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2025-12-26 - 15:24
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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 Fri Dec 26, 2025 12:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71342211154,24sleep00-21swapper/007:09:250
69162202162,26sleep30-21swapper/307:06:343
68382199158,27sleep20-21swapper/207:05:322
69072198158,26sleep10-21swapper/107:06:281
257942190,0sleep00-21swapper/008:55:120
729099140,13cyclictest0-21swapper/109:10:121
727899130,12cyclictest0-21swapper/012:15:110
204072130,0sleep00-21swapper/007:35:140
729499120,0cyclictest0-21swapper/210:25:202
274812120,0sleep10-21swapper/107:50:131
727899119,1cyclictest9-21ksoftirqd/010:05:000
727899118,2cyclictest30220-21cron11:19:590
7278991110,1cyclictest9-21ksoftirqd/012:29:590
729799104,2cyclictest23933-21perf10:00:013
729499108,1cyclictest28-21ksoftirqd/209:55:112
729499102,7cyclictest9624-21munin-node12:38:162
727899107,1cyclictest9-21ksoftirqd/011:14:590
727899103,4cyclictest23133-21perf08:50:000
727899101,4cyclictest7308-21perf11:40:010
72979997,1cyclictest35-21ksoftirqd/310:46:303
72979990,3cyclictest0-21swapper/308:40:163
72979990,1cyclictest0-21swapper/308:50:123
72949990,6cyclictest8630-21/usr/sbin/munin10:35:162
72789998,1cyclictest9-21ksoftirqd/011:45:110
72789998,1cyclictest9-21ksoftirqd/010:10:130
72789997,1cyclictest9-21ksoftirqd/009:50:000
72789992,4cyclictest4945-21cut11:35:010
72789992,3cyclictest15051-21perf07:24:590
72789990,6cyclictest240-21systemd-journal09:44:540
72789990,4cyclictest17357-21latency_hist07:29:590
72979987,1cyclictest35-21ksoftirqd/310:40:003
72979987,1cyclictest35-21ksoftirqd/310:30:313
72979986,1cyclictest707-21snmpd12:31:003
72979986,1cyclictest707-21snmpd12:21:353
72979986,1cyclictest707-21snmpd11:49:193
72979986,1cyclictest707-21snmpd11:13:153
72979986,1cyclictest707-21snmpd10:51:303
72979986,1cyclictest707-21snmpd08:15:493
72979986,1cyclictest707-21snmpd07:31:553
72979982,3cyclictest20846-21apt-get11:00:133
72949988,0cyclictest0-21swapper/209:11:402
72949986,1cyclictest61650irq/122-eno111:10:152
72949986,1cyclictest61650irq/122-eno111:00:142
72949986,1cyclictest61650irq/122-eno108:05:142
72949984,2cyclictest240-21systemd-journal08:15:002
72949981,6cyclictest9624-21munin-node11:34:032
72909981,1cyclictest0-21swapper/109:32:091
72789987,1cyclictest9-21ksoftirqd/011:00:010
72789987,1cyclictest9-21ksoftirqd/010:14:590
72789987,1cyclictest9-21ksoftirqd/009:35:000
72789986,1cyclictest9-21ksoftirqd/011:24:590
72789986,1cyclictest9-21ksoftirqd/011:01:030
72789986,1cyclictest9-21ksoftirqd/010:45:140
72789986,1cyclictest9-21ksoftirqd/010:30:000
72789986,1cyclictest9-21ksoftirqd/008:15:000
72789986,1cyclictest707-21snmpd12:11:350
72789986,1cyclictest707-21snmpd10:51:480
72789986,1cyclictest707-21snmpd10:43:060
72789986,1cyclictest707-21snmpd09:14:400
72789986,1cyclictest707-21snmpd08:19:080
72789986,1cyclictest707-21snmpd08:01:590
72789980,6cyclictest27972-21sensors_temp12:20:180
72979976,1cyclictest707-21snmpd09:11:093
72979976,1cyclictest707-21snmpd08:21:593
