kworker/u16:4+flush-8:023:32:196
83490699119,2cyclictest1286183-21kworker/u16:1+flush-8:023:10:176
83490699119,2cyclictest1286183-21kworker/u16:1+flush-8:023:10:176
83490699119,2cyclictest123314-21kworker/u16:1+events_unbound19:24:336
83490699119,2cyclictest1138169-21kworker/u16:4+events_unbound22:05:516
83490699117,3cyclictest1005169-21cat20:35:076
834906991110,1cyclictest0-21swapper/619:28:046
83490199119,1cyclictest0-21swapper/500:15:105
834901991110,1cyclictest0-21swapper/521:21:165
834901991110,1cyclictest0-21swapper/519:41:105
834901991110,1cyclictest0-21swapper/519:34:425
83490199110,11cyclictest0-21swapper/523:05:385
83490199110,11cyclictest0-21swapper/522:56:585
83490199110,11cyclictest0-21swapper/522:09:125
83490199110,11cyclictest0-21swapper/520:29:055
83490199110,11cyclictest0-21swapper/519:58:405
83490199110,11cyclictest0-21swapper/519:58:405
83490199110,11cyclictest0-21swapper/500:32:405
83489799119,2cyclictest1412623-21kworker/u16:7+flush-8:000:22:144
83490799107,2cyclictest0-21swapper/721:10:097
83490799106,3cyclictest1267-21snmpd21:59:417
83490799100,9cyclictest96-21ksoftirqd/720:20:097
83490699108,2cyclictest848734-21kworker/u16:0+events_unbound20:41:416
83490699108,2cyclictest123314-21kworker/u16:1+flush-8:019:39:126
83490699108,2cyclictest1062637-21kworker/u16:3+events_unbound21:31:316
83490199109,1cyclictest0-21swapper/522:50:215
83490199109,1cyclictest0-21swapper/522:30:485
83490199109,1cyclictest0-21swapper/521:32:095
83490199108,1cyclictest859097-21fschecks_count19:20:065
83490199100,0cyclictest0-21swapper/522:28:455
83489799108,2cyclictest995158-21kworker/u16:3+flush-8:020:33:234
83489799108,2cyclictest868021-21kworker/u16:2+flush-8:019:47:034
83489799106,3cyclictest936846-21tune2fs20:00:064
8349069997,2cyclictest1074298-21kworker/u16:1+flush-8:021:16:286
8349069995,3cyclictest1229086-21cat22:30:086
8349019998,1cyclictest0-21swapper/523:18:435
8349019998,1cyclictest0-21swapper/522:41:405
8349019998,1cyclictest0-21swapper/521:51:425
8349019998,1cyclictest0-21swapper/521:05:595
8349019998,1cyclictest0-21swapper/519:52:025
8349019997,2cyclictest848734-21kworker/u16:0+flush-8:020:50:085
8349019997,2cyclictest542004-21kworker/u16:8+flush-8:019:25:075
8349019997,2cyclictest123314-21kworker/u16:1+flush-8:020:04:535
8349019997,2cyclictest1074298-21kworker/u16:1+flush-8:021:55:175
8349019996,3cyclictest0-21swapper/500:08:425
8349019995,3cyclictest835888-21cat19:10:045
8349019994,4cyclictest1310755-21cut23:10:125
8349019994,4cyclictest1310755-21cut23:10:125
8349019990,8cyclictest0-21swapper/500:20:105
8348979997,2cyclictest123314-21kworker/u16:1+events_unbound19:10:024
8348979994,4cyclictest1266148-21smartctl22:45:184
8348979994,4cyclictest1004987-21tune2fs20:35:064
8349019987,1cyclictest0-21swapper/522:19:555
8349019987,1cyclictest0-21swapper/520:31:085
8349019986,1cyclictest0-21swapper/523:30:025
8349019986,1cyclictest0-21swapper/522:10:095
8349019986,1cyclictest0-21swapper/521:35:095
8349019984,3cyclictest1394594-21cat23:55:085
8349019984,3cyclictest1327088-21cut23:20:085
8349019984,3cyclictest1102461-21tr21:25:075
8349019983,4cyclictest956291-21tune2fs20:10:055
8349019983,4cyclictest887816-21cat19:35:065
8349019983,4cyclictest1476046-21cut00:35:125
8349019983,4cyclictest1423618-21expr00:10:045
8349019983,4cyclictest1368138-21cut23:40:105
8349019983,4cyclictest1083962-21cut21:15:115
8349019983,4cyclictest1018939-21cut20:40:105
8348979984,3cyclictest1199127-21cpu22:15:044
8349019975,1cyclictest0-21swapper/521:45:055
8349019973,3cyclictest908152-21sed19:45:095
8349019973,3cyclictest1199314-21expr22:15:045
8349019972,4cyclictest1374957-21cut23:45:065
8349019972,4cyclictest1289459-21cat23:00:105
8348979974,2cyclictest1208828-21kworker/u16:4+events_unbound22:55:044
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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