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2026-05-12 - 10:28
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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 Tue May 12, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2025121380,0sleep02024-21nfsd23:20:000
2385721220,4sleep33125299cyclictest23:03:083
2966621200,3sleep23125199cyclictest21:21:092
806321150,2sleep22512-21runrttasks00:36:532
2493121070,3sleep224924-21sshd23:31:002
30783210532,44sleep30-21swapper/319:07:253
150662980,3sleep10-21swapper/123:02:101
253762960,1sleep10-21swapper/121:48:331
108372930,2sleep10-21swapper/121:32:531
301192910,0sleep00-21swapper/022:19:130
273952870,3sleep20-21swapper/223:58:012
269292860,2sleep20-21swapper/222:03:402
234102850,1sleep00-21swapper/022:59:320
176112850,1sleep00-21swapper/023:45:200
321192840,6sleep10-21swapper/122:45:271
288352840,3sleep10-21swapper/123:28:021
83562830,1sleep08355-21sshd22:28:150
285872830,2sleep30-21swapper/321:10:473
254552830,1sleep30-21swapper/300:08:493
12752830,2sleep10-21swapper/100:13:391
98912820,3sleep20-21swapper/223:08:322
3085528233,45sleep10-21swapper/119:08:181
202022800,2sleep30-21swapper/323:23:233
312552790,2sleep331224-21sshd22:38:153
36762780,1sleep00-21swapper/021:53:080
47092770,1sleep04707-21sshd22:01:140
97742760,1sleep39773-21sshd21:19:083
87812760,2sleep30-21swapper/322:28:183
6762760,1sleep1669-21sshd21:21:321
264772760,2sleep126479-21bash23:49:551
263292760,0sleep00-21swapper/000:27:450
187412760,2sleep20-21swapper/200:26:542
14112760,1sleep21409-21bash22:34:462
319822750,3sleep30-21swapper/322:30:583
144682740,1sleep00-21swapper/022:54:390
205122700,2sleep10-21swapper/121:59:221
122382700,1sleep30-21swapper/322:09:303
243592680,3sleep23125199cyclictest23:03:112
96182640,3sleep13125099cyclictest19:30:211
167792620,1sleep016780-21bash00:22:480
3064725933,13sleep20-21swapper/219:05:512
3092324932,13sleep00-21swapper/019:09:100
118672450,1sleep30-21swapper/300:00:113
158692390,0sleep015870-21sshd21:23:110
308142350,3sleep30-21swapper/323:07:183
18972330,0sleep00-21swapper/021:31:570
296492280,2sleep30-21swapper/322:56:113
265642270,25sleep3144650irq/27-eth022:22:223
96252260,0sleep20-21swapper/223:44:272
3125299264,2cyclictest0-21swapper/322:42:523
210222260,2sleep03124699cyclictest00:38:190
300802250,23sleep1144650irq/27-eth000:20:261
261832250,2sleep20-21swapper/223:53:402
231332250,3sleep30-21swapper/300:23:383
225102250,2sleep122499-21sshd22:03:111
206592250,1sleep30-21swapper/323:13:063
206512250,23sleep1144650irq/27-eth021:27:061
3125299247,2cyclictest0-21swapper/323:41:493
86652230,3sleep20-21swapper/222:28:172
325072230,3sleep20-21swapper/222:56:342
3125299237,10cyclictest0-21swapper/323:19:473
3125299234,1cyclictest0-21swapper/300:30:133
3125299230,3cyclictest0-21swapper/323:45:253
3125299227,2cyclictest0-21swapper/323:51:053
31252992211,9cyclictest9315-21sshd22:16:573
3125299220,2cyclictest0-21swapper/323:25:233
3124699220,12cyclictest0-21swapper/020:07:090
272092220,3sleep227207-21sshd23:13:502
235532220,2sleep10-21swapper/122:25:551
3125299210,5cyclictest0-21swapper/323:39:523
3125299210,4cyclictest0-21swapper/321:50:093
3125299210,3cyclictest0-21swapper/321:55:253
3125299210,2cyclictest0-21swapper/322:53:083
3125299210,19cyclictest0-21swapper/323:30:203
3125299210,19cyclictest0-21swapper/321:26:123
3125299210,10cyclictest0-21swapper/323:55:073
3125299210,10cyclictest0-21swapper/322:10:273
3125299210,10cyclictest0-21swapper/321:20:233
3125299210,10cyclictest0-21swapper/300:15:133
3125299210,10cyclictest0-21swapper/300:14:533
3125299210,0cyclictest0-21swapper/321:32:493
46762200,1sleep02132-21sshd21:42:540
3125299208,8cyclictest144650irq/27-eth020:00:223
3125299200,9cyclictest0-21swapper/321:40:153
3125299200,2cyclictest0-21swapper/322:45:173
3125299200,2cyclictest0-21swapper/322:01:193
3125299200,2cyclictest0-21swapper/321:45:133
3125299200,2cyclictest0-21swapper/321:38:003
3125299200,2cyclictest0-21swapper/320:30:203
3125299200,19cyclictest0-21swapper/319:50:243
3125299200,11cyclictest0-21swapper/300:25:153
182282200,0sleep20-21swapper/200:00:452
3125299191,1cyclictest0-21swapper/320:56:443
3125299191,16cyclictest0-21swapper/319:41:473
3125299190,9cyclictest0-21swapper/300:35:133
3125299190,18cyclictest0-21swapper/321:06:083
3125299190,18cyclictest0-21swapper/320:15:133
3125299190,17cyclictest6483-21ipmitool19:25:163
3125299190,10cyclictest0-21swapper/319:10:133
3125099190,14cyclictest0-21swapper/122:37:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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