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2026-09-23 - 04:54
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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 all highest latencies:
System rack1slot1.osadl.org (updated Wed Sep 23, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
50552237162,24sleep20-21swapper/219:06:052
53382212149,49sleep00-21swapper/019:09:450
51572206150,42sleep10-21swapper/119:07:251
51822200161,26sleep30-21swapper/319:07:433
11822600,0sleep10-21swapper/120:05:161
243922200,0sleep20-21swapper/221:45:182
545399153,4cyclictest2755-21cat00:20:000
5471991412,1cyclictest8519-21netstat23:40:163
5453991311,1cyclictest9-21ksoftirqd/022:10:030
545599120,12cyclictest0-21swapper/122:10:171
545399123,4cyclictest1886-21/usr/sbin/munin21:15:010
545399120,0cyclictest0-21swapper/000:20:100
246562120,1sleep0545399cyclictest21:45:200
546399119,1cyclictest28-21ksoftirqd/223:55:142
546399119,1cyclictest28-21ksoftirqd/222:50:002
5453991110,1cyclictest9-21ksoftirqd/022:05:000
547199109,1cyclictest21148-21sh23:12:313
5463991010,0cyclictest28-21ksoftirqd/200:05:002
54719997,1cyclictest35-21ksoftirqd/319:59:593
54719991,7cyclictest8135-21grep20:20:153
54719990,4cyclictest0-21swapper/319:35:183
54639998,1cyclictest28-21ksoftirqd/223:45:012
54639998,1cyclictest28-21ksoftirqd/223:04:392
54639998,1cyclictest28-21ksoftirqd/222:25:152
54639998,1cyclictest28-21ksoftirqd/222:10:032
54639998,1cyclictest28-21ksoftirqd/221:55:132
54639998,1cyclictest28-21ksoftirqd/220:40:002
54639991,6cyclictest7822-21munin-node21:25:202
54539997,1cyclictest9-21ksoftirqd/020:09:590
54539997,1cyclictest9-21ksoftirqd/019:40:000
54539990,4cyclictest16612-21latency_hist20:40:000
54539990,1cyclictest7195-21ssh22:06:200
54719986,1cyclictest35-21ksoftirqd/320:30:003
54719986,1cyclictest11301-21snmpd21:26:143
54719980,4cyclictest24313-21tr19:45:173
54719980,1cyclictest0-21swapper/323:23:393
54639986,1cyclictest61650irq/122-eno120:00:002
54639986,1cyclictest32462-21sh20:05:002
54639986,1cyclictest28-21ksoftirqd/222:20:012
54639986,1cyclictest11301-21snmpd21:18:412
54639986,1cyclictest11301-21snmpd19:49:142
54639983,4cyclictest61650irq/122-eno120:30:132
54639982,4cyclictest28-21ksoftirqd/222:07:502
54639982,2cyclictest0-21swapper/200:25:182
54559981,6cyclictest0-21swapper/121:43:541
54559980,1cyclictest0-21swapper/123:25:121
54539986,1cyclictest11301-21snmpd23:59:090
54539986,1cyclictest11301-21snmpd23:45:450
54539986,1cyclictest11301-21snmpd22:53:110
54539986,1cyclictest11301-21snmpd22:39:340
54539986,1cyclictest11301-21snmpd00:39:500
54539986,1cyclictest10840-21cat00:30:160
54539984,2cyclictest240-21systemd-journal19:45:000
54539981,6cyclictest0-21swapper/022:30:210
54539981,1cyclictest0-21swapper/020:02:390
54539981,1cyclictest0-21swapper/000:06:250
54539980,7cyclictest3656-21cat21:15:220
15898280,0sleep10-21swapper/121:33:581
54719976,1cyclictest0-21swapper/321:10:163
54719975,1cyclictest14378-21ssh22:16:223
54719975,1cyclictest11301-21snmpd21:24:473
54719975,1cyclictest11301-21snmpd20:54:543
54719975,1cyclictest11301-21snmpd20:34:463
54719975,1cyclictest11301-21snmpd20:11:123
54719975,1cyclictest11301-21snmpd19:32:193
