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2026-04-20 - 17:59
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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 20, 2026 12:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
90552245160,72sleep20-21swapper/207:06:142
90632203139,51sleep00-21swapper/007:06:200
91632200161,26sleep30-21swapper/307:07:393
93172198160,24sleep10-21swapper/107:09:391
264342540,0sleep10-21swapper/112:30:131
310302200,0sleep10-21swapper/109:00:111
9430991711,6cyclictest9-21ksoftirqd/008:45:150
260572130,0sleep30-21swapper/310:20:193
9430991210,1cyclictest9-21ksoftirqd/008:44:590
9430991210,1cyclictest9-21ksoftirqd/007:50:000
943099120,1cyclictest0-21swapper/008:30:110
944299114,4cyclictest28-21ksoftirqd/212:37:072
943099119,1cyclictest9-21ksoftirqd/009:15:000
943099114,6cyclictest18490-21perf09:30:000
943099112,4cyclictest11348-21latency_hist08:20:000
9430991111,0cyclictest9-21ksoftirqd/010:14:590
9430991110,1cyclictest9-21ksoftirqd/011:30:000
9430991110,1cyclictest9-21ksoftirqd/010:20:000
9430991110,1cyclictest9-21ksoftirqd/008:10:000
9430991110,1cyclictest9-21ksoftirqd/007:40:000
944899100,9cyclictest1477-21latency_hist09:50:003
944299109,1cyclictest0-21swapper/211:40:122
943099109,1cyclictest9-21ksoftirqd/012:30:010
943099109,1cyclictest9-21ksoftirqd/012:30:000
943099109,1cyclictest9-21ksoftirqd/011:55:140
943099109,1cyclictest9-21ksoftirqd/010:00:010
943099108,1cyclictest9-21ksoftirqd/008:05:010
943099108,1cyclictest9-21ksoftirqd/007:15:010
94429999,0cyclictest0-21swapper/210:41:322
94429997,1cyclictest28-21ksoftirqd/208:50:002
94429994,4cyclictest28-21ksoftirqd/210:57:502
94309998,1cyclictest9-21ksoftirqd/010:39:470
94309997,1cyclictest9-21ksoftirqd/007:14:590
94489987,1cyclictest35-21ksoftirqd/311:20:003
94489986,1cyclictest17998-21snmpd10:57:273
94489986,1cyclictest17998-21snmpd10:29:473
94489986,1cyclictest17998-21snmpd09:10:423
94489981,6cyclictest2672-21diskmemload10:16:323
94489981,3cyclictest0-21swapper/312:20:173
94489980,6cyclictest29971-21perf11:14:553
94489980,3cyclictest0-21swapper/310:35:143
94489980,2cyclictest0-21swapper/309:40:103
94429986,1cyclictest61650irq/122-eno110:50:132
94429986,1cyclictest17998-21snmpd10:32:172
94429986,1cyclictest17998-21snmpd10:03:232
94429986,1cyclictest17998-21snmpd09:44:432
94429986,1cyclictest17998-21snmpd09:13:032
94429986,1cyclictest1684-21sendmail-msp08:00:012
94429986,1cyclictest11342-21ssh10:45:112
94429981,3cyclictest17532-21cat10:10:132
94349981,1cyclictest0-21swapper/107:12:171
94309987,1cyclictest9-21ksoftirqd/010:25:000
94309987,1cyclictest9-21ksoftirqd/009:30:140
94309987,1cyclictest9-21ksoftirqd/007:55:000
94309986,1cyclictest9-21ksoftirqd/010:50:000
94309986,1cyclictest17998-21snmpd09:45:220
94309986,1cyclictest17998-21snmpd09:09:330
94309986,1cyclictest10290-21cat10:00:140
94309984,2cyclictest240-21systemd-journal12:04:590
94309981,6cyclictest14104-21ssh10:05:160
94309980,7cyclictest29607-21ssh11:09:030
94309980,7cyclictest0-21swapper/011:50:180
94309980,1cyclictest25369-21sh09:38:040
94309980,1cyclictest20156-21ssh11:39:440
