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2026-07-31 - 01:42
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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 Jul 31, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
308742245150,44sleep20-21swapper/219:09:392
308262202162,26sleep10-21swapper/119:09:021
308332199158,27sleep30-21swapper/319:09:083
308922197157,26sleep00-21swapper/019:09:530
135552640,0sleep00-21swapper/022:25:120
184202150,0sleep30-21swapper/319:50:003
320992130,0sleep20-21swapper/223:36:082
179142130,0sleep30-21swapper/321:45:143
31014991210,1cyclictest28-21ksoftirqd/221:35:152
31014991210,1cyclictest28-21ksoftirqd/220:05:002
30995991211,1cyclictest9-21ksoftirqd/023:35:170
3101499119,1cyclictest28-21ksoftirqd/200:04:592
31014991111,0cyclictest28-21ksoftirqd/223:40:212
31014991110,1cyclictest28-21ksoftirqd/221:50:152
30995991111,0cyclictest9-21ksoftirqd/023:00:160
30995991110,1cyclictest9-21ksoftirqd/022:10:150
30995991110,1cyclictest9-21ksoftirqd/000:30:010
172542110,0sleep00-21swapper/022:30:140
3101499109,1cyclictest28-21ksoftirqd/221:15:002
3101499109,1cyclictest28-21ksoftirqd/200:20:212
3101499108,1cyclictest28-21ksoftirqd/223:20:162
31014991010,0cyclictest28-21ksoftirqd/200:30:172
3101499100,0cyclictest0-21swapper/223:12:182
3099599108,1cyclictest9-21ksoftirqd/020:00:110
30995991010,0cyclictest9-21ksoftirqd/022:50:010
3099599100,6cyclictest240-21systemd-journal21:17:000
310309998,1cyclictest35-21ksoftirqd/320:35:003
310309990,3cyclictest0-21swapper/321:10:123
310149999,0cyclictest28-21ksoftirqd/223:15:172
310149999,0cyclictest28-21ksoftirqd/221:40:172
310149998,1cyclictest28-21ksoftirqd/223:54:462
310149998,1cyclictest28-21ksoftirqd/222:30:162
310149998,1cyclictest28-21ksoftirqd/221:15:222
310149998,1cyclictest28-21ksoftirqd/219:15:002
310149998,1cyclictest28-21ksoftirqd/200:15:182
310149998,0cyclictest28-21ksoftirqd/223:28:362
310149997,1cyclictest28-21ksoftirqd/221:25:152
310149997,1cyclictest28-21ksoftirqd/200:25:152
310149997,1cyclictest0-21swapper/200:05:572
310149991,6cyclictest12225-21apt23:10:002
309959999,0cyclictest9-21ksoftirqd/022:00:140
309959999,0cyclictest9-21ksoftirqd/000:35:130
309959998,1cyclictest9-21ksoftirqd/023:40:130
309959998,1cyclictest9-21ksoftirqd/023:25:150
309959998,1cyclictest9-21ksoftirqd/022:40:210
309959998,1cyclictest9-21ksoftirqd/021:00:120
309959998,1cyclictest9-21ksoftirqd/000:09:590
310309981,6cyclictest30528-21apt-get20:15:103
310309981,5cyclictest0-21swapper/323:42:433
310309981,4cyclictest24092-21diskmemload21:55:133
310309980,5cyclictest0-21swapper/322:15:103
310149988,0cyclictest28-21ksoftirqd/223:32:342
310149988,0cyclictest28-21ksoftirqd/222:57:512
310149988,0cyclictest28-21ksoftirqd/222:35:102
310149988,0cyclictest28-21ksoftirqd/222:25:132
310149987,1cyclictest28-21ksoftirqd/222:49:512
310149987,1cyclictest28-21ksoftirqd/222:40:112
310149987,1cyclictest28-21ksoftirqd/222:15:142
310149987,1cyclictest28-21ksoftirqd/221:30:142
310149987,1cyclictest28-21ksoftirqd/220:40:162
310149987,0cyclictest28-21ksoftirqd/223:47:392
310149986,1cyclictest11301-21snmpd21:21:372
310149986,1cyclictest11301-21snmpd20:28:182
310149985,2cyclictest3941-21idleruntime-cro19:20:002
