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2026-08-27 - 01:28
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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 Aug 27, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
42562204159,31sleep00-21swapper/019:09:130
40232201161,26sleep30-21swapper/319:06:113
39752200162,25sleep20-21swapper/219:05:332
39742197158,26sleep10-21swapper/119:05:331
5222190,1sleep0515-21processes20:05:200
285462170,0sleep10-21swapper/123:25:141
442899140,13cyclictest0-21swapper/122:45:091
4420991311,1cyclictest9-21ksoftirqd/020:35:000
54292120,0sleep10-21swapper/121:20:131
4441991210,1cyclictest28-21ksoftirqd/222:00:002
442899120,12cyclictest0-21swapper/123:40:111
442099124,4cyclictest23567-21perf00:05:010
444999119,1cyclictest35-21ksoftirqd/321:15:013
444999119,1cyclictest35-21ksoftirqd/321:15:003
4449991110,1cyclictest35-21ksoftirqd/323:00:003
444199119,1cyclictest28-21ksoftirqd/220:25:012
4441991110,1cyclictest28-21ksoftirqd/223:02:262
4441991110,1cyclictest28-21ksoftirqd/220:20:012
442099119,1cyclictest9-21ksoftirqd/023:55:190
4420991110,1cyclictest9-21ksoftirqd/023:45:200
442099111,5cyclictest29591-21latency_hist21:55:010
444999109,1cyclictest35-21ksoftirqd/323:50:163
444999109,1cyclictest35-21ksoftirqd/322:25:003
444999109,1cyclictest35-21ksoftirqd/320:15:013
444999109,0cyclictest35-21ksoftirqd/320:25:143
4449991010,0cyclictest35-21ksoftirqd/300:32:143
444199109,1cyclictest28-21ksoftirqd/221:45:012
444199109,1cyclictest28-21ksoftirqd/220:50:002
444199108,1cyclictest28-21ksoftirqd/219:40:002
442099109,1cyclictest9-21ksoftirqd/022:30:000
442099109,1cyclictest9-21ksoftirqd/000:35:100
275622100,2sleep30-21swapper/322:36:353
44499999,0cyclictest35-21ksoftirqd/300:10:013
44499998,1cyclictest35-21ksoftirqd/323:35:003
44499998,1cyclictest35-21ksoftirqd/300:15:183
44499997,1cyclictest35-21ksoftirqd/320:59:593
44419998,1cyclictest28-21ksoftirqd/223:54:592
44419998,1cyclictest0-21swapper/223:45:212
44419997,1cyclictest28-21ksoftirqd/223:25:122
44419997,1cyclictest28-21ksoftirqd/220:35:002
44419997,1cyclictest28-21ksoftirqd/200:07:082
44289990,5cyclictest0-21swapper/122:55:121
44209999,0cyclictest9-21ksoftirqd/022:45:000
44209999,0cyclictest9-21ksoftirqd/000:20:170
44209998,1cyclictest9-21ksoftirqd/023:40:000
44209998,1cyclictest9-21ksoftirqd/022:10:110
44209998,1cyclictest9-21ksoftirqd/021:40:010
44209998,1cyclictest9-21ksoftirqd/020:25:120
44209997,1cyclictest9-21ksoftirqd/022:55:130
44209997,1cyclictest27532-21idleruntime-cro21:05:010
44209992,6cyclictest5295-21ntpq20:15:170
44209991,4cyclictest2345-21perf23:35:010
44209990,8cyclictest0-21swapper/020:55:200
44209990,6cyclictest0-21swapper/020:45:100
44209990,1cyclictest11051-21df_inode23:00:130
44499988,0cyclictest35-21ksoftirqd/323:00:193
44499988,0cyclictest35-21ksoftirqd/320:34:593
44499987,1cyclictest35-21ksoftirqd/323:49:593
44499986,1cyclictest11301-21snmpd23:59:453
44499986,1cyclictest11301-21snmpd22:54:273
44499986,1cyclictest11301-21snmpd22:46:043
44499986,1cyclictest11301-21snmpd21:27:353
44499986,1cyclictest11301-21snmpd21:16:023
44499986,1cyclictest11301-21snmpd20:53:113
