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2026-05-11 - 23:33
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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 Mon May 11, 2026 12:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
305822225155,56sleep30-21swapper/307:08:323
305972209152,22sleep10-21swapper/107:08:421
306632201162,25sleep20-21swapper/207:09:362
306782199161,24sleep00-21swapper/007:09:450
287412710,1sleep028744-21unixbench_singl12:05:210
98662590,0sleep00-21swapper/009:31:220
107622580,0sleep10-21swapper/108:40:161
3078899140,13cyclictest24451-21ntp_states12:00:192
30795991312,1cyclictest35-21ksoftirqd/312:20:003
30778991311,1cyclictest9-21ksoftirqd/011:45:000
30778991311,1cyclictest9-21ksoftirqd/009:55:170
30778991211,1cyclictest9-21ksoftirqd/011:05:000
30778991210,1cyclictest9-21ksoftirqd/009:45:000
30778991210,1cyclictest9-21ksoftirqd/008:45:010
3078899110,0cyclictest0-21swapper/210:53:552
30778991110,1cyclictest9-21ksoftirqd/010:55:140
34492100,0sleep33431-21perf09:25:013
3079599101,7cyclictest570-21nscd12:05:333
3077899109,1cyclictest9-21ksoftirqd/010:40:120
3077899109,1cyclictest9-21ksoftirqd/010:25:150
3077899109,1cyclictest9-21ksoftirqd/009:15:200
3077899109,1cyclictest9-21ksoftirqd/007:50:200
3077899109,1cyclictest24444-21ntp_states12:00:190
3077899103,6cyclictest9-21ksoftirqd/009:50:000
3077899103,6cyclictest9-21ksoftirqd/009:50:000
3077899103,1cyclictest21660-21ssh11:15:070
30778991010,0cyclictest9-21ksoftirqd/012:10:150
30778991010,0cyclictest9-21ksoftirqd/010:50:150
171682100,0sleep30-21swapper/311:08:393
307959999,0cyclictest35-21ksoftirqd/312:40:003
307959999,0cyclictest35-21ksoftirqd/310:30:003
307959998,1cyclictest35-21ksoftirqd/308:40:003
307889991,7cyclictest0-21swapper/209:35:412
307789999,0cyclictest9-21ksoftirqd/010:30:160
307789998,1cyclictest9-21ksoftirqd/011:20:110
307789998,1cyclictest9-21ksoftirqd/010:35:140
307789998,1cyclictest9-21ksoftirqd/010:35:140
307789998,1cyclictest9-21ksoftirqd/010:15:170
307789998,0cyclictest9-21ksoftirqd/011:45:140
307789997,1cyclictest9-21ksoftirqd/011:10:110
307789997,1cyclictest9-21ksoftirqd/008:25:140
307789997,1cyclictest9-21ksoftirqd/007:21:350
307789997,1cyclictest16747-21grep08:55:000
307959988,0cyclictest35-21ksoftirqd/312:30:143
307959988,0cyclictest35-21ksoftirqd/311:45:003
307959987,1cyclictest35-21ksoftirqd/312:05:003
307959987,1cyclictest35-21ksoftirqd/311:30:123
307959987,1cyclictest35-21ksoftirqd/308:50:013
307959987,1cyclictest35-21ksoftirqd/308:45:003
307959986,1cyclictest35-21ksoftirqd/308:20:013
307959986,1cyclictest23530-21snmpd12:10:563
307959986,1cyclictest23530-21snmpd11:20:283
307959986,1cyclictest23530-21snmpd10:05:033
307959986,1cyclictest23530-21snmpd08:24:033
307959986,1cyclictest16864-21cat07:45:153
307959986,1cyclictest16864-21cat07:45:153
307959983,2cyclictest0-21swapper/309:15:113
307959980,5cyclictest0-21swapper/311:25:013
307959980,4cyclictest0-21swapper/312:25:213
307959980,1cyclictest0-21swapper/310:59:193
307959980,0cyclictest23056-21apt-get08:00:113
307889986,1cyclictest61650irq/122-eno112:10:112
307889986,1cyclictest61650irq/122-eno111:25:182
307889986,1cyclictest61650irq/122-eno111:10:202
307889986,1cyclictest61650irq/122-eno111:05:172
307889986,1cyclictest61650irq/122-eno110:40:002
