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2026-05-03 - 14:11
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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 Sun May 03, 2026 12:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142832233161,27sleep30-21swapper/307:09:323
141282232156,59sleep00-21swapper/007:07:330
140682201129,56sleep20-21swapper/207:06:462
140372199159,26sleep10-21swapper/107:06:211
59292470,0sleep10-21swapper/109:05:161
63922150,0sleep00-21swapper/011:58:570
1441299150,1cyclictest0-21swapper/110:20:181
1441299150,1cyclictest0-21swapper/110:20:171
1441299130,12cyclictest0-21swapper/108:40:011
14404991312,1cyclictest9-21ksoftirqd/012:10:140
14404991311,1cyclictest9-21ksoftirqd/011:45:200
14420991210,1cyclictest28-21ksoftirqd/208:25:002
1441299120,1cyclictest0-21swapper/112:05:121
1441299120,1cyclictest0-21swapper/109:38:181
1441299120,1cyclictest0-21swapper/108:30:141
1441299120,1cyclictest0-21swapper/108:30:141
1441299120,1cyclictest0-21swapper/107:30:141
1441299120,0cyclictest0-21swapper/111:56:031
1441299120,0cyclictest0-21swapper/111:51:381
1440499129,1cyclictest9-21ksoftirqd/011:15:000
14404991210,1cyclictest9-21ksoftirqd/007:20:000
1441299110,1cyclictest0-21swapper/110:32:491
1441299110,1cyclictest0-21swapper/110:00:161
1441299110,1cyclictest0-21swapper/109:20:171
1441299110,1cyclictest0-21swapper/107:45:141
1441299110,0cyclictest0-21swapper/112:00:111
1441299110,0cyclictest0-21swapper/111:08:181
1441299110,0cyclictest0-21swapper/109:34:381
1440499112,4cyclictest2580-21perf09:00:000
14404991110,1cyclictest9-21ksoftirqd/011:10:000
14404991110,1cyclictest9-21ksoftirqd/010:30:100
14404991110,1cyclictest9-21ksoftirqd/009:40:190
14404991110,1cyclictest9-21ksoftirqd/009:30:120
1442099100,4cyclictest7245-21diskmemload09:40:112
1441299100,9cyclictest0-21swapper/111:00:131
1441299100,10cyclictest0-21swapper/111:15:011
1441299100,1cyclictest0-21swapper/111:23:311
1441299100,1cyclictest0-21swapper/110:51:031
1441299100,1cyclictest0-21swapper/110:11:381
1441299100,1cyclictest0-21swapper/109:50:181
1440499109,1cyclictest9-21ksoftirqd/012:35:160
1440499109,1cyclictest9-21ksoftirqd/012:05:150
1440499109,1cyclictest9-21ksoftirqd/011:35:190
1440499109,1cyclictest9-21ksoftirqd/011:15:160
1440499109,1cyclictest9-21ksoftirqd/010:55:180
1440499109,1cyclictest9-21ksoftirqd/010:20:150
1440499109,1cyclictest9-21ksoftirqd/010:20:150
1440499109,1cyclictest9-21ksoftirqd/010:00:150
1440499109,1cyclictest9-21ksoftirqd/009:40:010
1440499109,1cyclictest9-21ksoftirqd/007:54:590
1440499109,0cyclictest5504-21sensors07:55:200
1440499108,1cyclictest9-21ksoftirqd/012:20:000
1440499108,1cyclictest9-21ksoftirqd/009:10:000
1440499102,4cyclictest13565-21latency_hist08:15:000
14404991010,0cyclictest9-21ksoftirqd/012:30:000
14404991010,0cyclictest9-21ksoftirqd/008:35:110
144319998,1cyclictest35-21ksoftirqd/308:30:003
144319992,4cyclictest17657-21apt-get07:15:133
144319991,7cyclictest0-21swapper/309:46:073
144129990,9cyclictest0-21swapper/111:37:281
144129990,8cyclictest0-21swapper/111:48:361
144129990,2cyclictest0-21swapper/112:15:361
144129990,2cyclictest0-21swapper/110:46:121
144129990,2cyclictest0-21swapper/108:50:131
144129990,1cyclictest0-21swapper/112:30:201
144129990,1cyclictest0-21swapper/111:40:141
144129990,1cyclictest0-21swapper/111:31:561
