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2026-07-31 - 19:36
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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 Fri Jul 31, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
131683225319,29sleep70-21swapper/707:07:047
131683225319,29sleep70-21swapper/707:07:047
1317251995149,2cyclictest1505445-21kworker/u16:2+flush-8:009:14:235
1317262994945,3cyclictest125-21kswapd010:17:457
1317256994745,2cyclictest1408683-21kworker/u16:2+flush-8:008:29:076
1317251994745,2cyclictest2047106-21kworker/u16:2+flush-8:012:29:065
1317251994543,2cyclictest1678344-21kworker/u16:3+events_unbound10:04:075
1317256994441,2cyclictest1628257-21kworker/u16:1+flush-8:009:54:066
1317251994442,2cyclictest594422-21kworker/u16:6+events_unbound07:14:065
1317251994438,5cyclictest1727281-21kworker/u16:4+flush-8:010:38:515
131680224434,7sleep50-21swapper/507:06:375
131680224434,7sleep50-21swapper/507:06:375
1317262994342,0cyclictest0-21swapper/707:34:077
1317262994340,2cyclictest1997072-21ntpq12:04:197
1317256994341,2cyclictest1726175-21kworker/u16:2+events_unbound10:19:266
1317256994341,2cyclictest1726175-21kworker/u16:2+events_unbound10:19:266
1317251994341,2cyclictest1408683-21kworker/u16:2+events_unbound08:14:065
1317251994340,2cyclictest1678344-21kworker/u16:3+flush-8:010:09:095
1317256994139,2cyclictest1865511-21kworker/u16:2+flush-8:012:19:026
1317256994139,2cyclictest1326638-21kworker/u16:1+flush-8:007:24:226
1317251994139,2cyclictest1752857-21kworker/u16:1+flush-8:011:34:095
1317251994138,2cyclictest1505445-21kworker/u16:2+events_unbound09:29:225
1317262994037,2cyclictest1646290-21cut09:44:137
1317256994038,2cyclictest1752857-21kworker/u16:1+flush-8:011:34:176
1317251994038,2cyclictest1727281-21kworker/u16:4+events_unbound10:17:565
1317251994038,2cyclictest1641024-21kworker/u16:2+events_unbound09:48:535
1317251993937,2cyclictest1865511-21kworker/u16:2+flush-8:011:28:515
1317251993936,2cyclictest594422-21kworker/u16:6+flush-8:008:24:085
1317251993936,2cyclictest1418638-21kworker/u16:1+flush-8:008:34:065
1317256993836,2cyclictest1525508-21kworker/u16:0+flush-8:009:19:206
1317256993836,2cyclictest1326638-21kworker/u16:1+events_unbound07:14:226
1317256993835,3cyclictest594422-21kworker/u16:6+flush-8:008:48:526
1317256993835,3cyclictest1665912-21kworker/u16:0+flush-8:009:59:176
1317251993836,2cyclictest2033806-21kworker/u16:3+flush-8:012:19:415
1317251993836,2cyclictest1984254-21kworker/u16:0+events_unbound12:04:255
1317251993836,2cyclictest1752857-21kworker/u16:1+flush-8:011:09:145
1317262993736,0cyclictest0-21swapper/708:19:257
1317262993736,0cyclictest0-21swapper/707:39:257
1317262993735,1cyclictest1764481-21ssh10:32:347
1317256993735,2cyclictest1727281-21kworker/u16:4+flush-8:010:18:036
1317256993734,2cyclictest1984254-21kworker/u16:0+flush-8:012:14:076
1317251993735,2cyclictest1727281-21kworker/u16:4+events_unbound10:29:225
1317251993734,2cyclictest356539-21kworker/u16:5+flush-8:007:24:095
1317262993635,0cyclictest0-21swapper/708:54:077
1317262993634,1cyclictest1927469-21ssh11:39:127
1317256993634,2cyclictest1752857-21kworker/u16:1+events_unbound10:39:146
1317256993634,2cyclictest1641024-21kworker/u16:2+events_unbound09:49:056
1317256993634,2cyclictest1525508-21kworker/u16:0+events_unbound09:39:106
1317256993634,2cyclictest1525508-21kworker/u16:0+events_unbound09:39:106
