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2026-08-14 - 11:58
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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 Fri Aug 14, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750640,0irq/25-eth00-21swapper/319:05:223
112750610,0irq/25-eth00-21swapper/119:05:361
9950480,0irq/24-0000:00:0-21swapper/019:05:240
120650440,0irq/26-eth1-rx-0-21swapper/219:06:232
2767299170,0cyclictest0-21swapper/122:30:471
2767299170,0cyclictest0-21swapper/100:28:091
2767399160,0cyclictest0-21swapper/223:25:172
27674991512,0cyclictest0-21swapper/300:13:333
2767499150,0cyclictest0-21swapper/320:20:203
27673991514,0cyclictest0-21swapper/221:51:282
2767399150,0cyclictest0-21swapper/223:40:172
2767399150,0cyclictest0-21swapper/223:05:562
2767399150,0cyclictest0-21swapper/221:10:132
2767299151,0cyclictest0-21swapper/123:41:201
271150,0ktimersoftd/210837-21sshd21:33:072
27674991413,0cyclictest7230-21sshd22:54:203
27674991413,0cyclictest6870-21netstat00:20:183
2767499140,0cyclictest18593-21ipmi_temp00:05:193
27673991413,0cyclictest2958-21sshd00:28:042
27673991413,0cyclictest0-21swapper/222:47:342
2767399140,0cyclictest0-21swapper/222:52:492
27672991412,0cyclictest0-21swapper/123:12:181
27671991413,0cyclictest0-21swapper/000:03:150
2767199140,0cyclictest0-21swapper/022:57:370
2767199140,0cyclictest0-21swapper/022:37:230
41130,0ktimersoftd/00-21swapper/019:45:140
27674991312,0cyclictest0-21swapper/323:01:083
27674991312,0cyclictest0-21swapper/322:33:183
27674991312,0cyclictest0-21swapper/321:23:513
2767499130,0cyclictest0-21swapper/323:24:453
27673991312,0cyclictest25742-21sshd23:00:352
27673991312,0cyclictest0-21swapper/200:24:422
27673991311,0cyclictest0-21swapper/223:38:552
27673991311,0cyclictest0-21swapper/222:34:272
2767399130,0cyclictest0-21swapper/222:55:202
27672991311,0cyclictest21536-21sshd22:47:531
27672991311,0cyclictest19581-21diskmemload22:12:291
27671991312,0cyclictest13798-21sshd22:01:590
27671991312,0cyclictest0-21swapper/022:06:580
2767199130,0cyclictest0-21swapper/023:44:120
2767199130,0cyclictest0-21swapper/022:50:130
191130,0ktimersoftd/10-21swapper/121:20:331
9950120,0irq/24-0000:00:0-21swapper/321:47:333
2767499123,0cyclictest0-21swapper/320:15:153
27674991212,0cyclictest0-21swapper/323:59:503
27674991212,0cyclictest0-21swapper/300:29:073
27674991211,0cyclictest24765-21sshd21:14:393
27674991211,0cyclictest0-21swapper/322:14:093
27674991211,0cyclictest0-21swapper/321:59:103
2767499120,0cyclictest0-21swapper/323:45:413
2767499120,0cyclictest0-21swapper/323:17:413
2767499120,0cyclictest0-21swapper/322:26:133
2767499120,0cyclictest0-21swapper/321:54:583
2767499120,0cyclictest0-21swapper/319:35:133
27673991211,0cyclictest29577-21sshd22:04:022
27673991211,0cyclictest0-21swapper/223:55:532
27673991210,0cyclictest0-21swapper/223:14:032
27673991210,0cyclictest0-21swapper/221:29:312
27673991210,0cyclictest0-21swapper/200:08:542
2767399120,0cyclictest0-21swapper/222:35:302
2767399120,0cyclictest0-21swapper/221:47:182
2767399120,0cyclictest0-21swapper/220:25:142
27672991211,0cyclictest0-21swapper/121:53:051
27672991211,0cyclictest0-21swapper/121:16:421
27672991211,0cyclictest0-21swapper/100:18:021
2767299121,0cyclictest112750irq/25-eth023:21:291
27672991210,0cyclictest0-21swapper/122:55:001
27672991210,0cyclictest0-21swapper/121:00:191
27672991210,0cyclictest0-21swapper/120:53:071
27672991210,0cyclictest0-21swapper/120:43:361
27672991210,0cyclictest0-21swapper/120:08:381
27672991210,0cyclictest0-21swapper/120:08:381
27672991210,0cyclictest0-21swapper/100:14:411
2767299120,0cyclictest19581-21diskmemload00:32:341
2767299120,0cyclictest0-21swapper/121:32:091
2767299120,0cyclictest0-21swapper/100:21:251
27671991211,0cyclictest19549-21bash00:30:120
27671991211,0cyclictest0-21swapper/023:26:110
27671991211,0cyclictest0-21swapper/022:11:570
27671991210,0cyclictest0-21swapper/021:25:230
27671991210,0cyclictest0-21swapper/021:24:190
2767199120,0cyclictest0-21swapper/023:45:150
2767199120,0cyclictest0-21swapper/023:30:230
2767199120,0cyclictest0-21swapper/023:17:010
2767199120,0cyclictest0-21swapper/023:06:480
2767199120,0cyclictest0-21swapper/000:16:430
112750120,0irq/25-eth05041-21sshd23:06:113
112750120,0irq/25-eth032293-21sshd00:15:172
112750120,0irq/25-eth00-21swapper/322:57:133
112750120,0irq/25-eth00-21swapper/321:26:373
112750120,0irq/25-eth00-21swapper/122:59:521
41110,0ktimersoftd/017998-21sshd22:30:590
41110,0ktimersoftd/00-21swapper/000:11:510
41110,0ktimersoftd/00-21swapper/000:07:310
27674991111,0cyclictest12641-21sshd00:16:563
27674991111,0cyclictest0-21swapper/322:19:073
27674991111,0cyclictest0-21swapper/322:09:083
27674991111,0cyclictest0-21swapper/322:01:153
27674991111,0cyclictest0-21swapper/321:30:563
27674991111,0cyclictest0-21swapper/300:36:543
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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