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2026-07-04 - 23:06
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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 Sat Jul 04, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31472222159,24sleep10-21swapper/107:09:591
31172207157,24sleep00-21swapper/007:09:370
28872202157,26sleep30-21swapper/307:06:393
28042201162,25sleep20-21swapper/207:05:342
120612690,0sleep10-21swapper/107:25:151
131922170,0sleep00-21swapper/009:30:460
3222991412,1cyclictest9-21ksoftirqd/007:40:010
182872140,0sleep30-21swapper/309:39:583
3222991210,1cyclictest9-21ksoftirqd/009:45:000
3247991111,0cyclictest35-21ksoftirqd/308:14:593
323999119,1cyclictest9427-21sh10:10:182
323999119,1cyclictest28-21ksoftirqd/207:35:002
323999119,1cyclictest28-21ksoftirqd/207:35:002
322299119,1cyclictest9-21ksoftirqd/012:35:140
3222991110,1cyclictest9-21ksoftirqd/011:30:140
3222991110,1cyclictest9-21ksoftirqd/009:50:000
281602110,0sleep20-21swapper/209:51:552
323999109,1cyclictest0-21swapper/211:59:112
322299109,1cyclictest9-21ksoftirqd/012:10:260
322299109,1cyclictest9-21ksoftirqd/011:00:140
322299108,1cyclictest9-21ksoftirqd/009:40:000
32479997,1cyclictest28502-21diskmemload10:16:013
32479993,5cyclictest22709-1kworker/u9:211:17:143
32479991,5cyclictest28727-21runrttasks09:10:033
32399998,0cyclictest0-21swapper/209:19:282
32399991,3cyclictest30486-21apt-get08:05:112
32399990,6cyclictest16752-21ps10:20:182
32399990,4cyclictest1187-21apt-get10:45:112
32319990,1cyclictest0-21swapper/111:10:121
32229998,1cyclictest9-21ksoftirqd/012:17:050
32229998,1cyclictest9-21ksoftirqd/012:05:130
32229998,1cyclictest9-21ksoftirqd/010:40:160
32229998,1cyclictest9-21ksoftirqd/010:29:420
32229997,1cyclictest9-21ksoftirqd/010:05:130
32229997,1cyclictest9-21ksoftirqd/007:59:590
32479982,2cyclictest28502-21diskmemload10:20:143
32479980,5cyclictest0-21swapper/312:35:113
32479980,3cyclictest0-21swapper/312:05:003
32399986,1cyclictest61650irq/122-eno112:15:212
32399986,1cyclictest61650irq/122-eno111:25:132
32399986,1cyclictest61650irq/122-eno111:20:222
32399986,1cyclictest61650irq/122-eno111:00:132
32399986,1cyclictest61650irq/122-eno110:31:352
32399986,1cyclictest61650irq/122-eno109:35:212
32399986,1cyclictest61650irq/122-eno109:20:202
32399986,1cyclictest30935-21sensors09:55:202
32399984,1cyclictest61650irq/122-eno107:19:082
32399983,2cyclictest240-21systemd-journal10:40:132
32399982,4cyclictest28-21ksoftirqd/211:53:242
32399981,6cyclictest21656-21apt-get08:55:122
32399981,4cyclictest561-21nscd10:15:142
32399980,7cyclictest16912-21/usr/sbin/munin12:35:172
32399980,0cyclictest0-21swapper/209:13:572
32319981,6cyclictest0-21swapper/111:47:331
32319980,4cyclictest0-21swapper/108:15:121
32319980,3cyclictest0-21swapper/112:35:111
32319980,1cyclictest0-21swapper/109:20:121
32229988,0cyclictest9-21ksoftirqd/012:00:140
32229987,1cyclictest9-21ksoftirqd/012:30:140
32229987,1cyclictest9-21ksoftirqd/011:55:160
32229987,1cyclictest9-21ksoftirqd/010:55:140
32229987,1cyclictest9-21ksoftirqd/009:50:100
32229987,1cyclictest9-21ksoftirqd/009:25:180
32229987,1cyclictest9-21ksoftirqd/009:10:120
