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2026-01-05 - 10:40
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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
Characteristics of all highest latencies:
System rackeslot2.osadl.org (updated Mon Jan 05, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122192321000,2sleep20-21swapper/221:28:142
14036452700,1sleep10-21swapper/123:08:161
12835492570,1sleep01191439-21diskmemload22:03:110
15476322320,1sleep10-21swapper/100:28:201
1043639993024,2cyclictest134050irq/121-eno100:00:021
1043640992421,1cyclictest0-21swapper/200:00:012
1043639992418,2cyclictest134050irq/121-eno100:20:021
1043640992220,1cyclictest0-21swapper/222:40:022
1043640992214,1cyclictest0-21swapper/223:00:012
1043639992219,2cyclictest1361225-21apt-key22:45:011
1043638992213,5cyclictest1269406-21kthreadcore21:53:160
1043638992212,5cyclictest0-21swapper/023:05:010
2902298210,6rtkit-daemon1191439-21diskmemload22:30:300
2902298210,3rtkit-daemon257-21systemd-journal21:55:450
1043639992118,2cyclictest1290-21dbus-daemon22:20:021
1043639992118,2cyclictest1173318-21wc20:55:011
1043638992118,2cyclictest1296-21polkitd19:15:020
104363899210,7cyclictest1064570-21apt-get19:28:100
104363899210,16cyclictest1191439-21diskmemload21:20:170
104363899210,16cyclictest0-21swapper/021:12:190
2902298200,5rtkit-daemon0-21swapper/019:23:560
1043640992017,1cyclictest0-21swapper/223:40:012
1043640992017,1cyclictest0-21swapper/221:45:012
1043640992017,1cyclictest0-21swapper/220:30:462
1043640992017,1cyclictest0-21swapper/220:25:002
1043640992017,1cyclictest0-21swapper/219:15:012
1043640992011,2cyclictest0-21swapper/222:17:002
104363899209,6cyclictest0-21swapper/000:20:010
1043638992015,1cyclictest0-21swapper/023:53:400
1043638992014,5cyclictest1417817-21df_inode23:18:090
1043638992010,9cyclictest1370522-21true22:50:010
1043638992010,5cyclictest0-21swapper/022:08:130
1043640991916,1cyclictest0-21swapper/223:23:092
1043640991916,1cyclictest0-21swapper/222:33:152
1043640991916,1cyclictest0-21swapper/222:13:102
1043640991916,1cyclictest0-21swapper/220:03:152
1043640991916,1cyclictest0-21swapper/200:38:172
1043640991916,1cyclictest0-21swapper/200:28:082
1043640991915,2cyclictest0-21swapper/221:08:192
1043639991916,2cyclictest3649415-1atop23:00:011
1043639991916,2cyclictest1296-21polkitd19:40:001
1043639991916,2cyclictest1296-21polkitd19:40:001
1043639991916,2cyclictest1191703-21latency_hist21:10:011
1043639991915,1cyclictest134050irq/121-eno121:31:381
1043639991910,4cyclictest0-21swapper/121:23:171
104363899198,6cyclictest0-21swapper/023:33:130
104363899198,6cyclictest0-21swapper/021:43:070
104363899198,4cyclictest1325449-21kworker/u16:1-rpciod00:31:000
1043638991916,2cyclictest1313-21gmain19:40:000
1043638991916,2cyclictest1313-21gmain19:40:000
1043638991913,5cyclictest1043636-21cyclictest00:28:170
2649091180,3phc2sys0-21swapper/323:51:163
2649091180,3phc2sys0-21swapper/323:25:553
13343292180,3sleep01334331-21turbostat.cron22:30:000
12184652180,2sleep30-21swapper/321:25:023
1043640991816,1cyclictest0-21swapper/222:53:142
1043640991816,1cyclictest0-21swapper/220:43:162
1043640991816,1cyclictest0-21swapper/220:28:162
1043640991815,1cyclictest0-21swapper/223:33:132
1043640991815,1cyclictest0-21swapper/223:28:112
1043640991815,1cyclictest0-21swapper/222:38:142
1043640991815,1cyclictest0-21swapper/222:23:152
1043640991815,1cyclictest0-21swapper/222:08:132
1043640991815,1cyclictest0-21swapper/221:58:152