1317256993633,2cyclictest1727281-21kworker/u16:4+flush-8:011:44:256
1317256993633,2cyclictest1418638-21kworker/u16:1+flush-8:007:59:096
1317251993634,2cyclictest1752857-21kworker/u16:1+events_unbound10:54:255
1317251993634,2cyclictest1525508-21kworker/u16:0+flush-8:009:19:225
1317251993634,2cyclictest1505445-21kworker/u16:2+flush-8:009:34:075
1317262993534,0cyclictest0-21swapper/712:12:377
1317262993533,1cyclictest2023080-21ssh12:15:337
1317256993533,2cyclictest1865511-21kworker/u16:2+events_unbound12:09:066
1317256993533,2cyclictest1505445-21kworker/u16:2+flush-8:008:43:526
131673323524,8sleep40-21swapper/407:05:404
131673323524,8sleep40-21swapper/407:05:404
1317262993433,0cyclictest0-21swapper/710:47:097
1317262993430,2cyclictest1407563-21ntpq07:49:217
1317256993431,2cyclictest1665912-21kworker/u16:0+events_unbound10:09:066
1317256993431,2cyclictest1505445-21kworker/u16:2+flush-8:009:28:536
1317251993432,2cyclictest1727281-21kworker/u16:4+flush-8:011:50:425
1317251993432,2cyclictest1727281-21kworker/u16:4+flush-8:010:44:175
1317251993431,2cyclictest1359576-21kworker/u16:0+flush-8:007:49:115
1317262993332,0cyclictest0-21swapper/711:11:137
1317262993330,2cyclictest1565893-21ssh09:12:257
1317256993331,2cyclictest1505445-21kworker/u16:2+events_unbound09:34:156
1317251993331,2cyclictest594422-21kworker/u16:6+flush-8:007:29:105
1317251993331,2cyclictest594422-21kworker/u16:6+flush-8:007:29:105
1317251993331,2cyclictest1752857-21kworker/u16:1+events_unbound11:33:505
1317251993331,2cyclictest1628257-21kworker/u16:1+events_unbound10:01:025
1317251993331,2cyclictest1525508-21kworker/u16:0+events_unbound09:46:015
1317251993329,3cyclictest1752857-21kworker/u16:1+flush-8:012:00:015
131667923323,7sleep60-21swapper/607:04:546
131667923323,7sleep60-21swapper/607:04:546
1317262993231,0cyclictest0-21swapper/709:26:057
1317262993231,0cyclictest0-21swapper/709:20:547
1317262993230,1cyclictest1663730-21ssh09:50:097
1317262993229,2cyclictest1980583-21kthreadcore11:59:127
1317262993229,2cyclictest1675224-21sensors09:54:237
1317256993230,2cyclictest1505445-21kworker/u16:2+events_unbound09:13:546
1317256993229,2cyclictest1408683-21kworker/u16:2+events_unbound08:14:106
1317251993230,2cyclictest1628257-21kworker/u16:1+flush-8:009:56:015
1317251993230,2cyclictest1505445-21kworker/u16:2+flush-8:009:10:375
1317262993130,0cyclictest0-21swapper/710:22:457
1317262993130,0cyclictest0-21swapper/710:22:457
1317256993129,2cyclictest1865511-21kworker/u16:2+flush-8:011:54:416
1317256993129,2cyclictest1641024-21kworker/u16:2+flush-8:009:44:156
1317256993129,2cyclictest1525508-21kworker/u16:0+flush-8:008:54:066
1317251993129,2cyclictest1752857-21kworker/u16:1+flush-8:010:39:425
1317251993127,4cyclictest1727281-21kworker/u16:4+flush-8:011:58:515
18366192300,1chrt1836620-21timerandwakeup10:59:257
18366192300,1chrt1836620-21timerandwakeup10:59:257
1317262993029,0cyclictest0-21swapper/709:30:097
1317262993028,1cyclictest1788894-21ssh10:42:047
1317256993028,2cyclictest1752857-21kworker/u16:1+flush-8:011:24:256
1317256993028,2cyclictest1359576-21kworker/u16:0+flush-8:008:08:516
1317256993027,2cyclictest1752857-21kworker/u16:1+events_unbound10:54:056
1317251993028,2cyclictest1865511-21kworker/u16:2+flush-8:012:14:415
1317251993028,2cyclictest1865511-21kworker/u16:2+flush-8:011:19:135
