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2025-12-15 - 06:40
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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 highest latencies:
System rack1slot1.osadl.org (updated Mon Dec 15, 2025 00:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
135772215158,45sleep20-21swapper/219:07:182
135772215158,45sleep20-21swapper/219:07:182
136802211157,24sleep10-21swapper/119:08:381
136802211157,24sleep10-21swapper/119:08:381
135382209170,26sleep30-21swapper/319:06:473
135382209170,26sleep30-21swapper/319:06:473
137212206156,24sleep00-21swapper/019:09:090
137212206156,24sleep00-21swapper/019:09:090
1388399190,19cyclictest0-21swapper/020:20:130
297412180,0sleep20-21swapper/219:40:142
1389199177,9cyclictest0-21swapper/119:15:151
271892160,0sleep30-21swapper/319:35:153
1389999130,12cyclictest0-21swapper/223:50:212
1389999130,12cyclictest0-21swapper/220:25:172
13899991211,1cyclictest28-21ksoftirqd/222:10:012
13899991211,1cyclictest28-21ksoftirqd/221:35:012
13899991210,1cyclictest28-21ksoftirqd/200:10:012
13883991210,1cyclictest9-21ksoftirqd/000:15:000
13899991110,1cyclictest28-21ksoftirqd/200:05:012
1389999109,1cyclictest28-21ksoftirqd/221:15:002
1389999108,1cyclictest28-21ksoftirqd/223:25:002
1389999108,1cyclictest28-21ksoftirqd/221:50:132
1389999108,1cyclictest28-21ksoftirqd/219:50:012
1388399109,1cyclictest9-21ksoftirqd/021:05:010
1388399109,1cyclictest9-21ksoftirqd/019:20:000
1388399108,1cyclictest9-21ksoftirqd/020:25:130
1388399103,4cyclictest28919-21latency_hist19:40:010
138999998,1cyclictest28-21ksoftirqd/222:55:012
138999998,1cyclictest28-21ksoftirqd/222:00:152
138999997,1cyclictest28-21ksoftirqd/223:05:162
138999997,1cyclictest28-21ksoftirqd/219:15:012
138999994,3cyclictest28-21ksoftirqd/221:55:192
138999994,3cyclictest28-21ksoftirqd/221:55:192
138919998,1cyclictest21-21ksoftirqd/122:45:181
138919990,7cyclictest56-21kworker/1:123:36:581
138839997,1cyclictest9-21ksoftirqd/021:00:010
138839997,1cyclictest9-21ksoftirqd/019:25:000
138839994,4cyclictest0-21swapper/021:55:130
138839994,4cyclictest0-21swapper/021:55:130
139079986,1cyclictest9465-21apt-get21:15:123
139079986,1cyclictest707-21snmpd23:55:123
139079986,1cyclictest707-21snmpd23:10:053
139079986,1cyclictest707-21snmpd22:22:093
139079986,1cyclictest707-21snmpd22:15:033
139079986,1cyclictest707-21snmpd22:03:033
139079986,1cyclictest707-21snmpd21:31:083
139079986,1cyclictest707-21snmpd21:06:433
139079986,1cyclictest707-21snmpd20:59:493
139079986,1cyclictest707-21snmpd20:09:443
139079986,1cyclictest707-21snmpd19:16:463
139079986,1cyclictest707-21snmpd19:14:523
139079980,5cyclictest22630-21apt-get20:35:183
138999988,0cyclictest28-21ksoftirqd/200:30:132
138999987,1cyclictest28-21ksoftirqd/223:30:142
138999987,1cyclictest28-21ksoftirqd/223:10:182
138999987,1cyclictest28-21ksoftirqd/221:05:012
138999986,2cyclictest28-21ksoftirqd/220:45:152
138999986,1cyclictest28-21ksoftirqd/222:50:012
138999986,1cyclictest28-21ksoftirqd/219:30:002
138999986,1cyclictest15344-21ntpq21:25:182
138999985,2cyclictest28-21ksoftirqd/200:40:012
138999980,8cyclictest0-21swapper/219:24:422
138999980,5cyclictest561-21nscd20:30:172
138999980,3cyclictest0-21swapper/200:20:142
138999980,2cyclictest0-21swapper/223:15:122