25783280,1sleep20-21swapper/209:39:142
94489977,0cyclictest0-21swapper/311:55:263
94489976,1cyclictest31724-21dpkg07:55:013
94489976,1cyclictest2672-21diskmemload11:37:333
94489976,1cyclictest17998-21snmpd09:16:453
94489976,1cyclictest17998-21snmpd08:22:473
94489975,1cyclictest35-21ksoftirqd/309:50:133
94489975,1cyclictest17998-21snmpd12:25:093
94489975,1cyclictest17998-21snmpd12:25:093
94489975,1cyclictest17998-21snmpd11:05:183
94489975,1cyclictest17998-21snmpd09:01:393
94489975,1cyclictest17998-21snmpd08:53:243
94489975,1cyclictest17998-21snmpd08:44:323
94489975,1cyclictest17998-21snmpd08:10:243
94489975,1cyclictest17998-21snmpd07:39:593
94489975,1cyclictest17998-21snmpd07:34:183
94489975,1cyclictest17998-21snmpd07:10:443
94489972,2cyclictest8646-21/usr/sbin/munin10:40:173
94489970,4cyclictest24527-21taskset09:35:473
94489970,4cyclictest0-21swapper/311:34:193
94489970,4cyclictest0-21swapper/309:28:503
94489970,2cyclictest17167-21apt-get10:10:123
94489970,2cyclictest0-21swapper/310:09:333
94489970,2cyclictest0-21swapper/310:00:153
94429976,1cyclictest61650irq/122-eno112:15:542
94429976,1cyclictest61650irq/122-eno111:55:102
94429976,1cyclictest61650irq/122-eno111:00:072
94429976,1cyclictest61650irq/122-eno109:17:442
94429976,1cyclictest61650irq/122-eno108:01:312
94429976,1cyclictest2771-21ntpq11:15:182
94429975,1cyclictest61650irq/122-eno111:20:152
94429975,1cyclictest61650irq/122-eno111:05:172
94429975,1cyclictest61650irq/122-eno110:20:142
94429975,1cyclictest61650irq/122-eno107:15:012
94429975,1cyclictest22123-21ntpq10:15:182
94429975,1cyclictest17998-21snmpd12:28:302
94429975,1cyclictest17998-21snmpd12:28:302
94429975,1cyclictest17998-21snmpd12:12:142
94429975,1cyclictest17998-21snmpd09:45:492
94429975,1cyclictest17998-21snmpd08:33:472
94429975,1cyclictest11032-21ls09:20:142
94429974,1cyclictest61650irq/122-eno111:52:182
94429971,6cyclictest0-21swapper/212:02:592
94349971,6cyclictest0-21swapper/112:22:241
94349971,2cyclictest0-21swapper/109:25:161
94349971,1cyclictest0-21swapper/107:31:511
94349970,4cyclictest0-21swapper/112:25:121
94349970,4cyclictest0-21swapper/112:25:111
94349970,4cyclictest0-21swapper/111:54:561
94349970,1cyclictest0-21swapper/111:34:311
94349970,0cyclictest0-21swapper/111:03:141
94309976,1cyclictest9-21ksoftirqd/008:55:010
94309976,1cyclictest16964-21ssh10:50:360
94309975,1cyclictest9-21ksoftirqd/012:35:150
94309975,1cyclictest17998-21snmpd08:24:290
94309975,1cyclictest13716-21ssh09:22:570
94309975,1cyclictest12956-21ssh11:30:050
94309972,5cyclictest2672-21diskmemload09:43:100
94309972,4cyclictest6118-21fschecks_time11:20:140
94309971,5cyclictest733-21sshd09:50:020
94309971,5cyclictest22674-21ssh11:00:090
94309971,5cyclictest11985-21munin-node08:55:110
94309970,6cyclictest996-21netstat10:30:150
94309970,6cyclictest9091-21ssh10:40:200
94309970,6cyclictest31975-21ssh11:10:210
94309970,6cyclictest27461-21ssh12:30:190
94309970,6cyclictest19328-21grep12:20:130
94309970,6cyclictest11795-1kworker/u9:010:25:110
94309970,1cyclictest7826-21wc09:15:170
94309970,1cyclictest4304-21ssh11:17:500
