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2026-03-15 - 03:24
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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 Sun Mar 15, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13702207151,22sleep10-21swapper/119:05:081
31782204150,43sleep30-21swapper/319:06:023
32612197158,25sleep20-21swapper/219:07:072
32122197156,26sleep00-21swapper/019:06:280
36242230,0sleep00-21swapper/021:59:130
164172150,0sleep00-21swapper/022:15:150
47202140,0sleep00-21swapper/000:05:130
3587991310,1cyclictest28-21ksoftirqd/223:59:592
3573991311,1cyclictest9-21ksoftirqd/020:20:010
3587991211,1cyclictest28-21ksoftirqd/219:15:002
357399124,4cyclictest24871-21perf23:50:000
358799110,0cyclictest0-21swapper/220:10:112
357399113,4cyclictest21064-21sort23:45:000
357399112,4cyclictest16299-21ls19:35:000
357399111,5cyclictest21029-21latency_hist19:45:000
359599107,1cyclictest35-21ksoftirqd/320:45:003
358799108,1cyclictest28-21ksoftirqd/219:35:012
3587991010,0cyclictest28-21ksoftirqd/222:48:142
3587991010,0cyclictest28-21ksoftirqd/222:48:132
357399108,1cyclictest9-21ksoftirqd/021:00:000
357399108,1cyclictest9-21ksoftirqd/019:15:000
35959999,0cyclictest35-21ksoftirqd/323:30:453
35739997,1cyclictest19573-21ssh23:00:160
35739994,2cyclictest240-21systemd-journal22:45:000
35959986,1cyclictest707-21snmpd23:21:453
35959986,1cyclictest707-21snmpd21:36:383
35959986,1cyclictest707-21snmpd21:30:433
35959986,1cyclictest707-21snmpd20:39:453
35959986,1cyclictest707-21snmpd20:29:503
35959986,1cyclictest707-21snmpd20:00:083
35959986,1cyclictest707-21snmpd19:26:463
35959986,1cyclictest35-21ksoftirqd/323:40:003
35879988,0cyclictest0-21swapper/222:27:212
35879986,1cyclictest61650irq/122-eno123:20:002
35879986,1cyclictest61650irq/122-eno121:20:172
35879986,1cyclictest28-21ksoftirqd/222:35:002
35879980,1cyclictest0-21swapper/221:42:552
35879980,0cyclictest0-21swapper/222:55:082
35739988,0cyclictest0-21swapper/023:07:030
35739987,1cyclictest9-21ksoftirqd/023:30:000
35739987,1cyclictest9-21ksoftirqd/021:20:000
35739986,1cyclictest707-21snmpd23:36:120
35739986,1cyclictest707-21snmpd20:28:380
35739986,1cyclictest707-21snmpd19:48:370
35739985,3cyclictest2884-21ntpq23:20:160
35739983,4cyclictest6903-21telnet22:45:110
35739983,4cyclictest6903-21telnet22:45:110
35739981,5cyclictest28982-21apt-get23:55:110
35739981,4cyclictest28882-21diskmemload21:24:370
35739980,3cyclictest0-21swapper/022:51:140
15861280,1sleep315856-21pmu-power22:55:163
35959976,1cyclictest7110-21aten2.4-expect19:15:133
35959976,1cyclictest707-21snmpd22:46:073
35959976,1cyclictest707-21snmpd22:46:073
35959976,1cyclictest707-21snmpd22:16:393
35959976,1cyclictest707-21snmpd21:26:373
35959976,1cyclictest17120-21cat00:20:163
35959975,1cyclictest707-21snmpd23:48:333
35959975,1cyclictest707-21snmpd20:16:443
35959975,1cyclictest707-21snmpd19:58:353
35959975,1cyclictest707-21snmpd19:22:293
35959975,1cyclictest27220-21ssh21:46:263
35959972,2cyclictest0-21swapper/300:19:043
35959971,4cyclictest3963-21awk22:00:013
35959971,3cyclictest0-21swapper/319:10:173