72979976,1cyclictest707-21snmpd07:16:493
72979976,1cyclictest35-21ksoftirqd/307:30:003
72979976,1cyclictest22719-21cat12:10:153
72979975,1cyclictest707-21snmpd12:19:293
72979975,1cyclictest707-21snmpd11:57:593
72979975,1cyclictest707-21snmpd11:39:573
72979975,1cyclictest707-21snmpd11:08:153
72979975,1cyclictest707-21snmpd09:08:453
72979975,1cyclictest707-21snmpd08:58:033
72979975,1cyclictest707-21snmpd08:25:573
72979975,1cyclictest707-21snmpd07:53:343
72979975,1cyclictest707-21snmpd07:42:523
72979975,1cyclictest707-21snmpd07:38:373
72979975,1cyclictest6344-21wc09:20:163
72979975,1cyclictest35-21ksoftirqd/309:29:593
72979975,1cyclictest31627-21ntpq11:20:183
72979970,5cyclictest0-21swapper/307:55:123
72949976,1cyclictest28-21ksoftirqd/209:50:102
72949976,1cyclictest28-21ksoftirqd/209:50:102
72949975,1cyclictest707-21snmpd10:15:552
72949975,1cyclictest61650irq/122-eno109:20:112
72949975,1cyclictest28-21ksoftirqd/209:30:002
72949975,1cyclictest28-21ksoftirqd/207:15:002
72949973,0cyclictest0-21swapper/207:25:192
72949970,4cyclictest0-21swapper/209:00:122
72949970,1cyclictest0-21swapper/212:20:142
72949970,1cyclictest0-21swapper/211:54:292
72949970,1cyclictest0-21swapper/208:22:412
72909976,1cyclictest0-21swapper/110:05:161
72909971,5cyclictest0-21swapper/108:45:181
72909970,6cyclictest0-21swapper/111:45:141
72909970,6cyclictest0-21swapper/110:40:231
72909970,1cyclictest0-21swapper/110:20:561
72789976,1cyclictest9-21ksoftirqd/008:30:140
72789976,1cyclictest9-21ksoftirqd/008:05:200
72789976,1cyclictest733-21sshd09:56:300
72789975,1cyclictest707-21snmpd09:28:160
72789970,7cyclictest0-21swapper/011:45:010
72789970,7cyclictest0-21swapper/007:58:190
72789970,6cyclictest27728-21df07:50:150
72789970,6cyclictest13249-21irqstats09:35:170
72789970,6cyclictest0-21swapper/012:35:090
72789970,6cyclictest0-21swapper/011:27:310
72789970,6cyclictest0-21swapper/009:50:170
72789970,6cyclictest0-21swapper/009:50:170
72789970,1cyclictest4035-21sendmail_mailst09:15:200
72789970,1cyclictest32537-21basename09:10:000
72789970,1cyclictest14679-21gpgv11:55:010
72979965,1cyclictest35-21ksoftirqd/310:55:333
72979964,1cyclictest9787-21apt-get09:30:123
72979964,1cyclictest8010-21df_inode11:40:163
72979964,1cyclictest707-21snmpd12:27:123
72979964,1cyclictest707-21snmpd10:20:293
72979964,1cyclictest707-21snmpd10:13:143
72979964,1cyclictest707-21snmpd10:00:353
72979964,1cyclictest707-21snmpd09:15:423
72979964,1cyclictest35-21ksoftirqd/308:00:113
72979963,1cyclictest548-21systemd-logind09:00:193
72979963,1cyclictest240-21systemd-journal11:19:273
72979961,2cyclictest12892-21apt-get07:20:123
72979961,1cyclictest30968-21apt-get10:15:013
72979960,1cyclictest240-21systemd-journal12:39:553
72949966,0cyclictest61650irq/122-eno112:30:152
72949966,0cyclictest61650irq/122-eno112:17:002
72949966,0cyclictest61650irq/122-eno112:00:102
72949966,0cyclictest61650irq/122-eno111:58:322
72949966,0cyclictest61650irq/122-eno111:45:122
72949966,0cyclictest61650irq/122-eno111:35:142
72949966,0cyclictest61650irq/122-eno111:28:312
72949966,0cyclictest61650irq/122-eno110:57:402
