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2026-07-01 - 14:33
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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 Wed Jul 01, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12314332990,1sleep40-21swapper/409:39:254
91230927564,7sleep40-21swapper/407:08:224
91223426252,7sleep50-21swapper/507:07:195
912635995351,2cyclictest1285579-21kworker/u16:3+flush-8:010:21:305
912635994540,4cyclictest1196521-21kworker/u16:0+flush-8:009:39:035
912635994138,2cyclictest984439-21kworker/u16:0+flush-8:009:09:345
9030582403,31sleep70-21swapper/707:04:087
641489390,32rtkit-daemon0-21swapper/607:04:056
912639993735,2cyclictest1359748-21kworker/u16:0+events_unbound11:48:576
912639993735,2cyclictest1285579-21kworker/u16:3+events_unbound10:17:026
912640993631,4cyclictest1618191-21latency_hist12:19:037
912639993634,2cyclictest1319957-21kworker/u16:1+events_unbound10:49:296
912639993533,2cyclictest936192-21kworker/u16:1+flush-8:009:11:336
912639993533,2cyclictest1442584-21kworker/u16:3+events_unbound12:06:256
912639993533,2cyclictest1442584-21kworker/u16:3+events_unbound11:59:076
912639993533,2cyclictest1320830-21kworker/u16:5+events_unbound10:37:496
912639993432,2cyclictest984439-21kworker/u16:0+events_unbound09:16:376
912639993432,2cyclictest936192-21kworker/u16:1+flush-8:010:04:326
912639993432,2cyclictest1482877-21kworker/u16:2+events_unbound12:28:186
912639993432,2cyclictest1285579-21kworker/u16:3+events_unbound10:30:416
912639993432,2cyclictest1196521-21kworker/u16:0+events_unbound09:35:466
912635993431,3cyclictest873709-21kworker/u16:2+flush-8:007:34:295
912640993332,0cyclictest0-21swapper/709:34:057
912639993331,2cyclictest1544784-21kworker/u16:1+events_unbound12:22:446
912639993331,2cyclictest1442584-21kworker/u16:3+events_unbound11:56:336
912639993331,2cyclictest1442584-21kworker/u16:3+events_unbound11:40:046
912639993331,2cyclictest1285579-21kworker/u16:3+flush-8:010:13:406
912639993331,2cyclictest1196521-21kworker/u16:0+events_unbound09:47:106
912639993331,2cyclictest1174290-21kworker/u16:5+events_unbound09:57:536
912633993331,2cyclictest936192-21kworker/u16:1+flush-8:009:14:174
912633993331,2cyclictest1139662-21kworker/u16:3+flush-8:009:09:044
912639993230,2cyclictest1544784-21kworker/u16:1+events_unbound11:52:426
912639993230,2cyclictest1482877-21kworker/u16:2+events_unbound12:17:496
912633993229,2cyclictest1319957-21kworker/u16:1+flush-8:010:26:364
912640993129,1cyclictest1517226-21ssh11:34:327
912639993129,2cyclictest936192-21kworker/u16:1+events_unbound09:33:336
912639993129,2cyclictest828327-21kworker/u16:4+flush-8:007:19:296
912639993129,2cyclictest1544784-21kworker/u16:1+events_unbound12:11:206
912639993129,2cyclictest1394203-21kworker/u16:2+events_unbound10:54:046
912639993129,2cyclictest1320830-21kworker/u16:5+events_unbound10:39:046
912639993129,2cyclictest1319957-21kworker/u16:1+flush-8:010:44:346
912639993129,2cyclictest1319957-21kworker/u16:1+flush-8:010:44:346
912639993129,2cyclictest1196521-21kworker/u16:0+events_unbound09:53:066
912640993029,0cyclictest0-21swapper/712:29:057
912640993024,5cyclictest1310106-21latency_hist10:14:037
912639993028,2cyclictest1319957-21kworker/u16:1+flush-8:011:04:366
912639993028,2cyclictest1285579-21kworker/u16:3+events_unbound10:27:066
