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2026-04-27 - 03:25
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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 Mon Apr 27, 2026 00:45:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
309682206158,23sleep30-21swapper/319:09:173
289192206150,43sleep20-21swapper/219:05:092
289182201162,26sleep10-21swapper/119:05:081
308832197159,24sleep00-21swapper/019:08:090
61582160,0sleep20-21swapper/221:26:272
31099991312,1cyclictest0-21swapper/123:30:111
31099991312,1cyclictest0-21swapper/123:30:111
3109899123,4cyclictest1040-21cut19:14:590
3110099117,3cyclictest28-21ksoftirqd/221:15:542
31100991111,0cyclictest61650irq/122-eno122:28:312
3109899119,1cyclictest9-21ksoftirqd/020:15:000
3110999109,1cyclictest35-21ksoftirqd/321:10:013
3110999109,1cyclictest35-21ksoftirqd/320:34:593
3110999109,1cyclictest35-21ksoftirqd/319:54:593
3110999109,1cyclictest35-21ksoftirqd/319:25:003
3110099100,5cyclictest12754-21kworker/u8:023:55:572
3109999100,0cyclictest0-21swapper/123:15:121
311099998,1cyclictest35-21ksoftirqd/319:40:003
311099997,1cyclictest35-21ksoftirqd/300:00:003
311099991,6cyclictest24198-21diskmemload21:24:193
311099990,8cyclictest24198-21diskmemload00:05:113
311009996,1cyclictest28-21ksoftirqd/220:15:002
311009994,2cyclictest240-21systemd-journal19:50:002
310999990,1cyclictest0-21swapper/119:31:021
310989998,1cyclictest9-21ksoftirqd/023:00:000
310989998,1cyclictest9-21ksoftirqd/020:57:530
310989997,1cyclictest9-21ksoftirqd/023:05:000
310989991,7cyclictest17067-21/usr/sbin/munin23:50:190
311099987,1cyclictest35-21ksoftirqd/323:35:133
311099987,1cyclictest35-21ksoftirqd/323:05:003
311099987,1cyclictest35-21ksoftirqd/322:25:003
311099987,1cyclictest35-21ksoftirqd/321:39:593
311099987,1cyclictest35-21ksoftirqd/319:15:333
311099987,0cyclictest35-21ksoftirqd/322:15:003
311099986,1cyclictest35-21ksoftirqd/320:40:003
311099986,1cyclictest27558-21cat23:20:183
311099980,2cyclictest0-21swapper/323:10:123
311009988,0cyclictest28-21ksoftirqd/222:45:432
311009986,1cyclictest61650irq/122-eno123:40:322
311009986,1cyclictest61650irq/122-eno123:10:222
311009986,1cyclictest61650irq/122-eno123:05:002
311009986,1cyclictest61650irq/122-eno120:35:112
311009986,1cyclictest61650irq/122-eno119:35:132
311009984,1cyclictest7495-21apt-get22:55:112
311009983,2cyclictest240-21systemd-journal00:05:002
311009982,5cyclictest61650irq/122-eno122:52:572
311009981,5cyclictest30616-21apt-get22:00:122
310999980,5cyclictest0-21swapper/119:50:171
310989987,1cyclictest9-21ksoftirqd/020:30:130
310989987,0cyclictest0-21swapper/022:24:420
310989986,1cyclictest9-21ksoftirqd/019:49:590
310989986,1cyclictest22742-21cron21:50:000
310989983,2cyclictest240-21systemd-journal21:32:190
310989981,6cyclictest22568-21ssh23:55:210
310989980,7cyclictest30171-21ssh22:40:220
310989980,7cyclictest30171-21ssh22:40:220
310989980,4cyclictest18386-21perf00:35:000
310989980,4cyclictest15955-21perf19:45:000
310989980,4cyclictest0-21swapper/021:25:180
310989980,1cyclictest32008-21sh21:19:540
310989980,1cyclictest27398-21ssh00:03:070
26172280,0sleep20-21swapper/222:35:202
7163270,1sleep30-21swapper/321:28:583
31632270,0sleep20-21swapper/222:44:222
31632270,0sleep20-21swapper/222:44:212
311099977,0cyclictest35-21ksoftirqd/321:05:003
