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2025-12-16 - 00:13
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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 Dec 15, 2025 12:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
211272217152,52sleep20-21swapper/207:08:502
210802212157,43sleep10-21swapper/107:08:131
210692202156,32sleep00-21swapper/007:08:040
208762202157,31sleep30-21swapper/307:05:343
253462190,0sleep10-21swapper/109:30:181
21322991513,1cyclictest28-21ksoftirqd/210:10:002
72202140,0sleep36890-21/usr/sbin/munin07:45:113
21322991412,1cyclictest28-21ksoftirqd/211:55:012
21322991312,1cyclictest28-21ksoftirqd/209:55:142
21322991312,1cyclictest28-21ksoftirqd/208:35:012
21322991312,1cyclictest28-21ksoftirqd/208:10:172
21322991311,1cyclictest28-21ksoftirqd/211:10:152
2132299123,4cyclictest13131-21kworker/2:109:45:102
21322991211,1cyclictest28-21ksoftirqd/211:30:112
21322991210,1cyclictest28-21ksoftirqd/211:25:012
21322991210,1cyclictest28-21ksoftirqd/210:45:012
21322991210,1cyclictest28-21ksoftirqd/210:45:012
21311991210,1cyclictest9-21ksoftirqd/011:40:010
21330991110,1cyclictest35-21ksoftirqd/310:55:013
2132299119,1cyclictest28-21ksoftirqd/212:10:202
21322991110,1cyclictest28-21ksoftirqd/212:05:202
21322991110,1cyclictest28-21ksoftirqd/211:35:142
21322991110,1cyclictest28-21ksoftirqd/209:50:182
21322991110,0cyclictest28-21ksoftirqd/207:45:112
2131199119,1cyclictest9-21ksoftirqd/011:50:010
2132299109,1cyclictest28-21ksoftirqd/212:00:172
2132299109,1cyclictest28-21ksoftirqd/211:40:132
2132299109,1cyclictest271rcuc/208:00:142
2132299108,1cyclictest28-21ksoftirqd/212:25:192
2132299108,1cyclictest28-21ksoftirqd/212:15:172
2132299108,1cyclictest28-21ksoftirqd/208:40:012
213309998,1cyclictest35-21ksoftirqd/310:20:113
213309997,1cyclictest35-21ksoftirqd/307:38:583
213229998,1cyclictest28-21ksoftirqd/212:30:212
213229997,1cyclictest28-21ksoftirqd/212:00:012
213229997,1cyclictest28-21ksoftirqd/211:00:142
213229997,1cyclictest28-21ksoftirqd/210:55:022
213229997,1cyclictest28-21ksoftirqd/210:55:012
213229997,1cyclictest28-21ksoftirqd/209:45:012
213229997,1cyclictest28-21ksoftirqd/208:55:012
213229997,1cyclictest28-21ksoftirqd/208:55:012
213229997,1cyclictest28-21ksoftirqd/208:20:002
213229996,1cyclictest28-21ksoftirqd/212:40:012
213229994,3cyclictest61650irq/122-eno111:45:142
213119997,1cyclictest9-21ksoftirqd/012:35:010
213119995,2cyclictest30241-21munin-run08:35:010
213309987,1cyclictest35-21ksoftirqd/310:20:013
213309986,1cyclictest707-21snmpd11:03:133
213309986,1cyclictest707-21snmpd10:44:283
213309986,1cyclictest707-21snmpd10:25:543
213309986,1cyclictest707-21snmpd10:06:413
213309986,1cyclictest707-21snmpd08:30:173
213309986,1cyclictest707-21snmpd07:50:583
213229988,0cyclictest28-21ksoftirqd/209:30:252
213229988,0cyclictest28-21ksoftirqd/208:25:192
213229987,1cyclictest28-21ksoftirqd/212:20:112
213229987,1cyclictest28-21ksoftirqd/211:25:152
213229987,1cyclictest28-21ksoftirqd/211:15:162
213229987,1cyclictest28-21ksoftirqd/210:10:142
213229987,1cyclictest28-21ksoftirqd/209:15:002
213229987,1cyclictest28-21ksoftirqd/209:05:142
213229987,1cyclictest28-21ksoftirqd/208:25:002
213229987,1cyclictest28-21ksoftirqd/208:05:152
