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2026-07-21 - 23:56
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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 Tue Jul 21, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
314512211160,26sleep30-21swapper/307:07:113
315112200164,23sleep10-21swapper/107:07:581
315392199160,25sleep20-21swapper/207:08:192
315942197157,26sleep00-21swapper/007:09:000
70832740,1sleep27079-21dump-pmu-power07:25:012
20772580,0sleep10-21swapper/110:07:561
31766991713,1cyclictest28-21ksoftirqd/211:27:582
97302140,0sleep20-21swapper/209:33:202
110452130,0sleep10-21swapper/107:30:201
31766991211,1cyclictest28-21ksoftirqd/209:55:212
31766991210,1cyclictest28-21ksoftirqd/207:34:592
3176699119,1cyclictest28-21ksoftirqd/211:10:212
3176699119,1cyclictest28-21ksoftirqd/211:05:162
3176699119,1cyclictest28-21ksoftirqd/210:55:182
3176699119,1cyclictest28-21ksoftirqd/209:15:222
3176699119,1cyclictest28-21ksoftirqd/208:05:172
31766991110,1cyclictest28-21ksoftirqd/212:20:222
31766991110,1cyclictest28-21ksoftirqd/212:05:192
31766991110,1cyclictest28-21ksoftirqd/211:40:162
31766991110,1cyclictest28-21ksoftirqd/209:40:202
31766991110,1cyclictest28-21ksoftirqd/208:20:152
3176699110,4cyclictest24812-21diskmemload10:20:202
3175299112,4cyclictest6291-21perf10:15:010
3177499109,1cyclictest745-21lldpd10:50:453
3176699109,1cyclictest31501-21apt-get08:15:122
3176699109,1cyclictest28-21ksoftirqd/211:50:152
3176699109,1cyclictest28-21ksoftirqd/211:15:002
3176699108,1cyclictest28-21ksoftirqd/210:45:132
3176699108,1cyclictest28-21ksoftirqd/209:35:162
31766991010,0cyclictest28-21ksoftirqd/209:23:042
3176699100,9cyclictest0-21swapper/212:35:112
3176699100,7cyclictest12194-21apt-get11:55:132
3175299103,6cyclictest11480-21perf12:40:000
3175299102,4cyclictest16720-21munin-run07:45:000
3175299101,4cyclictest12639-21latency_hist11:10:000
317749998,1cyclictest35-21ksoftirqd/308:10:013
317749990,3cyclictest0-21swapper/307:15:123
317669998,1cyclictest28-21ksoftirqd/212:30:222
317669998,1cyclictest28-21ksoftirqd/211:20:142
317669998,1cyclictest28-21ksoftirqd/211:00:132
317669998,1cyclictest28-21ksoftirqd/210:50:192
317669998,1cyclictest28-21ksoftirqd/210:10:152
317669998,1cyclictest28-21ksoftirqd/208:55:162
317669998,1cyclictest28-21ksoftirqd/207:50:132
317669998,1cyclictest28-21ksoftirqd/207:25:192
317669997,1cyclictest28-21ksoftirqd/208:50:132
317529992,5cyclictest561-21nscd11:37:070
317529991,4cyclictest19037-21perf12:05:000
317749987,1cyclictest35-21ksoftirqd/311:55:003
317749987,1cyclictest35-21ksoftirqd/307:49:593
317749983,3cyclictest5605-21seq10:12:583
317749981,4cyclictest2821-21systemctl08:20:213
317749980,4cyclictest12308-21/usr/sbin/munin11:55:143
317749980,2cyclictest0-21swapper/309:05:113
317669988,0cyclictest28-21ksoftirqd/210:39:592
317669987,1cyclictest28-21ksoftirqd/211:45:222
317669987,1cyclictest28-21ksoftirqd/210:30:172
317669987,1cyclictest28-21ksoftirqd/210:15:162
317669987,1cyclictest28-21ksoftirqd/210:05:142
317669987,1cyclictest28-21ksoftirqd/210:03:332
317669987,1cyclictest28-21ksoftirqd/207:40:142
317669986,1cyclictest61650irq/122-eno109:45:172
317669986,1cyclictest28-21ksoftirqd/212:15:142
317669986,1cyclictest28-21ksoftirqd/208:44:592
