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2026-05-27 - 14:45
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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 the highest latencies:
System rack1slot1.osadl.org (updated Wed May 27, 2026 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320692218153,21sleep00-21swapper/007:07:540
318952212150,22sleep20-21swapper/207:05:382
318912212160,26sleep30-21swapper/307:05:353
322192201164,24sleep10-21swapper/107:09:511
43502790,0sleep20-21swapper/211:35:012
225652790,0sleep10-21swapper/111:15:131
27862680,2sleep121-21ksoftirqd/110:05:121
318362610,0sleep00-21swapper/011:26:570
32338991614,1cyclictest4962-21expr09:25:143
166302160,0sleep00-21swapper/009:40:110
32338991511,4cyclictest0-21swapper/310:57:283
3233899144,2cyclictest32752-21df_inode10:45:123
32338991413,1cyclictest18385-21grep12:35:203
32338991412,1cyclictest14609-21apt-get11:05:093
32338991412,1cyclictest0-21swapper/311:45:163
32338991412,1cyclictest0-21swapper/309:05:133
32338991411,2cyclictest18995-21ssh11:54:503
3233899139,3cyclictest30483-21ssh09:59:253
3233899133,9cyclictest25314-21df_inode10:35:123
3233899133,9cyclictest20561-21ssh10:29:503
3233899133,9cyclictest12685-21taskset12:29:303
3233899133,9cyclictest12118-21ntp_states11:00:163
32338991312,1cyclictest3351-21ssh09:22:203
32338991312,1cyclictest31246-21ssh09:15:503
32338991312,1cyclictest25159-21diskmemload11:23:373
32338991312,1cyclictest0-21swapper/309:35:163
32338991311,1cyclictest1674-21aten_r1power_fr08:20:113
32338991311,1cyclictest16673-21df09:40:123
32338991311,1cyclictest1002-21nscd10:44:393
3232199131,9cyclictest0-21swapper/108:05:111
32317991312,1cyclictest9-21ksoftirqd/008:15:000
3233899123,7cyclictest17309-21apt-get07:45:113
3233899123,4cyclictest2922-21irqstats12:15:143
3233899123,2cyclictest1029-21snmpd10:11:303
3233899123,1cyclictest26722-21/usr/sbin/munin08:05:003
3233899122,9cyclictest20722-21/usr/sbin/munin09:00:123
32338991211,1cyclictest26943-21apt-get08:05:113
32338991211,1cyclictest25159-21diskmemload12:13:383
32338991211,1cyclictest25159-21diskmemload11:13:113
32338991210,1cyclictest5194-21/usr/sbin/munin08:25:193
32338991210,1cyclictest15962-21apt-get08:50:123
32338991210,1cyclictest0-21swapper/307:40:113
32317991211,1cyclictest9-21ksoftirqd/011:15:000
32317991210,1cyclictest9-21ksoftirqd/011:50:000
32317991210,1cyclictest9-21ksoftirqd/010:05:180
3233899119,1cyclictest28446-21python12:05:213
3233899119,1cyclictest25159-21diskmemload10:22:523
3233899118,2cyclictest0-21swapper/311:57:593
3233899112,8cyclictest693-21runrttasks07:26:103
3233899112,8cyclictest518-21runrttasks10:00:503
3233899112,1cyclictest8343-21ssh12:22:423
3233899112,1cyclictest25159-21diskmemload11:43:563
32338991110,1cyclictest25159-21diskmemload12:34:383
32338991110,1cyclictest25159-21diskmemload11:36:113
32338991110,1cyclictest25159-21diskmemload11:30:053
32338991110,1cyclictest25159-21diskmemload10:06:163
32338991110,1cyclictest25159-21diskmemload09:50:513
32338991110,1cyclictest25159-21diskmemload09:50:513
32338991110,1cyclictest0-21swapper/311:25:203
32338991110,1cyclictest0-21swapper/311:18:463
32338991110,1cyclictest0-21swapper/309:45:443
32338991110,1cyclictest0-21swapper/309:33:283
32317991111,0cyclictest0-21swapper/008:55:120
