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2026-05-26 - 01:55
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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 highest latencies:
System rack1slot1.osadl.org (updated Tue May 26, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
233442215152,49sleep20-21swapper/219:06:382
234762213149,50sleep00-21swapper/019:08:210
235042207151,21sleep10-21swapper/119:08:431
232682199160,26sleep30-21swapper/319:05:393
8152130,0sleep228-21ksoftirqd/200:24:182
23697991313,0cyclictest0-21swapper/123:39:161
23697991313,0cyclictest0-21swapper/121:41:521
23697991313,0cyclictest0-21swapper/121:41:521
23714991211,1cyclictest35-21ksoftirqd/319:31:283
2370699120,1cyclictest24099-21/usr/sbin/munin22:45:152
2369499123,4cyclictest3761-21munin-run21:35:000
23694991211,1cyclictest9-21ksoftirqd/023:35:010
2369499113,4cyclictest10845-21perf19:50:010
23694991110,1cyclictest9-21ksoftirqd/000:00:140
247592100,1sleep324762-21cut22:45:143
2371499108,2cyclictest16527-21latency_hist21:09:593
2370699109,1cyclictest21393-21/usr/sbin/munin23:25:192
2370699106,3cyclictest2173-21sh21:31:012
2369499109,1cyclictest9-21ksoftirqd/000:25:200
2369499108,1cyclictest9-21ksoftirqd/021:00:140
2369499108,1cyclictest9-21ksoftirqd/000:40:000
168722100,0sleep016542-21diskmemload23:18:370
8197290,1sleep10-21swapper/122:22:591
237069991,7cyclictest26840-21sh21:21:082
237069991,6cyclictest32026-21rm22:55:122
237069990,4cyclictest19148-21apt-get21:55:122
236949999,0cyclictest9-21ksoftirqd/023:35:120
236949999,0cyclictest9-21ksoftirqd/021:40:140
236949999,0cyclictest9-21ksoftirqd/021:40:140
236949998,1cyclictest9-21ksoftirqd/023:45:140
236949998,1cyclictest9-21ksoftirqd/022:45:130
236949998,1cyclictest9-21ksoftirqd/021:45:170
236949998,1cyclictest9-21ksoftirqd/020:15:140
236949997,1cyclictest9-21ksoftirqd/020:25:000
236949997,1cyclictest9-21ksoftirqd/019:29:590
236949992,5cyclictest17553-1kworker/u9:121:51:400
236949992,4cyclictest10010-21perf23:10:000
26040280,1sleep226039-21basename19:15:002
237149988,0cyclictest35-21ksoftirqd/300:34:183
237149983,3cyclictest0-21swapper/322:09:593
237069987,1cyclictest7050-21sh23:05:132
237069986,1cyclictest61650irq/122-eno123:45:132
237069986,1cyclictest61650irq/122-eno121:45:192
237069984,2cyclictest61650irq/122-eno122:20:212
237069984,1cyclictest0-21swapper/223:33:212
237069983,3cyclictest240-21systemd-journal20:25:082
237069983,2cyclictest240-21systemd-journal00:00:112
237069980,7cyclictest0-21swapper/222:13:452
236979980,4cyclictest0-21swapper/121:35:161
236949988,0cyclictest9-21ksoftirqd/000:30:120
236949987,1cyclictest9-21ksoftirqd/023:52:120
236949987,1cyclictest9-21ksoftirqd/021:20:140
236949986,2cyclictest11702-21fschecks_time19:50:140
236949986,1cyclictest9-21ksoftirqd/021:10:120
236949986,1cyclictest9-21ksoftirqd/019:20:000
236949986,1cyclictest17529-21sh22:35:150
236949986,1cyclictest17529-21sh22:35:150
236949980,8cyclictest0-21swapper/020:08:100
236949980,4cyclictest26353-21latency_hist22:04:590
236949980,4cyclictest0-21swapper/000:22:180
236949980,2cyclictest240-21systemd-journal22:19:590
237149975,2cyclictest16779-21sh23:18:193
237149975,1cyclictest7806-21ssh22:21:513
237149975,0cyclictest13650irq/124-ahci[0020:24:553
