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2026-04-11 - 08:35
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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 Sat Apr 11, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26922231159,25sleep20-21swapper/219:08:072
25122209157,26sleep30-21swapper/319:05:463
28162205149,22sleep10-21swapper/119:09:441
26902200158,29sleep00-21swapper/019:08:050
219412600,0sleep20-21swapper/221:41:372
255112170,0sleep10-21swapper/100:35:141
184252170,0sleep20-21swapper/221:37:332
209602150,1sleep220959-21date20:55:002
2966991410,1cyclictest28-21ksoftirqd/222:49:402
2966991312,1cyclictest28-21ksoftirqd/223:25:172
2966991312,1cyclictest28-21ksoftirqd/223:02:392
2946991311,1cyclictest9-21ksoftirqd/021:00:000
2966991210,1cyclictest28-21ksoftirqd/220:10:002
2946991211,1cyclictest9-21ksoftirqd/000:35:000
261222120,1sleep121-21ksoftirqd/119:55:161
297499110,10cyclictest0-21swapper/323:59:303
296699119,1cyclictest28-21ksoftirqd/221:55:192
296699119,1cyclictest28-21ksoftirqd/200:30:122
296699116,4cyclictest28-21ksoftirqd/221:10:002
2966991111,0cyclictest28-21ksoftirqd/222:20:212
2966991110,1cyclictest28-21ksoftirqd/223:05:202
2966991110,1cyclictest28-21ksoftirqd/222:55:182
2966991110,1cyclictest28-21ksoftirqd/222:20:012
2966991110,1cyclictest28-21ksoftirqd/219:25:002
2966991110,1cyclictest28-21ksoftirqd/200:16:522
2966991110,1cyclictest28-21ksoftirqd/200:06:492
297499101,5cyclictest4158-1kworker/3:2H22:36:263
296699109,1cyclictest28-21ksoftirqd/223:30:132
296699109,1cyclictest28-21ksoftirqd/222:10:202
296699108,1cyclictest28-21ksoftirqd/220:25:012
296699108,1cyclictest28-21ksoftirqd/200:40:002
2958991010,0cyclictest0-21swapper/122:59:141
294699108,1cyclictest9-21ksoftirqd/023:50:010
294699108,1cyclictest9-21ksoftirqd/022:29:590
294699108,1cyclictest9-21ksoftirqd/020:20:000
294699107,1cyclictest9-21ksoftirqd/020:04:590
294699102,4cyclictest20614-21perf00:30:000
152842100,7sleep335-21ksoftirqd/322:58:133
29749997,1cyclictest0-21swapper/323:31:193
29669999,0cyclictest28-21ksoftirqd/223:59:452
29669998,1cyclictest28-21ksoftirqd/223:15:112
29669998,1cyclictest28-21ksoftirqd/222:40:002
29669998,1cyclictest28-21ksoftirqd/222:30:152
29669998,1cyclictest28-21ksoftirqd/221:30:172
29669998,1cyclictest28-21ksoftirqd/219:40:142
29669998,1cyclictest28-21ksoftirqd/219:20:002
29669997,1cyclictest28-21ksoftirqd/223:50:142
29669997,1cyclictest28-21ksoftirqd/222:40:002
29669994,4cyclictest5281-21munin-node22:04:012
29669990,8cyclictest0-21swapper/220:57:212
29469998,1cyclictest9-21ksoftirqd/019:45:000
29469996,2cyclictest6253-21aten_r1power_fr19:15:140
9378280,0sleep20-21swapper/222:08:142
32290280,0sleep30-21swapper/300:01:423
29749987,1cyclictest27017-21ssh23:13:563
29749980,4cyclictest0-21swapper/323:40:093
29749980,2cyclictest0-21swapper/322:20:123
29669988,0cyclictest28-21ksoftirqd/223:41:242
29669988,0cyclictest28-21ksoftirqd/221:51:032
29669988,0cyclictest28-21ksoftirqd/221:45:212
29669988,0cyclictest28-21ksoftirqd/221:25:212
29669987,1cyclictest28-21ksoftirqd/221:15:122
29669987,1cyclictest28-21ksoftirqd/221:10:162
