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2026-05-02 - 14:26
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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 highest latencies:
System rack1slot1.osadl.org (updated Sat May 02, 2026 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
266302221159,24sleep10-21swapper/107:08:551
265922214149,22sleep00-21swapper/007:08:250
263742211152,21sleep30-21swapper/307:05:353
266242206168,24sleep20-21swapper/207:08:522
254792630,0sleep30-21swapper/312:06:363
173322220,0sleep00-21swapper/011:14:270
26795992018,1cyclictest9-21ksoftirqd/009:45:120
31112140,1sleep02679599cyclictest07:25:150
26795991311,1cyclictest9-21ksoftirqd/012:05:150
26813991211,1cyclictest35-21ksoftirqd/311:45:013
2679599127,3cyclictest240-21systemd-journal12:00:010
26795991211,1cyclictest9-21ksoftirqd/010:30:020
26795991210,1cyclictest9-21ksoftirqd/009:40:130
2679599119,1cyclictest9-21ksoftirqd/011:40:150
26795991111,0cyclictest0-21swapper/011:45:270
26795991111,0cyclictest0-21swapper/007:50:170
26795991110,1cyclictest9-21ksoftirqd/012:15:110
26795991110,1cyclictest9-21ksoftirqd/010:25:140
26795991110,1cyclictest9-21ksoftirqd/010:10:120
2679599111,5cyclictest21983-21sed09:54:590
2681399108,1cyclictest35-21ksoftirqd/308:04:593
2679599109,1cyclictest9-21ksoftirqd/010:50:150
2679599109,1cyclictest9-21ksoftirqd/007:30:160
2679599108,1cyclictest9-21ksoftirqd/011:35:130
2679599108,1cyclictest9-21ksoftirqd/010:15:170
2679599108,1cyclictest9-21ksoftirqd/007:45:000
2679599104,3cyclictest9-21ksoftirqd/009:30:150
2679599100,7cyclictest6654-21kworker/0:010:02:550
153822100,0sleep20-21swapper/212:35:572
268139998,1cyclictest35-21ksoftirqd/311:15:013
268139998,1cyclictest35-21ksoftirqd/308:54:593
268139997,1cyclictest35-21ksoftirqd/309:40:193
268139991,6cyclictest19240-21diskmemload11:53:033
268139991,6cyclictest19240-21diskmemload11:53:023
268079999,0cyclictest28-21ksoftirqd/210:31:232
268079990,7cyclictest19240-21diskmemload11:20:162
268079990,6cyclictest6681-21kworker/u8:210:20:532
267959998,1cyclictest9-21ksoftirqd/012:25:130
267959998,1cyclictest9-21ksoftirqd/012:20:150
267959998,1cyclictest9-21ksoftirqd/010:35:120
267959997,1cyclictest9-21ksoftirqd/009:15:000
267959997,1cyclictest9-21ksoftirqd/008:45:000
267959997,1cyclictest9-21ksoftirqd/007:10:120
267959995,1cyclictest9-21ksoftirqd/009:29:220
267959990,1cyclictest240-21systemd-journal10:05:540
26029290,0sleep30-21swapper/308:15:123
268139987,1cyclictest35-21ksoftirqd/311:39:593
268139987,1cyclictest35-21ksoftirqd/310:30:003
268139987,1cyclictest35-21ksoftirqd/308:05:153
268139986,1cyclictest35-21ksoftirqd/310:20:003
268139986,1cyclictest35-21ksoftirqd/307:15:003
268139986,1cyclictest30037-21cat11:30:153
268139986,1cyclictest14292-21cat12:35:163
268139982,2cyclictest28272-21cut10:45:153
268139981,4cyclictest240-21systemd-journal07:30:003
268139981,2cyclictest0-21swapper/309:50:153
268139981,1cyclictest0-21swapper/312:33:193
268139980,4cyclictest0-21swapper/309:26:163
268079986,1cyclictest61650irq/122-eno112:19:592
268079986,1cyclictest61650irq/122-eno112:05:212
268079986,1cyclictest61650irq/122-eno111:45:172
268079986,1cyclictest28-21ksoftirqd/210:44:592
268079986,1cyclictest16421-21unixbench_singl09:45:212
268079981,5cyclictest20152-21apt-get10:35:112
268009980,8cyclictest0-21swapper/110:25:101
