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2026-03-11 - 17:27
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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 Wed Mar 11, 2026 12:45:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
148912219152,22sleep00-21swapper/007:07:280
148912219152,22sleep00-21swapper/007:07:280
147532211154,44sleep10-21swapper/107:05:401
147532211154,44sleep10-21swapper/107:05:401
149212199159,27sleep30-21swapper/307:07:513
149212199159,27sleep30-21swapper/307:07:503
148762199160,25sleep20-21swapper/207:07:182
148762199160,25sleep20-21swapper/207:07:172
218682620,0sleep10-21swapper/110:47:161
207302580,0sleep10-21swapper/111:27:491
315252550,0sleep20-21swapper/209:36:242
46512470,0sleep20-21swapper/211:06:312
175392190,1sleep217542-21fschecks_time09:20:132
70022160,0sleep00-21swapper/009:05:180
198632150,0sleep30-21swapper/310:45:133
319852130,0sleep10-21swapper/108:50:131
15178991311,1cyclictest9-21ksoftirqd/007:50:000
15178991210,1cyclictest9-21ksoftirqd/009:35:100
322752110,0sleep30-21swapper/311:42:293
1519999119,1cyclictest35-21ksoftirqd/308:15:013
1519199110,0cyclictest0-21swapper/210:37:102
1517899119,1cyclictest9-21ksoftirqd/010:19:590
15178991110,1cyclictest9-21ksoftirqd/010:10:010
1519999109,1cyclictest35-21ksoftirqd/311:25:133
1519999109,1cyclictest35-21ksoftirqd/308:05:013
1519999109,1cyclictest35-21ksoftirqd/308:00:003
1519999109,1cyclictest35-21ksoftirqd/307:20:013
1519199108,1cyclictest28-21ksoftirqd/210:35:002
1519199108,1cyclictest28-21ksoftirqd/209:54:592
1519199100,6cyclictest0-21swapper/211:10:122
1517899109,1cyclictest9-21ksoftirqd/012:10:010
1517899109,1cyclictest9-21ksoftirqd/011:30:130
1517899109,1cyclictest9-21ksoftirqd/007:35:000
1517899109,1cyclictest9-21ksoftirqd/007:30:000
1517899108,1cyclictest9-21ksoftirqd/011:45:130
1517899108,1cyclictest9-21ksoftirqd/010:30:120
1517899105,4cyclictest29668-21ntp_kernel_pll_12:20:170
1517899104,1cyclictest9-21ksoftirqd/007:55:180
15178991010,0cyclictest9-21ksoftirqd/010:35:120
108172100,0sleep20-21swapper/209:12:022
2394290,0sleep30-21swapper/312:26:583
22811290,0sleep00-21swapper/009:25:240
151999999,0cyclictest35-21ksoftirqd/308:40:133
151999998,1cyclictest35-21ksoftirqd/312:15:123
151999998,1cyclictest35-21ksoftirqd/312:10:143
151999998,1cyclictest35-21ksoftirqd/307:40:143
151999997,1cyclictest19210-21munin-run08:25:003
151919997,1cyclictest28-21ksoftirqd/210:52:032
151919990,6cyclictest20848-21python08:25:182
151789998,1cyclictest9-21ksoftirqd/011:55:100
151789998,1cyclictest9-21ksoftirqd/011:40:120
151789998,1cyclictest9-21ksoftirqd/009:30:110
151789998,1cyclictest9-21ksoftirqd/009:20:100
151789998,1cyclictest9-21ksoftirqd/007:24:590
151789997,1cyclictest9-21ksoftirqd/011:25:000
151789997,1cyclictest9-21ksoftirqd/009:00:120
151789996,2cyclictest15169-21cyclictest11:25:190
151789992,4cyclictest17503-21munin-node07:15:010
151789991,4cyclictest11605-21latency_hist12:40:000
20307280,1sleep10-21swapper/112:09:391
15270280,0sleep30-21swapper/309:57:213
151999987,1cyclictest35-21ksoftirqd/311:30:103
151999987,1cyclictest35-21ksoftirqd/311:20:133
151999987,1cyclictest35-21ksoftirqd/310:50:123
