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2026-08-04 - 01:05
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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 Mon Aug 03, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
109541125544,8sleep40-21swapper/407:05:164
109538625016,29sleep70-21swapper/707:04:557
109592299390,37cyclictest1216902-21sed08:08:407
109592299380,36cyclictest1275370-21cat08:38:407
1095922993733,3cyclictest125-21kswapd010:23:397
1095922993733,3cyclictest125-21kswapd010:23:397
1095911993733,3cyclictest1456613-21kworker/u16:4+events_unbound10:13:554
109563023727,7sleep50-21swapper/507:08:225
1095922993634,1cyclictest1551306-21ssh10:34:057
1095922993428,5cyclictest1304454-21latency_hist08:53:407
1095913993432,2cyclictest1542304-21kworker/u16:2+events_unbound10:38:545
108623223422,8sleep60-21swapper/607:03:426
1095922993332,0cyclictest0-21swapper/709:39:027
1095922993330,2cyclictest958-21NetworkManager10:23:577
1095922993330,2cyclictest958-21NetworkManager10:23:577
109592299330,31cyclictest1333773-21sed09:08:407
109592299330,31cyclictest1333773-21sed09:08:407
1095911993330,2cyclictest1590391-21kworker/u16:2+events_unbound11:33:544
109592299310,29cyclictest1346022-21systemd-run09:13:407
1095913993129,2cyclictest1505161-21kworker/u16:0+events_unbound10:49:135
1095913992927,2cyclictest1590391-21kworker/u16:2+events_unbound11:02:055
1095913992927,2cyclictest1505161-21kworker/u16:0+events_unbound10:23:295
1095913992927,2cyclictest1505161-21kworker/u16:0+events_unbound10:23:295
1095913992927,2cyclictest1050623-21kworker/u16:4+events_unbound07:21:385
1095913992926,2cyclictest1274584-21kworker/u16:3+flush-8:008:58:455
1095911992927,2cyclictest1542304-21kworker/u16:2+events_unbound10:38:564
1095913992826,2cyclictest1505161-21kworker/u16:0+events_unbound11:04:085
1095913992826,2cyclictest1419639-21kworker/u16:3+events_unbound11:23:255
1095913992826,2cyclictest1324133-21kworker/u16:1+events_unbound09:32:295
1095913992826,2cyclictest1294376-21kworker/u16:0+events_unbound08:45:425
1095913992826,2cyclictest1206784-21kworker/u16:1+events_unbound08:17:385
1095913992826,2cyclictest1168111-21kworker/u16:0+events_unbound07:59:125
1095911992826,2cyclictest1454222-21kworker/u16:1+events_unbound10:33:314
14793212270,0chrt1479322-21sh10:05:397
1095922992726,0cyclictest0-21swapper/710:14:067
1095922992724,2cyclictest1657871-21kthreadcore11:18:587
1095922992723,2cyclictest1158402-21cat07:38:407
1095922992723,2cyclictest1158402-21cat07:38:407
1095913992725,2cyclictest1590391-21kworker/u16:2+events_unbound11:34:475
1095913992725,2cyclictest1419639-21kworker/u16:3+events_unbound11:26:315
1095913992725,2cyclictest1419639-21kworker/u16:3+events_unbound09:56:295
1095913992725,2cyclictest1332724-21kworker/u16:4+events_unbound09:24:265
1095913992725,2cyclictest1274584-21kworker/u16:3+events_unbound08:58:385
1095913992724,2cyclictest1294376-21kworker/u16:0+flush-8:008:48:455
109592299260,24cyclictest6010-21gnome-software07:17:327
1095913992624,2cyclictest431988-21kworker/u16:2+events_unbound07:36:395
1095913992624,2cyclictest431988-21kworker/u16:2+events_unbound07:36:395
1095913992624,2cyclictest1652641-21kworker/u16:1+events_unbound11:31:575
1095913992624,2cyclictest1629417-21kworker/u16:4+events_unbound11:14:495
1095913992624,2cyclictest1505161-21kworker/u16:0+events_unbound10:57:165
1095913992624,2cyclictest1456613-21kworker/u16:4+events_unbound10:10:375
1095913992624,2cyclictest1454222-21kworker/u16:1+events_unbound10:02:175
1095913992624,2cyclictest1118287-21kworker/u16:5+events_unbound09:07:475
