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2026-09-24 - 04:50
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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 Thu Sep 24, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
199352209149,22sleep30-21swapper/319:09:443
198302204162,27sleep20-21swapper/219:08:232
198332203157,31sleep00-21swapper/019:08:250
199212199161,25sleep10-21swapper/119:09:341
119842690,0sleep10-21swapper/121:53:181
20068992412,12cyclictest0-21swapper/119:20:111
133532160,0sleep30-21swapper/320:00:183
20087991514,0cyclictest35-21ksoftirqd/323:54:033
20087991410,2cyclictest35-21ksoftirqd/321:45:003
2007899140,13cyclictest0-21swapper/221:35:182
20058991311,1cyclictest9-21ksoftirqd/020:10:000
18612130,0sleep10-21swapper/123:57:421
2008799119,1cyclictest35-21ksoftirqd/323:45:183
2008799119,1cyclictest35-21ksoftirqd/321:25:273
20087991110,1cyclictest35-21ksoftirqd/323:00:193
20087991110,1cyclictest35-21ksoftirqd/322:34:173
2007899115,4cyclictest61650irq/122-eno123:43:112
2005899119,1cyclictest9-21ksoftirqd/022:30:210
2005899119,1cyclictest9-21ksoftirqd/000:20:000
20058991110,1cyclictest9-21ksoftirqd/022:50:000
20058991110,1cyclictest9-21ksoftirqd/021:45:000
2008799109,1cyclictest35-21ksoftirqd/300:15:113
2008799109,0cyclictest86431sshd21:48:413
2008799109,0cyclictest35-21ksoftirqd/323:05:183
2008799109,0cyclictest35-21ksoftirqd/300:20:123
2008799109,0cyclictest35-21ksoftirqd/300:00:143
2008799108,1cyclictest35-21ksoftirqd/323:30:123
2008799108,1cyclictest35-21ksoftirqd/322:40:133
2007899108,1cyclictest28-21ksoftirqd/219:15:002
20078991010,0cyclictest28-21ksoftirqd/222:45:132
2007899100,10cyclictest0-21swapper/222:26:322
2007899100,0cyclictest0-21swapper/223:21:562
2005899109,1cyclictest9-21ksoftirqd/023:45:120
2005899109,1cyclictest9-21ksoftirqd/023:25:120
2005899109,1cyclictest9-21ksoftirqd/023:15:140
2005899109,1cyclictest9-21ksoftirqd/021:35:210
2005899109,1cyclictest9-21ksoftirqd/019:10:100
2005899108,1cyclictest9-21ksoftirqd/022:15:150
2005899108,1cyclictest9-21ksoftirqd/021:55:010
2005899108,1cyclictest9-21ksoftirqd/020:00:140
2005899108,1cyclictest9-21ksoftirqd/019:25:420
200879999,0cyclictest35-21ksoftirqd/322:00:193
200879999,0cyclictest35-21ksoftirqd/321:20:153
200879999,0cyclictest35-21ksoftirqd/300:35:243
200879998,1cyclictest35-21ksoftirqd/322:55:223
200879998,1cyclictest35-21ksoftirqd/322:35:143
200879998,1cyclictest35-21ksoftirqd/321:12:543
200879998,1cyclictest35-21ksoftirqd/321:00:113
200879998,1cyclictest35-21ksoftirqd/300:35:003
200879998,1cyclictest35-21ksoftirqd/300:05:223
200879997,1cyclictest35-21ksoftirqd/323:30:013
200879990,6cyclictest7440-21/usr/sbin/munin23:20:183
200789999,0cyclictest0-21swapper/221:29:352
200789998,1cyclictest28-21ksoftirqd/220:20:002
200789998,1cyclictest28-21ksoftirqd/200:15:352
200589999,0cyclictest9-21ksoftirqd/021:45:180
200589999,0cyclictest9-21ksoftirqd/021:15:110
200589998,1cyclictest9-21ksoftirqd/023:40:160
200589998,1cyclictest9-21ksoftirqd/021:20:140
200589998,1cyclictest9-21ksoftirqd/019:15:010
200589998,1cyclictest9-21ksoftirqd/000:30:130
200589998,0cyclictest9-21ksoftirqd/021:25:140
200589997,1cyclictest9-21ksoftirqd/020:45:000