138999980,2cyclictest0-21swapper/223:00:132
138919988,0cyclictest21-21ksoftirqd/123:20:571
138919988,0cyclictest21-21ksoftirqd/122:22:231
138919988,0cyclictest21-21ksoftirqd/122:05:251
138919988,0cyclictest21-21ksoftirqd/121:31:591
138919988,0cyclictest21-21ksoftirqd/121:06:551
138919988,0cyclictest21-21ksoftirqd/120:55:121
138919988,0cyclictest0-21swapper/122:25:121
138919987,1cyclictest21-21ksoftirqd/123:45:141
138919987,1cyclictest21-21ksoftirqd/123:40:141
138919987,1cyclictest21-21ksoftirqd/123:00:161
138919987,1cyclictest21-21ksoftirqd/121:10:161
138919987,1cyclictest21-21ksoftirqd/120:00:111
138919987,1cyclictest21-21ksoftirqd/119:20:231
138919987,1cyclictest21-21ksoftirqd/100:30:161
138919987,1cyclictest21-21ksoftirqd/100:05:151
138919987,1cyclictest0-21swapper/122:35:221
138919985,1cyclictest111rcu_preempt21:55:141
138919985,1cyclictest111rcu_preempt21:55:141
138919983,4cyclictest21-21ksoftirqd/122:15:201
138919980,7cyclictest0-21swapper/119:35:161
138919980,3cyclictest111rcu_preempt21:40:191
138919980,0cyclictest0-21swapper/122:55:191
138839987,1cyclictest9-21ksoftirqd/020:05:010
138839986,1cyclictest9-21ksoftirqd/023:30:010
138839986,1cyclictest9-21ksoftirqd/022:40:010
138839986,1cyclictest15347-21sendmail-msp20:20:000
138839985,1cyclictest9-21ksoftirqd/021:10:010
138839983,1cyclictest16547-21/usr/sbin/munin21:30:210
138839980,7cyclictest2762-21perf22:10:010
139079976,1cyclictest35-21ksoftirqd/323:50:013
139079976,1cyclictest24518-21cat21:45:193
139079975,1cyclictest707-21snmpd23:07:563
139079975,1cyclictest707-21snmpd22:45:493
139079975,1cyclictest707-21snmpd21:41:023
139079975,1cyclictest707-21snmpd21:28:443
139079975,1cyclictest707-21snmpd20:15:243
139079975,1cyclictest707-21snmpd19:48:323
139079975,1cyclictest707-21snmpd00:06:523
139079975,1cyclictest35-21ksoftirqd/320:10:133
139079974,2cyclictest707-21snmpd21:14:193
139079972,2cyclictest26036-21/usr/sbin/munin22:55:213
139079971,4cyclictest0-21swapper/323:30:143
138999977,0cyclictest0-21swapper/221:05:172
138999976,1cyclictest28-21ksoftirqd/223:35:142
138999976,1cyclictest28-21ksoftirqd/221:45:212
138999976,1cyclictest28-21ksoftirqd/220:20:192
138999976,1cyclictest28-21ksoftirqd/220:15:012
138999976,1cyclictest28-21ksoftirqd/219:15:162
138999976,1cyclictest23767-21ntpq20:35:232
138999976,1cyclictest16229-21kworker/2:219:30:212
138999975,1cyclictest61650irq/122-eno123:55:152
138999975,1cyclictest61650irq/122-eno122:20:202
138999975,1cyclictest61650irq/122-eno121:40:112
138999975,1cyclictest16229-21kworker/2:220:00:122
138999975,1cyclictest16229-21kworker/2:219:35:142
138919977,0cyclictest211ksoftirqd/120:35:181
138919977,0cyclictest211ksoftirqd/119:40:141
138919977,0cyclictest21-21ksoftirqd/123:29:171
138919977,0cyclictest21-21ksoftirqd/122:30:171
138919977,0cyclictest21-21ksoftirqd/121:40:011
138919977,0cyclictest21-21ksoftirqd/121:23:251
138919977,0cyclictest21-21ksoftirqd/120:45:151
138919977,0cyclictest21-21ksoftirqd/120:16:591
138919977,0cyclictest21-21ksoftirqd/120:10:131
138919977,0cyclictest21-21ksoftirqd/120:08:171
138919977,0cyclictest21-21ksoftirqd/119:51:431
138919977,0cyclictest21-21ksoftirqd/100:36:191
138919977,0cyclictest21-21ksoftirqd/100:27:491
138919977,0cyclictest21-21ksoftirqd/100:02:431
138919976,1cyclictest21-21ksoftirqd/120:40:021