1095913992624,2cyclictest1118287-21kworker/u16:5+events_unbound09:07:475
1095913992624,2cyclictest1050623-21kworker/u16:4+flush-8:007:09:385
1095913992624,2cyclictest1050623-21kworker/u16:4+events_unbound07:29:395
1095919992523,2cyclictest1332724-21kworker/u16:4+events_unbound09:09:396
1095919992523,2cyclictest1050623-21kworker/u16:4+events_unbound07:19:416
1095919992522,2cyclictest1303291-21kworker/u16:2+flush-8:008:59:026
1095919992519,6cyclictest1456613-21kworker/u16:4+events_unbound10:03:356
1095913992523,2cyclictest431988-21kworker/u16:2+events_unbound07:25:545
1095913992523,2cyclictest1714048-21kworker/u16:1+events_unbound11:59:275
1095913992523,2cyclictest1419639-21kworker/u16:3+events_unbound12:27:105
1095913992523,2cyclictest1332724-21kworker/u16:4+flush-8:009:12:265
1095913992523,2cyclictest1332724-21kworker/u16:4+events_unbound09:18:155
1095913992523,2cyclictest1236350-21kworker/u16:2+events_unbound08:31:385
1095913992523,2cyclictest1168111-21kworker/u16:0+events_unbound07:54:545
1095913992523,2cyclictest1118287-21kworker/u16:5+events_unbound08:26:105
1095913992523,2cyclictest1118287-21kworker/u16:5+events_unbound07:47:385
1095913992522,2cyclictest1419639-21kworker/u16:3+flush-8:012:08:435
1095913992422,2cyclictest1846512-21kworker/u16:2+flush-8:012:38:205
1095913992422,2cyclictest1760565-21kworker/u16:6+events_unbound12:18:045
1095913992422,2cyclictest1629417-21kworker/u16:4+events_unbound11:11:555
1095913992422,2cyclictest1456613-21kworker/u16:4+events_unbound10:17:285
1095913992422,2cyclictest1454222-21kworker/u16:1+events_unbound10:03:535
1095913992422,2cyclictest1419639-21kworker/u16:3+events_unbound11:47:045
1095913992422,2cyclictest1265707-21kworker/u16:1+events_unbound08:40:025
1095913992422,2cyclictest1236350-21kworker/u16:2+events_unbound08:36:435
1095913992422,2cyclictest1050623-21kworker/u16:4+events_unbound07:42:065
1095913992421,2cyclictest431988-21kworker/u16:2+events_unbound07:13:425
1095911992423,1cyclictest1324133-21kworker/u16:1+events_unbound09:28:524
1095922992322,0cyclictest0-21swapper/707:58:547
109592299230,1cyclictest0-21swapper/707:19:067
1095919992321,2cyclictest1714048-21kworker/u16:1+events_unbound12:24:296
1095919992321,2cyclictest1419639-21kworker/u16:3+events_unbound12:09:506
1095919992320,2cyclictest1419639-21kworker/u16:3+events_unbound11:23:476
1095913992321,2cyclictest1505161-21kworker/u16:0+events_unbound10:29:015
1095913992321,2cyclictest1419639-21kworker/u16:3+events_unbound12:31:085
1095913992321,2cyclictest1370551-21kworker/u16:2+events_unbound09:45:135
1095913992321,2cyclictest1178239-21kworker/u16:1+events_unbound07:49:185
1095913992321,2cyclictest1118287-21kworker/u16:5+events_unbound08:21:075
1095913992320,2cyclictest1699420-21kworker/u16:0+events_unbound11:38:495
1095911992321,2cyclictest1236350-21kworker/u16:2+flush-8:008:24:114
1095911992321,2cyclictest1118287-21kworker/u16:5+events_unbound08:33:534
1095922992216,5cyclictest1187582-21latency_hist07:53:407
1095919992220,2cyclictest1714048-21kworker/u16:1+flush-8:011:48:556
1095919992220,2cyclictest1505161-21kworker/u16:0+flush-8:011:05:146
1095919992220,2cyclictest1454222-21kworker/u16:1+events_unbound10:08:206
1095919992220,2cyclictest1206784-21kworker/u16:1+events_unbound08:16:006
1095919992220,2cyclictest1178239-21kworker/u16:1+events_unbound07:50:226
1095913992220,2cyclictest1714048-21kworker/u16:1+flush-8:012:04:275
1095913992220,2cyclictest1419639-21kworker/u16:3+flush-8:010:44:215
1095913992220,2cyclictest1207462-21kworker/u16:3+events_unbound08:05:315
