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2026-04-12 - 14:43
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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 Sun Apr 12, 2026 12:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
321152223152,49sleep30-21swapper/307:09:013
321762206156,25sleep00-21swapper/007:09:450
320572204150,22sleep20-21swapper/207:08:142
321942200163,24sleep10-21swapper/107:09:591
6442660,0sleep10-21swapper/107:10:131
59662650,0sleep00-21swapper/010:06:020
32270992423,1cyclictest9-21ksoftirqd/009:10:000
32270991615,1cyclictest9-21ksoftirqd/010:25:010
32270991514,1cyclictest9-21ksoftirqd/012:35:120
32270991513,1cyclictest9-21ksoftirqd/012:10:100
32270991510,0cyclictest9-21ksoftirqd/012:20:170
32270991414,0cyclictest9-21ksoftirqd/010:50:140
32270991413,1cyclictest9-21ksoftirqd/011:05:000
32280991311,1cyclictest28-21ksoftirqd/212:20:012
3228099130,12cyclictest3305-21/usr/sbin/munin07:15:162
32270991313,0cyclictest9-21ksoftirqd/011:25:110
32270991312,1cyclictest9-21ksoftirqd/009:25:180
32270991311,1cyclictest9-21ksoftirqd/012:00:180
32270991311,1cyclictest9-21ksoftirqd/011:20:000
32285991212,0cyclictest35-21ksoftirqd/308:15:203
3227099122,5cyclictest9-21ksoftirqd/008:25:110
32270991211,1cyclictest9-21ksoftirqd/009:10:090
32270991211,1cyclictest9-21ksoftirqd/007:40:160
32270991211,0cyclictest9-21ksoftirqd/011:05:130
32270991211,0cyclictest9-21ksoftirqd/010:10:110
32270991211,0cyclictest9-21ksoftirqd/008:55:120
32270991210,1cyclictest9-21ksoftirqd/012:10:000
32270991210,1cyclictest9-21ksoftirqd/011:39:590
32270991210,1cyclictest9-21ksoftirqd/010:59:590
32270991210,1cyclictest9-21ksoftirqd/010:05:010
32270991210,1cyclictest9-21ksoftirqd/009:50:130
32270991210,1cyclictest9-21ksoftirqd/009:30:170
32270991210,1cyclictest9-21ksoftirqd/008:20:000
32270991210,1cyclictest9-21ksoftirqd/007:15:120
32285991111,0cyclictest35-21ksoftirqd/310:30:013
3228099110,10cyclictest0-21swapper/210:30:132
3227099119,1cyclictest9-21ksoftirqd/010:45:150
3227099119,1cyclictest9-21ksoftirqd/010:35:190
3227099119,1cyclictest9-21ksoftirqd/010:20:010
3227099119,1cyclictest9-21ksoftirqd/010:00:000
3227099119,1cyclictest9-21ksoftirqd/009:39:590
3227099119,1cyclictest9-21ksoftirqd/008:20:200
3227099114,6cyclictest9-21ksoftirqd/011:40:150
32270991111,0cyclictest9-21ksoftirqd/012:29:370
32270991110,1cyclictest9-21ksoftirqd/012:30:120
32270991110,1cyclictest9-21ksoftirqd/011:20:200
32270991110,1cyclictest9-21ksoftirqd/011:10:140
32270991110,1cyclictest9-21ksoftirqd/011:10:130
32270991110,1cyclictest9-21ksoftirqd/010:41:400
32270991110,1cyclictest9-21ksoftirqd/010:25:090
32270991110,1cyclictest9-21ksoftirqd/009:19:390
32270991110,1cyclictest9-21ksoftirqd/008:40:180
32270991110,1cyclictest9-21ksoftirqd/007:20:110
3228599109,1cyclictest35-21ksoftirqd/311:50:203
3228599109,1cyclictest35-21ksoftirqd/311:10:003
3228599109,1cyclictest35-21ksoftirqd/307:10:143
3228599100,8cyclictest14763-21kworker/3:209:40:123
3228599100,0cyclictest0-21swapper/310:34:593
3227099109,1cyclictest9-21ksoftirqd/012:15:150
3227099109,1cyclictest9-21ksoftirqd/011:34:490
3227099109,1cyclictest9-21ksoftirqd/009:00:190
3227099109,1cyclictest9-21ksoftirqd/008:40:000
3227099109,1cyclictest9-21ksoftirqd/008:30:130