912639993027,2cyclictest936192-21kworker/u16:1+events_unbound09:59:086
912635993028,2cyclictest1544784-21kworker/u16:1+flush-8:012:34:285
912633993029,1cyclictest1482877-21kworker/u16:2+events_unbound12:30:174
912640992926,2cyclictest1483315-21ssh11:24:137
912640992926,2cyclictest1483315-21ssh11:24:137
912639992927,2cyclictest1442584-21kworker/u16:3+events_unbound11:36:216
912639992927,2cyclictest1319957-21kworker/u16:1+flush-8:011:00:366
912639992927,2cyclictest1319957-21kworker/u16:1+events_unbound11:17:286
912639992927,2cyclictest1319957-21kworker/u16:1+events_unbound11:14:026
912635992927,2cyclictest1482877-21kworker/u16:2+events_unbound11:54:285
912640992827,0cyclictest0-21swapper/711:49:047
912640992823,4cyclictest1507454-21latency_hist11:34:037
912640992725,1cyclictest0-21swapper/712:00:537
912639992725,2cyclictest1605974-21kworker/u16:0+events_unbound12:37:206
912639992725,2cyclictest1285579-21kworker/u16:3+events_unbound10:20:556
912635992724,2cyclictest1544784-21kworker/u16:1+flush-8:012:09:085
912640992625,0cyclictest0-21swapper/711:39:337
912640992619,5cyclictest650-21systemd-journal08:09:037
912635992623,2cyclictest1273552-21kworker/u16:2+flush-8:010:04:095
912640992524,0cyclictest0-21swapper/708:34:287
912640992522,2cyclictest1421299-21basename10:59:037
912640992519,5cyclictest1003829-21latency_hist07:54:037
912639992523,2cyclictest1605974-21kworker/u16:0+events_unbound12:29:586
912639992523,2cyclictest1442584-21kworker/u16:3+events_unbound11:20:316
912635992523,2cyclictest936192-21kworker/u16:1+events_unbound08:34:265
912635992523,2cyclictest1442584-21kworker/u16:3+events_unbound11:14:285
912633992523,2cyclictest1482877-21kworker/u16:2+flush-8:012:09:214
912633992523,2cyclictest1442584-21kworker/u16:3+flush-8:011:34:214
912640992420,3cyclictest1103605-21kthreadcore08:44:217
912639992422,2cyclictest1442584-21kworker/u16:3+events_unbound11:25:526
912639992422,2cyclictest1442584-21kworker/u16:3+events_unbound11:25:526
912639992422,2cyclictest1139662-21kworker/u16:3+flush-8:009:19:556
912639992422,2cyclictest1139662-21kworker/u16:3+flush-8:009:19:556
912633992422,2cyclictest1482877-21kworker/u16:2+events_unbound11:24:164
912633992422,2cyclictest1482877-21kworker/u16:2+events_unbound11:24:164
912640992320,2cyclictest1468420-21ssh11:15:217
912639992321,2cyclictest1359748-21kworker/u16:0+events_unbound11:31:466
912639992321,2cyclictest1174290-21kworker/u16:5+events_unbound09:25:276
912633992321,2cyclictest936192-21kworker/u16:1+events_unbound09:38:584
912633992321,2cyclictest1139662-21kworker/u16:3+events_unbound09:19:214
912633992321,2cyclictest1139662-21kworker/u16:3+events_unbound09:19:214
912640992221,0cyclictest0-21swapper/710:21:417
912640992221,0cyclictest0-21swapper/709:44:297
912640992220,1cyclictest1149659-21diskmemload10:27:227
912639992220,2cyclictest1196521-21kworker/u16:0+flush-8:009:40:296
912635992220,2cyclictest1482877-21kworker/u16:2+flush-8:011:34:315
912640992120,0cyclictest0-21swapper/712:24:247
912640992120,0cyclictest0-21swapper/710:49:377
912640992120,0cyclictest0-21swapper/710:45:137
912640992120,0cyclictest0-21swapper/710:45:137
912640992118,2cyclictest1225455-21ssh09:39:217
91264099210,20cyclictest5934-21gnome-shell12:21:127
912639992119,2cyclictest936192-21kworker/u16:1+flush-8:008:44:036
912635992119,2cyclictest936192-21kworker/u16:1+flush-8:009:54:335
