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2026-07-07 - 22:45
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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 792 highest latencies:
System rack1slot1.osadl.org (updated Tue Jul 07, 2026 12:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
97102211150,22sleep30-21swapper/307:07:433
98142208158,24sleep00-21swapper/007:09:050
96742205165,25sleep20-21swapper/207:07:152
96782196159,24sleep10-21swapper/107:07:181
998199230,23cyclictest0-21swapper/010:10:120
10001991717,0cyclictest35-21ksoftirqd/309:19:253
10001991616,0cyclictest35-21ksoftirqd/312:28:073
10001991616,0cyclictest35-21ksoftirqd/310:40:533
10001991616,0cyclictest35-21ksoftirqd/309:32:093
1000199158,7cyclictest35-21ksoftirqd/311:02:373
10001991515,0cyclictest35-21ksoftirqd/312:34:083
10001991515,0cyclictest35-21ksoftirqd/309:57:303
10001991515,0cyclictest35-21ksoftirqd/309:52:493
10001991515,0cyclictest35-21ksoftirqd/309:24:143
10001991414,0cyclictest35-21ksoftirqd/312:37:033
10001991414,0cyclictest35-21ksoftirqd/312:17:393
10001991414,0cyclictest35-21ksoftirqd/311:57:303
10001991414,0cyclictest35-21ksoftirqd/310:48:253
10001991414,0cyclictest35-21ksoftirqd/309:28:233
998399130,12cyclictest0-21swapper/109:05:191
998199130,12cyclictest26270-21sh09:40:110
998199130,12cyclictest0-21swapper/008:35:160
101632130,0sleep20-21swapper/208:15:112
10001991313,0cyclictest35-21ksoftirqd/311:53:383
10001991313,0cyclictest35-21ksoftirqd/311:28:213
10001991313,0cyclictest35-21ksoftirqd/311:15:153
10001991313,0cyclictest35-21ksoftirqd/311:14:533
10001991313,0cyclictest35-21ksoftirqd/310:35:133
10001991313,0cyclictest35-21ksoftirqd/309:48:403
10001991312,1cyclictest35-21ksoftirqd/312:10:003
10001991312,1cyclictest35-21ksoftirqd/308:00:003
10001991311,1cyclictest13880-21grep08:20:233
999399120,11cyclictest0-21swapper/210:28:262
9981991211,1cyclictest9-21ksoftirqd/011:29:590
10001991212,0cyclictest35-21ksoftirqd/312:01:153
10001991212,0cyclictest35-21ksoftirqd/312:01:143
10001991212,0cyclictest35-21ksoftirqd/311:48:513
10001991212,0cyclictest35-21ksoftirqd/310:22:153
10001991212,0cyclictest35-21ksoftirqd/310:01:293
10001991212,0cyclictest35-21ksoftirqd/309:40:203
10001991212,0cyclictest35-21ksoftirqd/308:41:033
10001991211,1cyclictest35-21ksoftirqd/311:45:003
10001991211,1cyclictest35-21ksoftirqd/309:37:043
10001991211,1cyclictest35-21ksoftirqd/309:10:003
10001991210,2cyclictest35-21ksoftirqd/311:25:003
10001991210,1cyclictest35-21ksoftirqd/309:15:013
10001991210,1cyclictest35-21ksoftirqd/308:35:013
9981991110,1cyclictest9-21ksoftirqd/009:55:010
1000199119,1cyclictest35-21ksoftirqd/310:27:253
1000199119,1cyclictest35-21ksoftirqd/308:59:593
1000199119,1cyclictest35-21ksoftirqd/307:10:153
10001991111,0cyclictest35-21ksoftirqd/312:15:003
10001991111,0cyclictest35-21ksoftirqd/311:32:323
10001991110,1cyclictest35-21ksoftirqd/312:20:163
10001991110,1cyclictest35-21ksoftirqd/311:05:143
10001991110,1cyclictest35-21ksoftirqd/310:55:213
10001991110,1cyclictest35-21ksoftirqd/310:52:553
10001991110,1cyclictest35-21ksoftirqd/310:30:113
10001991110,1cyclictest35-21ksoftirqd/310:15:173
10001991110,1cyclictest35-21ksoftirqd/310:14:143
10001991110,1cyclictest35-21ksoftirqd/310:05:123
10001991110,1cyclictest35-21ksoftirqd/310:05:113