213229987,1cyclictest28-21ksoftirqd/207:55:112
213229987,1cyclictest28-21ksoftirqd/207:55:012
213229987,1cyclictest28-21ksoftirqd/207:20:152
213229987,1cyclictest28-21ksoftirqd/207:10:022
213229987,0cyclictest28-21ksoftirqd/209:20:122
213229986,1cyclictest28-21ksoftirqd/210:40:012
213229986,1cyclictest28-21ksoftirqd/210:20:172
213229986,1cyclictest28-21ksoftirqd/209:15:162
213229986,1cyclictest28-21ksoftirqd/207:35:012
213229986,1cyclictest28-21ksoftirqd/207:20:002
213229986,1cyclictest13131-21kworker/2:111:05:122
213229985,2cyclictest28-21ksoftirqd/209:40:012
213229985,1cyclictest240-21systemd-journal07:30:002
213229982,5cyclictest28-21ksoftirqd/208:55:142
213119986,1cyclictest9-21ksoftirqd/008:55:010
213119986,1cyclictest9-21ksoftirqd/008:55:010
213119986,1cyclictest707-21snmpd11:29:530
213119986,1cyclictest707-21snmpd11:13:350
213119986,1cyclictest707-21snmpd11:08:340
213119986,1cyclictest707-21snmpd09:37:490
213119986,1cyclictest707-21snmpd07:58:280
213119985,1cyclictest0-21swapper/009:40:130
213119980,7cyclictest28567-21apt11:55:120
213119980,4cyclictest23871-21sed07:15:000
213119980,4cyclictest1043-21latency_hist09:50:010
213309976,1cyclictest707-21snmpd11:05:043
213309976,1cyclictest707-21snmpd09:00:273
213309976,1cyclictest707-21snmpd08:58:543
213309976,1cyclictest35-21ksoftirqd/312:15:473
213309976,1cyclictest35-21ksoftirqd/311:30:013
213309976,1cyclictest35-21ksoftirqd/311:15:003
213309975,1cyclictest707-21snmpd09:22:073
213309975,1cyclictest707-21snmpd08:26:323
213309975,1cyclictest707-21snmpd08:22:053
213309975,1cyclictest707-21snmpd08:07:593
213309975,1cyclictest707-21snmpd07:34:553
213309975,1cyclictest35-21ksoftirqd/308:20:003
213309971,4cyclictest0-21swapper/309:35:153
213309971,2cyclictest0-21swapper/307:30:013
213229976,1cyclictest61650irq/122-eno110:30:152
213229976,1cyclictest28-21ksoftirqd/210:40:152
213229976,1cyclictest28-21ksoftirqd/209:00:192
213229975,1cyclictest707-21snmpd10:26:302
213229975,1cyclictest707-21snmpd09:27:192
213229975,1cyclictest28-21ksoftirqd/208:45:162
213229975,1cyclictest28-21ksoftirqd/207:45:012
213229972,4cyclictest28-21ksoftirqd/207:30:182
213149970,7cyclictest0-21swapper/108:25:191
213119976,1cyclictest9-21ksoftirqd/011:35:010
213119976,1cyclictest9-21ksoftirqd/011:00:190
213119976,1cyclictest733-21sshd09:07:580
213119975,1cyclictest707-21snmpd10:55:400
213119975,1cyclictest707-21snmpd08:23:530
213119975,1cyclictest27372-21ntp_states11:50:180
213119973,2cyclictest240-21systemd-journal10:09:080
213119973,2cyclictest240-21systemd-journal09:35:010
213119970,6cyclictest864-21apt12:05:120
213119970,6cyclictest8597-21ntp_kernel_err08:55:170
213119970,6cyclictest23815-21ntp_states10:35:180
213119970,6cyclictest22346-21ps08:15:180
213119970,6cyclictest18293-21expr10:25:130
213119970,6cyclictest1211-21hddtemp_smartct08:40:150
213119970,6cyclictest0-21swapper/009:25:120
213119970,6cyclictest0-21swapper/008:35:110
213119970,6cyclictest0-21swapper/007:25:130
213119970,4cyclictest21482-21perf09:25:010
213119970,1cyclictest4101-21diskstats09:55:140
213119970,1cyclictest26260-21df08:25:130
213119970,1cyclictest21503-21pmu-power10:30:190
213119970,1cyclictest10502-21memory11:15:170
213119970,1cyclictest0-21swapper/012:25:200
