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2026-07-19 - 19:32
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Sun Jul 19, 2026 12:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142962233158,24sleep00-21swapper/007:09:220
142492231159,25sleep30-21swapper/307:08:443
142152214179,23sleep20-21swapper/207:08:182
141692199162,24sleep10-21swapper/107:07:411
109932590,0sleep30-21swapper/311:17:543
211132170,0sleep10-21swapper/111:30:181
14428991211,1cyclictest28-21ksoftirqd/207:19:592
1441999120,0cyclictest0-21swapper/009:00:110
46102110,0sleep10-21swapper/110:28:521
14429991110,1cyclictest35-21ksoftirqd/311:45:163
14429991110,1cyclictest35-21ksoftirqd/309:55:203
14429991110,1cyclictest35-21ksoftirqd/309:15:003
1442899119,1cyclictest28-21ksoftirqd/212:15:132
1442899119,1cyclictest28-21ksoftirqd/211:55:002
1442899119,1cyclictest28-21ksoftirqd/211:00:002
1442899119,1cyclictest28-21ksoftirqd/210:25:012
1442899110,11cyclictest0-21swapper/211:45:572
1441999119,1cyclictest9-21ksoftirqd/009:19:590
1441999119,1cyclictest9-21ksoftirqd/007:50:010
1441999111,5cyclictest15776-21latency_hist11:25:010
1442999109,1cyclictest35-21ksoftirqd/311:05:213
1442999109,1cyclictest35-21ksoftirqd/311:00:123
1442999109,0cyclictest35-21ksoftirqd/310:45:223
1442999108,1cyclictest35-21ksoftirqd/312:30:203
1442999108,1cyclictest35-21ksoftirqd/312:18:143
1442999108,1cyclictest35-21ksoftirqd/310:10:203
14429991010,0cyclictest35-21ksoftirqd/311:29:313
14429991010,0cyclictest35-21ksoftirqd/309:25:183
1442899100,8cyclictest0-21swapper/210:38:272
1442899100,3cyclictest0-21swapper/211:17:392
1441999100,9cyclictest12382-21python12:00:210
144299999,0cyclictest35-21ksoftirqd/312:03:183
144299999,0cyclictest35-21ksoftirqd/311:20:213
144299999,0cyclictest35-21ksoftirqd/310:55:133
144299999,0cyclictest35-21ksoftirqd/309:41:023
144299998,1cyclictest35-21ksoftirqd/312:10:143
144299998,1cyclictest35-21ksoftirqd/311:42:413
144299998,1cyclictest35-21ksoftirqd/309:45:143
144299997,1cyclictest35-21ksoftirqd/312:40:003
144299997,1cyclictest35-21ksoftirqd/309:35:243
144289998,1cyclictest28-21ksoftirqd/212:35:012
144289998,1cyclictest28-21ksoftirqd/212:20:192
144289998,1cyclictest28-21ksoftirqd/208:35:002
144289998,1cyclictest28-21ksoftirqd/207:45:002
144289997,1cyclictest28-21ksoftirqd/208:05:142
144289995,2cyclictest28-21ksoftirqd/209:59:162
144289992,3cyclictest61650irq/122-eno110:10:092
144289991,4cyclictest18841-21apt-get09:25:112
144289990,8cyclictest0-21swapper/212:02:412
144199998,1cyclictest9-21ksoftirqd/012:00:000
144199998,1cyclictest9-21ksoftirqd/010:50:000
144199991,6cyclictest5365-21/usr/sbin/munin10:30:160
144299988,0cyclictest35-21ksoftirqd/311:59:553
144299988,0cyclictest35-21ksoftirqd/310:15:143
144299988,0cyclictest35-21ksoftirqd/309:15:153
144299987,1cyclictest35-21ksoftirqd/308:14:593
144299984,3cyclictest3132-21apt-get11:50:123
144299983,3cyclictest240-21systemd-journal11:15:013
144299982,2cyclictest0-21swapper/309:50:523
144299981,1cyclictest23824-21/usr/sbin/munin11:35:153
144299980,1cyclictest2293-21hddtemp_smartct10:25:163
144289987,1cyclictest28-21ksoftirqd/212:10:002
