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2026-03-22 - 14:06
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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 Sun Mar 22, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750650,0irq/25-eth00-21swapper/119:06:351
112750580,0irq/25-eth00-21swapper/319:08:563
120650460,0irq/26-eth1-rx-0-21swapper/219:06:042
112750440,0irq/25-eth00-21swapper/019:07:260
3015299170,0cyclictest0-21swapper/322:45:163
3015299170,0cyclictest0-21swapper/322:42:513
30152991615,0cyclictest3550-21cp22:24:153
3015299160,0cyclictest0-21swapper/319:20:173
30151991613,0cyclictest0-21swapper/222:57:482
3015199150,0cyclictest0-21swapper/222:34:482
30152991411,0cyclictest0-21swapper/321:59:383
3015199140,0cyclictest0-21swapper/200:13:042
30150991411,0cyclictest0-21swapper/122:36:591
3015099140,0cyclictest0-21swapper/121:27:401
3014999140,0cyclictest22050-21diskmemload22:35:020
3014999140,0cyclictest0-21swapper/022:46:260
112750140,0irq/25-eth00-21swapper/322:03:153
30152991312,0cyclictest112750irq/25-eth023:59:243
30152991312,0cyclictest0-21swapper/321:45:343
30152991312,0cyclictest0-21swapper/300:39:293
30152991310,0cyclictest0-21swapper/323:09:553
3015299130,0cyclictest112750irq/25-eth000:18:123
3015299130,0cyclictest0-21swapper/323:11:393
30151991312,0cyclictest13796-21munin-node20:50:142
30151991311,0cyclictest22050-21diskmemload00:38:312
30151991311,0cyclictest0-21swapper/223:18:292
30151991311,0cyclictest0-21swapper/222:38:302
3015199130,0cyclictest0-21swapper/200:09:072
30150991312,0cyclictest0-21swapper/123:56:141
30150991312,0cyclictest0-21swapper/121:19:321
3015099130,0cyclictest26907-21cp23:31:411
3015099130,0cyclictest26907-21cp23:31:411
3015099130,0cyclictest0-21swapper/122:29:331
30149991312,0cyclictest0-21swapper/023:58:130
30149991312,0cyclictest0-21swapper/000:01:560
30149991310,0cyclictest0-21swapper/021:24:450
41120,0ktimersoftd/00-21swapper/000:33:250
30152991211,0cyclictest22456-21sshd21:10:023
30152991210,0cyclictest0-21swapper/323:32:343
30152991210,0cyclictest0-21swapper/323:32:333
3015299120,0cyclictest0-21swapper/323:50:273
3015299120,0cyclictest0-21swapper/322:27:593
3015299120,0cyclictest0-21swapper/300:31:493
3015299120,0cyclictest0-21swapper/300:22:353
30151991211,0cyclictest13389-21sshd22:25:232
30151991211,0cyclictest0-21swapper/223:06:172
30151991210,0cyclictest12796-21sshd21:38:202
30151991210,0cyclictest0-21swapper/221:40:182
3015199120,0cyclictest4472-21bash23:11:292
3015199120,0cyclictest0-21swapper/223:36:222
3015199120,0cyclictest0-21swapper/223:29:102
3015199120,0cyclictest0-21swapper/222:13:042
30150991211,0cyclictest0-21swapper/121:11:371
30150991211,0cyclictest0-21swapper/100:24:411
30150991210,0cyclictest28948-21sshd21:53:201
30150991210,0cyclictest24000-21sshd22:48:231
30150991210,0cyclictest0-21swapper/123:20:271
30150991210,0cyclictest0-21swapper/123:20:261
3015099120,0cyclictest31257-21sshd21:49:221
3015099120,0cyclictest0-21swapper/123:15:121
3015099120,0cyclictest0-21swapper/122:42:421
3015099120,0cyclictest0-21swapper/122:24:061
3015099120,0cyclictest0-21swapper/122:17:571
3015099120,0cyclictest0-21swapper/100:26:401
30149991211,0cyclictest0-21swapper/023:22:130
30149991211,0cyclictest0-21swapper/023:22:120
30149991211,0cyclictest0-21swapper/023:11:450
30149991210,0cyclictest0-21swapper/023:41:500
30149991210,0cyclictest0-21swapper/022:44:270
30149991210,0cyclictest0-21swapper/021:54:370
3014999120,0cyclictest19424-21sshd22:04:570
3014999120,0cyclictest0-21swapper/022:09:090
191120,0ktimersoftd/117539-21sshd00:09:131
112750120,0irq/25-eth04332-21bash22:54:251
112750120,0irq/25-eth00-21swapper/300:26:073
112750120,0irq/25-eth00-21swapper/123:10:281
9950110,0irq/24-0000:00:0-21swapper/300:09:383
41110,0ktimersoftd/016773-21irqstats21:30:140
41110,0ktimersoftd/00-21swapper/000:06:300
30152991111,0cyclictest0-21swapper/323:01:253
30152991110,0cyclictest0-21swapper/322:56:133
30152991110,0cyclictest0-21swapper/321:43:363
30152991110,0cyclictest0-21swapper/321:16:113
3015299110,0cyclictest0-21swapper/322:16:083
3015299110,0cyclictest0-21swapper/319:11:253
30151991111,0cyclictest0-21swapper/223:50:452
30151991111,0cyclictest0-21swapper/221:34:232
30151991111,0cyclictest0-21swapper/221:05:062
30151991111,0cyclictest0-21swapper/220:47:482
30151991111,0cyclictest0-21swapper/219:50:042
30151991110,0cyclictest5076-21sshd23:20:132
30151991110,0cyclictest5076-21sshd23:20:122
30151991110,0cyclictest0-21swapper/222:44:122
30151991110,0cyclictest0-21swapper/200:32:352
3015199110,0cyclictest23753-21sshd00:22:572
3015199110,0cyclictest22124-21sshd21:52:242
3015199110,0cyclictest0-21swapper/220:38:162
3015199110,0cyclictest0-21swapper/220:09:492
30150991111,0cyclictest0-21swapper/123:10:001
30150991111,0cyclictest0-21swapper/122:03:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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