237149973,3cyclictest23683-21cyclictest23:35:173
237149973,3cyclictest11688-21apt-get21:45:123
237149973,2cyclictest240-21systemd-journal23:45:273
237149973,2cyclictest240-21systemd-journal00:37:283
237149973,1cyclictest2625-21apt-get20:40:103
237149971,4cyclictest0-21swapper/323:20:073
237149971,4cyclictest0-21swapper/300:25:293
237149971,2cyclictest0-21swapper/300:20:203
237149970,5cyclictest7552-21apt-get23:50:103
237149970,4cyclictest0-21swapper/323:42:353
237149970,3cyclictest240-21systemd-journal23:00:003
237149970,2cyclictest0-21swapper/322:36:533
237149970,2cyclictest0-21swapper/322:36:523
237149970,2cyclictest0-21swapper/321:11:233
237069977,0cyclictest0-21swapper/223:54:052
237069976,1cyclictest61650irq/122-eno123:11:402
237069976,1cyclictest61650irq/122-eno122:40:122
237069976,1cyclictest61650irq/122-eno121:51:452
237069976,1cyclictest61650irq/122-eno121:40:192
237069976,1cyclictest61650irq/122-eno121:40:192
237069976,1cyclictest61650irq/122-eno100:35:132
237069976,1cyclictest61650irq/122-eno100:10:112
237069976,1cyclictest0-21swapper/200:15:312
237069976,0cyclictest61650irq/122-eno121:10:122
237069975,1cyclictest61650irq/122-eno123:40:412
237069975,1cyclictest61650irq/122-eno123:20:202
237069975,1cyclictest61650irq/122-eno122:30:112
237069975,1cyclictest61650irq/122-eno122:00:112
237069975,1cyclictest31191-21sshd21:27:292
237069975,1cyclictest21896-21ssh00:09:232
237069973,2cyclictest240-21systemd-journal19:43:072
237069973,2cyclictest240-21systemd-journal00:25:582
237069970,7cyclictest0-21swapper/221:39:532
237069970,6cyclictest14398-21expr23:15:142
237069970,2cyclictest0-21swapper/219:30:102
236979971,5cyclictest0-21swapper/122:05:161
236979970,6cyclictest0-21swapper/119:20:151
236979970,4cyclictest0-21swapper/123:15:021
236979970,3cyclictest0-21swapper/119:45:111
236979970,3cyclictest0-21swapper/100:04:191
236979970,1cyclictest0-21swapper/123:31:511
236949977,0cyclictest9-21ksoftirqd/023:20:180
236949976,1cyclictest9-21ksoftirqd/021:30:000
236949976,1cyclictest9-21ksoftirqd/021:15:130
236949976,1cyclictest9-21ksoftirqd/020:25:170
236949976,1cyclictest2080-1kworker/u9:023:01:040
236949975,1cyclictest9-21ksoftirqd/021:35:150
236949975,1cyclictest10997-21ssh23:10:130
236949974,2cyclictest16542-21diskmemload23:42:390
236949974,1cyclictest9-21ksoftirqd/019:35:000
236949972,4cyclictest19148-21apt-get21:55:130
236949970,6cyclictest7966-21ssh22:22:200
236949970,6cyclictest31456-21find20:30:190
236949970,6cyclictest27852-21aten_r1power_en22:50:110
236949970,6cyclictest21523-21aten_r1power_po23:25:130
236949970,6cyclictest12089-21ssh23:55:160
236949970,6cyclictest0-21swapper/022:40:160
236949970,6cyclictest0-21swapper/022:30:140
236949970,6cyclictest0-21swapper/022:25:150
236949970,6cyclictest0-21swapper/022:10:180
236949970,1cyclictest28553-21ssh22:05:530
236949970,1cyclictest27985-21cat00:15:210
236949970,1cyclictest21193-21ssh00:07:220
236949970,1cyclictest13386-21apt-get19:55:110
236949970,1cyclictest0-21swapper/022:55:130
20798270,1sleep30-21swapper/300:06:143
18092270,1sleep30-21swapper/300:04:063
237149965,1cyclictest7488-21ssh23:05:163
237149965,1cyclictest6789-21ssh21:37:413
237149965,1cyclictest3679-21ssh23:00:143
237149965,1cyclictest30239-21ssh22:52:133
