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2026-07-30 - 06:29
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Thu Jul 30, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
292702204158,32sleep10-21swapper/119:05:481
292702204158,32sleep10-21swapper/119:05:481
292992203157,31sleep00-21swapper/019:06:120
292992203157,31sleep00-21swapper/019:06:120
293592201162,25sleep30-21swapper/319:06:593
293592201162,25sleep30-21swapper/319:06:593
292962200160,26sleep20-21swapper/219:06:102
292962200160,26sleep20-21swapper/219:06:102
29711992119,1cyclictest35-21ksoftirqd/322:35:153
176412210,0sleep20-21swapper/222:30:482
29711991919,0cyclictest35-21ksoftirqd/322:10:123
307582180,1sleep228-21ksoftirqd/221:20:142
29711991818,0cyclictest35-21ksoftirqd/319:35:183
29711991817,1cyclictest35-21ksoftirqd/320:30:003
2971199179,7cyclictest35-21ksoftirqd/321:15:123
29711991717,0cyclictest35-21ksoftirqd/300:16:483
2971199168,4cyclictest35-21ksoftirqd/321:46:343
63122150,0sleep00-21swapper/000:33:490
29711991515,0cyclictest35-21ksoftirqd/323:41:123
29711991515,0cyclictest35-21ksoftirqd/322:06:563
29711991515,0cyclictest35-21ksoftirqd/321:24:143
2971199148,2cyclictest35-21ksoftirqd/321:35:113
29711991414,0cyclictest35-21ksoftirqd/322:02:463
29711991414,0cyclictest35-21ksoftirqd/320:20:113
29711991412,1cyclictest35-21ksoftirqd/322:50:163
29711991412,1cyclictest35-21ksoftirqd/322:00:003
29711991412,1cyclictest35-21ksoftirqd/300:00:003
2971199135,0cyclictest28088-21ssh22:45:223
29711991313,0cyclictest35-21ksoftirqd/321:44:463
29711991313,0cyclictest35-21ksoftirqd/321:30:463
29711991313,0cyclictest35-21ksoftirqd/321:13:453
29711991313,0cyclictest35-21ksoftirqd/300:07:093
29711991313,0cyclictest35-21ksoftirqd/300:04:393
29711991312,1cyclictest35-21ksoftirqd/322:20:003
29711991312,1cyclictest35-21ksoftirqd/321:30:003
29711991312,1cyclictest35-21ksoftirqd/319:12:223
29711991311,1cyclictest35-21ksoftirqd/322:40:193
29711991311,1cyclictest35-21ksoftirqd/320:35:003
29711991311,1cyclictest35-21ksoftirqd/300:35:163
2971199129,3cyclictest35-21ksoftirqd/320:40:003
2971199126,4cyclictest35-21ksoftirqd/320:05:133
2971199124,8cyclictest35-21ksoftirqd/320:45:383
2971199123,8cyclictest35-21ksoftirqd/321:09:543
29711991212,0cyclictest35-21ksoftirqd/322:32:523
29711991212,0cyclictest35-21ksoftirqd/321:52:133
29711991212,0cyclictest35-21ksoftirqd/300:33:033
29711991212,0cyclictest35-21ksoftirqd/300:21:123
29711991211,1cyclictest35-21ksoftirqd/322:20:163
29711991211,1cyclictest35-21ksoftirqd/321:00:003
29711991211,1cyclictest35-21ksoftirqd/319:25:003
29711991211,1cyclictest35-21ksoftirqd/319:20:013
29711991210,1cyclictest35-21ksoftirqd/323:50:163
29711991210,1cyclictest35-21ksoftirqd/323:30:103
29711991210,1cyclictest35-21ksoftirqd/323:25:163
29711991210,1cyclictest35-21ksoftirqd/323:10:183
29711991210,1cyclictest35-21ksoftirqd/323:10:003
29711991210,1cyclictest35-21ksoftirqd/323:00:213
29711991210,1cyclictest35-21ksoftirqd/322:25:133
29711991210,1cyclictest35-21ksoftirqd/300:25:193
2971199119,1cyclictest35-21ksoftirqd/321:00:143
2971199119,1cyclictest35-21ksoftirqd/320:00:143
2971199119,1cyclictest35-21ksoftirqd/320:00:003
2971199119,1cyclictest35-21ksoftirqd/300:10:153