144289987,1cyclictest28-21ksoftirqd/211:35:122
144289987,1cyclictest28-21ksoftirqd/207:35:012
144289986,1cyclictest6561-21ntpq10:30:202
144289986,1cyclictest61650irq/122-eno109:19:572
144289981,6cyclictest16788-21munin-node09:01:302
144289980,7cyclictest16753-21munin-node07:15:002
144289980,4cyclictest0-21swapper/211:30:112
144289980,0cyclictest0-21swapper/210:48:542
144239980,4cyclictest0-21swapper/111:05:081
144199988,0cyclictest9-21ksoftirqd/012:20:400
144199987,1cyclictest9-21ksoftirqd/009:54:280
144199987,1cyclictest30720-21ssh09:40:060
144199982,1cyclictest8713-21expr11:15:120
144199981,6cyclictest7857-21ssh12:36:100
144199981,2cyclictest7084-21diskmemload10:40:160
144199980,6cyclictest0-21swapper/012:34:540
144199980,1cyclictest20733-21ssh10:07:040
18385270,0sleep10-21swapper/112:09:561
144299977,0cyclictest35-21ksoftirqd/310:40:123
144299977,0cyclictest35-21ksoftirqd/310:20:353
144299977,0cyclictest35-21ksoftirqd/310:05:133
144299977,0cyclictest35-21ksoftirqd/307:50:003
144299976,1cyclictest35-21ksoftirqd/311:30:123
144299976,1cyclictest35-21ksoftirqd/309:20:143
144299976,1cyclictest35-21ksoftirqd/308:55:003
144299976,1cyclictest35-21ksoftirqd/308:15:133
144299975,1cyclictest3814-21sshd07:51:313
144299974,1cyclictest35-21ksoftirqd/307:55:333
144299971,5cyclictest26519-21apt-get12:20:113
144299971,4cyclictest9065-21apt-get08:05:143
144299970,4cyclictest27950-21apt-get08:45:113
144299970,3cyclictest0-21swapper/310:00:363
144289976,1cyclictest61650irq/122-eno111:25:142
144289976,1cyclictest61650irq/122-eno110:25:142
144289976,1cyclictest61650irq/122-eno109:50:092
144289976,1cyclictest61650irq/122-eno109:45:022
144289976,1cyclictest61650irq/122-eno109:43:582
144289976,1cyclictest28-21ksoftirqd/211:05:132
144289976,1cyclictest28-21ksoftirqd/207:50:132
144289976,0cyclictest61650irq/122-eno111:20:122
144289975,1cyclictest61650irq/122-eno110:05:212
144289975,1cyclictest61650irq/122-eno109:20:122
144289975,1cyclictest28-21ksoftirqd/209:05:212
144289975,1cyclictest23302-21cat07:25:162
144289974,0cyclictest61650irq/122-eno109:37:582
144289973,2cyclictest240-21systemd-journal08:50:002
144289973,2cyclictest240-21systemd-journal08:15:002
144289972,3cyclictest7084-21diskmemload10:50:002
144289971,4cyclictest61650irq/122-eno111:03:162
144289970,1cyclictest21063-21memory07:20:172
144289970,1cyclictest0-21swapper/211:10:142
144239972,2cyclictest287372sleep110:17:381
144239972,1cyclictest0-21swapper/112:31:271
144239971,4cyclictest0-21swapper/109:25:121
144239970,5cyclictest0-21swapper/110:35:201
144239970,5cyclictest0-21swapper/108:45:121
144239970,4cyclictest0-21swapper/111:51:421
144239970,4cyclictest0-21swapper/110:42:061
144239970,3cyclictest0-21swapper/111:47:041
144239970,3cyclictest0-21swapper/111:15:131
144199976,1cyclictest9255-21apt-get10:35:120
144199976,1cyclictest1595-21telnet10:25:120
144199976,1cyclictest15267-21cat10:00:160
144199975,1cyclictest31882-21wc07:45:000
144199975,1cyclictest2987-21sh11:07:210
144199975,1cyclictest28462-21ssh10:59:320
144199974,1cyclictest240-21systemd-journal08:00:000
144199973,2cyclictest240-21systemd-journal08:24:590
144199971,5cyclictest769-21lldpd08:00:090