1317251993028,2cyclictest1752857-21kworker/u16:1+events_unbound12:34:055
1317251993028,2cyclictest1727281-21kworker/u16:4+flush-8:010:53:015
1317251993028,2cyclictest1515415-21kworker/u16:1+flush-8:008:49:175
15770192290,1chrt1577018-21sshd-session09:15:077
1317262992928,0cyclictest0-21swapper/707:29:097
1317262992928,0cyclictest0-21swapper/707:29:097
1317262992925,3cyclictest1695255-21kthreadcore10:04:127
131726299290,27cyclictest1875301-21rm11:16:367
1317256992927,2cyclictest1726175-21kworker/u16:2+flush-8:010:24:546
1317256992927,2cyclictest1665912-21kworker/u16:0+events_unbound10:29:306
1317251992927,2cyclictest1752857-21kworker/u16:1+events_unbound11:14:055
13411122280,1chrt1341078-21cstates07:19:057
1317262992827,0cyclictest0-21swapper/708:13:507
1317262992825,2cyclictest2061454-21ssh12:32:557
1317256992826,2cyclictest1727281-21kworker/u16:4+events_unbound11:49:066
1317256992826,2cyclictest1678344-21kworker/u16:3+flush-8:010:06:266
1317251992826,2cyclictest1865511-21kworker/u16:2+events_unbound11:48:025
1317251992826,2cyclictest1665912-21kworker/u16:0+flush-8:010:24:095
1317262992726,0cyclictest0-21swapper/712:26:127
1317262992726,0cyclictest0-21swapper/710:01:127
1317262992726,0cyclictest0-21swapper/708:03:077
1317262992723,2cyclictest1925945-21ssh11:38:397
1317256992725,2cyclictest594422-21kworker/u16:6+events_unbound07:49:256
1317256992725,2cyclictest1984254-21kworker/u16:0+flush-8:012:01:176
1317256992725,2cyclictest1865511-21kworker/u16:2+events_unbound11:33:266
1317256992725,2cyclictest1752857-21kworker/u16:1+flush-8:011:07:426
1317256992725,2cyclictest1525508-21kworker/u16:0+events_unbound09:27:036
1317251992725,2cyclictest1865511-21kworker/u16:2+flush-8:011:39:015
1317251992725,2cyclictest1752857-21kworker/u16:1+flush-8:010:59:575
1317251992725,2cyclictest1752857-21kworker/u16:1+flush-8:010:59:575
1317251992725,2cyclictest1665912-21kworker/u16:0+events_unbound10:23:015
1317251992725,2cyclictest1665912-21kworker/u16:0+events_unbound10:23:015
1317262992625,0cyclictest0-21swapper/711:56:327
1317256992624,2cyclictest2033806-21kworker/u16:3+events_unbound12:24:236
1317256992624,2cyclictest1752857-21kworker/u16:1+flush-8:010:50:386
1317256992624,2cyclictest1726175-21kworker/u16:2+events_unbound10:34:216
1317256992623,2cyclictest356539-21kworker/u16:5+events_unbound07:08:556
1317251992624,2cyclictest1588832-21kworker/u16:3+events_unbound09:39:425
1317251992624,2cyclictest1588832-21kworker/u16:3+events_unbound09:39:425
1317251992624,2cyclictest1408683-21kworker/u16:2+events_unbound08:29:225
1317251992624,2cyclictest1359576-21kworker/u16:0+events_unbound07:34:065
1317262992524,0cyclictest0-21swapper/711:51:277
1317262992524,0cyclictest0-21swapper/709:40:397
1317262992524,0cyclictest0-21swapper/709:40:397
1317262992523,1cyclictest0-21swapper/710:34:407
1317251992523,2cyclictest1984254-21kworker/u16:0+flush-8:012:13:345
1317251992523,2cyclictest1525508-21kworker/u16:0+flush-8:008:54:145
1317251992523,2cyclictest1418638-21kworker/u16:1+flush-8:007:59:115
1317262992423,0cyclictest0-21swapper/711:06:327
1317262992423,0cyclictest0-21swapper/707:57:197
1317262992420,2cyclictest1522139-21grep08:49:137
1317256992422,2cyclictest1752857-21kworker/u16:1+events_unbound12:29:186
1317256992422,2cyclictest1752857-21kworker/u16:1+events_unbound11:21:506
1317256992422,2cyclictest1564813-21kworker/u16:4+flush-8:009:10:586
