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2026-04-23 - 13:38
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Thu Apr 23, 2026 12:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
654623570,4sleep30-21swapper/307:05:123
83862225150,25sleep20-21swapper/207:09:032
83372203140,49sleep00-21swapper/007:08:240
84522200162,25sleep10-21swapper/107:09:541
42992180,0sleep00-21swapper/011:20:110
856699172,2cyclictest28075-21uname08:55:172
8551991412,1cyclictest9-21ksoftirqd/009:40:000
8566991211,1cyclictest28-21ksoftirqd/208:40:002
8551991210,1cyclictest9-21ksoftirqd/008:24:590
855199121,5cyclictest11127-21date07:15:000
240982120,0sleep20-21swapper/211:45:162
857299119,1cyclictest35-21ksoftirqd/308:50:003
856699113,0cyclictest1382-21diskmemload11:58:132
855199111,5cyclictest19095-21sed10:14:590
855199111,5cyclictest16536-21perf07:25:010
857299107,2cyclictest13627-21apt-get09:25:113
856699105,1cyclictest2578-21ssh11:16:142
856699105,1cyclictest14651-21ssh11:33:132
856699103,0cyclictest61650irq/122-eno109:23:562
856699102,1cyclictest1204-21sed09:50:152
856699101,8cyclictest61650irq/122-eno112:20:142
856699101,1cyclictest240-21systemd-journal08:24:592
856699101,1cyclictest19965-21cut11:40:132
856699101,1cyclictest1382-21diskmemload12:05:152
856699100,2cyclictest12590-21tail10:05:142
61502100,0sleep31382-21diskmemload09:55:523
85729998,1cyclictest35-21ksoftirqd/310:40:003
85729998,1cyclictest35-21ksoftirqd/308:00:003
85669996,3cyclictest61650irq/122-eno112:39:402
85669996,3cyclictest61650irq/122-eno112:39:402
85669996,3cyclictest61650irq/122-eno110:43:352
85669996,3cyclictest61650irq/122-eno110:29:422
85669994,1cyclictest32023-21ntpq07:55:172
85669994,1cyclictest17998-21snmpd10:21:362
85669994,1cyclictest15572-21ssh12:16:182
85669993,1cyclictest30103-21grep09:00:162
85669992,1cyclictest583-21in:imuxsock10:40:002
85669991,1cyclictest240-21systemd-journal07:30:002
85669991,0cyclictest0-21swapper/211:20:132
85669990,4cyclictest0-21swapper/211:25:192
85669990,4cyclictest0-21swapper/210:10:142
85669990,3cyclictest10018-21systemctl08:19:592
85669990,2cyclictest240-21systemd-journal09:45:002
85669990,2cyclictest240-21systemd-journal08:15:002
85669990,1cyclictest240-21systemd-journal10:55:002
85669990,1cyclictest240-21systemd-journal10:05:002
85669990,1cyclictest240-21systemd-journal09:50:002
85669990,1cyclictest240-21systemd-journal09:39:562
85669990,1cyclictest240-21systemd-journal08:55:002
85669990,1cyclictest240-21systemd-journal07:50:002
85669990,1cyclictest240-21systemd-journal07:45:002
85669990,1cyclictest0-21swapper/210:58:432
85569990,6cyclictest0-21swapper/110:05:111
85569990,2cyclictest0-21swapper/109:20:121
85519998,1cyclictest9-21ksoftirqd/011:10:000
85519998,1cyclictest9-21ksoftirqd/009:05:000
85519998,1cyclictest9-21ksoftirqd/008:40:000
85519997,1cyclictest9-21ksoftirqd/010:00:140
85519997,1cyclictest9-21ksoftirqd/009:50:120
85519994,4cyclictest0-21swapper/008:10:180
85519991,4cyclictest609-21cut08:00:010
85519991,4cyclictest30663-21perf07:55:000
85729987,1cyclictest35-21ksoftirqd/307:15:013
85729986,1cyclictest17998-21snmpd10:26:183
