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2026-04-18 - 07:18
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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 Sat Apr 18, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650650,0irq/26-eth1-rx-0-21swapper/319:06:193
112750620,0irq/25-eth00-21swapper/219:08:142
120650600,0irq/26-eth1-rx-0-21swapper/119:09:171
279424522,0sleep00-21swapper/019:09:380
289099190,0cyclictest0-21swapper/223:38:482
289199180,0cyclictest0-21swapper/300:12:343
289099180,0cyclictest0-21swapper/223:19:532
289099172,0cyclictest0-21swapper/223:20:462
112750170,0irq/25-eth00-21swapper/221:54:182
289199160,0cyclictest0-21swapper/320:35:123
289099160,0cyclictest0-21swapper/223:32:592
351150,0ktimersoftd/30-21swapper/322:04:133
289099151,0cyclictest0-21swapper/222:39:272
2888991514,0cyclictest0-21swapper/022:56:010
2891991413,0cyclictest0-21swapper/321:20:533
289099140,0cyclictest0-21swapper/200:19:002
2888991413,0cyclictest0-21swapper/023:31:190
2888991412,0cyclictest0-21swapper/000:23:500
112750140,0irq/25-eth00-21swapper/023:39:330
2891991312,0cyclictest0-21swapper/323:50:173
2891991312,0cyclictest0-21swapper/322:54:033
2891991312,0cyclictest0-21swapper/321:51:533
2891991312,0cyclictest0-21swapper/321:16:283
2891991311,0cyclictest0-21swapper/323:34:213
289199130,0cyclictest0-21swapper/323:46:473
289199130,0cyclictest0-21swapper/321:55:373
289199130,0cyclictest0-21swapper/300:08:383
2890991312,0cyclictest0-21swapper/221:44:082
2890991311,0cyclictest0-21swapper/222:29:192
2890991311,0cyclictest0-21swapper/200:05:102
2890991310,0cyclictest0-21swapper/221:16:082
289099130,0cyclictest12983-21sshd23:46:482
2889991313,0cyclictest0-21swapper/122:09:121
2889991311,0cyclictest0-21swapper/121:14:571
288999130,0cyclictest25360-21sshd22:48:141
288999130,0cyclictest112750irq/25-eth000:07:001
2888991311,0cyclictest0-21swapper/021:40:500
288899130,0cyclictest13904-21sshd00:25:480
112750130,0irq/25-eth016860-21sshd22:04:051
2891991212,0cyclictest0-21swapper/300:26:093
2891991211,0cyclictest2242-21sshd22:32:123
2891991211,0cyclictest0-21swapper/323:55:443
2891991210,0cyclictest0-21swapper/322:37:403
2891991210,0cyclictest0-21swapper/319:15:313
2891991210,0cyclictest0-21swapper/300:35:483
289199120,0cyclictest0-21swapper/322:43:073
289199120,0cyclictest0-21swapper/300:04:543
2890991211,0cyclictest29874-21sshd23:57:442
2890991211,0cyclictest0-21swapper/223:05:492
2890991211,0cyclictest0-21swapper/222:47:412
2890991210,0cyclictest24828-21bash22:05:102
2890991210,0cyclictest0-21swapper/221:55:452
2890991210,0cyclictest0-21swapper/200:01:262
289099120,0cyclictest31698-21sshd22:53:232
289099120,0cyclictest0-21swapper/222:42:502
289099120,0cyclictest0-21swapper/222:17:072
289099120,0cyclictest0-21swapper/219:40:152
2889991211,0cyclictest3724-21sshd21:36:341
2889991211,0cyclictest0-21swapper/122:44:321
2889991211,0cyclictest0-21swapper/100:28:291
2889991210,0cyclictest10333-21sshd22:59:091
2889991210,0cyclictest0-21swapper/123:00:541
2889991210,0cyclictest0-21swapper/122:20:561
2889991210,0cyclictest0-21swapper/100:32:271
288999120,0cyclictest0-21swapper/123:54:061
288999120,0cyclictest0-21swapper/122:35:201
288999120,0cyclictest0-21swapper/122:29:531
2888991211,0cyclictest0-21swapper/023:45:440
2888991211,0cyclictest0-21swapper/022:29:580
2888991210,0cyclictest16008-21sshd22:21:020
2888991210,0cyclictest1480-21nfsd23:10:100
2888991210,0cyclictest0-21swapper/000:33:410
288899120,0cyclictest0-21swapper/023:56:430
288899120,0cyclictest0-21swapper/023:26:050
288899120,0cyclictest0-21swapper/021:34:270
288899120,0cyclictest0-21swapper/000:17:530
288899120,0cyclictest0-21swapper/000:02:190
191120,0ktimersoftd/127231-21diskmemload23:27:021
191120,0ktimersoftd/10-21swapper/123:41:131
191120,0ktimersoftd/10-21swapper/122:31:231
112750120,0irq/25-eth027152-21sshd22:52:450
112750120,0irq/25-eth00-21swapper/123:47:221
112750120,0irq/25-eth00-21swapper/100:10:361
112750120,0irq/25-eth00-21swapper/023:50:460
41110,0ktimersoftd/013267-21cp00:08:300
2891991111,0cyclictest0-21swapper/322:18:163
2891991110,0cyclictest13538-21sshd23:08:083
289199110,0cyclictest0-21swapper/322:08:163
289199110,0cyclictest0-21swapper/320:16:233
289199110,0cyclictest0-21swapper/320:07:213
2890991111,0cyclictest0-21swapper/223:41:222
2890991111,0cyclictest0-21swapper/221:39:572
2890991110,0cyclictest4540-21sshd21:28:142
2890991110,0cyclictest0-21swapper/221:13:562
2890991110,0cyclictest0-21swapper/200:36:322
289099110,0cyclictest30317-21sshd23:14:442
289099110,0cyclictest0-21swapper/221:48:192
289099110,0cyclictest0-21swapper/219:55:102
289099110,0cyclictest0-21swapper/219:30:542
2889991111,0cyclictest0-21swapper/120:00:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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