912635992119,2cyclictest1442584-21kworker/u16:3+flush-8:011:13:585
912635992119,2cyclictest1394203-21kworker/u16:2+events_unbound10:49:195
912635992119,2cyclictest1374561-21kworker/u16:4+flush-8:010:39:235
912633992119,2cyclictest1544784-21kworker/u16:1+events_unbound12:24:264
912633992119,2cyclictest1482877-21kworker/u16:2+flush-8:012:34:204
912633992118,2cyclictest1319957-21kworker/u16:1+flush-8:011:14:254
912633992118,2cyclictest1009462-21kworker/u16:2+flush-8:007:54:294
912640992019,0cyclictest0-21swapper/711:02:177
912640992018,1cyclictest1284934-21ssh10:03:147
912640992015,4cyclictest1593604-21latency_hist12:09:027
912640992014,5cyclictest1458250-21latency_hist11:14:037
912635992017,2cyclictest936192-21kworker/u16:1+flush-8:007:49:205
912633992019,1cyclictest1394203-21kworker/u16:2+events_unbound10:56:174
912633992017,2cyclictest1544784-21kworker/u16:1+events_unbound12:04:144
912640991918,0cyclictest0-21swapper/712:38:367
912640991917,1cyclictest1322573-21idleruntime-cro10:19:037
912640991917,1cyclictest1149659-21diskmemload11:05:387
912640991916,1cyclictest0-21swapper/707:54:217
912635991916,2cyclictest936192-21kworker/u16:1+flush-8:009:29:345
912633991917,2cyclictest936192-21kworker/u16:1+flush-8:008:39:314
912633991916,2cyclictest936192-21kworker/u16:1+flush-8:009:59:074
912633991916,2cyclictest936192-21kworker/u16:1+flush-8:008:09:214
912635991816,2cyclictest1394203-21kworker/u16:2+events_unbound11:04:165
912635991816,2cyclictest1009462-21kworker/u16:2+flush-8:007:54:275
912633991816,2cyclictest1072201-21kworker/u16:3+flush-8:008:29:184
912640991716,0cyclictest0-21swapper/709:04:337
912640991716,0cyclictest0-21swapper/707:09:187
912640991711,5cyclictest1130199-21latency_hist08:59:037
912639991715,2cyclictest945754-21kworker/u16:3+flush-8:007:44:536
912635991715,2cyclictest1359748-21kworker/u16:0+flush-8:011:29:235
912635991715,2cyclictest1359748-21kworker/u16:0+flush-8:011:24:185
912635991715,2cyclictest1359748-21kworker/u16:0+flush-8:011:24:185
912635991715,2cyclictest1320830-21kworker/u16:5+flush-8:010:34:195
912635991715,2cyclictest1273552-21kworker/u16:2+flush-8:010:16:105
912633991715,2cyclictest945754-21kworker/u16:3+flush-8:007:44:324
912633991715,2cyclictest936192-21kworker/u16:1+flush-8:007:24:374
912633991715,2cyclictest1442584-21kworker/u16:3+events_unbound11:44:164
912633991715,2cyclictest1319957-21kworker/u16:1+events_unbound10:19:254
912640991615,0cyclictest0-21swapper/710:40:167
912640991615,0cyclictest0-21swapper/710:34:387
912640991614,1cyclictest0-21swapper/711:55:137
912640991614,1cyclictest0-21swapper/711:19:037
912640991614,1cyclictest0-21swapper/709:20:057
912640991614,1cyclictest0-21swapper/709:20:057
912640991611,4cyclictest1273068-21latency_hist09:59:037
91264099160,14cyclictest1149659-21diskmemload12:09:267
912639991614,2cyclictest1120250-21kworker/u16:2+events_unbound08:53:106
912635991614,2cyclictest936192-21kworker/u16:1+flush-8:009:15:205
912635991614,2cyclictest936192-21kworker/u16:1+events_unbound07:29:305
912635991614,2cyclictest1482877-21kworker/u16:2+flush-8:012:19:185
912635991614,2cyclictest1091375-21kworker/u16:4+events_unbound08:49:335
912633991614,2cyclictest984439-21kworker/u16:0+flush-8:007:59:324
912633991614,2cyclictest936192-21kworker/u16:1+flush-8:008:44:254
912633991614,2cyclictest1319957-21kworker/u16:1+events_unbound10:29:314