1095911992219,2cyclictest1419639-21kworker/u16:3+flush-8:010:53:404
1095911992218,3cyclictest1346023-21kworker/u16:0+flush-8:009:34:434
1095922992118,1cyclictest0-21swapper/712:09:057
1095919992119,2cyclictest1346023-21kworker/u16:0+flush-8:009:53:596
1095919992119,2cyclictest1274584-21kworker/u16:3+events_unbound08:40:226
1095919992119,2cyclictest1178239-21kworker/u16:1+events_unbound07:53:596
1095919992118,2cyclictest1419639-21kworker/u16:3+flush-8:010:53:586
1095913992119,2cyclictest1370551-21kworker/u16:2+flush-8:009:39:225
1095913992118,2cyclictest1207462-21kworker/u16:3+flush-8:008:08:415
1095911992118,3cyclictest1118287-21kworker/u16:5+events_unbound08:18:544
12256162200,1chrt1225613-21ntpq08:09:047
1095922992018,1cyclictest1622341-21ssh11:04:017
1095919992018,2cyclictest1714048-21kworker/u16:1+flush-8:012:19:026
1095919992018,2cyclictest1505161-21kworker/u16:0+events_unbound10:48:546
1095919992018,2cyclictest1346023-21kworker/u16:0+flush-8:009:45:016
1095919992018,2cyclictest1236350-21kworker/u16:2+flush-8:008:19:026
1095919992018,2cyclictest1118287-21kworker/u16:5+events_unbound07:17:176
1095913992018,2cyclictest1505161-21kworker/u16:0+events_unbound10:27:375
1095913992018,2cyclictest1505161-21kworker/u16:0+events_unbound10:27:375
1095913992018,2cyclictest1346023-21kworker/u16:0+flush-8:009:52:115
1095913992018,2cyclictest1346023-21kworker/u16:0+events_unbound09:19:335
1095913992017,2cyclictest1699420-21kworker/u16:0+flush-8:011:48:455
1095911992018,2cyclictest431988-21kworker/u16:2+events_unbound07:28:564
1095911992018,2cyclictest1346023-21kworker/u16:0+flush-8:009:47:504
1095922991917,1cyclictest0-21swapper/707:54:007
1095922991915,3cyclictest1302-21snmpd07:28:367
109592299190,17cyclictest1323913-21latency_hist09:03:407
1095919991917,2cyclictest1590391-21kworker/u16:2+events_unbound11:54:186
1095919991917,2cyclictest1370551-21kworker/u16:2+events_unbound09:50:246
1095919991917,2cyclictest1206784-21kworker/u16:1+events_unbound08:02:416
1095919991916,2cyclictest1294376-21kworker/u16:0+flush-8:008:48:416
1095913991917,2cyclictest1590391-21kworker/u16:2+flush-8:011:56:165
1095913991917,2cyclictest1505161-21kworker/u16:0+flush-8:010:34:325
1095913991917,2cyclictest1346023-21kworker/u16:0+events_unbound09:36:145
1095911991917,2cyclictest1590391-21kworker/u16:2+events_unbound11:29:154
1095911991915,3cyclictest1324133-21kworker/u16:1+flush-8:009:08:574
1095922991814,2cyclictest1432449-21ssh09:48:527
1095919991816,2cyclictest1419639-21kworker/u16:3+flush-8:011:29:006
1095919991816,2cyclictest1332724-21kworker/u16:4+events_unbound09:38:546
1095919991816,2cyclictest1265707-21kworker/u16:1+events_unbound08:38:216
1095919991815,2cyclictest1274584-21kworker/u16:3+flush-8:009:03:456
1095919991815,2cyclictest1274584-21kworker/u16:3+flush-8:009:03:456
1095911991816,2cyclictest1274584-21kworker/u16:3+events_unbound08:51:444
1095911991815,2cyclictest1118287-21kworker/u16:5+flush-8:007:39:424
109592299170,16cyclictest0-21swapper/707:44:047
109592299170,15cyclictest1302-21snmpd09:20:217
1095919991715,2cyclictest1454222-21kworker/u16:1+events_unbound10:13:276
1095919991715,2cyclictest1419639-21kworker/u16:3+flush-8:011:00:176
1095919991715,2cyclictest1236350-21kworker/u16:2+flush-8:008:24:016
1095919991715,2cyclictest1138536-21kworker/u16:0+flush-8:007:27:336
1095919991715,2cyclictest1118287-21kworker/u16:5+flush-8:007:34:026
1095919991715,2cyclictest1118287-21kworker/u16:5+flush-8:007:34:026
1095913991715,2cyclictest1714048-21kworker/u16:1+flush-8:012:22:325
