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2026-07-12 - 13:07
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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 the highest latencies:
System rack1slot1.osadl.org (updated Sun Jul 12, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110532236159,61sleep20-21swapper/219:06:592
109402211150,23sleep30-21swapper/319:05:303
112282203167,23sleep10-21swapper/119:09:151
110512202150,22sleep00-21swapper/019:06:560
142302170,0sleep10-21swapper/120:20:151
142302170,0sleep10-21swapper/120:20:151
11392991413,1cyclictest28-21ksoftirqd/200:22:192
1138599130,12cyclictest0-21swapper/121:55:171
11392991211,1cyclictest28-21ksoftirqd/223:14:592
11392991211,1cyclictest28-21ksoftirqd/221:55:012
11392991211,1cyclictest28-21ksoftirqd/200:35:132
11374991210,1cyclictest9-21ksoftirqd/023:59:590
11374991210,1cyclictest9-21ksoftirqd/021:25:100
1140299110,1cyclictest0-21swapper/319:50:113
1139299119,1cyclictest28-21ksoftirqd/223:55:002
11392991111,0cyclictest0-21swapper/222:37:482
11392991110,1cyclictest28-21ksoftirqd/223:00:122
11392991110,1cyclictest28-21ksoftirqd/222:29:592
1137499119,1cyclictest9-21ksoftirqd/022:45:140
1137499119,1cyclictest9-21ksoftirqd/022:29:590
1137499119,1cyclictest9-21ksoftirqd/019:45:000
1139299109,1cyclictest28-21ksoftirqd/223:45:152
1139299109,1cyclictest28-21ksoftirqd/223:40:132
1139299109,1cyclictest28-21ksoftirqd/223:30:112
1139299109,1cyclictest28-21ksoftirqd/222:18:342
1139299109,1cyclictest28-21ksoftirqd/221:15:142
1139299109,1cyclictest28-21ksoftirqd/220:10:012
1139299108,1cyclictest28-21ksoftirqd/200:00:112
11392991010,0cyclictest28-21ksoftirqd/221:40:152
1137499109,1cyclictest9-21ksoftirqd/022:05:150
1137499109,1cyclictest9-21ksoftirqd/019:15:010
1137499109,1cyclictest9-21ksoftirqd/019:15:000
1137499109,1cyclictest9-21ksoftirqd/000:05:150
1137499108,1cyclictest9-21ksoftirqd/021:25:000
1137499108,1cyclictest9-21ksoftirqd/020:55:220
1137499108,1cyclictest9-21ksoftirqd/000:25:150
1137499104,5cyclictest2331-21perf22:34:590
114029990,5cyclictest4634-21diskmemload22:51:173
113929999,0cyclictest28-21ksoftirqd/221:30:142
113929998,1cyclictest28-21ksoftirqd/223:20:132
113929998,1cyclictest28-21ksoftirqd/222:55:142
113929998,1cyclictest28-21ksoftirqd/222:40:182
113929998,1cyclictest28-21ksoftirqd/222:20:132
113929998,1cyclictest28-21ksoftirqd/222:00:152
113929998,1cyclictest28-21ksoftirqd/221:45:132
113929998,1cyclictest28-21ksoftirqd/200:30:112
113929992,4cyclictest6746-21apt-get23:25:112
113929990,8cyclictest4634-21diskmemload23:05:142
113859995,4cyclictest203-21jbd2/sda2-822:50:291
113749999,0cyclictest9-21ksoftirqd/021:45:120
113749998,1cyclictest9-21ksoftirqd/023:28:250
113749995,2cyclictest4634-21diskmemload23:37:050
114029980,5cyclictest0-21swapper/322:30:103
114029980,4cyclictest0-21swapper/300:15:103
114029980,4cyclictest0-21swapper/300:15:103
114029980,1cyclictest0-21swapper/300:35:233
113929988,0cyclictest28-21ksoftirqd/222:05:202
113929988,0cyclictest28-21ksoftirqd/221:35:122
113929987,1cyclictest28-21ksoftirqd/223:35:212
113929987,1cyclictest28-21ksoftirqd/222:10:102
113929987,1cyclictest28-21ksoftirqd/220:39:592
113929987,1cyclictest28-21ksoftirqd/220:30:142
113929987,1cyclictest28-21ksoftirqd/219:20:162