3227099109,1cyclictest9-21ksoftirqd/007:45:150
3227099108,1cyclictest9-21ksoftirqd/010:30:180
3227099108,1cyclictest9-21ksoftirqd/009:40:190
3227099108,1cyclictest9-21ksoftirqd/007:59:590
3227099108,1cyclictest9-21ksoftirqd/007:35:150
3227099107,2cyclictest9-21ksoftirqd/011:45:160
3227099104,2cyclictest561-21nscd07:10:120
32270991010,0cyclictest9-21ksoftirqd/008:50:160
322859999,0cyclictest30182-21sensors09:55:183
322859998,1cyclictest35-21ksoftirqd/312:00:213
322859998,1cyclictest35-21ksoftirqd/309:45:143
322859997,1cyclictest35-21ksoftirqd/309:10:123
322859993,5cyclictest35-21ksoftirqd/312:20:183
322809998,1cyclictest28-21ksoftirqd/212:15:012
322809997,1cyclictest28-21ksoftirqd/210:10:192
322809997,1cyclictest28-21ksoftirqd/208:05:002
322809995,3cyclictest10677-21cat12:20:142
322809991,7cyclictest17574-21/usr/sbin/munin12:30:192
322709999,0cyclictest9-21ksoftirqd/009:20:140
322709998,1cyclictest9-21ksoftirqd/009:45:160
322709997,1cyclictest9-21ksoftirqd/012:00:010
322709997,1cyclictest9-21ksoftirqd/011:50:170
322709997,1cyclictest9-21ksoftirqd/008:10:000
322859988,0cyclictest35-21ksoftirqd/311:10:183
322859988,0cyclictest35-21ksoftirqd/311:10:183
322859987,1cyclictest35-21ksoftirqd/311:00:163
322859986,1cyclictest35-21ksoftirqd/312:10:143
322859984,1cyclictest12042-21ssh09:32:243
322859981,5cyclictest14763-21kworker/3:210:10:033
322859980,4cyclictest0-21swapper/310:00:023
322859980,1cyclictest0-21swapper/309:35:113
322809987,1cyclictest28-21ksoftirqd/212:05:012
322809987,1cyclictest22094-21sensors09:00:212
322809986,1cyclictest61650irq/122-eno110:00:202
322809986,1cyclictest28-21ksoftirqd/212:30:012
322809986,1cyclictest28-21ksoftirqd/210:40:002
322809986,1cyclictest28-21ksoftirqd/209:50:122
322809985,1cyclictest61650irq/122-eno112:39:382
322809985,1cyclictest61650irq/122-eno109:33:182
322809980,5cyclictest6866-21sort09:25:202
322809980,5cyclictest25380-21diskmemload11:05:192
322809980,5cyclictest0-21swapper/211:20:122
322709988,0cyclictest9-21ksoftirqd/008:00:160
322709987,1cyclictest9-21ksoftirqd/008:15:010
322709987,1cyclictest9-21ksoftirqd/007:50:120
322709986,1cyclictest9-21ksoftirqd/008:45:150
322709986,1cyclictest9-21ksoftirqd/007:30:120
322859977,0cyclictest35-21ksoftirqd/311:55:133
322859977,0cyclictest35-21ksoftirqd/311:45:133
322859977,0cyclictest35-21ksoftirqd/310:50:143
322859977,0cyclictest13650irq/124-ahci[0010:45:003
322859976,1cyclictest35-21ksoftirqd/312:30:133
322859976,1cyclictest35-21ksoftirqd/310:20:153
322859976,1cyclictest35-21ksoftirqd/309:20:003
322859976,1cyclictest35-21ksoftirqd/307:35:153
322859976,1cyclictest35-21ksoftirqd/307:25:013
322859976,0cyclictest35-21ksoftirqd/309:50:193
322859975,1cyclictest35-21ksoftirqd/310:15:133
322859975,1cyclictest35-21ksoftirqd/309:05:013
322859975,1cyclictest35-21ksoftirqd/309:00:183
322859975,1cyclictest35-21ksoftirqd/308:40:143
322859975,1cyclictest35-21ksoftirqd/308:35:003
322859975,1cyclictest35-21ksoftirqd/307:30:163
322859975,1cyclictest13745-21ssh11:41:013
322859975,1cyclictest12086-21ssh10:56:403
322859974,1cyclictest35-21ksoftirqd/307:52:013
322859973,2cyclictest30763-21apt-get12:05:113
322859973,1cyclictest25380-21diskmemload11:25:193
322859972,3cyclictest769-21lldpd11:39:173
322859970,3cyclictest3977-21apt-get08:25:103