144129990,1cyclictest0-21swapper/111:14:471
144129990,1cyclictest0-21swapper/110:59:081
144129990,1cyclictest0-21swapper/108:40:141
144129990,1cyclictest0-21swapper/108:10:141
144129990,1cyclictest0-21swapper/108:05:181
144129990,1cyclictest0-21swapper/107:15:121
144129990,0cyclictest0-21swapper/112:37:301
144129990,0cyclictest0-21swapper/111:25:351
144049999,0cyclictest9-21ksoftirqd/009:15:110
144049999,0cyclictest9-21ksoftirqd/007:45:120
144049998,1cyclictest9-21ksoftirqd/012:30:140
144049998,1cyclictest9-21ksoftirqd/012:20:130
144049998,1cyclictest9-21ksoftirqd/012:00:200
144049998,1cyclictest9-21ksoftirqd/010:45:110
144049998,1cyclictest9-21ksoftirqd/010:05:130
144049998,1cyclictest9-21ksoftirqd/009:20:110
144049998,1cyclictest9-21ksoftirqd/008:30:200
144049998,1cyclictest9-21ksoftirqd/008:30:200
144049998,1cyclictest9-21ksoftirqd/007:35:110
144049998,1cyclictest9-21ksoftirqd/007:35:010
144049997,1cyclictest9-21ksoftirqd/011:25:160
144049997,1cyclictest9-21ksoftirqd/009:25:130
144049997,1cyclictest9-21ksoftirqd/009:25:130
144049993,5cyclictest5937-21latency_hist09:50:000
144049991,4cyclictest7245-21diskmemload09:55:030
144319982,2cyclictest19803-21runrttasks10:06:513
144209987,1cyclictest28-21ksoftirqd/207:40:002
144209986,1cyclictest61650irq/122-eno111:40:342
144209986,1cyclictest61650irq/122-eno111:30:132
144209986,1cyclictest61650irq/122-eno110:48:102
144209986,1cyclictest61650irq/122-eno110:39:182
144209986,1cyclictest61650irq/122-eno109:10:202
144209986,1cyclictest61650irq/122-eno107:15:002
144209986,1cyclictest28-21ksoftirqd/210:15:572
144209981,6cyclictest31992-21apt-get11:50:112
144209981,6cyclictest10941-21turbostat.cron08:14:552
144209980,6cyclictest29847-21users08:45:222
144209980,4cyclictest23359-21apt-get09:30:122
144209980,4cyclictest0-21swapper/212:18:292
144129980,8cyclictest0-21swapper/112:25:561
144129980,2cyclictest0-21swapper/110:27:071
144129980,2cyclictest0-21swapper/108:48:501
144129980,1cyclictest0-21swapper/110:15:141
144129980,1cyclictest0-21swapper/110:05:171
144129980,1cyclictest0-21swapper/109:40:391
144129980,1cyclictest0-21swapper/107:42:571
144129980,0cyclictest0-21swapper/110:38:291
144129980,0cyclictest0-21swapper/109:49:531
144049988,0cyclictest9-21ksoftirqd/011:20:100
144049988,0cyclictest9-21ksoftirqd/009:50:150
144049987,1cyclictest9-21ksoftirqd/011:00:140
144049987,1cyclictest9-21ksoftirqd/010:50:150
144049987,1cyclictest9-21ksoftirqd/008:50:130
144049987,1cyclictest9-21ksoftirqd/008:15:150
144049987,1cyclictest9-21ksoftirqd/007:40:120
144049987,1cyclictest9-21ksoftirqd/007:25:210
144049986,1cyclictest9-21ksoftirqd/007:20:210
144049986,1cyclictest25507-21df_inode10:15:120
144319976,1cyclictest35-21ksoftirqd/310:45:003
144319975,1cyclictest6017-21cat09:05:163
144319975,1cyclictest32011-21cat09:40:153
144319975,1cyclictest29184-21ssh11:02:403
144319975,1cyclictest28118-21apt-get08:45:113
144319975,1cyclictest27022-21ssh11:43:033
144319975,1cyclictest19346-21ssh11:32:373
144319975,0cyclictest13650irq/124-ahci[0012:39:553
144319974,0cyclictest7245-21diskmemload10:52:563
144319972,2cyclictest29903-21apt-get12:30:113
144319971,4cyclictest24726-21nscd12:00:343
144319971,3cyclictest22806-21aten_r1power_cu10:55:123
144319970,4cyclictest15799-21latency12:10:153
144209976,1cyclictest61650irq/122-eno112:32:342
