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2026-05-21 - 09:18
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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 May 21, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118482223157,26sleep10-21swapper/119:07:381
118372209172,24sleep00-21swapper/019:07:290
117352207149,46sleep20-21swapper/219:06:112
117162197158,26sleep30-21swapper/319:05:543
202032560,0sleep30-21swapper/321:28:293
1212199140,13cyclictest0-21swapper/119:25:141
12121991311,1cyclictest20049-21chrt22:55:101
12115991310,2cyclictest9-21ksoftirqd/022:35:000
12128991211,1cyclictest0-21swapper/221:49:282
12128991210,1cyclictest28-21ksoftirqd/223:45:002
12128991210,1cyclictest271rcuc/221:15:002
1212199121,3cyclictest0-21swapper/123:00:121
1212199120,1cyclictest0-21swapper/123:45:291
1212199120,0cyclictest0-21swapper/119:30:101
12115991210,1cyclictest9-21ksoftirqd/000:00:010
136552110,0sleep20-21swapper/222:01:572
1212899119,1cyclictest28-21ksoftirqd/219:49:592
12128991110,1cyclictest28-21ksoftirqd/220:45:002
1212199110,3cyclictest0-21swapper/100:05:211
1212199110,10cyclictest0-21swapper/100:15:191
1212199110,0cyclictest0-21swapper/121:35:011
12115991110,1cyclictest9-21ksoftirqd/023:29:590
1212899109,1cyclictest28-21ksoftirqd/221:42:582
1212899108,1cyclictest28-21ksoftirqd/220:05:002
12128991010,0cyclictest28-21ksoftirqd/222:21:082
1212199100,3cyclictest0-21swapper/123:39:301
1211599109,1cyclictest9-21ksoftirqd/023:20:120
1211599109,1cyclictest9-21ksoftirqd/022:30:000
1211599109,1cyclictest9-21ksoftirqd/021:10:000
1211599109,1cyclictest9-21ksoftirqd/000:25:140
1211599108,1cyclictest9-21ksoftirqd/000:30:200
1211599101,4cyclictest11470-21latency_hist00:10:000
121369996,2cyclictest5154-21diskmemload00:24:593
121289999,0cyclictest28-21ksoftirqd/200:10:002
121289998,1cyclictest29224-21grep23:05:202
121289998,1cyclictest28-21ksoftirqd/219:30:012
121219990,3cyclictest5242-21chrt23:17:531
121219990,3cyclictest0-21swapper/121:12:251
121219990,1cyclictest0-21swapper/123:55:131
121159999,0cyclictest9-21ksoftirqd/021:53:530
121159998,1cyclictest9-21ksoftirqd/023:40:120
121159998,1cyclictest9-21ksoftirqd/021:45:130
121159997,1cyclictest9-21ksoftirqd/023:30:000
121159997,1cyclictest9-21ksoftirqd/022:50:110
121159997,1cyclictest9-21ksoftirqd/021:40:000
121159997,1cyclictest9-21ksoftirqd/000:35:140
121369983,4cyclictest0-21swapper/300:10:163
121369981,4cyclictest32725-21apt-get23:55:113
121369980,4cyclictest0-21swapper/300:30:113
121289988,0cyclictest28-21ksoftirqd/221:04:592
121289987,1cyclictest28-21ksoftirqd/221:20:012
121289987,1cyclictest28-21ksoftirqd/220:25:012
121289987,1cyclictest28-21ksoftirqd/219:55:002
121289986,1cyclictest61650irq/122-eno123:20:122
121289986,1cyclictest61650irq/122-eno122:55:142
121289986,1cyclictest61650irq/122-eno121:34:372
121289986,1cyclictest28-21ksoftirqd/223:35:172
121289986,1cyclictest28-21ksoftirqd/220:30:012
121289985,1cyclictest61650irq/122-eno122:15:112
121289980,8cyclictest0-21swapper/222:49:452
121289980,5cyclictest23727-21/usr/sbin/munin00:25:152
121289980,3cyclictest19748-21kworker/2:123:14:592
121219980,3cyclictest0-21swapper/122:35:171