200589997,1cyclictest9-21ksoftirqd/020:20:130
200589997,1cyclictest9-21ksoftirqd/020:15:140
200589996,2cyclictest11301-21snmpd19:40:120
200589990,8cyclictest17858-21/usr/sbin/munin23:35:200
16306290,0sleep00-21swapper/023:30:500
20701280,0sleep30-21swapper/322:51:203
200879988,0cyclictest35-21ksoftirqd/323:44:103
200879988,0cyclictest35-21ksoftirqd/322:20:143
200879988,0cyclictest35-21ksoftirqd/321:56:163
200879988,0cyclictest35-21ksoftirqd/321:35:143
200879988,0cyclictest35-21ksoftirqd/321:30:173
200879987,1cyclictest35-21ksoftirqd/323:10:173
200879987,1cyclictest35-21ksoftirqd/322:25:193
200879987,1cyclictest35-21ksoftirqd/321:15:123
200879987,1cyclictest35-21ksoftirqd/320:30:163
200879987,1cyclictest35-21ksoftirqd/319:50:193
200879987,1cyclictest35-21ksoftirqd/319:45:003
200879987,1cyclictest35-21ksoftirqd/300:10:103
200879987,0cyclictest35-21ksoftirqd/320:45:013
200879986,1cyclictest35-21ksoftirqd/323:15:013
200879986,1cyclictest35-21ksoftirqd/322:05:133
200879980,4cyclictest0-21swapper/323:35:043
200789986,1cyclictest61650irq/122-eno123:55:142
200789986,1cyclictest61650irq/122-eno123:35:212
200789986,1cyclictest61650irq/122-eno121:50:242
200789986,1cyclictest61650irq/122-eno120:45:132
200789986,1cyclictest24128-21cat22:10:212
200789986,1cyclictest11301-21snmpd21:42:102
200789986,1cyclictest11301-21snmpd21:33:072
200789986,1cyclictest11301-21snmpd21:12:242
200789985,0cyclictest12898-21diskmemload22:00:202
200789984,2cyclictest240-21systemd-journal23:15:012
200789982,3cyclictest21766-21apt-get20:20:112
200789981,7cyclictest20932-21ntp_states22:05:182
200689980,4cyclictest0-21swapper/123:45:101
200589988,0cyclictest9-21ksoftirqd/022:25:410
200589987,1cyclictest9-21ksoftirqd/023:20:010
200589987,1cyclictest9-21ksoftirqd/021:10:170
200589987,1cyclictest9-21ksoftirqd/019:55:130
200589987,1cyclictest9-21ksoftirqd/019:50:000
200589987,1cyclictest9-21ksoftirqd/000:25:140
200589987,1cyclictest9-21ksoftirqd/000:25:000
200589987,1cyclictest9-21ksoftirqd/000:00:140
200589987,1cyclictest3191-21ssh23:14:450
200589987,1cyclictest12823-21ssh00:14:250
200589986,1cyclictest9-21ksoftirqd/023:50:200
200589986,1cyclictest9-21ksoftirqd/021:57:210
200589986,1cyclictest9-21ksoftirqd/020:50:000
200589986,1cyclictest11301-21snmpd22:35:390
200589986,1cyclictest11301-21snmpd22:10:560
200589986,1cyclictest11301-21snmpd21:00:510
200589985,2cyclictest32223-21cron23:09:590
200589980,4cyclictest18775-21awk20:10:210
200879977,0cyclictest35-21ksoftirqd/321:05:153
200879977,0cyclictest35-21ksoftirqd/300:25:133
200879976,1cyclictest35-21ksoftirqd/320:55:143
200879975,1cyclictest35-21ksoftirqd/320:25:133
200879975,1cyclictest35-21ksoftirqd/319:35:003
200879975,1cyclictest11255-21ssh21:50:523
200789976,1cyclictest61650irq/122-eno123:25:172
200789976,1cyclictest61650irq/122-eno122:20:172
200789976,1cyclictest61650irq/122-eno121:45:142
200789976,1cyclictest28-21ksoftirqd/200:35:162
200789976,1cyclictest0-21swapper/219:15:122
200789976,0cyclictest61650irq/122-eno122:55:592
200789975,1cyclictest61650irq/122-eno122:40:142
200789975,1cyclictest61650irq/122-eno122:15:162
200789975,1cyclictest61650irq/122-eno121:55:102
200789975,1cyclictest61650irq/122-eno100:30:112
