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2026-07-03 - 01:09
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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 Thu Jul 02, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
233792201160,27sleep20-21swapper/207:06:472
234102200162,25sleep30-21swapper/307:07:123
233502198134,21sleep00-21swapper/007:06:240
233732197161,23sleep10-21swapper/107:06:411
23709991614,1cyclictest28-21ksoftirqd/209:15:152
2370999158,4cyclictest28-21ksoftirqd/209:10:482
22582150,0sleep10-21swapper/111:45:201
2369999140,0cyclictest0-21swapper/010:26:140
23709991312,1cyclictest28-21ksoftirqd/210:16:282
23709991311,1cyclictest28-21ksoftirqd/212:05:212
2370999123,8cyclictest26265-21munin-node09:08:052
23709991211,1cyclictest28-21ksoftirqd/211:56:252
23709991211,1cyclictest28-21ksoftirqd/209:20:192
23699991210,1cyclictest9-21ksoftirqd/010:20:010
2371799119,1cyclictest35-21ksoftirqd/311:55:003
2370999119,1cyclictest28-21ksoftirqd/211:35:012
2370999119,1cyclictest28-21ksoftirqd/207:15:162
2370999119,1cyclictest14759-21ntpq07:55:172
23709991111,0cyclictest28-21ksoftirqd/212:25:112
23709991111,0cyclictest28-21ksoftirqd/211:05:152
23709991110,1cyclictest28-21ksoftirqd/212:21:502
23709991110,1cyclictest28-21ksoftirqd/209:33:592
23709991110,1cyclictest28-21ksoftirqd/207:30:132
23709991110,1cyclictest28-21ksoftirqd/207:14:592
2369999119,1cyclictest9-21ksoftirqd/009:14:590
2369999113,4cyclictest25621-21perf11:35:000
2369999112,4cyclictest9943-21perf09:45:000
23699991110,1cyclictest9-21ksoftirqd/010:05:010
23699991110,1cyclictest9-21ksoftirqd/008:45:000
2371799109,1cyclictest35-21ksoftirqd/310:10:003
2371799108,1cyclictest35-21ksoftirqd/307:40:013
2370999109,1cyclictest28-21ksoftirqd/212:30:182
2370999109,1cyclictest28-21ksoftirqd/212:17:352
2370999109,1cyclictest28-21ksoftirqd/211:40:132
2370999109,1cyclictest28-21ksoftirqd/211:20:372
2370999109,1cyclictest28-21ksoftirqd/211:16:542
2370999109,1cyclictest28-21ksoftirqd/210:22:042
2370999109,1cyclictest28-21ksoftirqd/210:13:302
2370999109,1cyclictest28-21ksoftirqd/210:09:192
2370999109,1cyclictest28-21ksoftirqd/209:40:002
2370999109,0cyclictest28-21ksoftirqd/212:35:282
2370999108,1cyclictest28-21ksoftirqd/211:53:232
2370999108,1cyclictest28-21ksoftirqd/211:25:412
2370999108,1cyclictest28-21ksoftirqd/210:58:222
2370999108,1cyclictest28-21ksoftirqd/207:55:002
23709991010,0cyclictest28-21ksoftirqd/212:13:042
23709991010,0cyclictest28-21ksoftirqd/212:00:152
23709991010,0cyclictest28-21ksoftirqd/211:45:072
23709991010,0cyclictest28-21ksoftirqd/210:35:162
23709991010,0cyclictest28-21ksoftirqd/209:25:222
2370999100,1cyclictest0-21swapper/208:10:102
2369999109,1cyclictest9-21ksoftirqd/009:50:010
2369999102,4cyclictest21056-21latency_hist09:59:590
2369999100,9cyclictest26265-21munin-node10:37:390
237179998,1cyclictest23057-21ssh11:30:133
237179997,1cyclictest35-21ksoftirqd/307:19:593
237179996,1cyclictest35-21ksoftirqd/311:01:513
237179991,6cyclictest11817-21apt-get12:00:113
237179990,5cyclictest28533-21/usr/sbin/munin10:10:143
237099999,0cyclictest28-21ksoftirqd/210:41:052
237099998,1cyclictest28-21ksoftirqd/211:12:182
237099998,1cyclictest28-21ksoftirqd/210:50:282
