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2026-01-03 - 05:40
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Sat Jan 03, 2026 00:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319722224151,25sleep30-21swapper/319:06:013
321402214150,21sleep00-21swapper/019:08:130
322292198158,26sleep20-21swapper/219:09:222
320022198159,26sleep10-21swapper/119:06:241
205932710,0sleep10-21swapper/123:15:141
32371992120,1cyclictest28-21ksoftirqd/222:40:142
204212180,0sleep30-21swapper/319:50:153
271712160,0sleep10-21swapper/121:10:201
32371991414,0cyclictest28-21ksoftirqd/221:50:132
32371991413,1cyclictest28-21ksoftirqd/223:55:142
32371991413,1cyclictest28-21ksoftirqd/222:45:132
32371991412,1cyclictest28-21ksoftirqd/223:20:202
32371991412,1cyclictest28-21ksoftirqd/200:30:242
3237199140,13cyclictest0-21swapper/223:15:182
32352991411,1cyclictest9-21ksoftirqd/020:50:000
32371991312,1cyclictest28-21ksoftirqd/223:45:002
32371991311,1cyclictest28-21ksoftirqd/219:45:002
32371991311,1cyclictest28-21ksoftirqd/200:00:142
32371991212,0cyclictest28-21ksoftirqd/223:05:142
32371991211,1cyclictest28-21ksoftirqd/220:45:192
32371991211,1cyclictest28-21ksoftirqd/220:30:132
32371991211,1cyclictest28-21ksoftirqd/219:50:152
32371991211,1cyclictest28-21ksoftirqd/219:25:102
32371991210,1cyclictest28-21ksoftirqd/223:50:002
32371991210,1cyclictest28-21ksoftirqd/221:45:012
32371991210,1cyclictest28-21ksoftirqd/219:50:002
3237199119,1cyclictest28-21ksoftirqd/222:00:002
3237199119,1cyclictest28-21ksoftirqd/222:00:002
3237199119,1cyclictest28-21ksoftirqd/200:14:592
3237199119,1cyclictest28-21ksoftirqd/200:05:012
3237199112,1cyclictest28-21ksoftirqd/219:35:192
32371991111,0cyclictest28-21ksoftirqd/222:10:082
32371991110,1cyclictest28-21ksoftirqd/223:10:112
32371991110,1cyclictest28-21ksoftirqd/222:25:182
32371991110,1cyclictest28-21ksoftirqd/220:00:212
32371991110,1cyclictest28-21ksoftirqd/219:15:132
3237899108,1cyclictest35-21ksoftirqd/319:25:003
3237199109,1cyclictest28-21ksoftirqd/222:35:002
3237199108,1cyclictest28-21ksoftirqd/222:55:162
3237199108,1cyclictest28-21ksoftirqd/222:10:002
3237199108,1cyclictest28-21ksoftirqd/222:05:002
3237199108,1cyclictest28-21ksoftirqd/221:40:012
3237199108,1cyclictest28-21ksoftirqd/221:35:012
3237199108,1cyclictest28-21ksoftirqd/221:19:592
3237199108,1cyclictest28-21ksoftirqd/221:10:002
3237199108,1cyclictest28-21ksoftirqd/220:55:002
3237199108,1cyclictest28-21ksoftirqd/220:25:152
3237199108,1cyclictest28-21ksoftirqd/220:10:142
3237199108,1cyclictest28-21ksoftirqd/200:40:002
3237199108,1cyclictest28-21ksoftirqd/200:25:002
3237199108,1cyclictest28-21ksoftirqd/200:19:592
3235299109,1cyclictest9-21ksoftirqd/023:25:000
3235299108,1cyclictest9-21ksoftirqd/020:45:000
323719999,0cyclictest28-21ksoftirqd/220:55:112
323719998,1cyclictest28-21ksoftirqd/221:50:012
323719998,1cyclictest28-21ksoftirqd/220:40:002
323719998,1cyclictest28-21ksoftirqd/220:25:012
323719998,1cyclictest28-21ksoftirqd/219:15:002
323719998,1cyclictest28-21ksoftirqd/200:30:002
323719997,1cyclictest28-21ksoftirqd/223:00:012
323719997,1cyclictest28-21ksoftirqd/220:20:002
323719997,1cyclictest28-21ksoftirqd/219:35:002
323529998,1cyclictest9-21ksoftirqd/019:35:000