1095911991715,2cyclictest1419639-21kworker/u16:3+events_unbound10:21:054
1095911991715,2cyclictest1419639-21kworker/u16:3+events_unbound10:21:054
1095911991714,2cyclictest1629417-21kworker/u16:4+flush-8:011:14:464
1095911991714,2cyclictest0-21swapper/409:18:514
1095922991615,0cyclictest0-21swapper/711:14:087
1095922991613,2cyclictest1428832-21ssh09:44:057
1095922991612,3cyclictest1302-21snmpd11:25:347
1095922991611,4cyclictest1836626-21latency_hist12:33:397
1095919991614,2cyclictest1629417-21kworker/u16:4+flush-8:011:14:016
1095919991614,2cyclictest1324133-21kworker/u16:1+events_unbound09:18:196
1095919991614,2cyclictest1252790-21kworker/u16:0+events_unbound08:33:206
1095919991614,2cyclictest1168111-21kworker/u16:0+flush-8:008:11:046
1095919991614,2cyclictest1118287-21kworker/u16:5+events_unbound07:45:336
1095922991513,1cyclictest0-21swapper/712:24:037
1095922991510,4cyclictest1407323-21latency_hist09:38:407
109592299150,13cyclictest1775292-21latency_hist12:08:407
109592299150,13cyclictest0-21swapper/707:29:057
1095919991514,1cyclictest1846512-21kworker/u16:2+flush-8:012:36:586
1095919991513,2cyclictest6329-21evolution-calen11:45:076
1095919991513,2cyclictest1714048-21kworker/u16:1+flush-8:012:02:506
1095919991513,2cyclictest1324133-21kworker/u16:1+events_unbound09:37:166
1095919991513,2cyclictest1207462-21kworker/u16:3+events_unbound08:04:176
1095919991513,2cyclictest1118287-21kworker/u16:5+events_unbound08:54:056
1095919991513,2cyclictest1118287-21kworker/u16:5+events_unbound07:29:296
1095919991513,2cyclictest1050623-21kworker/u16:4+events_unbound07:13:246
1095919991510,2cyclictest1454222-21kworker/u16:1+events_unbound10:24:306
1095919991510,2cyclictest1454222-21kworker/u16:1+events_unbound10:24:306
1095911991512,2cyclictest1118287-21kworker/u16:5+flush-8:008:29:084
109591199150,1cyclictest0-21swapper/410:35:294
109592299140,13cyclictest1395005-21turbostat09:33:407
109592299140,13cyclictest0-21swapper/709:54:057
1095919991412,2cyclictest1760565-21kworker/u16:6+events_unbound12:29:286
1095919991412,2cyclictest1505161-21kworker/u16:0+flush-8:010:29:006
1095919991412,2cyclictest1456613-21kworker/u16:4+events_unbound10:14:126
1095919991412,2cyclictest1419639-21kworker/u16:3+flush-8:011:34:306
1095919991412,2cyclictest1419639-21kworker/u16:3+events_unbound11:23:376
109591999140,14cyclictest0-21swapper/612:05:126
109591999140,14cyclictest0-21swapper/611:10:116
109591999140,14cyclictest0-21swapper/610:20:316
109591999140,14cyclictest0-21swapper/610:20:316
109591999140,14cyclictest0-21swapper/609:22:116
1095911991413,1cyclictest0-21swapper/412:33:254
1095911991413,1cyclictest0-21swapper/412:09:364
1095911991413,1cyclictest0-21swapper/411:47:044
1095911991413,1cyclictest0-21swapper/411:20:064
1095911991413,1cyclictest0-21swapper/411:03:524
1095911991412,2cyclictest1714048-21kworker/u16:1+flush-8:012:13:554
1095911991411,2cyclictest6329-21evolution-calen12:25:214
109591199140,1cyclictest0-21swapper/412:18:544
109591199140,1cyclictest0-21swapper/411:55:154
109591199140,14cyclictest0-21swapper/412:05:304
109592299139,3cyclictest6233-21gvfs-afc-volume11:29:047
109592299139,3cyclictest1302-21snmpd11:35:557
109592299139,3cyclictest1302-21snmpd11:02:397
109592299139,3cyclictest1302-21snmpd09:18:187
109592299139,3cyclictest1302-21snmpd08:44:567
109592299139,3cyclictest1302-21snmpd08:29:497
109592299139,3cyclictest1302-21snmpd08:22:197
1095922991312,0cyclictest0-21swapper/710:48:427
1095922991312,0cyclictest0-21swapper/710:46:587
1095922991312,0cyclictest0-21swapper/708:41:387