200789975,1cyclictest28-21ksoftirqd/200:15:002
200789975,1cyclictest21804-21ntpq21:20:202
200789975,1cyclictest11301-21snmpd23:31:442
200789975,1cyclictest11301-21snmpd21:16:482
200789975,1cyclictest11301-21snmpd20:37:532
200789975,1cyclictest11301-21snmpd00:01:002
200789971,6cyclictest0-21swapper/223:12:312
200789971,6cyclictest0-21swapper/220:00:552
200789971,6cyclictest0-21swapper/219:59:282
200789971,3cyclictest30380-21apt-get19:30:142
200789970,4cyclictest28302-21runrttasks23:03:302
200789970,3cyclictest0-21swapper/223:07:552
200789970,1cyclictest0-21swapper/219:20:122
200689971,6cyclictest0-21swapper/120:11:161
200689971,1cyclictest0-21swapper/120:21:041
200689970,7cyclictest0-21swapper/121:27:331
200689970,4cyclictest0-21swapper/122:25:411
200689970,4cyclictest0-21swapper/100:10:141
200689970,4cyclictest0-21swapper/100:02:411
200689970,1cyclictest0-21swapper/100:05:041
200589976,1cyclictest9-21ksoftirqd/021:30:190
200589975,1cyclictest9-21ksoftirqd/021:00:000
200589975,1cyclictest8749-21ntp_offset19:50:180
200589975,1cyclictest4859-1kworker/u9:000:05:140
200589975,1cyclictest17470-21ntp_states22:00:200
200589975,1cyclictest11301-21snmpd20:32:170
200589970,6cyclictest2781-21date19:40:000
200589970,6cyclictest13518-21ssh22:40:330
200589970,6cyclictest12898-21diskmemload00:36:210
200589970,6cyclictest0-21swapper/022:05:130
200589970,6cyclictest0-21swapper/020:35:130
200589970,1cyclictest31757-21ssh23:55:030
200589970,1cyclictest10812-21taskset21:05:130
200589970,1cyclictest0-21swapper/023:03:400
200589970,1cyclictest0-21swapper/022:50:170
200589970,1cyclictest0-21swapper/022:20:150
200589970,1cyclictest0-21swapper/019:34:210
200879966,0cyclictest35-21ksoftirqd/322:10:253
200879965,1cyclictest35-21ksoftirqd/320:05:183
200879965,1cyclictest35-21ksoftirqd/319:30:213
200879965,1cyclictest35-21ksoftirqd/319:25:173
200879965,1cyclictest11301-21snmpd19:48:343
200879964,1cyclictest912-21perf20:45:003
200879964,1cyclictest35-21ksoftirqd/322:15:143
200879964,1cyclictest35-21ksoftirqd/319:15:143
200879964,1cyclictest12898-21diskmemload23:57:293
200879964,1cyclictest11301-21snmpd20:20:293
200879964,1cyclictest11301-21snmpd19:21:303
200879964,0cyclictest12898-21diskmemload22:46:013
200879961,2cyclictest20769-21forks19:10:133
200879960,3cyclictest0-21swapper/320:35:103
200789966,0cyclictest61650irq/122-eno123:45:122
200789966,0cyclictest61650irq/122-eno122:50:082
200789966,0cyclictest61650irq/122-eno122:35:142
200789966,0cyclictest61650irq/122-eno122:30:122
200789966,0cyclictest61650irq/122-eno120:50:212
200789966,0cyclictest61650irq/122-eno120:50:212
200789966,0cyclictest61650irq/122-eno120:10:112
200789966,0cyclictest61650irq/122-eno120:05:172
200789966,0cyclictest61650irq/122-eno119:40:142
200789966,0cyclictest61650irq/122-eno119:35:462
200789965,1cyclictest61650irq/122-eno120:33:092
200789965,1cyclictest61650irq/122-eno119:53:442
200789965,1cyclictest61650irq/122-eno119:45:202
200789965,1cyclictest18816-21ssh00:21:112
200789964,1cyclictest61650irq/122-eno120:40:142
200789964,1cyclictest271rcuc/219:25:122
200789964,1cyclictest11301-21snmpd00:25:342
200789960,3cyclictest0-21swapper/221:00:092
200789960,2cyclictest0-21swapper/223:50:162
