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2026-04-22 - 23:45
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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 all highest latencies:
System rack1slot1.osadl.org (updated Wed Apr 22, 2026 12:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
283252211149,49sleep00-21swapper/007:08:160
284032199160,25sleep10-21swapper/107:09:181
282912199159,26sleep30-21swapper/307:07:513
284392198158,26sleep20-21swapper/207:09:472
157502580,0sleep30-21swapper/311:09:013
29202180,0sleep10-21swapper/108:30:151
7512140,0sleep10-21swapper/110:49:281
28530991311,1cyclictest28-21ksoftirqd/210:40:002
2852999130,12cyclictest0-21swapper/108:20:151
2852899133,5cyclictest27775-21perf10:00:000
28528991210,1cyclictest9-21ksoftirqd/007:30:010
53162110,0sleep20-21swapper/208:35:132
28530991110,1cyclictest28-21ksoftirqd/207:25:002
28528991110,1cyclictest9-21ksoftirqd/012:30:130
28528991110,1cyclictest9-21ksoftirqd/011:55:150
28528991110,1cyclictest9-21ksoftirqd/010:50:130
2853499100,4cyclictest557-21irqbalance12:10:563
2853099109,1cyclictest28-21ksoftirqd/209:15:002
2853099108,1cyclictest28-21ksoftirqd/209:10:002
2853099108,1cyclictest28-21ksoftirqd/209:00:132
2853099101,5cyclictest30899-21munin-node11:27:052
2852899109,1cyclictest9-21ksoftirqd/011:35:140
2852899108,1cyclictest9-21ksoftirqd/012:20:130
2852899108,1cyclictest9-21ksoftirqd/009:55:000
285349998,1cyclictest35-21ksoftirqd/311:05:003
285309998,1cyclictest28-21ksoftirqd/208:05:002
285309997,1cyclictest28-21ksoftirqd/209:45:112
285309994,4cyclictest61650irq/122-eno109:35:022
285309990,6cyclictest927-21kworker/u8:210:07:012
285299990,4cyclictest0-21swapper/109:15:121
285289998,1cyclictest9-21ksoftirqd/011:31:500
285289998,1cyclictest9-21ksoftirqd/011:15:000
285289998,1cyclictest9-21ksoftirqd/009:30:000
285289997,1cyclictest9-21ksoftirqd/011:00:140
285289997,1cyclictest9-21ksoftirqd/009:10:000
285289995,2cyclictest9-21ksoftirqd/008:00:160
285289993,5cyclictest10984-21perf07:40:000
285289991,7cyclictest16248-21/usr/sbin/munin12:35:110
285289990,4cyclictest14317-21perf10:25:000
285349987,1cyclictest35-21ksoftirqd/308:15:003
285349985,1cyclictest13650irq/124-ahci[0011:44:553
285349981,1cyclictest0-21swapper/308:55:143
285349980,3cyclictest0-21swapper/308:30:123
285309988,0cyclictest0-21swapper/212:28:402
285309987,1cyclictest28-21ksoftirqd/210:45:122
285309987,1cyclictest28-21ksoftirqd/210:34:442
285309986,1cyclictest61650irq/122-eno111:43:262
285309986,1cyclictest61650irq/122-eno110:25:112
285309981,3cyclictest0-21swapper/210:10:182
285299981,2cyclictest0-21swapper/111:10:131
285289988,0cyclictest9-21ksoftirqd/008:15:180
285289987,1cyclictest9-21ksoftirqd/011:25:000
285289987,1cyclictest9-21ksoftirqd/010:30:000
285289987,1cyclictest9-21ksoftirqd/009:10:130
285289987,1cyclictest9-21ksoftirqd/008:05:140
285289986,1cyclictest9-21ksoftirqd/011:15:140
285289986,1cyclictest9-21ksoftirqd/009:50:000
285289986,1cyclictest9-21ksoftirqd/008:25:010
285289986,1cyclictest17998-21snmpd07:17:110
285289982,5cyclictest13430-21taskset08:50:180
285289981,6cyclictest7235-21cpuspeed_turbos10:15:120
285289981,3cyclictest21234-21diskmemload09:19:050
