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2026-07-15 - 01:56
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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 Jul 14, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650650,0irq/26-eth1-rx-0-21swapper/107:09:561
112750630,0irq/25-eth00-21swapper/307:09:553
112750550,0irq/25-eth00-21swapper/207:06:562
368924320,0sleep00-21swapper/007:08:120
271180,0ktimersoftd/218176-21sshd11:46:452
3909991514,0cyclictest0-21swapper/009:27:210
390999150,0cyclictest0-21swapper/009:34:110
3912991413,0cyclictest0-21swapper/312:12:163
3912991412,0cyclictest0-21swapper/310:53:103
391299140,0cyclictest0-21swapper/309:23:573
3911991411,0cyclictest0-21swapper/212:25:382
3911991411,0cyclictest0-21swapper/211:29:382
3910991412,0cyclictest0-21swapper/109:40:511
41130,0ktimersoftd/00-21swapper/011:28:380
3912991312,0cyclictest0-21swapper/311:07:553
3912991311,0cyclictest0-21swapper/310:01:353
391299130,0cyclictest0-21swapper/312:21:563
3911991312,0cyclictest21693-21bash10:47:072
3911991312,0cyclictest0-21swapper/212:36:052
3911991312,0cyclictest0-21swapper/212:05:472
3911991312,0cyclictest0-21swapper/210:44:132
3911991312,0cyclictest0-21swapper/210:25:452
3911991312,0cyclictest0-21swapper/209:53:342
3911991312,0cyclictest0-21swapper/209:38:002
3911991312,0cyclictest0-21swapper/209:15:342
3911991312,0cyclictest0-21swapper/207:30:142
3911991311,0cyclictest0-21swapper/210:00:252
391199130,0cyclictest0-21swapper/212:32:372
391199130,0cyclictest0-21swapper/211:56:572
391199130,0cyclictest0-21swapper/211:50:472
391199130,0cyclictest0-21swapper/211:11:242
391199130,0cyclictest0-21swapper/211:11:242
3910991312,0cyclictest28213-21diskmemload12:20:511
3910991311,0cyclictest28213-21diskmemload11:10:051
3910991311,0cyclictest28213-21diskmemload11:10:051
3910991311,0cyclictest14899-21sshd09:16:351
3910991311,0cyclictest0-21swapper/111:20:391
391099130,0cyclictest0-21swapper/110:36:171
3909991312,0cyclictest16687-21sshd11:55:150
3909991312,0cyclictest0-21swapper/012:23:070
3909991310,0cyclictest13069-21sshd10:58:530
390999130,0cyclictest0-21swapper/011:04:420
390999130,0cyclictest0-21swapper/009:17:360
112750130,0irq/25-eth00-21swapper/009:49:040
41120,0ktimersoftd/03768-21sshd11:44:570
41120,0ktimersoftd/00-21swapper/009:52:440
3912991211,0cyclictest4910-21sshd10:10:323
3912991211,0cyclictest28416-21sshd09:56:353
3912991211,0cyclictest11708-21sshd11:58:553
3912991211,0cyclictest0-21swapper/311:50:543
3912991211,0cyclictest0-21swapper/311:30:203
3912991211,0cyclictest0-21swapper/310:15:313
3912991210,0cyclictest0-21swapper/311:17:403
3912991210,0cyclictest0-21swapper/309:27:533
391299120,0cyclictest504-21sshd12:36:053
391299120,0cyclictest0-21swapper/311:27:263
391299120,0cyclictest0-21swapper/309:35:483
3911991212,0cyclictest0-21swapper/211:37:182
3911991211,0cyclictest24838-21sshd12:17:512
3911991211,0cyclictest0-21swapper/212:13:332
3911991211,0cyclictest0-21swapper/211:19:052
3911991211,0cyclictest0-21swapper/209:25:212
3911991210,0cyclictest0-21swapper/209:22:262
391199120,0cyclictest0-21swapper/211:21:582
391199120,0cyclictest0-21swapper/211:08:302
391199120,0cyclictest0-21swapper/207:45:192
3910991212,0cyclictest0-21swapper/110:05:091
3910991211,0cyclictest0-21swapper/110:47:541
3910991211,0cyclictest0-21swapper/109:22:241
3910991210,0cyclictest0-21swapper/107:10:121
391099120,0cyclictest0-21swapper/112:04:271
391099120,0cyclictest0-21swapper/111:58:191
391099120,0cyclictest0-21swapper/111:52:081
391099120,0cyclictest0-21swapper/111:35:591
391099120,0cyclictest0-21swapper/111:15:541
3909991211,0cyclictest28213-21diskmemload12:30:530
3909991211,0cyclictest28213-21diskmemload10:20:530
3909991211,0cyclictest0-21swapper/012:37:520
3909991211,0cyclictest0-21swapper/012:14:320
3909991211,0cyclictest0-21swapper/011:47:000
3909991211,0cyclictest0-21swapper/010:08:140
3909991210,0cyclictest0-21swapper/010:02:260
390999120,0cyclictest16612-21sshd12:08:090
390999120,0cyclictest0-21swapper/011:39:190
390999120,0cyclictest0-21swapper/010:27:450
390999120,0cyclictest0-21swapper/010:15:060
351120,0ktimersoftd/310921-21bash09:54:223
271120,0ktimersoftd/20-21swapper/209:48:142
112750120,0irq/25-eth011881-21cp11:20:130
112750120,0irq/25-eth00-21swapper/210:38:592
112750120,0irq/25-eth00-21swapper/209:41:282
112750120,0irq/25-eth00-21swapper/010:46:320
112750120,0irq/25-eth00-21swapper/009:20:550
41110,0ktimersoftd/017515-21grep07:35:170
391299110,0cyclictest17945-21bash10:42:213
3911991111,0cyclictest0-21swapper/210:50:012
3911991111,0cyclictest0-21swapper/208:41:262
391199111,0cyclictest112750irq/25-eth012:00:222
3911991110,0cyclictest0-21swapper/212:22:092
3911991110,0cyclictest0-21swapper/210:13:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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