144199971,5cyclictest23824-21/usr/sbin/munin11:35:140
144199971,1cyclictest6241-21ssh11:10:400
144199970,7cyclictest0-21swapper/009:20:170
144199970,6cyclictest7084-21diskmemload12:05:150
144199970,6cyclictest31526-21strings12:25:170
144199970,6cyclictest28630-21idleruntime11:40:140
144199970,6cyclictest23676-21irqstats09:30:160
144199970,6cyclictest22678-21df10:10:140
144199970,6cyclictest22077-21ssh11:31:130
144199970,6cyclictest20681-21apt-get10:50:000
144199970,6cyclictest20677-21ssh09:25:270
144199970,6cyclictest20604-21sh12:10:370
144199970,6cyclictest15912-21munin-run08:20:000
144199970,6cyclictest0-21swapper/012:15:190
144199970,6cyclictest0-21swapper/011:25:150
144199970,6cyclictest0-21swapper/009:55:180
144199970,6cyclictest0-21swapper/008:55:190
144199970,6cyclictest0-21swapper/007:35:010
144199970,1cyclictest7084-21diskmemload11:45:380
144199970,1cyclictest7084-21diskmemload09:45:150
144199970,1cyclictest27822-21df07:35:130
144199970,1cyclictest26023-21ssh10:15:050
144199970,1cyclictest10024-21ssh09:13:020
144199970,1cyclictest0-21swapper/009:05:160
144199970,1cyclictest0-21swapper/008:05:130
10083270,1sleep20-21swapper/211:58:402
927260,0sleep10-21swapper/110:24:251
8617260,2sleep10-21swapper/112:38:071
144299966,0cyclictest35-21ksoftirqd/310:30:183
144299965,1cyclictest35-21ksoftirqd/310:50:153
144299965,1cyclictest35-21ksoftirqd/309:05:013
144299965,1cyclictest35-21ksoftirqd/308:35:123
144299965,1cyclictest35-21ksoftirqd/308:30:143
144299965,1cyclictest35-21ksoftirqd/308:25:133
144299965,1cyclictest35-21ksoftirqd/307:25:133
144299965,1cyclictest35-21ksoftirqd/307:20:193
144299964,1cyclictest35-21ksoftirqd/308:55:153
144299964,1cyclictest35-21ksoftirqd/308:00:213
144299964,1cyclictest35-21ksoftirqd/307:15:013
144299964,1cyclictest24611-21ssh09:30:313
144299963,2cyclictest0-21swapper/312:05:113
144299963,1cyclictest548-21systemd-logind07:10:193
144299962,1cyclictest24770-21apt-get07:30:133
144299960,4cyclictest0-21swapper/308:40:133
144299960,3cyclictest0-21swapper/312:25:133
144299960,3cyclictest0-21swapper/310:35:333
144289966,0cyclictest61650irq/122-eno112:10:032
144289966,0cyclictest61650irq/122-eno110:41:582
144289966,0cyclictest61650irq/122-eno108:22:332
144289966,0cyclictest61650irq/122-eno108:19:082
144289965,1cyclictest61650irq/122-eno107:35:142
144289965,1cyclictest30385-21ssh12:25:072
144289965,1cyclictest28-21ksoftirqd/208:00:132
144289964,1cyclictest8794-21/usr/sbin/munin09:10:192
144289964,1cyclictest61650irq/122-eno110:15:142
144289964,1cyclictest61650irq/122-eno110:00:012
144289964,1cyclictest5687-21ssh12:35:022
144289964,1cyclictest28-21ksoftirqd/208:50:122
144289964,1cyclictest28-21ksoftirqd/208:30:012
144289963,3cyclictest273492sleep208:40:302
144289963,1cyclictest32052-21apt-get07:45:132
144289960,6cyclictest0-21swapper/209:31:372
144289960,5cyclictest24697-21kworker/u8:211:40:052
144239962,3cyclictest0-21swapper/109:50:161
144239960,6cyclictest0-21swapper/111:02:441
144239960,4cyclictest0-21swapper/109:33:521
144239960,3cyclictest0-21swapper/111:10:111
144239960,3cyclictest0-21swapper/108:20:201
144239960,2cyclictest0-21swapper/112:17:461