285289981,3cyclictest14003-21perf11:50:000
285289980,4cyclictest16495-21latency_hist09:00:000
285349976,1cyclictest35-21ksoftirqd/311:40:003
285349976,1cyclictest17998-21snmpd12:01:443
285349975,1cyclictest28321-21ssh09:18:203
285349975,1cyclictest21234-21diskmemload09:55:193
285349975,1cyclictest17998-21snmpd08:37:323
285349975,0cyclictest13650irq/124-ahci[0008:09:543
285349971,5cyclictest30530-21ssh10:45:133
285349971,5cyclictest1-21systemd12:00:003
285349970,6cyclictest2725-1kworker/u9:109:29:393
285349970,6cyclictest15056-21ssh12:32:313
285349970,6cyclictest1306-21ssh10:05:453
285349970,3cyclictest0-21swapper/312:25:083
285309976,1cyclictest61650irq/122-eno112:35:142
285309976,1cyclictest61650irq/122-eno111:33:492
285309976,1cyclictest61650irq/122-eno111:10:002
285309976,1cyclictest61650irq/122-eno109:41:102
285309976,1cyclictest28-21ksoftirqd/212:25:002
285309976,1cyclictest17998-21snmpd07:37:242
285309976,0cyclictest61650irq/122-eno111:50:212
285309976,0cyclictest61650irq/122-eno109:25:172
285309975,1cyclictest61650irq/122-eno111:56:392
285309975,1cyclictest61650irq/122-eno109:30:162
285309975,1cyclictest17998-21snmpd07:30:532
285309973,1cyclictest21234-21diskmemload09:19:042
285309971,5cyclictest0-21swapper/210:23:172
285309971,4cyclictest23740-21apt-get09:55:012
285309971,2cyclictest0-21swapper/211:35:112
285309970,3cyclictest561-21nscd09:53:102
285299971,6cyclictest0-21swapper/107:57:211
285299971,3cyclictest0-21swapper/110:35:131
285299971,3cyclictest0-21swapper/108:45:011
285299970,4cyclictest0-21swapper/112:20:211
285299970,4cyclictest0-21swapper/112:13:341
285299970,4cyclictest0-21swapper/112:03:291
285299970,3cyclictest0-21swapper/110:10:191
285299970,1cyclictest0-21swapper/108:50:471
285289976,1cyclictest9-21ksoftirqd/010:35:110
285289975,1cyclictest17998-21snmpd08:13:340
285289972,1cyclictest12613-21/usr/sbin/munin11:05:170
285289971,6cyclictest6891-21ssh10:55:320
285289971,5cyclictest27293-21ntp_states10:40:190
285289970,7cyclictest0-21swapper/011:40:210
285289970,6cyclictest6705-21tr07:30:120
285289970,6cyclictest4843-21cat08:35:010
285289970,6cyclictest3100-21ssh10:10:010
285289970,6cyclictest27692-21ssh11:25:010
285289970,6cyclictest27492-21ssh12:05:360
285289970,6cyclictest2215-21ssh10:08:130
285289970,6cyclictest20455-21ssh10:31:150
285289970,6cyclictest17378-21ls07:50:180
285289970,6cyclictest0-21swapper/010:00:100
285289970,6cyclictest0-21swapper/009:35:110
285289970,1cyclictest409-21ssh12:14:560
285289970,1cyclictest14247-21ssh11:50:110
285289970,1cyclictest0-21swapper/012:15:200
285289970,1cyclictest0-21swapper/010:45:110
285289970,1cyclictest0-21swapper/009:30:150
285349965,1cyclictest9969-21ntpq07:35:163
285349965,1cyclictest9230-21ssh10:16:423
285349965,1cyclictest4711-21ssh12:20:073
285349965,1cyclictest30615-21diskstats08:20:143
285349965,1cyclictest3056-21ssh10:50:233
285349965,1cyclictest28370-21ssh12:08:023
285349965,1cyclictest27712-21ssh11:25:043
285349965,1cyclictest26447-21ssh11:22:123
285349965,1cyclictest26074-21ssh10:40:073
285349965,1cyclictest23562-21ssh09:11:213
285349965,1cyclictest22716-21ssh11:17:223
285349965,1cyclictest19985-21cat09:05:143
285349965,1cyclictest18976-21ssh12:37:543