237149965,1cyclictest29597-21sshd20:26:293
237149965,1cyclictest29395-21ssh00:18:593
237149965,1cyclictest25341-21ssh22:02:203
237149965,1cyclictest24648-21ssh21:20:003
237149965,1cyclictest24537-21ssh23:29:133
237149965,1cyclictest22721-21ssh22:41:553
237149965,1cyclictest20325-21ntpq21:55:193
237149965,1cyclictest12180-21cat23:55:163
237149965,1cyclictest10511-21ssh21:42:303
237149965,1cyclictest10511-21ssh21:42:303
237149962,1cyclictest30655-21aten_r1power_vo22:10:133
237149962,1cyclictest240-21systemd-journal19:55:013
237149961,4cyclictest26940-21apt-get19:15:123
237149961,3cyclictest32524-21ssh21:30:113
237149960,6cyclictest0-21swapper/320:00:203
237149960,5cyclictest693-21runrttasks22:25:183
237149960,4cyclictest29140-21ssh21:25:163
237149960,3cyclictest0-21swapper/322:32:513
237149960,3cyclictest0-21swapper/322:17:103
237149960,2cyclictest0-21swapper/321:15:503
237069966,0cyclictest61650irq/122-eno123:55:052
237069966,0cyclictest61650irq/122-eno123:35:362
237069966,0cyclictest61650irq/122-eno123:00:152
237069966,0cyclictest61650irq/122-eno122:51:062
237069966,0cyclictest61650irq/122-eno122:35:592
237069966,0cyclictest61650irq/122-eno122:35:592
237069966,0cyclictest61650irq/122-eno121:15:142
237069966,0cyclictest61650irq/122-eno120:52:462
237069966,0cyclictest61650irq/122-eno120:45:062
237069966,0cyclictest61650irq/122-eno120:20:382
237069966,0cyclictest61650irq/122-eno120:18:232
237069966,0cyclictest61650irq/122-eno120:13:182
237069966,0cyclictest61650irq/122-eno119:45:142
237069966,0cyclictest61650irq/122-eno119:35:112
237069966,0cyclictest61650irq/122-eno119:16:312
237069965,0cyclictest61650irq/122-eno121:05:122
237069964,1cyclictest61650irq/122-eno122:25:132
237069964,1cyclictest61650irq/122-eno122:15:102
237069964,1cyclictest61650irq/122-eno121:00:202
237069964,1cyclictest61650irq/122-eno120:00:122
237069964,1cyclictest61650irq/122-eno119:25:122
237069964,1cyclictest61650irq/122-eno100:30:182
237069964,1cyclictest28-21ksoftirqd/219:55:012
237069963,1cyclictest0-21swapper/220:35:152
237069961,3cyclictest30095-21nscd22:05:172
237069961,2cyclictest240-21systemd-journal20:05:012
236979966,0cyclictest0-21swapper/100:23:051
236979961,3cyclictest0-21swapper/122:55:151
236979961,3cyclictest0-21swapper/119:25:121
236979960,6cyclictest0-21swapper/122:30:161
236979960,6cyclictest0-21swapper/119:53:071
236979960,4cyclictest0-21swapper/122:40:311
236979960,4cyclictest0-21swapper/121:55:091
236979960,4cyclictest0-21swapper/119:15:111
236979960,4cyclictest0-21swapper/100:25:121
236979960,3cyclictest0-21swapper/123:09:351
236979960,3cyclictest0-21swapper/121:30:131
236979960,2cyclictest0-21swapper/122:20:001
236979960,1cyclictest0-21swapper/122:50:111
236979960,1cyclictest0-21swapper/122:14:101
236979960,1cyclictest0-21swapper/121:48:091
236979960,0cyclictest0-21swapper/123:00:111
236979960,0cyclictest0-21swapper/122:28:481
236979960,0cyclictest0-21swapper/120:45:201
236949965,1cyclictest9-21ksoftirqd/000:10:110
236949964,1cyclictest9-21ksoftirqd/019:14:590
236949964,1cyclictest16561-21cat21:10:000
236949960,2cyclictest0-21swapper/020:35:120
236949960,1cyclictest0-21swapper/020:55:140
236949960,0cyclictest0-21swapper/020:14:190
236949960,0cyclictest0-21swapper/020:04:530