85729986,1cyclictest17998-21snmpd09:34:523
85729986,1cyclictest17998-21snmpd09:15:513
85729986,1cyclictest17998-21snmpd08:20:253
85729980,4cyclictest0-21swapper/310:05:103
85669986,1cyclictest61650irq/122-eno112:25:152
85669986,1cyclictest61650irq/122-eno111:50:142
85669986,1cyclictest61650irq/122-eno109:15:002
85669986,1cyclictest61650irq/122-eno108:45:152
85669986,1cyclictest17998-21snmpd10:46:102
85669986,1cyclictest17998-21snmpd08:42:152
85669985,2cyclictest583-21in:imuxsock08:10:012
85669985,0cyclictest61650irq/122-eno109:25:142
85669985,0cyclictest61650irq/122-eno109:17:562
85669983,1cyclictest61650irq/122-eno111:00:142
85669983,1cyclictest61650irq/122-eno110:15:082
85669982,1cyclictest29180-21cpuspeed_turbos11:10:132
85669982,1cyclictest19055-21threads09:30:202
85669980,3cyclictest0-21swapper/208:25:122
85669980,1cyclictest240-21systemd-journal10:34:562
85669980,1cyclictest240-21systemd-journal07:35:002
85569980,6cyclictest0-21swapper/110:57:381
85519987,1cyclictest9-21ksoftirqd/010:50:000
85519986,1cyclictest9-21ksoftirqd/012:04:590
85519986,1cyclictest9-21ksoftirqd/010:45:000
85519981,6cyclictest26382-21timerandwakeup12:30:210
85519980,6cyclictest8828-21kworker/u8:212:10:480
85519980,6cyclictest561-21nscd07:30:110
85519980,6cyclictest17998-21snmpd09:11:060
85519980,5cyclictest30494-21ssh11:54:590
85519980,4cyclictest1847-21date11:59:590
85519980,1cyclictest479-21ssh10:31:040
12616280,1sleep10-21swapper/108:25:111
10121280,0sleep20-21swapper/212:10:112
85729976,1cyclictest35-21ksoftirqd/311:30:123
85729976,1cyclictest35-21ksoftirqd/310:55:133
85729976,1cyclictest17998-21snmpd12:39:073
85729976,1cyclictest17998-21snmpd12:39:073
85729976,1cyclictest17998-21snmpd11:03:353
85729976,1cyclictest17998-21snmpd10:49:353
85729976,1cyclictest17998-21snmpd09:12:573
85729976,1cyclictest0-21swapper/311:50:163
85729975,1cyclictest9870-21sshd11:25:243
85729975,1cyclictest18149-21cat12:20:143
85729975,1cyclictest17998-21snmpd11:12:563
85729975,1cyclictest17998-21snmpd10:13:483
85729975,1cyclictest17998-21snmpd09:43:353
85729975,1cyclictest17998-21snmpd08:09:373
85729971,4cyclictest1382-21diskmemload10:20:193
85729971,4cyclictest0-21swapper/312:00:103
85729971,3cyclictest814-21apt-get08:00:123
85729971,3cyclictest814-21apt-get08:00:113
85729970,4cyclictest0-21swapper/311:35:133
85729970,3cyclictest11648-21latency_hist10:05:013
85669975,1cyclictest17998-21snmpd11:36:172
85669975,0cyclictest61650irq/122-eno111:09:392
85669975,0cyclictest61650irq/122-eno109:57:482
85669974,0cyclictest61650irq/122-eno112:30:242
85669974,0cyclictest61650irq/122-eno112:04:112
85669972,1cyclictest17053-21chrt08:34:402
85669970,7cyclictest0-21swapper/207:16:172
85669970,5cyclictest0-21swapper/207:21:512
85569970,4cyclictest0-21swapper/111:29:171
85569970,3cyclictest0-21swapper/109:25:101
85569970,2cyclictest0-21swapper/110:05:001
85519976,1cyclictest9-21ksoftirqd/011:10:010
85519976,1cyclictest29942-21ssh10:28:110
85519976,1cyclictest21388-21ssh11:40:550
85519976,1cyclictest17998-21snmpd08:08:460
85519976,0cyclictest9-21ksoftirqd/007:19:590
85519976,0cyclictest1382-21diskmemload10:35:020
