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2026-03-17 - 08:18
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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 Mar 17, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750650,0irq/25-eth00-21swapper/119:05:141
120650600,0irq/26-eth1-rx-0-21swapper/319:06:183
112750560,0irq/25-eth00-21swapper/219:07:212
2768924621,0sleep00-21swapper/019:08:410
27863991616,0cyclictest0-21swapper/321:18:273
2786399150,0cyclictest0-21swapper/323:03:083
27862991514,0cyclictest0-21swapper/222:20:152
27863991413,0cyclictest19765-21diskmemload22:28:163
27862991413,0cyclictest0-21swapper/222:30:482
2786299140,0cyclictest0-21swapper/200:20:212
27861991413,0cyclictest0-21swapper/122:16:491
27861991413,0cyclictest0-21swapper/121:47:331
27861991413,0cyclictest0-21swapper/121:47:331
27860991413,0cyclictest17664-21sshd22:22:060
27863991312,0cyclictest6976-21sshd22:03:383
27863991312,0cyclictest4241-21sshd22:11:473
27863991312,0cyclictest19765-21diskmemload22:47:343
27863991312,0cyclictest0-21swapper/322:57:113
27863991311,0cyclictest0-21swapper/323:47:513
27863991310,0cyclictest0-21swapper/321:20:403
27862991312,0cyclictest0-21swapper/223:27:312
27862991312,0cyclictest0-21swapper/222:38:292
2786299131,0cyclictest0-21swapper/223:11:222
27861991312,0cyclictest27490-21sshd22:44:421
27861991312,0cyclictest0-21swapper/123:40:151
27861991312,0cyclictest0-21swapper/100:14:161
2786199130,0cyclictest9392-21sshd22:50:391
27860991311,0cyclictest0-21swapper/022:55:490
27860991311,0cyclictest0-21swapper/022:38:170
2786099130,0cyclictest0-21swapper/000:15:210
112750130,0irq/25-eth00-21swapper/021:50:110
41120,0ktimersoftd/019780-21bash23:43:340
351120,0ktimersoftd/30-21swapper/321:11:153
27863991212,0cyclictest0-21swapper/322:17:563
27863991211,0cyclictest0-21swapper/322:37:543
27863991211,0cyclictest0-21swapper/300:18:103
27863991210,0cyclictest0-21swapper/323:58:173
27863991210,0cyclictest0-21swapper/300:12:433
2786399120,0cyclictest31776-21bash00:23:513
2786399120,0cyclictest0-21swapper/321:29:153
2786399120,0cyclictest0-21swapper/300:03:463
27862991211,0cyclictest17502-21rm22:56:012
27862991211,0cyclictest0-21swapper/223:36:412
27862991211,0cyclictest0-21swapper/222:26:382
27862991211,0cyclictest0-21swapper/221:17:512
27862991210,0cyclictest10416-21bash21:51:122
27862991210,0cyclictest0-21swapper/223:40:242
27862991210,0cyclictest0-21swapper/223:22:022
27862991210,0cyclictest0-21swapper/200:14:392
2786299120,0cyclictest28977-21sshd22:40:272
2786299120,0cyclictest1539-21sshd22:07:552
2786299120,0cyclictest0-21swapper/223:52:502
2786299120,0cyclictest0-21swapper/222:18:162
27861991212,0cyclictest0-21swapper/121:34:191
27861991211,0cyclictest0-21swapper/122:10:411
27861991211,0cyclictest0-21swapper/121:29:551
27861991211,0cyclictest0-21swapper/121:19:061
27861991211,0cyclictest0-21swapper/100:03:221
27861991210,0cyclictest0-21swapper/121:36:311
2786199120,0cyclictest19765-21diskmemload23:34:461
2786199120,0cyclictest0-21swapper/122:29:231
2786199120,0cyclictest0-21swapper/100:29:231
2786199120,0cyclictest0-21swapper/100:18:001
27860991212,0cyclictest0-21swapper/021:41:570
27860991211,0cyclictest6071-21bash21:46:210
27860991211,0cyclictest6071-21bash21:46:210
27860991211,0cyclictest26212-21bash00:14:270
27860991211,0cyclictest0-21swapper/022:49:530
27860991211,0cyclictest0-21swapper/022:15:510
27860991211,0cyclictest0-21swapper/021:55:240
27860991211,0cyclictest0-21swapper/021:30:120
27860991210,0cyclictest0-21swapper/021:28:410
27860991210,0cyclictest0-21swapper/021:10:480
2786099120,0cyclictest0-21swapper/023:50:530
2786099120,0cyclictest0-21swapper/023:36:280
2786099120,0cyclictest0-21swapper/023:20:050
2786099120,0cyclictest0-21swapper/023:12:530
2786099120,0cyclictest0-21swapper/022:26:260
2786099120,0cyclictest0-21swapper/022:07:430
2786099120,0cyclictest0-21swapper/000:27:490
112750120,0irq/25-eth06224-21munin-node00:20:200
112750120,0irq/25-eth031180-21sshd22:45:101
112750120,0irq/25-eth018-21rcuc/123:25:111
112750120,0irq/25-eth00-21swapper/300:09:413
112750120,0irq/25-eth00-21swapper/123:00:451
9950110,0irq/24-0000:00:0-21swapper/221:43:042
41110,0ktimersoftd/00-21swapper/023:30:200
41110,0ktimersoftd/00-21swapper/000:37:170
27863991111,0cyclictest0-21swapper/323:06:503
27863991110,0cyclictest8857-21sshd23:12:043
27863991110,0cyclictest0-21swapper/323:24:303
27863991110,0cyclictest0-21swapper/319:59:553
27863991110,0cyclictest0-21swapper/300:35:013
2786399110,0cyclictest27648-21sshd00:27:353
2786399110,0cyclictest14812-21sshd23:17:103
2786399110,0cyclictest0-21swapper/320:09:483
2786299119,0cyclictest0-21swapper/220:56:082
27862991111,0cyclictest0-21swapper/221:26:412
27862991111,0cyclictest0-21swapper/220:22:202
27862991111,0cyclictest0-21swapper/219:37:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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