94309970,1cyclictest19197-21cstates10:55:130
94309970,1cyclictest14567-21taskset12:14:590
94309970,1cyclictest0-21swapper/011:45:160
94309970,1cyclictest0-21swapper/008:10:130
94489965,1cyclictest8534-21ssh09:58:333
94489965,1cyclictest3584-21ssh12:00:143
94489965,1cyclictest35-21ksoftirqd/307:19:443
94489965,1cyclictest32272-21ssh10:30:063
94489965,1cyclictest29289-21ssh12:33:453
94489965,1cyclictest26236-21ssh11:45:333
94489965,1cyclictest22879-21ssh11:41:443
94489965,1cyclictest20632-21ssh09:30:373
94489965,1cyclictest17998-21snmpd08:32:463
94489965,1cyclictest17040-21ssh12:16:223
94489965,1cyclictest13220-21ssh12:11:153
94489965,1cyclictest12811-21ssh09:20:503
94489964,1cyclictest17998-21snmpd12:07:523
94489964,1cyclictest17998-21snmpd08:27:113
94489964,1cyclictest11455-21ssh11:26:353
94489963,1cyclictest2672-21diskmemload10:46:053
94489962,1cyclictest2672-21diskmemload11:50:253
94489962,1cyclictest20770-21awk08:40:003
94489961,3cyclictest0-21swapper/307:20:003
94489960,3cyclictest2672-21diskmemload11:00:193
94489960,3cyclictest15475-21expr10:50:123
94489960,3cyclictest0-21swapper/312:36:113
94489960,2cyclictest0-21swapper/307:40:173
94489960,1cyclictest240-21systemd-journal07:49:553
94429966,0cyclictest61650irq/122-eno112:30:122
94429966,0cyclictest61650irq/122-eno112:20:142
94429966,0cyclictest61650irq/122-eno111:45:022
94429966,0cyclictest61650irq/122-eno111:35:142
94429966,0cyclictest61650irq/122-eno111:25:112
94429966,0cyclictest61650irq/122-eno111:10:042
94429966,0cyclictest61650irq/122-eno110:35:562
94429966,0cyclictest61650irq/122-eno109:55:192
94429966,0cyclictest61650irq/122-eno109:50:052
94429966,0cyclictest61650irq/122-eno109:30:102
94429966,0cyclictest61650irq/122-eno109:26:272
94429966,0cyclictest61650irq/122-eno108:55:022
94429966,0cyclictest61650irq/122-eno108:53:512
94429966,0cyclictest61650irq/122-eno108:37:122
94429966,0cyclictest61650irq/122-eno108:25:382
94429966,0cyclictest61650irq/122-eno107:49:232
94429966,0cyclictest61650irq/122-eno107:41:152
94429966,0cyclictest61650irq/122-eno107:37:412
94429966,0cyclictest61650irq/122-eno107:27:572
94429966,0cyclictest61650irq/122-eno107:20:202
94429965,1cyclictest61650irq/122-eno111:30:212
94429965,1cyclictest61650irq/122-eno110:05:012
94429965,1cyclictest61650irq/122-eno109:05:222
94429965,1cyclictest61650irq/122-eno107:50:112
94429965,1cyclictest61650irq/122-eno107:30:142
94429964,1cyclictest61650irq/122-eno110:25:192
94429964,1cyclictest28-21ksoftirqd/209:01:422
94429960,5cyclictest0-21swapper/208:15:162
94429960,2cyclictest0-21swapper/208:05:122
94429960,1cyclictest0-21swapper/212:06:292
94349965,1cyclictest0-21swapper/112:07:101
94349961,3cyclictest0-21swapper/107:20:001
94349961,2cyclictest0-21swapper/109:20:131
94349961,1cyclictest0-21swapper/111:14:491
94349960,6cyclictest0-21swapper/111:20:281
94349960,6cyclictest0-21swapper/110:38:511
94349960,6cyclictest0-21swapper/109:55:181
94349960,6cyclictest0-21swapper/109:17:411
94349960,6cyclictest0-21swapper/108:25:501
94349960,6cyclictest0-21swapper/108:17:271
94349960,5cyclictest0-21swapper/112:16:071
