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2026-06-20 - 20:11
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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 Sat Jun 20, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650610,0irq/26-eth1-rx-0-21swapper/307:08:163
120650610,0irq/26-eth1-rx-0-21swapper/107:06:001
112750550,0irq/25-eth00-21swapper/207:08:222
9950370,0irq/24-0000:00:0-21swapper/007:05:160
2837699190,0cyclictest12336-21cut10:00:132
2837699160,0cyclictest0-21swapper/211:40:222
2837799150,0cyclictest0-21swapper/311:35:163
2837799150,0cyclictest0-21swapper/311:35:163
2837699150,0cyclictest0-21swapper/212:12:382
28375991512,0cyclictest5429-21sshd09:42:061
112750150,0irq/25-eth00-21swapper/212:04:302
28377991413,0cyclictest0-21swapper/310:43:323
28377991412,0cyclictest8341-21munin-node09:25:193
28376991413,0cyclictest0-21swapper/210:18:342
28376991411,0cyclictest20639-21sshd11:27:482
28375991412,0cyclictest0-21swapper/111:30:161
2837599140,0cyclictest0-21swapper/112:11:091
41130,0ktimersoftd/00-21swapper/012:13:510
28377991313,0cyclictest0-21swapper/311:04:183
28377991311,0cyclictest0-21swapper/311:44:383
2837799130,0cyclictest27913-21sshd10:10:523
2837799130,0cyclictest0-21swapper/307:35:173
28376991312,0cyclictest21526-21sshd10:23:062
28376991312,0cyclictest0-21swapper/209:27:202
2837699130,0cyclictest22546-21sshd11:58:212
2837699130,0cyclictest0-21swapper/209:23:242
28375991312,0cyclictest20531-21sshd09:14:151
28375991312,0cyclictest20269-21diskmemload10:30:481
28375991312,0cyclictest0-21swapper/109:24:141
2837599130,0cyclictest0-21swapper/111:48:581
2837599130,0cyclictest0-21swapper/110:22:541
28374991312,0cyclictest0-21swapper/011:42:220
2837499130,0cyclictest32080-21sshd09:20:030
2837499130,0cyclictest0-21swapper/011:35:310
2837499130,0cyclictest0-21swapper/011:35:300
41120,0ktimersoftd/010352-21sshd11:17:470
41120,0ktimersoftd/010352-21sshd11:17:460
28377991211,0cyclictest0-21swapper/311:08:163
28377991211,0cyclictest0-21swapper/310:26:403
28377991211,0cyclictest0-21swapper/309:20:203
28377991210,0cyclictest0-21swapper/309:16:233
2837799120,0cyclictest0-21swapper/311:51:293
2837799120,0cyclictest0-21swapper/309:37:113
28376991211,0cyclictest3885-21sshd09:59:102
28376991211,0cyclictest14226-21sshd10:09:102
28376991211,0cyclictest0-21swapper/211:03:522
28376991211,0cyclictest0-21swapper/210:27:032
28376991211,0cyclictest0-21swapper/210:14:092
28376991210,0cyclictest0-21swapper/211:31:462
2837699120,0cyclictest21684-21bash12:28:332
2837699120,0cyclictest0-21swapper/211:54:252
2837699120,0cyclictest0-21swapper/210:41:002
2837699120,0cyclictest0-21swapper/210:36:002
2837699120,0cyclictest0-21swapper/209:17:212
28375991211,0cyclictest0-21swapper/111:51:521
28375991211,0cyclictest0-21swapper/110:08:571
28375991211,0cyclictest0-21swapper/109:55:011
28375991210,0cyclictest0-21swapper/111:55:501
28375991210,0cyclictest0-21swapper/110:26:511
28375991210,0cyclictest0-21swapper/109:51:041
2837599120,0cyclictest20269-21diskmemload09:15:161
2837599120,0cyclictest0-21swapper/111:27:221
28374991212,0cyclictest0-21swapper/009:50:020
28374991211,0cyclictest0-21swapper/009:14:010
28374991210,0cyclictest20269-21diskmemload10:55:470
28374991210,0cyclictest0-21swapper/011:46:180
28374991210,0cyclictest0-21swapper/010:31:510
2837499120,0cyclictest9152-21sshd11:04:430
2837499120,0cyclictest25099-21sshd10:27:540
112750120,0irq/25-eth05799-21sshd11:08:331
112750120,0irq/25-eth00-21swapper/312:27:373
112750120,0irq/25-eth00-21swapper/009:45:340
41110,0ktimersoftd/00-21swapper/008:40:200
28377991111,0cyclictest0-21swapper/311:58:193
28377991111,0cyclictest0-21swapper/311:28:003
28377991111,0cyclictest0-21swapper/310:30:373
28377991111,0cyclictest0-21swapper/310:05:523
28377991111,0cyclictest0-21swapper/308:49:183
28377991111,0cyclictest0-21swapper/308:17:503
28377991111,0cyclictest0-21swapper/307:49:303
28377991110,0cyclictest20116-21sshd09:56:563
28377991110,0cyclictest12149-21bash11:30:553
28377991110,0cyclictest0-21swapper/311:47:313
28377991110,0cyclictest0-21swapper/311:12:133
28377991110,0cyclictest0-21swapper/311:12:123
2837799110,0cyclictest0-21swapper/312:14:283
2837799110,0cyclictest0-21swapper/308:29:063
2837799110,0cyclictest0-21swapper/308:00:313
2837799110,0cyclictest0-21swapper/307:24:453
2837799110,0cyclictest0-21swapper/307:19:463
28376991111,0cyclictest9950irq/24-0000:00:09:32:202
28376991111,0cyclictest0-21swapper/209:46:172
28376991111,0cyclictest0-21swapper/209:37:202
28376991110,0cyclictest5700-21sshd11:12:492
28376991110,0cyclictest5700-21sshd11:12:492
28376991110,0cyclictest20269-21diskmemload09:50:142
28376991110,0cyclictest0-21swapper/212:16:222
28376991110,0cyclictest0-21swapper/211:22:492
28376991110,0cyclictest0-21swapper/211:17:492
28376991110,0cyclictest0-21swapper/211:17:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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