1043640991815,1cyclictest0-21swapper/221:48:152
1043640991815,1cyclictest0-21swapper/221:13:132
1043640991815,1cyclictest0-21swapper/220:53:152
1043640991815,1cyclictest0-21swapper/219:33:092
1043640991815,1cyclictest0-21swapper/219:23:192
1043640991815,1cyclictest0-21swapper/219:18:162
1043640991815,1cyclictest0-21swapper/200:33:172
1043640991815,1cyclictest0-21swapper/200:13:112
1043639991815,2cyclictest1426786-21fschecks_count23:23:121
1043639991815,2cyclictest1397115-21turbostat.cron23:05:011
1043639991815,2cyclictest1267142-21kthreadcore21:53:151
1043639991815,2cyclictest1088195-21dump-pmu-power19:45:001
1043639991815,2cyclictest1063988-21cron19:25:011
104363899189,5cyclictest1191728-21latency_hist21:10:020
1043638991815,2cyclictest1179396-21perf21:00:010
1043638991815,2cyclictest1123938-21mailstats20:13:210
1043638991811,2cyclictest1070242-21kworker/u16:1+xprtiod21:48:060
2649091170,8phc2sys0-21swapper/300:22:503
2649091170,4phc2sys0-21swapper/300:12:053
2649091170,3phc2sys0-21swapper/300:04:423
2649091170,2phc2sys0-21swapper/300:29:273
1043640991715,1cyclictest0-21swapper/221:53:102
1043640991715,1cyclictest0-21swapper/221:38:092
1043640991715,1cyclictest0-21swapper/221:03:162
1043640991715,1cyclictest0-21swapper/220:58:142
1043640991715,1cyclictest0-21swapper/220:18:122
1043640991715,1cyclictest0-21swapper/220:08:152
1043640991714,1cyclictest0-21swapper/223:53:082
1043640991714,1cyclictest0-21swapper/223:18:142
1043640991714,1cyclictest0-21swapper/223:13:192
1043640991714,1cyclictest0-21swapper/223:08:172
1043640991714,1cyclictest0-21swapper/222:30:002
1043640991714,1cyclictest0-21swapper/222:03:132
1043640991714,1cyclictest0-21swapper/221:23:152
1043640991714,1cyclictest0-21swapper/221:18:152
1043640991714,1cyclictest0-21swapper/219:55:012
1043640991714,1cyclictest0-21swapper/219:43:162
1043640991714,1cyclictest0-21swapper/200:23:162
1043640991714,1cyclictest0-21swapper/200:03:162
1043640991713,2cyclictest0-21swapper/200:08:142
1043640991712,3cyclictest0-21swapper/221:33:072
1043639991714,2cyclictest1516781-21irqcore00:13:121
1043639991714,2cyclictest1504510-21cut00:05:011
1043639991714,2cyclictest1303437-21kthreadcore22:13:161
1043639991714,2cyclictest1298594-21latency_hist22:10:011
1043639991714,2cyclictest1050656-21kthreadcore19:15:021
1043639991714,2cyclictest1043636-21cyclictest23:35:021
1043639991714,2cyclictest0-21swapper/121:15:001
1043639991713,3cyclictest1540153-21cron00:25:001
1043639991713,3cyclictest1274164-21aten_repower_fr21:58:081
1043639991713,3cyclictest1238612-21tr21:38:101
1043639991710,3cyclictest1506704-21/usr/sbin/munin00:08:151
104363899179,7cyclictest0-21swapper/000:38:090
104363899179,4cyclictest1220526-21/usr/sbin/munin21:28:150
104363899179,3cyclictest1495626-21kworker/u16:3+events_unbound00:07:440
104363899177,5cyclictest0-21swapper/023:47:420
104363899177,5cyclictest0-21swapper/023:47:420
104363899176,7cyclictest1352592-21kworker/u16:2+xprtiod23:13:380
104363899174,8cyclictest0-21swapper/023:38:210
104363899173,2cyclictest191rcu_preempt22:38:160
1043638991714,2cyclictest1355236-21head22:43:130
1043638991714,2cyclictest1169134-21kernelversion20:53:140
1043638991713,1cyclictest501rcuop/222:23:050
104363899170,6cyclictest1442002-21munin-run23:30:020
2649091161,2phc2sys0-21swapper/322:00:593
2649091160,3phc2sys0-21swapper/323:23:143
2649091160,2phc2sys0-21swapper/323:00:493
2649091160,2phc2sys0-21swapper/321:45:493
1043640991614,1cyclictest0-21swapper/223:40:032