44499986,1cyclictest11301-21snmpd20:18:483
44499986,1cyclictest11301-21snmpd00:35:443
44499981,6cyclictest6757-21munin-node00:24:233
44499981,4cyclictest30090-21diskmemload21:40:173
44499980,4cyclictest0-21swapper/322:35:003
44419987,1cyclictest28-21ksoftirqd/223:30:212
44419987,1cyclictest28-21ksoftirqd/221:30:142
44419987,1cyclictest28-21ksoftirqd/200:35:002
44419987,1cyclictest0-21swapper/219:50:212
44419986,1cyclictest61650irq/122-eno122:10:172
44419986,1cyclictest28-21ksoftirqd/222:08:542
44419986,1cyclictest28-21ksoftirqd/200:35:122
44419986,1cyclictest11301-21snmpd23:21:532
44419985,1cyclictest61650irq/122-eno120:45:002
44419982,5cyclictest6757-21munin-node21:42:582
44419980,6cyclictest0-21swapper/223:09:512
44419980,5cyclictest6757-21munin-node19:57:382
44419980,3cyclictest14943-21/usr/sbin/munin22:20:182
44209987,1cyclictest9-21ksoftirqd/023:20:210
44209987,1cyclictest9-21ksoftirqd/022:35:140
44209987,1cyclictest9-21ksoftirqd/021:16:260
44209987,1cyclictest9-21ksoftirqd/000:15:130
44209987,1cyclictest19365-21ssh23:10:320
44209986,1cyclictest9563-21apt-config23:44:590
44209986,1cyclictest11301-21snmpd21:31:030
44209986,1cyclictest11301-21snmpd19:33:410
44209985,1cyclictest9-21ksoftirqd/000:30:090
44209981,6cyclictest0-21swapper/019:45:320
44209980,7cyclictest30090-21diskmemload22:49:160
44209980,7cyclictest24900-21ssh21:46:040
44209980,7cyclictest13461-21ssh23:50:140
44209980,4cyclictest0-21swapper/022:50:090
44499977,0cyclictest35-21ksoftirqd/321:45:193
44499976,1cyclictest35-21ksoftirqd/322:15:203
44499976,1cyclictest35-21ksoftirqd/319:45:143
44499976,1cyclictest11301-21snmpd23:12:083
44499975,1cyclictest35-21ksoftirqd/319:55:003
44499975,1cyclictest19151-21sshd19:36:473
44499975,1cyclictest11301-21snmpd22:27:383
44499975,1cyclictest11301-21snmpd21:04:513
44499975,1cyclictest11301-21snmpd20:06:463
44499975,1cyclictest11301-21snmpd19:44:243
44499975,1cyclictest11301-21snmpd19:33:123
44499972,3cyclictest30090-21diskmemload23:09:583
44499972,3cyclictest26396-21apt-get21:50:113
44499972,2cyclictest29302-21apt-get20:00:083
44499971,4cyclictest30090-21diskmemload23:44:163
44499971,4cyclictest30090-21diskmemload21:22:093
44499970,2cyclictest7649-21apt-get19:15:113
44419976,1cyclictest61650irq/122-eno122:25:172
44419976,1cyclictest61650irq/122-eno121:39:082
44419976,1cyclictest61650irq/122-eno121:05:232
44419976,1cyclictest61650irq/122-eno120:01:312
44419976,1cyclictest28-21ksoftirqd/222:00:152
44419976,1cyclictest28-21ksoftirqd/221:05:002
44419976,1cyclictest28-21ksoftirqd/200:20:002
44419976,1cyclictest28-21ksoftirqd/200:10:162
44419976,1cyclictest28-21ksoftirqd/200:00:132
44419976,1cyclictest21941-21cat23:15:192
44419976,0cyclictest61650irq/122-eno120:35:552
44419975,2cyclictest11301-21snmpd23:56:432
44419975,1cyclictest61650irq/122-eno122:50:132
44419975,1cyclictest61650irq/122-eno121:20:162
44419975,1cyclictest28-21ksoftirqd/219:50:002
44419975,1cyclictest28-21ksoftirqd/219:30:012
44419975,1cyclictest28-21ksoftirqd/219:20:092
44419973,2cyclictest61650irq/122-eno121:10:092
44419973,2cyclictest61650irq/122-eno121:10:082
44419973,2cyclictest240-21systemd-journal00:29:592