94349960,5cyclictest0-21swapper/110:41:001
94349960,5cyclictest0-21swapper/110:27:201
94349960,3cyclictest0-21swapper/110:06:051
94349960,2cyclictest0-21swapper/107:45:121
94349960,1cyclictest0-21swapper/112:35:181
94349960,1cyclictest0-21swapper/109:13:531
94349960,1cyclictest0-21swapper/107:27:091
94309965,1cyclictest9-21ksoftirqd/009:00:100
94309965,1cyclictest9-21ksoftirqd/008:35:150
94309965,1cyclictest14840-21ssh12:15:060
94309965,1cyclictest0-21swapper/007:20:110
94309964,1cyclictest9-21ksoftirqd/007:34:590
94309961,4cyclictest17998-21snmpd12:05:030
94309961,1cyclictest2672-21diskmemload11:40:170
94309960,6cyclictest0-21swapper/007:56:280
94309960,6cyclictest0-21swapper/007:42:480
94309960,0cyclictest0-21swapper/008:27:280
94489954,1cyclictest7809-21ssh11:22:023
94489954,1cyclictest17998-21snmpd07:28:513
94489954,1cyclictest11317-21perf08:20:003
94489953,1cyclictest17998-21snmpd08:57:183
94489952,2cyclictest23546-21apt08:45:113
94489952,1cyclictest13650irq/124-ahci[0009:10:013
94489950,5cyclictest0-21swapper/308:00:163
94489950,2cyclictest240-21systemd-journal08:10:013
94429955,0cyclictest61650irq/122-eno108:40:132
94429955,0cyclictest61650irq/122-eno108:20:192
94429955,0cyclictest61650irq/122-eno107:10:142
94429955,0cyclictest0-21swapper/208:10:082
94349951,2cyclictest0-21swapper/110:15:101
94349951,1cyclictest0-21swapper/110:14:121
94349950,5cyclictest0-21swapper/111:36:311
94349950,5cyclictest0-21swapper/110:30:091
94349950,5cyclictest0-21swapper/108:05:171
94349950,5cyclictest0-21swapper/107:39:331
94349950,3cyclictest0-21swapper/111:45:441
94349950,3cyclictest0-21swapper/111:15:121
94349950,3cyclictest0-21swapper/110:58:161
94349950,3cyclictest0-21swapper/109:36:031
94349950,3cyclictest0-21swapper/109:30:121
94349950,3cyclictest0-21swapper/107:20:161
94349950,2cyclictest0-21swapper/111:55:141
94349950,2cyclictest0-21swapper/111:26:221
94349950,2cyclictest0-21swapper/111:05:121
94349950,2cyclictest0-21swapper/110:50:481
94349950,2cyclictest0-21swapper/109:45:121
94349950,1cyclictest0-21swapper/110:02:421
94349950,1cyclictest0-21swapper/107:50:181
94309950,3cyclictest0-21swapper/007:25:120
94489942,1cyclictest31809-21apt-key07:55:003
94349942,0cyclictest0-21swapper/108:00:001
94349941,1cyclictest0-21swapper/108:10:181
94349940,4cyclictest0-21swapper/108:57:451
94349940,4cyclictest0-21swapper/108:50:191
94349940,3cyclictest0-21swapper/111:40:111
94349940,3cyclictest0-21swapper/109:50:141
94349940,2cyclictest0-21swapper/112:10:011
94349940,2cyclictest0-21swapper/112:00:181
94349940,2cyclictest0-21swapper/110:22:021
94349940,2cyclictest0-21swapper/109:40:481
94349940,2cyclictest0-21swapper/108:00:141
94349940,1cyclictest0-21swapper/110:45:121
94349940,1cyclictest0-21swapper/108:45:151
94349940,0cyclictest0-21swapper/108:42:481
94349940,0cyclictest0-21swapper/108:20:201
94349932,1cyclictest265502sleep107:41:501
94349931,1cyclictest0-21swapper/109:05:121
94349931,1cyclictest0-21swapper/108:35:151
94349931,1cyclictest0-21swapper/108:29:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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