311099977,0cyclictest35-21ksoftirqd/319:55:133
311099976,1cyclictest35-21ksoftirqd/323:00:003
311099976,1cyclictest35-21ksoftirqd/322:40:143
311099976,1cyclictest35-21ksoftirqd/322:40:143
311099976,1cyclictest35-21ksoftirqd/321:00:013
311099976,1cyclictest35-21ksoftirqd/320:29:593
311099976,1cyclictest35-21ksoftirqd/319:50:013
311099976,1cyclictest35-21ksoftirqd/300:20:013
311099976,1cyclictest35-21ksoftirqd/300:20:013
311099975,1cyclictest35-21ksoftirqd/323:15:133
311099975,1cyclictest35-21ksoftirqd/321:55:133
311099975,1cyclictest17799-21ssh21:41:433
311099974,3cyclictest30095-21nscd21:49:063
311099974,1cyclictest240-21systemd-journal22:54:593
311099974,1cyclictest23046-21/usr/sbin/munin21:50:183
311099973,2cyclictest9348-21cstates19:30:133
311099972,4cyclictest32174-21apt-get22:45:123
311099972,3cyclictest24198-21diskmemload23:08:113
311099972,2cyclictest17522-21cstates22:25:143
311099971,3cyclictest24198-21diskmemload00:14:513
311099970,4cyclictest0-21swapper/321:30:133
311099970,2cyclictest6670-21apt-get19:25:123
311009977,0cyclictest0-21swapper/223:21:472
311009976,1cyclictest61650irq/122-eno123:50:012
311009976,1cyclictest61650irq/122-eno122:21:042
311009976,1cyclictest61650irq/122-eno121:54:562
311009976,1cyclictest61650irq/122-eno121:32:162
311009976,1cyclictest61650irq/122-eno120:05:112
311009976,1cyclictest61650irq/122-eno100:30:322
311009976,1cyclictest61650irq/122-eno100:10:032
311009976,0cyclictest61650irq/122-eno122:15:122
311009975,1cyclictest61650irq/122-eno123:15:142
311009975,1cyclictest61650irq/122-eno122:06:012
311009975,1cyclictest61650irq/122-eno121:10:212
311009975,1cyclictest61650irq/122-eno121:00:152
311009975,1cyclictest61650irq/122-eno119:50:192
311009975,1cyclictest61650irq/122-eno100:20:002
311009975,1cyclictest61650irq/122-eno100:20:002
311009975,1cyclictest28993-21ssh21:56:242
311009975,1cyclictest2330-21ssh21:21:482
311009975,1cyclictest20455-21ssh00:35:272
311009973,3cyclictest28-21ksoftirqd/223:30:522
311009973,3cyclictest28-21ksoftirqd/223:30:522
311009973,2cyclictest240-21systemd-journal20:45:002
311009972,4cyclictest13977-21cut23:45:132
311009972,3cyclictest19296-21apt-get21:45:122
311009971,3cyclictest24198-21diskmemload23:04:592
311009970,6cyclictest15931-21expr21:40:122
310999972,2cyclictest0-21swapper/119:40:171
310999970,6cyclictest0-21swapper/119:10:141
310999970,4cyclictest0-21swapper/100:05:301
310999970,3cyclictest0-21swapper/122:35:061
310999970,1cyclictest0-21swapper/123:25:211
310999970,1cyclictest0-21swapper/121:55:201
310989976,1cyclictest13586-21ssh21:35:320
310989975,1cyclictest9-21ksoftirqd/022:00:010
310989975,1cyclictest7543-21if_eno119:25:160
310989975,1cyclictest422-21df21:20:140
310989975,1cyclictest1954-21cut23:30:110
310989975,1cyclictest1954-21cut23:30:100
310989973,3cyclictest30493-21ssh00:06:160
310989971,5cyclictest14990-21apt-key23:05:000
310989970,7cyclictest26725-21ssh22:36:180
310989970,7cyclictest13570-21ssh00:27:160
310989970,6cyclictest9599-21ssh23:40:130
310989970,6cyclictest5770-21ssh23:35:110
310989970,6cyclictest30619-21ssh22:00:120
310989970,6cyclictest26430-21ssh21:54:450
310989970,6cyclictest24753-21ssh23:15:400
310989970,6cyclictest24539-21ps20:00:170
310989970,6cyclictest16570-21ssh21:40:160