44419972,3cyclictest1788-21/usr/sbin/munin20:10:172
44419970,5cyclictest0-21swapper/223:13:152
44419970,4cyclictest0-21swapper/221:50:102
44419970,1cyclictest0-21swapper/221:25:142
44419970,1cyclictest0-21swapper/219:31:112
44289971,6cyclictest0-21swapper/121:47:091
44289971,6cyclictest0-21swapper/119:25:351
44289971,3cyclictest0-21swapper/121:05:131
44289970,4cyclictest0-21swapper/121:31:541
44289970,4cyclictest0-21swapper/121:10:141
44289970,4cyclictest0-21swapper/121:10:131
44289970,4cyclictest0-21swapper/100:37:591
44289970,1cyclictest0-21swapper/122:37:431
44209977,0cyclictest9-21ksoftirqd/023:15:110
44209976,1cyclictest9-21ksoftirqd/021:05:150
44209976,1cyclictest9-21ksoftirqd/019:10:130
44209975,1cyclictest6080-21df00:25:130
44209975,1cyclictest30579-21grep21:55:140
44209975,1cyclictest0-21swapper/019:25:140
44209974,1cyclictest9-21ksoftirqd/019:20:010
44209972,1cyclictest9294-21tune2fs21:25:150
44209972,1cyclictest23141-21/usr/sbin/munin22:30:170
44209971,4cyclictest30090-21diskmemload21:42:110
44209970,6cyclictest5638-21ntpq22:05:180
44209970,6cyclictest32670-21ssh21:12:310
44209970,6cyclictest32670-21ssh21:12:300
44209970,6cyclictest15204-21ntpq23:05:170
44209970,6cyclictest13299-21ssh22:15:400
44209970,6cyclictest0-21swapper/022:00:110
44209970,6cyclictest0-21swapper/020:40:090
44209970,6cyclictest0-21swapper/020:02:400
44209970,2cyclictest27520-21cpuspeed_turbos00:10:110
44209970,1cyclictest6716-21ssh21:20:230
44209970,1cyclictest0-21swapper/000:05:160
44209970,0cyclictest0-21swapper/022:20:150
44499965,1cyclictest7654-21ssh00:26:193
44499965,1cyclictest4374-21ssh23:35:253
44499965,1cyclictest35-21ksoftirqd/319:30:013
44499965,1cyclictest11301-21snmpd19:11:283
44499964,1cyclictest11301-21snmpd23:29:323
44499964,1cyclictest10145-21ssh22:11:453
44499964,0cyclictest30090-21diskmemload23:15:343
44499963,1cyclictest30090-21diskmemload00:00:463
44499963,1cyclictest0-21swapper/322:40:483
44499962,1cyclictest15690-21/usr/sbin/munin21:35:103
44499962,0cyclictest10229-21apt-get19:20:093
44499960,4cyclictest0-21swapper/323:23:443
44499960,3cyclictest0-21swapper/300:11:573
44499960,1cyclictest240-21systemd-journal19:59:553
44499960,1cyclictest0-21swapper/321:55:373
44419966,0cyclictest61650irq/122-eno123:40:172
44419966,0cyclictest61650irq/122-eno123:35:122
44419966,0cyclictest61650irq/122-eno122:45:492
44419966,0cyclictest61650irq/122-eno122:40:122
44419966,0cyclictest61650irq/122-eno122:35:092
44419966,0cyclictest61650irq/122-eno122:18:272
44419966,0cyclictest61650irq/122-eno120:28:142
44419966,0cyclictest61650irq/122-eno119:40:272
44419966,0cyclictest61650irq/122-eno119:13:222
44419965,1cyclictest61650irq/122-eno122:30:152
44419965,1cyclictest61650irq/122-eno120:06:472
44419965,1cyclictest28-21ksoftirqd/219:15:122
44419965,1cyclictest28-21ksoftirqd/200:15:122
44419964,1cyclictest61650irq/122-eno121:15:072
44419961,3cyclictest6981-21apt-get22:55:112
44289966,0cyclictest0-21swapper/123:45:501
44289965,1cyclictest0-21swapper/122:34:561
44289963,1cyclictest0-21swapper/123:52:171
44289962,2cyclictest0-21swapper/122:40:131
44289960,6cyclictest0-21swapper/121:37:361