310069980,8cyclictest0-21swapper/120:21:151
310069980,1cyclictest0-21swapper/100:15:121
309959988,0cyclictest9-21ksoftirqd/023:55:000
309959988,0cyclictest9-21ksoftirqd/022:35:200
309959988,0cyclictest9-21ksoftirqd/021:45:520
309959988,0cyclictest9-21ksoftirqd/000:10:250
309959988,0cyclictest9-21ksoftirqd/000:04:490
309959987,1cyclictest9-21ksoftirqd/023:50:010
309959987,1cyclictest9-21ksoftirqd/022:20:020
309959987,1cyclictest9-21ksoftirqd/021:55:150
309959987,1cyclictest9-21ksoftirqd/021:50:130
309959987,1cyclictest9-21ksoftirqd/020:50:000
309959987,1cyclictest9-21ksoftirqd/019:45:000
309959987,1cyclictest9-21ksoftirqd/019:45:000
309959987,0cyclictest9-21ksoftirqd/020:40:160
309959981,1cyclictest11812-21ssh21:35:230
309959980,4cyclictest12266-21latency_hist23:10:000
309959980,2cyclictest0-21swapper/021:30:110
309959980,1cyclictest0-21swapper/023:17:000
309959980,1cyclictest0-21swapper/020:35:100
310309976,1cyclictest35-21ksoftirqd/320:45:003
310309976,1cyclictest11301-21snmpd23:45:333
310309976,1cyclictest11301-21snmpd22:50:163
310309976,1cyclictest11301-21snmpd20:55:553
310309976,1cyclictest11301-21snmpd20:29:553
310309975,1cyclictest24092-21diskmemload23:56:203
310309975,1cyclictest24092-21diskmemload23:02:163
310309975,1cyclictest11301-21snmpd20:12:333
310309974,1cyclictest3616-21grep22:55:213
310309974,1cyclictest240-21systemd-journal19:40:003
310309973,2cyclictest24092-21diskmemload22:45:393
310309973,1cyclictest29657-21ssh23:34:363
310309973,1cyclictest24092-21diskmemload22:42:223
310309972,3cyclictest24092-21diskmemload00:20:123
310309971,3cyclictest24092-21diskmemload23:25:073
310309970,6cyclictest24092-21diskmemload21:52:093
310309970,6cyclictest24092-21diskmemload00:25:063
310309970,4cyclictest8168-21df_inode00:35:143
310309970,1cyclictest0-21swapper/322:35:523
310149977,0cyclictest28-21ksoftirqd/222:50:162
310149976,1cyclictest61650irq/122-eno121:45:162
310149976,1cyclictest28-21ksoftirqd/222:20:122
310149976,1cyclictest28-21ksoftirqd/220:15:142
310149976,1cyclictest28-21ksoftirqd/219:50:122
310149976,1cyclictest28-21ksoftirqd/200:10:182
310149976,1cyclictest19805-21kworker/2:120:10:182
310149976,1cyclictest11301-21snmpd22:14:542
310149975,1cyclictest61650irq/122-eno119:35:002
310149971,6cyclictest31184-21latency_hist22:05:012
310149970,5cyclictest24092-21diskmemload23:55:142
310149970,5cyclictest0-21swapper/222:05:222
310149970,2cyclictest240-21systemd-journal21:09:592
310069971,3cyclictest0-21swapper/121:09:591
310069970,6cyclictest0-21swapper/122:55:161
310069970,4cyclictest0-21swapper/123:13:291
310069970,4cyclictest0-21swapper/121:25:051
310069970,1cyclictest0-21swapper/121:40:121
310069970,1cyclictest0-21swapper/100:24:491
309959977,0cyclictest9-21ksoftirqd/023:32:540
309959977,0cyclictest9-21ksoftirqd/022:15:210
309959977,0cyclictest9-21ksoftirqd/022:07:100
309959977,0cyclictest9-21ksoftirqd/021:25:150
309959977,0cyclictest9-21ksoftirqd/021:12:190
309959977,0cyclictest9-21ksoftirqd/020:50:130
309959976,1cyclictest9-21ksoftirqd/022:50:160
309959976,1cyclictest9-21ksoftirqd/021:43:310
309959976,1cyclictest9-21ksoftirqd/000:30:160
309959976,1cyclictest9-21ksoftirqd/000:20:140