32229986,1cyclictest9-21ksoftirqd/011:25:190
32229986,1cyclictest9-21ksoftirqd/010:33:530
32229986,1cyclictest9-21ksoftirqd/009:00:110
32229986,1cyclictest23789-21perf09:00:000
32229986,1cyclictest16360-21cat10:20:150
32229985,2cyclictest28502-21diskmemload11:10:190
32229983,5cyclictest16400-21latency_hist11:50:010
32229980,5cyclictest12351-21forks10:15:150
32229980,1cyclictest4146-21perl07:10:160
32229980,1cyclictest25079-21ssh11:15:390
32754270,0sleep30-21swapper/311:26:133
32479976,1cyclictest9361-21cat10:55:163
32479975,1cyclictest35-21ksoftirqd/308:04:593
32479975,1cyclictest35-21ksoftirqd/307:20:003
32479972,4cyclictest32131-21kworker/u8:010:40:203
32479972,3cyclictest6019-21apt-get12:20:113
32479971,4cyclictest0-21swapper/310:37:543
32479970,6cyclictest15361-21ssh11:47:063
32479970,6cyclictest0-21swapper/309:31:033
32479970,4cyclictest0-21swapper/311:55:033
32479970,4cyclictest0-21swapper/308:55:113
32399976,1cyclictest61650irq/122-eno112:24:472
32399976,1cyclictest61650irq/122-eno112:14:062
32399976,1cyclictest61650irq/122-eno111:48:022
32399976,1cyclictest61650irq/122-eno111:20:002
32399976,1cyclictest61650irq/122-eno111:10:202
32399976,1cyclictest61650irq/122-eno109:27:142
32399976,1cyclictest61650irq/122-eno107:35:142
32399975,1cyclictest61650irq/122-eno110:25:152
32399975,1cyclictest61650irq/122-eno109:45:162
32399975,1cyclictest61650irq/122-eno108:00:142
32399975,1cyclictest5736-21ssh11:35:122
32399975,1cyclictest28-21ksoftirqd/209:09:552
32399975,1cyclictest12422-21ntpq09:30:172
32399974,1cyclictest11215-21apt-get07:25:122
32399973,3cyclictest7702-21runrttasks10:53:402
32399971,4cyclictest10992-21perf07:25:002
32399970,7cyclictest0-21swapper/210:09:322
32399970,6cyclictest0-21swapper/207:55:002
32399970,5cyclictest15074-21sh12:30:242
32399970,2cyclictest28981-21smartctl12:05:192
32399970,2cyclictest0-21swapper/208:20:122
32399970,1cyclictest0-21swapper/209:40:112
32399970,1cyclictest0-21swapper/208:25:152
32319977,0cyclictest21-21ksoftirqd/110:41:521
32319970,7cyclictest0-21swapper/109:10:311
32319970,4cyclictest0-21swapper/109:15:161
32319970,3cyclictest0-21swapper/107:30:111
32319970,3cyclictest0-21swapper/107:30:111
32229976,1cyclictest9-21ksoftirqd/012:20:140
32229976,1cyclictest9-21ksoftirqd/009:16:400
32229975,1cyclictest9-21ksoftirqd/011:35:140
32229975,1cyclictest9-21ksoftirqd/007:55:000
32229970,7cyclictest3806-21basename09:20:120
32229970,7cyclictest0-21swapper/009:05:150
32229970,6cyclictest9594-21ssh12:25:020
32229970,6cyclictest9370-21ssh11:40:120
32229970,6cyclictest30018-21diskstats09:55:140
32229970,6cyclictest0-21swapper/010:45:130
32229970,6cyclictest0-21swapper/008:25:000
32229970,1cyclictest8543-21expr10:10:130
32229970,1cyclictest305512chrt08:05:120
32229970,1cyclictest29163-21ssh11:21:190
32229970,1cyclictest28502-21diskmemload10:37:470
32229970,1cyclictest18242-21ssh11:06:540
29211270,0sleep30-21swapper/311:21:283
18706270,1sleep00-21swapper/011:51:170
8179260,0sleep10-21swapper/112:21:301
32479965,1cyclictest29801-21ssh12:06:453
32479965,1cyclictest2085-21ssh09:16:203
32479965,1cyclictest19504-21cat09:40:153