323529992,4cyclictest8521-21perf20:35:000
27991297,0sleep09-21ksoftirqd/021:15:120
323789987,1cyclictest21772-21apt-get22:10:093
323789986,1cyclictest707-21snmpd23:56:063
323789986,1cyclictest707-21snmpd22:39:163
323789986,1cyclictest707-21snmpd21:47:093
323789986,1cyclictest707-21snmpd21:07:543
323789983,3cyclictest17225-21grep23:05:203
323789980,5cyclictest24633-21/usr/sbin/munin20:00:153
323719987,1cyclictest28-21ksoftirqd/223:30:002
323719987,1cyclictest28-21ksoftirqd/222:50:132
323719987,1cyclictest28-21ksoftirqd/221:10:112
323719987,1cyclictest28-21ksoftirqd/220:40:122
323719987,1cyclictest28-21ksoftirqd/219:24:592
323719986,1cyclictest707-21snmpd20:05:112
323719986,1cyclictest28-21ksoftirqd/223:40:002
323719986,1cyclictest28-21ksoftirqd/223:30:112
323719986,1cyclictest28-21ksoftirqd/221:30:002
323719986,1cyclictest28-21ksoftirqd/221:20:162
323719986,1cyclictest28-21ksoftirqd/221:05:002
323719982,5cyclictest28-21ksoftirqd/222:15:112
323649988,0cyclictest21-21ksoftirqd/119:54:541
323529987,1cyclictest9-21ksoftirqd/020:51:280
323529986,1cyclictest707-21snmpd22:44:440
323529986,1cyclictest707-21snmpd22:32:490
323529986,1cyclictest707-21snmpd20:36:100
323529986,1cyclictest707-21snmpd20:21:530
323529986,1cyclictest707-21snmpd19:29:300
323529983,4cyclictest0-21swapper/022:20:140
323529982,5cyclictest5384-21perf19:19:590
323529981,6cyclictest2303-21munin-node23:18:050
323529981,1cyclictest12704-21latency_hist23:00:010
323529980,7cyclictest5922-21aten_r1power_en22:45:120
323529980,7cyclictest14709-21cat23:00:200
323529980,4cyclictest9513-21apt-get21:45:010
323529980,4cyclictest23947-21perf22:14:590
323529980,1cyclictest30479-21ntpq20:10:190
323529980,1cyclictest0-21swapper/021:30:140
323789976,1cyclictest707-21snmpd20:39:163
323789976,1cyclictest707-21snmpd20:27:523
323789976,1cyclictest35-21ksoftirqd/323:50:003
323789976,1cyclictest35-21ksoftirqd/323:04:423
323789976,1cyclictest35-21ksoftirqd/320:55:233
323789976,1cyclictest28885-21cat21:15:163
323789976,1cyclictest25290-21ntpq22:15:173
323789975,1cyclictest707-21snmpd23:33:313
323789975,1cyclictest707-21snmpd23:24:093
323789975,1cyclictest707-21snmpd22:32:313
323789975,1cyclictest707-21snmpd21:43:183
323789975,1cyclictest707-21snmpd21:39:453
323789975,1cyclictest707-21snmpd20:52:173
323789975,1cyclictest707-21snmpd20:10:133
323789975,1cyclictest707-21snmpd20:06:433
323789975,1cyclictest707-21snmpd00:15:053
323789975,1cyclictest35-21ksoftirqd/323:55:013
323789975,1cyclictest35-21ksoftirqd/323:55:003
323789973,2cyclictest585-21rs:main3
323789971,1cyclictest0-21swapper/323:40:103
323719976,1cyclictest28-21ksoftirqd/223:50:112
323719976,1cyclictest28-21ksoftirqd/223:50:112
323719976,1cyclictest28-21ksoftirqd/222:35:122
323719975,1cyclictest28-21ksoftirqd/222:20:152
323719970,1cyclictest0-21swapper/219:56:072
323649977,0cyclictest21-21ksoftirqd/121:43:281
323649976,1cyclictest2095-21taskset19:12:571
323649972,2cyclictest0-21swapper/120:35:131
323649970,6cyclictest0-21swapper/100:10:181
323649970,4cyclictest0-21swapper/100:00:211
323649970,3cyclictest0-21swapper/122:10:101
323649970,1cyclictest0-21swapper/120:47:141
323649970,1cyclictest0-21swapper/119:27:461
323649970,1cyclictest0-21swapper/100:23:501