317669984,4cyclictest4281-21sh12:29:392
317669983,2cyclictest61650irq/122-eno110:40:352
317669983,2cyclictest61650irq/122-eno110:40:342
317669980,4cyclictest693-21runrttasks10:25:572
317669980,3cyclictest0-21swapper/209:50:122
317669980,1cyclictest0-21swapper/208:25:122
317589980,8cyclictest0-21swapper/107:20:191
317589980,5cyclictest0-21swapper/108:45:141
317589980,4cyclictest0-21swapper/111:15:131
317589980,1cyclictest0-21swapper/112:18:171
317529984,2cyclictest548-21systemd-logind10:40:190
317529984,2cyclictest548-21systemd-logind10:40:190
317529984,2cyclictest240-21systemd-journal11:04:590
317529982,3cyclictest22731-21perf12:10:000
317529980,7cyclictest30019-21ssh10:00:310
317529980,7cyclictest15250-21ssh11:12:110
317529980,7cyclictest1486-21ssh10:06:010
317529980,5cyclictest561-21nscd08:40:190
317529980,4cyclictest6730-21perf09:30:000
317529980,4cyclictest24812-21diskmemload10:15:050
317749976,1cyclictest35-21ksoftirqd/309:15:003
317749975,1cyclictest26773-21ssh09:56:293
317749975,1cyclictest22753-21cat07:55:173
317749975,1cyclictest15609-21apt-get08:50:123
317749975,1cyclictest12622-21ssh11:09:593
317749975,0cyclictest13650irq/124-ahci[0008:29:563
317749973,3cyclictest35-21ksoftirqd/310:03:333
317749972,2cyclictest24812-21diskmemload12:04:473
317749972,2cyclictest14418-21ntp_states08:45:183
317749972,0cyclictest14842-21ssh11:10:503
317749971,4cyclictest23097-21runrttasks09:51:023
317749971,4cyclictest0-21swapper/312:20:123
317749971,4cyclictest0-21swapper/311:16:173
317749970,6cyclictest19957-21apt-get11:20:113
317749970,4cyclictest0-21swapper/309:40:453
317749970,3cyclictest0-21swapper/312:14:143
317749970,3cyclictest0-21swapper/312:14:143
317749970,2cyclictest0-21swapper/310:25:133
317749970,2cyclictest0-21swapper/310:21:073
317749970,1cyclictest32612-21df_inode09:20:153
317749970,1cyclictest0-21swapper/311:27:453
317749970,1cyclictest0-21swapper/308:15:113
317669976,1cyclictest28-21ksoftirqd/212:10:172
317669976,1cyclictest28-21ksoftirqd/212:10:162
317669976,1cyclictest28-21ksoftirqd/209:26:432
317669975,1cyclictest61650irq/122-eno109:10:122
317669975,1cyclictest28-21ksoftirqd/212:00:132
317669975,1cyclictest28-21ksoftirqd/209:05:122
317669975,1cyclictest1694-21kworker/2:108:45:202
317669975,1cyclictest1694-21kworker/2:108:10:132
317669970,6cyclictest0-21swapper/211:35:562
317669970,5cyclictest1694-21kworker/2:107:35:482
317589970,3cyclictest0-21swapper/110:42:101
317589970,3cyclictest0-21swapper/110:42:091
317589970,1cyclictest0-21swapper/107:15:161
317529975,1cyclictest4536-21ssh10:56:410
317529975,1cyclictest28977-21ssh11:30:590
317529975,1cyclictest24812-21diskmemload09:36:290
317529975,1cyclictest23998-21memory12:10:180
317529975,1cyclictest23998-21memory12:10:170
317529975,1cyclictest0-21swapper/007:35:140
317529974,1cyclictest240-21systemd-journal07:30:010
317529973,1cyclictest0-21swapper/009:11:020
317529971,5cyclictest28348-21perl10:45:120
317529971,3cyclictest31747-21cyclictest09:55:080
317529971,2cyclictest10764-21ssh11:51:230
317529970,7cyclictest0-21swapper/012:22:050
317529970,7cyclictest0-21swapper/011:40:480
317529970,6cyclictest9120-21ssh09:31:230
317529970,6cyclictest7720-21ssh12:34:280