10001991110,1cyclictest35-21ksoftirqd/309:00:183
10001991110,1cyclictest35-21ksoftirqd/308:55:003
10001991110,1cyclictest35-21ksoftirqd/307:25:113
10001991110,1cyclictest35-21ksoftirqd/307:15:013
999399101,8cyclictest15412-21taskset07:15:552
998199108,1cyclictest9-21ksoftirqd/011:00:000
998199108,1cyclictest9-21ksoftirqd/007:15:010
998199100,5cyclictest11750-21latency_hist10:05:000
1000199109,1cyclictest35-21ksoftirqd/308:45:143
1000199109,1cyclictest35-21ksoftirqd/308:35:013
1000199109,1cyclictest35-21ksoftirqd/308:25:153
1000199109,1cyclictest35-21ksoftirqd/308:05:143
1000199109,1cyclictest35-21ksoftirqd/307:50:113
1000199109,1cyclictest35-21ksoftirqd/307:49:593
1000199109,1cyclictest35-21ksoftirqd/307:35:013
1000199108,1cyclictest35-21ksoftirqd/308:15:123
1000199108,1cyclictest35-21ksoftirqd/308:10:123
1000199108,1cyclictest35-21ksoftirqd/307:40:143
10001991010,0cyclictest35-21ksoftirqd/311:35:113
99939991,7cyclictest61650irq/122-eno112:30:212
99939990,9cyclictest0-21swapper/211:47:092
99839990,3cyclictest0-21swapper/110:50:111
99839990,2cyclictest0-21swapper/111:00:161
99819999,0cyclictest9-21ksoftirqd/009:33:020
99819998,1cyclictest9-21ksoftirqd/009:45:010
99819995,3cyclictest26588-21/usr/sbin/munin10:25:140
99819993,5cyclictest1596-21/usr/sbin/munin10:35:200
99819991,6cyclictest3624-21diskmemload11:57:490
99819990,3cyclictest5773-21apt-get12:10:110
100019998,1cyclictest35-21ksoftirqd/308:00:133
100019998,1cyclictest35-21ksoftirqd/307:30:013
100019998,1cyclictest35-21ksoftirqd/307:30:003
100019998,1cyclictest35-21ksoftirqd/307:20:183
99939986,1cyclictest693-21runrttasks12:39:352
99939986,1cyclictest61650irq/122-eno110:35:212
99939986,1cyclictest61650irq/122-eno108:35:012
99939985,2cyclictest15556-21ssh12:21:492
99939984,1cyclictest548-21systemd-logind09:32:072
99939982,4cyclictest28-21ksoftirqd/211:04:212
99939980,4cyclictest3624-21diskmemload11:55:122
99939980,4cyclictest10152-21perl12:15:172
99939980,0cyclictest0-21swapper/211:34:502
99839980,5cyclictest0-21swapper/108:15:101
99819987,1cyclictest9-21ksoftirqd/012:00:150
99819987,1cyclictest9-21ksoftirqd/012:00:150
99819987,1cyclictest9-21ksoftirqd/008:59:590
99819986,1cyclictest9-21ksoftirqd/011:30:140
99819982,5cyclictest13006-21apt-config07:15:000
99819980,5cyclictest24136-21/usr/sbin/munin12:35:110
99819980,4cyclictest3624-21diskmemload11:38:170
99819980,4cyclictest0-21swapper/008:50:110
99939976,1cyclictest61650irq/122-eno111:51:102
99939976,1cyclictest61650irq/122-eno111:26:452
99939976,1cyclictest61650irq/122-eno110:51:502
99939976,1cyclictest61650irq/122-eno110:43:562
99939976,1cyclictest61650irq/122-eno109:15:142
99939976,1cyclictest28-21ksoftirqd/209:24:422
99939976,0cyclictest61650irq/122-eno112:25:102
99939976,0cyclictest61650irq/122-eno112:01:502
99939976,0cyclictest61650irq/122-eno112:01:502
99939975,1cyclictest61650irq/122-eno112:10:152
99939975,1cyclictest61650irq/122-eno108:09:592
99939975,1cyclictest17472-21ssh10:10:272
99939972,4cyclictest15853-21cron10:55:012
99939970,4cyclictest0-21swapper/208:20:132
99939970,1cyclictest0-21swapper/211:35:092
99839977,0cyclictest0-21swapper/111:54:071
99839971,5cyclictest0-21swapper/109:15:221
99839970,5cyclictest0-21swapper/111:55:111
99839970,4cyclictest0-21swapper/109:57:081
99839970,3cyclictest0-21swapper/107:50:151
99839970,2cyclictest0-21swapper/111:40:101