35959970,6cyclictest10240-21ssh00:10:533
35959970,5cyclictest2216-21kworker/u8:022:37:143
35959970,5cyclictest0-21swapper/322:51:033
35879976,1cyclictest61650irq/122-eno123:50:212
35879976,1cyclictest61650irq/122-eno123:30:172
35879976,1cyclictest61650irq/122-eno121:59:182
35879976,1cyclictest61650irq/122-eno121:50:362
35879976,1cyclictest61650irq/122-eno121:25:122
35879976,1cyclictest61650irq/122-eno119:15:132
35879976,1cyclictest61650irq/122-eno100:15:122
35879976,0cyclictest61650irq/122-eno121:15:232
35879976,0cyclictest61650irq/122-eno100:32:452
35879975,1cyclictest707-21snmpd00:05:172
35879975,1cyclictest61650irq/122-eno123:20:102
35879975,1cyclictest61650irq/122-eno120:50:182
35879975,1cyclictest61650irq/122-eno100:00:152
35879973,2cyclictest548-21systemd-logind22:35:192
35879971,2cyclictest0-21swapper/223:10:222
35879971,2cyclictest0-21swapper/222:10:102
35879970,2cyclictest0-21swapper/221:45:122
35879970,1cyclictest0-21swapper/223:28:192
35879970,1cyclictest0-21swapper/222:08:072
35809971,6cyclictest0-21swapper/121:55:421
35809970,7cyclictest0-21swapper/121:02:411
35809970,6cyclictest0-21swapper/123:38:031
35809970,6cyclictest0-21swapper/119:15:161
35809970,3cyclictest0-21swapper/119:55:101
35739977,0cyclictest9-21ksoftirqd/022:20:120
35739976,1cyclictest707-21snmpd22:29:130
35739976,1cyclictest26562-1kworker/u9:200:33:300
35739975,1cyclictest707-21snmpd23:30:180
35739975,1cyclictest707-21snmpd22:11:060
35739975,1cyclictest707-21snmpd21:08:100
35739975,1cyclictest707-21snmpd20:06:080
35739975,1cyclictest707-21snmpd19:38:110
35739975,1cyclictest26809-21cat19:55:150
35739975,1cyclictest0-21swapper/021:35:200
35739972,4cyclictest26399-21apt-get23:10:140
35739972,3cyclictest28883-21apt-get21:50:100
35739972,2cyclictest569-21nscd20:00:110
35739971,6cyclictest0-21swapper/021:25:050
35739971,3cyclictest0-21swapper/020:40:110
35739970,6cyclictest5659-21cstates20:20:110
35739970,6cyclictest31820-21ssh21:12:490
35739970,6cyclictest29553-21ssh00:35:190
35739970,6cyclictest25678-21ps21:00:200
35739970,6cyclictest15723-21apt-get00:20:010
35739970,6cyclictest0-21swapper/020:10:440
35739970,4cyclictest19288-21date20:50:000
35739970,4cyclictest0-21swapper/023:15:150
35739970,1cyclictest3603-21ssh00:03:480
35739970,1cyclictest28882-21diskmemload00:16:460
35739970,1cyclictest28072-21ssh23:53:230
35739970,1cyclictest27741-21aten2.4-expect22:30:120
35739970,1cyclictest2396-21ssh22:39:160
35739970,1cyclictest22261-21ssh00:26:180
35739970,1cyclictest21101-21ssh21:40:040
35739970,1cyclictest16342-21ssh21:33:490
35739970,1cyclictest0-21swapper/020:39:580
35739970,1cyclictest0-21swapper/000:11:170
35959965,1cyclictest707-21snmpd23:28:323
35959965,1cyclictest707-21snmpd23:07:053
35959965,1cyclictest707-21snmpd22:26:363
35959965,1cyclictest6289-21ssh00:05:403
35959965,1cyclictest32494-21ssh23:16:293
35959965,1cyclictest31366-21ssh21:11:443
35959965,1cyclictest30725-21ssh00:37:363
35959965,1cyclictest29824-21ssh22:31:203
35959965,1cyclictest2938-21ssh22:40:033
35959965,1cyclictest27154-21ssh00:33:573