213119970,1cyclictest0-21swapper/009:00:190
213309965,1cyclictest707-21snmpd12:29:193
213309965,1cyclictest707-21snmpd12:23:043
213309965,1cyclictest707-21snmpd11:45:353
213309965,1cyclictest707-21snmpd09:18:463
213309965,1cyclictest707-21snmpd08:47:153
213309965,1cyclictest707-21snmpd08:37:543
213309965,1cyclictest6006-21cat08:50:153
213309965,1cyclictest6006-21cat08:50:153
213309965,1cyclictest5419-21cat07:40:163
213309965,1cyclictest35-21ksoftirqd/312:35:013
213309965,1cyclictest35-21ksoftirqd/311:30:013
213309965,1cyclictest35-21ksoftirqd/309:27:323
213309965,1cyclictest35-21ksoftirqd/307:15:013
213309965,1cyclictest339-21sshd12:01:563
213309964,1cyclictest707-21snmpd12:12:513
213309964,1cyclictest707-21snmpd11:24:233
213309964,1cyclictest13383-21ntpq09:05:183
213309963,1cyclictest548-21systemd-logind09:10:193
213309963,1cyclictest12758-21ntp_states07:55:173
213309961,3cyclictest0-21swapper/309:30:133
213309960,4cyclictest240-21systemd-journal10:14:553
213309960,3cyclictest0-21swapper/310:30:133
213309960,2cyclictest0-21swapper/309:45:163
213229965,1cyclictest28-21ksoftirqd/210:00:132
213229964,1cyclictest61650irq/122-eno108:40:142
213229960,6cyclictest0-21swapper/210:15:122
213149960,2cyclictest0-21swapper/111:50:011
213149960,2cyclictest0-21swapper/111:30:131
213149960,1cyclictest0-21swapper/109:00:121
213149960,0cyclictest0-21swapper/112:28:271
213149960,0cyclictest0-21swapper/111:05:181
213149960,0cyclictest0-21swapper/110:45:201
213149960,0cyclictest0-21swapper/110:45:201
213149960,0cyclictest0-21swapper/110:03:011
213149960,0cyclictest0-21swapper/109:12:521
213149960,0cyclictest0-21swapper/107:55:191
213149960,0cyclictest0-21swapper/107:27:331
213119965,1cyclictest9-21ksoftirqd/010:20:010
213119965,1cyclictest707-21snmpd12:04:270
213119964,1cyclictest9-21ksoftirqd/010:45:010
213119964,1cyclictest9-21ksoftirqd/008:00:140
213119964,1cyclictest707-21snmpd10:20:390
213119964,1cyclictest17422-21netstat08:05:180
213119964,1cyclictest11985-21aten_r1power_po11:20:130
213119960,6cyclictest0-21swapper/012:15:240
213119960,6cyclictest0-21swapper/011:43:240
213119960,6cyclictest0-21swapper/010:15:000
213119960,6cyclictest0-21swapper/007:50:150
213119960,6cyclictest0-21swapper/007:33:470
213119960,6cyclictest0-21swapper/007:20:510
213119960,6cyclictest0-21swapper/007:15:200
213119960,5cyclictest0-21swapper/009:18:130
213119960,5cyclictest0-21swapper/007:45:140
213119960,2cyclictest0-21swapper/008:45:130
213119960,0cyclictest0-21swapper/012:35:120
213119960,0cyclictest0-21swapper/012:20:120
213119960,0cyclictest0-21swapper/010:51:000
213119960,0cyclictest0-21swapper/010:00:120
213119960,0cyclictest0-21swapper/009:51:110
213119960,0cyclictest0-21swapper/009:12:150
213309955,0cyclictest0-21swapper/309:41:203
213309954,1cyclictest707-21snmpd10:35:153
213309954,1cyclictest707-21snmpd10:03:263
213309954,1cyclictest707-21snmpd08:12:143
213309954,1cyclictest35-21ksoftirqd/308:42:463
213309953,1cyclictest23334-21sed07:10:163
213309951,2cyclictest35-21ksoftirqd/312:05:203
213309950,5cyclictest0-21swapper/311:17:293
213309950,3cyclictest0-21swapper/310:45:123
213309950,3cyclictest0-21swapper/310:45:123
213309950,1cyclictest0-21swapper/312:35:123