99819976,1cyclictest9-21ksoftirqd/007:30:160
99819976,1cyclictest9-21ksoftirqd/007:30:150
99819976,1cyclictest5950-21ssh09:11:370
99819975,1cyclictest9-21ksoftirqd/007:55:000
99819975,1cyclictest3640-21awk09:10:000
99819975,1cyclictest24592-21cat11:50:160
99819975,1cyclictest19788-21ssh11:00:090
99819974,1cyclictest240-21systemd-journal07:25:000
99819973,2cyclictest240-21systemd-journal10:07:390
99819973,2cyclictest240-21systemd-journal10:07:380
99819973,2cyclictest240-21systemd-journal09:26:090
99819973,2cyclictest240-21systemd-journal08:10:000
99819973,1cyclictest240-21systemd-journal08:20:010
99819972,4cyclictest23416-21/usr/sbin/munin11:05:120
99819971,3cyclictest20521-21apt-get12:30:130
99819970,6cyclictest3624-21diskmemload09:15:110
99819970,6cyclictest3330-1kworker/u9:010:15:480
99819970,6cyclictest31692-21memory11:15:170
99819970,6cyclictest31110-21ssh10:30:150
99819970,6cyclictest15405-21head08:25:150
99819970,6cyclictest11322-21aten_r1power_vo09:20:120
99819970,6cyclictest0-21swapper/012:25:120
99819970,6cyclictest0-21swapper/009:40:000
99819970,6cyclictest0-21swapper/007:55:100
99819970,4cyclictest8896-21apt-get10:45:120
99819970,1cyclictest6454-21ntp_states10:40:170
99819970,1cyclictest24849-21ssh10:20:380
99819970,1cyclictest240-21systemd-journal08:13:060
99819970,1cyclictest16360-21ssh11:40:010
99819970,1cyclictest15534-21ssh10:54:030
99819970,1cyclictest11920-21ssh12:17:290
99819970,1cyclictest0-21swapper/012:05:160
99819970,1cyclictest0-21swapper/011:23:280
3858270,0sleep20-21swapper/211:20:552
99939966,0cyclictest61650irq/122-eno111:42:402
99939966,0cyclictest61650irq/122-eno111:15:372
99939966,0cyclictest61650irq/122-eno111:11:232
99939966,0cyclictest61650irq/122-eno111:05:022
99939966,0cyclictest61650irq/122-eno110:45:192
99939966,0cyclictest61650irq/122-eno110:31:092
99939966,0cyclictest61650irq/122-eno110:00:072
99939966,0cyclictest61650irq/122-eno109:55:182
99939966,0cyclictest61650irq/122-eno109:50:292
99939966,0cyclictest61650irq/122-eno109:45:142
99939966,0cyclictest61650irq/122-eno109:40:152
99939966,0cyclictest61650irq/122-eno109:35:162
99939966,0cyclictest61650irq/122-eno109:28:382
99939966,0cyclictest61650irq/122-eno109:12:052
99939966,0cyclictest61650irq/122-eno108:50:132
99939966,0cyclictest61650irq/122-eno108:25:412
99939966,0cyclictest61650irq/122-eno107:56:112
99939966,0cyclictest61650irq/122-eno107:54:552
99939966,0cyclictest61650irq/122-eno107:45:132
99939966,0cyclictest61650irq/122-eno107:35:102
99939965,1cyclictest61650irq/122-eno112:05:302
99939965,1cyclictest61650irq/122-eno110:15:472
99939965,1cyclictest61650irq/122-eno110:05:092
99939965,1cyclictest61650irq/122-eno110:05:092
99939965,1cyclictest22948-21ssh10:20:072
99939965,1cyclictest0-21swapper/208:55:122
99939964,1cyclictest61650irq/122-eno108:00:152
99939964,1cyclictest61650irq/122-eno107:30:172
99939964,1cyclictest61650irq/122-eno107:30:162
99939964,1cyclictest12582-21apt-key07:15:012
99939962,3cyclictest27319-21threads07:40:202
99939961,3cyclictest0-21swapper/209:00:102
99939960,4cyclictest0-21swapper/207:20:112
99839966,0cyclictest0-21swapper/109:30:321
99839961,3cyclictest0-21swapper/110:43:081
99839961,3cyclictest0-21swapper/109:47:111
99839961,2cyclictest0-21swapper/110:00:181
99839960,6cyclictest0-21swapper/111:21:431