29711991111,0cyclictest35-21ksoftirqd/323:45:173
29711991111,0cyclictest35-21ksoftirqd/323:35:233
29711991111,0cyclictest35-21ksoftirqd/323:20:073
29711991110,1cyclictest35-21ksoftirqd/323:15:123
29711991110,1cyclictest35-21ksoftirqd/322:55:163
29711991110,1cyclictest35-21ksoftirqd/320:55:003
29711991110,1cyclictest35-21ksoftirqd/320:20:013
29711991110,1cyclictest35-21ksoftirqd/319:55:003
29711991110,1cyclictest35-21ksoftirqd/319:35:003
2970399119,1cyclictest28-21ksoftirqd/221:00:112
2970399110,0cyclictest22779-21diskmemload21:50:142
2971199109,1cyclictest35-21ksoftirqd/319:45:123
2971199109,1cyclictest35-21ksoftirqd/319:40:153
2971199109,1cyclictest35-21ksoftirqd/319:25:133
2971199108,1cyclictest35-21ksoftirqd/320:40:143
2971199108,1cyclictest35-21ksoftirqd/320:10:143
2970399108,1cyclictest28-21ksoftirqd/219:57:452
297039998,1cyclictest61650irq/122-eno123:05:002
297039998,1cyclictest20986-21sh00:08:262
297039990,6cyclictest18016-21kworker/2:221:49:582
297039990,5cyclictest5084-21apt-get21:30:112
297039990,4cyclictest0-21swapper/221:40:122
296909997,1cyclictest9-21ksoftirqd/020:00:000
296909994,1cyclictest1337-21/usr/sbin/munin21:25:140
296909992,6cyclictest32038-21munin-node21:12:170
296909992,6cyclictest16094-21sh21:45:130
297039986,1cyclictest61650irq/122-eno123:15:112
297039986,1cyclictest61650irq/122-eno122:25:202
297039986,1cyclictest61650irq/122-eno122:02:362
297039986,1cyclictest61650irq/122-eno120:50:112
297039986,1cyclictest61650irq/122-eno100:30:142
297039986,1cyclictest61650irq/122-eno100:00:162
297039986,1cyclictest28-21ksoftirqd/221:35:282
297039986,1cyclictest22398-21aten_r1power_po23:25:112
297039986,1cyclictest11301-21snmpd23:14:362
297039986,1cyclictest11301-21snmpd22:09:552
297039986,1cyclictest11301-21snmpd20:27:042
297039981,6cyclictest0-21swapper/220:05:032
296979981,1cyclictest0-21swapper/123:16:301
296909987,1cyclictest9-21ksoftirqd/022:28:250
296909987,1cyclictest7040-21telnet00:35:130
296909981,5cyclictest23352-21cstates21:55:120
296909980,7cyclictest14882-21latency_hist23:15:000
296909980,7cyclictest13182-21ssh21:40:170
296909980,4cyclictest13350-21date20:50:000
296909980,2cyclictest0-21swapper/019:35:120
297039976,1cyclictest61650irq/122-eno123:50:012
297039976,1cyclictest61650irq/122-eno123:45:062
297039976,1cyclictest61650irq/122-eno123:44:332
297039976,1cyclictest61650irq/122-eno123:00:132
297039976,1cyclictest61650irq/122-eno122:57:102
297039976,1cyclictest61650irq/122-eno122:20:142
297039976,1cyclictest61650irq/122-eno120:00:202
297039976,1cyclictest28-21ksoftirqd/222:44:302
297039975,1cyclictest61650irq/122-eno121:10:222
297039975,1cyclictest61650irq/122-eno120:15:132
297039975,1cyclictest61650irq/122-eno100:35:132
297039975,1cyclictest61650irq/122-eno100:25:132
297039975,1cyclictest61650irq/122-eno100:20:132
297039975,1cyclictest28-21ksoftirqd/219:50:002
297039975,1cyclictest27487-21ntpq22:45:182
297039975,1cyclictest20425-21ntpq22:35:192
297039975,1cyclictest11301-21snmpd23:30:372
297039975,1cyclictest11301-21snmpd21:55:042
297039975,1cyclictest11301-21snmpd20:57:442
297039973,1cyclictest240-21systemd-journal19:55:002
297039972,4cyclictest22779-21diskmemload22:15:172
297039972,3cyclictest0-21swapper/221:05:122