54719975,1cyclictest11301-21snmpd19:13:163
54719975,1cyclictest11301-21snmpd19:13:163
54719975,1cyclictest11301-21snmpd00:27:443
54719975,1cyclictest11301-21snmpd00:15:103
54719975,1cyclictest11301-21snmpd00:01:073
54719974,1cyclictest30718-21diskmemload21:56:573
54719972,3cyclictest8814-21aten_r1power_po19:15:123
54719972,2cyclictest1129-21/usr/sbin/munin22:45:163
54719971,3cyclictest30718-21diskmemload23:25:013
54719970,6cyclictest0-21swapper/323:15:123
54719970,6cyclictest0-21swapper/321:00:123
54719970,4cyclictest0-21swapper/323:06:243
54719970,4cyclictest0-21swapper/323:06:233
54719970,4cyclictest0-21swapper/321:44:263
54719970,4cyclictest0-21swapper/300:38:363
54719970,3cyclictest0-21swapper/322:03:393
54719970,2cyclictest0-21swapper/322:14:163
54719970,2cyclictest0-21swapper/322:05:113
54719970,2cyclictest0-21swapper/321:33:053
54719970,1cyclictest0-21swapper/323:32:063
54639977,0cyclictest0-21swapper/221:53:532
54639976,1cyclictest61650irq/122-eno123:53:522
54639976,1cyclictest61650irq/122-eno123:25:142
54639976,1cyclictest61650irq/122-eno122:50:212
54639976,1cyclictest61650irq/122-eno122:32:132
54639976,1cyclictest61650irq/122-eno100:37:412
54639976,1cyclictest61650irq/122-eno100:20:002
54639976,1cyclictest28-21ksoftirqd/223:25:002
54639976,1cyclictest28-21ksoftirqd/223:05:012
54639976,1cyclictest28-21ksoftirqd/223:05:012
54639976,1cyclictest28-21ksoftirqd/222:20:192
54639976,1cyclictest28-21ksoftirqd/222:20:182
54639976,1cyclictest28-21ksoftirqd/221:05:162
54639976,1cyclictest28-21ksoftirqd/200:30:132
54639976,1cyclictest11301-21snmpd22:00:092
54639976,1cyclictest11301-21snmpd19:15:432
54639975,1cyclictest61650irq/122-eno121:40:132
54639975,1cyclictest61650irq/122-eno120:45:202
54639975,1cyclictest61650irq/122-eno120:40:152
54639975,1cyclictest61650irq/122-eno100:15:112
54639975,1cyclictest5870-21ssh23:35:592
54639975,1cyclictest28-21ksoftirqd/222:35:122
54639975,1cyclictest28-21ksoftirqd/220:15:012
54639975,1cyclictest28-21ksoftirqd/219:20:132
54639975,1cyclictest11301-21snmpd23:16:292
54639975,1cyclictest11301-21snmpd19:37:372
54639971,5cyclictest5446-21cyclictest00:06:362
54639970,6cyclictest0-21swapper/223:40:342
54639970,6cyclictest0-21swapper/223:32:592
54639970,6cyclictest0-21swapper/220:59:342
54639970,6cyclictest0-21swapper/219:14:312
54639970,6cyclictest0-21swapper/219:14:302
54559972,5cyclictest56-21kworker/1:121:17:381
54559971,6cyclictest0-21swapper/122:37:251
54559971,5cyclictest0-21swapper/100:12:491
54559971,4cyclictest0-21swapper/122:50:131
54559971,1cyclictest0-21swapper/100:07:191
54559970,6cyclictest0-21swapper/122:06:571
54559970,6cyclictest0-21swapper/121:57:151
54559970,6cyclictest0-21swapper/121:12:291
54559970,6cyclictest0-21swapper/119:28:311
54559970,6cyclictest0-21swapper/100:22:501
54559970,4cyclictest0-21swapper/121:45:131
54559970,4cyclictest0-21swapper/120:30:141
54559970,1cyclictest0-21swapper/123:36:381
54559970,1cyclictest0-21swapper/120:40:101
54559970,1cyclictest0-21swapper/119:24:131
54559970,1cyclictest0-21swapper/100:26:141
54539976,1cyclictest9369-21/usr/sbin/munin21:25:140
54539976,1cyclictest15184-21ssh21:31:460
54539976,1cyclictest11301-21snmpd22:16:240
54539975,1cyclictest767-21expr23:30:100