72949966,0cyclictest61650irq/122-eno110:20:162
72949966,0cyclictest61650irq/122-eno109:45:152
72949966,0cyclictest61650irq/122-eno109:40:212
72949966,0cyclictest61650irq/122-eno109:15:152
72949966,0cyclictest61650irq/122-eno108:58:132
72949966,0cyclictest61650irq/122-eno108:32:142
72949966,0cyclictest61650irq/122-eno107:30:282
72949965,1cyclictest707-21snmpd11:17:502
72949965,1cyclictest61650irq/122-eno111:20:122
72949965,1cyclictest61650irq/122-eno110:10:152
72949965,1cyclictest61650irq/122-eno108:15:192
72949965,1cyclictest61650irq/122-eno107:51:112
72949965,1cyclictest13498-21ntpq09:35:182
72949965,1cyclictest0-21swapper/207:40:182
72949964,1cyclictest707-21snmpd10:40:512
72949964,1cyclictest61650irq/122-eno112:25:122
72949964,1cyclictest61650irq/122-eno112:10:192
72949964,1cyclictest61650irq/122-eno110:05:142
72949964,1cyclictest61650irq/122-eno108:00:122
72949964,1cyclictest28-21ksoftirqd/207:50:012
72949963,2cyclictest20967-21apt-get08:45:092
72949962,1cyclictest240-21systemd-journal10:35:002
72949960,6cyclictest0-21swapper/207:35:162
72949960,6cyclictest0-21swapper/207:16:182
72949960,4cyclictest0-21swapper/211:05:082
72949960,2cyclictest0-21swapper/210:50:142
72909960,6cyclictest0-21swapper/112:23:271
72909960,6cyclictest0-21swapper/111:37:481
72909960,6cyclictest0-21swapper/111:01:451
72909960,6cyclictest0-21swapper/110:59:271
72909960,6cyclictest0-21swapper/109:43:221
72909960,6cyclictest0-21swapper/109:20:131
72909960,6cyclictest0-21swapper/108:59:451
72909960,6cyclictest0-21swapper/108:10:071
72909960,6cyclictest0-21swapper/108:06:401
72909960,6cyclictest0-21swapper/107:46:571
72909960,5cyclictest0-21swapper/112:25:211
72909960,4cyclictest0-21swapper/111:42:431
72909960,3cyclictest0-21swapper/111:15:131
72909960,2cyclictest0-21swapper/112:35:171
72909960,1cyclictest0-21swapper/110:45:151
72909960,1cyclictest0-21swapper/110:25:141
72789965,1cyclictest23225-21telnet11:05:090
72789965,1cyclictest22086-21apt-get07:40:010
72789965,1cyclictest17604-21expr12:00:130
72789964,1cyclictest9199-21/usr/sbin/munin08:20:130
72789964,1cyclictest9-21ksoftirqd/008:50:110
72789964,1cyclictest9-21ksoftirqd/008:30:000
72789964,1cyclictest7204-21perf09:25:000
72789964,1cyclictest707-21snmpd07:33:150
72789960,6cyclictest13345-21awk11:50:190
72789960,6cyclictest0-21swapper/008:40:140
72789960,5cyclictest10206-21munin-node07:15:000
72789960,0cyclictest0-21swapper/010:31:100
72789960,0cyclictest0-21swapper/010:20:010
72979955,0cyclictest0-21swapper/307:14:463
72979954,1cyclictest6279-21sshd08:11:313
72979954,1cyclictest35-21ksoftirqd/309:46:263
72979954,1cyclictest35-21ksoftirqd/309:35:143
72979954,1cyclictest35-21ksoftirqd/308:35:003
72979954,1cyclictest35-21ksoftirqd/307:45:103
72979954,1cyclictest20381-21cat12:05:153
72979954,1cyclictest17032-21gltestperf08:35:163
72979953,1cyclictest707-21snmpd11:28:463
72979953,1cyclictest3851-21grep11:30:153
72979953,1cyclictest27583-21strings10:05:173
72979953,1cyclictest11821-21hostname10:40:153
72979951,3cyclictest17749-21grep12:00:143
72979951,1cyclictest0-21swapper/310:25:103
