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2026-04-17 - 15:47
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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 Fri Apr 17, 2026 12:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252552213149,21sleep00-21swapper/007:06:530
252552213149,21sleep00-21swapper/007:06:520
253822204155,23sleep30-21swapper/307:08:333
253822204155,23sleep30-21swapper/307:08:333
253092200161,25sleep20-21swapper/207:07:342
253092200161,25sleep20-21swapper/207:07:342
253482198160,25sleep10-21swapper/107:08:071
253482198160,25sleep10-21swapper/107:08:061
166362680,0sleep10-21swapper/109:46:061
229202610,0sleep20-21swapper/212:02:122
229862550,0sleep30-21swapper/310:38:093
305892190,0sleep10-21swapper/111:30:151
327352170,0sleep30-21swapper/312:15:143
25579991413,1cyclictest9-21ksoftirqd/010:25:110
25587991312,1cyclictest0-21swapper/109:15:151
2557999132,5cyclictest31832-21perf08:30:000
25579991312,1cyclictest9-21ksoftirqd/012:25:000
25605991210,1cyclictest35-21ksoftirqd/308:20:003
25605991210,1cyclictest35-21ksoftirqd/307:40:003
25600991211,1cyclictest0-21swapper/211:55:452
25600991211,1cyclictest0-21swapper/210:43:372
25600991211,1cyclictest0-21swapper/210:43:372
2558799129,2cyclictest0-21swapper/107:35:561
25587991212,0cyclictest0-21swapper/108:05:101
25587991211,1cyclictest0-21swapper/112:05:161
25587991211,1cyclictest0-21swapper/110:04:381
2557999123,4cyclictest5677-21grep07:35:000
25579991210,1cyclictest9-21ksoftirqd/011:04:590
25579991210,1cyclictest9-21ksoftirqd/009:14:590
25579991210,1cyclictest9-21ksoftirqd/008:10:000
25605991110,1cyclictest35-21ksoftirqd/308:50:003
25600991110,1cyclictest0-21swapper/212:13:472
25600991110,1cyclictest0-21swapper/209:23:112
2558799119,1cyclictest0-21swapper/109:27:431
2558799114,7cyclictest0-21swapper/112:25:201
25587991110,1cyclictest0-21swapper/112:15:401
25587991110,1cyclictest0-21swapper/110:45:151
25587991110,1cyclictest0-21swapper/109:38:291
2557999119,1cyclictest9-21ksoftirqd/012:20:000
2557999119,1cyclictest9-21ksoftirqd/011:35:140
2557999119,1cyclictest9-21ksoftirqd/009:55:170
2557999119,1cyclictest9-21ksoftirqd/009:05:010
2557999119,1cyclictest9-21ksoftirqd/008:24:590
25579991110,1cyclictest9-21ksoftirqd/011:25:000
109142110,0sleep00-21swapper/011:45:310
312532100,0sleep30-21swapper/310:49:203
2560099100,9cyclictest29539-21cat08:24:592
2560099100,9cyclictest21590-21runrttasks11:19:152
2560099100,8cyclictest0-21swapper/210:25:132
2560099100,0cyclictest0-21swapper/209:28:492
2558799109,1cyclictest0-21swapper/112:37:221
2558799109,1cyclictest0-21swapper/112:20:031
2558799109,1cyclictest0-21swapper/111:48:081
2558799109,1cyclictest0-21swapper/111:40:281
2558799109,1cyclictest0-21swapper/111:13:381
2558799109,1cyclictest0-21swapper/111:06:461
2558799109,1cyclictest0-21swapper/110:56:251
2558799109,1cyclictest0-21swapper/110:28:091
2558799109,1cyclictest0-21swapper/110:11:511
2558799109,1cyclictest0-21swapper/108:25:131
2558799109,1cyclictest0-21swapper/107:55:201
2558799108,2cyclictest0-21swapper/112:31:311
2558799108,1cyclictest0-21swapper/111:21:101
2558799108,1cyclictest0-21swapper/111:15:141
2558799108,1cyclictest0-21swapper/109:14:281
2558799107,2cyclictest0-21swapper/110:43:381
