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2025-12-15 - 13:22
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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 Mon Dec 15, 2025 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650670,0irq/26-eth1-rx-0-21swapper/319:08:313
112750650,0irq/25-eth00-21swapper/119:08:311
2103124721,0sleep20-21swapper/219:09:522
2067624324,0sleep00-21swapper/019:05:290
2111199150,0cyclictest0-21swapper/222:58:582
2111199150,0cyclictest0-21swapper/219:30:142
21110991413,0cyclictest13044-21diskmemload00:01:351
2110999142,0cyclictest2907-21sshd22:04:140
112750140,0irq/25-eth01639-21runrttasks23:03:360
9950130,0irq/24-0000:00:13044-21diskmemload23:06:160
21112991312,0cyclictest31153-21sshd23:16:053
21112991312,0cyclictest0-21swapper/319:30:153
21112991311,0cyclictest0-21swapper/323:37:063
21111991312,0cyclictest31707-21sshd23:54:312
21111991311,0cyclictest0-21swapper/221:18:222
21111991311,0cyclictest0-21swapper/200:29:562
21111991311,0cyclictest0-21swapper/200:02:112
112750130,0irq/25-eth00-21swapper/023:35:170
21112991211,0cyclictest0-21swapper/322:30:113
21112991211,0cyclictest0-21swapper/300:36:213
21112991210,0cyclictest0-21swapper/323:54:183
21112991210,0cyclictest0-21swapper/323:28:303
21112991210,0cyclictest0-21swapper/323:03:393
21112991210,0cyclictest0-21swapper/322:09:093
21112991210,0cyclictest0-21swapper/321:31:523
21112991210,0cyclictest0-21swapper/300:02:533
2111299120,0cyclictest0-21swapper/323:07:283
2111299120,0cyclictest0-21swapper/322:55:023
2111299120,0cyclictest0-21swapper/321:48:083
2111299120,0cyclictest0-21swapper/321:35:423
2111299120,0cyclictest0-21swapper/321:19:263
2111299120,0cyclictest0-21swapper/300:15:193
21111991211,0cyclictest9720-21bash00:37:362
21111991211,0cyclictest0-21swapper/200:10:452
21111991210,0cyclictest16037-21sshd00:22:152
21111991210,0cyclictest0-21swapper/222:23:332
21111991210,0cyclictest0-21swapper/222:15:522
21111991210,0cyclictest0-21swapper/221:37:322
21111991210,0cyclictest0-21swapper/220:10:462
21111991210,0cyclictest0-21swapper/200:18:262
2111199120,0cyclictest0-21swapper/222:31:122
2111199120,0cyclictest0-21swapper/219:55:192
21110991211,0cyclictest0-21swapper/121:55:331
21110991210,0cyclictest0-21swapper/100:20:591
2111099120,0cyclictest0-21swapper/122:51:461
2111099120,0cyclictest0-21swapper/121:31:161
21109991211,0cyclictest0-21swapper/022:32:000
21109991211,0cyclictest0-21swapper/000:26:590
21109991210,0cyclictest1480-21nfsd22:57:550
21109991210,0cyclictest0-21swapper/023:32:250
2110999120,0cyclictest0-21swapper/020:00:090
2110999120,0cyclictest0-21swapper/000:10:440
351110,0ktimersoftd/30-21swapper/321:55:423
21112991111,0cyclictest0-21swapper/323:45:413
21112991110,0cyclictest30099-21bash00:11:293
21112991110,0cyclictest0-21swapper/319:25:223
21112991110,0cyclictest0-21swapper/300:20:043
2111199119,0cyclictest0-21swapper/220:25:172
2111199119,0cyclictest0-21swapper/219:46:352
21111991111,0cyclictest0-21swapper/223:38:142
21111991111,0cyclictest0-21swapper/222:27:222
21111991111,0cyclictest0-21swapper/222:27:222
21111991111,0cyclictest0-21swapper/219:25:212
21111991111,0cyclictest0-21swapper/200:33:452
21111991110,0cyclictest0-21swapper/222:39:482
21111991110,0cyclictest0-21swapper/222:08:122
21111991110,0cyclictest0-21swapper/222:04:222
21111991110,0cyclictest0-21swapper/221:56:422
21111991110,0cyclictest0-21swapper/220:34:002
2111199110,0cyclictest0-21swapper/221:25:072
2111199110,0cyclictest0-21swapper/220:45:122
21110991111,0cyclictest0-21swapper/122:14:581
21110991110,0cyclictest0-21swapper/123:58:411
21110991110,0cyclictest0-21swapper/122:59:331
21110991110,0cyclictest0-21swapper/122:40:101
2111099110,0cyclictest21765-21sshd22:34:211
2111099110,0cyclictest0-21swapper/122:45:581
2111099110,0cyclictest0-21swapper/122:28:321
2111099110,0cyclictest0-21swapper/122:28:321
2111099110,0cyclictest0-21swapper/122:16:551
2111099110,0cyclictest0-21swapper/100:37:281
2110999119,0cyclictest0-21swapper/019:12:530
21109991111,0cyclictest0-21swapper/023:59:150
21109991111,0cyclictest0-21swapper/023:17:040
21109991111,0cyclictest0-21swapper/022:35:490
21109991111,0cyclictest0-21swapper/022:28:090
21109991111,0cyclictest0-21swapper/022:28:090
21109991111,0cyclictest0-21swapper/022:24:190
21109991111,0cyclictest0-21swapper/000:06:550
21109991110,0cyclictest0-21swapper/023:40:050
21109991110,0cyclictest0-21swapper/023:20:540
21109991110,0cyclictest0-21swapper/020:58:010
21109991110,0cyclictest0-21swapper/019:22:320
21109991110,0cyclictest0-21swapper/000:30:500
21109991110,0cyclictest0-21swapper/000:15:300
21109991110,0cyclictest0-21swapper/000:03:040
2110999110,0cyclictest0-21swapper/023:28:340
2110999110,0cyclictest0-21swapper/023:13:140
2110999110,0cyclictest0-21swapper/022:54:040
2110999110,0cyclictest0-21swapper/021:52:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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