138919976,1cyclictest21-21ksoftirqd/120:25:161
138919976,1cyclictest21-21ksoftirqd/119:10:161
138919976,1cyclictest111rcu_preempt22:45:011
138919975,1cyclictest111rcu_preempt21:50:181
138919970,7cyclictest211ksoftirqd/123:30:201
138919970,7cyclictest0-21swapper/121:15:081
138919970,0cyclictest0-21swapper/121:48:361
138919970,0cyclictest0-21swapper/120:32:461
138839976,1cyclictest707-21snmpd22:17:300
138839975,1cyclictest29122-21/usr/sbin/munin23:05:160
138839975,1cyclictest15207-21chrt23:40:530
138839974,1cyclictest548-21systemd-logind23:57:080
138839974,1cyclictest548-21systemd-logind20:49:080
138839974,0cyclictest0-21swapper/022:45:190
138839973,1cyclictest7520-21/usr/sbin/munin00:35:160
138839970,6cyclictest31247-21ntpq20:50:180
138839970,6cyclictest26807-21sh23:00:130
138839970,6cyclictest16445-21cat19:15:010
138839970,6cyclictest0-21swapper/023:20:130
138839970,6cyclictest0-21swapper/020:31:060
138839970,6cyclictest0-21swapper/019:49:230
138839970,4cyclictest0-21swapper/019:40:120
138839970,1cyclictest26807-21sed20:40:210
138839970,1cyclictest10778-21grep22:25:130
138839970,1cyclictest10625-21ntp_states21:15:180
138839970,1cyclictest0-21swapper/022:50:180
1670260,0sleep30-21swapper/323:15:133
139079965,1cyclictest707-21snmpd23:24:113
139079965,1cyclictest35-21ksoftirqd/320:47:133
139079964,1cyclictest707-21snmpd22:51:433
139079964,1cyclictest707-21snmpd22:42:133
139079964,1cyclictest707-21snmpd22:29:043
139079964,1cyclictest707-21snmpd22:07:003
139079964,1cyclictest707-21snmpd21:39:383
139079964,1cyclictest707-21snmpd21:04:493
139079964,1cyclictest707-21snmpd20:53:583
139079964,1cyclictest707-21snmpd20:34:393
139079964,1cyclictest707-21snmpd19:57:023
139079964,1cyclictest707-21snmpd19:41:013
139079964,1cyclictest707-21snmpd00:27:223
139079964,1cyclictest707-21snmpd00:03:403
139079964,1cyclictest31397-21cat00:15:163
139079963,1cyclictest240-21systemd-journal22:15:003
139079961,3cyclictest6127-21apt-get20:00:113
139079961,1cyclictest17921-21apt-get20:25:133
138999966,0cyclictest61650irq/122-eno122:33:092
138999966,0cyclictest61650irq/122-eno120:05:092
138999966,0cyclictest28-21ksoftirqd/223:45:492
138999966,0cyclictest28-21ksoftirqd/223:25:152
138999966,0cyclictest28-21ksoftirqd/220:15:192
138999965,1cyclictest61650irq/122-eno121:35:362
138999965,1cyclictest61650irq/122-eno120:50:022
138999965,1cyclictest61650irq/122-eno100:15:202
138999965,1cyclictest28-21ksoftirqd/222:55:012
138999965,1cyclictest28-21ksoftirqd/219:55:202
138999965,1cyclictest16229-21kworker/2:200:25:102
138999965,1cyclictest1172-21ntpq20:55:182
138999965,0cyclictest61650irq/122-eno100:10:122
138999964,1cyclictest28-21ksoftirqd/221:15:142
138999964,1cyclictest28-21ksoftirqd/219:50:212
138999964,1cyclictest16229-21kworker/2:221:20:122
138999963,2cyclictest6570-21grep22:15:202
138999963,2cyclictest17364-21tr22:40:142
138999963,2cyclictest15084-21tr22:35:142
138999960,1cyclictest0-21swapper/222:25:102
138919966,0cyclictest21-21ksoftirqd/123:55:151
138919966,0cyclictest21-21ksoftirqd/122:50:151
138919966,0cyclictest21-21ksoftirqd/122:11:251
138919966,0cyclictest21-21ksoftirqd/122:00:151
138919966,0cyclictest21-21ksoftirqd/121:25:211
138919966,0cyclictest21-21ksoftirqd/120:50:531
138919966,0cyclictest21-21ksoftirqd/119:57:431