268009980,8cyclictest0-21swapper/108:34:301
268009980,7cyclictest0-21swapper/110:40:561
268009980,7cyclictest0-21swapper/110:00:091
267959988,0cyclictest9-21ksoftirqd/008:35:160
267959987,1cyclictest9-21ksoftirqd/012:35:000
267959987,1cyclictest9-21ksoftirqd/012:00:180
267959987,1cyclictest9-21ksoftirqd/010:45:130
267959987,1cyclictest9-21ksoftirqd/008:25:010
267959986,1cyclictest9-21ksoftirqd/012:10:140
267959986,1cyclictest9-21ksoftirqd/011:50:150
267959986,1cyclictest9-21ksoftirqd/011:50:140
267959986,1cyclictest9-21ksoftirqd/011:00:160
267959986,1cyclictest9-21ksoftirqd/010:40:170
267959986,1cyclictest9-21ksoftirqd/010:20:140
267959986,1cyclictest18133-21cpuspeed_turbos11:15:130
267959980,4cyclictest28057-21latency_hist08:20:010
3082270,0sleep10-21swapper/108:35:121
268139976,1cyclictest35-21ksoftirqd/310:55:013
268139976,1cyclictest35-21ksoftirqd/310:25:013
268139976,1cyclictest35-21ksoftirqd/309:59:593
268139976,1cyclictest35-21ksoftirqd/309:15:013
268139975,1cyclictest5870-21ntpq07:30:193
268139975,1cyclictest35-21ksoftirqd/308:30:013
268139975,1cyclictest35-21ksoftirqd/307:44:593
268139975,1cyclictest3469-21sshd10:11:513
268139975,1cyclictest20386-21cat12:00:173
268139974,1cyclictest0-21swapper/312:15:593
268139973,2cyclictest240-21systemd-journal09:07:533
268139972,0cyclictest19240-21diskmemload11:09:393
268139972,0cyclictest19240-21diskmemload11:09:393
268139971,4cyclictest30927-21kworker/u8:210:06:383
268139971,3cyclictest19240-21diskmemload10:00:133
268139970,6cyclictest10275-21ssh09:39:023
268139970,5cyclictest0-21swapper/312:25:573
268139970,4cyclictest0-21swapper/312:20:113
268139970,3cyclictest14476-21runrttasks08:59:473
268079976,1cyclictest61650irq/122-eno112:26:002
268079976,1cyclictest61650irq/122-eno112:00:112
268079976,1cyclictest61650irq/122-eno111:50:122
268079976,1cyclictest61650irq/122-eno111:50:112
268079976,1cyclictest61650irq/122-eno111:40:132
268079976,1cyclictest61650irq/122-eno110:47:122
268079976,1cyclictest61650irq/122-eno110:25:192
268079976,1cyclictest61650irq/122-eno110:13:402
268079976,1cyclictest61650irq/122-eno109:33:142
268079976,1cyclictest61650irq/122-eno109:10:142
268079976,1cyclictest61650irq/122-eno108:30:122
268079976,1cyclictest61650irq/122-eno107:40:202
268079976,1cyclictest61650irq/122-eno107:35:152
268079976,1cyclictest17997-21cpu11:15:132
268079976,0cyclictest61650irq/122-eno112:30:402
268079976,0cyclictest61650irq/122-eno111:05:132
268079976,0cyclictest61650irq/122-eno111:05:122
268079975,1cyclictest61650irq/122-eno111:32:182
268079975,1cyclictest61650irq/122-eno109:50:152
268079975,1cyclictest61650irq/122-eno109:35:192
268079975,1cyclictest28-21ksoftirqd/209:15:002
268079975,1cyclictest28-21ksoftirqd/209:05:132
268079974,2cyclictest26786-21cyclictest10:00:432
268079972,5cyclictest61650irq/122-eno109:44:252
268079972,3cyclictest61650irq/122-eno111:25:332
268079972,3cyclictest61650irq/122-eno111:01:362
268009970,7cyclictest0-21swapper/112:38:301
268009970,7cyclictest0-21swapper/112:04:381
268009970,7cyclictest0-21swapper/111:53:481
268009970,7cyclictest0-21swapper/111:53:481
268009970,7cyclictest0-21swapper/110:54:471
268009970,7cyclictest0-21swapper/110:31:491
268009970,7cyclictest0-21swapper/109:56:201
268009970,7cyclictest0-21swapper/109:28:081
268009970,6cyclictest0-21swapper/112:20:091