44289960,6cyclictest0-21swapper/120:56:221
44289960,6cyclictest0-21swapper/120:33:491
44289960,6cyclictest0-21swapper/119:12:131
44289960,5cyclictest0-21swapper/120:11:041
44289960,5cyclictest0-21swapper/120:02:571
44289960,5cyclictest0-21swapper/119:15:151
44289960,5cyclictest0-21swapper/100:23:351
44289960,5cyclictest0-21swapper/100:12:371
44289960,5cyclictest0-21swapper/100:00:151
44289960,4cyclictest0-21swapper/122:09:321
44289960,4cyclictest0-21swapper/100:25:131
44289960,3cyclictest0-21swapper/123:01:151
44289960,3cyclictest0-21swapper/100:30:221
44289960,2cyclictest0-21swapper/123:38:511
44289960,1cyclictest0-21swapper/123:12:331
44289960,1cyclictest0-21swapper/122:22:201
44289960,1cyclictest0-21swapper/121:42:251
44289960,1cyclictest0-21swapper/120:50:161
44289960,0cyclictest0-21swapper/121:27:421
44209966,0cyclictest9-21ksoftirqd/019:50:180
44209965,1cyclictest11301-21snmpd19:40:320
44209964,1cyclictest9-21ksoftirqd/019:20:010
44209964,1cyclictest11301-21snmpd20:21:370
44209960,3cyclictest0-21swapper/020:50:100
44209960,0cyclictest0-21swapper/023:25:080
44209960,0cyclictest0-21swapper/020:35:080
44209960,0cyclictest0-21swapper/019:59:440
44209960,0cyclictest0-21swapper/019:35:110
44499954,1cyclictest7534-21ssh22:09:383
44499953,1cyclictest30090-21diskmemload21:30:173
44499952,1cyclictest7536-21/usr/sbin/munin20:20:183
44499952,1cyclictest30090-21diskmemload22:01:093
44499952,1cyclictest0-21swapper/320:35:123
44499950,2cyclictest0-21swapper/321:05:123
44419955,0cyclictest61650irq/122-eno120:50:032
44419954,1cyclictest61650irq/122-eno120:55:162
44289952,3cyclictest0-21swapper/122:04:201
44289951,4cyclictest0-21swapper/120:07:411
44289951,3cyclictest0-21swapper/100:05:151
44289951,2cyclictest0-21swapper/123:55:191
44289951,2cyclictest0-21swapper/121:50:111
44289950,5cyclictest0-21swapper/122:27:021
44289950,5cyclictest0-21swapper/120:38:501
44289950,5cyclictest0-21swapper/120:26:371
44289950,5cyclictest0-21swapper/119:54:291
44289950,4cyclictest0-21swapper/123:15:181
44289950,4cyclictest0-21swapper/122:19:141
44289950,4cyclictest0-21swapper/122:11:491
44289950,4cyclictest0-21swapper/120:17:451
44289950,3cyclictest0-21swapper/123:20:151
44289950,3cyclictest0-21swapper/122:51:571
44289950,3cyclictest0-21swapper/121:55:161
44289950,3cyclictest0-21swapper/100:15:301
44289950,2cyclictest0-21swapper/123:05:121
44289950,2cyclictest0-21swapper/120:49:061
44289950,1cyclictest0-21swapper/123:32:291
44289950,0cyclictest0-21swapper/120:20:251
44289950,0cyclictest0-21swapper/119:58:311
44289950,0cyclictest0-21swapper/119:22:571
44209953,1cyclictest2399-21fschecks_count20:10:130
1323250,0sleep10-21swapper/121:15:021
44499942,1cyclictest11301-21snmpd20:45:103
44499940,1cyclictest16624-21fschecks_time20:40:133
44289944,0cyclictest0-21swapper/119:30:261
44289941,2cyclictest0-21swapper/119:45:121
44289941,0cyclictest0-21swapper/119:35:101
44289940,4cyclictest0-21swapper/119:43:301
44289940,1cyclictest0-21swapper/121:00:111
44289931,1cyclictest0-21swapper/120:40:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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