200789960,2cyclictest0-21swapper/221:05:132
200789960,1cyclictest0-21swapper/200:05:122
200689961,3cyclictest0-21swapper/121:15:161
200689961,2cyclictest0-21swapper/123:40:471
200689960,6cyclictest0-21swapper/122:48:031
200689960,6cyclictest0-21swapper/122:20:531
200689960,6cyclictest0-21swapper/121:57:081
200689960,6cyclictest0-21swapper/121:33:061
200689960,5cyclictest0-21swapper/122:11:351
200689960,5cyclictest0-21swapper/120:15:121
200689960,4cyclictest0-21swapper/122:53:191
200689960,4cyclictest0-21swapper/121:10:141
200689960,3cyclictest0-21swapper/122:39:361
200689960,3cyclictest0-21swapper/122:30:041
200689960,3cyclictest0-21swapper/122:05:261
200689960,3cyclictest0-21swapper/121:43:411
200689960,2cyclictest0-21swapper/122:42:521
200689960,2cyclictest0-21swapper/121:49:551
200689960,2cyclictest0-21swapper/100:39:531
200689960,1cyclictest0-21swapper/123:25:051
200689960,1cyclictest0-21swapper/123:15:151
200689960,1cyclictest0-21swapper/123:13:091
200689960,1cyclictest0-21swapper/121:00:091
200689960,1cyclictest0-21swapper/120:55:511
200689960,1cyclictest0-21swapper/100:30:071
200689960,1cyclictest0-21swapper/100:20:111
200689960,0cyclictest0-21swapper/100:16:291
200589964,1cyclictest9-21ksoftirqd/020:25:140
200589960,0cyclictest0-21swapper/022:55:160
200589960,0cyclictest0-21swapper/020:50:140
200589960,0cyclictest0-21swapper/020:50:140
200589960,0cyclictest0-21swapper/019:21:500
200879955,0cyclictest35-21ksoftirqd/319:55:123
200879954,1cyclictest35-21ksoftirqd/320:50:153
200879954,1cyclictest35-21ksoftirqd/320:50:153
200879954,1cyclictest35-21ksoftirqd/320:15:173
200879954,1cyclictest11301-21snmpd20:14:493
200789951,1cyclictest0-21swapper/220:55:172
200789950,4cyclictest0-21swapper/220:25:212
200689955,0cyclictest0-21swapper/123:50:121
200689955,0cyclictest0-21swapper/123:21:121
200689954,0cyclictest0-21swapper/122:15:131
200689953,1cyclictest0-21swapper/120:50:131
200689953,1cyclictest0-21swapper/120:50:131
200689951,4cyclictest0-21swapper/120:25:541
200689951,1cyclictest0-21swapper/119:55:111
200689951,1cyclictest0-21swapper/100:25:121
200689950,5cyclictest0-21swapper/121:36:031
200689950,5cyclictest0-21swapper/121:20:431
200689950,5cyclictest0-21swapper/119:52:071
200689950,5cyclictest0-21swapper/119:42:211
200689950,4cyclictest0-21swapper/123:07:551
200689950,2cyclictest0-21swapper/122:55:011
200689950,2cyclictest0-21swapper/122:01:031
200689950,1cyclictest0-21swapper/123:36:231
200689950,1cyclictest0-21swapper/123:30:241
200689950,1cyclictest0-21swapper/123:01:091
200689943,1cyclictest7259-21chrt19:48:531
200689943,1cyclictest0-21swapper/119:15:121
200689941,2cyclictest0-21swapper/120:30:141
200689941,1cyclictest0-21swapper/119:30:131
200689940,4cyclictest0-21swapper/120:35:171
200689940,4cyclictest0-21swapper/119:29:581
200689940,4cyclictest0-21swapper/119:14:481
200689940,1cyclictest0-21swapper/120:40:111
200689940,1cyclictest0-21swapper/119:35:011
200689940,0cyclictest0-21swapper/121:08:411
200689940,0cyclictest0-21swapper/120:08:311
200689930,3cyclictest0-21swapper/120:00:211
200689930,0cyclictest0-21swapper/120:45:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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