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2026-04-26 - 02:24
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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 highest latencies:
System rack1slot1.osadl.org (updated Sun Apr 26, 2026 00:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
185302213150,21sleep20-21swapper/219:09:122
185922202164,24sleep00-21swapper/019:09:570
183182200161,25sleep30-21swapper/319:06:273
184222197160,24sleep10-21swapper/119:07:461
151652430,0sleep10-21swapper/121:55:141
1869799140,13cyclictest0-21swapper/221:50:122
1869299140,13cyclictest0-21swapper/121:50:171
1869299140,13cyclictest0-21swapper/119:25:211
313322130,0sleep20-21swapper/220:40:182
18697991311,1cyclictest28-21ksoftirqd/200:05:002
18684991312,1cyclictest9-21ksoftirqd/022:00:000
18697991211,1cyclictest28-21ksoftirqd/222:25:002
18697991210,1cyclictest28-21ksoftirqd/222:35:152
18684991211,1cyclictest9-21ksoftirqd/021:20:010
230862110,0sleep30-21swapper/320:25:123
1869799119,1cyclictest28-21ksoftirqd/221:36:012
1869799119,1cyclictest28-21ksoftirqd/200:22:002
18697991110,1cyclictest28-21ksoftirqd/200:34:052
1868499119,1cyclictest9-21ksoftirqd/019:54:590
1868499111,5cyclictest22560-21perf20:25:010
1868499111,5cyclictest22560-21perf20:25:000
1870599100,7cyclictest21045-21munin-node22:43:443
1869799109,1cyclictest28-21ksoftirqd/223:56:302
1869799109,1cyclictest28-21ksoftirqd/222:55:402
1869799109,1cyclictest28-21ksoftirqd/222:43:162
1869799109,1cyclictest28-21ksoftirqd/221:44:552
1869799109,1cyclictest28-21ksoftirqd/221:31:382
1869799109,1cyclictest28-21ksoftirqd/219:35:002
1869799109,1cyclictest28-21ksoftirqd/200:35:162
1869799100,6cyclictest0-21swapper/222:30:122
1869799100,5cyclictest11522-21diskmemload23:25:112
1868499104,5cyclictest9-21ksoftirqd/019:50:000
186979999,0cyclictest61650irq/122-eno121:25:112
186979999,0cyclictest0-21swapper/220:09:422
186979998,1cyclictest28-21ksoftirqd/223:15:172
186979998,1cyclictest28-21ksoftirqd/223:10:112
186979998,1cyclictest28-21ksoftirqd/221:15:102
186979998,1cyclictest28-21ksoftirqd/200:10:122
186979998,1cyclictest28-21ksoftirqd/200:05:142
186979997,1cyclictest271rcuc/222:25:142
186979990,8cyclictest0-21swapper/223:05:222
186849998,1cyclictest9-21ksoftirqd/020:39:590
186849997,1cyclictest9-21ksoftirqd/020:54:590
186849993,5cyclictest11522-21diskmemload22:34:590
186849991,4cyclictest7744-21perf23:55:010
186849990,3cyclictest0-21swapper/000:34:550
15943290,0sleep311522-21diskmemload23:21:043
187059986,1cyclictest17998-21snmpd22:29:023
187059986,1cyclictest17998-21snmpd22:17:093
187059986,1cyclictest17998-21snmpd21:04:073
187059986,1cyclictest17998-21snmpd20:39:173
187059986,1cyclictest17998-21snmpd20:04:133
187059986,1cyclictest17998-21snmpd19:32:513
187059983,4cyclictest0-21swapper/323:50:153
187059983,1cyclictest11522-21diskmemload00:13:183
187059981,4cyclictest0-21swapper/320:40:123
187059981,3cyclictest25108-21apt-get20:30:123
187059980,6cyclictest0-21swapper/319:45:183
187059980,4cyclictest0-21swapper/323:15:123
187059980,4cyclictest0-21swapper/322:24:573
186979988,0cyclictest0-21swapper/223:32:082
186979987,1cyclictest28-21ksoftirqd/223:50:472
186979987,1cyclictest28-21ksoftirqd/223:47:582
186979986,1cyclictest28-21ksoftirqd/223:40:342