268009970,6cyclictest0-21swapper/111:45:041
268009970,6cyclictest0-21swapper/111:40:151
268009970,6cyclictest0-21swapper/111:30:261
268009970,6cyclictest0-21swapper/111:15:041
268009970,6cyclictest0-21swapper/110:35:361
268009970,6cyclictest0-21swapper/110:20:201
268009970,6cyclictest0-21swapper/109:40:011
268009970,6cyclictest0-21swapper/109:36:501
268009970,3cyclictest0-21swapper/107:40:121
268009970,0cyclictest0-21swapper/112:30:341
268009970,0cyclictest0-21swapper/109:47:281
267959977,0cyclictest9-21ksoftirqd/009:20:000
267959976,1cyclictest9-21ksoftirqd/011:25:120
267959976,1cyclictest9-21ksoftirqd/011:05:130
267959976,1cyclictest9-21ksoftirqd/011:05:130
267959976,1cyclictest9-21ksoftirqd/010:55:100
267959976,1cyclictest9-21ksoftirqd/009:55:130
267959976,1cyclictest9-21ksoftirqd/008:05:160
267959976,1cyclictest9-21ksoftirqd/007:45:120
267959975,1cyclictest9-21ksoftirqd/009:05:140
267959975,1cyclictest9-21ksoftirqd/007:15:140
267959975,1cyclictest32163-21sort08:25:200
267959973,1cyclictest0-21swapper/007:55:180
267959970,6cyclictest7302-21sh09:35:140
267959970,6cyclictest19244-21apt-get09:10:010
267959970,6cyclictest10611-21uniq08:50:150
267959970,6cyclictest0-21swapper/011:30:130
267959970,1cyclictest2727-21perf08:35:010
267959970,1cyclictest19240-21diskmemload12:37:480
267959970,0cyclictest0-21swapper/011:20:010
268139965,1cyclictest35-21ksoftirqd/308:40:013
268139965,1cyclictest35-21ksoftirqd/307:35:143
268139965,1cyclictest30249-21ssh12:14:243
268139965,1cyclictest27946-21ssh09:20:133
268139965,1cyclictest26975-21ssh10:43:503
268139965,1cyclictest23475-21ssh11:20:313
268139965,1cyclictest16908-21ssh09:46:323
268139964,1cyclictest8964-21ssh11:02:023
268139964,1cyclictest35-21ksoftirqd/308:14:303
268139964,0cyclictest19240-21diskmemload11:46:073
268139963,1cyclictest4850-21rm10:56:083
268139963,1cyclictest35-21ksoftirqd/307:58:383
268139963,1cyclictest20693-21ssh11:18:183
268139963,1cyclictest19240-21diskmemload11:25:063
268139961,3cyclictest29841-21fschecks_time07:15:013
268139960,3cyclictest21376-21awk10:35:193
268139960,2cyclictest27422-21perf09:20:013
268139960,1cyclictest240-21systemd-journal08:49:543
268139960,0cyclictest0-21swapper/309:34:593
268079966,0cyclictest61650irq/122-eno112:10:002
268079966,0cyclictest61650irq/122-eno111:35:152
268079966,0cyclictest61650irq/122-eno110:55:132
268079966,0cyclictest61650irq/122-eno110:50:162
268079966,0cyclictest61650irq/122-eno110:15:162
268079966,0cyclictest61650irq/122-eno110:08:422
268079966,0cyclictest61650irq/122-eno109:25:032
268079966,0cyclictest61650irq/122-eno107:58:102
268079966,0cyclictest61650irq/122-eno107:50:112
268079966,0cyclictest61650irq/122-eno107:25:202
268079966,0cyclictest61650irq/122-eno107:20:122
268079966,0cyclictest61650irq/122-eno107:20:112
268079966,0cyclictest61650irq/122-eno107:10:122
268079965,1cyclictest61650irq/122-eno109:20:172
268079965,1cyclictest61650irq/122-eno108:45:152
268079965,1cyclictest61650irq/122-eno108:10:212
268079965,1cyclictest61650irq/122-eno107:30:192
268079965,1cyclictest22106-21cat08:05:182
268079965,0cyclictest61650irq/122-eno112:20:042
268079964,1cyclictest61650irq/122-eno109:55:112
268079964,1cyclictest61650irq/122-eno108:44:592
268079964,1cyclictest31214-21ntpq07:15:182
268079964,1cyclictest12957-21ntpq07:45:182
