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2026-06-21 - 06:36
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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 Sun Jun 21, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2160121310,4sleep31275199cyclictest23:06:533
926721300,1sleep30-21swapper/323:30:453
2296821270,3sleep31275199cyclictest23:10:543
383121220,1sleep31275199cyclictest00:25:233
2411821100,1sleep21275099cyclictest22:41:422
366521070,2sleep20-21swapper/222:18:462
12421210632,46sleep30-21swapper/319:09:083
1229029932,55sleep10-21swapper/119:07:261
142622920,2sleep30-21swapper/321:58:273
278832910,1sleep027882-21sshd21:59:570
278552900,3sleep01274899cyclictest21:38:100
99562840,2sleep10-21swapper/121:54:381
138262840,0sleep00-21swapper/022:19:520
299182830,0sleep00-21swapper/021:19:450
254392830,1sleep10-21swapper/119:35:211
193182830,2sleep119312-21sshd21:11:421
171392820,1sleep117142-21fschecks_count20:30:111
171392820,1sleep117142-21fschecks_count20:30:101
150012820,0sleep00-21swapper/022:26:460
61162810,3sleep20-21swapper/200:00:092
181772810,2sleep20-21swapper/223:43:022
326222800,1sleep032615-21sshd21:50:070
25242800,1sleep20-21swapper/222:28:572
192722800,2sleep319271-21id00:05:233
137082800,3sleep20-21swapper/221:51:302
85132780,2sleep20-21swapper/200:15:002
102602780,0sleep20-21swapper/222:54:102
256452770,2sleep225643-21bash22:10:342
197232770,2sleep10-21swapper/100:05:261
253522760,1sleep20-21swapper/200:38:562
253522760,1sleep20-21swapper/200:38:562
176712760,2sleep117667-21sshd23:35:321
183832750,2sleep10-21swapper/123:14:041
160132750,2sleep116010-21sshd00:26:461
319422740,3sleep31275199cyclictest23:26:163
311352720,1sleep22023-21nfsd22:49:292
185152720,2sleep218514-21sshd21:26:382
181822720,2sleep10-21swapper/123:46:541
89792710,1sleep30-21swapper/321:17:283
203542710,1sleep320350-21cp21:37:203
291802700,2sleep11274999cyclictest00:17:191
275712700,3sleep01274899cyclictest22:03:180
125812640,1sleep10-21swapper/100:37:311
125812640,1sleep10-21swapper/100:37:311
267802630,1sleep10-21swapper/121:38:021
1228226332,13sleep20-21swapper/219:07:222
152622610,3sleep31275199cyclictest23:46:323
1247225832,14sleep00-21swapper/019:09:450
33862550,0sleep00-21swapper/000:36:270
33862550,0sleep00-21swapper/000:36:260
253062540,0sleep225305-21bash21:45:412
108822510,2sleep20-21swapper/223:30:562
81442332,29sleep3144650irq/27-eth021:25:223
155792330,2sleep30-21swapper/300:01:023
275802320,3sleep10-21swapper/123:00:221
180532250,2sleep30-21swapper/322:05:383
163912240,0sleep20-21swapper/221:55:142
159752240,4sleep21275099cyclictest00:15:402
299862230,2sleep20-21swapper/221:38:232
269902231,20sleep3144650irq/27-eth023:44:123
236032230,2sleep30-21swapper/321:52:343
1274999230,8cyclictest0-21swapper/121:46:161
30842220,3sleep01274899cyclictest21:32:040
213662220,2sleep20-21swapper/223:39:422
1274999225,5cyclictest22-21ksoftirqd/121:58:301
72852212,17sleep3144650irq/27-eth023:56:433
36902210,2sleep30-21swapper/323:15:503
255322210,19sleep3144650irq/27-eth000:24:243
148772210,19sleep1144650irq/27-eth022:23:231
1275099213,16cyclictest0-21swapper/222:02:392
114442210,0sleep00-21swapper/023:34:590
114422210,1sleep30-21swapper/323:53:253
86142200,1sleep30-21swapper/300:15:013
45982202,16sleep3144650irq/27-eth022:57:203
211662200,2sleep22512-21runrttasks00:09:232
52082190,1sleep20-21swapper/222:36:012
1274999198,3cyclictest0-21swapper/122:11:431
110112190,1sleep111008-21sshd22:36:411
77282181,15sleep1144650irq/27-eth020:10:121
5862180,3sleep01274899cyclictest21:28:150
218942180,2sleep30-21swapper/323:21:433
1275099185,5cyclictest23825-21sshd21:34:202
1275099183,9cyclictest10067-21sshd00:29:422
1274999187,10cyclictest22-21ksoftirqd/123:23:471
12749991813,3cyclictest1647-21sshd22:49:471
1275199177,5cyclictest5989-21sshd22:53:403
12751991713,3cyclictest30036-21bash22:03:343
1275199170,13cyclictest0-21swapper/322:49:563
1275099175,4cyclictest2962-21sshd23:23:142
1275099174,4cyclictest21281-21sshd22:30:492
1275099174,11cyclictest18877-21sshd23:50:242
1275099172,13cyclictest9068-21bash21:14:062
1275099170,4cyclictest19403-21bash22:55:082
1274999178,2cyclictest22-21ksoftirqd/100:33:401
1274999175,10cyclictest16331-21sshd22:02:041
12749991713,3cyclictest22-21ksoftirqd/123:50:121
12749991713,3cyclictest22-21ksoftirqd/122:40:191
12749991711,2cyclictest22-21ksoftirqd/100:03:331
1274999170,5cyclictest19427-21cp22:34:111
1274999170,16cyclictest22-21ksoftirqd/121:30:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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