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2025-12-20 - 14:40
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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 rack1slot1.osadl.org (updated Sat Dec 20, 2025 12:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120742217156,48sleep10-21swapper/107:07:371
121852214158,44sleep00-21swapper/007:09:050
122392202164,25sleep20-21swapper/207:09:472
119372201163,24sleep30-21swapper/307:05:513
12369991818,0cyclictest35-21ksoftirqd/309:00:003
12369991818,0cyclictest35-21ksoftirqd/308:20:003
12369991717,0cyclictest35-21ksoftirqd/311:45:203
12369991717,0cyclictest35-21ksoftirqd/307:10:163
1236999166,5cyclictest35-21ksoftirqd/312:00:143
12369991616,0cyclictest35-21ksoftirqd/311:20:213
12369991616,0cyclictest35-21ksoftirqd/310:05:213
12369991615,1cyclictest35-21ksoftirqd/310:30:143
12369991615,1cyclictest35-21ksoftirqd/310:30:143
12369991615,0cyclictest35-21ksoftirqd/310:50:153
12369991614,1cyclictest35-21ksoftirqd/312:20:253
12369991515,0cyclictest35-21ksoftirqd/312:10:153
12369991514,1cyclictest35-21ksoftirqd/309:50:203
12369991514,1cyclictest35-21ksoftirqd/309:45:163
12369991514,1cyclictest35-21ksoftirqd/307:30:213
1236999139,3cyclictest35-21ksoftirqd/310:30:003
1236999134,6cyclictest35-21ksoftirqd/311:40:013
12369991312,1cyclictest35-21ksoftirqd/310:35:213
12369991311,1cyclictest35-21ksoftirqd/310:25:003
12362991311,1cyclictest28-21ksoftirqd/209:30:002
1234599130,12cyclictest0-21swapper/008:10:120
65832120,0sleep00-21swapper/012:35:190
12369991212,0cyclictest35-21ksoftirqd/309:35:123
12369991212,0cyclictest35-21ksoftirqd/309:30:003
12369991212,0cyclictest35-21ksoftirqd/308:51:333
12369991211,1cyclictest35-21ksoftirqd/311:55:003
12369991211,1cyclictest35-21ksoftirqd/309:05:003
12369991211,1cyclictest35-21ksoftirqd/308:15:003
12369991211,0cyclictest35-21ksoftirqd/310:05:003
12369991210,1cyclictest35-21ksoftirqd/311:20:003
12369991210,1cyclictest35-21ksoftirqd/311:05:003
1234599124,4cyclictest21928-21latency_hist09:45:000
1234599122,5cyclictest26055-21date08:45:000
12345991211,1cyclictest9-21ksoftirqd/010:45:000
12345991210,1cyclictest9-21ksoftirqd/011:50:000
1236999119,1cyclictest35-21ksoftirqd/312:30:163
1236999119,1cyclictest35-21ksoftirqd/311:45:013
1236999119,1cyclictest35-21ksoftirqd/311:15:003
1236999119,1cyclictest35-21ksoftirqd/311:10:003
1236999119,1cyclictest35-21ksoftirqd/311:00:003
1236999119,1cyclictest35-21ksoftirqd/310:50:003
1236999119,1cyclictest35-21ksoftirqd/310:40:143
1236999119,1cyclictest35-21ksoftirqd/310:20:003
1236999119,1cyclictest35-21ksoftirqd/307:40:003
12369991111,0cyclictest35-21ksoftirqd/312:30:003
12369991111,0cyclictest35-21ksoftirqd/311:34:153
12369991111,0cyclictest35-21ksoftirqd/309:30:193
12369991111,0cyclictest35-21ksoftirqd/309:25:003
12369991111,0cyclictest35-21ksoftirqd/308:50:003
12369991111,0cyclictest35-21ksoftirqd/307:55:003
12369991110,1cyclictest35-21ksoftirqd/312:20:003
12369991110,1cyclictest35-21ksoftirqd/309:45:003
12369991110,1cyclictest35-21ksoftirqd/308:25:173
12369991110,1cyclictest35-21ksoftirqd/308:25:173
1236299119,1cyclictest28-21ksoftirqd/208:25:002
12345991110,1cyclictest9-21ksoftirqd/012:35:000
1236999109,1cyclictest35-21ksoftirqd/308:35:203
1236999109,1cyclictest35-21ksoftirqd/308:20:013
1236999109,1cyclictest35-21ksoftirqd/308:05:143