309959976,1cyclictest12641-21cat23:55:160
309959976,1cyclictest11301-21snmpd20:22:310
309959975,1cyclictest9-21ksoftirqd/020:05:100
309959972,5cyclictest19423-21perf21:00:000
309959971,5cyclictest13870-21kworker/0:219:45:140
309959970,6cyclictest24092-21diskmemload23:20:120
309959970,3cyclictest5248-21latency_hist23:00:000
29708270,0sleep10-21swapper/122:47:131
310309965,1cyclictest6426-21ssh21:30:083
310309965,1cyclictest5340-21ssh00:30:193
310309965,1cyclictest5094-21ssh21:26:553
310309965,1cyclictest31406-21ssh22:05:033
310309965,1cyclictest22455-21ssh00:10:053
310309965,1cyclictest20605-21ssh00:05:303
310309965,1cyclictest17724-21ssh00:02:323
310309965,1cyclictest15845-21ssh21:41:363
310309965,1cyclictest11327-21ssh21:35:203
310309965,1cyclictest11301-21snmpd19:56:023
310309964,1cyclictest585-21rs:main3
310309964,1cyclictest29413-21switchtime22:00:223
310309962,3cyclictest24092-21diskmemload23:12:183
310309962,2cyclictest25604-21perf20:04:593
310309962,1cyclictest240-21systemd-journal19:55:013
310309962,0cyclictest8903-21apt-get19:30:133
310309961,4cyclictest24092-21diskmemload22:22:203
310309961,1cyclictest24092-21diskmemload23:50:193
310309960,6cyclictest24092-21diskmemload23:21:513
310309960,4cyclictest28730-21irqstats21:15:173
310309960,4cyclictest0-21swapper/323:05:153
310309960,4cyclictest0-21swapper/300:15:173
310309960,3cyclictest0-21swapper/323:15:193
310309960,3cyclictest0-21swapper/322:35:003
310309960,1cyclictest0-21swapper/322:26:273
310309960,1cyclictest0-21swapper/319:15:123
310149966,0cyclictest61650irq/122-eno123:00:002
310149966,0cyclictest61650irq/122-eno120:51:502
310149966,0cyclictest61650irq/122-eno120:48:432
310149966,0cyclictest61650irq/122-eno120:30:222
310149966,0cyclictest61650irq/122-eno120:20:122
310149966,0cyclictest61650irq/122-eno119:55:122
310149966,0cyclictest61650irq/122-eno119:45:272
310149966,0cyclictest61650irq/122-eno119:40:482
310149966,0cyclictest61650irq/122-eno119:40:482
310149966,0cyclictest61650irq/122-eno119:35:122
310149966,0cyclictest61650irq/122-eno100:35:012
310149966,0cyclictest28-21ksoftirqd/221:55:052
310149965,1cyclictest61650irq/122-eno119:20:122
310149965,1cyclictest28-21ksoftirqd/219:25:132
310149965,0cyclictest61650irq/122-eno120:05:112
310149963,2cyclictest19616-21apt-get21:00:132
310149960,0cyclictest0-21swapper/220:35:102
310069966,0cyclictest0-21swapper/122:00:141
310069961,4cyclictest0-21swapper/122:17:001
310069961,3cyclictest0-21swapper/123:50:141
310069961,3cyclictest0-21swapper/122:12:511
310069960,6cyclictest0-21swapper/123:30:321
310069960,6cyclictest0-21swapper/123:30:001
310069960,6cyclictest0-21swapper/123:01:311
310069960,6cyclictest0-21swapper/121:51:171
310069960,6cyclictest0-21swapper/120:30:271
310069960,6cyclictest0-21swapper/120:16:061
310069960,6cyclictest0-21swapper/120:11:031
310069960,6cyclictest0-21swapper/100:33:381
310069960,4cyclictest0-21swapper/123:07:511
310069960,4cyclictest0-21swapper/122:27:511
310069960,4cyclictest0-21swapper/122:09:301
310069960,4cyclictest0-21swapper/121:18:281
310069960,3cyclictest0-21swapper/123:35:541
310069960,3cyclictest0-21swapper/121:55:231
310069960,3cyclictest0-21swapper/120:00:111