307889986,1cyclictest61650irq/122-eno110:40:002
307889986,1cyclictest61650irq/122-eno109:57:132
307889986,1cyclictest61650irq/122-eno109:50:122
307889986,1cyclictest23530-21snmpd08:58:232
307889986,1cyclictest1747-21ntpd09:10:592
307889980,4cyclictest0-21swapper/209:46:252
307889980,4cyclictest0-21swapper/209:46:242
307789987,1cyclictest9-21ksoftirqd/008:35:120
307789986,1cyclictest9-21ksoftirqd/012:25:140
307789986,1cyclictest9-21ksoftirqd/010:10:140
307789986,1cyclictest9-21ksoftirqd/008:30:150
307789986,1cyclictest664-21cat09:20:150
307789986,1cyclictest23530-21snmpd11:30:240
307789980,7cyclictest4429-21taskset10:08:060
307959976,1cyclictest4652-21cat09:25:163
307959976,1cyclictest35-21ksoftirqd/312:25:013
307959976,1cyclictest35-21ksoftirqd/311:55:003
307959976,1cyclictest35-21ksoftirqd/310:45:013
307959976,1cyclictest35-21ksoftirqd/308:10:003
307959976,1cyclictest35-21ksoftirqd/307:20:003
307959976,1cyclictest35-21ksoftirqd/307:15:013
307959976,1cyclictest23530-21snmpd11:01:173
307959976,1cyclictest23530-21snmpd10:31:163
307959976,1cyclictest23530-21snmpd10:23:593
307959976,1cyclictest23530-21snmpd08:34:073
307959976,1cyclictest23530-21snmpd07:51:473
307959975,1cyclictest23530-21snmpd07:39:353
307959974,2cyclictest23873-21diskmemload09:46:453
307959974,2cyclictest23873-21diskmemload09:46:453
307959973,1cyclictest11028-21awk07:35:013
307959971,2cyclictest4935-21sh10:50:513
307959971,0cyclictest23873-21diskmemload11:18:103
307889976,1cyclictest61650irq/122-eno112:05:122
307889976,1cyclictest61650irq/122-eno111:21:322
307889976,1cyclictest61650irq/122-eno111:15:192
307889976,1cyclictest61650irq/122-eno111:00:212
307889976,1cyclictest61650irq/122-eno110:30:082
307889976,1cyclictest61650irq/122-eno110:16:312
307889976,1cyclictest61650irq/122-eno109:19:412
307889976,1cyclictest23530-21snmpd09:30:422
307889976,0cyclictest61650irq/122-eno111:55:202
307889975,1cyclictest61650irq/122-eno112:15:152
307889975,1cyclictest61650irq/122-eno109:45:002
307889975,1cyclictest14767-21ssh10:20:342
307889973,3cyclictest19789-21cat09:00:122
307889973,2cyclictest240-21systemd-journal08:04:592
307889973,1cyclictest9571-21apt-config08:40:002
307889972,2cyclictest240-21systemd-journal10:45:012
307889971,4cyclictest30769-21cyclictest11:30:532
307889971,3cyclictest23873-21diskmemload10:00:122
307889971,2cyclictest0-21swapper/212:25:122
307889970,3cyclictest0-21swapper/210:10:122
307839970,4cyclictest0-21swapper/110:25:121
307789976,1cyclictest9-21ksoftirqd/011:53:010
307789976,1cyclictest9-21ksoftirqd/008:15:130
307789976,1cyclictest9-21ksoftirqd/007:15:000
307789976,0cyclictest0-21swapper/009:35:110
307789975,1cyclictest8889-21/usr/sbin/munin07:30:130
307789975,1cyclictest4940-21ssh09:25:180
307789975,1cyclictest31878-21cat07:10:160
307789975,1cyclictest22378-21unixbench_singl07:55:210
307789973,4cyclictest9-21ksoftirqd/008:55:190
307789972,2cyclictest5015-21forks11:35:150
307789971,4cyclictest5810-21/usr/sbin/munin12:20:130
307789971,0cyclictest16473-21ssh11:06:400
307789970,6cyclictest39932sleep012:15:470
307789970,6cyclictest30925-21fschecks_count10:00:160
307789970,6cyclictest23157-21python09:05:190
307789970,6cyclictest16192-21ssh10:24:360
307789970,6cyclictest0-21swapper/011:55:200
307789970,6cyclictest0-21swapper/010:45:150