1317256992422,2cyclictest1369613-21kworker/u16:3+events_unbound07:39:136
1317251992422,2cyclictest1525508-21kworker/u16:0+events_unbound09:26:245
1317262992322,0cyclictest0-21swapper/712:36:307
1317262992322,0cyclictest0-21swapper/711:25:397
1317262992322,0cyclictest0-21swapper/710:11:177
1317262992322,0cyclictest0-21swapper/709:36:327
1317262992322,0cyclictest0-21swapper/708:41:107
1317262992322,0cyclictest0-21swapper/707:27:107
1317262992321,1cyclictest0-21swapper/710:50:127
1317256992321,2cyclictest594422-21kworker/u16:6+flush-8:008:59:016
1317256992321,2cyclictest1727281-21kworker/u16:4+events_unbound10:44:056
1317256992321,2cyclictest1486096-21kworker/u16:0+events_unbound08:34:106
1317256992321,2cyclictest1418638-21kworker/u16:1+events_unbound08:19:196
1317256992320,2cyclictest1359576-21kworker/u16:0+events_unbound07:54:066
131726299220,20cyclictest1826823-21sh10:58:247
1317256992220,2cyclictest2063561-21kworker/u16:0+events_unbound12:36:286
1317256992220,2cyclictest1752857-21kworker/u16:1+flush-8:011:09:176
1317256992220,2cyclictest1752857-21kworker/u16:1+events_unbound11:15:416
1317256992220,2cyclictest1752857-21kworker/u16:1+events_unbound11:03:146
1317256992220,2cyclictest1752857-21kworker/u16:1+events_unbound11:03:146
1317256992220,2cyclictest1727281-21kworker/u16:4+events_unbound11:42:186
1317251992221,1cyclictest594422-21kworker/u16:6+flush-8:007:19:115
1317251992220,2cyclictest594422-21kworker/u16:6+flush-8:008:44:205
1317251992220,2cyclictest1752857-21kworker/u16:1+events_unbound12:24:425
1317247992219,2cyclictest1628257-21kworker/u16:1+flush-8:009:59:234
1317262992120,0cyclictest0-21swapper/712:21:447
1317262992120,0cyclictest0-21swapper/711:21:237
1317262992115,5cyclictest1340396-21latency_hist07:18:517
1317262992113,6cyclictest648-21systemd-journal07:13:527
1317256992119,2cyclictest1984254-21kworker/u16:0+events_unbound12:04:236
1317251992118,2cyclictest1824624-21kworker/u16:0+events_unbound11:04:035
131724799210,15cyclictest201rcu_preempt12:07:444
1317262992019,0cyclictest0-21swapper/711:46:207
1317262992019,0cyclictest0-21swapper/711:30:567
1317262992019,0cyclictest0-21swapper/708:48:107
1317262992019,0cyclictest0-21swapper/708:32:137
1317262992016,3cyclictest1435713-21grep08:04:167
1317251992018,2cyclictest1369613-21kworker/u16:3+flush-8:007:39:095
1317262991918,0cyclictest0-21swapper/710:26:397
1317262991918,0cyclictest0-21swapper/708:16:177
1317256991917,2cyclictest594422-21kworker/u16:6+events_unbound07:19:056
1317262991817,0cyclictest0-21swapper/708:38:227
1317262991815,2cyclictest1302-21snmpd07:46:107
1317256991816,2cyclictest1369613-21kworker/u16:3+flush-8:007:48:016
1317251991816,2cyclictest1359576-21kworker/u16:0+flush-8:007:44:575
1317256991714,2cyclictest1418638-21kworker/u16:1+flush-8:008:23:536
1317251991715,2cyclictest1418638-21kworker/u16:1+events_unbound08:09:265
1317262991615,0cyclictest0-21swapper/709:03:057
1317256991614,2cyclictest1515415-21kworker/u16:1+flush-8:009:04:166
1317256991613,2cyclictest1515415-21kworker/u16:1+events_unbound08:49:016
1317251991614,2cyclictest594422-21kworker/u16:6+events_unbound07:54:145
1317251991614,2cyclictest1408683-21kworker/u16:2+events_unbound08:04:125
131724799160,16cyclictest0-21swapper/411:36:024
1317256991513,2cyclictest594422-21kworker/u16:6+events_unbound07:36:036
1317256991513,2cyclictest1359576-21kworker/u16:0+flush-8:008:09:116