113929987,1cyclictest28-21ksoftirqd/219:10:142
113929987,1cyclictest28-21ksoftirqd/200:25:192
113929986,1cyclictest61650irq/122-eno123:55:162
113929982,6cyclictest4634-21diskmemload23:15:232
113929980,5cyclictest1732-21runrttasks22:33:252
113749988,0cyclictest9-21ksoftirqd/023:05:140
113749988,0cyclictest9-21ksoftirqd/023:00:110
113749988,0cyclictest9-21ksoftirqd/021:35:110
113749988,0cyclictest9-21ksoftirqd/021:30:200
113749988,0cyclictest9-21ksoftirqd/000:20:140
113749987,1cyclictest9-21ksoftirqd/023:15:210
113749987,1cyclictest9-21ksoftirqd/020:15:000
113749987,1cyclictest4634-21diskmemload22:19:420
113749986,1cyclictest22091-21apt-get00:30:120
113749980,4cyclictest8757-21sort20:10:010
521270,0sleep10-21swapper/121:46:291
23415270,1sleep121-21ksoftirqd/120:40:121
17492270,1sleep10-21swapper/122:10:131
114029976,1cyclictest35-21ksoftirqd/300:35:003
114029976,1cyclictest35-21ksoftirqd/300:04:593
114029976,1cyclictest30325-21ssh22:27:493
114029975,1cyclictest8330-21ssh22:41:223
114029975,1cyclictest31432-21ssh23:57:503
114029975,1cyclictest2298-21ssh23:18:303
114029972,4cyclictest24646-21apt-get19:35:013
114029972,3cyclictest17897-21apt-get23:40:113
114029972,3cyclictest17213-21latency_hist19:20:013
114029970,6cyclictest0-21swapper/320:32:563
114029970,5cyclictest17416-21perf23:40:003
114029970,4cyclictest6423-21gpgv20:05:003
114029970,0cyclictest0-21swapper/320:35:113
113929976,1cyclictest7668-21ssh21:13:432
113929976,1cyclictest61650irq/122-eno122:53:192
113929976,1cyclictest61650irq/122-eno119:50:192
113929976,1cyclictest28-21ksoftirqd/220:55:162
113929976,1cyclictest28-21ksoftirqd/220:45:182
113929976,1cyclictest28-21ksoftirqd/219:40:172
113929976,1cyclictest28-21ksoftirqd/219:35:182
113929976,1cyclictest28-21ksoftirqd/219:30:152
113929975,1cyclictest61650irq/122-eno100:10:202
113929975,1cyclictest28-21ksoftirqd/220:20:142
113929975,1cyclictest28-21ksoftirqd/220:20:142
113929970,4cyclictest0-21swapper/221:20:112
113859970,6cyclictest0-21swapper/122:35:151
113859970,6cyclictest0-21swapper/120:05:151
113859970,4cyclictest0-21swapper/121:41:171
113749977,0cyclictest9-21ksoftirqd/000:15:120
113749977,0cyclictest9-21ksoftirqd/000:15:120
113749976,1cyclictest9-21ksoftirqd/020:35:110
113749976,1cyclictest561-21nscd21:51:540
113749976,1cyclictest26627-1kworker/u9:222:23:080
113749976,1cyclictest14643-21ntpq22:50:190
113749975,1cyclictest9-21ksoftirqd/020:50:000
113749975,1cyclictest9-21ksoftirqd/019:25:170
113749973,3cyclictest4050-21/usr/sbin/munin20:00:120
114029965,1cyclictest8995-21ssh23:26:463
114029965,1cyclictest8491-21ssh21:15:123
114029965,1cyclictest5758-21ssh00:06:123
114029965,1cyclictest5488-21ssh23:22:063
114029965,1cyclictest4677-21ssh22:36:193
114029965,1cyclictest30079-21ssh23:10:313
114029965,1cyclictest27909-21ssh23:09:533
114029965,1cyclictest27820-21ssh23:52:553
114029965,1cyclictest27134-21ssh21:40:043
114029965,1cyclictest25349-21ssh21:35:273
114029965,1cyclictest23818-21ssh23:46:473
114029965,1cyclictest23485-21ssh22:19:093
114029965,1cyclictest23380-21ssh23:02:503
114029965,1cyclictest22469-21ssh21:32:423
114029965,1cyclictest21421-21ssh00:29:283
114029965,1cyclictest19049-21ssh22:55:493
114029965,1cyclictest15097-21ssh22:05:513