307789970,6cyclictest0-21swapper/008:45:110
307789970,1cyclictest23873-21diskmemload11:25:590
307789970,1cyclictest17018-21ssh12:35:100
307789970,1cyclictest15104-21ssh12:30:270
18338270,0sleep30-21swapper/309:43:433
307959966,0cyclictest35-21ksoftirqd/307:40:143
307959965,1cyclictest9547-21ssh09:30:343
307959965,1cyclictest31511-21ntpq10:00:183
307959965,1cyclictest29459-21ssh09:58:253
307959965,1cyclictest23530-21snmpd11:35:033
307959965,1cyclictest23530-21snmpd10:42:233
307959965,1cyclictest23530-21snmpd10:19:403
307959965,1cyclictest23530-21snmpd07:56:153
307959965,1cyclictest23368-21ssh09:50:163
307959965,1cyclictest21165-21sshd09:00:373
307959965,1cyclictest20401-21ssh11:12:103
307959965,1cyclictest14141-21ssh09:37:313
307959964,1cyclictest35-21ksoftirqd/309:10:003
307959964,1cyclictest23530-21snmpd11:47:373
307959962,1cyclictest5340-21taskset10:10:013
307959961,1cyclictest0-21swapper/311:59:033
307959960,2cyclictest0-21swapper/310:35:133
307959960,2cyclictest0-21swapper/310:35:123
307959960,1cyclictest24143-21ssh09:10:123
307959960,1cyclictest0-21swapper/307:20:123
307889966,0cyclictest61650irq/122-eno112:35:042
307889966,0cyclictest61650irq/122-eno112:30:142
307889966,0cyclictest61650irq/122-eno112:20:112
307889966,0cyclictest61650irq/122-eno111:41:002
307889966,0cyclictest61650irq/122-eno110:55:082
307889966,0cyclictest61650irq/122-eno110:26:342
307889966,0cyclictest61650irq/122-eno110:05:182
307889966,0cyclictest61650irq/122-eno109:25:162
307889966,0cyclictest61650irq/122-eno109:20:072
307889966,0cyclictest61650irq/122-eno109:05:352
307889966,0cyclictest61650irq/122-eno108:45:582
307889966,0cyclictest61650irq/122-eno108:37:122
307889966,0cyclictest61650irq/122-eno108:25:102
307889966,0cyclictest61650irq/122-eno108:20:052
307889966,0cyclictest61650irq/122-eno108:10:142
307889966,0cyclictest61650irq/122-eno108:09:052
307889966,0cyclictest61650irq/122-eno107:54:182
307889966,0cyclictest61650irq/122-eno107:37:232
307889966,0cyclictest61650irq/122-eno107:29:572
307889965,1cyclictest10024-21ntpq07:30:172
307889964,1cyclictest61650irq/122-eno111:35:142
307889964,1cyclictest61650irq/122-eno107:15:002
307889964,1cyclictest15693-21ssh11:50:052
307889963,2cyclictest31805-21unixbench_singl08:15:182
307889961,2cyclictest0-21swapper/207:10:112
307889960,6cyclictest0-21swapper/208:50:042
307889960,4cyclictest32191-21fschecks_count10:45:142
307889960,0cyclictest0-21swapper/211:45:382
307839966,0cyclictest0-21swapper/111:30:181
307839960,6cyclictest0-21swapper/111:00:471
307839960,2cyclictest0-21swapper/112:07:431
307839960,2cyclictest0-21swapper/109:45:131
307839960,2cyclictest0-21swapper/109:45:131
307839960,1cyclictest0-21swapper/110:50:151
307839960,0cyclictest0-21swapper/110:31:091
307789965,1cyclictest9-21ksoftirqd/009:00:200
307789965,1cyclictest9-21ksoftirqd/008:00:120
307789965,1cyclictest23530-21snmpd07:40:060
307789965,1cyclictest23530-21snmpd07:27:260
307789961,0cyclictest22328-1kworker/u9:009:50:170
307789960,5cyclictest32658-21telnet08:20:120
307789960,0cyclictest0-21swapper/009:10:150
307789960,0cyclictest0-21swapper/008:12:050
307959954,1cyclictest35-21ksoftirqd/308:25:333
307959954,1cyclictest23530-21snmpd07:29:173
307959952,1cyclictest240-21systemd-journal08:10:013
