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2026-01-07 - 11:40
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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 Jan 07, 2026 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650600,0irq/26-eth1-rx-0-21swapper/319:05:323
112750600,0irq/25-eth00-21swapper/119:06:491
112750590,0irq/25-eth00-21swapper/219:07:222
1247124521,0sleep00-21swapper/019:07:430
1272199140,0cyclictest0-21swapper/320:40:133
12719991413,0cyclictest0-21swapper/123:56:181
1271899140,0cyclictest0-21swapper/021:55:170
191130,0ktimersoftd/10-21swapper/123:15:241
12721991312,0cyclictest0-21swapper/322:59:473
1272199130,0cyclictest0-21swapper/321:50:133
1272099132,0cyclictest0-21swapper/200:28:122
1272099130,0cyclictest32493-21id23:25:502
1272099130,0cyclictest0-21swapper/222:37:582
1272099130,0cyclictest0-21swapper/221:55:172
1272099130,0cyclictest0-21swapper/200:38:052
12719991312,0cyclictest0-21swapper/122:35:061
1271899130,0cyclictest0-21swapper/021:43:150
12721991211,0cyclictest0-21swapper/323:45:273
12721991211,0cyclictest0-21swapper/323:38:063
12721991211,0cyclictest0-21swapper/322:08:333
12721991211,0cyclictest0-21swapper/321:21:583
12721991211,0cyclictest0-21swapper/300:32:013
12721991210,0cyclictest0-21swapper/323:43:563
1272199120,0cyclictest0-21swapper/323:29:313
1272199120,0cyclictest0-21swapper/323:17:403
1272199120,0cyclictest0-21swapper/321:17:123
1272099122,0cyclictest14251-21pmu-power23:20:202
12720991210,0cyclictest0-21swapper/222:52:582
12720991210,0cyclictest0-21swapper/221:17:212
1272099120,0cyclictest0-21swapper/221:51:182
1272099120,0cyclictest0-21swapper/219:15:012
1272099120,0cyclictest0-21swapper/200:30:392
1272099120,0cyclictest0-21swapper/200:22:322
12719991211,0cyclictest0-21swapper/122:00:431
12719991211,0cyclictest0-21swapper/121:50:081
12719991211,0cyclictest0-21swapper/121:37:151
12719991211,0cyclictest0-21swapper/100:16:441
12719991210,0cyclictest0-21swapper/121:25:171
12719991210,0cyclictest0-21swapper/121:16:141
1271999120,0cyclictest0-21swapper/122:11:381
1271999120,0cyclictest0-21swapper/100:20:211
12718991211,0cyclictest414-21taskset21:47:320
12718991211,0cyclictest14965-21bash21:22:400
12718991211,0cyclictest0-21swapper/022:24:490
12718991210,0cyclictest4743-21diskmemload21:38:560
1271899120,0cyclictest9693-21sshd22:10:110
1271899120,0cyclictest0-21swapper/000:07:510
112750120,0irq/25-eth04743-21diskmemload22:33:390
9950110,0irq/24-0000:00:0-21swapper/023:51:510
41110,0ktimersoftd/023949-21sshd22:44:000
351110,0ktimersoftd/30-21swapper/322:29:003
271110,0ktimersoftd/20-21swapper/222:48:252
271110,0ktimersoftd/20-21swapper/222:48:242
191110,0ktimersoftd/10-21swapper/122:48:251
191110,0ktimersoftd/10-21swapper/122:48:241
12721991111,0cyclictest0-21swapper/323:34:033
12721991111,0cyclictest0-21swapper/322:03:133
12721991110,0cyclictest7801-21fw_conntrack21:30:133
12721991110,0cyclictest30617-21diskstats23:55:143
12721991110,0cyclictest28707-21munin-node22:45:153
12721991110,0cyclictest28707-21munin-node22:45:153
12721991110,0cyclictest13401-21users22:40:203
12721991110,0cyclictest0-21swapper/323:50:113
12721991110,0cyclictest0-21swapper/322:53:373
12721991110,0cyclictest0-21swapper/300:22:023
1272199110,0cyclictest26198-21sshd21:25:493
1272199110,0cyclictest0-21swapper/322:30:303
1272199110,0cyclictest0-21swapper/322:20:593
1272199110,0cyclictest0-21swapper/320:48:033
1272199110,0cyclictest0-21swapper/320:28:183
1272199110,0cyclictest0-21swapper/320:17:023
1272199110,0cyclictest0-21swapper/319:47:253
1272199110,0cyclictest0-21swapper/300:10:123
1272099116,0cyclictest0-21swapper/220:35:452
12720991111,0cyclictest0-21swapper/223:53:432
12720991111,0cyclictest0-21swapper/221:12:222
12720991111,0cyclictest0-21swapper/219:23:452
12720991111,0cyclictest0-21swapper/219:23:452
12720991110,0cyclictest15279-21users23:30:222
12720991110,0cyclictest0-21swapper/222:29:102
12720991110,0cyclictest0-21swapper/222:21:502
12720991110,0cyclictest0-21swapper/221:46:452
12720991110,0cyclictest0-21swapper/200:13:422
1272099110,0cyclictest0-21swapper/220:23:352
1272099110,0cyclictest0-21swapper/200:05:212
12719991111,0cyclictest0-21swapper/123:46:051
12719991111,0cyclictest0-21swapper/123:37:151
12719991111,0cyclictest0-21swapper/123:00:251
12719991111,0cyclictest0-21swapper/122:06:031
12719991111,0cyclictest0-21swapper/100:36:161
12719991110,0cyclictest14657-21bash22:21:091
12719991110,0cyclictest0-21swapper/123:23:121
1271999110,0cyclictest0-21swapper/123:11:281
12718991111,0cyclictest4743-21diskmemload21:15:350
12718991111,0cyclictest0-21swapper/022:27:150
12718991111,0cyclictest0-21swapper/022:17:450
12718991111,0cyclictest0-21swapper/000:12:030
12718991110,0cyclictest3653-21sshd22:57:270
12718991110,0cyclictest0-21swapper/023:12:550
12718991110,0cyclictest0-21swapper/021:34:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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