151999987,1cyclictest35-21ksoftirqd/310:10:133
151999987,1cyclictest35-21ksoftirqd/307:50:133
151999986,1cyclictest707-21snmpd09:54:543
151999986,1cyclictest707-21snmpd09:25:443
151999986,1cyclictest707-21snmpd08:37:013
151999981,5cyclictest22003-21kworker/u8:212:08:463
151999980,1cyclictest0-21swapper/310:20:103
151919988,0cyclictest0-21swapper/210:17:472
151919987,1cyclictest28-21ksoftirqd/207:15:012
151919986,1cyclictest707-21snmpd10:49:472
151919986,1cyclictest61650irq/122-eno112:05:112
151919986,1cyclictest61650irq/122-eno111:24:092
151919986,1cyclictest61650irq/122-eno110:23:342
151919986,1cyclictest61650irq/122-eno109:43:412
151919986,1cyclictest32135-21perf12:24:592
151919986,1cyclictest28-21ksoftirqd/212:34:592
151919981,7cyclictest24001-21sh09:28:032
151919981,6cyclictest0-21swapper/210:01:122
151919981,5cyclictest25262-21/usr/sbin/munin10:10:142
151919980,6cyclictest10732-21unixbench-2d11:55:202
151789988,0cyclictest9-21ksoftirqd/009:10:110
151789987,1cyclictest9-21ksoftirqd/012:10:140
151789987,1cyclictest9-21ksoftirqd/011:50:200
151789987,1cyclictest9-21ksoftirqd/011:10:180
151789987,1cyclictest9-21ksoftirqd/010:55:160
151789987,1cyclictest9-21ksoftirqd/010:00:120
151789987,1cyclictest9-21ksoftirqd/009:50:100
151789987,1cyclictest9-21ksoftirqd/009:45:110
151789987,1cyclictest9-21ksoftirqd/009:40:130
151789987,1cyclictest9-21ksoftirqd/007:35:120
151789986,1cyclictest9-21ksoftirqd/011:15:200
151789986,1cyclictest9-21ksoftirqd/010:50:120
151789985,1cyclictest5648-21ssh12:30:190
151789982,0cyclictest8219-21diskmemload12:16:550
151789980,7cyclictest2425-21ssh12:27:040
151789980,7cyclictest12598-21ssh09:15:100
151789980,7cyclictest12241-21apt-get09:55:010
151789980,5cyclictest25206-21hddtemp_smartct10:10:150
16020270,1sleep10-21swapper/111:20:411
151999977,0cyclictest35-21ksoftirqd/312:34:163
151999976,1cyclictest707-21snmpd08:46:543
151999976,1cyclictest707-21snmpd08:09:573
151999976,1cyclictest35-21ksoftirqd/312:25:003
151999976,1cyclictest35-21ksoftirqd/311:45:013
151999976,1cyclictest35-21ksoftirqd/309:20:113
151999976,1cyclictest35-21ksoftirqd/307:45:123
151999976,1cyclictest21376-21cat10:05:153
151999976,1cyclictest12773-21pmu-power10:35:193
151999975,1cyclictest707-21snmpd09:40:183
151999975,1cyclictest707-21snmpd09:10:083
151999975,1cyclictest707-21snmpd07:31:163
151999975,1cyclictest707-21snmpd07:29:363
151999975,1cyclictest35-21ksoftirqd/310:15:123
151999975,1cyclictest35-21ksoftirqd/310:00:113
151999975,1cyclictest35-21ksoftirqd/309:15:143
151999975,1cyclictest35-21ksoftirqd/308:30:123
151999975,1cyclictest35-21ksoftirqd/307:20:143
151999975,1cyclictest3213-21sshd08:59:193
151999972,2cyclictest0-21swapper/311:50:143
151999972,2cyclictest0-21swapper/309:35:103
151999970,5cyclictest0-21swapper/310:42:083
151999970,3cyclictest0-21swapper/311:55:483
151999970,1cyclictest0-21swapper/309:45:123
151919976,1cyclictest61650irq/122-eno111:49:152
151919976,1cyclictest61650irq/122-eno111:26:422
151919976,1cyclictest61650irq/122-eno111:15:132
151919976,1cyclictest61650irq/122-eno110:42:232
151919976,1cyclictest61650irq/122-eno109:49:192
151919976,1cyclictest61650irq/122-eno109:30:062