322859970,2cyclictest0-21swapper/312:15:153
322859970,1cyclictest0-21swapper/312:35:173
322809976,1cyclictest61650irq/122-eno112:07:212
322809976,1cyclictest61650irq/122-eno110:50:122
322809976,1cyclictest61650irq/122-eno110:41:192
322809976,1cyclictest61650irq/122-eno109:22:122
322809976,1cyclictest61650irq/122-eno109:15:082
322809976,1cyclictest61650irq/122-eno109:09:592
322809976,1cyclictest28-21ksoftirqd/208:15:002
322809976,1cyclictest128242sleep210:58:402
322809976,0cyclictest61650irq/122-eno110:49:592
322809975,1cyclictest61650irq/122-eno110:25:142
322809975,1cyclictest61650irq/122-eno109:35:572
322809975,1cyclictest28-21ksoftirqd/211:55:002
322809975,1cyclictest28-21ksoftirqd/211:45:142
322809975,1cyclictest28-21ksoftirqd/207:59:592
322809975,1cyclictest21844-21cat09:45:142
322809973,2cyclictest240-21systemd-journal08:35:002
322809971,5cyclictest29030-21kworker/u8:011:35:482
322809971,5cyclictest27852-21kworker/u8:209:14:512
322809970,6cyclictest0-21swapper/211:55:162
322809970,5cyclictest18074-21irqstats09:40:162
322759971,4cyclictest0-21swapper/109:35:181
322759970,6cyclictest0-21swapper/109:10:121
322759970,5cyclictest0-21swapper/110:29:061
322709976,1cyclictest9-21ksoftirqd/007:25:130
322859966,0cyclictest35-21ksoftirqd/308:10:143
322859966,0cyclictest267661/usr/sbin/munin10:35:143
322859965,1cyclictest6800-21ssh10:08:203
322859965,1cyclictest35-21ksoftirqd/311:30:143
322859965,1cyclictest35-21ksoftirqd/308:50:193
322859965,1cyclictest35-21ksoftirqd/308:20:223
322859965,1cyclictest35-21ksoftirqd/308:04:593
322859965,1cyclictest35-21ksoftirqd/307:25:123
322859965,1cyclictest31607-21ssh11:22:543
322859964,1cyclictest35-21ksoftirqd/311:15:163
322859964,1cyclictest35-21ksoftirqd/310:45:173
322859964,1cyclictest35-21ksoftirqd/307:55:183
322859964,1cyclictest35-21ksoftirqd/307:40:163
322859964,1cyclictest35-21ksoftirqd/307:15:013
322859962,3cyclictest5342-21apt-get09:25:123
322859962,1cyclictest26949-21/usr/sbin/munin08:05:153
322859961,3cyclictest0-21swapper/309:20:113
322859960,5cyclictest27020-21kworker/3:008:30:183
322809966,0cyclictest61650irq/122-eno111:40:012
322809966,0cyclictest61650irq/122-eno111:25:262
322809966,0cyclictest61650irq/122-eno111:10:552
322809966,0cyclictest61650irq/122-eno111:10:542
322809966,0cyclictest61650irq/122-eno111:00:162
322809966,0cyclictest61650irq/122-eno109:58:372
322809966,0cyclictest61650irq/122-eno108:55:142
322809966,0cyclictest61650irq/122-eno108:43:282
322809966,0cyclictest61650irq/122-eno108:35:122
322809966,0cyclictest61650irq/122-eno107:35:122
322809966,0cyclictest61650irq/122-eno107:31:062
322809966,0cyclictest61650irq/122-eno107:25:022
322809966,0cyclictest61650irq/122-eno107:11:472
322809965,1cyclictest61650irq/122-eno111:30:102
322809965,1cyclictest61650irq/122-eno110:15:142
322809965,1cyclictest61650irq/122-eno108:51:252
322809965,1cyclictest61650irq/122-eno108:19:162
322809965,1cyclictest61650irq/122-eno108:05:132
322809965,1cyclictest3862-21ssh10:05:002
322809965,1cyclictest28-21ksoftirqd/207:20:122
322809964,1cyclictest61650irq/122-eno111:15:122
322809964,1cyclictest61650irq/122-eno107:50:152
322809964,1cyclictest61650irq/122-eno107:45:182
322809964,1cyclictest28-21ksoftirqd/208:20:172