186979986,1cyclictest28-21ksoftirqd/221:00:002
186979986,1cyclictest17998-21snmpd22:12:252
186979986,1cyclictest17998-21snmpd21:12:502
186979986,1cyclictest17998-21snmpd20:29:432
186979982,3cyclictest25290-21apt-get23:35:112
186979980,3cyclictest0-21swapper/220:10:122
186849988,0cyclictest9-21ksoftirqd/021:38:560
186849986,1cyclictest25013-21ssh21:25:200
186849986,1cyclictest17998-21snmpd21:20:270
186849986,1cyclictest17998-21snmpd19:28:090
186849986,1cyclictest17998-21snmpd19:20:020
186849986,1cyclictest17998-21snmpd19:20:010
186849981,6cyclictest23995-21ssh22:06:090
186849981,6cyclictest15922-21ssh23:20:590
186849981,1cyclictest9860-21ssh21:49:190
186849980,7cyclictest23790-21cat00:15:120
186849980,7cyclictest0-21swapper/023:10:170
187059977,0cyclictest35-21ksoftirqd/321:56:493
187059976,1cyclictest19135-21ssh21:19:373
187059975,1cyclictest32043-21ssh23:43:373
187059975,1cyclictest29087-21ssh00:20:433
187059975,1cyclictest24367-21ssh23:33:173
187059975,1cyclictest24332-21ssh22:07:053
187059975,1cyclictest17998-21snmpd20:48:113
187059975,1cyclictest17998-21snmpd19:50:293
187059975,1cyclictest17998-21snmpd19:42:273
187059975,1cyclictest17998-21snmpd19:21:323
187059975,1cyclictest17998-21snmpd19:21:313
187059975,1cyclictest14386-21ssh00:02:003
187059974,2cyclictest18679-21cyclictest22:11:303
187059973,2cyclictest571-21nscd00:05:263
187059973,2cyclictest11522-21diskmemload23:55:023
187059972,4cyclictest2282-21idleruntime-cro23:05:013
187059972,4cyclictest2282-21idleruntime-cro23:05:013
187059971,6cyclictest17998-21snmpd20:21:163
187059971,6cyclictest17998-21snmpd20:21:163
187059971,3cyclictest11522-21diskmemload21:30:263
187059970,4cyclictest2872-21apt-get21:40:103
187059970,1cyclictest0-21swapper/300:17:323
186979976,1cyclictest61650irq/122-eno122:50:182
186979976,1cyclictest61650irq/122-eno122:07:042
186979976,1cyclictest28-21ksoftirqd/222:45:132
186979976,1cyclictest28-21ksoftirqd/221:00:152
186979976,1cyclictest21055-21kworker/2:020:45:182
186979976,1cyclictest17998-21snmpd21:49:342
186979976,0cyclictest61650irq/122-eno123:00:132
186979976,0cyclictest61650irq/122-eno123:00:132
186979975,1cyclictest61650irq/122-eno119:55:112
186979975,1cyclictest61650irq/122-eno100:15:112
186979975,1cyclictest28-21ksoftirqd/220:15:142
186979975,1cyclictest28-21ksoftirqd/200:25:172
186979975,1cyclictest21055-21kworker/2:020:30:182
186979975,1cyclictest17998-21snmpd22:15:012
186979975,1cyclictest17998-21snmpd22:00:102
186979972,3cyclictest27471-21hostname19:25:162
186979970,7cyclictest0-21swapper/223:20:112
186979970,6cyclictest0-21swapper/219:41:542
186929976,1cyclictest0-21swapper/100:10:181
186929970,7cyclictest0-21swapper/122:13:161
186929970,4cyclictest0-21swapper/100:38:551
186929970,3cyclictest0-21swapper/123:04:041
186929970,3cyclictest0-21swapper/123:04:041
186849977,0cyclictest14507-21sensors20:05:200
186849976,1cyclictest9-21ksoftirqd/022:10:220
186849976,1cyclictest17998-21snmpd23:36:290
186849975,1cyclictest6124-1kworker/u9:223:55:110
186849975,1cyclictest27746-21cstates22:55:140
186849975,1cyclictest21063-21cat19:15:010
186849975,1cyclictest16293-21df00:05:150
186849975,1cyclictest1572-21ssh23:03:040
186849975,1cyclictest1572-21ssh23:03:030
186849975,1cyclictest10503-21munin-run20:00:000
186849974,1cyclictest11522-21diskmemload22:36:430