323529977,0cyclictest10653-21sensors00:00:190
323529975,1cyclictest707-21snmpd22:26:190
323529975,1cyclictest707-21snmpd21:29:160
323529975,1cyclictest707-21snmpd21:11:290
323529975,1cyclictest707-21snmpd21:03:230
323529975,1cyclictest707-21snmpd00:22:070
323529975,1cyclictest32592-21cat20:15:190
323529975,1cyclictest27499-21diskstats20:05:150
323529975,1cyclictest25278-21ntpq22:15:160
323529972,1cyclictest23281-21/usr/sbin/munin21:05:210
323529971,5cyclictest0-21swapper/000:31:280
323529970,6cyclictest9014-21perf00:00:000
323529970,6cyclictest0-21swapper/022:05:140
323529970,4cyclictest24445-21cat20:00:000
323529970,2cyclictest67562sleep021:35:220
323529970,1cyclictest25944-21/usr/sbin/munin00:35:110
323529970,1cyclictest0-21swapper/020:55:180
323789965,1cyclictest707-21snmpd23:10:023
323789965,1cyclictest707-21snmpd19:57:313
323789965,1cyclictest35-21ksoftirqd/321:30:003
323789965,1cyclictest35-21ksoftirqd/320:45:003
323789965,1cyclictest13721-21cat19:35:173
323789965,1cyclictest11426-21ntpq19:30:183
323789964,1cyclictest707-21snmpd22:03:023
323789964,1cyclictest707-21snmpd00:04:123
323789964,1cyclictest20895-21sshd00:23:433
323789963,2cyclictest22404-21ntp_states00:25:163
323789963,1cyclictest240-21systemd-journal19:10:003
323789960,4cyclictest240-21systemd-journal00:39:553
323789960,4cyclictest0-21swapper/322:45:143
323649965,1cyclictest0-21swapper/123:51:371
323649965,1cyclictest0-21swapper/123:51:361
323649965,1cyclictest0-21swapper/119:40:041
323649960,6cyclictest0-21swapper/123:32:341
323649960,6cyclictest0-21swapper/122:45:071
323649960,6cyclictest0-21swapper/122:42:071
323649960,6cyclictest0-21swapper/122:25:071
323649960,6cyclictest0-21swapper/122:04:221
323649960,6cyclictest0-21swapper/121:34:391
323649960,6cyclictest0-21swapper/121:26:031
323649960,6cyclictest0-21swapper/121:19:261
323649960,6cyclictest0-21swapper/121:04:231
323649960,6cyclictest0-21swapper/120:52:471
323649960,6cyclictest0-21swapper/120:08:221
323649960,6cyclictest0-21swapper/119:45:271
323649960,6cyclictest0-21swapper/100:25:041
323649960,6cyclictest0-21swapper/100:05:161
323649960,5cyclictest0-21swapper/123:45:161
323649960,5cyclictest0-21swapper/123:27:511
323649960,5cyclictest0-21swapper/123:22:321
323649960,5cyclictest0-21swapper/120:57:481
323649960,5cyclictest0-21swapper/120:00:161
323529965,1cyclictest9106-21cat22:50:150
323529965,1cyclictest707-21snmpd19:12:020
323529965,1cyclictest4018-21sshd23:46:430
323529965,1cyclictest19019-21ntpq23:10:160
323529965,1cyclictest15526-21cat21:55:140
323529965,1cyclictest15526-21cat21:55:140
323529965,1cyclictest13994-21ntp_states19:35:180
323529964,1cyclictest707-21snmpd21:23:590
323529964,1cyclictest707-21snmpd19:45:240
323529963,1cyclictest240-21systemd-journal21:50:010
323529962,2cyclictest240-21systemd-journal23:55:000
323529962,2cyclictest240-21systemd-journal23:55:000
323529961,4cyclictest0-21swapper/023:35:130
323529960,6cyclictest0-21swapper/023:05:140
323529960,6cyclictest0-21swapper/021:50:140
323529960,6cyclictest0-21swapper/019:51:540
323529960,6cyclictest0-21swapper/019:40:120
323529960,4cyclictest707-21snmpd00:15:520
323529960,4cyclictest0-21swapper/022:35:120
323529960,2cyclictest0-21swapper/023:30:210