310989970,6cyclictest10916-21ssh22:15:190
310989970,6cyclictest10596-21diskstats20:40:130
310989970,6cyclictest10014-21latency_hist20:40:000
310989970,6cyclictest0-21swapper/000:10:130
310989970,1cyclictest29066-21ssh23:22:060
310989970,1cyclictest24198-21diskmemload23:25:080
310989970,1cyclictest15975-21ssh23:47:470
310989970,1cyclictest0-21swapper/022:50:230
310989970,1cyclictest0-21swapper/022:45:140
310989970,1cyclictest0-21swapper/022:25:170
310989970,1cyclictest0-21swapper/020:50:190
310989970,1cyclictest0-21swapper/019:55:110
311099966,0cyclictest35-21ksoftirqd/323:40:073
311099965,1cyclictest9371-21ssh00:21:043
311099965,1cyclictest35-21ksoftirqd/323:25:153
311099965,1cyclictest23244-21ssh22:32:043
311099965,1cyclictest21631-21ssh00:38:423
311099965,1cyclictest10661-21ntpq22:15:173
311099964,1cyclictest35-21ksoftirqd/320:25:003
311099962,2cyclictest0-21swapper/321:15:023
311099962,0cyclictest24198-21diskmemload00:29:473
311099961,3cyclictest28134-21apt-get20:10:123
311099961,1cyclictest24198-21diskmemload22:36:083
311099960,5cyclictest0-21swapper/320:40:153
311099960,4cyclictest25171-21diskstats00:00:163
311099960,3cyclictest0-21swapper/322:00:123
311099960,2cyclictest0-21swapper/321:12:103
311099960,1cyclictest0-21swapper/323:50:003
311099960,1cyclictest0-21swapper/323:30:113
311099960,1cyclictest0-21swapper/323:30:113
311009966,0cyclictest61650irq/122-eno123:35:182
311009966,0cyclictest61650irq/122-eno122:10:092
311009966,0cyclictest61650irq/122-eno119:57:492
311009966,0cyclictest61650irq/122-eno119:21:572
311009965,1cyclictest61650irq/122-eno123:25:002
311009965,1cyclictest61650irq/122-eno122:30:112
311009965,1cyclictest61650irq/122-eno100:05:142
311009964,1cyclictest61650irq/122-eno121:35:172
311009964,1cyclictest61650irq/122-eno120:25:162
311009964,1cyclictest61650irq/122-eno120:15:132
311009964,1cyclictest61650irq/122-eno100:25:182
311009964,1cyclictest61650irq/122-eno100:20:112
311009964,1cyclictest4049-21cron19:20:002
311009963,2cyclictest8773-21cron19:29:592
311009963,1cyclictest240-21systemd-journal19:14:592
311009962,2cyclictest240-21systemd-journal20:45:012
311009960,2cyclictest0-21swapper/220:20:172
311009960,1cyclictest0-21swapper/221:05:112
311009960,1cyclictest0-21swapper/219:30:132
310999966,0cyclictest0-21swapper/123:46:151
310999961,4cyclictest0-21swapper/100:25:131
310999961,3cyclictest0-21swapper/122:10:051
310999961,1cyclictest0-21swapper/119:45:121
310999960,6cyclictest0-21swapper/123:50:461
310999960,6cyclictest0-21swapper/121:14:271
310999960,6cyclictest0-21swapper/100:35:131
310999960,4cyclictest0-21swapper/122:50:141
310999960,4cyclictest0-21swapper/122:00:221
310999960,4cyclictest0-21swapper/119:25:131
310999960,3cyclictest0-21swapper/100:31:431
310999960,2cyclictest0-21swapper/123:05:221
310999960,2cyclictest0-21swapper/121:31:521
310999960,2cyclictest0-21swapper/121:16:561
310999960,1cyclictest0-21swapper/100:10:111
310999960,0cyclictest0-21swapper/123:35:101
310999960,0cyclictest0-21swapper/122:06:281
310989965,1cyclictest9516-21ssh00:21:290
310989964,1cyclictest9-21ksoftirqd/022:05:260
310989963,2cyclictest4058-21diskstats00:15:160
310989963,2cyclictest4058-21diskstats00:15:150
310989962,2cyclictest240-21systemd-journal19:39:470
310989961,0cyclictest0-21swapper/000:35:160