99839960,6cyclictest0-21swapper/111:10:301
99839960,6cyclictest0-21swapper/108:35:201
99839960,3cyclictest0-21swapper/111:10:011
99839960,3cyclictest0-21swapper/110:12:011
99839960,2cyclictest0-21swapper/112:25:131
99839960,2cyclictest0-21swapper/110:35:111
99839960,1cyclictest0-21swapper/107:25:011
99839960,0cyclictest0-21swapper/112:38:341
99839960,0cyclictest0-21swapper/110:34:581
99819965,1cyclictest4335-1kworker/u9:112:22:020
99819960,5cyclictest0-21swapper/011:10:120
99819960,2cyclictest0-21swapper/007:40:110
99819960,1cyclictest0-21swapper/009:00:110
99819960,0cyclictest0-21swapper/011:45:110
99819960,0cyclictest0-21swapper/009:50:210
99819960,0cyclictest0-21swapper/008:45:130
99819960,0cyclictest0-21swapper/008:34:000
99819960,0cyclictest0-21swapper/007:25:210
99939955,0cyclictest61650irq/122-eno109:05:202
99939955,0cyclictest61650irq/122-eno108:40:252
99939955,0cyclictest61650irq/122-eno108:35:122
99939955,0cyclictest61650irq/122-eno108:10:102
99939954,1cyclictest61650irq/122-eno107:25:112
99939950,4cyclictest24608-21hostname08:45:142
99839955,0cyclictest0-21swapper/110:05:121
99839955,0cyclictest0-21swapper/110:05:121
99839955,0cyclictest0-21swapper/109:44:041
99839952,0cyclictest0-21swapper/108:00:131
99839951,4cyclictest0-21swapper/107:49:021
99839951,4cyclictest0-21swapper/107:15:271
99839951,3cyclictest0-21swapper/112:20:001
99839951,3cyclictest0-21swapper/112:17:361
99839951,3cyclictest0-21swapper/112:05:101
99839951,3cyclictest0-21swapper/109:00:141
99839951,1cyclictest0-21swapper/112:30:041
99839950,5cyclictest0-21swapper/108:50:171
99839950,5cyclictest0-21swapper/107:26:381
99839950,4cyclictest0-21swapper/110:55:181
99839950,4cyclictest0-21swapper/109:20:161
99839950,4cyclictest0-21swapper/108:40:181
99839950,3cyclictest0-21swapper/111:35:051
99839950,2cyclictest0-21swapper/112:10:271
99839950,2cyclictest0-21swapper/111:33:391
99839950,2cyclictest0-21swapper/110:29:001
99839950,2cyclictest0-21swapper/110:15:111
99839950,2cyclictest0-21swapper/109:53:421
99839950,2cyclictest0-21swapper/109:39:531
99839950,2cyclictest0-21swapper/109:25:191
99839950,1cyclictest0-21swapper/112:00:151
99839950,1cyclictest0-21swapper/112:00:151
99839950,1cyclictest0-21swapper/111:45:211
99839950,1cyclictest0-21swapper/111:25:591
99839950,1cyclictest0-21swapper/110:45:181
99839950,1cyclictest0-21swapper/108:05:201
99839950,0cyclictest0-21swapper/110:20:321
99839950,0cyclictest0-21swapper/109:13:001
99839950,0cyclictest0-21swapper/108:10:111
99819954,0cyclictest2849-21apt-get08:00:110
99819950,5cyclictest0-21swapper/008:40:080
99819950,5cyclictest0-21swapper/007:35:140
99819950,4cyclictest12992-21perl08:20:170
99819950,0cyclictest0-21swapper/007:45:540
99839944,0cyclictest0-21swapper/108:29:121
99839944,0cyclictest0-21swapper/107:35:511
99839943,1cyclictest24732sleep107:58:361
99839942,1cyclictest265112chrt08:48:531
99839942,1cyclictest13938-21chrt08:20:231
99839941,3cyclictest0-21swapper/108:56:091
99839941,3cyclictest0-21swapper/108:33:471
99839940,4cyclictest0-21swapper/107:15:001
99839940,2cyclictest0-21swapper/111:15:211
99839940,0cyclictest0-21swapper/107:30:231
99839940,0cyclictest0-21swapper/107:30:221
99839931,1cyclictest0-21swapper/107:40:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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