268079963,2cyclictest32011-21sendmail_mailst08:25:192
268079963,2cyclictest14888-21tail11:10:132
268079960,1cyclictest0-21swapper/211:55:152
268079960,1cyclictest0-21swapper/208:20:132
268009960,6cyclictest0-21swapper/112:25:431
268009960,6cyclictest0-21swapper/112:19:121
268009960,6cyclictest0-21swapper/112:14:451
268009960,6cyclictest0-21swapper/112:09:081
268009960,6cyclictest0-21swapper/111:56:251
268009960,6cyclictest0-21swapper/111:38:211
268009960,6cyclictest0-21swapper/111:21:071
268009960,6cyclictest0-21swapper/111:12:161
268009960,6cyclictest0-21swapper/111:05:321
268009960,6cyclictest0-21swapper/111:05:311
268009960,6cyclictest0-21swapper/111:01:121
268009960,6cyclictest0-21swapper/110:45:181
268009960,6cyclictest0-21swapper/110:15:091
268009960,6cyclictest0-21swapper/110:11:121
268009960,6cyclictest0-21swapper/110:06:321
268009960,6cyclictest0-21swapper/109:50:481
268009960,6cyclictest0-21swapper/109:30:241
268009960,6cyclictest0-21swapper/109:20:201
268009960,6cyclictest0-21swapper/109:10:341
268009960,6cyclictest0-21swapper/108:25:141
268009960,5cyclictest0-21swapper/108:00:001
268009960,4cyclictest0-21swapper/111:27:151
268009960,1cyclictest0-21swapper/107:35:011
268009960,0cyclictest0-21swapper/110:55:181
267959965,1cyclictest9-21ksoftirqd/008:55:150
267959965,1cyclictest9-21ksoftirqd/008:49:590
267959964,1cyclictest9-21ksoftirqd/008:00:120
267959964,1cyclictest9-21ksoftirqd/007:35:120
267959964,1cyclictest24469-21cat08:10:170
267959960,5cyclictest0-21swapper/007:20:160
267959960,5cyclictest0-21swapper/007:20:150
267959960,3cyclictest16083-21ps09:00:180
268139955,0cyclictest35-21ksoftirqd/311:55:003
268139953,1cyclictest951-21expr08:30:123
268139953,1cyclictest2287-21cat07:25:013
268139953,1cyclictest2287-21cat07:25:013
268139952,2cyclictest6838-21timerandwakeup08:40:213
268139952,2cyclictest14437-21tr07:50:133
268139952,1cyclictest16327-21seq10:30:023
268139951,1cyclictest0-21swapper/307:45:113
268139950,4cyclictest30445-21latency_hist08:25:013
268139950,3cyclictest15357-21fschecks_count09:00:153
268079955,0cyclictest61650irq/122-eno109:00:132
268079955,0cyclictest61650irq/122-eno108:35:212
268079955,0cyclictest61650irq/122-eno108:15:132
268079955,0cyclictest61650irq/122-eno108:01:542
268079954,1cyclictest61650irq/122-eno108:55:172
268079954,1cyclictest28-21ksoftirqd/208:50:142
268009951,1cyclictest0-21swapper/107:10:111
268009950,5cyclictest0-21swapper/109:00:161
268009950,5cyclictest0-21swapper/108:05:211
268009950,5cyclictest0-21swapper/108:00:201
268009950,2cyclictest0-21swapper/109:17:391
268009950,2cyclictest0-21swapper/107:25:191
268009950,1cyclictest0-21swapper/107:50:141
268009950,0cyclictest0-21swapper/108:20:181
268009944,0cyclictest0-21swapper/108:50:001
268009941,1cyclictest0-21swapper/107:45:111
268009940,4cyclictest0-21swapper/108:55:191
268009940,4cyclictest0-21swapper/108:44:261
268009940,4cyclictest0-21swapper/107:20:201
268009940,4cyclictest0-21swapper/107:20:201
268009940,3cyclictest27866-21chrt08:17:431
268009940,3cyclictest0-21swapper/107:15:191
268009940,0cyclictest0-21swapper/108:10:201
268009940,0cyclictest0-21swapper/107:35:131
268009932,1cyclictest0-21swapper/108:49:551
268009930,1cyclictest0-21swapper/109:05:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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