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2025-06-17 - 01:44
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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 50 highest latencies:
System rack2slot0.osadl.org (updated Tue Jun 17, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2441521080,0sleep024417-21grep23:35:540
267332590,0sleep00-21swapper/023:48:560
305132570,0sleep00-21swapper/022:15:520
326642560,0sleep30-21swapper/323:04:453
147332560,0sleep10-21swapper/123:50:491
5682550,1sleep0571-21id00:36:550
231792550,0sleep20-21swapper/221:49:032
18282550,1sleep01825-21lspci00:30:020
138212550,0sleep00-21swapper/023:44:320
82472540,0sleep00-21swapper/022:46:080
5032540,0sleep00-21swapper/021:11:240
207232530,0sleep30-21swapper/300:11:013
166352530,0sleep10-21swapper/121:32:031
7372520,0sleep20-21swapper/223:11:092
301292520,0sleep10-21swapper/121:39:561
216202520,1sleep121617-21lspci23:29:191
62272510,0sleep00-21swapper/022:06:500
314862510,0sleep30-21swapper/321:53:033
302862510,0sleep00-21swapper/022:51:290
117592510,0sleep3391rcuc/323:34:443
308472500,0sleep20-21swapper/200:25:542
321832490,0sleep30-21swapper/323:46:143
295332490,0sleep30-21swapper/321:36:333
188652490,0sleep20-21swapper/222:34:242
195492480,0sleep119552-21bash23:13:051
156552480,0sleep10-21swapper/119:50:131
282272470,0sleep10-21swapper/100:15:131
256962470,1sleep13075199cyclictest00:11:361
89382460,0sleep20-21swapper/200:37:492
195272460,0sleep00-21swapper/000:00:450
77692440,2sleep33076699cyclictest00:02:533
275842440,1sleep027580-21lspci21:55:540
82532420,1sleep28245-21lspci23:43:582
190692380,0sleep20-21swapper/221:25:512
16332380,0sleep341-21ksoftirqd/300:19:073
318822350,0sleep20-21swapper/223:17:302
305772299,7sleep10-21swapper/119:09:211
2884322917,7sleep20-21swapper/219:05:092
3028822311,7sleep30-21swapper/319:05:433
3027622210,7sleep00-21swapper/019:05:350
233442190,1sleep1646-21dbus-daemon22:28:191
155102190,0sleep30-21swapper/323:54:083
153522180,1sleep115349-21bash23:44:411
111462170,2sleep03074599cyclictest22:20:280
239752160,0sleep20-21swapper/200:04:362
86982150,0sleep30-21swapper/323:08:493
194532150,0sleep1231rcuc/122:14:531
123202150,0sleep312319-21grep21:19:003
3076699141,1cyclictest0-21swapper/323:20:293
27782140,0sleep30-21swapper/300:30:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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