29669987,1cyclictest28-21ksoftirqd/200:15:012
29669986,1cyclictest28-21ksoftirqd/222:54:222
29669986,1cyclictest28-21ksoftirqd/222:25:182
29669986,1cyclictest28-21ksoftirqd/221:20:352
29669986,1cyclictest28-21ksoftirqd/220:45:002
29669986,1cyclictest28-21ksoftirqd/220:20:012
29669986,1cyclictest28-21ksoftirqd/200:20:142
29669986,1cyclictest28-21ksoftirqd/200:02:332
29669982,3cyclictest61650irq/122-eno120:35:152
29669980,5cyclictest28-21ksoftirqd/223:35:102
29669980,3cyclictest25326-21sensors_temp23:10:192
29589981,5cyclictest0-21swapper/100:25:141
29589980,2cyclictest0-21swapper/123:25:111
29469987,1cyclictest9-21ksoftirqd/022:30:140
29469987,1cyclictest9-21ksoftirqd/020:15:000
29469987,1cyclictest7102-21ssh22:05:130
29469986,1cyclictest9-21ksoftirqd/020:25:010
29469986,1cyclictest733-21sshd21:01:390
29469986,1cyclictest693-21runrttasks00:01:130
29469985,1cyclictest240-21systemd-journal21:45:190
29469985,0cyclictest27989-21diskmemload22:48:150
29469981,6cyclictest4669-21ssh22:00:470
29469980,5cyclictest3218-21ssh22:41:230
29469980,4cyclictest21554-21perf22:25:000
29469980,1cyclictest0-21swapper/023:05:000
16217280,1sleep016207-21perf20:45:000
11968280,0sleep10-21swapper/100:17:261
29749976,1cyclictest35-21ksoftirqd/319:49:593
29749974,1cyclictest240-21systemd-journal22:50:213
29749972,4cyclictest27989-21diskmemload00:11:293
29749972,1cyclictest17331-21diskmemload22:19:073
29749971,4cyclictest0-21swapper/323:45:133
29749971,3cyclictest32360-21ssh21:15:123
29749970,5cyclictest0-21swapper/321:28:313
29749970,4cyclictest27989-21diskmemload22:05:183
29749970,4cyclictest25522-21/usr/sbin/munin00:35:153
29669976,1cyclictest61650irq/122-eno123:20:122
29669976,1cyclictest28-21ksoftirqd/220:45:182
29669976,1cyclictest28-21ksoftirqd/219:40:002
29669975,1cyclictest61650irq/122-eno119:30:192
29669975,1cyclictest28-21ksoftirqd/219:10:132
29669975,1cyclictest28-21ksoftirqd/200:25:182
29669973,2cyclictest548-21systemd-logind19:45:202
29669970,6cyclictest27989-21diskmemload23:45:162
29589973,4cyclictest203-21jbd2/sda2-821:44:111
29589973,0cyclictest0-21swapper/123:58:321
29589971,2cyclictest0-21swapper/121:15:131
29589970,6cyclictest0-21swapper/122:40:111
29589970,4cyclictest0-21swapper/123:15:281
29469976,1cyclictest9-21ksoftirqd/021:25:130
29469975,1cyclictest3260-21ssh21:19:170
29469975,1cyclictest12969-21df22:55:120
29469975,1cyclictest11793-21ssh23:35:160
29469973,0cyclictest0-21swapper/023:05:160
29469972,2cyclictest14150-21apt-get22:15:130
29469971,5cyclictest8642-21/usr/sbin/munin22:50:140
29469971,5cyclictest6317-21ssh00:10:160
29469971,5cyclictest32132-1kworker/u9:100:05:010
29469970,6cyclictest7843-21if_eno123:30:160
29469970,6cyclictest3849-21ssh23:25:140
29469970,6cyclictest3769-21perl19:10:140
29469970,6cyclictest31322-21ssh21:13:460
29469970,6cyclictest27989-21diskmemload23:40:410
29469970,6cyclictest27989-21diskmemload00:20:090
29469970,6cyclictest26137-21ssh23:55:020
29469970,6cyclictest21683-21ssh21:40:550
29469970,6cyclictest12516-21ssh22:11:250
29469970,6cyclictest11771-21ssh00:16:530
29469970,6cyclictest0-21swapper/022:35:120