109592299130,6cyclictest0-21swapper/711:56:227
109592299130,12cyclictest0-21swapper/709:26:227
109591999138,2cyclictest1419639-21kworker/u16:3+events_unbound12:14:456
1095919991311,2cyclictest1542304-21kworker/u16:2+flush-8:010:37:096
1095919991311,2cyclictest1419639-21kworker/u16:3+flush-8:010:43:556
1095919991311,2cyclictest1346023-21kworker/u16:0+events_unbound09:25:236
109591999130,13cyclictest0-21swapper/609:28:486
1095911991312,1cyclictest0-21swapper/412:37:024
1095911991312,1cyclictest0-21swapper/411:53:124
1095911991312,1cyclictest0-21swapper/411:13:004
1095911991312,1cyclictest0-21swapper/410:45:064
1095911991312,1cyclictest0-21swapper/410:23:494
1095911991312,1cyclictest0-21swapper/410:23:494
1095911991312,1cyclictest0-21swapper/409:48:494
1095911991310,3cyclictest1505161-21kworker/u16:0+flush-8:010:53:454
1095911991310,3cyclictest1419639-21kworker/u16:3+flush-8:009:54:094
109591199130,13cyclictest0-21swapper/412:01:244
109591199130,13cyclictest0-21swapper/411:01:204
109591199130,13cyclictest0-21swapper/410:11:404
109592299128,3cyclictest5965-21gmain11:39:177
109592299128,3cyclictest1302-21snmpd09:59:167
109592299128,3cyclictest1302-21snmpd07:11:087
109592299120,2cyclictest1482011-21ssh10:08:547
109592299120,2cyclictest1168230-21latency_hist07:43:407
109592299120,10cyclictest1235378-21ntpq08:14:057
1095919991210,2cyclictest1118287-21kworker/u16:5+events_unbound07:39:296
109591199120,1cyclictest0-21swapper/408:03:394
109591199120,1cyclictest0-21swapper/407:20:554
109592299118,2cyclictest1302-21snmpd11:48:497
109592299118,2cyclictest1302-21snmpd11:43:467
109592299118,2cyclictest0-21swapper/711:09:057
109592299117,3cyclictest1302-21snmpd11:58:527
109592299114,6cyclictest1333668-21diskmemload10:28:577
109592299113,6cyclictest6233-21gvfs-afc-volume10:39:017
109592299110,10cyclictest1305921-21irqcore08:53:577
109591999119,2cyclictest1505161-21kworker/u16:0+events_unbound10:40:576
109591999119,2cyclictest1294376-21kworker/u16:0+flush-8:008:46:446
109591999117,3cyclictest1702908-21cat11:38:556
1095911991110,1cyclictest0-21swapper/409:41:434
1095911991110,1cyclictest0-21swapper/409:25:294
1095911991110,1cyclictest0-21swapper/409:06:054
1095911991110,1cyclictest0-21swapper/409:06:054
1095911991110,1cyclictest0-21swapper/409:02:274
1095911991110,1cyclictest0-21swapper/408:14:414
1095911991110,1cyclictest0-21swapper/408:11:324
1095911991110,1cyclictest0-21swapper/407:28:204
109592299109,0cyclictest0-21swapper/710:54:087
109592299107,2cyclictest1302-21snmpd12:37:517
109592299105,5cyclictest6233-21gvfs-afc-volume12:14:117
1095922991010,0cyclictest0-21swapper/708:26:487
109592299100,1cyclictest1809871-21ssh12:19:427
109591199109,1cyclictest0-21swapper/410:07:064
109591199109,1cyclictest0-21swapper/408:44:204
109591199109,1cyclictest0-21swapper/408:08:234
109591199109,1cyclictest0-21swapper/407:49:564
109591199109,1cyclictest0-21swapper/407:15:054
109591199109,1cyclictest0-21swapper/407:09:154
109591199107,2cyclictest6329-21evolution-calen07:56:214
109591199107,2cyclictest1118287-21kworker/u16:5+flush-8:008:39:064
10959119996,2cyclictest0-21swapper/411:38:594
10959119994,4cyclictest1456886-21cpu09:58:514
10959119984,3cyclictest1672685-21kthreadcore11:24:014
10959119984,3cyclictest1168974-21df07:43:534
10959119984,3cyclictest1156144-21cut07:34:014
10959119984,3cyclictest1156144-21cut07:34:014
10959119980,2cyclictest0-21swapper/409:13:584
10959119972,4cyclictest1305503-21fschecks_time08:53:554
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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