54539975,1cyclictest23095-21cat23:15:160
54539975,1cyclictest11301-21snmpd23:36:270
54539975,1cyclictest11301-21snmpd23:10:140
54539975,1cyclictest11301-21snmpd23:09:350
54539975,1cyclictest11301-21snmpd23:09:350
54539975,1cyclictest11301-21snmpd20:46:340
54539971,5cyclictest30500-21tail21:55:120
54539971,5cyclictest28700-21ssh00:10:160
54539971,2cyclictest7352-21ssh23:40:050
54539970,6cyclictest30718-21diskmemload23:50:380
54539970,6cyclictest29671-21wc23:25:140
54539970,6cyclictest28235-21ssh23:22:570
54539970,6cyclictest20019-21ssh21:40:110
54539970,6cyclictest0-21swapper/022:20:010
54539970,6cyclictest0-21swapper/022:20:000
54539970,6cyclictest0-21swapper/021:20:140
54539970,6cyclictest0-21swapper/020:50:310
54539970,1cyclictest8617-21ssh22:55:160
54539970,1cyclictest28962-21ssh21:51:140
54539970,1cyclictest19703-21munin-run21:40:000
54539970,1cyclictest0-21swapper/023:00:140
54539970,1cyclictest0-21swapper/022:25:140
54539970,1cyclictest0-21swapper/000:25:220
54539970,1cyclictest0-21swapper/000:00:180
54719966,0cyclictest30718-21diskmemload22:51:123
54719965,1cyclictest6084-21ssh23:36:433
54719965,1cyclictest4163-21ntpq00:20:183
54719965,1cyclictest28483-21ssh22:35:443
54719965,1cyclictest22522-21ssh22:28:593
54719965,1cyclictest2074-21sshd20:06:013
54719965,1cyclictest19574-21sshd21:39:383
54719965,1cyclictest19244-21ssh23:55:203
54719965,1cyclictest17801-21ssh22:20:293
54719965,1cyclictest17801-21ssh22:20:283
54719965,1cyclictest12282-21ssh00:32:153
54719965,1cyclictest11301-21snmpd20:57:523
54719965,1cyclictest11301-21snmpd20:43:223
54719965,1cyclictest11301-21snmpd20:17:453
54719964,1cyclictest14130-21ssh23:02:543
54719964,1cyclictest11301-21snmpd22:43:283
54719964,1cyclictest11301-21snmpd20:37:333
54719964,1cyclictest11301-21snmpd19:24:313
54719963,3cyclictest30718-21diskmemload21:15:383
54719962,1cyclictest26326-21awk22:35:013
54719961,4cyclictest23466-21apt-get21:45:123
54719961,2cyclictest28106-21ntp_states21:50:183
54719961,2cyclictest12127-21pmu-power23:45:193
54719960,3cyclictest0-21swapper/323:54:283
54719960,3cyclictest0-21swapper/322:56:033
54719960,1cyclictest0-21swapper/300:05:443
54719960,0cyclictest0-21swapper/300:10:083
54639966,0cyclictest61650irq/122-eno122:55:312
54639966,0cyclictest61650irq/122-eno122:40:172
54639966,0cyclictest61650irq/122-eno121:31:072
54639966,0cyclictest61650irq/122-eno120:50:202
54639966,0cyclictest61650irq/122-eno120:28:572
54639966,0cyclictest61650irq/122-eno120:18:322
54639966,0cyclictest61650irq/122-eno119:40:132
54639966,0cyclictest61650irq/122-eno119:30:172
54639966,0cyclictest61650irq/122-eno100:10:162
54639965,1cyclictest61650irq/122-eno121:35:122
54639965,1cyclictest61650irq/122-eno121:10:172
54639965,0cyclictest61650irq/122-eno123:10:182
54639964,1cyclictest28-21ksoftirqd/220:05:142
54639963,2cyclictest6447-21tune2fs21:20:172
54639960,6cyclictest0-21swapper/219:27:102
54559961,5cyclictest0-21swapper/100:03:271
54559961,2cyclictest0-21swapper/121:05:131
54559961,1cyclictest0-21swapper/123:55:581
54559960,6cyclictest0-21swapper/122:33:461
54559960,6cyclictest0-21swapper/121:50:161
54559960,6cyclictest0-21swapper/121:25:071