297039971,4cyclictest61650irq/122-eno122:52:372
297039970,7cyclictest0-21swapper/220:33:182
297039970,6cyclictest0-21swapper/220:10:152
297039970,6cyclictest0-21swapper/200:11:142
297039970,4cyclictest61650irq/122-eno121:25:112
297039970,4cyclictest0-21swapper/221:15:102
296979971,1cyclictest0-21swapper/123:58:231
296979970,7cyclictest0-21swapper/100:21:111
296979970,3cyclictest0-21swapper/121:46:491
296909976,1cyclictest8626-21ssh22:20:010
296909976,1cyclictest8070-21ssh23:05:130
296909976,1cyclictest5468-21telnet19:25:110
296909976,1cyclictest5023-21ssh21:30:020
296909976,1cyclictest28936-21telnet00:20:120
296909976,1cyclictest28213-21ssh23:32:220
296909976,1cyclictest24161-21ssh23:25:360
296909976,1cyclictest21381-21ssh22:36:290
296909976,1cyclictest18206-21ssh00:05:050
296909976,1cyclictest1800-21ssh00:25:360
296909976,1cyclictest16636-21ssh00:00:490
296909976,1cyclictest15663-21ssh22:30:020
296909976,1cyclictest11301-21snmpd19:30:260
296909976,1cyclictest11301-21snmpd19:13:050
296909976,1cyclictest0-21swapper/023:56:250
296909975,1cyclictest8821-21/usr/sbin/munin20:40:200
296909975,1cyclictest8585-21cat23:50:160
296909975,1cyclictest12722-21/usr/sbin/munin19:40:130
296909975,1cyclictest0-21swapper/020:30:170
296909975,1cyclictest0-21swapper/020:20:110
296909971,6cyclictest21884-21ssh21:52:160
296909971,5cyclictest26466-21telnet22:45:130
296909970,6cyclictest5281-21cat19:25:000
296909970,6cyclictest5259-21basename22:15:130
296909970,6cyclictest32515-21ssh22:06:030
296909970,6cyclictest30513-21ntp_states23:35:180
296909970,6cyclictest30112-21/usr/sbin/munin21:20:140
296909970,6cyclictest29217-21/usr/sbin/munin20:15:120
296909970,6cyclictest27634-21ls22:00:150
296909970,6cyclictest26863-21/usr/sbin/munin20:10:200
296909970,6cyclictest25745-21cstates00:15:150
296909970,6cyclictest22959-21cat21:10:010
296909970,6cyclictest22779-21diskmemload23:40:160
296909970,6cyclictest22767-21ssh22:40:090
296909970,6cyclictest17430-21/usr/sbin/munin19:50:140
296909970,6cyclictest15880-21hwlatdetect23:15:130
296909970,6cyclictest0-21swapper/021:00:170
296909970,6cyclictest0-21swapper/019:15:150
296909970,4cyclictest26670-21perf20:10:000
296909970,1cyclictest6446-21/usr/sbin/munin20:35:150
296909970,1cyclictest6292-21ssh23:47:070
296909970,1cyclictest5020-21df_inode23:00:160
296909970,1cyclictest29821-21ssh22:50:090
296909970,1cyclictest2921-21ssh22:55:590
296909970,1cyclictest26465-21ssh21:15:100
296909970,1cyclictest21767-21/usr/sbin/munin00:10:150
296909970,1cyclictest18790-21apt-get23:20:110
296909970,1cyclictest0-21swapper/022:10:170
296909970,1cyclictest0-21swapper/021:35:160
297039966,0cyclictest61650irq/122-eno123:36:112
297039966,0cyclictest61650irq/122-eno123:20:152
297039966,0cyclictest61650irq/122-eno122:10:192
297039966,0cyclictest61650irq/122-eno120:40:142
297039966,0cyclictest61650irq/122-eno120:35:132
297039966,0cyclictest61650irq/122-eno120:20:112
297039966,0cyclictest61650irq/122-eno100:15:102
297039964,1cyclictest61650irq/122-eno119:30:132
297039964,1cyclictest32001-21munin-node19:15:002
297039964,1cyclictest11301-21snmpd19:20:352
297039964,0cyclictest22779-21diskmemload23:55:222
297039960,5cyclictest0-21swapper/219:35:162
297039960,1cyclictest0-21swapper/220:45:122
