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2026-01-09 - 06:26
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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 Fri Jan 09, 2026 00:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
317942199158,27sleep20-21swapper/219:08:512
315942198160,25sleep00-21swapper/019:06:160
315552198159,26sleep10-21swapper/119:05:441
315502196158,24sleep30-21swapper/319:05:423
69542170,0sleep30-21swapper/323:55:143
31995991713,4cyclictest21-21ksoftirqd/120:45:061
31995991713,0cyclictest21-21ksoftirqd/100:06:341
31995991410,0cyclictest21-21ksoftirqd/122:59:261
3199599140,13cyclictest0-21swapper/121:20:181
3198799143,5cyclictest8326-21perf20:35:000
115022140,0sleep00-21swapper/000:05:120
32004991311,1cyclictest28-21ksoftirqd/221:15:012
3199599139,4cyclictest21-21ksoftirqd/122:48:141
3199599139,4cyclictest21-21ksoftirqd/122:14:371
3199599130,13cyclictest21-21ksoftirqd/120:00:181
3199599130,13cyclictest0-21swapper/123:21:501
31987991312,1cyclictest9-21ksoftirqd/022:20:000
3199599120,10cyclictest0-21swapper/122:03:251
3199599120,0cyclictest0-21swapper/122:25:491
3199599120,0cyclictest0-21swapper/121:52:141
31987991210,1cyclictest9-21ksoftirqd/022:35:000
32004991110,1cyclictest28-21ksoftirqd/219:55:002
32004991110,1cyclictest28-21ksoftirqd/200:20:002
31995991111,0cyclictest0-21swapper/100:01:141
3199599110,8cyclictest0-21swapper/123:35:111
3198799113,4cyclictest20925-21perf22:10:010
3200499109,1cyclictest28-21ksoftirqd/220:45:002
3200499109,1cyclictest28-21ksoftirqd/200:30:002
3200499108,1cyclictest28-21ksoftirqd/221:50:002
3199599108,1cyclictest21-21ksoftirqd/121:55:151
3199599100,10cyclictest0-21swapper/120:56:151
3199599100,10cyclictest0-21swapper/120:33:541
3199599100,0cyclictest0-21swapper/123:33:021
3199599100,0cyclictest0-21swapper/123:10:361
3198799108,1cyclictest9-21ksoftirqd/020:00:000
3198799103,6cyclictest10963-21perf00:05:010
320129990,6cyclictest0-21swapper/321:15:103
320049998,1cyclictest28-21ksoftirqd/222:40:132
320049997,1cyclictest28-21ksoftirqd/222:30:132
320049997,1cyclictest28-21ksoftirqd/219:15:012
319959998,1cyclictest21-21ksoftirqd/123:40:161
319959998,1cyclictest21-21ksoftirqd/122:20:121
319959998,1cyclictest21-21ksoftirqd/122:15:161
319959998,1cyclictest21-21ksoftirqd/121:45:141
319959998,1cyclictest21-21ksoftirqd/121:15:101
319959998,1cyclictest21-21ksoftirqd/120:54:591
319959991,8cyclictest21-21ksoftirqd/122:40:151
319959990,5cyclictest0-21swapper/119:37:521
319959990,3cyclictest111rcu_preempt19:55:121
319959990,0cyclictest0-21swapper/119:49:051
319959990,0cyclictest0-21swapper/119:26:421
319879995,4cyclictest9-21ksoftirqd/021:35:200
319879994,2cyclictest240-21systemd-journal20:40:000
320129987,1cyclictest35-21ksoftirqd/322:21:423
320129987,1cyclictest11273-21sensors19:30:173
320129986,1cyclictest707-21snmpd23:52:183
320129986,1cyclictest707-21snmpd23:44:453
320129986,1cyclictest707-21snmpd23:16:073
320129986,1cyclictest707-21snmpd21:23:293
320129986,1cyclictest707-21snmpd21:03:323
320129986,1cyclictest707-21snmpd20:57:593
320129986,1cyclictest707-21snmpd20:30:103
320129986,1cyclictest707-21snmpd20:15:523
320129986,1cyclictest707-21snmpd20:08:163
320129986,1cyclictest707-21snmpd20:08:163