32317991110,1cyclictest9-21ksoftirqd/010:45:130
32317991110,1cyclictest9-21ksoftirqd/009:25:200
3233899109,1cyclictest25159-21diskmemload10:16:083
3233899109,1cyclictest25159-21diskmemload09:13:073
3233899109,1cyclictest25159-21diskmemload09:13:073
3233899109,1cyclictest0-21swapper/308:45:103
3233899109,1cyclictest0-21swapper/308:30:003
3233899109,1cyclictest0-21swapper/307:35:133
3233899109,1cyclictest0-21swapper/307:20:123
3233899104,4cyclictest0-21swapper/307:55:183
3233899102,8cyclictest0-21swapper/312:00:113
3233899101,1cyclictest23412-21diskmemload10:32:253
3232999100,4cyclictest25159-21diskmemload10:25:132
3231799109,1cyclictest9-21ksoftirqd/012:00:090
3231799109,1cyclictest9-21ksoftirqd/011:05:110
3231799109,1cyclictest9-21ksoftirqd/009:30:190
3231799107,2cyclictest9-21ksoftirqd/008:00:000
323389996,2cyclictest996-21irqstats07:10:143
323389991,8cyclictest35-21ksoftirqd/310:50:083
323389991,8cyclictest35-21ksoftirqd/308:55:043
323389991,8cyclictest35-21ksoftirqd/308:40:033
323389991,8cyclictest35-21ksoftirqd/308:35:323
323389991,8cyclictest35-21ksoftirqd/308:15:443
323389991,8cyclictest35-21ksoftirqd/308:10:223
323389991,8cyclictest35-21ksoftirqd/307:50:113
323389991,8cyclictest35-21ksoftirqd/307:30:103
323389991,8cyclictest35-21ksoftirqd/307:15:063
323299998,1cyclictest28-21ksoftirqd/207:55:002
323219990,5cyclictest0-21swapper/111:51:331
323179999,0cyclictest9-21ksoftirqd/010:30:110
323179998,1cyclictest9-21ksoftirqd/012:30:120
323179998,1cyclictest9-21ksoftirqd/012:25:140
323179998,1cyclictest9-21ksoftirqd/011:55:120
323179998,1cyclictest9-21ksoftirqd/010:55:130
323179998,1cyclictest9-21ksoftirqd/010:15:000
323179998,1cyclictest9-21ksoftirqd/009:45:120
323179998,1cyclictest9-21ksoftirqd/008:35:120
323179998,1cyclictest9-21ksoftirqd/007:25:000
323179997,1cyclictest9-21ksoftirqd/011:50:130
323179997,1cyclictest9-21ksoftirqd/010:35:190
323179997,1cyclictest9-21ksoftirqd/007:54:320
323299988,0cyclictest0-21swapper/210:33:072
323299986,1cyclictest61650irq/122-eno110:55:202
323299986,1cyclictest61650irq/122-eno109:55:112
323299986,1cyclictest61650irq/122-eno109:50:132
323299986,1cyclictest61650irq/122-eno109:50:132
323299986,1cyclictest28-21ksoftirqd/209:28:082
323299985,2cyclictest61650irq/122-eno110:23:372
323299984,2cyclictest548-21systemd-logind12:00:172
323299983,1cyclictest4611-21strings10:50:152
323299980,1cyclictest0-21swapper/208:00:132
323219980,1cyclictest0-21swapper/110:50:101
323179988,0cyclictest9-21ksoftirqd/012:05:200
323179988,0cyclictest9-21ksoftirqd/010:20:170
323179987,1cyclictest9-21ksoftirqd/011:30:130
323179987,1cyclictest9-21ksoftirqd/010:25:180
323179987,1cyclictest9-21ksoftirqd/010:00:140
323179987,1cyclictest9-21ksoftirqd/009:55:000
323179987,1cyclictest9-21ksoftirqd/009:55:000
323179987,1cyclictest9-21ksoftirqd/008:00:140
323179987,1cyclictest5119-21ssh12:19:090
323179987,0cyclictest9-21ksoftirqd/011:15:120
323179986,1cyclictest9-21ksoftirqd/008:15:130
323179980,7cyclictest0-21swapper/009:00:150
323299976,1cyclictest61650irq/122-eno112:30:112
323299976,1cyclictest61650irq/122-eno111:51:532
323299976,1cyclictest61650irq/122-eno111:10:032
323299976,1cyclictest61650irq/122-eno111:05:092
323299976,1cyclictest61650irq/122-eno109:32:362
323299976,1cyclictest61650irq/122-eno109:22:072