186849972,1cyclictest0-21swapper/020:25:190
186849971,5cyclictest3760-21ssh21:40:150
186849971,5cyclictest21515-21ssh23:30:130
186849971,2cyclictest23865-21sort22:50:120
186849971,1cyclictest8122-21dump-pmu-power22:30:000
186849971,1cyclictest11522-21diskmemload23:25:200
186849970,6cyclictest29623-21aten_r1power_vo22:15:120
186849970,6cyclictest18193-21ssh22:00:130
186849970,6cyclictest15013-21ssh21:14:090
186849970,6cyclictest11608-21ntp_states21:50:180
186849970,6cyclictest11522-21diskmemload00:10:170
186849970,6cyclictest0-21swapper/023:05:530
186849970,6cyclictest0-21swapper/022:20:150
186849970,6cyclictest0-21swapper/020:55:120
186849970,1cyclictest7198-21ssh00:35:190
186849970,1cyclictest31071-21ssh23:40:550
186849970,1cyclictest27854-21fschecks_time00:20:160
186849970,1cyclictest20520-21ssh22:45:150
186849970,1cyclictest13194-21ssh23:18:540
186849970,1cyclictest12509-21cstates00:00:130
186849970,1cyclictest0-21swapper/021:30:210
2236263,1sleep335-21ksoftirqd/300:30:083
187059965,1cyclictest923-21ssh21:35:313
187059965,1cyclictest8920-21ssh23:12:313
187059965,1cyclictest2691-21ssh23:46:413
187059965,1cyclictest26215-21ssh23:35:143
187059965,1cyclictest26010-21ssh21:26:593
187059965,1cyclictest20368-21ssh22:45:153
187059965,1cyclictest18910-21cat20:15:153
187059965,1cyclictest13738-21ssh21:10:503
187059964,1cyclictest35-21ksoftirqd/319:14:443
187059964,1cyclictest26430-21ssh22:53:103
187059964,1cyclictest20495-21ssh22:01:533
187059964,1cyclictest17998-21snmpd22:55:183
187059964,1cyclictest17998-21snmpd21:50:373
187059964,1cyclictest17998-21snmpd21:46:573
187059964,1cyclictest17998-21snmpd19:38:203
187059963,1cyclictest240-21systemd-journal21:10:003
187059962,3cyclictest11522-21diskmemload23:05:163
187059961,4cyclictest21022-21which21:20:203
187059961,2cyclictest7058-21memory00:35:183
187059961,2cyclictest14781-21unixbench_multi20:05:223
187059960,6cyclictest0-21swapper/322:38:153
187059960,3cyclictest0-21swapper/323:25:243
187059960,1cyclictest0-21swapper/300:27:083
186979966,0cyclictest61650irq/122-eno121:20:142
186979966,0cyclictest61650irq/122-eno119:45:162
186979966,0cyclictest61650irq/122-eno119:21:562
186979966,0cyclictest61650irq/122-eno119:21:552
186979965,1cyclictest28-21ksoftirqd/221:55:112
186979965,1cyclictest28-21ksoftirqd/219:15:012
186979965,1cyclictest21055-21kworker/2:019:35:172
186979965,1cyclictest20046-21ntpq19:10:182
186979964,1cyclictest61650irq/122-eno121:05:142
186979964,1cyclictest28-21ksoftirqd/220:20:122
186979964,1cyclictest28-21ksoftirqd/220:20:122
186979964,1cyclictest17998-21snmpd20:35:052
186979961,4cyclictest2321-21apt-get20:50:112
186929961,3cyclictest0-21swapper/121:50:001
186929960,6cyclictest0-21swapper/123:46:301
186929960,6cyclictest0-21swapper/123:25:061
186929960,6cyclictest0-21swapper/122:47:381
186929960,6cyclictest0-21swapper/122:00:061
186929960,6cyclictest0-21swapper/121:16:031
186929960,6cyclictest0-21swapper/121:03:311
186929960,6cyclictest0-21swapper/119:47:331
186929960,5cyclictest0-21swapper/121:40:141
186929960,5cyclictest0-21swapper/121:20:081
186929960,4cyclictest0-21swapper/123:13:451
186929960,1cyclictest0-21swapper/119:44:231
186849965,1cyclictest31038-21memory20:40:160
186849965,1cyclictest2455-21ntpq19:40:170