32479965,1cyclictest18995-21ssh11:52:083
32479965,1cyclictest10970-21cron07:25:003
32479965,0cyclictest28502-21diskmemload12:10:113
32479965,0cyclictest28502-21diskmemload10:31:213
32479963,1cyclictest240-21systemd-journal09:28:273
32479963,1cyclictest240-21systemd-journal07:30:533
32479963,1cyclictest240-21systemd-journal07:30:523
32479962,3cyclictest4568-21apt-get10:05:123
32479962,3cyclictest0-21swapper/309:53:533
32479962,2cyclictest28502-21diskmemload11:30:163
32479961,4cyclictest583-21in:imuxsock08:22:553
32479961,4cyclictest32751-1kworker/u9:110:45:333
32479960,6cyclictest28502-21diskmemload10:00:423
32479960,4cyclictest8597-21sshd11:38:373
32479960,4cyclictest0-21swapper/307:50:103
32479960,3cyclictest0-21swapper/310:11:343
32479960,2cyclictest0-21swapper/312:18:263
32479960,2cyclictest0-21swapper/310:50:443
32479960,2cyclictest0-21swapper/309:49:383
32479960,1cyclictest0-21swapper/311:41:103
32479960,1cyclictest0-21swapper/308:50:123
32479960,0cyclictest28502-21diskmemload12:32:523
32479960,0cyclictest0-21swapper/307:10:193
32399966,0cyclictest61650irq/122-eno112:25:132
32399966,0cyclictest61650irq/122-eno111:40:042
32399966,0cyclictest61650irq/122-eno110:35:062
32399966,0cyclictest61650irq/122-eno108:49:462
32399966,0cyclictest61650irq/122-eno108:30:142
32399966,0cyclictest61650irq/122-eno107:48:152
32399966,0cyclictest61650irq/122-eno107:10:472
32399966,0cyclictest28-21ksoftirqd/210:00:092
32399965,1cyclictest13370-21ntpq08:35:162
32399964,1cyclictest61650irq/122-eno110:55:152
32399964,1cyclictest61650irq/122-eno107:40:012
32399962,1cyclictest28502-21diskmemload11:05:182
32399960,6cyclictest0-21swapper/208:15:162
32399960,2cyclictest28502-21diskmemload11:30:152
32399960,2cyclictest0-21swapper/212:00:082
32319966,0cyclictest0-21swapper/111:20:571
32319961,3cyclictest0-21swapper/108:30:111
32319961,2cyclictest0-21swapper/109:55:181
32319960,6cyclictest0-21swapper/111:07:091
32319960,4cyclictest0-21swapper/110:16:101
32319960,3cyclictest0-21swapper/112:11:201
32319960,3cyclictest0-21swapper/108:20:211
32319960,2cyclictest0-21swapper/109:42:081
32319960,2cyclictest0-21swapper/109:35:111
32319960,1cyclictest0-21swapper/112:20:001
32319960,1cyclictest0-21swapper/112:04:191
32319960,1cyclictest0-21swapper/111:35:121
32319960,1cyclictest0-21swapper/110:56:431
32319960,1cyclictest0-21swapper/110:50:121
32319960,0cyclictest0-21swapper/110:50:001
32229965,1cyclictest9-21ksoftirqd/007:40:000
32229965,1cyclictest13080-21if_eno108:35:150
32229964,1cyclictest9-21ksoftirqd/008:55:000
32229964,1cyclictest21493-21fschecks_time07:45:150
32229960,6cyclictest0-21swapper/008:46:530
32229960,6cyclictest0-21swapper/008:27:030
32229960,6cyclictest0-21swapper/008:15:170
32229960,6cyclictest0-21swapper/007:23:100
32229960,5cyclictest4815-21ssh10:50:110
32229960,5cyclictest0-21swapper/008:30:170
32229960,1cyclictest27930-21apt-get08:00:110
32229960,0cyclictest28502-21diskmemload10:00:030
32479955,0cyclictest28502-21diskmemload12:25:163
32479953,1cyclictest16740-21cut11:05:163
32479953,1cyclictest13902-21unixbench_singl08:35:203
32479952,1cyclictest240-21systemd-journal10:25:013