1043640991614,1cyclictest0-21swapper/222:48:162
1043640991614,1cyclictest0-21swapper/220:13:172
1043640991613,1cyclictest0-21swapper/223:48:142
1043640991613,1cyclictest0-21swapper/223:48:142
1043640991613,1cyclictest0-21swapper/220:38:152
1043640991613,1cyclictest0-21swapper/219:58:172
1043640991613,1cyclictest0-21swapper/219:28:172
1043640991612,2cyclictest0-21swapper/223:03:092
1043640991612,2cyclictest0-21swapper/200:17:332
1043639991613,2cyclictest29021-21rtkit-daemon22:25:411
1043639991613,2cyclictest1484579-21latency23:53:151
1043639991613,2cyclictest1290-21dbus-daemon23:30:021
1043639991613,2cyclictest1206206-21kthreadcore21:18:151
1043639991613,2cyclictest1155213-21sendmail20:40:001
1043639991613,2cyclictest1119690-21gltestperf20:13:131
1043639991613,2cyclictest1064921-21cstates19:28:121
1043639991613,2cyclictest0-21swapper/100:35:011
1043639991612,3cyclictest1284297-21kthreadcore22:03:141
1043639991612,3cyclictest1192079-21kworker/u16:0+nfsiod21:29:431
104363899169,1cyclictest601rcuop/322:19:490
104363899168,4cyclictest1231279-21kthreadcore21:33:140
104363899168,4cyclictest0-21swapper/023:58:150
104363899167,5cyclictest0-21swapper/022:54:450
104363899164,7cyclictest1306159-21awk22:13:230
1043638991613,2cyclictest1327-21in:imuxsock20:05:020
1043638991613,2cyclictest1185648-21systemd-run21:05:010
1043638991612,2cyclictest1209256-21perf21:20:000
104363899161,11cyclictest1191439-21diskmemload00:22:300
104363899160,11cyclictest1166596-21sed20:48:160
2649091150,3phc2sys0-21swapper/323:49:383
2649091150,3phc2sys0-21swapper/323:49:383
2649091150,3phc2sys0-21swapper/321:29:423
2649091150,1phc2sys0-21swapper/323:19:023
1043640991512,1cyclictest0-21swapper/220:50:012
1043640991512,1cyclictest0-21swapper/219:38:182
1043640991512,1cyclictest0-21swapper/219:38:182
104363999158,3cyclictest1467386-21unixbench-2d23:43:221
104363999151,9cyclictest1167321-21idleruntime-cro20:50:011
1043639991514,1cyclictest0-21swapper/121:42:591
1043639991512,2cyclictest28938-21cron22:20:031
1043639991512,2cyclictest1453676-21fschecks_time23:38:101
1043639991512,2cyclictest1352592-21kworker/u16:2-rpciod22:48:151
1043639991512,2cyclictest1118438-21dump-pmu-power20:10:011
1043639991512,2cyclictest1089023-21cpuspeed_turbos19:48:071
1043639991511,3cyclictest1346485-21irqcore22:38:141
1043639991511,3cyclictest1325449-21kworker/u16:1+nfsiod00:38:101
1043639991511,2cyclictest0-21swapper/120:25:011
104363899158,1cyclictest601rcuop/323:07:220
104363899157,6cyclictest1127163-21tr20:18:170
104363899157,2cyclictest0-21swapper/022:59:580
104363899156,5cyclictest0-21swapper/020:33:170
104363899156,4cyclictest501rcuop/200:00:130
104363899153,7cyclictest1100995-21aten2.4-expect19:58:110
1043638991513,1cyclictest16-21ksoftirqd/023:41:280
1043638991512,2cyclictest0-21swapper/020:40:000
1043638991511,1cyclictest191rcu_preempt23:21:010
104363899150,6cyclictest1136847-21unin-run20:25:000
104363899150,1cyclictest1113321-21cstates20:08:090
2649091141,2phc2sys0-21swapper/323:33:123
2649091140,2phc2sys0-21swapper/323:07:233
2649091140,2phc2sys0-21swapper/322:25:283
2649091140,2phc2sys0-21swapper/322:17:183
104363999145,4cyclictest0-21swapper/123:50:001
104363999145,4cyclictest0-21swapper/123:50:001
1043639991411,2cyclictest1419337-21kthreadcore23:18:151
1043639991411,2cyclictest1373332-21gltestperf22:53:091
1043639991411,2cyclictest1326-21systemd-logind21:05:011
1043639991411,2cyclictest1256467-21cpuspeed21:48:081