317529970,6cyclictest7302-21ntp_kernel_err08:30:200
317529970,6cyclictest5160-21apt-get11:45:110
317529970,6cyclictest4151-21ssh12:29:150
317529970,6cyclictest32763-21awk08:15:190
317529970,6cyclictest28382-21ssh09:15:120
317529970,6cyclictest24812-21diskmemload12:16:220
317529970,6cyclictest24812-21diskmemload11:21:390
317529970,6cyclictest23180-21sshd09:51:170
317529970,6cyclictest18377-21ssh11:15:540
317529970,6cyclictest10586-21ssh10:20:120
317529970,6cyclictest0-21swapper/008:50:190
317529970,6cyclictest0-21swapper/008:23:280
317529970,6cyclictest0-21swapper/007:10:140
317529970,2cyclictest18140-21fschecks_count09:45:160
317529970,1cyclictest32082-21/usr/sbin/munin09:20:140
317529970,1cyclictest240-21systemd-journal10:25:140
317529970,1cyclictest17111-21/usr/sbin/munin10:30:140
317529970,1cyclictest0-21swapper/009:40:130
5507260,1sleep30-21swapper/309:26:363
317749965,1cyclictest7615-21ssh12:34:073
317749965,1cyclictest7204-21ssh11:46:143
317749965,1cyclictest3523-21ntpq10:55:163
317749965,1cyclictest3445-21ssh12:27:013
317749965,1cyclictest30056-21ssh10:47:123
317749965,1cyclictest28751-21ssh12:16:543
317749965,1cyclictest2792-21ntpq11:40:193
317749965,1cyclictest26111-21ssh10:40:523
317749965,1cyclictest26111-21ssh10:40:513
317749965,1cyclictest22056-21sensors10:35:193
317749964,1cyclictest22138-21ssh12:08:183
317749964,1cyclictest2170-21ssh10:08:143
317749963,1cyclictest240-21systemd-journal08:30:003
317749962,1cyclictest13518-21sh09:39:123
317749961,4cyclictest14602-21apt-get07:40:133
317749961,2cyclictest8528-21apt-get08:35:133
317749961,2cyclictest1-21systemd09:45:223
317749961,1cyclictest24440-21apt-get08:00:123
317749960,4cyclictest240-21systemd-journal09:00:003
317749960,4cyclictest13025-21perf08:45:003
317749960,4cyclictest0-21swapper/312:35:123
317749960,4cyclictest0-21swapper/310:30:123
317749960,3cyclictest804-21wc07:10:183
317749960,3cyclictest27000-21apt-get11:30:123
317749960,3cyclictest10667-21/usr/sbin/munin07:30:173
317749960,3cyclictest0-21swapper/311:37:383
317749960,2cyclictest0-21swapper/311:01:103
317749960,2cyclictest0-21swapper/309:31:013
317749960,2cyclictest0-21swapper/309:15:263
317749960,1cyclictest240-21systemd-journal07:54:553
317669966,0cyclictest61650irq/122-eno107:55:112
317669965,1cyclictest28-21ksoftirqd/208:00:012
317669965,1cyclictest28-21ksoftirqd/207:15:182
317669965,1cyclictest28-21ksoftirqd/207:10:162
317669965,0cyclictest28-21ksoftirqd/207:45:132
317669964,1cyclictest28-21ksoftirqd/211:30:202
317669964,1cyclictest28-21ksoftirqd/208:35:152
317589966,0cyclictest0-21swapper/110:21:361
317589962,3cyclictest0-21swapper/111:40:151
317589961,2cyclictest0-21swapper/111:20:161
317589961,2cyclictest0-21swapper/110:50:221
317589960,6cyclictest0-21swapper/108:59:551
317589960,5cyclictest0-21swapper/112:37:211
317589960,5cyclictest0-21swapper/108:05:171
317589960,5cyclictest0-21swapper/107:15:001
317589960,4cyclictest0-21swapper/111:56:591
317589960,3cyclictest0-21swapper/112:29:411
317589960,3cyclictest0-21swapper/109:10:101
317589960,3cyclictest0-21swapper/109:00:111
317589960,2cyclictest0-21swapper/112:20:371
317589960,2cyclictest0-21swapper/109:35:171
317589960,1cyclictest0-21swapper/112:33:441
317589960,1cyclictest0-21swapper/112:04:201
