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2026-07-22 - 17:26
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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 Wed Jul 22, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278092214152,49sleep00-21swapper/007:08:240
278272207151,21sleep10-21swapper/107:08:371
277972205153,26sleep30-21swapper/307:08:153
276302200161,25sleep20-21swapper/207:06:042
290082150,1sleep220671-21diskmemload10:50:212
28051991210,1cyclictest0-21swapper/208:35:202
28064991110,1cyclictest35-21ksoftirqd/310:15:003
28064991110,1cyclictest35-21ksoftirqd/309:45:153
2806499109,1cyclictest35-21ksoftirqd/307:29:593
2805199102,3cyclictest1863-21apt-get11:00:122
2805199100,9cyclictest0-21swapper/209:57:532
2805199100,3cyclictest0-21swapper/210:30:112
2802699109,1cyclictest9-21ksoftirqd/007:15:120
2802699100,7cyclictest0-21swapper/007:20:190
255222100,0sleep30-21swapper/308:10:153
280649998,1cyclictest35-21ksoftirqd/311:41:213
280649998,1cyclictest35-21ksoftirqd/310:35:013
280649998,1cyclictest35-21ksoftirqd/307:11:243
280649992,6cyclictest2904-21/usr/sbin/munin09:30:193
280519998,1cyclictest28-21ksoftirqd/211:20:002
280519997,1cyclictest62482sleep212:35:562
280269997,1cyclictest9-21ksoftirqd/011:05:120
280269991,5cyclictest28218-21/usr/sbin/munin07:10:170
280269990,3cyclictest0-21swapper/011:10:110
23020290,0sleep00-21swapper/009:11:560
280649988,0cyclictest35-21ksoftirqd/311:15:493
280649986,1cyclictest9842-21apt-key09:40:013
280649980,5cyclictest20671-21diskmemload12:30:423
280519986,1cyclictest61650irq/122-eno112:09:462
280519986,1cyclictest61650irq/122-eno111:13:192
280519986,1cyclictest61650irq/122-eno110:19:522
280519985,3cyclictest0-21swapper/211:40:192
280519980,5cyclictest0-21swapper/212:25:412
280269987,1cyclictest9-21ksoftirqd/009:55:000
280269987,1cyclictest9-21ksoftirqd/008:45:000
280269986,1cyclictest9-21ksoftirqd/009:15:150
280269982,3cyclictest572-21nscd11:55:470
280269981,6cyclictest12946-21ssh11:15:140
280269980,7cyclictest32431-21ssh12:28:340
25533280,0sleep00-21swapper/010:45:320
280649977,0cyclictest35-21ksoftirqd/309:43:523
280649977,0cyclictest0-21swapper/312:08:133
280649976,1cyclictest35-21ksoftirqd/312:02:523
280649976,1cyclictest35-21ksoftirqd/309:15:143
280649976,1cyclictest29115-21sh11:37:143
280649976,1cyclictest28256-21cat08:15:163
280649975,1cyclictest22962-21ssh09:56:353
280649971,1cyclictest0-21swapper/309:28:523
280649970,6cyclictest20671-21diskmemload09:52:303
280649970,5cyclictest5040-21kworker/u8:011:59:393
280649970,1cyclictest0-21swapper/311:05:123
280519977,0cyclictest0-21swapper/209:35:142
280519976,1cyclictest61650irq/122-eno112:32:292
280519976,1cyclictest61650irq/122-eno112:00:132
280519976,1cyclictest61650irq/122-eno111:50:002
280519976,1cyclictest61650irq/122-eno111:30:172
280519976,1cyclictest61650irq/122-eno111:05:482
280519976,1cyclictest61650irq/122-eno110:14:472
280519976,1cyclictest61650irq/122-eno110:05:362
280519976,1cyclictest61650irq/122-eno110:00:122
280519976,1cyclictest61650irq/122-eno109:50:182
280519976,1cyclictest61650irq/122-eno109:15:212
280519976,1cyclictest30378-21kworker/2:107:40:002