138919966,0cyclictest21-21ksoftirqd/119:26:291
138919966,0cyclictest21-21ksoftirqd/100:20:011
138919966,0cyclictest111rcu_preempt00:10:141
138919966,0cyclictest0-21swapper/121:00:161
138919965,1cyclictest0-21swapper/123:50:161
138919960,6cyclictest0-21swapper/123:18:351
138919960,6cyclictest0-21swapper/123:10:181
138919960,6cyclictest0-21swapper/100:16:131
138839966,0cyclictest0-21swapper/022:30:210
138839965,1cyclictest9-21ksoftirqd/019:50:140
138839965,1cyclictest707-21snmpd23:51:150
138839965,1cyclictest707-21snmpd21:52:360
138839964,1cyclictest9-21ksoftirqd/021:23:170
138839964,1cyclictest7712-21/usr/sbin/munin22:20:180
138839964,1cyclictest24400-21/usr/sbin/munin22:55:130
138839963,1cyclictest294-21systemd-udevd23:45:080
138839963,1cyclictest294-21systemd-udevd00:05:080
138839963,1cyclictest240-21systemd-journal23:10:020
138839963,1cyclictest240-21systemd-journal21:25:010
138839963,1cyclictest240-21systemd-journal20:05:010
138839963,1cyclictest240-21systemd-journal19:25:020
138839963,1cyclictest240-21systemd-journal00:16:580
138839963,1cyclictest240-21systemd-journal00:00:020
138839961,4cyclictest2875-21telnet00:25:110
138839961,1cyclictest7106-21/usr/sbin/munin21:10:160
138839961,1cyclictest30696-21/usr/sbin/munin22:00:200
138839961,1cyclictest0-21swapper/000:20:130
138839960,6cyclictest0-21swapper/023:30:210
138839960,6cyclictest0-21swapper/022:40:120
138839960,6cyclictest0-21swapper/021:38:230
138839960,5cyclictest11248-21kworker/0:020:10:140
138839960,5cyclictest11040-21/usr/sbin/munin23:35:120
138839960,5cyclictest0-21swapper/000:30:120
138839960,1cyclictest0-21swapper/023:15:120
138839960,0cyclictest23719-21aten_r1power_fr21:45:160
138839960,0cyclictest0-21swapper/022:14:470
139079954,1cyclictest35-21ksoftirqd/323:03:213
139079953,1cyclictest707-21snmpd20:20:033
139079953,1cyclictest28833-21df_inode21:55:143
139079953,1cyclictest28833-21df_inode21:55:143
139079953,1cyclictest26230-21tr21:50:153
139079953,1cyclictest19118-21cut23:50:163
139079951,3cyclictest22049-21apt-get19:25:133
139079951,2cyclictest240-21systemd-journal00:40:013
139079951,2cyclictest11836-21/usr/sbin/munin21:20:193
139079951,2cyclictest0-21swapper/322:35:133
139079950,5cyclictest0-21swapper/319:50:133
139079950,5cyclictest0-21swapper/319:23:553
139079950,3cyclictest0-21swapper/323:25:133
139079950,2cyclictest25198-21/usr/sbin/munin19:30:153
139079950,1cyclictest0-21swapper/323:35:123
138999955,0cyclictest61650irq/122-eno122:10:142
138999954,1cyclictest28-21ksoftirqd/223:40:112
138999950,1cyclictest25197-21apt-get20:40:132
138919955,0cyclictest21-21ksoftirqd/120:23:391
138919955,0cyclictest0-21swapper/119:45:181
138919954,1cyclictest21-21ksoftirqd/123:05:181
138919950,0cyclictest0-21swapper/119:30:121
138839954,1cyclictest9-21ksoftirqd/019:30:130
138839950,5cyclictest0-21swapper/021:40:010
138839950,5cyclictest0-21swapper/019:59:110
138839950,2cyclictest0-21swapper/020:35:180
139079943,1cyclictest28899-21ls00:10:163
139079942,2cyclictest0-21swapper/320:40:133
139079942,1cyclictest5424-21cpuspeed_turbos00:30:143
139079942,1cyclictest427-21apt-get00:20:143
139079942,1cyclictest14275-21basename23:40:153
139079940,3cyclictest0-21swapper/322:30:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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