237099998,1cyclictest28-21ksoftirqd/210:30:152
237099998,1cyclictest28-21ksoftirqd/210:01:032
237099998,1cyclictest28-21ksoftirqd/209:58:282
237099998,1cyclictest28-21ksoftirqd/209:45:142
237099998,1cyclictest28-21ksoftirqd/209:40:152
237099998,1cyclictest28-21ksoftirqd/208:55:122
237099998,1cyclictest28-21ksoftirqd/208:45:112
237099998,1cyclictest28-21ksoftirqd/208:20:152
237099998,1cyclictest28-21ksoftirqd/207:29:592
237099997,2cyclictest28-21ksoftirqd/210:25:132
237099997,1cyclictest28-21ksoftirqd/210:45:142
236999998,1cyclictest9-21ksoftirqd/010:55:000
236999997,1cyclictest9-21ksoftirqd/010:31:330
236999997,1cyclictest9-21ksoftirqd/008:34:590
236999997,1cyclictest9-21ksoftirqd/007:55:000
236999990,8cyclictest0-21swapper/009:05:190
236999990,6cyclictest563-21nscd11:57:590
8908280,0sleep10-21swapper/110:25:421
237179988,0cyclictest35-21ksoftirqd/309:45:163
237179987,1cyclictest35-21ksoftirqd/309:40:003
237179987,0cyclictest35-21ksoftirqd/309:19:593
237179986,1cyclictest35-21ksoftirqd/308:40:003
237179980,4cyclictest3380-21apt-get10:20:113
237179980,3cyclictest240-21systemd-journal09:10:003
237099988,0cyclictest28-21ksoftirqd/208:40:222
237099988,0cyclictest24452-21sensors08:15:192
237099987,1cyclictest28-21ksoftirqd/211:00:362
237099987,1cyclictest28-21ksoftirqd/209:50:002
237099987,1cyclictest28-21ksoftirqd/208:35:002
237099987,1cyclictest28-21ksoftirqd/207:40:132
237099986,1cyclictest28-21ksoftirqd/211:35:042
237099986,1cyclictest28-21ksoftirqd/207:35:142
237009988,0cyclictest21-21ksoftirqd/108:53:511
237009981,3cyclictest0-21swapper/108:24:591
237009981,1cyclictest0-21swapper/111:16:211
236999987,1cyclictest9-21ksoftirqd/012:15:000
236999987,1cyclictest9-21ksoftirqd/011:25:010
236999987,1cyclictest9-21ksoftirqd/007:19:590
236999986,1cyclictest9-21ksoftirqd/010:25:000
236999980,6cyclictest16356-21diskmemload09:27:460
236999980,1cyclictest0-21swapper/011:53:330
4687270,0sleep10-21swapper/111:50:121
237179977,0cyclictest35-21ksoftirqd/309:55:253
237179977,0cyclictest35-21ksoftirqd/309:25:143
237179975,2cyclictest16356-21diskmemload12:28:263
237179975,1cyclictest35-21ksoftirqd/308:15:013
237179975,1cyclictest35-21ksoftirqd/307:15:003
237179975,1cyclictest20604-21ssh10:43:033
237179975,1cyclictest13439-21ssh11:16:183
237179974,2cyclictest16356-21diskmemload09:37:343
237179974,1cyclictest240-21systemd-journal12:09:593
237179972,2cyclictest16356-21diskmemload12:14:363
237179970,5cyclictest10915-21python08:55:193
237179970,4cyclictest0-21swapper/308:50:003
237179970,3cyclictest0-21swapper/310:55:213
237179970,2cyclictest4994-21irqstats11:05:143
237099977,0cyclictest28-21ksoftirqd/208:50:122
237099976,1cyclictest28140-21kworker/2:007:20:142
237099975,1cyclictest28-21ksoftirqd/208:25:202
237099972,4cyclictest15989-21apt-get08:00:122
237099972,4cyclictest15989-21apt-get08:00:112
237099970,1cyclictest28-21ksoftirqd/208:35:212
237009974,0cyclictest0-21swapper/111:56:271
237009971,3cyclictest0-21swapper/110:20:111
237009971,3cyclictest0-21swapper/108:25:171
237009970,6cyclictest0-21swapper/109:05:181
237009970,4cyclictest0-21swapper/110:45:181
237009970,2cyclictest0-21swapper/108:40:121
236999976,1cyclictest9-21ksoftirqd/012:25:130
236999975,1cyclictest9-21ksoftirqd/008:20:140