1043639991411,2cyclictest1-21systemd23:10:451
1043639991411,2cyclictest1159688-21kthreadcore20:43:161
1043639991411,2cyclictest1139634-21kthreadcore20:28:151
1043639991411,2cyclictest1109775-21kthreadcore20:03:161
1043639991411,2cyclictest1095575-21head19:53:161
1043639991411,2cyclictest1073499-21kthreadcore19:33:151
104363899148,5cyclictest1082811-21tail19:43:090
104363899146,4cyclictest0-21swapper/021:38:080
104363899145,5cyclictest0-21swapper/020:26:120
104363899144,4cyclictest1100234-21sshd19:54:450
1043638991411,2cyclictest1071291-21head19:33:120
1043638991410,1cyclictest191rcu_preempt00:10:590
2649091131,1phc2sys0-21swapper/319:14:473
2649091130,2phc2sys0-21swapper/323:56:383
2649091130,2phc2sys0-21swapper/322:43:313
2649091130,2phc2sys0-21swapper/321:58:103
2649091130,2phc2sys0-21swapper/320:28:253
2649091130,2phc2sys0-21swapper/300:34:503
2649091130,2phc2sys0-21swapper/300:05:113
2649091130,1phc2sys0-21swapper/319:59:433
14513982130,2sleep30-21swapper/323:35:443
1043640991310,1cyclictest0-21swapper/219:48:122
1043639991310,2cyclictest1339671-21kthreadcore22:33:151
1043639991310,2cyclictest1175579-21kthreadcore20:58:141
1043639991310,2cyclictest1146184-21kthreadcore20:33:161
1043639991310,2cyclictest1128060-21tr20:18:181
1043639991310,2cyclictest1102142-21tr19:58:171
1043639991310,2cyclictest1053646-21irqrtprio19:18:151
104363899137,5cyclictest0-21swapper/019:48:070
104363899134,5cyclictest0-21swapper/019:16:390
1043638991310,2cyclictest1155734-21/usr/sbin/munin20:43:140
2649091126,2phc2sys0-21swapper/300:16:083
2649091121,2phc2sys0-21swapper/321:15:023
2649091120,2phc2sys0-21swapper/319:35:353
2649091120,2phc2sys0-21swapper/319:35:353
104363899129,2cyclictest1043643-21true19:10:010
2649091113,2phc2sys0-21swapper/321:16:583
2649091111,3phc2sys0-21swapper/321:33:093
2649091111,2phc2sys0-21swapper/322:45:153
2649091111,2phc2sys0-21swapper/319:18:123
2649091111,1phc2sys0-21swapper/322:20:353
2649091110,4phc2sys0-21swapper/321:08:123
2649091110,3phc2sys0-21swapper/322:53:053
2649091110,3phc2sys0-21swapper/319:28:103
2649091110,2phc2sys0-21swapper/322:56:373
2649091110,2phc2sys0-21swapper/322:30:163
2649091110,2phc2sys0-21swapper/321:41:273
2649091110,2phc2sys0-21swapper/320:23:083
104363999110,5cyclictest1043771-21latency_hist19:10:021
2649091101,2phc2sys0-21swapper/322:06:043
2649091101,2phc2sys0-21swapper/319:08:103
2649091100,2phc2sys0-21swapper/323:40:193
2649091100,2phc2sys0-21swapper/323:14:213
2649091100,2phc2sys0-21swapper/322:35:493
2649091100,2phc2sys0-21swapper/322:11:093
2649091100,2phc2sys0-21swapper/321:52:373
2649091100,2phc2sys0-21swapper/320:38:063
2649091100,2phc2sys0-21swapper/319:53:263
2649091100,2phc2sys0-21swapper/300:35:533
2649091100,1phc2sys0-21swapper/320:58:133
2649091100,1phc2sys0-21swapper/320:07:533
2649091100,1phc2sys0-21swapper/319:32:553
104364099108,1cyclictest0-21swapper/219:10:022
264909191,3phc2sys0-21swapper/320:03:153
264909191,1phc2sys0-21swapper/319:48:053
264909190,3phc2sys0-21swapper/320:18:113
264909190,3phc2sys0-21swapper/319:23:083
264909190,2phc2sys0-21swapper/321:35:303
264909190,2phc2sys0-21swapper/321:03:163
264909190,2phc2sys0-21swapper/320:53:103
264909190,2phc2sys0-21swapper/320:48:043
264909190,2phc2sys0-21swapper/320:43:153
264909190,2phc2sys0-21swapper/320:33:223
264909190,2phc2sys0-21swapper/320:13:143
264909190,2phc2sys0-21swapper/319:40:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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