307889955,0cyclictest61650irq/122-eno108:30:122
307889955,0cyclictest61650irq/122-eno107:55:112
307889955,0cyclictest61650irq/122-eno107:45:132
307889955,0cyclictest61650irq/122-eno107:45:132
307889955,0cyclictest61650irq/122-eno107:20:132
307889950,4cyclictest13620-21/usr/sbin/munin07:40:132
307839955,0cyclictest0-21swapper/111:50:321
307839955,0cyclictest0-21swapper/110:58:361
307839955,0cyclictest0-21swapper/110:35:561
307839955,0cyclictest0-21swapper/110:35:551
307839955,0cyclictest0-21swapper/109:23:371
307839952,1cyclictest0-21swapper/112:33:361
307839951,3cyclictest0-21swapper/111:56:471
307839950,5cyclictest0-21swapper/110:11:261
307839950,5cyclictest0-21swapper/109:50:381
307839950,4cyclictest0-21swapper/112:03:231
307839950,3cyclictest0-21swapper/112:15:401
307839950,2cyclictest0-21swapper/112:35:181
307839950,2cyclictest0-21swapper/112:28:021
307839950,2cyclictest0-21swapper/111:15:131
307839950,2cyclictest0-21swapper/110:45:111
307839950,2cyclictest0-21swapper/110:44:071
307839950,2cyclictest0-21swapper/110:05:171
307839950,1cyclictest0-21swapper/111:05:131
307839950,1cyclictest0-21swapper/110:20:141
307839950,1cyclictest0-21swapper/110:04:091
307839950,0cyclictest0-21swapper/109:37:091
307839950,0cyclictest0-21swapper/109:34:341
307839950,0cyclictest0-21swapper/109:25:121
307839950,0cyclictest0-21swapper/108:50:101
307789953,1cyclictest16947-21wc07:45:160
307789953,1cyclictest16947-21wc07:45:160
307789953,1cyclictest12474-21grep07:35:170
307789951,2cyclictest0-21swapper/008:05:120
307959943,1cyclictest23530-21snmpd08:55:493
307959940,2cyclictest14625-21apt-get08:50:103
307839944,0cyclictest0-21swapper/111:10:121
307839944,0cyclictest0-21swapper/108:07:201
307839944,0cyclictest0-21swapper/107:17:281
307839943,1cyclictest8543-21chrt12:23:001
307839943,1cyclictest5902sleep107:14:101
307839943,1cyclictest4401-21chrt08:28:151
307839943,1cyclictest15491-21chrt07:41:571
307839942,1cyclictest22506-21chrt07:56:231
307839942,1cyclictest0-21swapper/109:40:141
307839941,3cyclictest0-21swapper/109:15:111
307839941,1cyclictest0-21swapper/112:10:121
307839941,1cyclictest0-21swapper/108:55:131
307839940,4cyclictest0-21swapper/109:06:531
307839940,3cyclictest0-21swapper/109:58:501
307839940,2cyclictest0-21swapper/111:45:101
307839940,2cyclictest0-21swapper/111:40:131
307839940,2cyclictest0-21swapper/111:35:471
307839940,2cyclictest0-21swapper/110:15:471
307839940,2cyclictest0-21swapper/108:45:171
307839940,2cyclictest0-21swapper/107:30:011
307839940,1cyclictest0-21swapper/111:25:011
307839940,1cyclictest0-21swapper/111:22:051
307839940,1cyclictest0-21swapper/109:10:121
307839940,1cyclictest0-21swapper/108:35:101
307839940,1cyclictest0-21swapper/107:25:161
307839940,0cyclictest0-21swapper/108:10:121
307839932,1cyclictest0-21swapper/107:52:581
307839931,1cyclictest0-21swapper/108:02:081
307839930,3cyclictest0-21swapper/108:20:001
307839930,2cyclictest30120-21chrt08:15:101
307839930,2cyclictest17881-21chrt07:47:271
307839930,2cyclictest17881-21chrt07:47:261
307839930,2cyclictest0-21swapper/109:00:131
307839930,2cyclictest0-21swapper/107:35:111
307839930,1cyclictest5917-21taskset07:22:471
307839930,1cyclictest0-21swapper/108:30:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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