151919976,1cyclictest61650irq/122-eno108:35:142
151919976,1cyclictest18259-21ntpq08:20:182
151919976,0cyclictest61650irq/122-eno112:04:362
151919975,2cyclictest61650irq/122-eno109:17:182
151919975,1cyclictest707-21snmpd09:02:192
151919975,1cyclictest707-21snmpd08:09:172
151919975,1cyclictest13036-21cat08:10:152
151919971,6cyclictest0-21swapper/208:18:272
151919971,5cyclictest3778-21apt-get10:25:112
151919971,3cyclictest0-21swapper/207:55:182
151919971,1cyclictest0-21swapper/211:31:542
151919970,6cyclictest0-21swapper/207:31:252
151839974,2cyclictest0-21swapper/107:40:001
151839971,6cyclictest0-21swapper/109:42:181
151839970,3cyclictest0-21swapper/111:45:111
151839970,3cyclictest0-21swapper/111:35:101
151839970,1cyclictest0-21swapper/110:17:251
151789976,1cyclictest9-21ksoftirqd/010:25:100
151789976,1cyclictest9-21ksoftirqd/008:15:000
151789975,1cyclictest9-21ksoftirqd/008:25:120
151789975,1cyclictest9-21ksoftirqd/008:10:000
151789975,1cyclictest9-21ksoftirqd/007:50:140
151789975,1cyclictest707-21snmpd08:41:340
151789973,4cyclictest9-21ksoftirqd/007:15:010
151789973,3cyclictest9-21ksoftirqd/010:40:160
151789971,4cyclictest16643-21apt-get08:20:020
151789970,6cyclictest21255-21ssh10:45:370
151789970,6cyclictest14917-21ssh12:00:440
151789970,6cyclictest0-21swapper/008:30:100
151789970,6cyclictest0-21swapper/008:15:170
151789970,6cyclictest0-21swapper/007:40:130
151789970,1cyclictest5770-21ssh11:09:260
151999966,0cyclictest35-21ksoftirqd/308:30:003
151999965,1cyclictest8532-21ssh11:11:313
151999965,1cyclictest707-21snmpd12:04:493
151999965,1cyclictest35-21ksoftirqd/312:35:133
151999965,1cyclictest35-21ksoftirqd/311:15:153
151999965,1cyclictest35-21ksoftirqd/310:25:113
151999965,1cyclictest35-21ksoftirqd/308:55:003
151999965,1cyclictest35-21ksoftirqd/308:15:133
151999965,1cyclictest28021-21ssh11:36:313
151999965,1cyclictest1145-21ssh11:02:303
151999965,1cyclictest10711-21ssh10:33:393
151999964,1cyclictest35-21ksoftirqd/307:35:143
151999962,2cyclictest29932-21rm10:58:103
151999960,0cyclictest0-21swapper/309:30:073
151919966,0cyclictest61650irq/122-eno112:25:312
151919966,0cyclictest61650irq/122-eno112:15:022
151919966,0cyclictest61650irq/122-eno110:07:452
151919966,0cyclictest61650irq/122-eno109:56:452
151919966,0cyclictest61650irq/122-eno109:07:302
151919966,0cyclictest61650irq/122-eno108:42:262
151919966,0cyclictest61650irq/122-eno108:31:182
151919966,0cyclictest61650irq/122-eno108:00:122
151919966,0cyclictest61650irq/122-eno107:50:232
151919966,0cyclictest61650irq/122-eno107:47:392
151919966,0cyclictest61650irq/122-eno107:25:152
151919965,1cyclictest61650irq/122-eno112:10:112
151919965,1cyclictest61650irq/122-eno111:50:122
151919964,1cyclictest707-21snmpd10:55:162
151919964,1cyclictest707-21snmpd07:41:132
151919964,1cyclictest61650irq/122-eno111:00:132
151919964,1cyclictest30193-21df_inode11:40:142
151919964,1cyclictest2328-21ntpq08:55:162
151919963,1cyclictest8098-21aten2.4-expect12:35:122
151919962,3cyclictest19221-21smartctl07:15:152
151919960,6cyclictest0-21swapper/211:35:182
151839962,1cyclictest0-21swapper/109:05:011
151839961,3cyclictest0-21swapper/112:20:101
151839961,3cyclictest0-21swapper/108:20:011