310989960,5cyclictest951-21df_inode20:20:140
310989960,5cyclictest5732-21ssh22:10:110
310989960,5cyclictest24198-21diskmemload22:30:120
310989960,4cyclictest745-21lldpd21:03:480
310989960,1cyclictest9230-21cpuspeed_turbos19:30:140
310989960,1cyclictest0-21swapper/019:20:150
310989960,0cyclictest0-21swapper/023:10:020
310989960,0cyclictest0-21swapper/021:10:160
310989960,0cyclictest0-21swapper/021:05:130
310989960,0cyclictest0-21swapper/020:17:130
311099955,0cyclictest24893-21kworker/3:119:41:503
311099954,1cyclictest35-21ksoftirqd/320:05:013
311099953,1cyclictest693-21runrttasks22:05:483
311099953,1cyclictest32030-21gltestperf19:10:143
311099952,1cyclictest25779-21apt-get20:05:103
311099951,1cyclictest16741-21diskmemload00:30:363
311099950,3cyclictest0-21swapper/320:50:173
311099950,2cyclictest0-21swapper/323:45:073
311099950,1cyclictest0-21swapper/320:15:123
311099950,0cyclictest0-21swapper/320:47:333
311009955,0cyclictest61650irq/122-eno119:40:162
311009954,1cyclictest61650irq/122-eno120:00:122
311009953,1cyclictest15500-21runrttasks20:50:152
311009950,5cyclictest0-21swapper/220:30:152
311009950,4cyclictest0-21swapper/220:55:142
310999955,0cyclictest0-21swapper/122:56:061
310999953,1cyclictest208702sleep123:10:241
310999953,1cyclictest15066-21chrt22:20:211
310999951,2cyclictest0-21swapper/121:35:121
310999951,2cyclictest0-21swapper/119:55:151
310999951,1cyclictest0-21swapper/123:40:191
310999951,1cyclictest0-21swapper/122:15:101
310999951,1cyclictest0-21swapper/120:50:011
310999950,5cyclictest0-21swapper/123:55:191
310999950,5cyclictest0-21swapper/123:20:441
310999950,5cyclictest0-21swapper/100:20:231
310999950,5cyclictest0-21swapper/100:15:181
310999950,5cyclictest0-21swapper/100:15:171
310999950,3cyclictest0-21swapper/123:00:141
310999950,3cyclictest0-21swapper/121:20:301
310999950,2cyclictest0-21swapper/122:30:201
310999950,2cyclictest0-21swapper/122:25:211
310999950,2cyclictest0-21swapper/121:05:131
310999950,1cyclictest0-21swapper/122:45:171
310999950,1cyclictest0-21swapper/122:40:011
310999950,1cyclictest0-21swapper/122:40:001
310999950,1cyclictest0-21swapper/121:50:421
310999950,1cyclictest0-21swapper/121:28:541
310999950,1cyclictest0-21swapper/120:35:111
310999950,0cyclictest0-21swapper/121:47:571
310999950,0cyclictest0-21swapper/120:15:121
310999950,0cyclictest0-21swapper/100:01:041
310989953,1cyclictest0-21swapper/020:45:110
310989952,2cyclictest19924-21cat19:50:210
310989950,5cyclictest0-21swapper/020:25:140
310989950,4cyclictest1934-21/usr/sbin/munin19:15:120
310989950,0cyclictest0-21swapper/020:05:110
310999941,3cyclictest0-21swapper/119:35:181
310999940,3cyclictest0-21swapper/121:40:051
310999940,3cyclictest0-21swapper/120:10:011
310999940,3cyclictest0-21swapper/120:05:011
310999940,2cyclictest0-21swapper/120:20:151
310999940,2cyclictest0-21swapper/119:20:141
310999940,2cyclictest0-21swapper/119:15:151
310999940,1cyclictest0-21swapper/120:55:191
310999940,1cyclictest0-21swapper/120:34:591
310999940,0cyclictest0-21swapper/120:25:131
11850240,1sleep10-21swapper/120:40:341
310999932,1cyclictest0-21swapper/120:10:001
310999931,1cyclictest0-21swapper/121:00:121
310999931,1cyclictest0-21swapper/120:45:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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