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2026-05-31 - 07:55
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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 Sun May 31, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28302224156,25sleep30-21swapper/319:06:023
28232210150,23sleep10-21swapper/119:05:561
29132201162,26sleep20-21swapper/219:07:062
30402200162,24sleep00-21swapper/019:08:450
265582730,0sleep10-21swapper/119:55:151
272702660,0sleep20-21swapper/200:00:142
148182660,0sleep00-21swapper/023:44:590
91372540,0sleep10-21swapper/122:52:171
214682140,0sleep20-21swapper/223:10:002
322699130,12cyclictest0-21swapper/120:15:171
3220991311,1cyclictest9-21ksoftirqd/022:40:000
3220991311,1cyclictest9-21ksoftirqd/000:14:590
3220991310,3cyclictest9-21ksoftirqd/019:10:190
3242991211,1cyclictest35-21ksoftirqd/321:35:003
3234991211,1cyclictest28-21ksoftirqd/220:40:002
3220991210,1cyclictest9-21ksoftirqd/022:55:010
3220991210,1cyclictest9-21ksoftirqd/022:10:010
322099121,5cyclictest15868-21latency_hist19:35:000
324299111,9cyclictest32675-21/usr/sbin/munin23:25:183
3234991110,1cyclictest28-21ksoftirqd/222:50:152
323499110,7cyclictest5577-21munin-node21:24:052
322699110,10cyclictest0-21swapper/123:38:421
322099119,1cyclictest9-21ksoftirqd/021:50:120
3220991110,1cyclictest9-21ksoftirqd/022:25:130
323499100,10cyclictest0-21swapper/221:37:192
322099109,1cyclictest9-21ksoftirqd/022:00:170
322099109,1cyclictest9-21ksoftirqd/019:30:000
322099108,1cyclictest13491-21grep22:15:140
3703290,0sleep20-21swapper/222:00:322
32429990,6cyclictest0-21swapper/321:40:123
32349997,1cyclictest28-21ksoftirqd/222:20:002
32349997,1cyclictest28-21ksoftirqd/219:20:012
32349997,1cyclictest28-21ksoftirqd/200:25:142
32349997,1cyclictest28-21ksoftirqd/200:25:142
32349994,4cyclictest557-21irqbalance20:08:172
32349993,5cyclictest30525-21apt-get21:55:092
32349992,6cyclictest1029-21snmpd22:23:302
32349990,6cyclictest5577-21munin-node23:28:232
32209998,1cyclictest9-21ksoftirqd/022:45:000
32209998,1cyclictest9-21ksoftirqd/022:25:000
32209997,1cyclictest9-21ksoftirqd/023:50:140
32209997,1cyclictest9-21ksoftirqd/022:10:130
32209997,1cyclictest9-21ksoftirqd/000:05:130
32429987,1cyclictest35-21ksoftirqd/320:35:003
32429986,1cyclictest1029-21snmpd23:57:033
32429986,1cyclictest1029-21snmpd22:45:143
32429986,1cyclictest1029-21snmpd19:20:323
32429986,1cyclictest1029-21snmpd19:19:413
32429983,1cyclictest7629-21ssh23:35:043
32429980,6cyclictest19931-21apt-get00:35:123
32429980,6cyclictest16104-21/usr/sbin/munin19:35:153
32429980,3cyclictest0-21swapper/321:25:133
32349987,1cyclictest28-21ksoftirqd/221:00:002
32349986,1cyclictest61650irq/122-eno123:50:142
32349986,1cyclictest61650irq/122-eno123:19:212
32349986,1cyclictest61650irq/122-eno121:00:192
32349986,1cyclictest28-21ksoftirqd/222:10:012
32349986,1cyclictest28-21ksoftirqd/220:18:322
32349982,6cyclictest5577-21munin-node22:37:512
32349980,6cyclictest11449-21sed22:55:172
32269981,3cyclictest0-21swapper/120:35:121
32269980,5cyclictest0-21swapper/123:45:021
32269980,4cyclictest0-21swapper/121:50:201
32209987,1cyclictest9-21ksoftirqd/023:05:120