114029965,1cyclictest12762-21ssh22:48:473
114029965,1cyclictest12498-21ssh22:03:543
114029965,1cyclictest1075-21ssh21:48:023
114029964,1cyclictest4634-21diskmemload21:12:123
114029963,1cyclictest240-21systemd-journal21:03:383
114029963,1cyclictest16055-21/usr/sbin/munin21:25:193
114029961,4cyclictest11576-21apt-get19:10:123
114029961,3cyclictest4634-21diskmemload21:24:053
114029960,5cyclictest0-21swapper/321:53:353
114029960,4cyclictest0-21swapper/322:20:123
114029960,2cyclictest7657-21ssh21:55:593
114029960,2cyclictest0-21swapper/320:25:123
114029960,2cyclictest0-21swapper/319:30:143
114029960,1cyclictest0-21swapper/300:10:123
113929966,0cyclictest61650irq/122-eno122:45:172
113929966,0cyclictest61650irq/122-eno121:59:212
113929966,0cyclictest61650irq/122-eno121:25:132
113929966,0cyclictest61650irq/122-eno121:03:282
113929966,0cyclictest61650irq/122-eno120:00:142
113929966,0cyclictest61650irq/122-eno119:45:142
113929965,1cyclictest29004-21ntpq20:50:182
113929965,1cyclictest28-21ksoftirqd/221:05:162
113929965,1cyclictest28-21ksoftirqd/220:25:152
113929965,1cyclictest28-21ksoftirqd/219:25:152
113929965,1cyclictest28-21ksoftirqd/200:05:072
113929964,1cyclictest28-21ksoftirqd/200:15:142
113929964,1cyclictest28-21ksoftirqd/200:15:142
113929960,1cyclictest0-21swapper/220:40:122
113859966,0cyclictest0-21swapper/122:19:551
113859965,1cyclictest0-21swapper/123:59:391
113859963,2cyclictest0-21swapper/121:00:111
113859962,2cyclictest0-21swapper/122:05:171
113859962,1cyclictest0-21swapper/100:30:151
113859961,1cyclictest0-21swapper/123:45:121
113859960,6cyclictest0-21swapper/122:42:421
113859960,5cyclictest0-21swapper/121:35:161
113859960,4cyclictest0-21swapper/123:51:231
113859960,3cyclictest0-21swapper/100:39:261
113859960,2cyclictest0-21swapper/120:35:121
113859960,2cyclictest0-21swapper/100:15:101
113859960,2cyclictest0-21swapper/100:15:101
113859960,0cyclictest0-21swapper/123:24:451
113749966,0cyclictest0-21swapper/022:00:020
113749965,1cyclictest9-21ksoftirqd/021:40:140
113749965,1cyclictest8971-21ssh00:10:200
113749965,1cyclictest5149-21ssh23:21:060
113749965,1cyclictest31024-21ssh23:13:230
113749965,1cyclictest26096-21cat23:50:160
113749965,1cyclictest25809-21telnet00:35:130
113749965,1cyclictest2550-21ssh22:35:090
113749965,1cyclictest23494-21ssh23:45:480
113749965,1cyclictest1076-21sshd19:50:350
113749965,1cyclictest10412-21ssh21:15:430
113749964,1cyclictest9-21ksoftirqd/020:40:110
113749964,1cyclictest32471-21/usr/sbin/munin00:00:130
113749964,1cyclictest27876-21nscd20:20:180
113749964,1cyclictest27876-21nscd20:20:170
113749963,1cyclictest240-21systemd-journal20:49:590
113749963,1cyclictest240-21systemd-journal20:00:000
113749962,2cyclictest4634-21diskmemload21:55:220
113749961,4cyclictest4634-21diskmemload22:10:090
113749961,2cyclictest0-21swapper/023:40:110
113749960,5cyclictest0-21swapper/021:03:280
113749960,2cyclictest0-21swapper/022:40:070
114029954,1cyclictest19224-21ssh22:12:203
114029954,1cyclictest12601-21ssh23:31:373
114029953,1cyclictest8723-21sh20:10:013
114029953,1cyclictest4634-21diskmemload00:21:453
114029953,1cyclictest35-21ksoftirqd/320:59:093
114029953,1cyclictest35-21ksoftirqd/320:16:323
114029953,1cyclictest27240-21grep19:40:123