85519975,1cyclictest9-21ksoftirqd/008:55:120
85519975,1cyclictest9-21ksoftirqd/008:15:140
85519975,1cyclictest23570-21systemctl07:40:000
85519975,1cyclictest17998-21snmpd08:03:550
85519975,1cyclictest17998-21snmpd08:03:550
85519971,6cyclictest15511-1kworker/u9:009:28:340
85519971,4cyclictest4170-21ssh09:55:100
85519970,6cyclictest9765-21aten_r1power_cu09:20:130
85519970,6cyclictest6570-21perl12:05:140
85519970,6cyclictest27764-21sshd09:42:230
85519970,6cyclictest21740-21expr11:00:120
85519970,6cyclictest19562-21awk10:15:140
85519970,6cyclictest1389-21ssh11:15:160
85519970,6cyclictest1382-21diskmemload12:21:060
85519970,6cyclictest0-21swapper/012:25:150
85519970,6cyclictest0-21swapper/011:35:130
85519970,6cyclictest0-21swapper/010:50:100
85519970,6cyclictest0-21swapper/010:20:270
85519970,6cyclictest0-21swapper/007:45:110
85519970,1cyclictest25509-21grep07:40:210
85519970,1cyclictest24193-21ssh11:45:170
85519970,1cyclictest19887-21ssh09:31:390
85519970,1cyclictest17519-21ssh10:55:070
85519970,1cyclictest14126-21ssh11:31:450
85519970,1cyclictest13983-21chrt10:06:300
85519970,1cyclictest0-21swapper/011:25:080
85519970,1cyclictest0-21swapper/008:40:170
85729966,0cyclictest8919-21ssh12:08:493
85729965,1cyclictest35-21ksoftirqd/309:05:003
85729965,1cyclictest345-21ssh10:30:443
85729965,1cyclictest3036-21ssh09:52:453
85729965,1cyclictest27414-21ssh12:32:353
85729965,1cyclictest25120-21ssh11:05:103
85729965,1cyclictest24477-21ssh09:38:473
85729965,1cyclictest17998-21snmpd08:19:343
85729965,1cyclictest17998-21snmpd07:50:093
85729965,1cyclictest15823-21ssh12:16:583
85729965,1cyclictest12146-21ssh09:21:503
85729964,1cyclictest17998-21snmpd08:29:353
85729964,1cyclictest0-21swapper/310:50:123
85729963,1cyclictest13650irq/124-ahci[0007:35:003
85729962,2cyclictest0-21swapper/312:10:153
85729962,0cyclictest1382-21diskmemload11:46:383
85729961,3cyclictest21118-21switchtime08:40:193
85729961,3cyclictest19384-21apt-get11:40:113
85729961,1cyclictest26760-21apt-get08:55:103
85729961,1cyclictest0-21swapper/311:15:143
85729960,6cyclictest0-21swapper/310:16:093
85729960,3cyclictest6259-21taskset11:20:543
85729960,3cyclictest0-21swapper/308:10:123
85729960,2cyclictest0-21swapper/311:55:033
85729960,2cyclictest0-21swapper/310:43:493
85729960,0cyclictest0-21swapper/309:47:073
85669964,1cyclictest8952-21apt-get07:10:102
85669964,0cyclictest61650irq/122-eno107:50:202
85669960,4cyclictest0-21swapper/207:35:172
85569963,1cyclictest0-21swapper/109:55:111
85569961,2cyclictest0-21swapper/111:40:101
85569961,1cyclictest0-21swapper/111:45:151
85569961,1cyclictest0-21swapper/108:55:171
85569960,6cyclictest0-21swapper/111:34:041
85569960,6cyclictest0-21swapper/109:12:431
85569960,5cyclictest0-21swapper/108:20:251
85569960,4cyclictest0-21swapper/108:40:191
85569960,3cyclictest0-21swapper/111:15:001
85569960,3cyclictest0-21swapper/110:20:111
85569960,2cyclictest0-21swapper/112:27:531
85569960,2cyclictest0-21swapper/112:00:021
85569960,2cyclictest0-21swapper/111:52:451
85569960,2cyclictest0-21swapper/109:15:151
85569960,1cyclictest0-21swapper/110:10:151
85519965,1cyclictest31113-21ssh09:46:120
85519965,1cyclictest0-21swapper/012:35:210