2558799107,2cyclictest0-21swapper/110:43:371
2558799106,4cyclictest0-21swapper/109:59:591
2558799106,3cyclictest0-21swapper/110:20:151
2558799105,5cyclictest0-21swapper/111:36:111
2558799105,4cyclictest0-21swapper/109:44:231
2558799104,4cyclictest0-21swapper/109:24:211
2558799102,7cyclictest0-21swapper/111:29:251
2558799100,7cyclictest0-21swapper/110:35:131
2557999109,1cyclictest9-21ksoftirqd/012:15:000
2557999109,1cyclictest9-21ksoftirqd/011:50:200
2557999109,1cyclictest9-21ksoftirqd/010:45:120
2557999109,1cyclictest9-21ksoftirqd/008:50:010
2557999109,1cyclictest9-21ksoftirqd/007:24:590
2557999109,1cyclictest9-21ksoftirqd/007:15:020
2557999108,1cyclictest9-21ksoftirqd/011:55:130
2557999108,1cyclictest9-21ksoftirqd/011:05:120
2557999108,1cyclictest9-21ksoftirqd/010:35:110
2557999108,1cyclictest9-21ksoftirqd/009:45:010
2557999102,4cyclictest20021-21perf08:05:000
256059994,4cyclictest24726-21nscd09:49:403
256009998,1cyclictest0-21swapper/210:13:372
256009990,9cyclictest0-21swapper/207:56:332
256009990,8cyclictest22423-21sh09:14:392
256009990,1cyclictest220572sleep208:06:422
256009990,1cyclictest17280-21/usr/sbin/munin10:30:162
256009990,1cyclictest0-21swapper/208:38:452
256009990,1cyclictest0-21swapper/207:38:512
255879998,1cyclictest0-21swapper/112:14:161
255879998,1cyclictest0-21swapper/111:04:421
255879998,1cyclictest0-21swapper/110:53:521
255879998,1cyclictest0-21swapper/107:50:191
255879998,1cyclictest0-21swapper/107:20:231
255879996,3cyclictest0-21swapper/112:03:131
255879996,3cyclictest0-21swapper/109:31:221
255879995,3cyclictest0-21swapper/110:33:221
255879990,8cyclictest0-21swapper/108:45:131
255879990,7cyclictest0-21swapper/108:50:181
255879990,2cyclictest0-21swapper/110:15:111
255879990,1cyclictest0-21swapper/108:37:581
255879990,1cyclictest0-21swapper/107:31:351
255799998,1cyclictest9-21ksoftirqd/012:35:010
255799998,1cyclictest9-21ksoftirqd/009:25:200
255799998,1cyclictest9-21ksoftirqd/007:35:130
255799997,1cyclictest9-21ksoftirqd/012:35:140
255799997,1cyclictest9-21ksoftirqd/007:55:150
255799997,1cyclictest9-21ksoftirqd/007:50:150
255799997,1cyclictest9-21ksoftirqd/007:40:140
255799990,6cyclictest0-21swapper/010:55:100
255799990,3cyclictest0-21swapper/010:33:510
255799990,2cyclictest0-21swapper/010:53:120
256059987,1cyclictest35-21ksoftirqd/307:15:003
256059987,0cyclictest35-21ksoftirqd/311:00:003
256059986,1cyclictest35-21ksoftirqd/308:44:333
256059986,1cyclictest35-21ksoftirqd/308:40:003
256059981,3cyclictest18629-21diskmemload10:50:023
256009986,1cyclictest61650irq/122-eno110:05:142
256009986,1cyclictest61650irq/122-eno110:00:102
256009986,1cyclictest61650irq/122-eno107:15:012
256009986,1cyclictest31208-21apt-get07:20:102
256009986,1cyclictest0-21swapper/210:21:542
256009985,2cyclictest3393-21sed07:30:002
256009981,5cyclictest7734-21head11:00:142
256009981,5cyclictest0-21swapper/211:08:332
256009981,3cyclictest18629-21diskmemload11:45:102
256009980,7cyclictest0-21swapper/207:30:112
256009980,6cyclictest6130-21ntp_states10:15:182
256009980,6cyclictest0-21swapper/211:42:282
256009980,5cyclictest0-21swapper/211:31:222
256009980,3cyclictest18629-21diskmemload09:50:112
256009980,2cyclictest25982-21apt-get11:25:122
255879987,1cyclictest0-21swapper/111:57:531