285349965,1cyclictest18420-21ssh09:45:493
285349965,1cyclictest17998-21snmpd10:34:003
285349965,1cyclictest17998-21snmpd10:21:203
285349965,1cyclictest17998-21snmpd08:17:403
285349965,1cyclictest17998-21snmpd08:03:363
285349965,1cyclictest17998-21snmpd07:48:003
285349965,1cyclictest17998-21snmpd07:26:323
285349965,1cyclictest17141-21ssh10:27:323
285349965,1cyclictest12906-21cat08:50:143
285349965,1cyclictest1283-21ssh11:31:203
285349965,1cyclictest12664-21ssh11:46:263
285349965,1cyclictest12070-21cat07:40:143
285349965,1cyclictest11322-21ssh09:37:093
285349964,1cyclictest12649-21ssh09:40:063
285349963,2cyclictest7324-21apt-get08:40:123
285349962,1cyclictest29310-21apt-get09:20:103
285349962,1cyclictest21234-21diskmemload11:12:503
285349961,2cyclictest0-21swapper/310:35:113
285349960,2cyclictest0-21swapper/310:55:113
285349960,1cyclictest0-21swapper/310:00:113
285309966,0cyclictest61650irq/122-eno112:30:152
285309966,0cyclictest61650irq/122-eno112:11:222
285309966,0cyclictest61650irq/122-eno112:05:582
285309966,0cyclictest61650irq/122-eno112:00:122
285309966,0cyclictest61650irq/122-eno111:20:112
285309966,0cyclictest61650irq/122-eno111:15:092
285309966,0cyclictest61650irq/122-eno110:15:042
285309966,0cyclictest61650irq/122-eno108:45:042
285309966,0cyclictest61650irq/122-eno108:45:042
285309966,0cyclictest61650irq/122-eno108:43:042
285309966,0cyclictest61650irq/122-eno108:32:262
285309966,0cyclictest61650irq/122-eno107:54:552
285309965,1cyclictest61650irq/122-eno111:45:102
285309965,1cyclictest61650irq/122-eno110:40:162
285309965,1cyclictest3675-21ssh10:52:062
285309965,1cyclictest28-21ksoftirqd/208:55:122
285309965,1cyclictest28-21ksoftirqd/207:55:122
285309965,1cyclictest28-21ksoftirqd/207:45:002
285309965,1cyclictest28-21ksoftirqd/207:15:002
285309965,0cyclictest61650irq/122-eno107:25:112
285309964,1cyclictest61650irq/122-eno108:25:132
285309964,1cyclictest61650irq/122-eno107:45:172
285309964,1cyclictest4978-21sshd10:55:032
285309964,1cyclictest28-21ksoftirqd/210:00:092
285309964,1cyclictest28-21ksoftirqd/208:15:132
285309964,1cyclictest0-21swapper/211:11:222
285309962,3cyclictest30502-21ntp_states09:20:162
285309962,3cyclictest22964-21/usr/sbin/munin08:05:192
285309960,6cyclictest0-21swapper/208:20:072
285309960,5cyclictest9044-21/usr/sbin/munin11:00:132
285309960,4cyclictest0-21swapper/212:15:032
285309960,3cyclictest13705-21/usr/sbin/munin08:50:202
285299962,4cyclictest0-21swapper/109:10:191
285299960,6cyclictest0-21swapper/112:37:151
285299960,6cyclictest0-21swapper/112:15:321
285299960,6cyclictest0-21swapper/111:56:471
285299960,6cyclictest0-21swapper/111:09:091
285299960,6cyclictest0-21swapper/111:00:271
285299960,6cyclictest0-21swapper/110:27:271
285299960,6cyclictest0-21swapper/108:12:351
285299960,6cyclictest0-21swapper/108:01:541
285299960,6cyclictest0-21swapper/107:23:591
285299960,5cyclictest0-21swapper/110:15:141
285299960,5cyclictest0-21swapper/109:24:581
285299960,5cyclictest0-21swapper/108:35:151
285299960,4cyclictest0-21swapper/112:33:381
285299960,3cyclictest0-21swapper/110:05:131
285299960,3cyclictest0-21swapper/109:31:261
285299960,2cyclictest0-21swapper/110:53:051