186849965,1cyclictest17998-21snmpd19:30:450
186849964,1cyclictest17998-21snmpd19:36:080
186849964,1cyclictest11082-21cstates20:00:160
186849963,2cyclictest18270-21chrt20:15:130
186849960,6cyclictest0-21swapper/022:40:140
186849960,6cyclictest0-21swapper/019:17:330
186849960,5cyclictest9983-1kworker/u9:000:25:200
186849960,5cyclictest32388-21/usr/sbin/munin20:45:160
186849960,5cyclictest1537-21ssh23:45:170
186849960,1cyclictest0-21swapper/020:30:190
186849960,0cyclictest0-21swapper/021:00:140
187059955,0cyclictest6002-21kworker/3:220:11:103
187059955,0cyclictest32716-21kworker/3:119:26:263
187059953,1cyclictest5578-21irqstats20:55:163
187059953,1cyclictest17998-21snmpd20:52:383
187059953,1cyclictest11522-21diskmemload22:30:083
187059951,1cyclictest23207-21/usr/sbin/munin19:15:203
187059950,2cyclictest0-21swapper/319:55:103
186979954,1cyclictest28-21ksoftirqd/220:00:142
186979953,1cyclictest6033-21basename19:50:122
186929955,0cyclictest0-21swapper/122:51:421
186929955,0cyclictest0-21swapper/121:26:001
186929955,0cyclictest0-21swapper/100:23:111
186929955,0cyclictest0-21swapper/100:16:071
186929953,1cyclictest4664-21chrt20:55:071
186929953,1cyclictest0-21swapper/120:35:151
186929951,3cyclictest0-21swapper/100:03:351
186929950,5cyclictest0-21swapper/123:55:061
186929950,5cyclictest0-21swapper/123:41:251
186929950,5cyclictest0-21swapper/123:21:301
186929950,5cyclictest0-21swapper/120:20:461
186929950,5cyclictest0-21swapper/120:20:461
186929950,5cyclictest0-21swapper/119:37:351
186929950,5cyclictest0-21swapper/100:06:161
186929950,4cyclictest0-21swapper/123:05:151
186929950,4cyclictest0-21swapper/122:27:591
186929950,4cyclictest0-21swapper/122:20:121
186929950,3cyclictest0-21swapper/123:35:131
186929950,3cyclictest0-21swapper/122:31:011
186929950,3cyclictest0-21swapper/121:35:141
186929950,2cyclictest0-21swapper/122:05:181
186929950,2cyclictest0-21swapper/100:25:261
186929950,1cyclictest0-21swapper/123:15:111
186929950,1cyclictest0-21swapper/122:40:161
186929950,1cyclictest0-21swapper/121:30:151
186929950,1cyclictest0-21swapper/121:10:121
186929950,1cyclictest0-21swapper/120:05:131
186929950,0cyclictest0-21swapper/100:31:111
186849950,5cyclictest0-21swapper/021:05:120
186849950,0cyclictest0-21swapper/020:10:120
186929944,0cyclictest0-21swapper/119:19:341
186929942,1cyclictest19392-21chrt19:10:131
186929941,1cyclictest0-21swapper/123:30:291
186929940,4cyclictest0-21swapper/123:50:181
186929940,4cyclictest0-21swapper/121:07:091
186929940,3cyclictest0-21swapper/122:38:071
186929940,3cyclictest0-21swapper/120:15:181
186929940,3cyclictest0-21swapper/119:55:001
186929940,3cyclictest0-21swapper/119:25:011
186929940,3cyclictest0-21swapper/119:25:011
186929940,2cyclictest0-21swapper/122:15:231
186929940,2cyclictest0-21swapper/120:50:121
186929940,2cyclictest0-21swapper/120:40:121
186929940,2cyclictest0-21swapper/120:25:131
186929940,2cyclictest0-21swapper/119:30:121
186929940,1cyclictest0-21swapper/120:10:191
186929940,1cyclictest0-21swapper/119:55:121
186929940,0cyclictest0-21swapper/122:55:191
186929932,1cyclictest268702sleep120:30:361
186929931,1cyclictest0-21swapper/120:45:121
186929931,1cyclictest0-21swapper/120:00:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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