255879987,1cyclictest0-21swapper/110:05:551
255879981,5cyclictest0-21swapper/108:40:111
255879980,7cyclictest0-21swapper/109:52:061
255799987,1cyclictest9-21ksoftirqd/012:05:130
255799987,1cyclictest9-21ksoftirqd/011:25:150
255799987,1cyclictest9-21ksoftirqd/010:40:000
255799987,1cyclictest9-21ksoftirqd/010:40:000
255799987,1cyclictest9-21ksoftirqd/010:20:000
255799987,1cyclictest9-21ksoftirqd/010:05:120
255799987,1cyclictest9-21ksoftirqd/010:00:120
255799987,1cyclictest9-21ksoftirqd/009:50:140
255799987,1cyclictest9-21ksoftirqd/008:55:140
255799987,1cyclictest9-21ksoftirqd/008:45:000
255799987,1cyclictest9-21ksoftirqd/007:25:150
255799986,1cyclictest9-21ksoftirqd/011:10:120
255799986,1cyclictest9-21ksoftirqd/009:45:000
255799986,1cyclictest9-21ksoftirqd/009:30:130
255799980,7cyclictest18629-21diskmemload11:15:200
255799980,7cyclictest17314-21hddtemp_smartct09:05:160
256059976,1cyclictest35-21ksoftirqd/308:05:003
256059976,1cyclictest17907-21sensors09:05:193
256059975,1cyclictest6285-21ssh09:34:433
256059975,1cyclictest35-21ksoftirqd/308:35:013
256059975,1cyclictest35-21ksoftirqd/307:55:003
256059975,1cyclictest25516-21ssh09:59:393
256059975,1cyclictest15024-21ssh10:27:123
256059974,1cyclictest35-21ksoftirqd/307:20:333
256059973,1cyclictest0-21swapper/312:05:173
256059971,3cyclictest18629-21diskmemload11:07:483
256059970,5cyclictest0-21swapper/309:35:133
256059970,4cyclictest27940-21kworker/3:008:05:123
256059970,4cyclictest0-21swapper/309:11:443
256059970,2cyclictest0-21swapper/311:15:453
256059970,2cyclictest0-21swapper/310:42:023
256059970,2cyclictest0-21swapper/310:42:013
256059970,1cyclictest0-21swapper/311:30:003
256009977,0cyclictest0-21swapper/211:38:432
256009977,0cyclictest0-21swapper/211:12:312
256009977,0cyclictest0-21swapper/209:06:052
256009977,0cyclictest0-21swapper/208:59:392
256009977,0cyclictest0-21swapper/208:46:592
256009977,0cyclictest0-21swapper/208:40:102
256009977,0cyclictest0-21swapper/208:17:272
256009977,0cyclictest0-21swapper/208:11:302
256009977,0cyclictest0-21swapper/208:00:292
256009976,1cyclictest61650irq/122-eno112:20:132
256009976,1cyclictest61650irq/122-eno110:45:452
256009976,1cyclictest61650irq/122-eno109:55:572
256009976,1cyclictest61650irq/122-eno109:17:372
256009975,1cyclictest61650irq/122-eno112:05:122
256009975,1cyclictest61650irq/122-eno110:50:192
256009975,1cyclictest61650irq/122-eno108:50:112
256009975,1cyclictest28-21ksoftirqd/210:55:182
256009975,1cyclictest14267-21ntpq07:50:182
256009975,1cyclictest10922-21apt-get12:30:132
256009974,2cyclictest8280-21ntp_states12:25:192
256009972,4cyclictest0-21swapper/207:40:132
256009971,4cyclictest0-21swapper/209:40:142
256009970,4cyclictest0-21swapper/212:16:112
255879977,0cyclictest0-21swapper/108:20:471
255879977,0cyclictest0-21swapper/108:03:361
255879977,0cyclictest0-21swapper/107:48:011
255879976,1cyclictest0-21swapper/109:00:191
255879976,1cyclictest0-21swapper/108:30:151
255879972,5cyclictest0-21swapper/111:54:371
255879971,1cyclictest0-21swapper/107:11:401
255879970,3cyclictest0-21swapper/107:15:141
255799976,1cyclictest9-21ksoftirqd/012:00:100
255799976,1cyclictest9-21ksoftirqd/009:35:130
255799976,1cyclictest9-21ksoftirqd/008:35:000
255799976,1cyclictest9-21ksoftirqd/008:15:120