912640991514,0cyclictest0-21swapper/708:49:317
912640991513,1cyclictest1198801-21ssh09:28:377
912640991513,1cyclictest0-21swapper/707:44:277
912640991512,2cyclictest0-21swapper/708:24:047
912639991512,2cyclictest984439-21kworker/u16:0+flush-8:008:09:046
912635991512,2cyclictest828327-21kworker/u16:4+flush-8:007:19:205
912640991412,1cyclictest1295758-21ssh10:05:337
91264099140,1cyclictest0-21swapper/708:39:287
91264099140,13cyclictest0-21swapper/707:34:297
912639991412,2cyclictest936192-21kworker/u16:1+flush-8:007:49:266
91263999140,13cyclictest0-21swapper/607:29:046
912635991413,1cyclictest0-21swapper/509:19:205
912635991413,1cyclictest0-21swapper/509:19:205
912635991412,2cyclictest1482877-21kworker/u16:2+flush-8:012:28:585
912635991412,2cyclictest1139662-21kworker/u16:3+flush-8:009:24:315
91263599140,1cyclictest0-21swapper/512:29:095
91263599140,14cyclictest0-21swapper/510:27:175
91263599140,14cyclictest0-21swapper/509:52:085
912633991413,1cyclictest0-21swapper/410:14:474
912633991412,2cyclictest873709-21kworker/u16:2+flush-8:007:34:374
912633991412,1cyclictest0-21swapper/410:39:134
912633991411,2cyclictest936192-21kworker/u16:1+events_unbound09:24:184
91263399140,1cyclictest0-21swapper/409:29:324
91263399140,14cyclictest0-21swapper/411:59:264
91264099139,3cyclictest1278-21snmpd08:13:197
91264099139,3cyclictest1278-21snmpd08:03:107
91264099138,4cyclictest1174251-21latency_hist09:19:037
91264099137,5cyclictest955299-21latency_hist07:29:047
912639991312,1cyclictest0-21swapper/608:55:006
912639991311,2cyclictest984439-21kworker/u16:0+flush-8:008:24:176
91263999130,13cyclictest0-21swapper/609:04:276
912635991311,2cyclictest984439-21kworker/u16:0+flush-8:008:59:315
912635991311,2cyclictest1442584-21kworker/u16:3+flush-8:012:14:185
912635991311,2cyclictest1285579-21kworker/u16:3+flush-8:010:09:195
912635991311,2cyclictest1174290-21kworker/u16:5+flush-8:009:59:145
91263599130,13cyclictest0-21swapper/510:55:025
912633991311,2cyclictest1442584-21kworker/u16:3+events_unbound11:04:304
912633991310,2cyclictest936192-21kworker/u16:1+flush-8:008:59:224
912633991310,2cyclictest1237584-21irqcore09:44:194
912633991310,2cyclictest1091375-21kworker/u16:4+flush-8:008:49:294
91263399130,13cyclictest0-21swapper/410:11:564
91264099129,2cyclictest1278-21snmpd08:59:337
91264099128,3cyclictest1278-21snmpd08:17:347
91264099128,3cyclictest1278-21snmpd07:43:277
912640991212,0cyclictest0-21swapper/709:13:457
912640991210,1cyclictest0-21swapper/710:29:227
91264099120,2cyclictest942060-21cut07:19:247
912639991211,1cyclictest0-21swapper/608:19:416
912639991211,1cyclictest0-21swapper/607:40:256
912639991210,2cyclictest1022292-21kworker/u16:4+events_unbound08:04:586
91263999120,12cyclictest0-21swapper/608:37:306
91263999120,12cyclictest0-21swapper/607:35:326
912635991211,1cyclictest0-21swapper/511:20:255
912635991211,1cyclictest0-21swapper/509:46:085
912635991210,2cyclictest984439-21kworker/u16:0+events_unbound08:24:325
912635991210,2cyclictest984439-21kworker/u16:0+events_unbound08:09:165
912635991210,2cyclictest936192-21kworker/u16:1+flush-8:007:44:235
912635991210,2cyclictest873709-21kworker/u16:2+flush-8:007:14:085
912635991210,2cyclictest1442584-21kworker/u16:3+events_unbound11:59:155
912635991210,2cyclictest1442584-21kworker/u16:3+events_unbound11:39:175