85519965,1cyclictest0-21swapper/012:35:200
85519961,5cyclictest6636-21ssh09:15:160
85519960,6cyclictest0-21swapper/008:45:140
85519960,6cyclictest0-21swapper/008:30:220
85519960,1cyclictest0-21swapper/008:50:110
85519960,0cyclictest1382-21diskmemload12:15:300
85729954,1cyclictest17998-21snmpd08:33:543
85729954,1cyclictest17998-21snmpd07:27:373
85729954,1cyclictest17998-21snmpd07:23:563
85729952,2cyclictest26159-21apt-get07:45:083
85729952,2cyclictest17325-21apt-get08:35:103
85729951,1cyclictest0-21swapper/308:50:153
85729950,5cyclictest0-21swapper/309:02:473
85729950,3cyclictest0-21swapper/307:35:143
85729950,1cyclictest22280-21cut12:25:183
85729950,1cyclictest0-21swapper/307:15:013
85669954,1cyclictest61650irq/122-eno109:05:112
85669954,1cyclictest61650irq/122-eno108:00:192
85669954,1cyclictest61650irq/122-eno108:00:192
85569955,0cyclictest0-21swapper/111:35:221
85569955,0cyclictest0-21swapper/110:50:151
85569955,0cyclictest0-21swapper/108:31:121
85569955,0cyclictest0-21swapper/108:11:141
85569955,0cyclictest0-21swapper/107:49:361
85569955,0cyclictest0-21swapper/107:18:471
85569954,1cyclictest0-21swapper/108:35:121
85569953,1cyclictest0-21swapper/111:00:101
85569951,3cyclictest0-21swapper/112:10:161
85569951,3cyclictest0-21swapper/110:15:201
85569951,1cyclictest0-21swapper/110:45:171
85569950,5cyclictest0-21swapper/108:03:231
85569950,5cyclictest0-21swapper/108:03:221
85569950,4cyclictest0-21swapper/112:20:141
85569950,4cyclictest0-21swapper/109:43:341
85569950,3cyclictest0-21swapper/112:05:201
85569950,3cyclictest0-21swapper/109:00:111
85569950,3cyclictest0-21swapper/107:10:101
85569950,2cyclictest0-21swapper/112:38:011
85569950,2cyclictest0-21swapper/112:38:001
85569950,2cyclictest0-21swapper/112:15:131
85569950,2cyclictest0-21swapper/111:15:141
85569950,2cyclictest0-21swapper/109:35:101
85569950,2cyclictest0-21swapper/109:30:121
85569950,2cyclictest0-21swapper/109:05:171
85569950,2cyclictest0-21swapper/107:25:171
85569950,1cyclictest0-21swapper/111:09:431
85569950,1cyclictest0-21swapper/110:35:271
85569950,1cyclictest0-21swapper/109:50:541
85569950,1cyclictest0-21swapper/107:55:191
85569950,0cyclictest0-21swapper/109:47:141
85519954,1cyclictest31692-21dpkg09:05:110
85519953,1cyclictest9-21ksoftirqd/007:25:120
85519950,4cyclictest12743-21telnet08:25:130
85729942,1cyclictest23858-21aten_r1power_en07:40:123
85569943,1cyclictest16236-21chrt07:21:501
85569941,1cyclictest0-21swapper/108:55:001
85569941,1cyclictest0-21swapper/107:40:001
85569941,1cyclictest0-21swapper/107:39:551
85569940,4cyclictest0-21swapper/110:25:581
85569940,4cyclictest0-21swapper/108:19:351
85569940,4cyclictest0-21swapper/107:50:091
85569940,3cyclictest0-21swapper/108:05:111
85569940,2cyclictest0-21swapper/111:55:131
85569940,2cyclictest0-21swapper/111:20:101
85569940,1cyclictest0-21swapper/112:30:111
85569940,1cyclictest0-21swapper/110:40:131
85569940,1cyclictest0-21swapper/110:31:371
85569940,1cyclictest0-21swapper/107:30:211
85569930,1cyclictest0-21swapper/108:45:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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