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2025-12-24 - 17:29
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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 Wed Dec 24, 2025 12:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
113062217161,25sleep20-21swapper/207:08:102
113442211150,49sleep30-21swapper/307:08:383
111452210147,21sleep00-21swapper/007:06:030
112182201164,24sleep10-21swapper/107:06:591
200172720,0sleep10-21swapper/109:40:181
11548991514,1cyclictest28-21ksoftirqd/209:50:122
11530991412,1cyclictest9-21ksoftirqd/010:25:000
11548991311,1cyclictest28-21ksoftirqd/209:25:012
11540991313,0cyclictest0-21swapper/112:02:221
1153099123,4cyclictest28221-21perf10:00:000
1153099120,11cyclictest0-21swapper/011:45:200
1153099120,11cyclictest0-21swapper/011:45:200
11555991110,1cyclictest35-21ksoftirqd/308:50:003
1154899119,1cyclictest28-21ksoftirqd/208:15:002
11548991110,1cyclictest28-21ksoftirqd/212:40:012
11548991110,1cyclictest28-21ksoftirqd/207:30:002
1154899110,1cyclictest9407-21cstates11:35:142
1153099116,1cyclictest707-21snmpd11:15:250
1155599109,1cyclictest35-21ksoftirqd/310:35:003
1155599107,1cyclictest35-21ksoftirqd/309:15:003
1154899109,1cyclictest28-21ksoftirqd/210:30:172
1154899109,1cyclictest28-21ksoftirqd/208:05:002
1154899108,1cyclictest28-21ksoftirqd/207:15:002
1153099108,1cyclictest9-21ksoftirqd/009:19:590
1153099102,4cyclictest13901-21munin-node07:15:000
1153099100,1cyclictest0-21swapper/010:15:400
115559999,0cyclictest35-21ksoftirqd/311:45:013
115559999,0cyclictest35-21ksoftirqd/310:25:003
115559999,0cyclictest35-21ksoftirqd/308:30:003
115559998,1cyclictest35-21ksoftirqd/309:05:003
115559997,1cyclictest35-21ksoftirqd/311:15:143
115489998,1cyclictest28-21ksoftirqd/212:05:212
115489998,1cyclictest28-21ksoftirqd/211:20:182
115489998,1cyclictest28-21ksoftirqd/209:30:012
115489998,1cyclictest28-21ksoftirqd/208:25:012
115489998,1cyclictest28-21ksoftirqd/208:05:162
115489997,1cyclictest28-21ksoftirqd/211:45:162
115489997,1cyclictest28-21ksoftirqd/211:45:152
115489997,1cyclictest28-21ksoftirqd/210:55:012
115489997,1cyclictest28-21ksoftirqd/208:40:212
115489996,2cyclictest707-21snmpd11:28:262
115489992,5cyclictest19818-21kworker/2:111:00:162
115309997,1cyclictest9-21ksoftirqd/009:04:590
115309995,1cyclictest707-21snmpd09:39:120
115309991,4cyclictest25319-21cut12:10:000
115309990,6cyclictest0-21swapper/011:42:140
115559988,0cyclictest35-21ksoftirqd/307:35:143
115559987,1cyclictest35-21ksoftirqd/312:25:003
115559987,1cyclictest35-21ksoftirqd/309:35:003
115559986,1cyclictest707-21snmpd12:11:133
115559986,1cyclictest707-21snmpd12:05:033
115559986,1cyclictest707-21snmpd12:00:033
115559986,1cyclictest707-21snmpd09:19:403
115559980,6cyclictest4003-21apt-get08:00:113
115489988,0cyclictest28-21ksoftirqd/211:55:202
115489988,0cyclictest28-21ksoftirqd/210:35:212
115489987,1cyclictest28-21ksoftirqd/212:30:152
115489987,1cyclictest28-21ksoftirqd/211:50:132
115489987,1cyclictest28-21ksoftirqd/211:14:592
115489987,1cyclictest28-21ksoftirqd/210:04:592
115489987,1cyclictest28-21ksoftirqd/207:15:002
115489986,1cyclictest28-21ksoftirqd/211:45:002
115489986,1cyclictest28-21ksoftirqd/210:55:112
115489986,1cyclictest28-21ksoftirqd/208:15:142
