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2025-12-17 - 09:40
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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 Dec 17, 2025 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750660,0irq/25-eth00-21swapper/119:05:181
120650610,0irq/26-eth1-rx-0-21swapper/319:06:483
112750550,0irq/25-eth00-21swapper/219:08:222
2401024421,0sleep00-21swapper/019:07:500
24249991412,0cyclictest0-21swapper/122:38:301
24251991311,0cyclictest15897-21sshd21:28:523
2425199131,0cyclictest0-21swapper/323:02:233
2425199130,0cyclictest0-21swapper/321:23:533
24250991312,0cyclictest10860-21sshd22:25:002
24250991312,0cyclictest0-21swapper/200:14:252
2425099130,0cyclictest0-21swapper/221:36:542
24249991312,0cyclictest0-21swapper/123:33:201
24249991311,0cyclictest0-21swapper/122:07:571
24249991310,0cyclictest0-21swapper/121:42:161
24248991312,0cyclictest0-21swapper/021:37:160
2424899130,0cyclictest11656-21fw_conntrack22:05:150
24251991212,0cyclictest351ktimersoftd/323:20:173
24251991211,0cyclictest0-21swapper/323:54:133
24251991211,0cyclictest0-21swapper/323:17:223
2425199121,0cyclictest351ktimersoftd/319:12:303
2425199121,0cyclictest0-21swapper/319:54:113
2425199121,0cyclictest0-21swapper/300:01:043
24251991210,0cyclictest0-21swapper/300:39:313
24251991210,0cyclictest0-21swapper/300:24:173
2425199120,0cyclictest0-21swapper/323:37:003
2425199120,0cyclictest0-21swapper/323:29:283
2425199120,0cyclictest0-21swapper/323:14:283
2425199120,0cyclictest0-21swapper/321:45:153
2425199120,0cyclictest0-21swapper/321:45:153
2425199120,0cyclictest0-21swapper/320:54:013
2425199120,0cyclictest0-21swapper/300:12:543
24250991211,0cyclictest0-21swapper/223:28:462
24250991211,0cyclictest0-21swapper/223:19:232
24250991210,0cyclictest0-21swapper/222:55:052
2425099120,0cyclictest0-21swapper/221:57:352
2425099120,0cyclictest0-21swapper/219:26:272
24249991211,0cyclictest0-21swapper/123:09:121
24249991210,0cyclictest0-21swapper/122:42:141
24249991210,0cyclictest0-21swapper/121:46:421
24249991210,0cyclictest0-21swapper/121:46:421
2424999120,0cyclictest0-21swapper/122:15:091
2424999120,0cyclictest0-21swapper/121:17:251
24248991212,0cyclictest0-21swapper/023:17:030
24248991212,0cyclictest0-21swapper/000:16:250
24248991211,0cyclictest16155-21diskmemload22:44:240
24248991210,0cyclictest0-21swapper/022:11:040
24248991210,0cyclictest0-21swapper/020:45:130
2424899120,0cyclictest11810-21wget21:00:120
2424899120,0cyclictest0-21swapper/022:17:550
2424899120,0cyclictest0-21swapper/000:06:400
271110,0ktimersoftd/28260-21sshd22:42:392
271110,0ktimersoftd/20-21swapper/223:20:172
271110,0ktimersoftd/20-21swapper/221:17:022
24251991111,0cyclictest0-21swapper/300:31:293
24251991110,0cyclictest12304-21munin-node22:05:213
24251991110,0cyclictest0-21swapper/322:21:163
2425199110,0cyclictest0-21swapper/319:28:113
2425199110,0cyclictest0-21swapper/319:21:203
2425099119,0cyclictest0-21swapper/219:49:342
24250991111,0cyclictest0-21swapper/223:52:222
24250991111,0cyclictest0-21swapper/223:35:442
24250991111,0cyclictest0-21swapper/222:36:372
24250991111,0cyclictest0-21swapper/220:20:142
24250991111,0cyclictest0-21swapper/200:34:382
24250991110,0cyclictest4859-21sshd00:19:262
24250991110,0cyclictest0-21swapper/219:55:082
2425099110,0cyclictest0-21swapper/221:14:362
24249991111,0cyclictest0-21swapper/123:04:591
24249991111,0cyclictest0-21swapper/122:33:371
24249991111,0cyclictest0-21swapper/121:05:121
24249991111,0cyclictest0-21swapper/120:55:281
24249991111,0cyclictest0-21swapper/100:29:201
24249991111,0cyclictest0-21swapper/100:00:171
24249991110,0cyclictest0-21swapper/123:42:181
24249991110,0cyclictest0-21swapper/122:28:241
24249991110,0cyclictest0-21swapper/100:23:311
2424999110,0cyclictest0-21swapper/121:24:031
2424999110,0cyclictest0-21swapper/120:15:101
2424999110,0cyclictest0-21swapper/100:37:201
2424999110,0cyclictest0-21swapper/100:18:321
2424899119,0cyclictest0-21swapper/022:03:590
24248991111,0cyclictest0-21swapper/023:55:160
24248991110,0cyclictest23590-21cut20:15:150
24248991110,0cyclictest0-21swapper/023:45:160
24248991110,0cyclictest0-21swapper/000:27:120
2424899110,0cyclictest16155-21diskmemload23:06:150
2424899110,0cyclictest0-21swapper/021:49:130
2424899110,0cyclictest0-21swapper/021:49:130
2424899110,0cyclictest0-21swapper/000:04:050
191110,0ktimersoftd/10-21swapper/100:11:261
41100,0ktimersoftd/00-21swapper/023:40:130
2425199109,0cyclictest0-21swapper/322:57:233
2425199109,0cyclictest0-21swapper/321:03:053
2425199109,0cyclictest0-21swapper/300:16:353
2425199108,0cyclictest0-21swapper/320:13:293
2425199102,0cyclictest0-21swapper/321:11:063
24251991010,0cyclictest0-21swapper/323:09:003
24251991010,0cyclictest0-21swapper/322:48:063
24251991010,0cyclictest0-21swapper/322:16:093
24251991010,0cyclictest0-21swapper/322:11:513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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