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2025-10-28 - 03:04
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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 Oct 28, 2025 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
117950640,0irq/26-eth1-rx-0-21swapper/119:07:421
110050630,0irq/25-eth00-21swapper/319:07:423
117950610,0irq/26-eth1-rx-0-21swapper/019:05:010
117950480,0irq/26-eth1-rx-0-21swapper/219:08:342
351180,0ktimersoftd/319664-21sshd22:33:283
754099170,0cyclictest0-21swapper/123:06:311
110050170,0irq/25-eth04617-21bash22:14:563
7542991615,0cyclictest4013-1kworker/3:2H23:25:063
7540991614,0cyclictest24853-21munin-run23:45:001
7539991615,0cyclictest0-21swapper/021:28:590
7542991514,0cyclictest0-21swapper/322:53:583
7542991514,0cyclictest0-21swapper/322:53:583
7542991413,0cyclictest5081-21id22:28:323
7541991413,0cyclictest0-21swapper/222:57:312
7541991413,0cyclictest0-21swapper/221:34:332
754199140,0cyclictest11838-21sshd22:32:382
7540991413,0cyclictest14439-21bash23:30:201
7540991413,0cyclictest0-21swapper/123:50:461
7540991412,0cyclictest7305-21sshd23:16:021
7539991413,0cyclictest0-21swapper/021:10:090
753999140,0cyclictest0-21swapper/023:03:050
753999140,0cyclictest0-21swapper/022:12:460
7542991312,0cyclictest0-21swapper/323:07:133
7542991312,0cyclictest0-21swapper/321:15:563
7542991311,0cyclictest13713-21bash23:16:443
7542991311,0cyclictest0-21swapper/300:33:243
754299130,0cyclictest0-21swapper/300:16:413
7541991312,0cyclictest0-21swapper/223:57:552
7541991312,0cyclictest0-21swapper/223:14:142
7540991312,0cyclictest0-21swapper/123:58:341
7540991312,0cyclictest0-21swapper/123:24:251
7540991312,0cyclictest0-21swapper/122:58:441
754099130,0cyclictest0-21swapper/121:41:431
7539991312,0cyclictest9639-21cp00:28:480
7539991312,0cyclictest31965-21sshd21:36:520
7539991312,0cyclictest0-21swapper/023:48:300
7539991312,0cyclictest0-21swapper/023:20:200
7539991312,0cyclictest0-21swapper/022:55:180
7539991312,0cyclictest0-21swapper/022:16:160
7539991312,0cyclictest0-21swapper/022:05:190
110050130,0irq/25-eth03518-21sshd23:52:453
110050130,0irq/25-eth028-21ksoftirqd/221:42:462
110050130,0irq/25-eth025481-21sshd00:01:452
110050130,0irq/25-eth00-21swapper/322:23:463
7542991212,0cyclictest478-21jbd2/dm-0-821:33:203
7542991211,0cyclictest21290-21sshd00:11:323
7542991211,0cyclictest110050irq/25-eth021:28:543
7542991211,0cyclictest0-21swapper/323:46:443
7542991211,0cyclictest0-21swapper/322:45:013
7542991210,0cyclictest0-21swapper/323:37:043
7542991210,0cyclictest0-21swapper/321:23:073
7542991210,0cyclictest0-21swapper/319:40:273
754299120,0cyclictest0-21swapper/300:04:073
754199129,0cyclictest0-21swapper/223:46:042
7541991211,0cyclictest5698-21switchtime22:35:222
7541991211,0cyclictest18900-21sshd23:30:462
7541991211,0cyclictest110050irq/25-eth022:15:162
7541991211,0cyclictest0-21swapper/223:44:062
7541991211,0cyclictest0-21swapper/223:04:432
7541991211,0cyclictest0-21swapper/200:25:142
7541991211,0cyclictest0-21swapper/200:15:532
7541991210,0cyclictest31979-21sshd21:26:402
7541991210,0cyclictest0-21swapper/200:37:182
754199120,0cyclictest21164-21sshd23:24:212
754099129,0cyclictest13648-21sshd00:03:561
7540991211,0cyclictest27517-21sshd22:27:291
7540991211,0cyclictest1157-21sshd23:39:101
7540991211,0cyclictest0-21swapper/122:48:511
7540991211,0cyclictest0-21swapper/100:05:461
753999129,0cyclictest21203-21sshd22:43:570
7539991211,0cyclictest3535-21sshd22:31:450
7539991211,0cyclictest31853-21diskmemload22:20:540
7539991211,0cyclictest0-21swapper/023:10:060
7539991211,0cyclictest0-21swapper/022:26:360
7539991211,0cyclictest0-21swapper/000:02:400
7539991210,0cyclictest12874-21bash23:53:430
753999120,0cyclictest10419-21sshd21:21:050
753999120,0cyclictest0-21swapper/021:41:040
753999120,0cyclictest0-21swapper/000:11:300
41120,0ktimersoftd/018010-21bash23:06:580
41120,0ktimersoftd/01241-21sshd00:35:140
351120,0ktimersoftd/31520-21sshd00:20:243
351120,0ktimersoftd/30-21swapper/319:10:133
7542991111,0cyclictest0-21swapper/322:09:013
7542991111,0cyclictest0-21swapper/320:44:543
7542991111,0cyclictest0-21swapper/320:34:333
7542991110,0cyclictest4717-21sshd22:58:533
7542991110,0cyclictest31116-21kworker/3:021:46:013
7542991110,0cyclictest1301-21sshd00:05:593
7542991110,0cyclictest12217-21sshd21:51:523
7542991110,0cyclictest110050irq/25-eth023:40:023
7542991110,0cyclictest110050irq/25-eth021:42:363
7542991110,0cyclictest0-21swapper/321:09:173
7542991110,0cyclictest0-21swapper/319:58:123
754299110,0cyclictest0-21swapper/323:56:563
754299110,0cyclictest0-21swapper/321:03:443
754299110,0cyclictest0-21swapper/319:15:243
7541991111,0cyclictest0-21swapper/223:29:112
7541991111,0cyclictest0-21swapper/222:47:142
7541991111,0cyclictest0-21swapper/222:05:382
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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