32209987,1cyclictest9-21ksoftirqd/022:50:000
32209987,1cyclictest9-21ksoftirqd/021:25:150
32209987,1cyclictest9-21ksoftirqd/021:20:170
32209986,1cyclictest1029-21snmpd22:34:510
32209986,1cyclictest1029-21snmpd21:06:230
32209986,1cyclictest1029-21snmpd21:06:230
32209986,1cyclictest1029-21snmpd19:23:280
32209984,1cyclictest240-21systemd-journal20:59:540
32209981,6cyclictest12245-21tr21:30:120
32209981,4cyclictest0-21swapper/019:35:110
32209981,1cyclictest0-21swapper/023:25:140
32209980,7cyclictest30522-21ssh21:55:090
32209980,7cyclictest26364-21ssh21:49:310
32209980,7cyclictest17998-21users00:30:210
32209980,4cyclictest30284-21sed20:05:000
32429976,1cyclictest1029-21snmpd22:53:343
32429976,1cyclictest1029-21snmpd21:49:003
32429976,1cyclictest1029-21snmpd00:18:213
32429975,1cyclictest25746-21apt-get19:55:113
32429975,1cyclictest1029-21snmpd21:20:083
32429975,1cyclictest1029-21snmpd20:16:453
32429975,1cyclictest1029-21snmpd20:12:513
32429975,1cyclictest1029-21snmpd20:01:393
32429975,1cyclictest1029-21snmpd19:49:513
32429974,2cyclictest28696-21diskmemload23:31:253
32429971,4cyclictest5539-21apt-get22:05:093
32429971,3cyclictest22566-21ssh22:26:313
32429970,6cyclictest8767-21ssh00:20:033
32429970,4cyclictest0-21swapper/323:00:153
32429970,3cyclictest0-21swapper/322:00:543
32349976,1cyclictest61650irq/122-eno123:12:042
32349976,1cyclictest61650irq/122-eno122:40:182
32349976,1cyclictest61650irq/122-eno121:44:322
32349976,1cyclictest61650irq/122-eno120:55:002
32349976,1cyclictest61650irq/122-eno120:30:002
32349976,1cyclictest61650irq/122-eno100:35:212
32349976,1cyclictest61650irq/122-eno100:30:052
32349976,1cyclictest28-21ksoftirqd/221:30:002
32349976,1cyclictest28-21ksoftirqd/221:15:012
32349976,1cyclictest28-21ksoftirqd/220:15:002
32349976,1cyclictest1029-21snmpd19:38:502
32349975,1cyclictest61650irq/122-eno121:50:162
32349973,2cyclictest240-21systemd-journal23:05:002
32349970,6cyclictest5577-21munin-node00:24:062
32349970,6cyclictest24605-21df_inode22:30:142
32349970,4cyclictest22707-21apt-get23:55:132
32349970,3cyclictest240-21systemd-journal00:15:002
32349970,3cyclictest0-21swapper/219:25:112
32349970,1cyclictest0-21swapper/219:51:092
32269977,0cyclictest0-21swapper/119:40:111
32269970,6cyclictest0-21swapper/122:45:021
32269970,6cyclictest0-21swapper/120:20:151
32269970,6cyclictest0-21swapper/100:26:191
32269970,6cyclictest0-21swapper/100:26:191
32269970,4cyclictest0-21swapper/100:05:371
32269970,2cyclictest0-21swapper/122:39:591
32209977,0cyclictest9-21ksoftirqd/000:15:200
32209977,0cyclictest4005-21telnet23:30:110
32209976,1cyclictest9-21ksoftirqd/023:35:200
32209976,1cyclictest9-21ksoftirqd/023:10:130
32209976,1cyclictest9-21ksoftirqd/020:32:580
32209976,1cyclictest23327-21ssh23:55:160
32209976,1cyclictest1029-21snmpd20:39:370
32209975,1cyclictest9-21ksoftirqd/021:35:140
32209975,1cyclictest27176-21ssh23:15:470
32209975,1cyclictest13339-21hddtemp_smartct00:25:150
32209975,1cyclictest13339-21hddtemp_smartct00:25:140
32209975,1cyclictest1029-21snmpd20:25:220
32209974,2cyclictest693-21runrttasks20:19:130
32209970,7cyclictest0-21swapper/020:50:100
32209970,7cyclictest0-21swapper/020:05:160