144239960,2cyclictest0-21swapper/107:15:141
144239960,1cyclictest0-21swapper/109:20:201
144239960,1cyclictest0-21swapper/107:20:131
144199965,1cyclictest5545-21ssh11:51:590
144199965,1cyclictest3118-21ntpq07:50:170
144199964,1cyclictest23216-21/usr/sbin/munin08:35:120
144199963,2cyclictest12125-21grep08:10:140
144199963,1cyclictest240-21systemd-journal08:25:050
144199961,5cyclictest733-21sshd09:37:310
144199960,6cyclictest0-21swapper/007:19:050
144199960,5cyclictest30099-21ssh11:00:150
144199960,1cyclictest30395-21cstates10:20:130
144199960,0cyclictest0-21swapper/008:40:220
144299955,0cyclictest35-21ksoftirqd/308:20:113
144299954,1cyclictest35-21ksoftirqd/309:05:133
144299954,1cyclictest35-21ksoftirqd/307:35:153
144299950,1cyclictest0-21swapper/307:40:123
144289955,0cyclictest61650irq/122-eno108:55:122
144289955,0cyclictest61650irq/122-eno108:35:112
144289955,0cyclictest61650irq/122-eno107:55:052
144239955,0cyclictest0-21swapper/110:00:141
144239955,0cyclictest0-21swapper/109:49:551
144239955,0cyclictest0-21swapper/109:19:381
144239955,0cyclictest0-21swapper/109:11:551
144239954,1cyclictest0-21swapper/109:56:191
144239953,1cyclictest319662sleep112:25:221
144239951,1cyclictest0-21swapper/108:15:101
144239950,5cyclictest0-21swapper/112:01:311
144239950,5cyclictest0-21swapper/109:02:241
144239950,5cyclictest0-21swapper/108:01:481
144239950,4cyclictest0-21swapper/110:11:091
144239950,3cyclictest0-21swapper/112:20:181
144239950,3cyclictest0-21swapper/112:13:411
144239950,3cyclictest0-21swapper/111:20:121
144239950,3cyclictest0-21swapper/110:54:011
144239950,3cyclictest0-21swapper/108:10:201
144239950,2cyclictest0-21swapper/111:56:141
144239950,2cyclictest0-21swapper/111:26:171
144239950,2cyclictest0-21swapper/110:32:131
144239950,2cyclictest0-21swapper/109:35:561
144239950,2cyclictest0-21swapper/107:50:141
144239950,2cyclictest0-21swapper/107:25:171
144239950,1cyclictest0-21swapper/111:42:541
144239950,1cyclictest0-21swapper/110:55:131
144239950,1cyclictest0-21swapper/109:40:131
144239950,0cyclictest0-21swapper/110:45:441
144239950,0cyclictest0-21swapper/110:05:101
144239950,0cyclictest0-21swapper/107:35:151
144199953,1cyclictest28219-21cpuspeed_turbos08:45:130
144199953,1cyclictest21333-21ps07:20:190
144199951,3cyclictest0-21swapper/008:30:120
144199951,1cyclictest0-21swapper/008:50:100
144199950,4cyclictest14636-21/usr/sbin/munin07:10:130
144239940,4cyclictest0-21swapper/108:25:201
144239940,4cyclictest0-21swapper/108:06:251
144239940,4cyclictest0-21swapper/107:40:211
144239940,3cyclictest0-21swapper/111:35:061
144239940,3cyclictest0-21swapper/108:55:001
144239940,3cyclictest0-21swapper/108:30:141
144239940,1cyclictest0-21swapper/108:40:121
144239940,1cyclictest0-21swapper/107:50:001
144239940,1cyclictest0-21swapper/107:30:201
144239940,0cyclictest0-21swapper/108:38:461
144199942,1cyclictest22166-21cron07:25:000
144239931,2cyclictest0-21swapper/108:55:131
144239930,3cyclictest0-21swapper/107:10:191
144239930,1cyclictest0-21swapper/109:05:131
144239921,1cyclictest0-21swapper/107:55:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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