91263599120,1cyclictest0-21swapper/507:40:395
91263399129,2cyclictest936192-21kworker/u16:1+flush-8:008:24:294
91263399128,3cyclictest1043874-21cat08:14:164
912633991211,1cyclictest0-21swapper/411:19:534
912633991211,1cyclictest0-21swapper/411:03:204
912633991211,1cyclictest0-21swapper/410:50:534
912633991211,1cyclictest0-21swapper/409:09:494
912633991210,2cyclictest1320830-21kworker/u16:5+events_unbound10:39:024
91263399120,1cyclictest0-21swapper/411:43:514
91264099118,2cyclictest1278-21snmpd08:30:147
91264099117,3cyclictest5963-21gmain09:49:247
91264099117,3cyclictest1278-21snmpd11:44:597
91264099110,10cyclictest1210496-21ssh09:32:317
91263999119,2cyclictest984439-21kworker/u16:0+flush-8:008:19:036
91263999119,2cyclictest873709-21kworker/u16:2+events_unbound07:14:176
91263999119,2cyclictest1009462-21kworker/u16:2+events_unbound07:58:546
91263999116,4cyclictest1014685-21cat07:59:186
912639991110,1cyclictest0-21swapper/608:43:576
912635991110,1cyclictest0-21swapper/508:57:355
91263599110,11cyclictest0-21swapper/508:21:575
91263599110,11cyclictest0-21swapper/508:17:045
91263399119,2cyclictest984439-21kworker/u16:0+flush-8:008:54:234
91263399119,2cyclictest936192-21kworker/u16:1+flush-8:007:29:194
91263399118,2cyclictest1625485-21kthreadcore12:19:234
91263399110,11cyclictest0-21swapper/408:04:524
91263399110,0cyclictest0-21swapper/407:21:034
91264099105,4cyclictest650-21systemd-journal07:14:047
91263999100,9cyclictest0-21swapper/608:59:216
91263599109,1cyclictest0-21swapper/510:32:485
91263599109,1cyclictest0-21swapper/508:46:235
91263599108,2cyclictest1394203-21kworker/u16:2+events_unbound10:46:135
91263599108,2cyclictest1394203-21kworker/u16:2+events_unbound10:46:135
91263599107,2cyclictest946773-21irqcore07:24:215
91263599107,2cyclictest1544784-21kworker/u16:1+events_unbound12:04:305
91263399109,1cyclictest0-21swapper/412:19:014
91263399109,1cyclictest0-21swapper/411:51:354
91263399109,1cyclictest0-21swapper/411:29:404
91263399109,1cyclictest0-21swapper/409:49:334
91263399109,1cyclictest0-21swapper/407:16:004
9126409995,3cyclictest1278-21snmpd08:20:117
9126409992,6cyclictest6083-21gmain07:29:257
9126399998,1cyclictest0-21swapper/607:24:116
9126399998,1cyclictest0-21swapper/607:11:156
9126399996,2cyclictest1075838-21kthreadcore08:29:226
9126359998,1cyclictest0-21swapper/508:08:525
9126359998,1cyclictest0-21swapper/508:02:155
9126359997,2cyclictest936192-21kworker/u16:1+flush-8:008:39:325
9126359997,2cyclictest1482877-21kworker/u16:2+flush-8:011:49:295
9126359996,2cyclictest873709-21kworker/u16:2+flush-8:007:09:215
9126359994,4cyclictest1429830-21cut10:59:235
9126359994,4cyclictest1225004-21cat09:39:195
9126359991,7cyclictest0-21swapper/509:04:235
9126339998,1cyclictest0-21swapper/407:39:204
9126339994,4cyclictest1002916-21ntpq07:49:294
9126339986,1cyclictest0-21swapper/411:09:234
9126339986,1cyclictest0-21swapper/410:44:224
9126339986,1cyclictest0-21swapper/410:44:224
9126339986,1cyclictest0-21swapper/408:19:204
9126339986,1cyclictest0-21swapper/407:09:244
9126339984,3cyclictest1269843-21ntpq09:54:274
9126339984,3cyclictest1082201-21expr08:34:164
9126339983,4cyclictest1561727-21cut11:54:224
9126359973,3cyclictest1072390-21cpuspeed_turbos08:29:165
9126359972,4cyclictest1537420-21grep11:44:225
9126339972,1cyclictest681rcuog/410:04:174
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