151839961,1cyclictest0-21swapper/110:10:091
151839960,6cyclictest0-21swapper/111:55:181
151839960,6cyclictest0-21swapper/111:34:001
151839960,6cyclictest0-21swapper/108:41:151
151839960,6cyclictest0-21swapper/108:27:481
151839960,6cyclictest0-21swapper/108:06:541
151839960,6cyclictest0-21swapper/107:20:041
151839960,5cyclictest0-21swapper/112:00:391
151839960,5cyclictest0-21swapper/111:50:011
151839960,5cyclictest0-21swapper/110:55:021
151839960,5cyclictest0-21swapper/110:50:131
151839960,5cyclictest0-21swapper/110:20:251
151839960,5cyclictest0-21swapper/108:36:371
151839960,4cyclictest0-21swapper/112:26:101
151839960,4cyclictest0-21swapper/108:30:111
151839960,2cyclictest0-21swapper/112:15:131
151839960,2cyclictest0-21swapper/111:10:121
151839960,1cyclictest0-21swapper/112:39:391
151839960,1cyclictest0-21swapper/111:40:121
151839960,1cyclictest0-21swapper/111:01:451
151839960,1cyclictest0-21swapper/110:34:551
151839960,1cyclictest0-21swapper/109:35:101
151839960,1cyclictest0-21swapper/109:15:561
151839960,1cyclictest0-21swapper/107:52:161
151839960,0cyclictest0-21swapper/109:29:561
151789965,1cyclictest2439-21ssh10:22:190
151789964,1cyclictest9-21ksoftirqd/008:50:110
151789964,1cyclictest9-21ksoftirqd/008:45:130
151789964,1cyclictest9-21ksoftirqd/008:00:120
151789960,5cyclictest0-21swapper/008:55:180
151789960,1cyclictest30952-21apt-get11:00:090
151789960,0cyclictest0-21swapper/011:35:010
151999955,0cyclictest0-21swapper/311:06:153
151999954,1cyclictest4905-21ntpq09:00:183
151999954,1cyclictest35-21ksoftirqd/309:05:143
151999954,1cyclictest35-21ksoftirqd/307:10:153
151919955,0cyclictest61650irq/122-eno108:45:132
151919955,0cyclictest61650irq/122-eno107:35:112
151919955,0cyclictest61650irq/122-eno107:20:122
151919950,4cyclictest32311-21grep08:50:152
151839955,0cyclictest53842sleep111:08:281
151839952,3cyclictest0-21swapper/112:33:461
151839950,5cyclictest0-21swapper/110:44:051
151839950,5cyclictest0-21swapper/110:02:291
151839950,5cyclictest0-21swapper/108:00:091
151839950,4cyclictest0-21swapper/108:45:121
151839950,4cyclictest0-21swapper/107:15:001
151839950,3cyclictest0-21swapper/110:35:071
151839950,3cyclictest0-21swapper/110:07:551
151839950,3cyclictest0-21swapper/109:50:111
151839950,2cyclictest0-21swapper/112:10:191
151839950,2cyclictest0-21swapper/109:58:401
151839950,2cyclictest0-21swapper/109:45:501
151839950,2cyclictest0-21swapper/109:20:091
151839950,2cyclictest0-21swapper/109:10:101
151839950,1cyclictest0-21swapper/111:15:201
151839950,1cyclictest0-21swapper/109:32:311
151839950,1cyclictest0-21swapper/109:05:141
151839950,1cyclictest0-21swapper/107:55:171
151839950,0cyclictest0-21swapper/110:24:591
151839950,0cyclictest0-21swapper/108:10:111
151839950,0cyclictest0-21swapper/107:45:091
151789950,2cyclictest240-21systemd-journal08:34:590
151839941,1cyclictest0-21swapper/107:20:011
151839940,2cyclictest0-21swapper/107:40:181
151839940,1cyclictest0-21swapper/107:29:011
151839940,0cyclictest0-21swapper/107:30:131
151839931,1cyclictest0-21swapper/108:20:121
151839930,2cyclictest0-21swapper/108:55:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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