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2026-04-21 - 17:57
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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 21, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650600,0irq/26-eth1-rx-0-21swapper/207:06:182
112750600,0irq/25-eth00-21swapper/307:08:003
112750600,0irq/25-eth00-21swapper/107:05:221
2338423925,0sleep00-21swapper/007:07:280
271180,0ktimersoftd/214505-21sshd11:54:262
2366099160,0cyclictest0-21swapper/208:15:172
2366099160,0cyclictest0-21swapper/208:10:182
2365899160,0cyclictest0-21swapper/009:39:120
2365899160,0cyclictest0-21swapper/009:31:180
23661991512,0cyclictest0-21swapper/312:04:333
23660991514,0cyclictest0-21swapper/209:10:262
23658991514,0cyclictest2478-21sshd12:14:310
23661991413,0cyclictest1232-21sshd11:00:183
23661991413,0cyclictest0-21swapper/309:15:033
2366199140,0cyclictest0-21swapper/310:30:213
2366099140,0cyclictest0-21swapper/212:37:402
2366099140,0cyclictest0-21swapper/210:06:402
2366099140,0cyclictest0-21swapper/208:05:142
23659991413,0cyclictest29406-21sshd10:12:051
23659991413,0cyclictest29406-21sshd10:12:041
2365999140,0cyclictest0-21swapper/110:52:511
23658991413,0cyclictest0-21swapper/011:54:040
2365899140,0cyclictest0-21swapper/008:20:170
2365899140,0cyclictest0-21swapper/008:15:190
351130,0ktimersoftd/32404-21sshd11:26:333
351130,0ktimersoftd/30-21swapper/311:22:153
23661991312,0cyclictest0-21swapper/312:12:123
23661991310,0cyclictest0-21swapper/311:15:313
23661991310,0cyclictest0-21swapper/310:00:353
2366199130,0cyclictest13973-21bash11:32:293
2366199130,0cyclictest0-21swapper/311:12:443
2366199130,0cyclictest0-21swapper/310:23:423
2366199130,0cyclictest0-21swapper/309:26:123
23660991312,0cyclictest7217-21sshd10:00:232
23660991312,0cyclictest0-21swapper/211:23:062
2366099130,0cyclictest27062-21sshd09:58:532
2366099130,0cyclictest0-21swapper/207:45:172
23658991312,0cyclictest0-21swapper/012:38:480
23658991312,0cyclictest0-21swapper/011:36:390
23658991310,0cyclictest0-21swapper/012:26:150
23658991310,0cyclictest0-21swapper/011:31:460
2365899130,0cyclictest0-21swapper/010:16:160
112750130,0irq/25-eth018163-21bash09:31:422
351120,0ktimersoftd/30-21swapper/312:33:353
271120,0ktimersoftd/20-21swapper/210:59:522
23661991211,0cyclictest0-21swapper/310:53:273
23661991211,0cyclictest0-21swapper/310:42:323
23661991211,0cyclictest0-21swapper/309:48:313
23661991211,0cyclictest0-21swapper/309:20:313
23661991210,0cyclictest0-21swapper/311:07:093
2366199120,0cyclictest15567-21diskmemload10:08:233
2366199120,0cyclictest0-21swapper/312:05:493
2366199120,0cyclictest0-21swapper/310:13:083
2366199120,0cyclictest0-21swapper/310:13:083
2366199120,0cyclictest0-21swapper/309:00:213
23660991211,0cyclictest32183-21sshd12:18:312
23660991211,0cyclictest21314-21sshd10:41:172
23660991211,0cyclictest0-21swapper/209:37:092
23660991210,0cyclictest0-21swapper/210:33:092
23660991210,0cyclictest0-21swapper/210:11:262
23660991210,0cyclictest0-21swapper/210:11:252
23660991210,0cyclictest0-21swapper/209:25:322
23660991210,0cyclictest0-21swapper/209:01:152
2366099120,0cyclictest32562-21bash11:08:562
2366099120,0cyclictest0-21swapper/210:53:432
2366099120,0cyclictest0-21swapper/210:29:052
2366099120,0cyclictest0-21swapper/210:17:562
2366099120,0cyclictest0-21swapper/207:15:122
23659991212,0cyclictest12726-21sshd09:26:391
23659991211,0cyclictest20880-21sshd12:21:151
23659991211,0cyclictest0-21swapper/111:38:161
23659991210,0cyclictest0-21swapper/110:15:201
23659991210,0cyclictest0-21swapper/108:30:541
2365999120,0cyclictest15189-21sshd10:05:481
2365999120,0cyclictest0-21swapper/112:28:551
2365999120,0cyclictest0-21swapper/111:23:261
23658991212,0cyclictest0-21swapper/010:26:210
23658991211,0cyclictest0-21swapper/010:21:020
23658991211,0cyclictest0-21swapper/010:09:440
23658991211,0cyclictest0-21swapper/009:27:220
23658991210,0cyclictest0-21swapper/011:55:210
23658991210,0cyclictest0-21swapper/011:21:400
23658991210,0cyclictest0-21swapper/011:04:420
2365899120,0cyclictest3657-21cp10:13:010
2365899120,0cyclictest3657-21cp10:13:010
2365899120,0cyclictest0-21swapper/011:45:220
2365899120,0cyclictest0-21swapper/009:41:100
2365899120,0cyclictest0-21swapper/009:17:560
2365899120,0cyclictest0-21swapper/007:30:160
112750120,0irq/25-eth018978-21sshd11:15:380
112750120,0irq/25-eth00-21swapper/211:11:292
112750120,0irq/25-eth00-21swapper/112:18:221
41110,0ktimersoftd/028356-21sshd09:50:190
271110,0ktimersoftd/20-21swapper/211:26:432
23661991111,0cyclictest0-21swapper/310:56:143
23661991111,0cyclictest0-21swapper/310:17:543
23661991110,0cyclictest1480-21nfsd12:22:353
23660991111,0cyclictest0-21swapper/211:39:082
23660991110,0cyclictest7560-21bash12:32:342
2366099110,0cyclictest0-21swapper/209:19:502
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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