323299976,1cyclictest61650irq/122-eno108:19:432
323299976,1cyclictest0-21swapper/209:05:142
323299976,0cyclictest61650irq/122-eno109:15:112
323299975,1cyclictest8709-21ssh10:12:462
323299975,1cyclictest61650irq/122-eno111:20:142
323299975,1cyclictest61650irq/122-eno109:45:122
323299975,1cyclictest61650irq/122-eno109:35:102
323299975,1cyclictest61650irq/122-eno108:40:202
323299975,1cyclictest15781-21latency_hist08:50:002
323299975,1cyclictest1029-21snmpd11:38:322
323299972,3cyclictest20782-21sensors_temp11:55:182
323299970,6cyclictest0-21swapper/210:03:502
323299970,5cyclictest30080-21taskset12:09:032
323299970,4cyclictest0-21swapper/212:36:252
323299970,3cyclictest0-21swapper/210:40:102
323299970,2cyclictest0-21swapper/207:25:122
323299970,0cyclictest0-21swapper/211:25:122
323219970,5cyclictest0-21swapper/109:45:101
323219970,4cyclictest0-21swapper/111:01:111
323179977,0cyclictest9-21ksoftirqd/012:35:190
323179976,1cyclictest9-21ksoftirqd/011:00:180
323179976,1cyclictest9-21ksoftirqd/010:15:120
323179976,1cyclictest9-21ksoftirqd/009:35:000
323179976,1cyclictest18257-1kworker/u9:109:55:460
323179975,1cyclictest17814-21df_inode07:45:130
323179974,3cyclictest0-21swapper/007:15:220
323179974,2cyclictest2220-21cron07:15:000
323179970,7cyclictest0-21swapper/010:50:110
323179970,7cyclictest0-21swapper/008:33:210
323179970,6cyclictest6248-21df_inode12:20:140
323179970,6cyclictest26941-21apt08:05:110
323179970,6cyclictest25323-21cut09:10:000
323179970,6cyclictest0-21swapper/008:50:130
323179970,1cyclictest2856-21ssh09:21:060
323179970,1cyclictest10027-21ssh11:40:250
8158260,1sleep10-21swapper/109:29:441
323299966,0cyclictest61650irq/122-eno112:15:102
323299966,0cyclictest61650irq/122-eno112:12:502
323299966,0cyclictest61650irq/122-eno111:00:102
323299966,0cyclictest61650irq/122-eno110:35:312
323299966,0cyclictest61650irq/122-eno110:05:092
323299966,0cyclictest61650irq/122-eno107:47:142
323299966,0cyclictest61650irq/122-eno107:42:372
323299966,0cyclictest61650irq/122-eno107:35:122
323299965,1cyclictest61650irq/122-eno112:20:112
323299965,1cyclictest61650irq/122-eno109:10:182
323299965,1cyclictest61650irq/122-eno109:10:172
323299965,1cyclictest61650irq/122-eno108:35:152
323299965,1cyclictest61650irq/122-eno107:20:102
323299965,1cyclictest61650irq/122-eno107:10:102
323299964,1cyclictest61650irq/122-eno111:40:122
323299964,1cyclictest61650irq/122-eno111:15:162
323299964,1cyclictest61650irq/122-eno110:15:192
323299964,1cyclictest61650irq/122-eno109:40:122
323299964,1cyclictest61650irq/122-eno107:32:082
323299964,1cyclictest16821-21/usr/sbin/munin08:50:152
323299964,1cyclictest0-21swapper/208:30:132
323299963,2cyclictest9438-21apt-get12:25:112
323299962,3cyclictest12623-21sort11:45:132
323299961,5cyclictest0-21swapper/207:15:122
323299960,5cyclictest0-21swapper/210:45:102
323299960,3cyclictest4092-21aten_r1power_po08:25:132
323299960,1cyclictest0-21swapper/207:55:142
323219966,0cyclictest0-21swapper/110:41:431
323219963,0cyclictest0-21swapper/111:35:191
323219963,0cyclictest0-21swapper/110:31:321
323219961,3cyclictest0-21swapper/110:35:111
323219960,6cyclictest0-21swapper/112:32:401
323219960,6cyclictest0-21swapper/110:19:271
323219960,6cyclictest0-21swapper/109:57:031
323219960,5cyclictest0-21swapper/109:15:101
323219960,5cyclictest0-21swapper/108:13:471
