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2026-04-03 - 11:10
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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 rack5slot0.osadl.org (updated Fri Apr 03, 2026 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
542321300,0sleep35424-21sshd21:11:563
29627210933,47sleep30-21swapper/319:08:493
265132910,0sleep00-21swapper/022:02:100
237692880,1sleep00-21swapper/021:38:420
78082870,2sleep22024-21nfsd22:07:012
97002860,2sleep20-21swapper/223:19:382
159272860,1sleep30-21swapper/322:07:543
2962028533,48sleep10-21swapper/119:08:431
245862830,0sleep00-21swapper/000:04:210
131022830,1sleep30-21swapper/322:35:193
281742820,0sleep1211ktimersoftd/122:15:571
308392780,1sleep20-21swapper/222:12:542
17402780,0sleep31737-21rm23:34:493
273382760,2sleep30-21swapper/321:46:223
259142760,1sleep10-21swapper/123:33:431
174742760,1sleep317476-21id21:38:003
154162760,2sleep215415-21sshd22:51:292
209052750,2sleep30-21swapper/322:25:243
94962740,0sleep09494-21sshd00:06:290
13712740,2sleep30-21swapper/300:05:243
2945927333,12sleep20-21swapper/219:06:512
123652730,2sleep30-21swapper/323:01:273
281522710,3sleep20-21swapper/223:21:342
58062690,1sleep22512-21runrttasks00:13:432
56272680,2sleep35628-21sshd22:03:253
203402680,4sleep22994899cyclictest21:41:392
188312660,4sleep32995499cyclictest00:03:343
271902640,4sleep12994299cyclictest23:14:201
180042620,2sleep12994299cyclictest23:02:061
205052540,2sleep120497-21sshd00:22:121
2955024833,12sleep00-21swapper/019:07:490
171982390,0sleep117199-21sshd23:09:231
188552340,0sleep118856-21bash22:04:501
103552340,2sleep30-21swapper/322:10:383
173542320,2sleep1211ktimersoftd/122:43:501
284782280,25sleep1144650irq/27-eth021:58:461
19252280,25sleep2144650irq/27-eth021:47:172
4502270,1sleep00-21swapper/021:59:210
297412270,3sleep229722-21sshd23:14:412
116992270,2sleep30-21swapper/322:43:043
231382260,3sleep02993899cyclictest00:26:150
2994299250,23cyclictest9234-21sshd00:28:201
208522250,2sleep20-21swapper/223:44:142
2994299240,4cyclictest144650irq/27-eth021:15:471
286442240,2sleep00-21swapper/022:59:520
188072240,0sleep318794-21sshd00:25:473
29942992216,5cyclictest0-21swapper/123:21:081
29942992214,4cyclictest31339-21sshd22:26:341
280112220,2sleep30-21swapper/321:28:343
153892220,2sleep30-21swapper/322:32:063
52272210,1sleep041ktimersoftd/021:51:440
147502210,19sleep2144650irq/27-eth023:50:402
139922210,2sleep10-21swapper/100:18:031
296172200,2sleep20-21swapper/223:37:492
283332200,1sleep00-21swapper/022:05:420
225032200,2sleep20-21swapper/222:01:442
170472200,2sleep10-21swapper/100:03:201
154402200,18sleep2144650irq/27-eth021:53:022
2994899192,10cyclictest2023-21nfsd23:34:322
279362191,16sleep1144650irq/27-eth021:14:221
26842190,3sleep02993899cyclictest23:18:510
264302190,17sleep3144650irq/27-eth023:45:003
2995499180,13cyclictest0-21swapper/323:46:153
2995499180,13cyclictest0-21swapper/321:50:463
2994899186,9cyclictest26889-21sshd22:49:092
2994899183,9cyclictest29052-21sshd00:23:132
158902180,16sleep3144650irq/27-eth021:23:183
60552170,2sleep30-21swapper/322:50:253
5182170,1sleep30-21swapper/323:52:573
2994899172,13cyclictest28712-21sshd21:35:402
2994899170,9cyclictest2132-21sshd00:16:072
2994899170,15cyclictest0-21swapper/200:27:332
2994899170,12cyclictest26473-21sshd22:40:442
2994299177,6cyclictest0-21swapper/122:55:161
29942991712,4cyclictest0-21swapper/122:50:181
65132160,0sleep30-21swapper/323:22:563
2995499167,3cyclictest0-21swapper/300:11:583
2995499160,3cyclictest0-21swapper/321:34:083
2995499160,15cyclictest0-21swapper/323:26:013
2995499160,15cyclictest0-21swapper/322:48:013
2995499160,14cyclictest6496-21missed_timers23:35:173
2995499160,14cyclictest23214-21head22:15:243
2995499160,14cyclictest0-21swapper/321:55:083
2995499160,14cyclictest0-21swapper/300:15:083
2994899165,10cyclictest2024-21nfsd23:29:352
2994899162,3cyclictest5430-21sshd23:46:132
2994899162,12cyclictest14213-21sshd22:21:202
29948991612,3cyclictest23073-21sshd22:18:572
2994899161,14cyclictest10695-21nscd22:55:232
2994899160,9cyclictest0-21swapper/220:55:152
2994899160,9cyclictest0-21swapper/220:55:152
2994899160,8cyclictest0-21swapper/221:26:112
2994899160,15cyclictest0-21swapper/220:01:472
2994899160,14cyclictest27086-21cp00:00:222
2994899160,14cyclictest18087-21sshd23:55:102
2994299168,3cyclictest7066-21sshd00:35:081
2994299160,3cyclictest20774-21sshd21:20:191
2994299160,2cyclictest0-21swapper/122:20:121
2994299160,14cyclictest14238-21sshd21:26:471
2994299160,14cyclictest0-21swapper/123:35:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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