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2025-11-23 - 06:38
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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 Sun Nov 23, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195452980,0sleep02720699cyclictest22:37:160
315152920,2sleep12721099cyclictest00:19:191
173292840,2sleep12721099cyclictest23:09:221
298752720,0sleep30-21swapper/323:00:503
276212670,0sleep227576-21sshd00:25:362
276212670,0sleep227576-21sshd00:25:362
216232660,2sleep2321ktimersoftd/200:38:422
66242650,0sleep20-21swapper/223:56:292
302212630,0sleep10-21swapper/100:22:301
209352620,0sleep00-21swapper/023:28:540
267292610,1sleep326732-21bash23:48:483
101862600,0sleep20-21swapper/221:16:112
251532590,0sleep10-21swapper/122:31:201
222022580,0sleep20-21swapper/221:36:392
263462560,0sleep10-21swapper/123:03:481
189762550,0sleep118911-21sshd21:52:201
156792550,0sleep30-21swapper/321:16:443
131742550,0sleep00-21swapper/023:37:440
11962530,0sleep30-21swapper/321:31:223
242152520,0sleep30-21swapper/323:22:493
140452500,0sleep30-21swapper/323:05:423
123172500,0sleep312315-21lspci21:48:283
306542490,0sleep30-21swapper/322:44:483
71862480,0sleep00-21swapper/021:47:570
284632470,0sleep10-21swapper/122:28:281
228722470,2sleep02720699cyclictest23:09:560
197352470,0sleep30-21swapper/322:21:093
2677724635,7sleep20-21swapper/219:05:592
93462440,2sleep02720699cyclictest00:00:020
144012430,1sleep01095-21nfsd22:43:090
13102420,0sleep00-21swapper/022:45:050
201102360,2sleep02720699cyclictest21:14:010
269522319,7sleep00-21swapper/019:08:050
2661322411,7sleep30-21swapper/319:05:243
250622240,1sleep225065-21bash22:50:352
2681822210,7sleep10-21swapper/119:06:311
85022210,0sleep30-21swapper/321:57:423
69392190,1sleep1231rcuc/123:33:571
49892190,0sleep3401ktimersoftd/322:35:473
321872190,1sleep30-21swapper/321:21:373
238032190,1sleep00-21swapper/022:34:310
58772180,1sleep15873-21lspci00:09:571
245742180,0sleep00-21swapper/022:21:380
165642180,1sleep1241ktimersoftd/123:25:151
134792180,1sleep21095-21nfsd21:48:352
74622170,2sleep32721999cyclictest21:35:163
183342170,1sleep018338-21bash23:47:570
282542160,2sleep22721799cyclictest23:35:572
233892160,0sleep20-21swapper/222:24:482
21292160,0sleep10-21swapper/100:02:361
143532150,1sleep214349-21lspci22:17:272
6762140,0sleep20-21swapper/221:28:092
310342140,0sleep20-21swapper/223:10:382
242792140,0sleep2321ktimersoftd/223:32:262
220122140,0sleep022007-21sshd23:19:250
141782140,0sleep10-21swapper/122:14:181
27219991311,1cyclictest28577-21grep00:39:283
2721999130,1cyclictest3962-21sshd22:51:473
2721099131,11cyclictest25-21ksoftirqd/122:00:241
2721099130,1cyclictest18792-21sshd21:39:341
2721099130,12cyclictest0-21swapper/121:10:351
251352130,1sleep225137-21bash23:48:392
27219991210,1cyclictest8191-21hostname19:40:173
2721999120,1cyclictest27289-21tty22:18:463
2721999120,11cyclictest0-21swapper/321:25:263
2721799120,1cyclictest19195-21sshd22:05:112
2721799120,1cyclictest0-21swapper/222:40:512
2721799120,11cyclictest0-21swapper/222:03:522
2721799120,11cyclictest0-21swapper/219:35:012
2721799120,11cyclictest0-21swapper/200:08:322
27210991210,1cyclictest3990-21grepconf.sh00:33:241
27210991210,1cyclictest25-21ksoftirqd/122:57:411
27210991210,1cyclictest0-21swapper/123:53:441
2721099120,11cyclictest22942-21sshd22:53:441
2721099120,11cyclictest0-21swapper/121:44:041
27206991211,0cyclictest0-21swapper/021:43:020
2720699120,11cyclictest0-21swapper/023:14:120
2720699120,11cyclictest0-21swapper/021:58:020
2721999119,1cyclictest19858-21lspci23:41:373
2721999110,10cyclictest0-21swapper/322:14:563
2721999110,10cyclictest0-21swapper/321:07:463
2721999110,10cyclictest0-21swapper/300:10:273
2721999110,10cyclictest0-21swapper/300:10:273
2721999110,0cyclictest0-21swapper/323:10:363
2721999110,0cyclictest0-21swapper/321:41:263
2721999110,0cyclictest0-21swapper/300:27:173
2721999110,0cyclictest0-21swapper/300:27:173
2721999110,0cyclictest0-21swapper/300:09:483
27217991110,0cyclictest0-21swapper/222:29:122
27217991110,0cyclictest0-21swapper/219:50:012
2721799110,10cyclictest0-21swapper/223:27:512
2721799110,10cyclictest0-21swapper/221:52:012
2721799110,0cyclictest0-21swapper/222:48:012
27210991111,0cyclictest33050irq/27-ahci[00022:38:241
27210991110,0cyclictest0-21swapper/122:40:051
27210991110,0cyclictest0-21swapper/121:15:241
2721099110,10cyclictest0-21swapper/123:15:541
2721099110,10cyclictest0-21swapper/121:59:441
2720699119,1cyclictest11946-21cpuspeed_turbos19:50:120
27206991110,0cyclictest0-21swapper/022:28:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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