32209970,6cyclictest28375-21ssh00:00:510
32209970,6cyclictest23037-21latency_hist19:50:000
32209970,6cyclictest19917-21ssh00:35:090
32209970,6cyclictest15481-21ssh23:00:190
32209970,6cyclictest1336-21memory21:15:190
32209970,6cyclictest10895-21cstates22:55:140
32209970,2cyclictest14580-21apt-get20:40:110
32209970,1cyclictest5649-21df_inode20:20:130
32209970,1cyclictest17185-21cut20:45:130
32209970,1cyclictest15218-21basename23:45:130
32209970,1cyclictest0-21swapper/021:40:140
32209970,1cyclictest0-21swapper/021:11:030
32209970,1cyclictest0-21swapper/000:20:120
26729270,0sleep2271rcuc/221:05:122
26729270,0sleep2271rcuc/221:05:122
32429966,0cyclictest28696-21diskmemload21:12:453
32429965,1cyclictest4119-21ssh00:13:013
32429965,1cyclictest35-21ksoftirqd/319:35:003
32429965,1cyclictest31443-21cat21:55:153
32429965,1cyclictest28780-21ssh21:50:483
32429965,1cyclictest26889-21ssh23:15:213
32429965,1cyclictest18696-21ssh22:21:033
32429965,1cyclictest18185-21ssh00:30:513
32429965,1cyclictest15089-21ssh23:45:063
32429965,1cyclictest1454-21ssh21:15:203
32429965,1cyclictest13391-21sshd19:28:323
32429965,1cyclictest11367-21ssh23:40:073
32429964,1cyclictest1029-21snmpd20:26:283
32429964,1cyclictest1029-21snmpd19:11:223
32429963,0cyclictest28696-21diskmemload00:09:333
32429962,2cyclictest28696-21diskmemload22:41:503
32429962,2cyclictest24907-21hddtemp_smartct22:30:153
32429962,1cyclictest693-21runrttasks23:10:153
32429961,3cyclictest0-21swapper/323:06:193
32429961,2cyclictest0-21swapper/323:20:193
32429960,2cyclictest12209-21apt-get20:35:123
32429960,2cyclictest0-21swapper/322:36:333
32429960,1cyclictest0-21swapper/319:50:133
32429960,1cyclictest0-21swapper/300:29:333
32429960,1cyclictest0-21swapper/300:29:323
32349966,0cyclictest61650irq/122-eno123:46:172
32349966,0cyclictest61650irq/122-eno123:35:232
32349966,0cyclictest61650irq/122-eno123:30:172
32349966,0cyclictest61650irq/122-eno123:20:112
32349966,0cyclictest61650irq/122-eno122:25:122
32349966,0cyclictest61650irq/122-eno122:10:182
32349966,0cyclictest61650irq/122-eno121:45:192
32349966,0cyclictest61650irq/122-eno121:30:012
32349966,0cyclictest61650irq/122-eno121:11:242
32349966,0cyclictest61650irq/122-eno120:49:072
32349966,0cyclictest61650irq/122-eno120:30:192
32349966,0cyclictest61650irq/122-eno120:24:192
32349966,0cyclictest61650irq/122-eno119:43:572
32349966,0cyclictest61650irq/122-eno119:32:252
32349966,0cyclictest28-21ksoftirqd/219:55:132
32349965,1cyclictest61650irq/122-eno119:10:162
32349965,1cyclictest28-21ksoftirqd/219:20:122
32349965,0cyclictest61650irq/122-eno100:05:122
32349964,1cyclictest61650irq/122-eno123:40:162
32349964,1cyclictest61650irq/122-eno119:45:122
32349964,1cyclictest1029-21snmpd00:15:102
32349964,1cyclictest0-21swapper/222:45:122
32349960,6cyclictest0-21swapper/220:43:342
32269961,2cyclictest0-21swapper/122:15:121
32269960,6cyclictest0-21swapper/123:30:141
32269960,6cyclictest0-21swapper/123:28:471
32269960,6cyclictest0-21swapper/122:09:041
32269960,6cyclictest0-21swapper/121:20:161
32269960,6cyclictest0-21swapper/121:17:021
32269960,6cyclictest0-21swapper/120:02:151
32269960,5cyclictest203-21jbd2/sda2-823:15:051