280519976,1cyclictest28-21ksoftirqd/207:20:002
280519976,1cyclictest12625-21ntpq08:50:162
280519975,1cyclictest61650irq/122-eno110:20:192
280519975,1cyclictest61650irq/122-eno109:40:152
280519975,1cyclictest61650irq/122-eno109:10:012
280519975,1cyclictest61650irq/122-eno107:40:012
280519975,1cyclictest61650irq/122-eno107:20:132
280519975,1cyclictest31651-21cat10:55:162
280519975,1cyclictest28-21ksoftirqd/211:50:002
280519975,1cyclictest28-21ksoftirqd/208:30:142
280519975,1cyclictest14646-21cat09:45:162
280519974,2cyclictest583-21in:imuxsock08:00:002
280519972,4cyclictest0-21swapper/211:25:112
280519971,4cyclictest13823-21apt-get08:55:132
280519971,1cyclictest20671-21diskmemload12:10:112
280519970,7cyclictest0-21swapper/210:46:182
280519970,5cyclictest0-21swapper/207:50:212
280519970,4cyclictest0-21swapper/211:22:072
280519970,3cyclictest16621-21apt-get10:35:112
280519970,0cyclictest0-21swapper/212:22:402
280449970,6cyclictest0-21swapper/110:20:151
280449970,4cyclictest0-21swapper/110:11:511
280449970,4cyclictest0-21swapper/109:31:351
280449970,3cyclictest0-21swapper/110:55:001
280269976,1cyclictest29210-1kworker/u9:009:30:150
280269970,6cyclictest6024-21cat11:50:190
280269970,6cyclictest4636-21ssh10:16:290
280269970,6cyclictest4225-21chrt11:02:130
280269970,6cyclictest4098-21chrt11:48:140
280269970,6cyclictest32126-21cstates09:25:160
280269970,6cyclictest32077-21ssh11:40:220
280269970,6cyclictest16227-21ssh09:47:340
280269970,6cyclictest0-21swapper/011:30:150
280269970,6cyclictest0-21swapper/011:20:150
280269970,6cyclictest0-21swapper/010:20:130
280269970,6cyclictest0-21swapper/010:05:100
280269970,6cyclictest0-21swapper/010:00:120
280269970,6cyclictest0-21swapper/009:40:120
280269970,4cyclictest240-21systemd-journal11:40:000
280269970,2cyclictest0-21swapper/010:35:150
280269970,1cyclictest23621-21ssh09:58:420
280269970,1cyclictest2100-21aten_r1power_fr08:30:130
280269970,1cyclictest20671-21diskmemload12:20:160
280269970,1cyclictest14677-21ssh12:03:170
280269970,1cyclictest0-21swapper/010:30:150
19296270,0sleep10-21swapper/111:24:411
15365270,1sleep1201rcuc/110:31:531
280649965,1cyclictest9436-21ssh11:10:143
280649965,1cyclictest4963-21ssh12:35:133
280649965,1cyclictest35-21ksoftirqd/307:44:593
280649965,1cyclictest29885-21ssh10:53:093
280649965,1cyclictest27980-21ssh12:20:343
280649965,1cyclictest2314-21cat11:45:153
280649965,1cyclictest22158-21ssh10:41:003
280649965,1cyclictest21524-21ssh11:25:313
280649965,1cyclictest18096-21ssh11:20:483
280649964,1cyclictest7608-21ssh11:53:133
280649964,1cyclictest35-21ksoftirqd/307:17:003
280649963,1cyclictest31943-21ntp_states10:55:183
280649963,1cyclictest240-21systemd-journal08:31:313
280649962,2cyclictest240-21systemd-journal08:07:013
280649961,3cyclictest23743-21grep11:30:133
280649961,1cyclictest20671-21diskmemload11:00:123
280649960,4cyclictest28530-21ssh09:20:163
280649960,2cyclictest0-21swapper/310:15:213
280649960,1cyclictest240-21systemd-journal08:59:543
280649960,1cyclictest240-21systemd-journal08:44:543
280649960,1cyclictest0-21swapper/310:45:113
280519966,0cyclictest61650irq/122-eno110:40:342