213309950,0cyclictest0-21swapper/311:54:053
213149954,0cyclictest0-21swapper/112:35:121
213149952,1cyclictest0-21swapper/107:35:011
213149951,3cyclictest0-21swapper/108:30:111
213149951,2cyclictest0-21swapper/111:10:111
213149951,2cyclictest0-21swapper/109:55:121
213149950,5cyclictest0-21swapper/110:30:291
213149950,5cyclictest0-21swapper/110:06:311
213149950,5cyclictest0-21swapper/107:21:031
213149950,3cyclictest0-21swapper/109:09:241
213149950,3cyclictest0-21swapper/108:50:011
213149950,1cyclictest0-21swapper/111:50:121
213149950,1cyclictest0-21swapper/108:55:121
213149950,1cyclictest0-21swapper/108:50:111
213149950,1cyclictest0-21swapper/108:50:111
213149950,0cyclictest0-21swapper/112:00:011
213149950,0cyclictest0-21swapper/109:18:341
213119950,5cyclictest0-21swapper/012:10:200
213119950,5cyclictest0-21swapper/008:10:100
213119950,5cyclictest0-21swapper/007:41:180
213119950,0cyclictest0-21swapper/010:45:060
213119950,0cyclictest0-21swapper/010:45:060
213119950,0cyclictest0-21swapper/007:35:200
11105250,3sleep10-21swapper/107:51:551
213309943,1cyclictest28497-21sendmail_mailtr07:20:183
213309942,1cyclictest3856-21cpuspeed_turbos09:55:133
213309942,1cyclictest32487-21seq10:55:113
213309942,1cyclictest14194-21cat08:00:143
213309942,1cyclictest0-21swapper/311:40:113
213309940,1cyclictest240-21systemd-journal11:55:013
213309940,1cyclictest0-21swapper/311:35:123
213309940,1cyclictest0-21swapper/309:50:103
213149944,0cyclictest0-21swapper/112:10:221
213149944,0cyclictest0-21swapper/112:02:221
213149944,0cyclictest0-21swapper/110:58:271
213149944,0cyclictest0-21swapper/110:38:281
213149944,0cyclictest0-21swapper/110:22:301
213149944,0cyclictest0-21swapper/110:18:301
213149944,0cyclictest0-21swapper/109:42:331
213149944,0cyclictest0-21swapper/107:41:011
213149942,1cyclictest0-21swapper/112:20:001
213149942,1cyclictest0-21swapper/109:36:191
213149942,1cyclictest0-21swapper/109:30:011
213149941,1cyclictest0-21swapper/111:20:011
213149941,1cyclictest0-21swapper/110:50:011
213149941,1cyclictest0-21swapper/108:20:011
213149941,1cyclictest0-21swapper/108:14:081
213149941,0cyclictest0-21swapper/107:30:131
213149940,3cyclictest0-21swapper/107:15:151
213149940,2cyclictest0-21swapper/111:00:121
213149940,2cyclictest0-21swapper/110:40:141
213149940,2cyclictest0-21swapper/108:40:161
213149940,2cyclictest0-21swapper/108:15:171
213149940,2cyclictest0-21swapper/108:05:011
213149940,1cyclictest0-21swapper/112:33:411
213149940,1cyclictest0-21swapper/111:40:121
213149940,1cyclictest0-21swapper/111:25:141
213149940,1cyclictest0-21swapper/110:10:181
213149940,1cyclictest0-21swapper/109:50:131
213149940,1cyclictest0-21swapper/109:20:141
213149940,0cyclictest0-21swapper/110:25:201
213149933,0cyclictest0-21swapper/108:36:571
213149932,1cyclictest0-21swapper/112:24:551
213149932,1cyclictest0-21swapper/107:15:001
213149931,1cyclictest0-21swapper/108:05:161
213149930,3cyclictest0-21swapper/112:05:471
213149930,2cyclictest0-21swapper/111:15:171
213149930,2cyclictest0-21swapper/109:45:101
213149930,1cyclictest0-21swapper/111:35:121
213149930,1cyclictest0-21swapper/107:45:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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