144209976,1cyclictest61650irq/122-eno111:19:442
144209976,1cyclictest61650irq/122-eno110:56:012
144209976,1cyclictest61650irq/122-eno110:50:042
144209976,1cyclictest61650irq/122-eno110:11:282
144209976,1cyclictest61650irq/122-eno109:18:122
144209976,1cyclictest61650irq/122-eno108:06:352
144209976,0cyclictest61650irq/122-eno110:05:142
144209975,1cyclictest61650irq/122-eno112:00:092
144209975,1cyclictest61650irq/122-eno111:44:592
144209975,1cyclictest61650irq/122-eno111:35:162
144209975,1cyclictest61650irq/122-eno111:20:422
144209975,1cyclictest61650irq/122-eno110:30:142
144209975,1cyclictest61650irq/122-eno109:20:122
144209974,2cyclictest7245-21diskmemload10:40:132
144209974,2cyclictest2284-21memory12:35:172
144209973,2cyclictest240-21systemd-journal11:56:392
144209973,2cyclictest240-21systemd-journal09:55:002
144209973,1cyclictest240-21systemd-journal11:04:592
144209972,2cyclictest2773-21apt-get09:00:102
144209971,5cyclictest20032-21apt-get07:20:112
144209971,4cyclictest19407-21apt-get09:25:132
144209971,4cyclictest19407-21apt-get09:25:122
144129970,1cyclictest0-21swapper/112:25:001
144129970,1cyclictest0-21swapper/112:12:391
144129970,1cyclictest0-21swapper/110:44:271
144129970,1cyclictest0-21swapper/109:55:061
144129970,1cyclictest0-21swapper/109:25:171
144129970,1cyclictest0-21swapper/109:25:161
144129970,1cyclictest0-21swapper/109:10:131
144129970,1cyclictest0-21swapper/108:25:001
144129970,1cyclictest0-21swapper/108:00:121
144129970,1cyclictest0-21swapper/107:55:001
144129970,1cyclictest0-21swapper/107:40:011
144129970,1cyclictest0-21swapper/107:25:151
144129970,1cyclictest0-21swapper/107:25:001
144129970,1cyclictest0-21swapper/107:15:001
144129970,0cyclictest0-21swapper/109:15:121
144049977,0cyclictest9-21ksoftirqd/011:50:110
144049977,0cyclictest9-21ksoftirqd/010:35:010
144049976,1cyclictest9-21ksoftirqd/011:40:170
144049976,1cyclictest9-21ksoftirqd/010:40:150
144049976,1cyclictest9-21ksoftirqd/010:10:150
144049976,1cyclictest9-21ksoftirqd/009:10:150
144049976,1cyclictest9-21ksoftirqd/008:40:140
144049976,1cyclictest32759-21ssh10:25:150
144049975,1cyclictest9-21ksoftirqd/011:30:120
144049970,4cyclictest20642-21perf08:30:000
144049970,1cyclictest6979-21df_inode08:00:130
144319965,1cyclictest5895-21ssh10:31:073
144319965,1cyclictest35-21ksoftirqd/308:25:003
144319965,1cyclictest32292-21ssh11:05:503
144319965,1cyclictest31165-21ssh10:22:023
144319965,1cyclictest31165-21ssh10:22:013
144319965,1cyclictest30266-21ssh11:46:023
144319965,1cyclictest29514-21ssh12:29:453
144319965,1cyclictest28227-21cat09:35:163
144319965,1cyclictest21834-21ssh12:19:233
144319965,1cyclictest14637-21cat08:15:153
144319965,1cyclictest14218-21ssh12:09:073
144319965,1cyclictest10169-21ssh09:12:363
144319964,1cyclictest35-21ksoftirqd/308:59:103
144319964,1cyclictest24794-21ssh12:22:043
144319964,1cyclictest20448-21ssh11:35:043
144319964,1cyclictest20311-21cat09:25:173
144319964,1cyclictest20311-21cat09:25:173
144319964,1cyclictest14634-21cat10:00:153
144319964,0cyclictest7245-21diskmemload11:27:333
144319963,1cyclictest240-21systemd-journal07:45:013
144319963,1cyclictest15398-21apt-get09:20:103
144319963,0cyclictest7245-21diskmemload10:28:263
144319962,2cyclictest240-21systemd-journal09:03:503
144319961,4cyclictest0-21swapper/310:11:533