32479951,3cyclictest14865-21ssh11:02:403
32479951,2cyclictest28502-21diskmemload09:20:053
32479951,2cyclictest16424-21/usr/sbin/munin07:35:133
32479951,1cyclictest0-21swapper/309:05:183
32479950,3cyclictest0-21swapper/309:56:393
32479950,2cyclictest0-21swapper/311:10:193
32479950,1cyclictest240-21systemd-journal08:09:553
32479950,0cyclictest0-21swapper/307:45:463
32399955,0cyclictest61650irq/122-eno109:04:172
32399955,0cyclictest61650irq/122-eno108:52:342
32399955,0cyclictest61650irq/122-eno108:10:002
32399954,1cyclictest28-21ksoftirqd/208:43:582
32399950,5cyclictest0-21swapper/207:55:382
32319955,0cyclictest0-21swapper/109:51:461
32319953,1cyclictest0-21swapper/107:45:211
32319952,2cyclictest0-21swapper/109:00:201
32319950,3cyclictest0-21swapper/112:25:191
32319950,3cyclictest0-21swapper/112:05:031
32319950,3cyclictest0-21swapper/110:36:031
32319950,3cyclictest0-21swapper/110:00:111
32319950,3cyclictest0-21swapper/108:25:111
32319950,2cyclictest0-21swapper/111:55:171
32319950,2cyclictest0-21swapper/110:10:121
32319950,2cyclictest0-21swapper/109:33:211
32319950,2cyclictest0-21swapper/107:50:101
32319950,1cyclictest0-21swapper/112:30:181
32319950,1cyclictest0-21swapper/111:53:251
32319950,1cyclictest0-21swapper/111:00:021
32319950,1cyclictest0-21swapper/110:25:241
32319950,1cyclictest0-21swapper/110:09:121
32319950,0cyclictest0-21swapper/110:30:411
32229954,1cyclictest9-21ksoftirqd/007:15:010
32229953,1cyclictest646-21cut08:10:120
32229950,4cyclictest13566-21/usr/sbin/munin07:30:110
32229950,4cyclictest13566-21/usr/sbin/munin07:30:110
32229950,0cyclictest0-21swapper/008:43:140
32229950,0cyclictest0-21swapper/007:25:160
32479944,0cyclictest1527-21kworker/3:008:32:143
32479943,1cyclictest35-21ksoftirqd/308:15:123
32479942,1cyclictest25298-21wc09:00:193
32479942,1cyclictest19835-21fgrep07:40:193
32479942,1cyclictest17062-21basename08:45:133
32479942,1cyclictest14599-21aten_r1power_cu08:40:123
32479942,1cyclictest12795-21wc07:25:213
32479940,1cyclictest240-21systemd-journal08:25:003
32479940,1cyclictest0-21swapper/307:55:123
32319942,1cyclictest263702sleep109:05:041
32319942,1cyclictest0-21swapper/108:40:191
32319941,1cyclictest0-21swapper/108:05:151
32319940,3cyclictest10648-21taskset07:20:561
32319940,2cyclictest0-21swapper/111:40:211
32319940,2cyclictest0-21swapper/111:30:291
32319940,2cyclictest0-21swapper/111:15:171
32319940,2cyclictest0-21swapper/110:21:301
32319940,2cyclictest0-21swapper/108:50:311
32319940,2cyclictest0-21swapper/107:55:121
32319940,2cyclictest0-21swapper/107:15:121
32319940,1cyclictest0-21swapper/111:27:301
32319940,1cyclictest0-21swapper/109:45:151
32319940,1cyclictest0-21swapper/108:35:181
32319940,1cyclictest0-21swapper/108:11:171
32319940,1cyclictest0-21swapper/108:00:181
32319940,0cyclictest0-21swapper/109:25:191
32319940,0cyclictest0-21swapper/107:40:191
32319940,0cyclictest0-21swapper/107:10:201
32319931,1cyclictest0-21swapper/107:35:111
32319930,2cyclictest0-21swapper/108:55:131
32319930,1cyclictest0-21swapper/108:45:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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