1236999109,1cyclictest35-21ksoftirqd/307:50:003
1236999109,1cyclictest35-21ksoftirqd/307:45:003
1236999108,1cyclictest35-21ksoftirqd/312:35:173
1236999108,1cyclictest35-21ksoftirqd/312:10:003
1236999108,1cyclictest35-21ksoftirqd/312:00:003
1236999108,1cyclictest35-21ksoftirqd/310:10:113
1236999108,1cyclictest35-21ksoftirqd/308:40:133
1236999108,1cyclictest35-21ksoftirqd/308:30:133
1236999108,1cyclictest35-21ksoftirqd/308:00:193
1236999108,1cyclictest35-21ksoftirqd/307:20:193
12369991010,0cyclictest35-21ksoftirqd/311:25:133
12369991010,0cyclictest35-21ksoftirqd/309:20:003
12369991010,0cyclictest35-21ksoftirqd/309:10:123
12369991010,0cyclictest35-21ksoftirqd/309:05:173
12369991010,0cyclictest35-21ksoftirqd/307:55:013
12369991010,0cyclictest35-21ksoftirqd/307:30:003
12369991010,0cyclictest35-21ksoftirqd/307:15:013
1235599100,2cyclictest111rcu_preempt12:20:251
1235599100,0cyclictest0-21swapper/109:10:121
1234599109,1cyclictest9-21ksoftirqd/011:05:000
1234599109,1cyclictest9-21ksoftirqd/010:25:000
1234599108,1cyclictest9-21ksoftirqd/012:10:000
1234599108,1cyclictest9-21ksoftirqd/010:40:000
1234599108,1cyclictest9-21ksoftirqd/009:05:000
1234599108,1cyclictest9-21ksoftirqd/007:25:000
1234599102,4cyclictest18965-21perf08:30:000
1234599102,4cyclictest18965-21perf08:30:000
1234599100,8cyclictest14699-21munin-node10:22:100
123699998,1cyclictest35-21ksoftirqd/309:55:123
123629991,6cyclictest9316-21apt-get08:10:122
123629990,5cyclictest27895-21kworker/2:111:15:152
123559999,0cyclictest21-21ksoftirqd/110:10:141
123559998,1cyclictest21-21ksoftirqd/111:00:141
123559998,1cyclictest21-21ksoftirqd/109:00:201
123559997,1cyclictest111rcu_preempt08:45:151
123559991,7cyclictest111rcu_preempt10:25:131
123559990,8cyclictest21-21ksoftirqd/112:15:171
123559990,8cyclictest21-21ksoftirqd/110:30:131
123559990,8cyclictest21-21ksoftirqd/110:30:131
123559990,8cyclictest21-21ksoftirqd/107:20:151
123559990,8cyclictest111rcu_preempt08:10:211
123559990,3cyclictest111rcu_preempt10:15:161
123559990,1cyclictest111rcu_preempt10:35:211
123459998,1cyclictest9-21ksoftirqd/010:00:000
123459998,1cyclictest9-21ksoftirqd/009:55:000
123459998,1cyclictest9-21ksoftirqd/009:30:000
123629986,1cyclictest707-21snmpd12:15:122
123629986,1cyclictest707-21snmpd10:05:352
123629986,1cyclictest61650irq/122-eno110:00:122
123629984,2cyclictest240-21systemd-journal09:00:002
123629981,6cyclictest25496-21apt-get11:00:132
123629980,5cyclictest0-21swapper/208:35:142
123629980,4cyclictest0-21swapper/207:10:122
123559988,0cyclictest211ksoftirqd/112:35:231
123559988,0cyclictest211ksoftirqd/111:20:211
123559988,0cyclictest211ksoftirqd/111:15:211
123559988,0cyclictest211ksoftirqd/110:50:181
123559988,0cyclictest21-21ksoftirqd/112:30:161
123559988,0cyclictest21-21ksoftirqd/112:25:281
123559988,0cyclictest21-21ksoftirqd/112:12:241
123559988,0cyclictest21-21ksoftirqd/112:00:161
123559988,0cyclictest21-21ksoftirqd/111:52:041
123559988,0cyclictest21-21ksoftirqd/111:40:181
123559988,0cyclictest21-21ksoftirqd/111:26:521
123559988,0cyclictest21-21ksoftirqd/111:05:121
123559988,0cyclictest21-21ksoftirqd/110:40:161
123559988,0cyclictest21-21ksoftirqd/109:50:241
123559988,0cyclictest21-21ksoftirqd/109:30:141
123559988,0cyclictest21-21ksoftirqd/108:55:321
123559988,0cyclictest21-21ksoftirqd/108:35:201