323219960,5cyclictest0-21swapper/107:20:141
323219960,4cyclictest0-21swapper/112:10:201
323219960,4cyclictest0-21swapper/112:09:311
323219960,4cyclictest0-21swapper/109:40:161
323219960,4cyclictest0-21swapper/109:35:441
323219960,3cyclictest0-21swapper/108:30:111
323219960,1cyclictest0-21swapper/110:00:111
323219960,1cyclictest0-21swapper/109:14:551
323219960,1cyclictest0-21swapper/109:14:551
323219960,0cyclictest0-21swapper/109:22:521
323219960,0cyclictest0-21swapper/107:15:001
323179965,1cyclictest505-1kworker/u9:212:12:050
323179964,1cyclictest9-21ksoftirqd/008:20:130
323179960,6cyclictest26786-21ssh09:10:190
323179960,6cyclictest26786-21ssh09:10:190
323179960,6cyclictest0-21swapper/010:40:100
323179960,6cyclictest0-21swapper/008:25:320
323179960,5cyclictest0-21swapper/011:35:110
323179960,5cyclictest0-21swapper/009:15:120
323179960,5cyclictest0-21swapper/007:40:100
323179960,1cyclictest26474-21perl11:20:140
323179960,1cyclictest12892-21cstates07:35:130
323179960,0cyclictest0-21swapper/007:30:460
323299955,0cyclictest61650irq/122-eno108:10:102
323299955,0cyclictest61650irq/122-eno108:05:112
323299953,1cyclictest2586-21wc08:20:152
323299951,3cyclictest20687-21apt-get09:00:132
323299950,1cyclictest0-21swapper/208:55:212
323219955,0cyclictest0-21swapper/111:57:301
323219955,0cyclictest0-21swapper/111:24:071
323219955,0cyclictest0-21swapper/110:24:351
323219955,0cyclictest0-21swapper/109:06:131
323219955,0cyclictest0-21swapper/108:28:121
323219955,0cyclictest0-21swapper/107:50:421
323219955,0cyclictest0-21swapper/107:34:511
323219951,3cyclictest0-21swapper/108:50:111
323219951,3cyclictest0-21swapper/108:40:171
323219951,1cyclictest0-21swapper/110:12:351
323219950,5cyclictest0-21swapper/111:49:021
323219950,5cyclictest0-21swapper/111:26:391
323219950,5cyclictest0-21swapper/109:34:421
323219950,5cyclictest0-21swapper/109:01:041
323219950,5cyclictest0-21swapper/108:20:211
323219950,5cyclictest0-21swapper/108:16:171
323219950,4cyclictest0-21swapper/112:20:161
323219950,4cyclictest0-21swapper/111:40:091
323219950,4cyclictest0-21swapper/108:35:121
323219950,3cyclictest0-21swapper/112:35:311
323219950,3cyclictest0-21swapper/110:55:581
323219950,2cyclictest0-21swapper/111:10:111
323219950,2cyclictest0-21swapper/110:49:411
323219950,2cyclictest0-21swapper/107:40:121
323219950,1cyclictest0-21swapper/112:25:121
323219950,1cyclictest0-21swapper/112:16:041
323219950,1cyclictest0-21swapper/112:04:311
323219950,1cyclictest0-21swapper/109:50:201
323219950,1cyclictest0-21swapper/109:50:191
323219950,0cyclictest0-21swapper/111:31:431
323219950,0cyclictest0-21swapper/110:28:221
323179954,1cyclictest9-21ksoftirqd/007:25:200
323179951,1cyclictest240-21systemd-journal08:45:060
323179950,4cyclictest11252-21/usr/sbin/munin08:40:150
323219944,0cyclictest0-21swapper/108:59:001
323219944,0cyclictest0-21swapper/108:02:491
323219944,0cyclictest0-21swapper/107:19:001
323219941,1cyclictest0-21swapper/107:25:121
323219941,0cyclictest0-21swapper/108:45:101
323219940,4cyclictest0-21swapper/107:38:101
323219940,2cyclictest0-21swapper/107:45:111
323219940,0cyclictest0-21swapper/111:06:391
323219931,1cyclictest0-21swapper/107:55:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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