121219980,2cyclictest0-21swapper/122:02:131
121219980,2cyclictest0-21swapper/121:46:511
121219980,2cyclictest0-21swapper/120:20:001
121219980,1cyclictest0-21swapper/120:45:111
121219980,1cyclictest0-21swapper/100:03:321
121159988,0cyclictest9-21ksoftirqd/022:45:120
121159988,0cyclictest9-21ksoftirqd/022:10:140
121159987,1cyclictest9-21ksoftirqd/023:10:010
121159987,1cyclictest9-21ksoftirqd/021:30:250
121159987,1cyclictest9-21ksoftirqd/021:25:190
121159987,1cyclictest9-21ksoftirqd/019:15:010
121159986,1cyclictest9-21ksoftirqd/020:45:130
121159986,1cyclictest4540-21apt20:00:000
121159986,1cyclictest27713-21ssh22:20:180
121159986,1cyclictest18837-21cat19:20:160
121159986,1cyclictest11850-21/usr/sbin/munin20:15:150
121159985,2cyclictest12905-21perf21:20:010
121159980,7cyclictest0-21swapper/023:10:190
121159980,7cyclictest0-21swapper/022:40:110
121159980,6cyclictest28543-21apt-get23:50:000
19785270,1sleep319773-21perf22:55:003
121369976,1cyclictest35-21ksoftirqd/321:59:593
121369976,1cyclictest35-21ksoftirqd/319:40:013
121369975,1cyclictest35-21ksoftirqd/321:00:123
121369975,1cyclictest30510-21ssh21:40:363
121369975,1cyclictest11282-21ssh00:09:403
121369974,2cyclictest381-21cron21:00:003
121369974,1cyclictest35-21ksoftirqd/319:24:543
121369973,2cyclictest240-21systemd-journal23:12:543
121369973,2cyclictest240-21systemd-journal22:21:083
121369971,5cyclictest11724-1kworker/u9:122:43:493
121369971,4cyclictest0-21swapper/323:45:573
121369971,2cyclictest0-21swapper/323:21:113
121369970,6cyclictest7116-21sshd22:35:483
121369970,6cyclictest23249-21ssh21:31:223
121369970,4cyclictest18375-21/usr/sbin/munin23:35:143
121369970,4cyclictest0-21swapper/321:47:353
121369970,3cyclictest22662-21apt-get22:15:113
121369970,3cyclictest0-21swapper/321:20:113
121369970,2cyclictest0-21swapper/323:34:163
121289976,1cyclictest61650irq/122-eno122:36:192
121289976,1cyclictest61650irq/122-eno122:31:352
121289976,1cyclictest61650irq/122-eno119:20:122
121289976,1cyclictest61650irq/122-eno100:38:132
121289976,1cyclictest61650irq/122-eno100:30:112
121289976,1cyclictest61650irq/122-eno100:13:362
121289976,1cyclictest61650irq/122-eno100:00:012
121289975,1cyclictest61650irq/122-eno119:40:012
121289975,1cyclictest29022-21ssh23:50:102
121289975,1cyclictest28-21ksoftirqd/221:50:132
121289975,1cyclictest28-21ksoftirqd/220:49:592
121289974,1cyclictest61650irq/122-eno123:29:592
121289973,2cyclictest240-21systemd-journal22:55:002
121289973,2cyclictest240-21systemd-journal21:30:012
121289972,4cyclictest25689-21fschecks_count23:45:132
121289971,3cyclictest14446-21apt-get19:15:002
121289970,4cyclictest19444-21df20:30:122
121219972,1cyclictest2091-21chrt19:54:001
121219971,3cyclictest0-21swapper/123:10:011
121219970,7cyclictest0-21swapper/122:11:491
121219970,4cyclictest0-21swapper/123:40:101
121219970,3cyclictest0-21swapper/123:52:561
121219970,3cyclictest0-21swapper/121:15:121
121219970,2cyclictest0-21swapper/121:20:191
121219970,2cyclictest0-21swapper/100:20:111
121219970,1cyclictest0-21swapper/122:50:131
121219970,1cyclictest0-21swapper/122:34:511
121219970,0cyclictest0-21swapper/121:35:231
