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2025-07-14 - 11:37
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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 Mon Jul 14, 2025 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2486321620,2sleep10-21swapper/121:34:021
1945321540,1sleep10-21swapper/121:27:001
2186821530,1sleep01798899cyclictest23:29:040
1703121400,2sleep017023-21sshd21:58:420
152121380,2sleep20-21swapper/223:33:312
1508521140,2sleep00-21swapper/021:10:350
835321130,3sleep21799799cyclictest21:51:222
208802960,1sleep00-21swapper/022:46:590
174592950,1sleep00-21swapper/021:33:160
241222920,1sleep124123-21sshd23:35:381
66752890,0sleep00-21swapper/000:20:060
71592880,2sleep17158-21sshd21:22:361
207052880,2sleep320698-21rm00:04:343
302592870,1sleep030260-21sshd22:09:360
302592870,1sleep030260-21sshd22:09:360
1754228734,49sleep30-21swapper/319:07:313
152172870,1sleep21799799cyclictest22:46:252
189572860,1sleep00-21swapper/021:42:550
53472850,1sleep30-21swapper/323:37:063
308282850,2sleep330827-21sshd21:56:483
181072850,2sleep30-21swapper/323:12:283
87272840,2sleep18724-21sshd21:38:471
80202840,2sleep10-21swapper/122:58:231
69712840,2sleep30-21swapper/322:51:553
307562840,2sleep330758-21vmstat00:05:263
226612840,0sleep00-21swapper/023:42:030
319012830,0sleep00-21swapper/022:19:180
1773228334,45sleep10-21swapper/119:09:541
50972820,2sleep30-21swapper/300:19:583
307392810,2sleep22405-21runrttasks22:35:112
10232810,4sleep21799799cyclictest22:25:452
250012800,3sleep21799799cyclictest00:08:222
149152800,2sleep30-21swapper/322:33:363
122452800,2sleep21799799cyclictest21:29:342
116562800,0sleep00-21swapper/023:47:200
32972790,1sleep33293-21sshd00:23:063
79142780,1sleep00-21swapper/000:13:210
164142780,0sleep00-21swapper/022:52:530
85062770,1sleep10-21swapper/122:45:441
324562770,2sleep11799399cyclictest00:26:241
189122770,2sleep10-21swapper/100:21:151
95812760,3sleep3135650irq/27-eth021:41:573
84212750,2sleep30-21swapper/321:38:453
308352750,2sleep230831-21sshd22:54:192
18512750,1sleep21799799cyclictest21:31:382
69592720,2sleep20-21swapper/223:56:272
69592720,2sleep20-21swapper/223:56:272
218622710,1sleep00-21swapper/021:52:440
204542710,3sleep020453-21id22:24:350
89782700,2sleep10-21swapper/121:16:261
89072700,3sleep11799399cyclictest23:05:011
180862700,4sleep21799799cyclictest00:04:182
300472690,2sleep21799799cyclictest21:44:012
68872680,2sleep11959-21sshd21:51:131
188322680,2sleep318780-21sshd00:28:393
281332670,2sleep30-21swapper/322:47:433
109252620,2sleep20-21swapper/223:40:482
202452590,4sleep20-21swapper/223:38:362
1750025929,9sleep20-21swapper/219:07:112
86612490,2sleep38658-21sshd00:38:383
300432480,0sleep230044-21sshd23:20:122
277032460,2sleep20-21swapper/223:03:372
1755324436,4sleep00-21swapper/019:07:360
1798899410,38cyclictest0-21swapper/021:47:520
42792380,2sleep24236-21sshd00:19:522
17988993511,19cyclictest0-21swapper/022:37:240
92512340,31sleep3135650irq/27-eth021:32:243
76992340,1sleep10-21swapper/123:40:271
298582320,2sleep329855-21sshd23:55:293
298582320,2sleep329855-21sshd23:55:283
270652320,2sleep327058-21sshd21:24:383
320012290,1sleep131989-21sshd23:20:191
195942290,3sleep10-21swapper/122:21:111
1799799293,6cyclictest19996-21sshd22:05:202
1799799293,6cyclictest19996-21sshd22:05:202
11172290,2sleep31108-21sshd22:29:033
295492280,2sleep21847-21nfsd23:26:292
253632280,3sleep125362-21bash00:36:461
1799799280,4cyclictest27070-21sshd23:06:462
310862273,22sleep1135650irq/27-eth000:15:431
21492270,3sleep2321ktimersoftd/221:19:002
182192270,2sleep30-21swapper/321:49:153
1798899270,19cyclictest15375-21sshd21:23:250
96502260,3sleep20-21swapper/221:57:562
45732250,1sleep10-21swapper/100:02:521
236992250,23sleep3135650irq/27-eth022:21:383
217862250,1sleep10-21swapper/122:40:351
17998992519,2cyclictest9748-21sshd23:24:383
17998992518,3cyclictest0-21swapper/323:29:363
17997992513,9cyclictest33-21ksoftirqd/200:11:392
17997992510,3cyclictest33-21ksoftirqd/223:10:322
17993992514,8cyclictest0-21swapper/123:57:301
17993992514,8cyclictest0-21swapper/123:57:301
1798899252,18cyclictest0-21swapper/023:04:200
17988992514,4cyclictest3-21ksoftirqd/000:18:410
1798899250,13cyclictest18161-21bash23:35:110
313542240,2sleep231352-21sshd22:22:242
1799899240,13cyclictest32478-21sshd23:46:103
1799799244,2cyclictest26131-21sshd22:18:422
1799799243,4cyclictest135650irq/27-eth000:23:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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