32269960,5cyclictest0-21swapper/123:55:171
32269960,5cyclictest0-21swapper/121:55:141
32269960,5cyclictest0-21swapper/121:03:581
32269960,5cyclictest0-21swapper/100:11:451
32269960,3cyclictest0-21swapper/122:44:021
32269960,3cyclictest0-21swapper/121:42:421
32269960,3cyclictest0-21swapper/100:37:381
32269960,2cyclictest0-21swapper/121:25:121
32269960,2cyclictest0-21swapper/100:25:001
32269960,1cyclictest0-21swapper/122:28:341
32269960,1cyclictest0-21swapper/121:45:121
32269960,1cyclictest0-21swapper/121:12:371
32269960,1cyclictest0-21swapper/120:54:201
32269960,1cyclictest0-21swapper/120:43:101
32269960,1cyclictest0-21swapper/119:20:141
32209965,1cyclictest9-21ksoftirqd/019:55:130
32209965,1cyclictest7158-21fschecks_time19:15:130
32209960,6cyclictest0-21swapper/021:00:470
32209960,6cyclictest0-21swapper/020:11:570
32209960,6cyclictest0-21swapper/019:41:320
32209960,1cyclictest0-21swapper/019:51:120
32209960,0cyclictest0-21swapper/023:20:170
32429954,1cyclictest35-21ksoftirqd/320:59:083
32429954,1cyclictest35-21ksoftirqd/320:50:103
32429954,1cyclictest16168-21ssh21:35:133
32429954,1cyclictest1029-21snmpd22:10:103
32429954,1cyclictest1029-21snmpd20:05:063
32429953,1cyclictest1029-21snmpd22:55:053
32429951,1cyclictest0-21swapper/322:15:113
32429951,1cyclictest0-21swapper/319:40:193
32429950,5cyclictest0-21swapper/320:20:183
32429950,1cyclictest27817-21grep21:05:183
32429950,1cyclictest27817-21grep21:05:183
32429950,1cyclictest0-21swapper/323:50:393
32349954,1cyclictest61650irq/122-eno120:00:172
32269955,0cyclictest0-21swapper/123:22:231
32269955,0cyclictest0-21swapper/123:06:011
32269955,0cyclictest0-21swapper/123:04:511
32269955,0cyclictest0-21swapper/121:30:161
32269951,4cyclictest0-21swapper/120:47:571
32269951,3cyclictest0-21swapper/100:15:211
32269951,1cyclictest0-21swapper/123:50:161
32269950,5cyclictest0-21swapper/122:04:481
32269950,5cyclictest0-21swapper/120:28:101
32269950,5cyclictest0-21swapper/120:11:211
32269950,4cyclictest0-21swapper/123:10:141
32269950,4cyclictest0-21swapper/100:00:091
32269950,3cyclictest0-21swapper/122:58:481
32269950,3cyclictest0-21swapper/119:50:001
32269950,3cyclictest0-21swapper/119:25:111
32269950,3cyclictest0-21swapper/100:31:131
32269950,2cyclictest0-21swapper/120:30:141
32269950,1cyclictest0-21swapper/121:39:271
28677250,0sleep30-21swapper/300:01:453
32429941,1cyclictest24221-21apt-get21:00:123
32429941,1cyclictest0-21swapper/320:40:163
32429940,1cyclictest240-21systemd-journal20:45:013
32269944,0cyclictest0-21swapper/122:31:211
32269944,0cyclictest0-21swapper/121:08:291
32269944,0cyclictest0-21swapper/121:08:291
32269943,1cyclictest53612sleep119:12:501
32269942,1cyclictest230062sleep120:55:181
32269941,1cyclictest0-21swapper/119:40:001
32269940,4cyclictest0-21swapper/122:22:061
32269940,4cyclictest0-21swapper/119:30:201
32269940,3cyclictest0-21swapper/122:10:101
32269940,2cyclictest0-21swapper/123:40:141
32269940,2cyclictest0-21swapper/119:15:161
32269940,1cyclictest32317-21chrt20:06:361
32269930,2cyclictest0-21swapper/119:50:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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