320129986,1cyclictest707-21snmpd19:58:153
320129986,1cyclictest707-21snmpd19:23:293
320129983,5cyclictest460-21/usr/sbin/munin22:35:133
320129980,1cyclictest0-21swapper/321:35:123
320049987,1cyclictest28-21ksoftirqd/223:40:152
320049986,1cyclictest707-21snmpd00:35:532
320049986,1cyclictest28-21ksoftirqd/222:15:012
320049986,1cyclictest28-21ksoftirqd/220:30:132
320049986,1cyclictest28-21ksoftirqd/220:15:152
320049980,4cyclictest23035-21head21:05:122
319959988,0cyclictest21-21ksoftirqd/121:29:141
319959988,0cyclictest21-21ksoftirqd/121:12:201
319959988,0cyclictest21-21ksoftirqd/120:40:121
319959988,0cyclictest21-21ksoftirqd/120:35:121
319959988,0cyclictest21-21ksoftirqd/120:20:121
319959988,0cyclictest21-21ksoftirqd/120:10:101
319959988,0cyclictest21-21ksoftirqd/120:05:141
319959988,0cyclictest21-21ksoftirqd/120:05:141
319959988,0cyclictest21-21ksoftirqd/119:50:141
319959988,0cyclictest0-21swapper/123:45:191
319959988,0cyclictest0-21swapper/123:05:111
319959988,0cyclictest0-21swapper/100:15:151
319959987,1cyclictest21-21ksoftirqd/123:50:121
319959987,1cyclictest21-21ksoftirqd/123:15:151
319959987,1cyclictest21-21ksoftirqd/122:30:171
319959987,1cyclictest21-21ksoftirqd/121:35:121
319959987,1cyclictest21-21ksoftirqd/100:20:411
319959987,1cyclictest21-21ksoftirqd/100:10:141
319959987,1cyclictest0-21swapper/122:50:111
319959987,0cyclictest111rcu_preempt19:15:151
319959986,1cyclictest111rcu_preempt23:25:131
319959984,4cyclictest0-21swapper/121:41:021
319959981,0cyclictest0-21swapper/121:30:131
319959980,8cyclictest0-21swapper/100:30:171
319879986,1cyclictest9-21ksoftirqd/023:35:000
319879986,1cyclictest9-21ksoftirqd/021:00:000
319879986,1cyclictest9-21ksoftirqd/020:45:000
319879986,1cyclictest707-21snmpd23:01:040
319879986,1cyclictest707-21snmpd23:01:040
319879986,1cyclictest707-21snmpd21:47:210
319879986,1cyclictest707-21snmpd00:38:380
320129976,1cyclictest707-21snmpd23:29:053
320129976,1cyclictest35-21ksoftirqd/319:50:433
320129975,1cyclictest707-21snmpd23:34:413
320129975,1cyclictest707-21snmpd22:48:013
320129975,1cyclictest707-21snmpd00:07:103
320129975,1cyclictest30285-21cat23:35:153
320129973,4cyclictest15375-21awk20:49:593
320129973,2cyclictest240-21systemd-journal23:05:003
320129973,2cyclictest240-21systemd-journal23:05:003
320129970,6cyclictest22854-21users22:10:213
320049976,1cyclictest707-21snmpd19:56:302
320049976,1cyclictest61650irq/122-eno100:07:122
320049976,1cyclictest61650irq/122-eno100:02:002
320049976,1cyclictest28-21ksoftirqd/221:35:152
320049976,1cyclictest28-21ksoftirqd/221:35:002
320049976,1cyclictest28-21ksoftirqd/220:50:002
320049976,1cyclictest28-21ksoftirqd/200:30:142
320049975,1cyclictest707-21snmpd23:46:272
320049975,1cyclictest707-21snmpd23:16:172
320049975,1cyclictest28-21ksoftirqd/223:00:132
320049975,1cyclictest28-21ksoftirqd/223:00:132
320049975,1cyclictest28-21ksoftirqd/222:20:142
320049975,1cyclictest28-21ksoftirqd/219:30:112
320049970,6cyclictest19539-21gltestperf22:05:142
320049970,6cyclictest0-21swapper/223:30:262
320049970,6cyclictest0-21swapper/223:05:052
320049970,5cyclictest29966-21/usr/sbin/munin21:20:162
320049970,2cyclictest0-21swapper/219:45:112
320049970,1cyclictest0-21swapper/223:22:502
