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2026-04-09 - 21:16
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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 100 highest latencies:
System rack7slot0.osadl.org (updated Thu Apr 09, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650630,0irq/26-eth1-rx-0-21swapper/307:05:093
120650600,0irq/26-eth1-rx-0-21swapper/107:07:011
112750540,0irq/25-eth00-21swapper/207:09:062
112750430,0irq/25-eth00-21swapper/007:05:280
19726992012,0cyclictest7578-21sshd10:05:472
1972699200,0cyclictest0-21swapper/211:45:312
351180,0ktimersoftd/324708-21sshd09:59:033
1972699180,0cyclictest24248-21bash11:09:392
1972699173,0cyclictest0-21swapper/210:14:582
1972699170,0cyclictest0-21swapper/210:17:112
1972699160,0cyclictest16652-21sshd09:29:412
1972699150,0cyclictest0-21swapper/212:20:342
1972699150,0cyclictest0-21swapper/210:00:272
1972699150,0cyclictest0-21swapper/209:23:272
19725991514,0cyclictest0-21swapper/112:05:161
19727991413,0cyclictest0-21swapper/311:23:023
1972799140,0cyclictest0-21swapper/312:05:183
1972799140,0cyclictest0-21swapper/311:46:303
19726991413,0cyclictest11653-21diskmemload09:35:162
19726991413,0cyclictest11653-21diskmemload09:35:162
19725991413,0cyclictest0-21swapper/111:25:461
19725991413,0cyclictest0-21swapper/109:05:181
19724991412,0cyclictest11653-21diskmemload10:10:020
19727991312,0cyclictest0-21swapper/311:12:573
19727991312,0cyclictest0-21swapper/311:08:593
1972799130,0cyclictest25790-21id11:52:263
1972799130,0cyclictest0-21swapper/309:40:493
19726991312,0cyclictest0-21swapper/210:41:152
19726991312,0cyclictest0-21swapper/209:58:512
19726991311,0cyclictest0-21swapper/211:19:082
1972699130,0cyclictest0-21swapper/212:25:112
1972699130,0cyclictest0-21swapper/212:25:112
1972699130,0cyclictest0-21swapper/212:09:402
19725991312,0cyclictest32156-21sshd10:23:361
19725991312,0cyclictest0-21swapper/110:02:011
19724991312,0cyclictest6949-21bash11:25:540
19724991312,0cyclictest0-21swapper/009:10:190
19724991312,0cyclictest0-21swapper/009:10:190
1972499130,0cyclictest0-21swapper/007:15:010
112750130,0irq/25-eth04810-21munin-node10:05:220
112750130,0irq/25-eth010129-21sshd09:38:041
112750130,0irq/25-eth010129-21sshd09:38:041
112750130,0irq/25-eth00-21swapper/112:34:181
112750130,0irq/25-eth00-21swapper/112:34:171
271120,0ktimersoftd/20-21swapper/212:00:572
19727991211,0cyclictest29244-21sshd12:21:283
19727991211,0cyclictest23267-21bash11:42:333
19727991211,0cyclictest1158-21id10:19:093
19727991211,0cyclictest0-21swapper/310:14:453
19727991210,0cyclictest21738-21sshd09:49:123
19727991210,0cyclictest0-21swapper/309:53:213
19727991210,0cyclictest0-21swapper/309:38:363
19727991210,0cyclictest0-21swapper/309:38:363
19727991210,0cyclictest0-21swapper/309:15:433
19727991210,0cyclictest0-21swapper/309:15:433
1972799120,0cyclictest23426-21sshd11:33:083
1972799120,0cyclictest0-21swapper/311:27:143
1972799120,0cyclictest0-21swapper/309:34:253
1972799120,0cyclictest0-21swapper/309:28:173
1972699129,0cyclictest30705-21sshd12:35:522
19726991211,0cyclictest0-21swapper/211:43:042
19726991211,0cyclictest0-21swapper/209:18:192
19726991211,0cyclictest0-21swapper/209:18:192
1972699120,0cyclictest0-21swapper/211:33:452
1972699120,0cyclictest0-21swapper/211:23:182
1972699120,0cyclictest0-21swapper/209:52:282
1972699120,0cyclictest0-21swapper/209:44:062
1972699120,0cyclictest0-21swapper/209:31:062
1972699120,0cyclictest0-21swapper/208:47:532
19725991212,0cyclictest0-21swapper/109:40:371
19725991211,0cyclictest0-21swapper/111:09:291
19725991211,0cyclictest0-21swapper/110:25:491
19725991211,0cyclictest0-21swapper/109:47:011
19725991211,0cyclictest0-21swapper/109:26:061
19725991210,0cyclictest8972-21sshd11:35:381
19725991210,0cyclictest0-21swapper/111:55:091
1972599120,0cyclictest2261-21bash12:03:171
1972599120,0cyclictest0-21swapper/111:53:111
19724991211,0cyclictest10382-21sshd11:21:420
19724991211,0cyclictest0-21swapper/011:47:220
19724991211,0cyclictest0-21swapper/010:34:320
19724991211,0cyclictest0-21swapper/009:31:280
19724991210,0cyclictest0-21swapper/012:05:510
1972499120,0cyclictest0-21swapper/012:12:140
1972499120,0cyclictest0-21swapper/009:18:410
1972499120,0cyclictest0-21swapper/009:18:410
112750120,0irq/25-eth00-21swapper/111:34:551
351110,0ktimersoftd/30-21swapper/308:40:453
19727991111,0cyclictest0-21swapper/312:27:523
19727991111,0cyclictest0-21swapper/312:27:523
19727991110,0cyclictest32717-21sshd10:33:063
19727991110,0cyclictest20738-21bash11:56:223
19727991110,0cyclictest16952-21sshd11:36:523
19727991110,0cyclictest0-21swapper/310:55:373
19727991110,0cyclictest0-21swapper/308:02:183
1972799110,0cyclictest0-21swapper/312:30:053
1972799110,0cyclictest0-21swapper/312:30:053
1972799110,0cyclictest0-21swapper/308:47:443
1972799110,0cyclictest0-21swapper/307:57:193
1972799110,0cyclictest0-21swapper/307:44:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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