29469970,6cyclictest0-21swapper/019:55:200
29469970,5cyclictest1535-21kworker/0:221:50:010
29469970,2cyclictest27989-21diskmemload23:20:080
29469970,1cyclictest7378-21ssh21:24:160
29469970,1cyclictest23830-21chrt23:10:030
29469970,1cyclictest0-21swapper/023:50:430
29469970,1cyclictest0-21swapper/021:30:210
29469970,1cyclictest0-21swapper/020:10:000
29749966,0cyclictest23814-21sensors23:50:183
29749965,1cyclictest6280-21ssh21:21:393
29749965,1cyclictest5030-21ssh22:01:463
29749965,1cyclictest3219-21ssh22:41:243
29749965,1cyclictest29337-21ssh21:50:263
29749965,1cyclictest23366-21ssh00:32:173
29749965,1cyclictest22303-21ssh23:06:333
29749965,1cyclictest21841-21ssh21:41:223
29749965,1cyclictest17009-21ntpq21:35:173
29749965,1cyclictest15389-21ssh00:21:173
29749965,1cyclictest14887-21ssh21:33:213
29749964,1cyclictest6131-21unixbench_singl20:20:203
29749964,1cyclictest19513-21ssh00:27:103
29749964,1cyclictest18778-21/usr/sbin/munin20:50:193
29749964,1cyclictest18481-21df19:40:143
29749964,1cyclictest12377-21ssh22:11:013
29749963,2cyclictest25036-21/usr/sbin/munin19:55:193
29749963,1cyclictest240-21systemd-journal22:34:543
29749961,3cyclictest27989-21diskmemload22:29:223
29749961,2cyclictest0-21swapper/321:05:113
29749960,4cyclictest0-21swapper/323:15:043
29749960,3cyclictest6673-21perf23:29:593
29749960,3cyclictest0-21swapper/323:04:013
29749960,3cyclictest0-21swapper/321:56:583
29749960,2cyclictest27989-21diskmemload00:15:123
29749960,2cyclictest0-21swapper/321:10:113
29749960,1cyclictest0-21swapper/321:45:173
29749960,1cyclictest0-21swapper/319:40:013
29669966,0cyclictest61650irq/122-eno121:01:352
29669966,0cyclictest61650irq/122-eno120:25:132
29669966,0cyclictest61650irq/122-eno119:50:122
29669965,0cyclictest61650irq/122-eno120:10:112
29669964,1cyclictest61650irq/122-eno119:25:122
29669964,1cyclictest28-21ksoftirqd/220:00:142
29669964,1cyclictest28-21ksoftirqd/219:55:132
29589964,1cyclictest0-21swapper/123:23:261
29589961,2cyclictest0-21swapper/122:00:051
29589960,6cyclictest0-21swapper/123:02:341
29589960,6cyclictest0-21swapper/121:55:221
29589960,5cyclictest0-21swapper/121:00:161
29589960,4cyclictest0-21swapper/122:25:431
29589960,3cyclictest0-21swapper/121:22:541
29589960,2cyclictest0-21swapper/121:25:201
29589960,1cyclictest0-21swapper/121:30:171
29589960,0cyclictest0-21swapper/120:45:201
29469966,0cyclictest27261-21sensors21:05:180
29469964,1cyclictest9-21ksoftirqd/019:50:140
29469963,1cyclictest240-21systemd-journal20:55:000
29469961,3cyclictest27989-21diskmemload00:35:110
29469960,6cyclictest29746-1kworker/u9:221:55:100
29469960,6cyclictest0-21swapper/020:35:170
29469960,6cyclictest0-21swapper/019:20:090
29469960,3cyclictest0-21swapper/020:30:120
29469960,3cyclictest0-21swapper/020:30:120
29469960,1cyclictest0-21swapper/021:35:100
29469960,0cyclictest0-21swapper/023:15:210
29469960,0cyclictest0-21swapper/020:20:120
29469960,0cyclictest0-21swapper/019:35:120
29469960,0cyclictest0-21swapper/019:33:520
29749954,1cyclictest2798-21ntpq00:05:193
29749954,1cyclictest12071-21ntpq19:25:173
29749953,1cyclictest30532-21head20:05:153
29749953,1cyclictest22687-21apt-get19:50:113