322809963,2cyclictest0-21swapper/210:20:172
322809960,5cyclictest15118-21/usr/sbin/munin07:40:172
322759966,0cyclictest0-21swapper/109:59:551
322759965,1cyclictest0-21swapper/112:19:451
322759961,4cyclictest0-21swapper/112:25:161
322759960,6cyclictest0-21swapper/111:04:301
322759960,5cyclictest0-21swapper/110:30:151
322759960,4cyclictest0-21swapper/110:22:141
322759960,3cyclictest0-21swapper/111:30:401
322759960,2cyclictest0-21swapper/108:00:141
322759960,0cyclictest0-21swapper/109:21:081
322859954,1cyclictest35-21ksoftirqd/312:25:133
322859954,1cyclictest35-21ksoftirqd/308:55:133
322859953,1cyclictest13615-21apt-get08:45:123
322809955,0cyclictest61650irq/122-eno108:25:122
322809953,1cyclictest28-21ksoftirqd/208:45:142
322759955,0cyclictest0-21swapper/111:21:231
322759954,1cyclictest0-21swapper/108:55:211
322759952,1cyclictest0-21swapper/111:17:111
322759951,3cyclictest0-21swapper/109:31:171
322759950,5cyclictest0-21swapper/111:13:551
322759950,5cyclictest0-21swapper/111:13:541
322759950,5cyclictest0-21swapper/109:49:071
322759950,4cyclictest0-21swapper/112:05:161
322759950,4cyclictest0-21swapper/111:50:451
322759950,4cyclictest0-21swapper/111:41:391
322759950,4cyclictest0-21swapper/111:38:111
322759950,4cyclictest0-21swapper/108:25:141
322759950,3cyclictest0-21swapper/111:25:251
322759950,3cyclictest0-21swapper/110:19:371
322759950,3cyclictest0-21swapper/109:25:221
322759950,2cyclictest0-21swapper/111:45:101
322759950,2cyclictest0-21swapper/111:08:151
322759950,2cyclictest0-21swapper/110:52:221
322759950,2cyclictest0-21swapper/110:46:451
322759950,2cyclictest0-21swapper/109:40:321
322759950,1cyclictest0-21swapper/110:40:011
322759950,1cyclictest0-21swapper/110:05:111
322759950,1cyclictest0-21swapper/108:40:111
322759950,0cyclictest0-21swapper/112:37:171
322759950,0cyclictest0-21swapper/107:50:161
322859943,1cyclictest35-21ksoftirqd/307:45:163
322759941,3cyclictest0-21swapper/109:00:091
322759941,2cyclictest0-21swapper/108:45:111
322759941,1cyclictest0-21swapper/110:10:111
322759941,1cyclictest0-21swapper/108:35:121
322759940,4cyclictest0-21swapper/108:53:271
322759940,4cyclictest0-21swapper/108:32:571
322759940,4cyclictest0-21swapper/107:58:251
322759940,4cyclictest0-21swapper/107:30:371
322759940,3cyclictest0-21swapper/112:33:271
322759940,3cyclictest0-21swapper/111:56:351
322759940,3cyclictest0-21swapper/110:39:341
322759940,3cyclictest0-21swapper/109:50:481
322759940,3cyclictest0-21swapper/108:05:111
322759940,3cyclictest0-21swapper/107:40:011
322759940,2cyclictest0-21swapper/112:22:201
322759940,2cyclictest0-21swapper/110:55:111
322759940,1cyclictest0-21swapper/112:10:111
322759940,1cyclictest0-21swapper/112:00:231
322759940,1cyclictest0-21swapper/110:00:101
322759940,1cyclictest0-21swapper/107:45:141
322759940,0cyclictest0-21swapper/109:15:111
322759940,0cyclictest0-21swapper/109:10:001
322759940,0cyclictest0-21swapper/107:20:121
322759940,0cyclictest0-21swapper/107:15:171
322759931,1cyclictest0-21swapper/108:20:121
322759931,1cyclictest0-21swapper/108:15:111
322759931,1cyclictest0-21swapper/108:10:121
322759931,1cyclictest0-21swapper/107:25:111
322759930,1cyclictest0-21swapper/107:40:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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