236999975,1cyclictest7484-21ntpq07:40:170
236999975,1cyclictest2349-21ntp_states12:30:170
236999973,2cyclictest548-21systemd-logind12:35:210
236999973,2cyclictest240-21systemd-journal11:06:350
236999973,2cyclictest240-21systemd-journal11:04:550
236999973,2cyclictest240-21systemd-journal10:43:210
236999973,2cyclictest240-21systemd-journal10:13:200
236999973,2cyclictest240-21systemd-journal07:14:590
236999973,1cyclictest240-21systemd-journal10:07:340
236999973,1cyclictest16356-21diskmemload09:35:140
236999971,6cyclictest16356-21diskmemload12:18:470
236999970,6cyclictest26692-21ssh09:23:010
236999970,6cyclictest20371-21cpuspeed_turbos09:15:130
236999970,6cyclictest14648-21grep09:50:130
236999970,6cyclictest13361-21ssh11:16:050
236999970,6cyclictest12179-21expr12:00:120
236999970,6cyclictest0-21swapper/011:10:120
236999970,6cyclictest0-21swapper/009:30:010
236999970,6cyclictest0-21swapper/007:30:160
236999970,5cyclictest0-21swapper/012:20:170
236999970,1cyclictest30854-21ssh10:55:310
236999970,1cyclictest26769-21ssh11:35:170
236999970,1cyclictest0-21swapper/012:05:160
236999970,1cyclictest0-21swapper/011:40:160
236999970,1cyclictest0-21swapper/011:25:120
236999970,1cyclictest0-21swapper/007:25:130
237179965,1cyclictest9300-21ssh10:26:523
237179965,1cyclictest35-21ksoftirqd/311:25:123
237179965,1cyclictest35-21ksoftirqd/308:44:453
237179965,1cyclictest32073-21sshd08:32:443
237179965,1cyclictest25529-21ssh12:18:283
237179965,1cyclictest17510-21ssh11:22:343
237179965,1cyclictest14779-21ntpq07:55:163
237179965,1cyclictest14001-21/usr/sbin/munin09:50:153
237179965,1cyclictest10672-21ssh11:13:553
237179965,1cyclictest10611-21ssh10:30:083
237179965,1cyclictest10419-21sshd11:56:453
237179964,2cyclictest2800-21sh10:19:113
237179964,1cyclictest4735-21ssh12:35:063
237179964,1cyclictest32572-21cat07:25:163
237179964,1cyclictest1301-21ssh09:31:203
237179964,0cyclictest16356-21diskmemload11:47:583
237179963,1cyclictest240-21systemd-journal08:10:003
237179963,1cyclictest13650irq/124-ahci[0008:55:013
237179962,2cyclictest16356-21diskmemload10:50:163
237179960,4cyclictest31002-21switchtime11:40:193
237179960,4cyclictest13954-21kworker/3:210:36:053
237179960,3cyclictest0-21swapper/312:30:103
237179960,3cyclictest0-21swapper/309:23:253
237179960,2cyclictest0-21swapper/308:00:123
237179960,2cyclictest0-21swapper/308:00:113
237099965,1cyclictest28140-21kworker/2:009:00:152
237099964,1cyclictest28-21ksoftirqd/208:05:142
237099964,1cyclictest28-21ksoftirqd/207:50:012
237009962,4cyclictest28331-21taskset12:20:561
237009962,1cyclictest314012sleep110:13:361
237009961,2cyclictest0-21swapper/109:00:001
237009960,6cyclictest0-21swapper/110:50:171
237009960,4cyclictest0-21swapper/111:41:191
237009960,3cyclictest0-21swapper/109:46:591
237009960,3cyclictest0-21swapper/108:30:181
237009960,2cyclictest0-21swapper/110:30:371
237009960,1cyclictest0-21swapper/111:05:111
237009960,1cyclictest0-21swapper/107:10:151
237009960,0cyclictest0-21swapper/112:38:051
236999965,1cyclictest5883-1kworker/u9:210:45:090
236999965,1cyclictest3059-21ssh11:47:010
236999964,1cyclictest3974-21/usr/sbin/munin07:35:160
236999960,6cyclictest0-21swapper/007:45:120
236999960,1cyclictest11641-21munin-run09:00:000
