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2026-04-19 - 14:26
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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 Sun Apr 19, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750610,0irq/25-eth00-21swapper/207:06:172
120650590,0irq/26-eth1-rx-0-21swapper/307:07:453
120650590,0irq/26-eth1-rx-0-21swapper/107:05:391
120650440,0irq/26-eth1-rx-0-21swapper/007:08:540
24525991513,0cyclictest0-21swapper/211:33:262
24525991512,0cyclictest0-21swapper/212:21:592
24526991413,0cyclictest2573-21sshd09:42:083
24526991413,0cyclictest10411-21sshd12:31:303
2452599140,0cyclictest23820-21sshd10:49:162
2452599140,0cyclictest0-21swapper/211:17:032
24524991413,0cyclictest16439-21diskmemload11:09:311
24523991413,0cyclictest30495-21sshd12:38:350
24523991413,0cyclictest0-21swapper/010:48:000
2452399141,0cyclictest16439-21diskmemload11:59:410
2452399140,0cyclictest0-21swapper/012:16:380
41130,0ktimersoftd/00-21swapper/010:38:030
24526991312,0cyclictest22282-21sshd09:53:173
24526991312,0cyclictest22282-21sshd09:53:173
24526991312,0cyclictest0-21swapper/309:34:003
24526991311,0cyclictest0-21swapper/310:46:073
2452699130,0cyclictest5724-21bash11:21:273
2452699130,0cyclictest0-21swapper/312:27:133
2452699130,0cyclictest0-21swapper/311:07:033
24525991311,0cyclictest0-21swapper/211:55:092
2452599130,0cyclictest0-21swapper/209:11:492
24524991312,0cyclictest16439-21diskmemload11:40:461
24524991311,0cyclictest0-21swapper/110:09:551
2452399139,0cyclictest24539-21sshd11:28:230
24523991312,0cyclictest16109-21sshd09:18:260
2452399130,0cyclictest0-21swapper/010:30:130
2452399130,0cyclictest0-21swapper/009:54:410
2452399130,0cyclictest0-21swapper/009:54:400
24526991211,0cyclictest30584-21sshd11:50:443
24526991211,0cyclictest0-21swapper/311:33:183
24526991211,0cyclictest0-21swapper/310:18:583
24526991211,0cyclictest0-21swapper/309:49:333
24526991210,0cyclictest16439-21diskmemload12:10:013
24526991210,0cyclictest16439-21diskmemload09:27:513
2452699120,0cyclictest0-21swapper/312:01:403
2452699120,0cyclictest0-21swapper/311:01:153
2452699120,0cyclictest0-21swapper/310:23:563
2452699120,0cyclictest0-21swapper/310:00:293
24525991211,0cyclictest29173-21sshd12:08:012
24525991211,0cyclictest0-21swapper/212:39:392
24525991211,0cyclictest0-21swapper/212:16:112
24525991211,0cyclictest0-21swapper/211:48:182
24525991211,0cyclictest0-21swapper/211:09:442
24525991211,0cyclictest0-21swapper/210:19:542
24525991210,0cyclictest0-21swapper/210:06:262
24525991210,0cyclictest0-21swapper/209:59:402
24525991210,0cyclictest0-21swapper/209:42:512
2452599120,0cyclictest0-21swapper/211:03:562
24524991212,0cyclictest0-21swapper/111:37:451
24524991212,0cyclictest0-21swapper/109:46:491
24524991211,0cyclictest1863-21bash10:33:231
24524991211,0cyclictest13783-21bash12:01:331
24524991211,0cyclictest0-21swapper/109:39:081
24524991211,0cyclictest0-21swapper/109:28:471
24524991210,0cyclictest0-21swapper/110:55:071
24524991210,0cyclictest0-21swapper/110:21:391
24524991210,0cyclictest0-21swapper/109:43:051
2452499120,0cyclictest0-21swapper/112:20:021
2452499120,0cyclictest0-21swapper/111:54:421
2452499120,0cyclictest0-21swapper/111:45:181
2452499120,0cyclictest0-21swapper/109:32:591
2452499120,0cyclictest0-21swapper/108:55:141
2452499120,0cyclictest0-21swapper/108:15:161
24523991212,0cyclictest0-21swapper/009:43:170
24523991211,0cyclictest8290-21bash11:21:480
24523991211,0cyclictest7206-21sshd11:08:410
24523991211,0cyclictest5795-21sshd09:12:470
24523991211,0cyclictest13181-21sshd09:39:210
24523991211,0cyclictest0-21swapper/010:13:360
24523991211,0cyclictest0-21swapper/010:03:230
24523991210,0cyclictest15755-21sshd09:22:380
2452399120,0cyclictest16439-21diskmemload10:05:080
2452399120,0cyclictest0-21swapper/012:29:460
2452399120,0cyclictest0-21swapper/012:20:560
2452399120,0cyclictest0-21swapper/010:58:350
2452399120,0cyclictest0-21swapper/010:44:350
112750120,0irq/25-eth01512-21bash12:34:462
112750120,0irq/25-eth00-21swapper/310:05:493
112750120,0irq/25-eth00-21swapper/309:15:253
271110,0ktimersoftd/20-21swapper/211:35:592
2452699119,0cyclictest0-21swapper/308:37:043
24526991111,0cyclictest25945-21sshd11:19:573
24526991111,0cyclictest0-21swapper/311:36:193
24526991111,0cyclictest0-21swapper/308:51:433
24526991111,0cyclictest0-21swapper/307:51:533
24526991110,0cyclictest23127-21bash12:07:103
24526991110,0cyclictest21240-21id12:37:183
24526991110,0cyclictest0-21swapper/312:19:533
24526991110,0cyclictest0-21swapper/311:45:233
24526991110,0cyclictest0-21swapper/310:42:393
24526991110,0cyclictest0-21swapper/310:13:583
24526991110,0cyclictest0-21swapper/309:56:593
2452699110,0cyclictest11497-21bash09:13:333
2452699110,0cyclictest0-21swapper/312:21:243
2452699110,0cyclictest0-21swapper/310:51:223
2452699110,0cyclictest0-21swapper/309:05:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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