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2026-05-07 - 06:04
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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 rack2slot0.osadl.org (updated Thu May 07, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
77082780,2sleep22548299cyclictest22:33:492
77082780,2sleep22548299cyclictest22:33:492
71082640,0sleep20-21swapper/223:47:072
71082640,0sleep20-21swapper/223:47:072
48822560,0sleep10-21swapper/122:23:471
123522550,1sleep312350-21lspci21:37:023
123522550,1sleep312350-21lspci21:37:023
39132540,0sleep10-21swapper/122:36:361
234432540,0sleep10-21swapper/122:28:511
100652540,0sleep10-21swapper/121:55:311
14552530,0sleep30-21swapper/322:26:413
5692520,0sleep00-21swapper/021:20:290
23662510,0sleep00-21swapper/023:23:170
105462510,0sleep3401ktimersoftd/321:30:023
39472500,1sleep3391rcuc/321:42:193
226162500,0sleep00-21swapper/000:20:210
44482490,1sleep34454-21needreboot23:40:153
321442490,0sleep30-21swapper/321:51:243
127902490,0sleep30-21swapper/300:16:243
119722490,0sleep10-21swapper/100:10:091
8172470,0sleep20-21swapper/221:39:022
8172470,0sleep20-21swapper/221:39:022
293252470,0sleep00-21swapper/022:26:140
159652470,0sleep30-21swapper/322:24:573
196302460,0sleep019627-21lspci21:47:050
196302460,0sleep019627-21lspci21:47:050
318712450,0sleep20-21swapper/223:03:052
232992400,0sleep00-21swapper/022:31:590
232992400,0sleep00-21swapper/022:31:590
209262360,0sleep00-21swapper/023:31:540
250552319,7sleep20-21swapper/219:06:062
253592307,7sleep30-21swapper/319:09:563
2504322817,7sleep00-21swapper/019:05:560
233002230,0sleep20-21swapper/223:38:582
47532210,0sleep30-21swapper/322:30:133
47532210,0sleep30-21swapper/322:30:133
235762219,7sleep10-21swapper/119:05:091
164872210,0sleep20-21swapper/223:51:152
165112170,0sleep30-21swapper/300:38:183
89522160,0sleep20-21swapper/223:24:042
29732160,2sleep02546999cyclictest22:07:230
29732160,2sleep02546999cyclictest22:07:230
218792160,1sleep021868-21sshd00:01:310
180682160,0sleep10-21swapper/123:38:251
63512150,0sleep10-21swapper/123:53:311
30932150,0sleep20-21swapper/223:26:482
25475991513,1cyclictest29979-21gdbus21:22:551
166242150,0sleep00-21swapper/021:40:240
146862150,1sleep214685-21bash00:16:352
105732150,0sleep00-21swapper/021:52:290
2548299140,12cyclictest18179-21bash22:28:192
2546999144,2cyclictest9-21ksoftirqd/000:14:370
230592140,1sleep023060-21sshd23:48:410
230592140,1sleep023060-21sshd23:48:410
163942140,0sleep30-21swapper/322:54:413
163942140,0sleep30-21swapper/322:54:413
103122140,0sleep10-21swapper/122:44:011
54662130,0sleep30-21swapper/323:00:133
34182130,1sleep0111rcuc/023:53:130
25475991311,1cyclictest699-21gdbus22:05:151
25475991311,1cyclictest699-21gdbus22:05:151
2546999135,2cyclictest9-21ksoftirqd/000:35:080
2546999135,1cyclictest9-21ksoftirqd/023:40:030
2546999135,1cyclictest9-21ksoftirqd/000:16:150
2546999134,1cyclictest9-21ksoftirqd/000:30:490
2546999133,2cyclictest9-21ksoftirqd/023:19:390
2546999133,2cyclictest9-21ksoftirqd/022:10:050
2546999132,2cyclictest9-21ksoftirqd/022:59:050
2546999132,1cyclictest9-21ksoftirqd/023:00:520
2546999132,1cyclictest9-21ksoftirqd/021:18:500
19342130,0sleep20-21swapper/223:43:222
325972120,0sleep20-21swapper/222:49:352
2548699120,1cyclictest0-21swapper/323:23:443
25482991210,1cyclictest2851-21sshd22:59:592
25482991210,1cyclictest23398-21sshd00:11:092
2548299120,1cyclictest623-17sedispatch21:47:292
2548299120,1cyclictest623-17sedispatch21:47:292
2548299120,1cyclictest1026-21sshd21:22:092
25475991211,0cyclictest0-21swapper/123:02:051
2547599120,1cyclictest3763-21sshd23:46:451
2547599120,1cyclictest3763-21sshd23:46:451
2546999125,1cyclictest9-21ksoftirqd/022:50:490
2546999125,1cyclictest9-21ksoftirqd/022:50:490
2546999124,2cyclictest9-21ksoftirqd/023:08:550
2546999124,2cyclictest9-21ksoftirqd/022:42:580
2546999124,2cyclictest9-21ksoftirqd/022:36:210
2546999123,2cyclictest9-21ksoftirqd/022:04:540
2546999123,1cyclictest9-21ksoftirqd/000:28:460
2546999122,2cyclictest9-21ksoftirqd/022:24:270
2546999121,2cyclictest10637-21bash23:57:090
25469991210,1cyclictest0-21swapper/021:25:360
261032110,0sleep10-21swapper/121:38:211
261032110,0sleep10-21swapper/121:38:211
2548699119,1cyclictest660-21avahi-daemon21:14:043
25486991110,0cyclictest0-21swapper/323:06:043
25486991110,0cyclictest0-21swapper/300:01:343
2548699110,10cyclictest0-21swapper/323:13:543
2548699110,10cyclictest0-21swapper/322:19:043
2548699110,10cyclictest0-21swapper/320:25:143
2548699110,0cyclictest0-21swapper/322:06:443
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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