296979965,1cyclictest0-21swapper/121:13:041
296979964,1cyclictest0-21swapper/100:00:141
296979962,1cyclictest0-21swapper/119:15:161
296979961,3cyclictest0-21swapper/122:14:291
296979961,3cyclictest0-21swapper/121:30:161
296979961,1cyclictest0-21swapper/122:15:211
296979960,6cyclictest0-21swapper/123:46:251
296979960,6cyclictest0-21swapper/123:44:251
296979960,6cyclictest0-21swapper/123:07:171
296979960,6cyclictest0-21swapper/122:35:211
296979960,6cyclictest0-21swapper/120:48:501
296979960,6cyclictest0-21swapper/120:38:221
296979960,6cyclictest0-21swapper/120:10:191
296979960,6cyclictest0-21swapper/120:00:191
296979960,6cyclictest0-21swapper/119:21:141
296979960,6cyclictest0-21swapper/100:15:151
296979960,5cyclictest0-21swapper/122:44:541
296979960,5cyclictest0-21swapper/121:25:151
296979960,5cyclictest0-21swapper/119:30:471
296979960,2cyclictest0-21swapper/121:16:291
296979960,2cyclictest0-21swapper/100:26:521
296979960,1cyclictest0-21swapper/123:21:251
296979960,1cyclictest0-21swapper/121:40:121
296979960,0cyclictest0-21swapper/100:39:391
296909965,1cyclictest14422-21cat20:50:150
296909965,1cyclictest11301-21snmpd20:00:330
296909964,1cyclictest9-21ksoftirqd/019:45:100
296909960,6cyclictest0-21swapper/020:55:360
296909960,5cyclictest1528-21/usr/sbin/munin20:25:120
297039955,0cyclictest61650irq/122-eno119:41:442
297039951,3cyclictest470-21apt-get19:15:132
297039950,1cyclictest5437-21apt-get19:25:112
296979955,0cyclictest0-21swapper/123:12:471
296979951,1cyclictest0-21swapper/121:00:111
296979950,5cyclictest0-21swapper/122:21:531
296979950,5cyclictest0-21swapper/120:00:001
296979950,5cyclictest0-21swapper/100:10:001
296979950,4cyclictest0-21swapper/123:40:001
296979950,4cyclictest0-21swapper/123:25:271
296979950,4cyclictest0-21swapper/122:05:491
296979950,3cyclictest0-21swapper/123:53:531
296979950,2cyclictest0-21swapper/122:51:311
296979950,2cyclictest0-21swapper/121:56:141
296979950,2cyclictest0-21swapper/121:50:131
296979950,2cyclictest0-21swapper/121:21:251
296979950,2cyclictest0-21swapper/100:30:161
296979950,1cyclictest0-21swapper/122:03:331
296979950,1cyclictest0-21swapper/119:50:191
296979950,0cyclictest0-21swapper/122:59:471
296979950,0cyclictest0-21swapper/122:29:291
296979950,0cyclictest0-21swapper/119:25:121
296979943,1cyclictest0-21swapper/121:05:171
296979941,3cyclictest0-21swapper/120:50:191
296979941,2cyclictest0-21swapper/119:35:151
296979941,1cyclictest0-21swapper/120:15:121
296979941,0cyclictest0-21swapper/122:45:151
296979940,4cyclictest0-21swapper/123:00:221
296979940,4cyclictest0-21swapper/122:30:081
296979940,4cyclictest0-21swapper/119:46:431
296979940,3cyclictest0-21swapper/123:30:111
296979940,3cyclictest0-21swapper/120:55:171
296979940,2cyclictest0-21swapper/121:35:181
296979940,2cyclictest0-21swapper/119:10:201
296979940,1cyclictest0-21swapper/120:40:131
296979940,1cyclictest0-21swapper/120:10:011
296979940,1cyclictest0-21swapper/100:10:121
296979940,0cyclictest0-21swapper/120:20:121
296979940,0cyclictest0-21swapper/119:40:111
296979931,1cyclictest3884-21chrt20:30:071
296979930,2cyclictest0-21swapper/120:25:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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