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2026-04-10 - 19:11
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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 Apr 10, 2026 12:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7932214149,21sleep00-21swapper/007:08:010
8952207174,21sleep10-21swapper/107:09:191
7762203141,21sleep30-21swapper/307:07:483
8962201161,26sleep20-21swapper/207:09:202
100172640,0sleep30-21swapper/312:19:103
146472590,0sleep30-21swapper/310:18:233
321292150,0sleep30-21swapper/311:23:483
279872140,0sleep10-21swapper/112:00:101
1050991413,1cyclictest0-21swapper/210:20:122
1033991413,1cyclictest9-21ksoftirqd/007:15:010
1033991412,1cyclictest9-21ksoftirqd/010:25:010
1058991311,1cyclictest35-21ksoftirqd/308:45:003
105099130,12cyclictest25237-21/usr/sbin/munin11:15:162
82752120,0sleep30-21swapper/308:30:153
1058991210,1cyclictest26300-21diskmemload11:25:323
1050991211,1cyclictest28-21ksoftirqd/212:40:002
1050991211,1cyclictest28-21ksoftirqd/207:50:012
1050991211,1cyclictest28-21ksoftirqd/207:40:002
1050991211,1cyclictest28-21ksoftirqd/207:40:002
105099120,11cyclictest0-21swapper/211:20:132
1058991111,0cyclictest35-21ksoftirqd/310:40:003
103399119,1cyclictest9-21ksoftirqd/011:15:210
1033991111,0cyclictest9-21ksoftirqd/012:30:000
1033991110,1cyclictest9-21ksoftirqd/011:45:130
105899100,6cyclictest3417-21munin-node07:51:083
105099109,1cyclictest28-21ksoftirqd/211:50:002
105099106,2cyclictest693-21runrttasks10:07:522
105099100,9cyclictest26300-21diskmemload10:25:182
105099100,8cyclictest19105-21kworker/u8:211:52:112
103399109,1cyclictest9-21ksoftirqd/011:55:000
103399108,1cyclictest9-21ksoftirqd/011:50:140
103399108,1cyclictest9-21ksoftirqd/009:20:000
103399108,1cyclictest9-21ksoftirqd/007:25:000
103399103,4cyclictest26726-21latency_hist10:35:000
103399103,4cyclictest26726-21latency_hist10:35:000
28373290,0sleep00-21swapper/009:10:320
10589998,1cyclictest35-21ksoftirqd/309:05:003
10589997,1cyclictest35-21ksoftirqd/308:20:003
10589997,1cyclictest26300-21diskmemload09:20:063
10589990,4cyclictest26300-21diskmemload11:51:513
10589990,2cyclictest0-21swapper/309:10:103
10509998,1cyclictest28-21ksoftirqd/210:49:592
10509998,1cyclictest28-21ksoftirqd/209:20:012
10509998,1cyclictest28-21ksoftirqd/208:59:592
10509998,1cyclictest28-21ksoftirqd/208:20:002
10509997,1cyclictest28-21ksoftirqd/209:40:002
10339998,1cyclictest9-21ksoftirqd/011:40:140
10339998,1cyclictest9-21ksoftirqd/010:30:000
10339998,1cyclictest9-21ksoftirqd/010:05:190
10339998,1cyclictest9-21ksoftirqd/009:45:010
10339997,1cyclictest9-21ksoftirqd/012:00:110
10339997,1cyclictest9-21ksoftirqd/010:50:120
10339997,1cyclictest9-21ksoftirqd/010:45:130
24985280,1sleep3341rcuc/311:55:163
10589987,1cyclictest35-21ksoftirqd/308:46:133
10589982,2cyclictest31015-21aten_r1power_cu10:40:123
10589980,5cyclictest0-21swapper/309:25:143
10589980,1cyclictest240-21systemd-journal10:30:003
10589980,1cyclictest0-21swapper/309:15:123
10509987,1cyclictest28-21ksoftirqd/210:00:522
10509986,2cyclictest12428-21aten_r1power_en08:40:112
10509986,1cyclictest61650irq/122-eno111:55:012
10509986,1cyclictest61650irq/122-eno110:40:122
10509986,1cyclictest61650irq/122-eno109:10:132