72979950,5cyclictest0-21swapper/308:48:193
72979950,0cyclictest0-21swapper/309:50:573
72979950,0cyclictest0-21swapper/309:50:573
72949955,0cyclictest61650irq/122-eno109:30:132
72949955,0cyclictest61650irq/122-eno109:05:252
72949955,0cyclictest61650irq/122-eno107:20:162
72949954,1cyclictest61650irq/122-eno110:45:122
72949953,1cyclictest21200-21grep12:05:202
72949953,1cyclictest17948-21sed08:35:212
72949953,1cyclictest12443-21irqstats08:25:172
72949950,4cyclictest31019-21grep07:55:192
72949950,4cyclictest23453-21cut08:50:122
72949950,3cyclictest8906-21sensors_temp11:40:232
72949950,1cyclictest0-21swapper/210:00:112
72949950,1cyclictest0-21swapper/208:40:132
72909955,0cyclictest0-21swapper/110:50:151
72909953,1cyclictest19651-21chrt12:05:131
72909952,2cyclictest19737-21chrt07:35:001
72909951,3cyclictest877-21chrt12:34:001
72909951,2cyclictest0-21swapper/111:50:141
72909951,2cyclictest0-21swapper/110:00:011
72909950,5cyclictest0-21swapper/112:03:081
72909950,5cyclictest0-21swapper/111:59:371
72909950,5cyclictest0-21swapper/111:14:211
72909950,5cyclictest0-21swapper/110:18:501
72909950,5cyclictest0-21swapper/108:40:171
72909950,5cyclictest0-21swapper/108:38:041
72909950,5cyclictest0-21swapper/107:20:161
72909950,4cyclictest0-21swapper/109:25:001
72909950,3cyclictest0-21swapper/111:20:121
72909950,3cyclictest0-21swapper/107:40:161
72909950,2cyclictest0-21swapper/111:30:001
72909950,1cyclictest0-21swapper/108:50:121
72909950,0cyclictest0-21swapper/108:21:351
72789954,1cyclictest9-21ksoftirqd/009:00:120
72789954,1cyclictest9-21ksoftirqd/008:35:190
72789953,1cyclictest9-21ksoftirqd/010:35:130
72789953,1cyclictest26497-21/usr/sbin/munin10:05:110
72789953,1cyclictest19753-21cut12:05:120
72789951,2cyclictest0-21swapper/007:10:100
72789950,1cyclictest26281-21python07:45:190
72789950,0cyclictest0-21swapper/012:30:130
72979944,0cyclictest707-21snmpd11:52:443
72979942,1cyclictest3428-21find08:05:183
72979942,1cyclictest14935-21sort09:40:153
72909943,1cyclictest93172sleep107:11:421
72909942,1cyclictest0-21swapper/107:15:121
72909941,2cyclictest0-21swapper/112:10:121
72909940,4cyclictest0-21swapper/112:15:111
72909940,4cyclictest0-21swapper/110:03:281
72909940,4cyclictest0-21swapper/109:05:211
72909940,3cyclictest0-21swapper/110:10:121
72909940,2cyclictest0-21swapper/109:15:211
72909940,2cyclictest0-21swapper/107:55:111
72909940,1cyclictest0-21swapper/110:32:291
72909940,1cyclictest0-21swapper/107:25:121
72909940,0cyclictest0-21swapper/111:33:161
72909940,0cyclictest0-21swapper/111:05:171
72909940,0cyclictest0-21swapper/109:47:231
72909940,0cyclictest0-21swapper/109:36:161
72909940,0cyclictest0-21swapper/108:15:211
28700240,0sleep10-21swapper/109:00:151
72909931,1cyclictest0-21swapper/110:35:121
72909931,1cyclictest0-21swapper/107:35:141
72909930,3cyclictest13893-21taskset08:30:111
72909930,2cyclictest0-21swapper/109:50:111
72909930,2cyclictest0-21swapper/109:50:111
72909930,1cyclictest0-21swapper/108:25:151
72909930,1cyclictest0-21swapper/108:00:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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