123559988,0cyclictest21-21ksoftirqd/108:30:221
123559988,0cyclictest21-21ksoftirqd/108:22:101
123559988,0cyclictest21-21ksoftirqd/107:52:101
123559988,0cyclictest21-21ksoftirqd/107:40:181
123559988,0cyclictest21-21ksoftirqd/107:35:201
123559988,0cyclictest21-21ksoftirqd/107:31:421
123559987,1cyclictest21-21ksoftirqd/111:35:161
123559987,1cyclictest21-21ksoftirqd/109:20:371
123559987,1cyclictest21-21ksoftirqd/107:10:181
123559987,1cyclictest111rcu_preempt09:45:151
123559986,1cyclictest111rcu_preempt09:40:211
123559981,0cyclictest111rcu_preempt08:15:111
123559980,8cyclictest21-21ksoftirqd/112:05:191
123559980,8cyclictest21-21ksoftirqd/111:55:191
123559980,7cyclictest211ksoftirqd/110:45:111
123559980,7cyclictest21-21ksoftirqd/107:55:171
123559980,0cyclictest0-21swapper/111:45:181
123459986,1cyclictest9-21ksoftirqd/011:55:000
123459986,1cyclictest707-21snmpd10:02:290
123459986,1cyclictest707-21snmpd09:35:340
123459986,1cyclictest707-21snmpd07:45:400
123459980,6cyclictest240-21systemd-journal09:25:000
123629975,1cyclictest707-21snmpd11:11:192
123629975,1cyclictest61650irq/122-eno111:07:172
123629975,1cyclictest61650irq/122-eno107:45:002
123629975,1cyclictest28-21ksoftirqd/210:30:002
123629975,1cyclictest18537-21ntpq09:35:162
123629975,1cyclictest0-21swapper/207:15:132
123629974,1cyclictest61650irq/122-eno110:45:002
123629970,6cyclictest0-21swapper/210:55:102
123629970,6cyclictest0-21swapper/209:01:372
123629970,1cyclictest0-21swapper/208:51:182
123559977,0cyclictest211ksoftirqd/111:30:131
123559977,0cyclictest211ksoftirqd/108:40:151
123559977,0cyclictest21-21ksoftirqd/110:55:001
123559977,0cyclictest21-21ksoftirqd/109:56:141
123559977,0cyclictest21-21ksoftirqd/109:35:471
123559977,0cyclictest21-21ksoftirqd/109:28:281
123559977,0cyclictest21-21ksoftirqd/109:15:141
123559977,0cyclictest21-21ksoftirqd/108:04:481
123559977,0cyclictest0-21swapper/110:20:151
123559976,1cyclictest21-21ksoftirqd/111:10:151
123559975,1cyclictest21-21ksoftirqd/107:45:141
123559975,1cyclictest21-21ksoftirqd/107:25:171
123559972,4cyclictest111rcu_preempt08:51:331
123559970,7cyclictest21-21ksoftirqd/109:05:151
123559970,7cyclictest0-21swapper/107:15:201
123559970,3cyclictest111rcu_preempt10:00:121
123559970,1cyclictest0-21swapper/108:25:141
123559970,1cyclictest0-21swapper/108:25:131
123459976,1cyclictest9-21ksoftirqd/011:30:010
123459976,1cyclictest9-21ksoftirqd/009:15:000
123459976,1cyclictest9-21ksoftirqd/007:15:000
123459975,1cyclictest9-21ksoftirqd/012:20:170
123459975,1cyclictest9-21ksoftirqd/008:20:000
123459975,1cyclictest707-21snmpd11:07:010
123459975,1cyclictest707-21snmpd09:30:070
123459975,1cyclictest707-21snmpd08:32:470
123459970,6cyclictest5964-21sh10:20:000
123459970,6cyclictest22054-21users07:25:250
123459970,1cyclictest1405-21ps11:15:190
123459970,1cyclictest0-21swapper/010:45:120
123459970,1cyclictest0-21swapper/008:20:320
123629966,0cyclictest61650irq/122-eno112:25:142
123629966,0cyclictest61650irq/122-eno111:55:202
123629966,0cyclictest61650irq/122-eno111:54:172
123629966,0cyclictest61650irq/122-eno111:35:212
123629966,0cyclictest61650irq/122-eno110:50:182
123629966,0cyclictest61650irq/122-eno110:45:122
123629966,0cyclictest61650irq/122-eno110:16:012
123629966,0cyclictest61650irq/122-eno110:10:452
123629966,0cyclictest61650irq/122-eno110:00:002