115489984,1cyclictest31697-21apt-get07:50:102
115489980,4cyclictest0-21swapper/210:00:002
115409981,1cyclictest0-21swapper/107:47:591
115309986,1cyclictest9-21ksoftirqd/010:00:130
115309986,1cyclictest9-21ksoftirqd/008:20:000
115309986,1cyclictest707-21snmpd08:55:570
115309982,5cyclictest32390-21perf12:25:010
115309982,5cyclictest0-21swapper/007:50:140
115309981,5cyclictest24165-21cat07:35:000
115309980,7cyclictest0-21swapper/009:20:130
115559977,0cyclictest35-21ksoftirqd/311:10:153
115559977,0cyclictest35-21ksoftirqd/309:40:143
115559977,0cyclictest35-21ksoftirqd/308:05:133
115559976,1cyclictest35-21ksoftirqd/312:35:123
115559976,1cyclictest35-21ksoftirqd/311:25:143
115559976,1cyclictest35-21ksoftirqd/309:45:013
115559976,1cyclictest35-21ksoftirqd/309:45:013
115559976,1cyclictest35-21ksoftirqd/309:20:143
115559975,1cyclictest707-21snmpd11:39:333
115559975,1cyclictest707-21snmpd11:30:153
115559975,1cyclictest707-21snmpd10:16:033
115559975,1cyclictest707-21snmpd09:54:273
115559975,1cyclictest707-21snmpd09:08:053
115559975,1cyclictest707-21snmpd08:43:033
115559975,1cyclictest707-21snmpd07:30:083
115559975,1cyclictest707-21snmpd07:26:563
115559975,1cyclictest35-21ksoftirqd/311:55:223
115559974,1cyclictest240-21systemd-journal11:49:563
115559974,1cyclictest240-21systemd-journal11:49:553
115559972,2cyclictest26037-21apt-get09:55:133
115559971,0cyclictest27587-21apt-get08:50:123
115559970,5cyclictest1917-21/usr/sbin/munin11:20:223
115489977,0cyclictest28-21ksoftirqd/212:25:212
115489977,0cyclictest28-21ksoftirqd/207:35:142
115489976,1cyclictest28-21ksoftirqd/212:25:012
115489976,1cyclictest28-21ksoftirqd/211:05:142
115489976,1cyclictest28-21ksoftirqd/207:20:162
115489976,0cyclictest19818-21kworker/2:108:25:212
115489970,5cyclictest0-21swapper/208:55:142
115489970,2cyclictest0-21swapper/212:15:102
115489970,0cyclictest0-21swapper/208:35:182
115409976,1cyclictest0-21swapper/110:15:241
115409970,1cyclictest0-21swapper/111:40:301
115409970,1cyclictest0-21swapper/110:35:211
115309975,1cyclictest9-21ksoftirqd/008:05:130
115309975,1cyclictest9-21ksoftirqd/007:20:130
115309975,1cyclictest707-21snmpd11:50:330
115309975,1cyclictest707-21snmpd11:20:440
115309975,1cyclictest707-21snmpd11:03:370
115309975,1cyclictest707-21snmpd10:44:590
115309975,1cyclictest707-21snmpd10:11:390
115309975,1cyclictest707-21snmpd07:26:280
115309972,4cyclictest25497-21/usr/sbin/munin12:10:180
115309972,1cyclictest14047-21/usr/sbin/munin09:30:190
115309970,6cyclictest18199-21/usr/sbin/munin08:30:510
115309970,6cyclictest0-21swapper/012:15:100
115309970,6cyclictest0-21swapper/011:38:100
115309970,6cyclictest0-21swapper/010:25:170
115309970,6cyclictest0-21swapper/007:15:130
115309970,4cyclictest13838-21cat09:30:010
115309970,1cyclictest2241-21/usr/sbin/munin09:05:170
115309970,1cyclictest0-21swapper/009:41:570
115309970,1cyclictest0-21swapper/007:40:110
115559966,0cyclictest35-21ksoftirqd/308:35:123
115559965,1cyclictest707-21snmpd10:42:453
115559965,1cyclictest35-21ksoftirqd/311:50:143
115559965,1cyclictest35-21ksoftirqd/311:05:143
115559965,1cyclictest35-21ksoftirqd/311:00:173
115559965,1cyclictest35-21ksoftirqd/310:50:183
115559965,1cyclictest35-21ksoftirqd/310:00:193
115559965,1cyclictest35-21ksoftirqd/308:30:493