121159977,0cyclictest9-21ksoftirqd/021:40:150
121159976,1cyclictest9-21ksoftirqd/020:10:130
121159975,1cyclictest9-21ksoftirqd/022:15:120
121159975,1cyclictest9-21ksoftirqd/021:20:140
121159975,1cyclictest9-21ksoftirqd/019:50:000
121159975,1cyclictest4850-21ssh23:16:470
121159971,5cyclictest5168-21ssh22:35:110
121159971,1cyclictest0-21swapper/019:25:110
121159970,6cyclictest22109-21which20:35:150
121159970,6cyclictest16572-21ntpq00:15:160
121159970,6cyclictest13400-21strings19:10:120
121159970,6cyclictest0-21swapper/023:50:100
121159970,6cyclictest0-21swapper/023:00:140
121159970,5cyclictest0-21swapper/023:35:150
121159970,1cyclictest9486-21ssh21:55:430
121159970,1cyclictest5154-21diskmemload22:55:110
121159970,1cyclictest5154-21diskmemload22:02:030
121159970,1cyclictest20590-21ssh00:20:190
121159970,1cyclictest15550-21ssh22:05:140
121159970,1cyclictest13609-21ssh00:10:410
121159970,1cyclictest0-21swapper/020:05:150
10888270,1sleep10-21swapper/121:59:441
121369965,1cyclictest6466-21ssh00:01:383
121369965,1cyclictest5515-21ssh21:50:333
121369965,1cyclictest31137-21ssh23:51:173
121369965,1cyclictest29609-21sshd23:06:103
121369965,1cyclictest2538-21ssh23:15:073
121369965,1cyclictest23832-21ssh23:42:143
121369965,1cyclictest21456-21ssh22:12:233
121369965,1cyclictest21210-21ssh00:21:083
121369965,1cyclictest17289-21ssh22:06:083
121369965,1cyclictest13229-21ssh22:00:443
121369965,1cyclictest11864-21ssh23:25:313
121369965,1cyclictest11579-21ssh21:16:493
121369964,1cyclictest5154-21diskmemload21:14:323
121369964,1cyclictest3772-21systemctl19:55:203
121369964,1cyclictest35-21ksoftirqd/320:44:563
121369964,1cyclictest32303-21ssh00:35:593
121369964,1cyclictest28129-21ssh21:39:293
121369964,1cyclictest24729-21kernelversion23:00:153
121369964,1cyclictest22203-21ssh22:56:233
121369964,1cyclictest14870-21ssh22:46:393
121369961,3cyclictest5154-21diskmemload00:15:583
121369961,2cyclictest0-21swapper/322:25:223
121369960,4cyclictest0-21swapper/321:05:123
121289966,0cyclictest61650irq/122-eno123:55:112
121289966,0cyclictest61650irq/122-eno122:40:152
121289966,0cyclictest61650irq/122-eno122:25:052
121289966,0cyclictest61650irq/122-eno122:10:182
121289966,0cyclictest61650irq/122-eno121:55:142
121289966,0cyclictest61650irq/122-eno120:10:552
121289966,0cyclictest61650irq/122-eno119:42:432
121289966,0cyclictest61650irq/122-eno100:20:102
121289965,1cyclictest61650irq/122-eno121:35:212
121289965,1cyclictest61650irq/122-eno121:23:242
121289965,1cyclictest3672-21ssh23:15:192
121289965,1cyclictest28-21ksoftirqd/222:05:002
121289965,1cyclictest28-21ksoftirqd/221:05:132
121289965,1cyclictest28-21ksoftirqd/221:00:002
121289965,1cyclictest28-21ksoftirqd/220:55:002
121289965,1cyclictest23756-21ssh23:00:042
121289965,0cyclictest61650irq/122-eno119:30:112
121289964,1cyclictest28-21ksoftirqd/223:25:122
121289964,1cyclictest28-21ksoftirqd/220:15:122
121289962,2cyclictest16672-21sh00:15:182
121219964,2cyclictest0-21swapper/123:21:231
121219961,4cyclictest0-21swapper/120:05:141
121219961,2cyclictest0-21swapper/120:35:111
121219960,6cyclictest0-21swapper/122:25:171
121219960,6cyclictest0-21swapper/122:05:171
121219960,6cyclictest0-21swapper/121:42:091