1317247991514,1cyclictest0-21swapper/411:38:534
1317262991413,0cyclictest0-21swapper/708:26:467
1317256991412,2cyclictest1326638-21kworker/u16:1+flush-8:007:29:056
1317256991412,2cyclictest1326638-21kworker/u16:1+flush-8:007:29:056
131725199140,14cyclictest1325791-21strings07:09:155
1317247991413,1cyclictest0-21swapper/410:59:284
1317247991413,1cyclictest0-21swapper/410:59:284
1317247991413,1cyclictest0-21swapper/410:38:014
1317247991413,1cyclictest0-21swapper/410:13:254
1317247991413,1cyclictest0-21swapper/408:59:104
1317247991413,1cyclictest0-21swapper/408:29:134
131724799140,1cyclictest0-21swapper/412:10:344
131724799140,1cyclictest0-21swapper/411:56:234
131724799140,1cyclictest0-21swapper/410:48:444
131724799140,1cyclictest0-21swapper/410:29:404
131724799140,1cyclictest0-21swapper/409:41:544
131724799140,1cyclictest0-21swapper/409:41:544
131724799140,14cyclictest0-21swapper/409:50:434
131724799140,14cyclictest0-21swapper/409:30:324
131724799140,14cyclictest0-21swapper/407:39:144
1317247991312,1cyclictest0-21swapper/411:19:204
1317247991312,1cyclictest0-21swapper/410:54:344
1317247991312,1cyclictest0-21swapper/410:25:434
1317247991312,1cyclictest0-21swapper/410:06:294
1317247991312,1cyclictest0-21swapper/409:58:364
131724799130,1cyclictest0-21swapper/411:18:514
131724799130,13cyclictest0-21swapper/409:23:084
131724799130,0cyclictest0-21swapper/411:33:124
1317262991212,0cyclictest0-21swapper/709:08:097
1317247991211,1cyclictest0-21swapper/412:14:214
1317247991211,1cyclictest0-21swapper/410:13:544
1317247991211,1cyclictest0-21swapper/409:26:364
1317247991211,1cyclictest0-21swapper/409:13:314
1317247991211,1cyclictest0-21swapper/408:57:074
1317247991211,1cyclictest0-21swapper/407:17:474
131724799120,12cyclictest0-21swapper/408:12:114
131725199119,2cyclictest1544288-21kworker/u16:3+flush-8:009:04:105
131725199119,2cyclictest1544288-21kworker/u16:3+flush-8:008:59:525
131724799119,2cyclictest2033806-21kworker/u16:3+flush-8:012:34:154
1317247991110,1cyclictest0-21swapper/412:28:514
1317247991110,1cyclictest0-21swapper/411:04:214
1317247991110,1cyclictest0-21swapper/410:49:414
1317247991110,1cyclictest0-21swapper/410:43:514
1317247991110,1cyclictest0-21swapper/408:47:204
1317247991110,1cyclictest0-21swapper/408:36:284
1317247991110,1cyclictest0-21swapper/408:19:544
131724799110,1cyclictest0-21swapper/407:53:254
131724799110,11cyclictest0-21swapper/408:27:104
131724799110,11cyclictest0-21swapper/407:48:414
131725199108,2cyclictest594422-21kworker/u16:6+flush-8:008:39:155
131724799109,1cyclictest0-21swapper/412:22:524
131724799109,1cyclictest0-21swapper/409:46:474
131724799109,1cyclictest0-21swapper/409:38:254
131724799109,1cyclictest0-21swapper/407:24:344
131724799100,10cyclictest0-21swapper/408:05:244
13172479998,1cyclictest0-21swapper/411:53:324
13172479998,1cyclictest0-21swapper/409:18:334
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13172479960,3cyclictest1727281-21kworker/u16:4+nfsiod10:21:584
13172479960,2cyclictest1350125-21turbostat07:23:514
13172479960,1cyclictest0-21swapper/412:26:364
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13172479960,1cyclictest0-21swapper/407:31:294
13172479960,1cyclictest0-21swapper/407:31:294
13172479950,4cyclictest1408874-21chrt07:54:034
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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