280519966,0cyclictest61650irq/122-eno109:20:232
280519966,0cyclictest61650irq/122-eno108:40:232
280519966,0cyclictest61650irq/122-eno108:23:232
280519966,0cyclictest61650irq/122-eno107:45:082
280519965,1cyclictest61650irq/122-eno111:55:162
280519965,1cyclictest61650irq/122-eno111:35:132
280519965,1cyclictest61650irq/122-eno109:25:142
280519965,1cyclictest61650irq/122-eno107:25:132
280519965,1cyclictest2912-21ssh09:30:122
280519965,1cyclictest28518-21ntpq08:15:172
280519965,1cyclictest28-21ksoftirqd/209:10:012
280519964,1cyclictest61650irq/122-eno108:10:182
280519964,1cyclictest28-21ksoftirqd/207:30:122
280519964,1cyclictest11286-21unixbench_multi10:25:212
280519961,2cyclictest0-21swapper/208:25:122
280519960,6cyclictest0-21swapper/212:15:162
280519960,2cyclictest0-21swapper/207:10:112
280519960,1cyclictest0-21swapper/208:05:172
280449965,1cyclictest0-21swapper/107:10:111
280449963,2cyclictest20888-21chrt09:55:131
280449961,3cyclictest0-21swapper/110:00:121
280449960,6cyclictest0-21swapper/112:03:041
280449960,6cyclictest0-21swapper/107:55:181
280449960,5cyclictest0-21swapper/108:50:141
280449960,4cyclictest0-21swapper/108:30:171
280449960,3cyclictest0-21swapper/111:54:261
280449960,3cyclictest0-21swapper/111:45:391
280449960,2cyclictest0-21swapper/112:15:141
280449960,2cyclictest0-21swapper/109:42:551
280449960,1cyclictest0-21swapper/111:35:131
280449960,0cyclictest0-21swapper/110:46:431
280269966,0cyclictest0-21swapper/007:30:110
280269965,1cyclictest3265-1kworker/u9:212:05:170
280269965,1cyclictest30764-21ssh10:55:120
280269965,1cyclictest2767-21ssh12:31:050
280269964,1cyclictest9-21ksoftirqd/009:01:340
280269964,1cyclictest18833-21irqstats07:55:190
280269963,2cyclictest0-21swapper/012:10:170
280269962,0cyclictest0-21swapper/009:35:190
280269961,2cyclictest240-21systemd-journal09:06:010
280269961,2cyclictest20671-21diskmemload12:35:120
280269960,6cyclictest30185-1kworker/u9:210:10:170
280269960,6cyclictest29821-21ssh09:20:250
280269960,6cyclictest0-21swapper/010:28:080
280269960,5cyclictest11813-21cstates08:50:100
280269960,1cyclictest10418-21munin-run07:39:590
280269960,0cyclictest0-21swapper/012:15:110
280269960,0cyclictest0-21swapper/011:28:170
280269960,0cyclictest0-21swapper/010:50:070
280269960,0cyclictest0-21swapper/010:40:190
280269960,0cyclictest0-21swapper/008:45:180
280269960,0cyclictest0-21swapper/008:35:190
280269960,0cyclictest0-21swapper/008:13:400
280269960,0cyclictest0-21swapper/008:05:140
280269960,0cyclictest0-21swapper/008:00:180
22799260,0sleep30-21swapper/309:10:543
280649955,0cyclictest20671-21diskmemload12:10:103
280649955,0cyclictest0-21swapper/307:45:033
280649954,1cyclictest6950-21cat10:20:153
280649954,1cyclictest31724-21sshd08:23:243
280649954,1cyclictest30931-21ssh12:25:183
280649954,1cyclictest25527-21ntpq10:00:193
280649954,1cyclictest17129-21df10:35:143
280649953,2cyclictest693-21runrttasks08:36:183
280649953,1cyclictest20671-21diskmemload12:15:253
280649952,1cyclictest240-21systemd-journal09:06:173
280649952,1cyclictest240-21systemd-journal09:05:013
280649952,1cyclictest240-21systemd-journal07:35:003
280649950,2cyclictest0-21swapper/310:05:113