144319961,3cyclictest0-21swapper/309:55:123
144319961,1cyclictest0-21swapper/311:50:183
144319961,1cyclictest0-21swapper/308:35:143
144319960,4cyclictest7245-21diskmemload11:20:083
144319960,4cyclictest4506-21ntp_states11:55:193
144319960,4cyclictest0-21swapper/309:31:153
144319960,2cyclictest0-21swapper/310:45:113
144319960,2cyclictest0-21swapper/310:36:483
144209966,0cyclictest61650irq/122-eno112:20:092
144209966,0cyclictest61650irq/122-eno112:10:112
144209966,0cyclictest61650irq/122-eno111:25:132
144209966,0cyclictest61650irq/122-eno111:10:082
144209966,0cyclictest61650irq/122-eno110:25:132
144209966,0cyclictest61650irq/122-eno110:20:012
144209966,0cyclictest61650irq/122-eno110:20:012
144209966,0cyclictest61650irq/122-eno109:55:012
144209966,0cyclictest61650irq/122-eno109:45:032
144209966,0cyclictest61650irq/122-eno109:35:022
144209966,0cyclictest61650irq/122-eno108:35:202
144209966,0cyclictest61650irq/122-eno108:17:012
144209966,0cyclictest61650irq/122-eno108:02:232
144209966,0cyclictest61650irq/122-eno107:55:142
144209966,0cyclictest61650irq/122-eno107:46:392
144209966,0cyclictest61650irq/122-eno107:41:112
144209966,0cyclictest61650irq/122-eno107:31:432
144209966,0cyclictest0-21swapper/210:00:122
144209965,1cyclictest61650irq/122-eno111:05:142
144209965,1cyclictest61650irq/122-eno107:15:192
144209965,1cyclictest3825-21sshd07:54:392
144209965,1cyclictest28-21ksoftirqd/212:05:012
144209965,1cyclictest23517-21ntpq07:25:182
144209964,1cyclictest28-21ksoftirqd/208:28:542
144209964,1cyclictest27871-21cron08:45:012
144209963,1cyclictest240-21systemd-journal08:59:592
144209961,2cyclictest26149-21apt-get12:25:122
144209960,1cyclictest0-21swapper/208:30:112
144209960,1cyclictest0-21swapper/208:30:112
144129960,1cyclictest27762sleep109:00:111
144129960,1cyclictest0-21swapper/108:55:111
144129960,1cyclictest0-21swapper/108:25:141
144129960,1cyclictest0-21swapper/108:15:141
144129960,1cyclictest0-21swapper/107:55:141
144049966,0cyclictest9-21ksoftirqd/008:45:160
144049965,1cyclictest9-21ksoftirqd/009:00:100
144049965,1cyclictest9-21ksoftirqd/008:20:130
144049965,1cyclictest9-21ksoftirqd/008:05:120
144049964,1cyclictest9-21ksoftirqd/007:15:000
144319954,1cyclictest8757-21ssh09:52:303
144319954,1cyclictest26929-21ntpq08:40:183
144319953,1cyclictest7044-21fschecks_count08:00:143
144319953,1cyclictest30560-21aten2.4-expect08:50:123
144319953,1cyclictest28899-21sshd07:36:113
144319953,1cyclictest25647-21irqstats07:30:173
144319953,1cyclictest1704-21aten_r1power_en11:10:113
144319952,1cyclictest7245-21diskmemload10:15:133
144319951,1cyclictest0-21swapper/308:05:123
144319950,4cyclictest11640-21grep09:15:133
144319950,2cyclictest24726-21nscd07:50:143
144319950,2cyclictest14606-21/usr/sbin/munin07:10:133
144319950,2cyclictest0-21swapper/311:15:213
144209955,0cyclictest61650irq/122-eno109:05:192
144209955,0cyclictest61650irq/122-eno108:54:072
144319943,1cyclictest22839-21cat07:25:153
144319943,1cyclictest11386-21apt-get08:10:113
144319942,1cyclictest4809-21tune2fs07:55:143
144319942,1cyclictest29748-21grep07:40:123
144319941,1cyclictest240-21systemd-journal08:30:043
144319941,1cyclictest240-21systemd-journal08:30:033
144319940,1cyclictest0-21swapper/307:20:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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