29749953,1cyclictest15780-21sed20:40:213
29749953,1cyclictest10269-21head19:20:203
29749952,2cyclictest4852-21apt-get22:45:123
29749952,1cyclictest9941-21cut20:30:143
29749952,1cyclictest9941-21cut20:30:143
29749952,1cyclictest240-21systemd-journal23:20:073
29749952,1cyclictest0-21swapper/319:10:103
29749951,2cyclictest240-21systemd-journal21:02:493
29749950,2cyclictest27413-21apt-get20:00:113
29749950,1cyclictest0-21swapper/323:35:133
29749950,0cyclictest0-21swapper/319:15:123
29669954,1cyclictest28-21ksoftirqd/220:30:142
29669954,1cyclictest28-21ksoftirqd/220:30:132
29589955,0cyclictest0-21swapper/123:46:541
29589955,0cyclictest0-21swapper/120:21:591
29589955,0cyclictest0-21swapper/119:19:531
29589955,0cyclictest0-21swapper/100:34:271
29589953,1cyclictest0-21swapper/123:13:371
29589953,1cyclictest0-21swapper/122:10:101
29589953,1cyclictest0-21swapper/119:35:151
29589951,2cyclictest0-21swapper/123:07:231
29589951,1cyclictest0-21swapper/120:05:101
29589950,5cyclictest0-21swapper/123:31:411
29589950,5cyclictest0-21swapper/122:50:351
29589950,5cyclictest0-21swapper/120:15:151
29589950,5cyclictest0-21swapper/119:41:021
29589950,5cyclictest0-21swapper/119:25:161
29589950,5cyclictest0-21swapper/100:23:531
29589950,4cyclictest0-21swapper/120:30:161
29589950,4cyclictest0-21swapper/120:30:151
29589950,3cyclictest0-21swapper/123:43:571
29589950,3cyclictest0-21swapper/122:15:131
29589950,3cyclictest0-21swapper/122:05:101
29589950,3cyclictest0-21swapper/121:40:001
29589950,3cyclictest0-21swapper/120:00:191
29589950,3cyclictest0-21swapper/100:00:131
29589950,2cyclictest0-21swapper/121:10:101
29589950,1cyclictest0-21swapper/122:35:101
29589950,0cyclictest0-21swapper/123:39:191
29469950,4cyclictest0-21swapper/019:25:120
29469950,2cyclictest0-21swapper/019:45:110
29469950,0cyclictest0-21swapper/020:45:170
29749942,1cyclictest7761-21tail20:25:153
29749942,1cyclictest693-21runrttasks20:45:093
29749942,1cyclictest32326-21egrep20:10:143
29749942,1cyclictest11703-21apt-get20:35:103
29749941,2cyclictest0-21swapper/320:15:103
29749941,1cyclictest21634-21df20:55:143
29749940,1cyclictest240-21systemd-journal19:30:013
29589944,0cyclictest0-21swapper/120:51:381
29589944,0cyclictest0-21swapper/120:10:321
29589943,1cyclictest13240-21chrt19:30:001
29589943,1cyclictest104542sleep119:22:241
29589943,1cyclictest0-21swapper/122:21:271
29589942,1cyclictest0-21swapper/122:45:171
29589942,1cyclictest0-21swapper/120:55:101
29589941,2cyclictest0-21swapper/122:30:381
29589941,2cyclictest0-21swapper/120:40:131
29589941,1cyclictest0-21swapper/121:50:111
29589941,1cyclictest0-21swapper/119:10:101
29589940,4cyclictest0-21swapper/123:50:181
29589940,4cyclictest0-21swapper/119:52:141
29589940,3cyclictest0-21swapper/100:07:281
29589940,2cyclictest0-21swapper/121:45:251
29589940,1cyclictest0-21swapper/100:14:551
29589940,0cyclictest0-21swapper/120:25:151
29589931,1cyclictest0-21swapper/120:35:101
29589931,1cyclictest0-21swapper/119:45:111
29589920,1cyclictest0-21swapper/121:05:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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