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2026-04-02 - 14:20
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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 02, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750660,0irq/25-eth00-21swapper/307:09:363
120650600,0irq/26-eth1-rx-0-21swapper/107:06:021
112750450,0irq/25-eth00-21swapper/007:06:020
112750420,0irq/25-eth00-21swapper/207:08:502
434499180,0cyclictest1480-21nfsd10:12:352
434299180,0cyclictest0-21swapper/010:15:370
351180,0ktimersoftd/36740-21cp10:12:353
434499150,0cyclictest0-21swapper/209:20:112
4342991514,0cyclictest32629-21bash09:41:400
4342991514,0cyclictest23845-21sshd10:31:590
4342991512,0cyclictest0-21swapper/009:48:190
434299150,0cyclictest0-21swapper/009:20:110
434599140,0cyclictest0-21swapper/309:37:323
4344991412,0cyclictest18727-21sshd09:35:302
434499140,0cyclictest316-21sshd10:07:272
434399140,0cyclictest19349-21sshd09:27:061
434499131,0cyclictest0-21swapper/210:16:172
4343991312,0cyclictest16313-21sshd11:18:231
4343991312,0cyclictest12561-21netstat12:05:191
4343991312,0cyclictest0-21swapper/111:48:071
4343991312,0cyclictest0-21swapper/109:53:351
434399130,0cyclictest26622-21bash12:15:471
434399130,0cyclictest18426-21diskmemload10:03:551
4342991312,0cyclictest29677-21sshd09:37:030
4342991312,0cyclictest0-21swapper/011:42:300
4342991311,0cyclictest23969-21sshd12:15:230
4342991311,0cyclictest0-21swapper/011:07:180
4342991311,0cyclictest0-21swapper/010:00:240
434299130,0cyclictest0-21swapper/009:11:500
351130,0ktimersoftd/322617-21sshd11:58:053
112750130,0irq/25-eth06938-21sshd11:55:541
112750130,0irq/25-eth019761-21sshd10:31:263
4345991211,0cyclictest32119-21sshd12:12:173
4345991211,0cyclictest15678-21sshd09:52:173
4345991211,0cyclictest0-21swapper/311:10:073
4345991210,0cyclictest0-21swapper/310:21:473
434599120,0cyclictest19925-21sshd09:44:233
434599120,0cyclictest0-21swapper/312:28:253
4344991212,0cyclictest0-21swapper/211:31:122
4344991211,0cyclictest9949-21bash09:47:162
4344991211,0cyclictest0-21swapper/210:37:392
4344991211,0cyclictest0-21swapper/210:24:112
4344991211,0cyclictest0-21swapper/209:16:072
4344991211,0cyclictest0-21swapper/207:45:152
434499121,0cyclictest271ktimersoftd/209:33:182
4344991210,0cyclictest0-21swapper/209:54:542
4344991210,0cyclictest0-21swapper/208:07:552
434499120,0cyclictest0-21swapper/211:24:432
4343991212,0cyclictest0-21swapper/112:21:001
4343991212,0cyclictest0-21swapper/111:34:391
4343991212,0cyclictest0-21swapper/111:26:241
4343991212,0cyclictest0-21swapper/109:49:381
4343991211,0cyclictest18-21rcuc/111:13:381
4343991211,0cyclictest0-21swapper/110:31:071
4343991211,0cyclictest0-21swapper/109:17:261
4343991210,0cyclictest0-21swapper/111:06:111
434399120,0cyclictest0-21swapper/110:41:201
434399120,0cyclictest0-21swapper/109:36:241
4342991212,0cyclictest0-21swapper/011:56:120
4342991212,0cyclictest0-21swapper/010:43:570
434299120,0cyclictest11888-21sshd12:22:350
434299120,0cyclictest0-21swapper/011:21:010
434299120,0cyclictest0-21swapper/010:06:470
434299120,0cyclictest0-21swapper/009:05:200
41120,0ktimersoftd/00-21swapper/009:34:200
351120,0ktimersoftd/30-21swapper/310:16:553
112750120,0irq/25-eth018426-21diskmemload12:30:031
112750120,0irq/25-eth00-21swapper/309:55:533
112750120,0irq/25-eth00-21swapper/012:36:420
112750120,0irq/25-eth00-21swapper/011:03:070
434599119,0cyclictest0-21swapper/308:39:123
4345991111,0cyclictest0-21swapper/312:36:053
4345991111,0cyclictest0-21swapper/311:43:063
4345991111,0cyclictest0-21swapper/311:33:073
4345991111,0cyclictest0-21swapper/310:50:153
4345991110,0cyclictest0-21swapper/311:23:223
4345991110,0cyclictest0-21swapper/311:06:243
4345991110,0cyclictest0-21swapper/310:02:243
434599110,0cyclictest0-21swapper/309:00:283
434599110,0cyclictest0-21swapper/307:39:593
434499119,0cyclictest0-21swapper/212:10:362
434499119,0cyclictest0-21swapper/210:47:532
434499118,0cyclictest0-21swapper/209:25:302
4344991111,0cyclictest0-21swapper/212:38:222
4344991111,0cyclictest0-21swapper/211:16:412
4344991111,0cyclictest0-21swapper/208:57:312
4344991110,0cyclictest9521-21sshd11:47:432
4344991110,0cyclictest7740-21sshd12:22:002
4344991110,0cyclictest5595-21sshd11:04:012
4344991110,0cyclictest25817-21sshd11:41:122
4344991110,0cyclictest21105-21sshd12:15:092
4344991110,0cyclictest0-21swapper/212:26:452
4344991110,0cyclictest0-21swapper/212:05:212
4344991110,0cyclictest0-21swapper/211:56:392
4344991110,0cyclictest0-21swapper/211:07:442
4344991110,0cyclictest0-21swapper/209:40:092
4344991110,0cyclictest0-21swapper/208:20:412
434499110,0cyclictest0-21swapper/211:37:582
434499110,0cyclictest0-21swapper/208:49:512
434499110,0cyclictest0-21swapper/208:44:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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