236999960,1cyclictest0-21swapper/008:10:120
236999960,0cyclictest0-21swapper/008:45:180
236999960,0cyclictest0-21swapper/008:35:220
236999960,0cyclictest0-21swapper/008:28:020
236999960,0cyclictest0-21swapper/008:05:160
236999960,0cyclictest0-21swapper/007:59:190
237179954,1cyclictest35-21ksoftirqd/307:44:523
237179953,1cyclictest35-21ksoftirqd/309:05:003
237179953,1cyclictest26810-21expr12:20:123
237179953,1cyclictest21223-21ssh10:00:003
237179953,1cyclictest11788-21grep07:50:143
237179952,1cyclictest14238-21apt-get09:05:113
237179951,2cyclictest0-21swapper/310:45:143
237179950,4cyclictest25855-21cstates08:20:123
237179950,3cyclictest2442-21hwlatdetect07:30:143
237179950,2cyclictest10834-21apt-get07:50:013
237179950,1cyclictest0-21swapper/311:35:113
237009952,2cyclictest0-21swapper/111:00:111
237009951,4cyclictest0-21swapper/109:30:541
237009951,1cyclictest0-21swapper/107:50:121
237009950,5cyclictest0-21swapper/107:15:011
237009950,4cyclictest0-21swapper/111:30:141
237009950,4cyclictest0-21swapper/107:55:141
237009950,3cyclictest0-21swapper/112:10:101
237009950,3cyclictest0-21swapper/110:06:381
237009950,3cyclictest0-21swapper/109:20:101
237009950,3cyclictest0-21swapper/108:10:131
237009950,2cyclictest0-21swapper/112:25:301
237009950,2cyclictest0-21swapper/112:09:521
237009950,2cyclictest0-21swapper/111:25:141
237009950,2cyclictest0-21swapper/111:10:131
237009950,2cyclictest0-21swapper/110:39:051
237009950,2cyclictest0-21swapper/109:51:571
237009950,2cyclictest0-21swapper/109:28:171
237009950,2cyclictest0-21swapper/109:13:211
237009950,1cyclictest0-21swapper/112:19:421
237009950,1cyclictest0-21swapper/110:15:201
237009950,1cyclictest0-21swapper/110:00:151
237009950,0cyclictest0-21swapper/111:21:451
236999950,5cyclictest0-21swapper/009:00:130
236999950,5cyclictest0-21swapper/008:19:170
236999950,5cyclictest0-21swapper/008:00:150
236999950,5cyclictest0-21swapper/008:00:140
236999950,0cyclictest0-21swapper/007:22:450
13839250,1sleep10-21swapper/112:01:041
237179942,1cyclictest28554-21expr08:25:163
237179941,1cyclictest240-21systemd-journal07:24:313
237179940,1cyclictest240-21systemd-journal08:15:013
237009942,1cyclictest20388-21chrt08:09:171
237009941,1cyclictest0-21swapper/107:20:161
237009940,3cyclictest0-21swapper/112:30:111
237009940,3cyclictest0-21swapper/109:35:161
237009940,3cyclictest0-21swapper/109:15:101
237009940,2cyclictest0-21swapper/111:35:311
237009940,2cyclictest0-21swapper/110:40:181
237009940,2cyclictest0-21swapper/107:35:121
237009940,1cyclictest0-21swapper/110:55:121
237009940,1cyclictest0-21swapper/109:41:501
237009940,1cyclictest0-21swapper/107:50:001
237009940,1cyclictest0-21swapper/107:30:161
237009940,0cyclictest0-21swapper/109:55:071
236999940,3cyclictest0-21swapper/008:50:120
237009932,1cyclictest6345-21chrt07:40:101
237009931,1cyclictest0-21swapper/109:00:141
237009931,1cyclictest0-21swapper/108:18:081
237009931,1cyclictest0-21swapper/108:00:131
237009931,1cyclictest0-21swapper/108:00:131
237009930,3cyclictest0-21swapper/108:35:211
237009930,3cyclictest0-21swapper/107:25:201
237009930,0cyclictest0-21swapper/108:45:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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