115559965,1cyclictest35-21ksoftirqd/307:50:103
115559965,1cyclictest35-21ksoftirqd/307:15:143
115559964,1cyclictest707-21snmpd10:56:433
115559964,1cyclictest707-21snmpd10:05:273
115559964,1cyclictest707-21snmpd08:11:083
115559964,1cyclictest707-21snmpd07:58:053
115559964,1cyclictest707-21snmpd07:46:113
115559964,1cyclictest707-21snmpd07:23:043
115559964,1cyclictest35-21ksoftirqd/310:35:143
115559964,1cyclictest35-21ksoftirqd/310:11:243
115559964,1cyclictest35-21ksoftirqd/309:35:183
115559964,1cyclictest35-21ksoftirqd/307:10:183
115559964,1cyclictest14596-21ntpq08:20:163
115559963,2cyclictest29943-21apt-get08:55:153
115559963,1cyclictest240-21systemd-journal10:45:003
115559963,1cyclictest240-21systemd-journal07:40:023
115559960,2cyclictest2514-21apt-get12:30:123
115489966,0cyclictest61650irq/122-eno110:40:192
115489966,0cyclictest61650irq/122-eno109:35:162
115489966,0cyclictest61650irq/122-eno109:00:142
115489966,0cyclictest61650irq/122-eno108:31:582
115489966,0cyclictest61650irq/122-eno107:45:112
115489966,0cyclictest61650irq/122-eno107:30:192
115489966,0cyclictest28626-21kworker/2:011:20:002
115489966,0cyclictest28-21ksoftirqd/209:10:182
115489965,1cyclictest707-21snmpd10:06:212
115489965,1cyclictest707-21snmpd08:54:092
115489965,1cyclictest28-21ksoftirqd/210:45:132
115489965,1cyclictest28-21ksoftirqd/209:40:142
115489965,1cyclictest28-21ksoftirqd/209:15:122
115489965,1cyclictest22486-21ntpq09:45:152
115489965,1cyclictest22486-21ntpq09:45:152
115489965,1cyclictest19818-21kworker/2:110:20:132
115489965,1cyclictest19818-21kworker/2:107:55:132
115489965,0cyclictest28-21ksoftirqd/212:10:142
115489964,1cyclictest28-21ksoftirqd/212:00:182
115489964,1cyclictest28-21ksoftirqd/211:30:232
115489964,1cyclictest28-21ksoftirqd/210:25:132
115489964,1cyclictest28-21ksoftirqd/209:05:112
115489964,1cyclictest28-21ksoftirqd/208:45:142
115489962,1cyclictest889-21apt-get10:10:122
115409961,4cyclictest0-21swapper/109:46:491
115409961,4cyclictest0-21swapper/109:46:491
115409961,2cyclictest0-21swapper/111:55:141
115409960,6cyclictest0-21swapper/112:20:121
115409960,6cyclictest0-21swapper/111:49:451
115409960,6cyclictest0-21swapper/111:49:441
115409960,6cyclictest0-21swapper/111:30:211
115409960,6cyclictest0-21swapper/110:56:491
115409960,6cyclictest0-21swapper/110:41:241
115409960,6cyclictest0-21swapper/110:20:161
115409960,6cyclictest0-21swapper/109:56:451
115409960,6cyclictest0-21swapper/108:18:231
115409960,6cyclictest0-21swapper/108:14:291
115409960,6cyclictest0-21swapper/107:55:591
115409960,5cyclictest0-21swapper/107:53:381
115409960,4cyclictest0-21swapper/110:30:131
115409960,4cyclictest0-21swapper/107:30:131
115409960,3cyclictest0-21swapper/111:15:201
115409960,2cyclictest0-21swapper/111:20:121
115409960,1cyclictest0-21swapper/112:05:121
115409960,1cyclictest0-21swapper/108:58:471
115409960,0cyclictest0-21swapper/109:52:451
115409960,0cyclictest0-21swapper/108:45:181
115309965,1cyclictest9-21ksoftirqd/012:03:300
115309965,1cyclictest9-21ksoftirqd/007:58:330
115309965,1cyclictest707-21snmpd11:33:110
115309965,1cyclictest707-21snmpd08:52:540
115309964,1cyclictest6014-21tr12:35:190
115309964,1cyclictest22633-21turbostat.cron08:40:010
115309963,3cyclictest0-21swapper/010:45:110