323529960,2cyclictest0-21swapper/020:25:130
323529960,1cyclictest0-21swapper/023:40:100
323529960,0cyclictest0-21swapper/000:25:100
323529960,0cyclictest0-21swapper/000:06:200
323789955,0cyclictest9366-21kworker/3:122:56:183
323789955,0cyclictest0-21swapper/323:26:463
323789955,0cyclictest0-21swapper/322:25:173
323789954,1cyclictest707-21snmpd21:57:543
323789954,1cyclictest707-21snmpd21:57:543
323789954,1cyclictest707-21snmpd21:52:243
323789954,1cyclictest707-21snmpd20:47:323
323789954,1cyclictest35-21ksoftirqd/320:33:533
323789954,1cyclictest35-21ksoftirqd/300:13:043
323789954,1cyclictest28351-21sshd22:21:423
323789954,1cyclictest16602-21sensors19:40:203
323789952,2cyclictest0-21swapper/321:30:113
323789952,1cyclictest240-21systemd-journal23:15:003
323789952,1cyclictest240-21systemd-journal21:24:593
323789952,1cyclictest11793-21apt-get00:05:023
323789951,1cyclictest5303-21cron19:19:593
323789950,3cyclictest8229-21apt-get22:50:103
323789950,3cyclictest25716-21munin-run00:35:003
323789950,1cyclictest2569-21/usr/sbin/munin20:20:173
323649953,1cyclictest235282sleep119:55:191
323649951,4cyclictest0-21swapper/122:56:181
323649951,1cyclictest0-21swapper/120:15:181
323649950,5cyclictest0-21swapper/123:41:051
323649950,5cyclictest0-21swapper/121:51:271
323649950,5cyclictest0-21swapper/121:35:381
323649950,5cyclictest0-21swapper/120:31:421
323649950,5cyclictest0-21swapper/120:29:161
323649950,5cyclictest0-21swapper/120:24:221
323649950,0cyclictest0-21swapper/122:37:451
323649950,0cyclictest0-21swapper/100:32:571
323529955,0cyclictest0-21swapper/020:00:210
323529950,5cyclictest0-21swapper/023:25:160
323529950,2cyclictest0-21swapper/022:00:200
323529950,1cyclictest0-21swapper/000:10:130
323789943,1cyclictest20654-21processes22:05:203
323789943,1cyclictest18083-21forks19:45:163
323789943,1cyclictest1412-21idleruntime-cro20:19:593
323789942,1cyclictest3767-21cpuspeed_turbos22:40:133
323789941,2cyclictest20931-21apt-get21:00:133
323789940,3cyclictest25641-21apt-get21:10:113
323789940,0cyclictest0-21swapper/323:38:143
323649944,0cyclictest0-21swapper/123:07:001
323649943,1cyclictest311192sleep120:10:481
323649942,2cyclictest0-21swapper/120:40:121
323649940,3cyclictest0-21swapper/122:35:001
323649940,2cyclictest0-21swapper/122:20:001
323649940,2cyclictest0-21swapper/121:20:111
323649940,2cyclictest0-21swapper/119:30:141
323649940,2cyclictest0-21swapper/119:15:011
323649940,1cyclictest0-21swapper/123:35:131
323649940,1cyclictest0-21swapper/123:10:151
323649940,1cyclictest0-21swapper/122:55:001
323649940,1cyclictest0-21swapper/121:49:191
323649940,1cyclictest0-21swapper/119:20:151
323649940,1cyclictest0-21swapper/100:35:141
323649940,1cyclictest0-21swapper/100:15:211
323649940,0cyclictest0-21swapper/123:00:191
323649940,0cyclictest0-21swapper/122:20:211
323649940,0cyclictest0-21swapper/122:05:211
323529940,0cyclictest0-21swapper/019:20:140
323649931,1cyclictest0-21swapper/123:55:101
323649931,1cyclictest0-21swapper/121:55:101
323649931,1cyclictest0-21swapper/121:55:101
323649931,1cyclictest0-21swapper/121:05:191
323649930,2cyclictest0-21swapper/119:35:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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