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2026-04-28 - 18:31
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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 Tue Apr 28, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650610,0irq/26-eth1-rx-0-21swapper/107:05:581
120650600,0irq/26-eth1-rx-0-21swapper/307:06:423
2833824320,0sleep00-21swapper/007:05:400
112750410,0irq/25-eth00-21swapper/207:05:132
2875799200,0cyclictest10923-21sshd09:47:060
2876099180,0cyclictest4516-21cat07:25:133
2876099180,0cyclictest18399-21id12:27:293
2876099180,0cyclictest18399-21id12:27:283
2876099140,0cyclictest6481-21bash11:51:203
28759991413,0cyclictest0-21swapper/211:43:182
28759991411,0cyclictest0-21swapper/209:54:282
2875899140,0cyclictest2210-21sshd10:24:461
28757991411,0cyclictest0-21swapper/012:05:350
28760991312,0cyclictest0-21swapper/311:25:463
28760991312,0cyclictest0-21swapper/309:25:123
28760991312,0cyclictest0-21swapper/309:25:123
28760991311,0cyclictest5420-21sshd12:04:133
28760991311,0cyclictest0-21swapper/312:31:043
2876099130,0cyclictest0-21swapper/310:57:123
28759991311,0cyclictest0-21swapper/210:10:362
28759991310,0cyclictest11664-21sshd10:56:012
2875999130,0cyclictest0-21swapper/211:50:372
28758991312,0cyclictest28641-21sshd11:24:161
28758991312,0cyclictest0-21swapper/112:36:161
28758991312,0cyclictest0-21swapper/112:10:161
28758991312,0cyclictest0-21swapper/109:35:591
28757991312,0cyclictest20670-21diskmemload10:30:490
28757991312,0cyclictest17262-21sshd12:10:080
28757991312,0cyclictest0-21swapper/009:16:060
2875799130,0cyclictest0-21swapper/009:11:560
351120,0ktimersoftd/30-21swapper/311:34:163
28760991212,0cyclictest0-21swapper/309:14:383
28760991212,0cyclictest0-21swapper/308:40:223
28760991212,0cyclictest0-21swapper/307:20:123
28760991211,0cyclictest0-21swapper/311:49:503
28760991211,0cyclictest0-21swapper/310:18:383
28760991210,0cyclictest0-21swapper/311:35:253
28760991210,0cyclictest0-21swapper/309:56:343
28760991210,0cyclictest0-21swapper/309:18:493
2876099120,0cyclictest0-21swapper/311:59:563
2876099120,0cyclictest0-21swapper/308:25:223
28759991212,0cyclictest20670-21diskmemload10:31:452
28759991212,0cyclictest0-21swapper/211:35:592
28759991212,0cyclictest0-21swapper/209:28:192
28759991212,0cyclictest0-21swapper/209:28:192
28759991211,0cyclictest8726-21bash12:17:342
28759991211,0cyclictest0-21swapper/211:20:462
28759991211,0cyclictest0-21swapper/211:16:422
28759991211,0cyclictest0-21swapper/211:08:492
28759991211,0cyclictest0-21swapper/210:54:452
28759991211,0cyclictest0-21swapper/210:08:032
28759991211,0cyclictest0-21swapper/209:59:132
28759991211,0cyclictest0-21swapper/209:49:412
28759991210,0cyclictest0-21swapper/212:08:022
2875999120,0cyclictest1539-21sshd11:02:252
2875999120,0cyclictest10403-21sshd10:47:182
28758991212,0cyclictest0-21swapper/112:01:261
28758991211,0cyclictest26877-21sshd10:40:491
28758991211,0cyclictest191ktimersoftd/110:26:031
28758991211,0cyclictest0-21swapper/112:16:311
28758991211,0cyclictest0-21swapper/111:55:371
28758991211,0cyclictest0-21swapper/111:45:311
28758991211,0cyclictest0-21swapper/110:51:501
28758991211,0cyclictest0-21swapper/110:07:561
28758991211,0cyclictest0-21swapper/109:54:201
28758991210,0cyclictest0-21swapper/111:28:191
28758991210,0cyclictest0-21swapper/110:45:411
28758991210,0cyclictest0-21swapper/110:16:531
2875899120,0cyclictest0-21swapper/110:14:191
2875899120,0cyclictest0-21swapper/109:45:201
2875899120,0cyclictest0-21swapper/109:43:321
28757991212,0cyclictest0-21swapper/010:48:550
28757991212,0cyclictest0-21swapper/010:42:460
28757991211,0cyclictest0-21swapper/010:20:070
28757991211,0cyclictest0-21swapper/009:56:320
28757991210,0cyclictest0-21swapper/007:45:150
2875799120,0cyclictest0-21swapper/011:59:470
2875799120,0cyclictest0-21swapper/009:32:080
2875799120,0cyclictest0-21swapper/009:32:080
112750120,0irq/25-eth08197-21sshd11:04:180
112750120,0irq/25-eth00-21swapper/310:11:543
112750120,0irq/25-eth00-21swapper/111:42:431
351110,0ktimersoftd/30-21swapper/311:10:463
2876099119,0cyclictest0-21swapper/310:04:353
28760991111,0cyclictest0-21swapper/312:39:323
28760991111,0cyclictest0-21swapper/312:19:333
28760991111,0cyclictest0-21swapper/311:21:423
28760991111,0cyclictest0-21swapper/310:54:393
28760991110,0cyclictest0-21swapper/310:47:123
28760991110,0cyclictest0-21swapper/310:33:093
28760991110,0cyclictest0-21swapper/310:07:083
2876099110,0cyclictest0-21swapper/310:26:333
2876099110,0cyclictest0-21swapper/308:05:573
28759991111,0cyclictest0-21swapper/211:49:072
28759991111,0cyclictest0-21swapper/210:02:282
2875999111,0cyclictest0-21swapper/212:20:042
28759991110,0cyclictest30345-21sshd09:11:072
28759991110,0cyclictest2242-21sshd09:33:052
28759991110,0cyclictest2242-21sshd09:33:052
28759991110,0cyclictest20354-21users12:10:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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