10509986,1cyclictest28-21ksoftirqd/211:05:002
10509986,1cyclictest28-21ksoftirqd/210:10:122
10509982,5cyclictest561-21nscd10:39:152
10509980,7cyclictest2792-21/usr/sbin/munin12:10:152
10509980,7cyclictest0-21swapper/210:55:162
10439986,0cyclictest0-21swapper/107:20:191
10339987,1cyclictest9-21ksoftirqd/011:35:000
10339987,1cyclictest9-21ksoftirqd/011:05:130
10339987,1cyclictest9-21ksoftirqd/010:35:150
10339987,1cyclictest9-21ksoftirqd/009:45:130
10339987,1cyclictest9-21ksoftirqd/008:45:130
10339983,1cyclictest7904-21/usr/sbin/munin10:10:160
10339981,3cyclictest0-21swapper/008:10:010
10339980,7cyclictest8014-21ntp_states12:15:160
10339980,7cyclictest6536-21cut09:25:140
9369270,1sleep10-21swapper/109:29:481
26000270,0sleep30-21swapper/310:33:103
26000270,0sleep30-21swapper/310:33:103
25618270,0sleep10-21swapper/110:32:091
25618270,0sleep10-21swapper/110:32:081
10589977,0cyclictest35-21ksoftirqd/312:30:003
10589977,0cyclictest0-21swapper/311:04:313
10589976,1cyclictest35-21ksoftirqd/311:40:123
10589976,1cyclictest35-21ksoftirqd/309:30:013
10589976,1cyclictest35-21ksoftirqd/309:10:003
10589976,1cyclictest11207-21ntpq10:55:193
10589975,1cyclictest17141-21timerwakeupswit10:20:193
10589974,1cyclictest240-21systemd-journal08:37:453
10589973,3cyclictest2216-21sh10:00:413
10589973,1cyclictest26300-21diskmemload12:07:173
10589972,3cyclictest30095-21nscd07:35:143
10589972,3cyclictest30095-21nscd07:35:133
10589971,2cyclictest19991-21ssh09:42:273
10509976,1cyclictest61650irq/122-eno112:15:002
10509976,1cyclictest61650irq/122-eno111:35:182
10509976,1cyclictest61650irq/122-eno111:10:292
10509976,1cyclictest61650irq/122-eno109:34:022
10509976,1cyclictest61650irq/122-eno108:30:452
10509976,1cyclictest61650irq/122-eno108:20:142
10509976,1cyclictest28-21ksoftirqd/212:20:112
10509976,0cyclictest61650irq/122-eno110:30:112
10509976,0cyclictest61650irq/122-eno110:30:102
10509975,1cyclictest61650irq/122-eno112:30:132
10509975,1cyclictest61650irq/122-eno111:05:132
10509975,1cyclictest61650irq/122-eno109:45:122
10509975,1cyclictest61650irq/122-eno109:05:132
10509975,1cyclictest32562-21ntpq12:05:162
10509975,1cyclictest28-21ksoftirqd/212:25:142
10509975,1cyclictest28-21ksoftirqd/211:45:002
10509970,4cyclictest11150-21perf07:30:012
10439971,2cyclictest0-21swapper/108:15:001
10439970,4cyclictest0-21swapper/111:06:071
10439970,3cyclictest0-21swapper/111:44:301
10439970,3cyclictest0-21swapper/111:25:261
10439970,3cyclictest0-21swapper/110:35:051
10439970,2cyclictest0-21swapper/109:45:101
10339977,0cyclictest9-21ksoftirqd/007:55:130
10339975,1cyclictest9014-21/usr/sbin/munin07:25:170
10339975,1cyclictest9-21ksoftirqd/010:40:120
10339975,1cyclictest9-21ksoftirqd/007:45:140
10339975,1cyclictest5623-21find07:15:170
10339975,1cyclictest14791-21ntpq09:35:170
10339970,7cyclictest351-21sh10:00:120
10339970,6cyclictest8677-21expr11:35:130
10339970,6cyclictest2721-21ssh09:20:140
10339970,6cyclictest2546-21ssh12:10:000
10339970,6cyclictest22666-21ls11:10:180
10339970,6cyclictest1950-21ssh11:25:210
10339970,6cyclictest18237-21ssh12:30:050
10339970,6cyclictest12995-21ssh10:58:400
10339970,6cyclictest1261-21ssh12:06:400