115309960,6cyclictest0-21swapper/012:25:010
115309960,6cyclictest0-21swapper/010:05:100
115309960,6cyclictest0-21swapper/008:25:160
115309960,6cyclictest0-21swapper/007:37:260
115309960,2cyclictest0-21swapper/010:55:110
115309960,1cyclictest26509-21ps08:45:190
115309960,1cyclictest14384-21latency08:20:160
115309960,0cyclictest0-21swapper/010:39:140
115309960,0cyclictest0-21swapper/008:40:120
13229250,0sleep10-21swapper/109:25:201
115559954,1cyclictest12448-21gltestperf09:25:153
115559953,1cyclictest35-21ksoftirqd/310:25:123
115559953,1cyclictest28758-21uname12:15:153
115559951,3cyclictest12228-21ntp_offset08:15:183
115559950,4cyclictest609-21expr12:25:143
115489955,0cyclictest61650irq/122-eno110:15:152
115489955,0cyclictest61650irq/122-eno109:30:102
115489954,1cyclictest19818-21kworker/2:107:40:122
115409955,0cyclictest0-21swapper/112:17:511
115409955,0cyclictest0-21swapper/108:20:191
115409951,3cyclictest0-21swapper/111:50:101
115409950,5cyclictest0-21swapper/112:10:071
115409950,5cyclictest0-21swapper/111:12:461
115409950,5cyclictest0-21swapper/111:06:201
115409950,5cyclictest0-21swapper/109:36:461
115409950,5cyclictest0-21swapper/109:23:071
115409950,5cyclictest0-21swapper/109:17:311
115409950,5cyclictest0-21swapper/108:40:461
115409950,5cyclictest0-21swapper/108:09:501
115409950,5cyclictest0-21swapper/107:42:191
115409950,5cyclictest0-21swapper/107:13:271
115409950,0cyclictest0-21swapper/107:35:221
115309954,1cyclictest9-21ksoftirqd/009:12:370
115309954,1cyclictest707-21snmpd11:10:010
115309953,1cyclictest4802-21sort11:25:150
115309953,1cyclictest29357-21cut07:45:110
115309953,1cyclictest24505-21wc09:50:160
115309951,1cyclictest4080-21taskset08:00:130
115309950,4cyclictest27252-21/usr/sbin/munin11:05:160
115309950,4cyclictest2511-21/usr/sbin/munin12:30:170
115309950,4cyclictest18419-21/usr/sbin/munin11:55:200
115309950,2cyclictest240-21systemd-journal08:15:000
115409944,0cyclictest0-21swapper/112:33:181
115409944,0cyclictest0-21swapper/108:30:531
115409943,1cyclictest80742sleep110:25:111
115409941,1cyclictest0-21swapper/109:10:121
115409941,0cyclictest0-21swapper/108:50:111
115409940,4cyclictest0-21swapper/111:02:001
115409940,4cyclictest0-21swapper/110:10:391
115409940,4cyclictest0-21swapper/109:31:461
115409940,3cyclictest0-21swapper/112:40:001
115409940,3cyclictest0-21swapper/111:30:001
115409940,1cyclictest0-21swapper/112:25:141
115409940,1cyclictest0-21swapper/110:50:121
115409940,0cyclictest0-21swapper/111:37:071
115409940,0cyclictest0-21swapper/109:05:181
115409940,0cyclictest0-21swapper/108:35:181
115409940,0cyclictest0-21swapper/108:25:191
115409940,0cyclictest0-21swapper/107:27:151
115409940,0cyclictest0-21swapper/107:20:171
115309943,1cyclictest20207-21telnet10:50:130
115309940,4cyclictest0-21swapper/009:45:040
115309940,4cyclictest0-21swapper/009:45:040
115309940,0cyclictest0-21swapper/010:30:100
115409931,1cyclictest0-21swapper/109:00:131
115409930,3cyclictest0-21swapper/108:01:281
115409930,2cyclictest0-21swapper/110:45:111
115409930,2cyclictest0-21swapper/110:05:131
115409930,2cyclictest0-21swapper/110:00:171
115409930,1cyclictest0-21swapper/107:15:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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