123629966,0cyclictest61650irq/122-eno109:33:152
123629966,0cyclictest61650irq/122-eno109:24:332
123629966,0cyclictest61650irq/122-eno109:16:452
123629966,0cyclictest61650irq/122-eno109:05:182
123629966,0cyclictest61650irq/122-eno108:34:062
123629966,0cyclictest61650irq/122-eno108:15:152
123629966,0cyclictest61650irq/122-eno108:00:132
123629966,0cyclictest61650irq/122-eno107:30:192
123629965,1cyclictest707-21snmpd12:01:122
123629965,1cyclictest707-21snmpd10:22:122
123629965,1cyclictest61650irq/122-eno108:05:192
123629965,1cyclictest61650irq/122-eno107:20:222
123629965,1cyclictest23295-21ntpq09:45:182
123629965,1cyclictest0-21swapper/212:35:462
123629965,0cyclictest61650irq/122-eno112:05:102
123629964,1cyclictest8344-21ntpq11:30:182
123629964,1cyclictest61650irq/122-eno111:45:152
123629964,1cyclictest61650irq/122-eno110:35:172
123629962,3cyclictest26086-21apt-get12:10:112
123629960,6cyclictest0-21swapper/211:29:062
123629960,6cyclictest0-21swapper/209:54:022
123629960,6cyclictest0-21swapper/208:46:122
123629960,5cyclictest0-21swapper/212:30:192
123629960,4cyclictest4255-21awk11:20:232
123629960,2cyclictest0-21swapper/210:30:122
123629960,2cyclictest0-21swapper/210:30:122
123629960,1cyclictest0-21swapper/212:23:552
123629960,1cyclictest0-21swapper/208:42:482
123629960,1cyclictest0-21swapper/207:35:132
123559966,0cyclictest21-21ksoftirqd/110:05:281
123559965,1cyclictest21-21ksoftirqd/108:05:141
123459966,0cyclictest0-21swapper/011:20:120
123459965,1cyclictest9-21ksoftirqd/008:50:000
123459965,1cyclictest9-21ksoftirqd/007:55:000
123459965,1cyclictest9-21ksoftirqd/007:30:150
123459965,1cyclictest8131-21ntpq08:05:180
123459965,1cyclictest707-21snmpd10:52:090
123459965,1cyclictest707-21snmpd07:54:120
123459965,1cyclictest12020-21cat10:30:160
123459965,1cyclictest12020-21cat10:30:160
123459964,1cyclictest9-21ksoftirqd/011:10:000
123459964,1cyclictest707-21snmpd07:44:010
123459964,1cyclictest21612-21cpuspeed_turbos12:00:130
123459960,6cyclictest0-21swapper/012:10:010
123459960,6cyclictest0-21swapper/009:15:200
123459960,6cyclictest0-21swapper/008:38:090
123459960,6cyclictest0-21swapper/007:13:580
123459960,5cyclictest0-21swapper/010:10:170
123459960,3cyclictest0-21swapper/011:35:130
123459960,0cyclictest0-21swapper/012:25:150
123459960,0cyclictest0-21swapper/011:58:060
123459960,0cyclictest0-21swapper/009:49:320
123459960,0cyclictest0-21swapper/008:55:130
123459960,0cyclictest0-21swapper/008:00:170
123629955,0cyclictest61650irq/122-eno111:42:382
123629955,0cyclictest61650irq/122-eno107:52:362
123629955,0cyclictest61650irq/122-eno107:45:122
123629953,1cyclictest61650irq/122-eno109:40:142
123629953,1cyclictest5690-21cut09:10:132
123629953,1cyclictest16811-21apt-get08:25:132
123629953,1cyclictest16811-21apt-get08:25:132
123629950,4cyclictest2883-21perl07:55:152
123629950,4cyclictest0-21swapper/207:25:232
123459955,0cyclictest9-21ksoftirqd/010:55:150
123459954,1cyclictest707-21snmpd10:07:200
123459954,1cyclictest29716-21ps12:15:190
123459953,1cyclictest11943-21/usr/sbin/munin11:40:220
123459950,5cyclictest0-21swapper/008:50:140
123459950,4cyclictest7215-21/usr/sbin/munin11:30:180
123459950,4cyclictest0-21swapper/009:05:150
123459940,2cyclictest240-21systemd-journal07:35:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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