10339970,6cyclictest11831-21ntp_states12:20:170
10339970,6cyclictest0-21swapper/011:02:330
10339970,6cyclictest0-21swapper/010:00:000
10339970,1cyclictest26300-21diskmemload12:35:100
10339970,1cyclictest20936-21threads08:55:190
10339970,1cyclictest0-21swapper/011:21:420
10339970,1cyclictest0-21swapper/010:16:360
10339970,1cyclictest0-21swapper/009:50:540
10589965,1cyclictest9940-21ssh10:11:003
10589965,1cyclictest29708-21ssh12:01:143
10589965,1cyclictest23256-21ssh11:10:253
10589965,1cyclictest19803-21ssh11:06:223
10589965,1cyclictest18219-21ssh12:30:013
10589965,1cyclictest18191-21ssh11:46:373
10589965,1cyclictest16401-21ssh09:38:093
10589965,1cyclictest12480-21ssh12:20:283
10589964,1cyclictest3606-21ntpq10:45:173
10589964,1cyclictest35-21ksoftirqd/311:15:123
10589964,1cyclictest24070-21ssh12:35:533
10589964,0cyclictest26300-21diskmemload11:31:333
10589963,1cyclictest35-21ksoftirqd/307:34:283
10589963,1cyclictest35-21ksoftirqd/307:17:443
10589962,3cyclictest7371-21ntpq10:50:163
10589960,4cyclictest240-21systemd-journal10:10:003
10589960,2cyclictest0-21swapper/311:39:583
10589960,1cyclictest0-21swapper/309:45:103
10509966,0cyclictest61650irq/122-eno111:26:542
10509966,0cyclictest61650irq/122-eno110:52:482
10509966,0cyclictest61650irq/122-eno109:55:532
10509966,0cyclictest61650irq/122-eno109:50:312
10509966,0cyclictest61650irq/122-eno109:40:132
10509966,0cyclictest61650irq/122-eno108:45:202
10509966,0cyclictest61650irq/122-eno108:37:462
10509966,0cyclictest61650irq/122-eno107:30:372
10509966,0cyclictest61650irq/122-eno107:10:142
10509965,1cyclictest61650irq/122-eno109:23:022
10509965,1cyclictest61650irq/122-eno107:55:202
10509965,1cyclictest61650irq/122-eno107:50:192
10509965,1cyclictest28-21ksoftirqd/208:50:122
10509965,1cyclictest28-21ksoftirqd/208:25:152
10509965,1cyclictest28-21ksoftirqd/208:05:132
10509965,0cyclictest61650irq/122-eno110:15:112
10509964,1cyclictest61650irq/122-eno109:00:202
10509964,1cyclictest28-21ksoftirqd/211:30:132
10509964,1cyclictest28-21ksoftirqd/209:25:132
10509964,1cyclictest28-21ksoftirqd/208:00:112
10509964,1cyclictest28-21ksoftirqd/207:15:002
10509960,1cyclictest26300-21diskmemload12:00:082
10439962,3cyclictest0-21swapper/110:15:091
10439961,0cyclictest0-21swapper/110:45:111
10439960,6cyclictest0-21swapper/109:44:491
10439960,6cyclictest0-21swapper/108:30:181
10439960,6cyclictest0-21swapper/107:55:201
10439960,4cyclictest0-21swapper/110:12:371
10439960,2cyclictest0-21swapper/111:35:151
10439960,2cyclictest0-21swapper/111:12:251
10439960,2cyclictest0-21swapper/110:58:091
10439960,2cyclictest0-21swapper/110:51:521
10439960,2cyclictest0-21swapper/110:08:481
10439960,2cyclictest0-21swapper/109:50:101
10439960,0cyclictest0-21swapper/112:15:191
10439960,0cyclictest0-21swapper/111:55:171
10439960,0cyclictest0-21swapper/111:00:191
10439960,0cyclictest0-21swapper/109:35:131
10439960,0cyclictest0-21swapper/108:35:201
10339966,0cyclictest9-21ksoftirqd/007:35:130
10339966,0cyclictest9-21ksoftirqd/007:35:130
10339965,1cyclictest9-21ksoftirqd/007:45:000
10339965,1cyclictest9-21ksoftirqd/007:30:110
10339963,1cyclictest240-21systemd-journal08:13:290
10339961,5cyclictest0-21swapper/009:05:110
10339960,6cyclictest0-21swapper/008:40:110