54559960,6cyclictest0-21swapper/120:48:341
54559960,6cyclictest0-21swapper/119:56:321
54559960,6cyclictest0-21swapper/119:10:011
54559960,6cyclictest0-21swapper/119:10:001
54559960,5cyclictest0-21swapper/122:20:181
54559960,5cyclictest0-21swapper/122:20:181
54559960,5cyclictest0-21swapper/122:18:521
54559960,5cyclictest0-21swapper/121:38:231
54559960,5cyclictest0-21swapper/119:36:561
54559960,3cyclictest0-21swapper/123:20:121
54559960,3cyclictest0-21swapper/122:25:121
54559960,1cyclictest0-21swapper/123:30:391
54559960,1cyclictest0-21swapper/122:55:291
54559960,1cyclictest0-21swapper/122:00:411
54559960,1cyclictest0-21swapper/120:12:081
54559960,1cyclictest0-21swapper/100:16:041
54559960,0cyclictest0-21swapper/123:40:141
54559960,0cyclictest0-21swapper/123:06:571
54559960,0cyclictest0-21swapper/123:06:561
54539965,1cyclictest27119-21cat21:00:150
54539965,1cyclictest0-21swapper/020:10:160
54539964,1cyclictest11476-21cstates19:20:130
54539964,1cyclictest11301-21snmpd19:28:390
54539960,6cyclictest0-21swapper/022:45:060
54539960,6cyclictest0-21swapper/021:05:060
54539960,6cyclictest0-21swapper/020:23:220
54539960,6cyclictest0-21swapper/019:48:120
54539960,6cyclictest0-21swapper/019:12:390
54539960,6cyclictest0-21swapper/019:12:390
54539960,5cyclictest30063-21apt-get22:40:100
54539960,5cyclictest0-21swapper/020:16:150
54539960,2cyclictest0-21swapper/020:40:120
54539960,0cyclictest0-21swapper/020:55:390
54539960,0cyclictest0-21swapper/019:54:200
54539960,0cyclictest0-21swapper/019:34:100
54719954,1cyclictest11301-21snmpd19:29:093
54719952,1cyclictest240-21systemd-journal19:45:003
54719951,2cyclictest31149-21hddtemp_smartct20:00:153
54719951,2cyclictest0-21swapper/319:50:133
54639954,1cyclictest61650irq/122-eno119:50:162
54639953,1cyclictest27282-21wc21:00:172
54639951,1cyclictest8570-21/usr/sbin/munin20:20:192
54559955,0cyclictest0-21swapper/100:35:121
54559950,5cyclictest0-21swapper/123:54:231
54559950,5cyclictest0-21swapper/120:55:141
54559950,3cyclictest0-21swapper/121:20:241
54559950,3cyclictest0-21swapper/100:33:141
54559950,2cyclictest0-21swapper/123:45:131
54559950,2cyclictest0-21swapper/123:10:371
54559950,2cyclictest0-21swapper/122:40:081
54559950,1cyclictest0-21swapper/119:15:111
54559950,0cyclictest0-21swapper/123:17:291
54559950,0cyclictest0-21swapper/123:02:001
54559950,0cyclictest0-21swapper/120:38:591
54539953,1cyclictest28100-21ls19:55:140
54539951,2cyclictest8783-21tail19:15:120
54539950,5cyclictest0-21swapper/020:25:240
54539950,1cyclictest13234-21/usr/sbin/munin20:30:180
54719942,1cyclictest24726-21nscd21:05:153
54719942,1cyclictest19155-21runrttasks20:45:063
54559941,1cyclictest0-21swapper/120:29:591
54559940,4cyclictest0-21swapper/120:54:251
54559940,4cyclictest0-21swapper/120:24:191
54559940,4cyclictest0-21swapper/119:45:181
54559940,3cyclictest0-21swapper/122:47:011
54559940,3cyclictest0-21swapper/119:40:121
54559940,1cyclictest0-21swapper/121:00:151
54559940,1cyclictest0-21swapper/120:00:201
54559940,0cyclictest0-21swapper/120:19:191
54559931,1cyclictest0-21swapper/119:50:141
54559931,1cyclictest0-21swapper/119:30:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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