280649950,1cyclictest240-21systemd-journal07:50:313
280519954,1cyclictest61650irq/122-eno109:00:122
280519954,1cyclictest61650irq/122-eno108:00:162
280519953,1cyclictest61650irq/122-eno108:45:122
280449953,1cyclictest291082sleep112:24:131
280449953,1cyclictest27974-21chrt09:20:091
280449953,1cyclictest0-21swapper/108:05:171
280449951,2cyclictest0-21swapper/110:35:251
280449951,2cyclictest0-21swapper/110:05:181
280449951,2cyclictest0-21swapper/109:10:091
280449950,5cyclictest0-21swapper/111:10:161
280449950,5cyclictest0-21swapper/109:15:091
280449950,5cyclictest0-21swapper/109:03:221
280449950,5cyclictest0-21swapper/108:40:141
280449950,5cyclictest0-21swapper/107:30:041
280449950,4cyclictest0-21swapper/112:38:511
280449950,3cyclictest0-21swapper/111:29:071
280449950,3cyclictest0-21swapper/109:37:591
280449950,3cyclictest0-21swapper/109:29:151
280449950,2cyclictest0-21swapper/112:29:581
280449950,2cyclictest0-21swapper/111:55:591
280449950,2cyclictest0-21swapper/111:40:361
280449950,2cyclictest0-21swapper/111:15:181
280449950,2cyclictest0-21swapper/111:02:451
280449950,1cyclictest0-21swapper/107:25:111
280449950,0cyclictest0-21swapper/107:36:381
280269954,1cyclictest9-21ksoftirqd/007:42:040
280269953,1cyclictest32644-21tune2fs08:25:150
280269953,1cyclictest15570-21/usr/sbin/munin07:50:120
280269950,2cyclictest240-21systemd-journal09:00:000
280269950,1cyclictest3675-21runrttasks07:25:130
280269950,1cyclictest0-21swapper/008:15:120
280269950,0cyclictest0-21swapper/007:45:120
280649944,0cyclictest9688-21sensors07:35:203
280649942,1cyclictest9691-21fschecks_count08:45:153
280649942,1cyclictest472-21sed08:25:153
280649940,1cyclictest1325-21/usr/sbin/munin07:20:123
280649940,1cyclictest10096-21df10:25:143
280649940,1cyclictest0-21swapper/308:50:093
280649940,1cyclictest0-21swapper/307:55:183
280649940,0cyclictest0-21swapper/308:00:193
280449944,0cyclictest0-21swapper/108:27:001
280449941,2cyclictest0-21swapper/110:15:131
280449941,2cyclictest0-21swapper/107:47:171
280449940,4cyclictest0-21swapper/108:22:311
280449940,4cyclictest0-21swapper/108:19:091
280449940,4cyclictest0-21swapper/108:10:151
280449940,3cyclictest0-21swapper/112:10:111
280449940,3cyclictest0-21swapper/112:05:011
280449940,3cyclictest0-21swapper/111:31:411
280449940,2cyclictest0-21swapper/109:50:171
280449940,2cyclictest0-21swapper/109:46:281
280449940,2cyclictest0-21swapper/109:05:131
280449940,2cyclictest0-21swapper/108:45:171
280449940,2cyclictest0-21swapper/108:35:001
280449940,2cyclictest0-21swapper/107:50:231
280449940,1cyclictest0-21swapper/112:30:131
280449940,1cyclictest0-21swapper/110:55:211
280449940,1cyclictest0-21swapper/110:25:121
280449940,1cyclictest0-21swapper/108:00:121
280449940,1cyclictest0-21swapper/107:20:131
280449940,0cyclictest0-21swapper/111:05:121
280449940,0cyclictest0-21swapper/110:40:151
280269940,1cyclictest29780-21/usr/sbin/munin08:20:130
280449931,1cyclictest0-21swapper/107:40:001
280449930,3cyclictest0-21swapper/107:15:001
280449930,2cyclictest0-21swapper/108:55:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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