10339960,5cyclictest0-21swapper/008:30:160
10339960,4cyclictest1001-21tune2fs08:15:150
10339960,1cyclictest0-21swapper/008:35:120
10339960,0cyclictest26300-21diskmemload09:30:030
10339960,0cyclictest0-21swapper/009:02:140
10339960,0cyclictest0-21swapper/008:50:360
10589955,0cyclictest0-21swapper/308:20:123
10589954,1cyclictest35-21ksoftirqd/307:49:133
10589954,1cyclictest27618-21sshd08:02:133
10589953,1cyclictest24355-21load07:55:173
10589952,2cyclictest16098-21aten_r1power_cu07:40:103
10589952,1cyclictest26300-21diskmemload12:10:143
10589952,0cyclictest1236-21apt-get07:10:103
10589951,3cyclictest29152-21tr09:55:123
10589951,1cyclictest240-21systemd-journal08:10:003
10589951,1cyclictest0-21swapper/309:53:443
10589950,4cyclictest7224-21latency_hist08:30:003
10589950,2cyclictest240-21systemd-journal08:10:153
10589950,0cyclictest0-21swapper/307:26:513
10509955,0cyclictest61650irq/122-eno107:41:292
10509955,0cyclictest61650irq/122-eno107:22:292
10509950,4cyclictest30436-21/usr/sbin/munin08:10:142
10439952,3cyclictest0-21swapper/112:20:121
10439952,1cyclictest0-21swapper/112:05:191
10439952,1cyclictest0-21swapper/110:21:021
10439952,1cyclictest0-21swapper/110:01:011
10439952,1cyclictest0-21swapper/109:21:011
10439952,1cyclictest0-21swapper/109:05:301
10439952,1cyclictest0-21swapper/109:00:301
10439952,1cyclictest0-21swapper/108:22:001
10439952,1cyclictest0-21swapper/108:18:001
10439952,1cyclictest0-21swapper/107:50:001
10439952,1cyclictest0-21swapper/107:26:131
10439950,5cyclictest0-21swapper/107:54:141
10439950,3cyclictest0-21swapper/112:34:281
10439950,3cyclictest0-21swapper/111:30:471
10439950,3cyclictest0-21swapper/109:55:111
10439950,3cyclictest0-21swapper/109:31:111
10439950,2cyclictest0-21swapper/111:53:081
10439950,2cyclictest0-21swapper/111:48:501
10439950,2cyclictest0-21swapper/110:25:461
10439950,2cyclictest0-21swapper/107:15:001
10439950,1cyclictest0-21swapper/112:35:111
10439950,1cyclictest0-21swapper/112:28:071
10439950,1cyclictest0-21swapper/112:10:151
10439950,1cyclictest0-21swapper/111:21:251
10439950,1cyclictest0-21swapper/110:41:291
10439950,1cyclictest0-21swapper/109:15:101
10439950,1cyclictest0-21swapper/109:10:111
10439950,1cyclictest0-21swapper/107:40:161
10339955,0cyclictest0-21swapper/008:20:110
10339952,1cyclictest240-21systemd-journal08:00:140
10339950,4cyclictest5124-21aten_r1power_cu08:25:130
10339950,1cyclictest21004-21/usr/sbin/munin07:50:150
10589943,1cyclictest19766-21cstates08:55:123
10589942,1cyclictest6923-21cut07:20:133
10589942,1cyclictest17322-21cat08:50:133
10439944,0cyclictest0-21swapper/108:26:041
10439941,2cyclictest0-21swapper/108:50:111
10439941,1cyclictest0-21swapper/108:58:301
10439941,1cyclictest0-21swapper/108:46:001
10439941,1cyclictest0-21swapper/108:41:151
10439941,1cyclictest0-21swapper/108:08:141
10439941,1cyclictest0-21swapper/107:35:011
10439941,1cyclictest0-21swapper/107:35:011
10439941,1cyclictest0-21swapper/107:10:581
10439940,2cyclictest0-21swapper/108:00:111
10439940,2cyclictest0-21swapper/107:30:131
10439940,1cyclictest0-21swapper/111:15:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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