319959977,0cyclictest211ksoftirqd/122:05:181
319959977,0cyclictest21-21ksoftirqd/123:55:111
319959977,0cyclictest21-21ksoftirqd/119:30:101
319959977,0cyclictest21-21ksoftirqd/119:14:561
319959977,0cyclictest111rcu_preempt20:15:171
319959977,0cyclictest0-21swapper/119:40:141
319959976,0cyclictest21-21ksoftirqd/123:00:101
319959976,0cyclictest21-21ksoftirqd/123:00:101
319959974,0cyclictest0-21swapper/122:37:021
319959973,3cyclictest0-21swapper/119:20:101
319959970,1cyclictest0-21swapper/100:27:041
319959970,0cyclictest0-21swapper/121:00:111
319879976,1cyclictest9-21ksoftirqd/022:00:100
319879976,1cyclictest9-21ksoftirqd/020:30:000
319879976,1cyclictest707-21snmpd23:40:000
319879976,1cyclictest707-21snmpd22:24:100
319879976,1cyclictest707-21snmpd20:14:150
319879976,1cyclictest31976-21cyclictest19:35:060
319879975,1cyclictest9-21ksoftirqd/023:45:000
319879975,1cyclictest9-21ksoftirqd/022:54:590
319879975,1cyclictest707-21snmpd19:20:380
319879970,6cyclictest47552sleep019:18:060
319879970,6cyclictest3072-21grep20:20:190
319879970,6cyclictest21692-21ntp_states21:00:170
319879970,6cyclictest14620-21mailstats20:45:200
319879970,6cyclictest0-21swapper/022:40:120
319879970,1cyclictest0-21swapper/020:18:570
319879970,1cyclictest0-21swapper/000:10:130
320129966,0cyclictest17263-21sensors00:15:203
320129965,1cyclictest9372-21sshd19:26:433
320129965,1cyclictest707-21snmpd21:28:053
320129965,1cyclictest35-21ksoftirqd/320:37:313
320129965,1cyclictest35-21ksoftirqd/300:10:123
320129965,1cyclictest27438-21perf00:40:003
320129964,1cyclictest707-21snmpd22:40:253
320129964,1cyclictest707-21snmpd22:25:463
320129964,1cyclictest707-21snmpd22:02:593
320129964,1cyclictest707-21snmpd00:25:103
320129964,1cyclictest35-21ksoftirqd/320:52:093
320129964,1cyclictest23304-21ntpq23:20:153
320129962,3cyclictest0-21swapper/323:05:153
320129962,2cyclictest0-21swapper/320:40:113
320129962,1cyclictest24898-21/usr/sbin/munin22:15:203
320129961,3cyclictest32171-21apt-get19:10:103
320049966,0cyclictest61650irq/122-eno123:50:202
320049966,0cyclictest61650irq/122-eno122:50:162
320049966,0cyclictest61650irq/122-eno122:27:232
320049966,0cyclictest61650irq/122-eno121:55:162
320049966,0cyclictest61650irq/122-eno121:00:152
320049966,0cyclictest61650irq/122-eno120:35:112
320049966,0cyclictest61650irq/122-eno120:12:052
320049966,0cyclictest61650irq/122-eno120:09:532
320049966,0cyclictest61650irq/122-eno120:09:522
320049966,0cyclictest61650irq/122-eno120:00:092
320049966,0cyclictest61650irq/122-eno119:10:132
320049966,0cyclictest28-21ksoftirqd/222:35:142
320049965,1cyclictest707-21snmpd21:50:092
320049965,1cyclictest61650irq/122-eno119:35:132
320049965,1cyclictest28-21ksoftirqd/223:55:122
320049965,1cyclictest28-21ksoftirqd/220:50:012
320049965,1cyclictest1948-21kworker/2:120:20:122
320049964,1cyclictest61650irq/122-eno123:10:172
320049964,1cyclictest28-21ksoftirqd/221:40:112
320049964,1cyclictest28-21ksoftirqd/221:15:102
320049964,1cyclictest28-21ksoftirqd/220:25:122
320049964,1cyclictest28-21ksoftirqd/219:25:132
320049964,1cyclictest28-21ksoftirqd/219:20:122
320049964,1cyclictest28-21ksoftirqd/200:20:102
320049961,3cyclictest0-21swapper/219:40:102
320049960,6cyclictest0-21swapper/222:15:452
320049960,6cyclictest0-21swapper/222:01:452