255799975,1cyclictest6429-21ntp_states11:40:180
255799975,1cyclictest22895-21aten_r1power_en09:15:120
255799971,6cyclictest26892-21ssh09:20:050
255799970,6cyclictest24782-21date08:15:010
255799970,6cyclictest0-21swapper/011:30:130
255799970,6cyclictest0-21swapper/008:50:100
255799970,6cyclictest0-21swapper/008:30:130
255799970,1cyclictest8753-21ssh10:20:100
255799970,1cyclictest0-21swapper/012:25:130
256059965,1cyclictest9863-21ssh12:27:593
256059965,1cyclictest7184-21ssh11:40:443
256059965,1cyclictest5079-21ssh12:20:253
256059965,1cyclictest32168-21ssh11:31:183
256059965,1cyclictest30144-21ssh12:11:093
256059965,1cyclictest29041-21ssh09:21:073
256059965,1cyclictest28626-21ssh10:02:443
256059965,1cyclictest18788-21ssh11:56:203
256059965,1cyclictest16817-21ssh11:11:373
256059965,1cyclictest16632-21ssh12:35:433
256059965,1cyclictest16300-21ssh10:30:023
256059965,1cyclictest15076-21ssh11:51:363
256059965,1cyclictest1398-21ssh11:35:093
256059965,1cyclictest1106-21ssh10:10:093
256059965,1cyclictest10780-21ssh10:21:013
256059965,0cyclictest35-21ksoftirqd/308:00:013
256059964,1cyclictest35-21ksoftirqd/307:45:013
256059964,1cyclictest31832-21ssh10:06:073
256059964,1cyclictest1345-21ssh09:28:033
256059964,0cyclictest18629-21diskmemload11:45:443
256059961,3cyclictest0-21swapper/310:17:583
256059961,3cyclictest0-21swapper/309:50:123
256059961,2cyclictest11095-21/usr/sbin/munin12:30:133
256059960,3cyclictest0-21swapper/311:23:103
256059960,3cyclictest0-21swapper/309:40:463
256059960,2cyclictest6990-21apt-get11:00:103
256059960,1cyclictest240-21systemd-journal08:24:543
256059960,1cyclictest240-21systemd-journal07:50:003
256059960,0cyclictest0-21swapper/312:00:093
256009966,0cyclictest61650irq/122-eno111:20:102
256009966,0cyclictest61650irq/122-eno110:35:172
256009966,0cyclictest61650irq/122-eno109:30:182
256009966,0cyclictest61650irq/122-eno108:25:112
256009965,1cyclictest61650irq/122-eno109:46:122
256009965,1cyclictest29957-21ntpq07:15:172
256009964,1cyclictest61650irq/122-eno112:35:132
256009964,1cyclictest61650irq/122-eno111:50:172
256009964,1cyclictest61650irq/122-eno109:00:162
256009964,1cyclictest11501-21grep07:45:122
256009962,1cyclictest32470-21ls08:30:132
256009960,1cyclictest0-21swapper/209:35:112
255879964,2cyclictest0-21swapper/108:55:131
255879964,1cyclictest203-21jbd2/sda2-809:10:001
255879961,3cyclictest0-21swapper/108:15:171
255799965,1cyclictest9-21ksoftirqd/010:10:110
255799965,1cyclictest9-21ksoftirqd/007:45:120
255799965,1cyclictest9-21ksoftirqd/007:10:130
256059955,0cyclictest27940-21kworker/3:008:14:143
256059953,1cyclictest10384-21ntp_states08:50:163
256059952,1cyclictest240-21systemd-journal09:01:343
256059951,2cyclictest11580-21apt-get08:55:123
256059951,1cyclictest1132-21/usr/sbin/munin07:25:133
256059950,4cyclictest24536-21unixbench_multi09:15:203
256059950,1cyclictest240-21systemd-journal08:25:183
255879952,2cyclictest0-21swapper/107:43:071
255879951,2cyclictest0-21swapper/108:10:111
255879950,4cyclictest0-21swapper/107:25:151
256059940,3cyclictest3489-21/usr/sbin/munin07:30:113
256059940,1cyclictest240-21systemd-journal07:15:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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