35959965,1cyclictest26333-21ssh23:10:013
35959965,1cyclictest26320-21ntpq23:50:193
35959965,1cyclictest2484-21ssh00:00:543
35959965,1cyclictest21932-21ssh00:25:273
35959965,1cyclictest21602-21ssh22:20:313
35959965,1cyclictest20367-21ssh23:00:363
35959965,1cyclictest11977-21ssh22:10:083
35959965,1cyclictest10936-21cat20:30:153
35959965,1cyclictest10704-21ssh22:07:263
35959964,1cyclictest7072-21ssh21:21:273
35959964,1cyclictest707-21snmpd21:03:453
35959964,1cyclictest707-21snmpd19:33:433
35959964,1cyclictest6236-21ssh22:00:513
35959964,1cyclictest35-21ksoftirqd/321:05:113
35959961,1cyclictest18782-21sendmail_mailqu23:40:203
35959960,3cyclictest0-21swapper/321:15:003
35959960,3cyclictest0-21swapper/320:50:163
35959960,1cyclictest21134-21apt-get21:40:103
35879966,0cyclictest61650irq/122-eno123:46:062
35879966,0cyclictest61650irq/122-eno123:03:532
35879966,0cyclictest61650irq/122-eno122:50:132
35879966,0cyclictest61650irq/122-eno122:40:182
35879966,0cyclictest61650irq/122-eno122:20:042
35879966,0cyclictest61650irq/122-eno122:15:222
35879966,0cyclictest61650irq/122-eno121:10:052
35879966,0cyclictest61650irq/122-eno121:05:152
35879966,0cyclictest61650irq/122-eno121:00:212
35879966,0cyclictest61650irq/122-eno120:56:372
35879966,0cyclictest61650irq/122-eno120:45:032
35879966,0cyclictest61650irq/122-eno120:04:292
35879966,0cyclictest61650irq/122-eno119:49:212
35879966,0cyclictest61650irq/122-eno100:25:142
35879966,0cyclictest61650irq/122-eno100:20:172
35879965,1cyclictest707-21snmpd20:07:022
35879965,1cyclictest707-21snmpd00:35:012
35879965,1cyclictest61650irq/122-eno123:40:042
35879965,1cyclictest61650irq/122-eno123:05:162
35879965,1cyclictest61650irq/122-eno122:00:082
35879965,1cyclictest61650irq/122-eno120:30:152
35879965,1cyclictest61650irq/122-eno120:25:142
35879965,1cyclictest28-21ksoftirqd/219:35:132
35879964,1cyclictest61650irq/122-eno123:35:142
35879964,1cyclictest61650irq/122-eno119:50:122
35879964,1cyclictest61650irq/122-eno100:10:002
35879963,0cyclictest13054-21apt-get21:30:102
35879961,3cyclictest0-21swapper/221:35:112
35879960,1cyclictest0-21swapper/220:35:072
35809965,1cyclictest0-21swapper/120:52:071
35809961,4cyclictest0-21swapper/122:15:151
35809961,3cyclictest0-21swapper/123:05:001
35809960,6cyclictest0-21swapper/123:53:121
35809960,6cyclictest0-21swapper/123:44:581
35809960,6cyclictest0-21swapper/122:57:411
35809960,6cyclictest0-21swapper/122:41:321
35809960,6cyclictest0-21swapper/122:23:461
35809960,6cyclictest0-21swapper/122:10:581
35809960,6cyclictest0-21swapper/121:16:581
35809960,6cyclictest0-21swapper/121:11:311
35809960,6cyclictest0-21swapper/119:45:261
35809960,6cyclictest0-21swapper/100:02:551
35809960,5cyclictest0-21swapper/121:05:101
35809960,5cyclictest0-21swapper/120:56:151
35809960,5cyclictest0-21swapper/120:30:151
35809960,5cyclictest0-21swapper/100:18:021
35809960,3cyclictest0-21swapper/121:27:401
35809960,2cyclictest0-21swapper/122:38:271
35809960,1cyclictest0-21swapper/123:58:491
35809960,1cyclictest0-21swapper/100:22:461
35809960,0cyclictest0-21swapper/121:42:211