320049960,5cyclictest0-21swapper/223:35:172
320049960,2cyclictest0-21swapper/222:55:102
319959966,0cyclictest21-21ksoftirqd/120:25:181
319959964,1cyclictest0-21swapper/121:05:161
319959960,0cyclictest0-21swapper/100:37:531
319879965,1cyclictest9-21ksoftirqd/023:10:010
319879965,1cyclictest9-21ksoftirqd/021:05:010
319879965,1cyclictest9-21ksoftirqd/020:00:090
319879965,1cyclictest9-21ksoftirqd/019:42:290
319879965,1cyclictest9-21ksoftirqd/000:15:140
319879965,1cyclictest9-21ksoftirqd/000:00:000
319879965,1cyclictest707-21snmpd23:49:360
319879965,1cyclictest707-21snmpd22:14:240
319879965,1cyclictest707-21snmpd21:53:240
319879965,1cyclictest707-21snmpd21:40:150
319879965,1cyclictest707-21snmpd21:27:400
319879964,1cyclictest9-21ksoftirqd/023:20:000
319879964,1cyclictest9-21ksoftirqd/019:35:000
319879964,1cyclictest11204-21needreboot22:55:150
319879960,6cyclictest0-21swapper/023:50:120
319879960,6cyclictest0-21swapper/023:28:380
319879960,6cyclictest0-21swapper/023:20:110
319879960,6cyclictest0-21swapper/023:10:170
319879960,6cyclictest0-21swapper/021:32:200
319879960,6cyclictest0-21swapper/021:10:210
319879960,6cyclictest0-21swapper/019:25:150
319879960,6cyclictest0-21swapper/000:29:000
319879960,6cyclictest0-21swapper/000:24:180
319879960,5cyclictest0-21swapper/022:35:110
319879960,5cyclictest0-21swapper/019:50:180
319879960,2cyclictest0-21swapper/019:45:110
319879960,0cyclictest0-21swapper/022:45:120
319879960,0cyclictest0-21swapper/022:25:130
319879960,0cyclictest0-21swapper/021:19:570
319879960,0cyclictest0-21swapper/019:10:100
319879960,0cyclictest0-21swapper/000:30:110
9619250,0sleep39789-21latency00:00:143
320129954,1cyclictest30309-21ntpq20:10:173
320129954,1cyclictest19918-21ntpq22:05:163
320129954,1cyclictest18612-21sensors23:10:173
320129953,1cyclictest8458-21cat22:50:153
320129953,1cyclictest7256-21grep21:40:113
320129953,1cyclictest707-21snmpd21:10:083
320129953,1cyclictest707-21snmpd20:25:523
320129953,1cyclictest30665-21cut22:30:123
320129953,1cyclictest3053-21cut21:30:143
320129953,1cyclictest16330-21users19:40:193
320129953,1cyclictest158122sleep321:55:403
320129952,2cyclictest12229-21apt-get19:35:103
320129950,3cyclictest2542-21munin-node19:15:013
320049955,0cyclictest61650irq/122-eno123:25:112
320049954,1cyclictest28-21ksoftirqd/200:10:142
320049953,1cyclictest1559-21tail21:25:202
320049950,4cyclictest0-21swapper/220:55:122
320049950,0cyclictest0-21swapper/222:45:112
319879955,0cyclictest0-21swapper/021:20:100
319879954,1cyclictest17175-21awk20:50:190
319879953,1cyclictest27559-21wc20:05:150
319879953,1cyclictest27559-21wc20:05:150
319879950,1cyclictest0-21swapper/021:55:110
320129944,0cyclictest13650irq/124-ahci[0022:55:133
320129943,1cyclictest9693-21expr21:45:133
320129943,1cyclictest23288-21ls21:05:133
320129943,1cyclictest12842-21ntp_offset21:50:183
320129942,1cyclictest241072sleep300:30:183
320129942,1cyclictest17725-21tail19:45:143
320129942,1cyclictest1734-21aten_r1power_cu23:45:103
320129941,2cyclictest0-21swapper/320:20:113
320129940,1cyclictest240-21systemd-journal20:00:003
320129930,1cyclictest0-21swapper/300:20:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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