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2026-08-26 - 02:53
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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 Wed Aug 26, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750680,0irq/25-eth00-21swapper/319:05:223
120650670,0irq/26-eth1-rx-0-21swapper/119:05:171
120750580,0irq/27-eth1-tx-0-21swapper/019:07:040
9950410,0irq/24-0000:00:0-21swapper/219:05:462
41160,0ktimersoftd/07140-21diskmemload21:21:250
1518799162,0cyclictest14509-21bash22:02:392
15186991514,0cyclictest0-21swapper/123:43:161
1518599150,0cyclictest0-21swapper/023:02:470
15188991414,0cyclictest0-21swapper/322:10:123
15188991413,0cyclictest0-21swapper/323:30:143
15188991412,0cyclictest34-21rcuc/323:23:233
15188991412,0cyclictest26645-21bash21:56:363
15187991413,0cyclictest23306-21sshd22:40:492
15187991411,0cyclictest0-21swapper/222:23:452
15186991413,0cyclictest0-21swapper/121:37:261
15186991411,0cyclictest2336-21bash22:23:341
1518699140,0cyclictest0-21swapper/122:05:061
15185991413,0cyclictest1329-21cp23:56:460
191130,0ktimersoftd/10-21swapper/123:56:231
15188991311,0cyclictest0-21swapper/323:41:023
1518899130,0cyclictest0-21swapper/323:27:203
1518899130,0cyclictest0-21swapper/323:16:043
1518899130,0cyclictest0-21swapper/323:01:263
15187991312,0cyclictest0-21swapper/223:44:432
15187991312,0cyclictest0-21swapper/223:37:512
15187991312,0cyclictest0-21swapper/200:20:012
15187991311,0cyclictest6056-21sshd21:28:202
15187991310,0cyclictest31006-21sshd23:56:272
1518799130,0cyclictest0-21swapper/221:40:462
1518799130,0cyclictest0-21swapper/200:15:152
1518799130,0cyclictest0-21swapper/200:04:002
15186991312,0cyclictest3305-21bash00:37:581
15185991312,0cyclictest18941-21sshd21:37:090
1518599130,0cyclictest13470-21bash21:40:150
1518599130,0cyclictest0-21swapper/022:48:430
112750130,0irq/25-eth032568-21sshd00:00:193
112750130,0irq/25-eth00-21swapper/100:09:311
9950120,0irq/24-0000:00:385-21sshd22:45:383
41120,0ktimersoftd/06802-21latency_hist20:00:000
15188991212,0cyclictest0-21swapper/322:30:323
15188991212,0cyclictest0-21swapper/321:36:313
15188991211,0cyclictest112750irq/25-eth023:55:573
15188991211,0cyclictest0-21swapper/322:56:333
15188991211,0cyclictest0-21swapper/321:25:223
15188991211,0cyclictest0-21swapper/321:13:103
15188991211,0cyclictest0-21swapper/300:16:573
15188991210,0cyclictest25612-21sshd00:21:563
15188991210,0cyclictest0-21swapper/323:53:363
15188991210,0cyclictest0-21swapper/321:51:023
1518899120,0cyclictest19486-21irqstats23:10:153
1518899120,0cyclictest0-21swapper/322:50:313
1518899120,0cyclictest0-21swapper/322:44:283
1518899120,0cyclictest0-21swapper/321:24:183
15187991211,0cyclictest0-21swapper/223:10:472
15187991210,0cyclictest2273-21sshd22:57:052
15187991210,0cyclictest0-21swapper/221:35:032
1518799120,0cyclictest32303-21sshd22:08:252
1518799120,0cyclictest1484-21sshd22:30:502
15186991211,0cyclictest3025-21bash23:45:411
15186991211,0cyclictest30141-21rm21:27:211
15186991211,0cyclictest25102-21sshd22:59:481
15186991211,0cyclictest21261-21cp23:21:391
15186991211,0cyclictest0-21swapper/122:44:351
15186991211,0cyclictest0-21swapper/122:34:361
15186991211,0cyclictest0-21swapper/121:40:491
15186991210,0cyclictest0-21swapper/121:22:551
15186991210,0cyclictest0-21swapper/100:32:451
15186991210,0cyclictest0-21swapper/100:29:361
15186991210,0cyclictest0-21swapper/100:18:341
1518699120,0cyclictest0-21swapper/123:35:131
1518699120,0cyclictest0-21swapper/123:25:361
1518699120,0cyclictest0-21swapper/123:14:201
1518699120,0cyclictest0-21swapper/121:49:521
1518699120,0cyclictest0-21swapper/100:13:341
15185991212,0cyclictest0-21swapper/000:16:050
15185991211,0cyclictest9102-21sshd22:57:540
15185991211,0cyclictest7140-21diskmemload22:26:380
15185991211,0cyclictest20797-21sshd21:48:330
15185991211,0cyclictest0-21swapper/023:23:550
15185991211,0cyclictest0-21swapper/000:10:020
1518599120,0cyclictest7140-21diskmemload23:50:030
1518599120,0cyclictest0-21swapper/023:36:490
1499120,0migration/06364-21bash00:27:090
112750120,0irq/25-eth00-21swapper/322:25:113
112750120,0irq/25-eth00-21swapper/321:44:323
112750120,0irq/25-eth00-21swapper/221:59:142
9950110,0irq/24-0000:00:31080-21sshd23:07:520
41110,0ktimersoftd/00-21swapper/023:25:570
15188991111,0cyclictest0-21swapper/323:46:233
15188991111,0cyclictest0-21swapper/322:22:233
15188991111,0cyclictest0-21swapper/320:25:383
15188991110,0cyclictest1719-21sshd22:38:263
15188991110,0cyclictest0-21swapper/321:47:393
15188991110,0cyclictest0-21swapper/321:00:163
1518899110,0cyclictest0-21swapper/319:40:203
1518799119,0cyclictest0-21swapper/221:31:422
1518799115,0cyclictest112750irq/25-eth022:26:552
1518799115,0cyclictest0-21swapper/221:16:312
15187991110,0cyclictest9930-21sshd00:09:002
15187991110,0cyclictest112750irq/25-eth000:11:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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