121219960,2cyclictest0-21swapper/120:59:591
121219960,1cyclictest29482-21chrt19:42:221
121219960,1cyclictest0-21swapper/123:13:301
121219960,1cyclictest0-21swapper/100:11:261
121219960,0cyclictest0-21swapper/100:33:031
121159965,1cyclictest9-21ksoftirqd/020:00:140
121159965,1cyclictest9-21ksoftirqd/019:49:590
121159965,1cyclictest9-21ksoftirqd/019:40:010
121159964,1cyclictest9-21ksoftirqd/020:20:150
121159963,1cyclictest9-21ksoftirqd/020:28:060
121159963,1cyclictest548-21systemd-logind21:00:200
121159963,1cyclictest240-21systemd-journal21:00:000
121159962,2cyclictest240-21systemd-journal20:55:000
121159962,1cyclictest23672-21/usr/sbin/munin20:40:210
121159960,5cyclictest4212-21ssh00:00:070
121159960,2cyclictest0-21swapper/021:10:010
121159960,0cyclictest0-21swapper/019:30:180
121369955,0cyclictest2733-21kworker/3:222:30:593
121369955,0cyclictest23394-21kworker/3:119:31:523
121369953,1cyclictest9502-21apt-get20:10:113
121369953,1cyclictest30291-21expr19:45:123
121369953,1cyclictest29522-21taskset19:42:553
121369953,1cyclictest23429-21idleruntime-cro20:40:003
121369953,1cyclictest14908-21fschecks_time20:20:153
121369953,1cyclictest1-21systemd19:15:003
121369952,1cyclictest240-21systemd-journal20:00:003
121369952,1cyclictest11853-21apt-get20:15:113
121369951,1cyclictest8184-21missed_timers20:05:193
121369950,3cyclictest0-21swapper/319:15:103
121369950,2cyclictest240-21systemd-journal20:50:003
121289955,0cyclictest61650irq/122-eno120:35:182
121289955,0cyclictest61650irq/122-eno120:05:162
121289955,0cyclictest61650irq/122-eno119:15:202
121289954,1cyclictest28-21ksoftirqd/219:55:132
121219952,3cyclictest0-21swapper/122:40:191
121219952,1cyclictest0-21swapper/121:53:101
121219951,3cyclictest0-21swapper/120:25:151
121219951,1cyclictest0-21swapper/122:15:181
121219950,5cyclictest0-21swapper/119:47:361
121219950,3cyclictest0-21swapper/123:30:111
121219950,3cyclictest0-21swapper/123:25:131
121219950,2cyclictest0-21swapper/122:22:051
121219950,2cyclictest0-21swapper/121:25:361
121219950,1cyclictest0-21swapper/122:45:101
121219950,1cyclictest0-21swapper/120:30:111
121219950,1cyclictest0-21swapper/120:25:011
121219950,1cyclictest0-21swapper/119:10:091
121219950,1cyclictest0-21swapper/100:35:111
121159950,5cyclictest0-21swapper/019:35:070
121159950,4cyclictest19559-21cut20:30:140
121369943,1cyclictest20804-21df_inode19:25:133
121369943,1cyclictest13650irq/124-ahci[0019:50:173
121369942,1cyclictest28375-21/usr/sbin/munin20:50:113
121369942,1cyclictest16884-21tr20:25:123
121369940,3cyclictest20184-21tr20:30:183
121219940,1cyclictest0-21swapper/120:50:091
121219940,1cyclictest0-21swapper/119:25:011
121219940,1cyclictest0-21swapper/100:26:061
121219931,1cyclictest0-21swapper/121:05:121
121219931,1cyclictest0-21swapper/120:40:101
121219931,1cyclictest0-21swapper/120:00:121
121219931,1cyclictest0-21swapper/119:35:121
121219931,0cyclictest0-21swapper/119:15:121
121219930,3cyclictest0-21swapper/121:00:121
121219930,1cyclictest0-21swapper/120:10:101
121219930,0cyclictest0-21swapper/119:55:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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