236949960,0cyclictest0-21swapper/019:40:520
236949960,0cyclictest0-21swapper/019:35:160
236949960,0cyclictest0-21swapper/019:21:070
237149954,1cyclictest35-21ksoftirqd/320:07:533
237149954,1cyclictest27037-21ssh23:30:433
237149954,1cyclictest22733-21sshd20:14:293
237149953,1cyclictest9588-21irqstats19:45:143
237149953,1cyclictest15482-21basename21:50:123
237149952,1cyclictest4589-21tune2fs19:35:133
237149952,1cyclictest240-21systemd-journal00:12:273
237149951,1cyclictest0-21swapper/323:10:113
237149950,4cyclictest14794-21swap19:55:193
237149950,3cyclictest0-21swapper/319:20:143
237069955,0cyclictest61650irq/122-eno120:40:072
237069954,0cyclictest61650irq/122-eno120:55:072
237069952,1cyclictest28-21ksoftirqd/219:20:072
237069952,1cyclictest240-21systemd-journal20:30:232
237069950,4cyclictest13383-21/usr/sbin/munin19:55:172
236979952,1cyclictest0-21swapper/123:52:111
236979951,2cyclictest0-21swapper/123:26:591
236979950,5cyclictest0-21swapper/121:00:181
236979950,5cyclictest0-21swapper/120:25:181
236979950,4cyclictest0-21swapper/121:29:381
236979950,4cyclictest0-21swapper/120:55:001
236979950,3cyclictest0-21swapper/123:45:121
236979950,3cyclictest0-21swapper/121:51:141
236979950,3cyclictest0-21swapper/121:15:271
236979950,3cyclictest0-21swapper/121:10:121
236979950,3cyclictest0-21swapper/119:40:001
236979950,3cyclictest0-21swapper/100:35:321
236979950,2cyclictest0-21swapper/123:42:281
236979950,2cyclictest0-21swapper/123:10:151
236979950,2cyclictest0-21swapper/122:03:411
236979950,2cyclictest0-21swapper/100:11:491
236979950,1cyclictest0-21swapper/123:55:201
236979950,1cyclictest0-21swapper/122:35:101
236979950,1cyclictest0-21swapper/122:35:101
236979950,1cyclictest0-21swapper/121:21:021
236979950,1cyclictest0-21swapper/120:30:161
236979950,1cyclictest0-21swapper/119:10:111
236979950,1cyclictest0-21swapper/100:33:401
236979950,1cyclictest0-21swapper/100:15:121
236979950,0cyclictest0-21swapper/122:46:541
236949954,1cyclictest9-21ksoftirqd/020:45:150
236949954,1cyclictest9-21ksoftirqd/020:40:120
236949950,4cyclictest0-21swapper/020:50:120
237149944,0cyclictest6379-21sensors20:45:193
237149944,0cyclictest636-21sensors19:25:203
237149943,1cyclictest6465-21aten_r1power_vo19:40:123
237149943,1cyclictest13679-21sed21:00:213
237149941,2cyclictest9688-21apt-get20:55:123
237149941,1cyclictest240-21systemd-journal20:54:373
237149941,1cyclictest0-21swapper/320:30:123
237149940,4cyclictest0-21swapper/320:39:393
237149940,0cyclictest0-21swapper/320:15:153
236979944,0cyclictest0-21swapper/120:40:161
236979941,2cyclictest0-21swapper/119:33:071
236979941,1cyclictest0-21swapper/120:35:141
236979941,1cyclictest0-21swapper/120:00:121
236979940,4cyclictest0-21swapper/123:20:191
236979940,4cyclictest0-21swapper/120:15:311
236979940,3cyclictest27162-21taskset20:20:271
236979940,3cyclictest0-21swapper/120:55:171
236979940,1cyclictest201072sleep120:05:561
236979940,1cyclictest0-21swapper/119:55:111
236979940,0cyclictest0-21swapper/121:05:201
236979940,0cyclictest0-21swapper/100:05:021
237149930,1cyclictest0-21swapper/319:10:073
236979930,2cyclictest0-21swapper/120:10:121
236979930,1cyclictest0-21swapper/119:40:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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