285299960,1cyclictest0-21swapper/111:54:451
285299960,1cyclictest0-21swapper/111:48:581
285299960,1cyclictest0-21swapper/109:49:311
285299960,1cyclictest0-21swapper/109:40:151
285299960,1cyclictest0-21swapper/109:35:131
285299960,1cyclictest0-21swapper/109:25:151
285299960,1cyclictest0-21swapper/109:01:081
285299960,1cyclictest0-21swapper/107:30:051
285299960,0cyclictest0-21swapper/107:10:191
285289965,1cyclictest9-21ksoftirqd/009:40:110
285289965,1cyclictest9-21ksoftirqd/007:50:000
285289961,2cyclictest0-21swapper/008:45:100
285289961,2cyclictest0-21swapper/008:45:100
285289960,6cyclictest7060-1kworker/u9:112:25:110
285289960,6cyclictest0-21swapper/009:20:060
285289960,5cyclictest0-21swapper/007:10:060
285289960,0cyclictest0-21swapper/012:00:060
285289960,0cyclictest0-21swapper/008:40:110
285289960,0cyclictest0-21swapper/008:34:230
285289960,0cyclictest0-21swapper/008:28:280
285289960,0cyclictest0-21swapper/007:55:150
285289960,0cyclictest0-21swapper/007:40:170
285289960,0cyclictest0-21swapper/007:20:110
285349955,0cyclictest14221-21ssh11:50:063
285349954,1cyclictest7367-21ssh09:32:013
285349953,1cyclictest31558-21kernelversion07:15:003
285349951,3cyclictest0-21swapper/307:30:113
285349951,2cyclictest21234-21diskmemload12:15:083
285349950,5cyclictest0-21swapper/310:10:073
285349950,5cyclictest0-21swapper/307:12:013
285349950,3cyclictest0-21swapper/309:50:233
285349950,2cyclictest0-21swapper/307:20:123
285349950,1cyclictest9756-21/usr/sbin/munin08:45:113
285349950,1cyclictest9756-21/usr/sbin/munin08:45:113
285309955,0cyclictest61650irq/122-eno107:10:042
285309950,5cyclictest0-21swapper/208:10:142
285299952,2cyclictest0-21swapper/111:20:111
285299951,4cyclictest0-21swapper/107:17:071
285299950,5cyclictest0-21swapper/110:20:561
285299950,4cyclictest0-21swapper/107:30:001
285299950,3cyclictest0-21swapper/111:15:111
285299950,3cyclictest0-21swapper/109:50:131
285299950,2cyclictest0-21swapper/112:25:141
285299950,2cyclictest0-21swapper/111:25:211
285299950,2cyclictest0-21swapper/110:55:141
285299950,2cyclictest0-21swapper/110:32:071
285299950,2cyclictest0-21swapper/108:05:111
285299950,2cyclictest0-21swapper/107:50:101
285299950,1cyclictest0-21swapper/111:41:021
285299950,1cyclictest0-21swapper/111:39:251
285299950,1cyclictest0-21swapper/111:30:061
285299950,1cyclictest0-21swapper/109:05:151
285299950,1cyclictest0-21swapper/108:56:571
285299950,0cyclictest0-21swapper/112:05:161
285289950,4cyclictest0-21swapper/009:00:120
28454250,0sleep10-21swapper/110:41:561
285349944,0cyclictest18157-21sensors09:00:193
285349943,1cyclictest17376-21expr07:50:183
285349942,1cyclictest19028-21grep07:55:143
285349941,1cyclictest240-21systemd-journal08:30:003
285299944,0cyclictest0-21swapper/108:45:031
285299944,0cyclictest0-21swapper/108:45:031
285299942,1cyclictest0-21swapper/108:25:121
285299940,3cyclictest12972-21taskset07:40:571
285299940,3cyclictest0-21swapper/108:15:191
285299940,3cyclictest0-21swapper/107:35:111
285299940,2cyclictest0-21swapper/110:00:071
285299940,1cyclictest0-21swapper/109:56:131
285299930,0cyclictest0-21swapper/107:45:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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