310069960,2cyclictest0-21swapper/123:41:141
310069960,2cyclictest0-21swapper/121:39:461
310069960,2cyclictest0-21swapper/121:30:161
310069960,1cyclictest0-21swapper/122:40:331
310069960,1cyclictest0-21swapper/122:21:371
310069960,1cyclictest0-21swapper/120:08:061
310069960,1cyclictest0-21swapper/119:10:101
310069960,1cyclictest0-21swapper/100:05:181
310069960,0cyclictest0-21swapper/121:45:211
309959966,0cyclictest9-21ksoftirqd/019:20:110
309959966,0cyclictest9-21ksoftirqd/000:15:120
309959966,0cyclictest11301-21snmpd21:05:110
309959965,1cyclictest9-21ksoftirqd/019:30:130
309959965,1cyclictest11301-21snmpd21:21:200
309959965,0cyclictest29449-21ps20:10:180
309959964,1cyclictest11301-21snmpd19:53:170
309959960,6cyclictest0-21swapper/023:13:010
309959960,1cyclictest0-21swapper/019:25:110
310309954,1cyclictest4847-21ssh22:12:053
310309954,1cyclictest35-21ksoftirqd/319:20:103
310309954,1cyclictest11301-21snmpd23:35:293
310309954,1cyclictest11301-21snmpd20:07:343
310309954,1cyclictest11301-21snmpd19:11:133
310309954,0cyclictest24092-21diskmemload21:20:503
310309950,3cyclictest0-21swapper/321:05:183
310309950,1cyclictest0-21swapper/321:00:123
310149950,1cyclictest0-21swapper/220:55:142
310069953,1cyclictest65122sleep123:45:241
310069951,3cyclictest0-21swapper/100:04:591
310069951,2cyclictest0-21swapper/119:35:131
310069950,5cyclictest0-21swapper/121:23:461
310069950,5cyclictest0-21swapper/121:00:281
310069950,5cyclictest0-21swapper/120:51:551
310069950,5cyclictest0-21swapper/120:45:581
310069950,5cyclictest0-21swapper/120:40:591
310069950,5cyclictest0-21swapper/120:38:301
310069950,5cyclictest0-21swapper/120:25:591
310069950,5cyclictest0-21swapper/119:45:581
310069950,5cyclictest0-21swapper/119:31:191
310069950,5cyclictest0-21swapper/119:25:271
310069950,4cyclictest0-21swapper/122:50:381
310069950,3cyclictest0-21swapper/123:55:191
310069950,3cyclictest0-21swapper/123:15:111
310069950,3cyclictest0-21swapper/122:36:111
310069950,3cyclictest0-21swapper/100:35:131
310069950,2cyclictest0-21swapper/123:20:021
310069950,2cyclictest0-21swapper/122:30:131
310069950,1cyclictest0-21swapper/100:10:331
310069950,0cyclictest0-21swapper/121:12:051
310069950,0cyclictest0-21swapper/119:20:071
310069950,0cyclictest0-21swapper/100:25:161
309959954,1cyclictest9-21ksoftirqd/020:30:100
309959954,1cyclictest9-21ksoftirqd/019:10:130
309959954,1cyclictest4053-21ntp_states20:25:170
309959954,1cyclictest11301-21snmpd19:36:360
309959953,1cyclictest11301-21snmpd19:19:020
309959950,0cyclictest0-21swapper/019:55:050
310309943,1cyclictest15414-21awk20:50:133
310309942,1cyclictest7801-21apt-get20:35:123
310309942,1cyclictest7690-21ntpq19:25:183
310309941,3cyclictest13627-21apt-get19:40:113
310309941,3cyclictest13627-21apt-get19:40:113
310309940,3cyclictest12532-21apt-get20:45:103
310069940,4cyclictest0-21swapper/120:55:591
310069940,4cyclictest0-21swapper/119:55:211
310069940,3cyclictest0-21swapper/119:40:131
310069940,3cyclictest0-21swapper/119:40:121
310069940,1cyclictest0-21swapper/119:50:171
310069940,1cyclictest0-21swapper/119:15:201
309959940,4cyclictest0-21swapper/020:15:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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