35739964,1cyclictest707-21snmpd19:21:280
35739961,4cyclictest26624-21kworker/u8:019:50:500
35739961,3cyclictest28882-21diskmemload22:55:080
35739960,6cyclictest0-21swapper/022:00:120
35739960,6cyclictest0-21swapper/019:13:340
35739960,5cyclictest8140-21ssh22:05:120
35739960,5cyclictest0-21swapper/019:28:220
35739960,0cyclictest0-21swapper/021:45:160
35739960,0cyclictest0-21swapper/020:51:370
35959954,1cyclictest28978-21ssh23:55:103
35959951,3cyclictest23579-21apt-get19:50:103
35959951,0cyclictest0-21swapper/319:35:113
35959950,4cyclictest7448-21latency_hist20:25:013
35959950,3cyclictest0-21swapper/321:50:203
35879955,0cyclictest61650irq/122-eno120:15:162
35879955,0cyclictest61650irq/122-eno119:55:162
35879955,0cyclictest61650irq/122-eno119:25:122
35879955,0cyclictest61650irq/122-eno119:20:112
35879953,1cyclictest5330-21/usr/sbin/munin20:20:162
35879950,2cyclictest0-21swapper/219:40:112
35879950,1cyclictest15600-21cat20:40:142
35809955,0cyclictest0-21swapper/123:48:541
35809955,0cyclictest0-21swapper/123:20:341
35809955,0cyclictest0-21swapper/119:20:051
35809952,3cyclictest0-21swapper/123:30:201
35809952,1cyclictest0-21swapper/123:02:011
35809950,5cyclictest0-21swapper/123:10:561
35809950,5cyclictest0-21swapper/122:33:221
35809950,5cyclictest0-21swapper/121:48:341
35809950,5cyclictest0-21swapper/121:34:301
35809950,5cyclictest0-21swapper/120:20:471
35809950,5cyclictest0-21swapper/120:14:431
35809950,5cyclictest0-21swapper/120:08:481
35809950,5cyclictest0-21swapper/119:38:461
35809950,5cyclictest0-21swapper/100:36:301
35809950,5cyclictest0-21swapper/100:29:301
35809950,5cyclictest0-21swapper/100:14:071
35809950,4cyclictest0-21swapper/122:50:571
35809950,3cyclictest0-21swapper/122:45:101
35809950,3cyclictest0-21swapper/122:45:101
35809950,3cyclictest0-21swapper/122:27:091
35809950,3cyclictest0-21swapper/122:07:481
35809950,3cyclictest0-21swapper/120:00:161
35809950,3cyclictest0-21swapper/100:35:001
35809950,2cyclictest0-21swapper/123:26:191
35809950,2cyclictest0-21swapper/121:20:081
35809950,2cyclictest0-21swapper/120:15:121
35809950,1cyclictest0-21swapper/123:15:151
35809950,0cyclictest0-21swapper/120:40:111
35739950,4cyclictest0-21swapper/020:30:110
35959944,0cyclictest22629-21sensors19:45:193
35959943,1cyclictest31619-21sed20:05:143
35959942,1cyclictest17953-21hwlatdetect20:45:153
35959941,1cyclictest0-21swapper/320:10:133
35959940,3cyclictest0-21swapper/320:55:013
35959940,0cyclictest18876-21apt-get19:40:123
35809944,0cyclictest0-21swapper/120:27:521
35809943,1cyclictest0-21swapper/119:25:121
35809942,1cyclictest0-21swapper/120:35:151
35809941,2cyclictest0-21swapper/121:50:101
35809941,1cyclictest0-21swapper/100:05:131
35809940,3cyclictest0-21swapper/122:02:201
35809940,1cyclictest0-21swapper/120:45:181
35809940,1cyclictest0-21swapper/119:30:181
35809940,0cyclictest0-21swapper/121:35:001
35809940,0cyclictest0-21swapper/119:40:191
35809931,1cyclictest0-21swapper/119:50:101
35809931,1cyclictest0-21swapper/119:10:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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