317589960,1cyclictest0-21swapper/111:50:221
317589960,1cyclictest0-21swapper/110:47:491
317589960,1cyclictest0-21swapper/108:25:211
317589960,1cyclictest0-21swapper/108:00:171
317529965,1cyclictest21528-21cat10:35:140
317529965,1cyclictest14401-21ntpq08:45:190
317529964,1cyclictest22356-21cstates07:55:150
317529961,4cyclictest27079-21tr08:05:160
317529960,6cyclictest0-21swapper/011:55:330
317529960,6cyclictest0-21swapper/011:25:130
317529960,6cyclictest0-21swapper/009:08:110
317529960,6cyclictest0-21swapper/008:55:280
317529960,6cyclictest0-21swapper/008:38:460
317529960,6cyclictest0-21swapper/008:28:590
317529960,6cyclictest0-21swapper/007:50:110
317529960,1cyclictest0-21swapper/007:30:150
317529960,1cyclictest0-21swapper/007:15:010
317529960,0cyclictest0-21swapper/010:50:180
317529960,0cyclictest0-21swapper/008:02:170
317529960,0cyclictest0-21swapper/007:22:430
317749955,0cyclictest0-21swapper/307:35:043
317749952,1cyclictest240-21systemd-journal10:16:143
317749951,3cyclictest29649-21df_inode08:10:143
317749951,1cyclictest0-21swapper/307:20:133
317749950,5cyclictest0-21swapper/309:00:463
317749950,5cyclictest0-21swapper/307:26:263
317669955,0cyclictest61650irq/122-eno109:00:122
317669950,4cyclictest6174-21apt-get08:30:142
317589955,0cyclictest0-21swapper/109:40:141
317589955,0cyclictest0-21swapper/109:25:171
317589951,3cyclictest0-21swapper/109:30:221
317589951,2cyclictest0-21swapper/111:28:461
317589950,5cyclictest0-21swapper/112:13:271
317589950,5cyclictest0-21swapper/112:13:261
317589950,5cyclictest0-21swapper/109:58:231
317589950,5cyclictest0-21swapper/109:21:551
317589950,4cyclictest0-21swapper/111:01:191
317589950,3cyclictest0-21swapper/112:05:451
317589950,3cyclictest0-21swapper/111:47:021
317589950,3cyclictest0-21swapper/111:37:381
317589950,3cyclictest0-21swapper/111:10:591
317589950,3cyclictest0-21swapper/111:05:151
317589950,3cyclictest0-21swapper/110:00:101
317589950,3cyclictest0-21swapper/109:47:521
317589950,3cyclictest0-21swapper/109:18:101
317589950,3cyclictest0-21swapper/107:40:151
317589950,2cyclictest0-21swapper/110:39:441
317589950,1cyclictest0-21swapper/110:25:021
317589950,0cyclictest0-21swapper/111:31:321
317529950,5cyclictest0-21swapper/007:46:020
317529950,4cyclictest20332-21/usr/sbin/munin09:00:160
317529950,0cyclictest0-21swapper/008:10:110
317589944,0cyclictest0-21swapper/110:30:451
317589943,1cyclictest0-21swapper/107:45:011
317589940,4cyclictest0-21swapper/108:30:171
317589940,3cyclictest0-21swapper/110:55:081
317589940,3cyclictest0-21swapper/110:10:151
317589940,3cyclictest0-21swapper/107:25:161
317589940,2cyclictest0-21swapper/110:16:321
317589940,2cyclictest0-21swapper/109:50:351
317589940,1cyclictest0-21swapper/108:50:121
317589940,1cyclictest0-21swapper/107:35:001
317589940,0cyclictest0-21swapper/108:10:191
317589940,0cyclictest0-21swapper/108:00:001
317589931,1cyclictest0-21swapper/109:05:151
317589931,1cyclictest0-21swapper/108:35:131
317589931,1cyclictest0-21swapper/108:20:131
317589930,1cyclictest0-21swapper/108:40:201
317589930,1cyclictest0-21swapper/107:50:111
317589930,0cyclictest0-21swapper/108:15:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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