114029953,1cyclictest20047-21cpuspeed_turbos19:25:153
114029953,1cyclictest13776-21cut20:20:133
114029953,1cyclictest13776-21cut20:20:133
114029951,2cyclictest0-21swapper/320:10:113
114029950,4cyclictest29918-21cut19:45:143
114029950,3cyclictest240-21systemd-journal20:00:003
114029950,3cyclictest0-21swapper/320:50:123
114029950,2cyclictest0-21swapper/320:45:113
113929955,0cyclictest61650irq/122-eno120:15:132
113929955,0cyclictest61650irq/122-eno119:15:132
113929954,1cyclictest61650irq/122-eno119:55:112
113929954,1cyclictest28-21ksoftirqd/220:10:122
113859955,0cyclictest0-21swapper/123:34:181
113859955,0cyclictest0-21swapper/123:27:051
113859955,0cyclictest0-21swapper/121:22:511
113859952,2cyclictest0-21swapper/122:46:301
113859951,3cyclictest0-21swapper/100:25:151
113859951,2cyclictest0-21swapper/123:15:181
113859951,1cyclictest0-21swapper/100:03:331
113859950,5cyclictest0-21swapper/123:01:391
113859950,5cyclictest0-21swapper/122:28:061
113859950,5cyclictest0-21swapper/120:02:341
113859950,5cyclictest0-21swapper/119:51:211
113859950,5cyclictest0-21swapper/119:40:101
113859950,5cyclictest0-21swapper/119:28:551
113859950,5cyclictest0-21swapper/100:20:021
113859950,3cyclictest0-21swapper/123:44:521
113859950,3cyclictest0-21swapper/123:38:381
113859950,3cyclictest0-21swapper/121:25:281
113859950,3cyclictest0-21swapper/121:11:421
113859950,3cyclictest0-21swapper/120:25:121
113859950,3cyclictest0-21swapper/100:11:591
113859950,2cyclictest0-21swapper/123:11:471
113859950,2cyclictest0-21swapper/123:06:171
113859950,1cyclictest0-21swapper/122:56:171
113859950,0cyclictest0-21swapper/122:33:521
113749954,1cyclictest9-21ksoftirqd/019:45:130
113749954,1cyclictest9-21ksoftirqd/019:30:140
113749954,1cyclictest9-21ksoftirqd/019:20:070
113749954,1cyclictest10385-21apt-get23:30:090
113749952,1cyclictest240-21systemd-journal21:08:070
113749952,1cyclictest240-21systemd-journal20:20:010
113749951,1cyclictest18178-21latency_hist20:30:010
113749950,5cyclictest0-21swapper/021:10:160
113749950,3cyclictest17113-21apt-get22:55:120
113749950,0cyclictest0-21swapper/020:32:260
114029942,1cyclictest693-21runrttasks20:40:043
114029942,1cyclictest0-21swapper/321:05:163
114029940,0cyclictest0-21swapper/319:20:013
113859944,0cyclictest0-21swapper/120:57:421
113859944,0cyclictest0-21swapper/119:22:511
113859943,1cyclictest23871-21chrt19:30:371
113859941,1cyclictest0-21swapper/121:15:161
113859941,1cyclictest0-21swapper/120:45:131
113859940,4cyclictest0-21swapper/120:13:431
113859940,3cyclictest0-21swapper/122:20:141
113859940,3cyclictest0-21swapper/100:09:171
113859940,2cyclictest0-21swapper/122:00:261
113859940,1cyclictest0-21swapper/121:50:121
113859940,1cyclictest0-21swapper/121:30:121
113859940,1cyclictest0-21swapper/120:30:211
113859940,0cyclictest0-21swapper/119:55:211
113859940,0cyclictest0-21swapper/119:45:051
113749944,0cyclictest9-21ksoftirqd/019:35:140
113859932,1cyclictest27826-21chrt20:50:021
113859931,2cyclictest0-21swapper/121:05:141
113859931,1cyclictest0-21swapper/120:15:101
113859931,1cyclictest0-21swapper/119:15:121
113859930,2cyclictest0-21swapper/119:10:121
113859930,1cyclictest0-21swapper/119:35:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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