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2026-04-16 - 23:16
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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 16, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750640,0irq/25-eth00-21swapper/107:05:291
120650630,0irq/26-eth1-rx-0-21swapper/307:05:293
112750560,0irq/25-eth00-21swapper/207:06:362
120650460,0irq/26-eth1-rx-0-21swapper/007:09:090
271170,0ktimersoftd/230676-21sshd09:45:182
26858991614,0cyclictest112750irq/25-eth007:41:352
26859991514,0cyclictest0-21swapper/312:25:533
26858991514,0cyclictest18779-21diskmemload09:34:022
2685799150,0cyclictest16924-21sshd09:56:211
112750150,0irq/25-eth00-21swapper/111:54:291
26859991413,0cyclictest0-21swapper/312:36:553
26859991413,0cyclictest0-21swapper/312:36:553
2685999140,0cyclictest5561-21smart_sda11:20:223
2685999140,0cyclictest0-21swapper/310:57:293
26858991413,0cyclictest7295-21sshd10:16:252
26858991413,0cyclictest0-21swapper/210:42:542
112750140,0irq/25-eth00-21swapper/311:38:503
41130,0ktimersoftd/00-21swapper/010:54:200
26859991313,0cyclictest0-21swapper/311:06:463
26859991312,0cyclictest0-21swapper/312:00:263
26859991312,0cyclictest0-21swapper/310:40:523
26858991312,0cyclictest0-21swapper/211:28:412
26858991312,0cyclictest0-21swapper/209:37:302
26858991311,0cyclictest0-21swapper/211:30:122
26858991311,0cyclictest0-21swapper/209:25:042
26858991311,0cyclictest0-21swapper/209:25:042
2685899130,0cyclictest0-21swapper/212:20:162
2685899130,0cyclictest0-21swapper/211:11:022
26857991312,0cyclictest18779-21diskmemload11:09:171
26857991312,0cyclictest0-21swapper/111:22:341
26857991312,0cyclictest0-21swapper/110:41:381
26857991312,0cyclictest0-21swapper/109:25:471
26857991312,0cyclictest0-21swapper/109:25:471
2685799130,0cyclictest0-21swapper/111:39:021
26856991312,0cyclictest3949-21sshd12:15:530
26856991311,0cyclictest18779-21diskmemload11:49:580
26856991310,0cyclictest0-21swapper/011:20:140
2685699130,0cyclictest0-21swapper/010:15:170
112750130,0irq/25-eth00-21swapper/310:25:523
112750130,0irq/25-eth00-21swapper/210:57:052
41120,0ktimersoftd/021641-21sshd11:35:200
26859991211,0cyclictest16324-21sshd10:21:563
26859991211,0cyclictest0-21swapper/312:07:593
26859991211,0cyclictest0-21swapper/309:35:553
26859991210,0cyclictest28145-21sshd10:32:023
26859991210,0cyclictest0-21swapper/309:10:363
2685999120,0cyclictest0-21swapper/312:21:213
2685999120,0cyclictest0-21swapper/310:13:193
2685999120,0cyclictest0-21swapper/309:57:323
2685999120,0cyclictest0-21swapper/309:48:213
2685999120,0cyclictest0-21swapper/309:41:103
2685999120,0cyclictest0-21swapper/309:27:133
2685999120,0cyclictest0-21swapper/309:27:123
26858991211,0cyclictest29956-21sshd10:28:022
26858991211,0cyclictest22913-21sshd12:14:132
26858991211,0cyclictest0-21swapper/211:22:532
26858991211,0cyclictest0-21swapper/210:07:502
26858991211,0cyclictest0-21swapper/209:51:552
26858991211,0cyclictest0-21swapper/209:21:222
26858991210,0cyclictest0-21swapper/212:03:392
2685899120,0cyclictest0-21swapper/212:37:342
2685899120,0cyclictest0-21swapper/212:37:342
2685899120,0cyclictest0-21swapper/212:15:442
2685899120,0cyclictest0-21swapper/211:07:472
26857991211,0cyclictest13480-21sshd11:55:391
26857991211,0cyclictest0-21swapper/111:34:291
26857991211,0cyclictest0-21swapper/110:19:411
26857991211,0cyclictest0-21swapper/108:00:171
26857991210,0cyclictest24275-21sshd11:27:111
26857991210,0cyclictest18779-21diskmemload12:09:281
26857991210,0cyclictest10721-21sshd11:12:331
26857991210,0cyclictest0-21swapper/110:56:451
26857991210,0cyclictest0-21swapper/109:48:541
2685799120,0cyclictest4615-21sshd10:20:201
2685799120,0cyclictest0-21swapper/109:31:151
2685799120,0cyclictest0-21swapper/109:14:521
26856991211,0cyclictest1539-21sshd12:14:210
26856991211,0cyclictest0-21swapper/010:31:120
26856991211,0cyclictest0-21swapper/009:30:560
26856991211,0cyclictest0-21swapper/009:29:110
26856991211,0cyclictest0-21swapper/009:29:100
26856991210,0cyclictest0-21swapper/011:34:520
26856991210,0cyclictest0-21swapper/009:59:580
26856991210,0cyclictest0-21swapper/009:18:010
26856991210,0cyclictest0-21swapper/009:10:220
112750120,0irq/25-eth00-21swapper/311:01:323
112750120,0irq/25-eth00-21swapper/112:15:091
271110,0ktimersoftd/20-21swapper/211:55:112
26859991111,0cyclictest0-21swapper/309:34:103
26859991111,0cyclictest0-21swapper/308:44:203
26859991110,0cyclictest16969-21cp11:43:243
26859991110,0cyclictest0-21swapper/312:16:493
26859991110,0cyclictest0-21swapper/312:11:013
26859991110,0cyclictest0-21swapper/311:28:573
26859991110,0cyclictest0-21swapper/310:06:153
2685999110,0cyclictest16540-21bash10:04:573
2685999110,0cyclictest0-21swapper/311:11:323
2685999110,0cyclictest0-21swapper/307:36:583
26858991111,0cyclictest0-21swapper/211:18:342
26858991111,0cyclictest0-21swapper/210:45:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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