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2026-07-03 - 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 Jul 03, 2026 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1520521370,1sleep20-21swapper/221:32:502
1008621340,2sleep22512-21runrttasks23:25:342
1903821230,2sleep20-21swapper/200:11:322
73782970,3sleep30-21swapper/322:34:143
1251429432,51sleep10-21swapper/119:08:511
1228329231,41sleep30-21swapper/319:06:073
307342880,3sleep230733-21sshd00:24:502
275002870,2sleep10-21swapper/122:21:301
297812830,2sleep20-21swapper/223:57:372
280682830,2sleep20-21swapper/221:48:092
231092830,0sleep00-21swapper/022:14:000
303242820,1sleep30-21swapper/323:06:163
160992820,2sleep20-21swapper/223:33:282
75602800,0sleep00-21swapper/023:07:210
239442800,1sleep30-21swapper/321:51:063
280592780,3sleep30-21swapper/323:49:333
260102780,2sleep32512-21runrttasks23:23:553
244302780,2sleep30-21swapper/300:39:223
166922750,4sleep31286799cyclictest23:15:463
141272750,2sleep10-21swapper/123:00:291
33152740,2sleep30-21swapper/300:02:223
49092720,2sleep20-21swapper/222:03:202
45382720,1sleep04537-21sshd23:28:380
109852720,2sleep310974-21sshd23:59:263
179192700,3sleep317920-21munin-node22:50:143
251082690,0sleep00-21swapper/000:24:120
184852690,5sleep31286799cyclictest22:46:453
19902670,3sleep01286099cyclictest22:55:390
218102660,2sleep221809-21sshd22:13:502
165132650,4sleep31286799cyclictest21:22:323
1236225735,9sleep20-21swapper/219:07:022
1248424733,11sleep00-21swapper/019:08:290
138562380,1sleep013855-21bash23:00:280
127392370,8sleep00-21swapper/022:20:010
65032340,2sleep20-21swapper/221:25:012
112392340,1sleep00-21swapper/021:25:230
304942330,0sleep130496-21bash22:44:381
111192330,2sleep20-21swapper/222:08:172
222082310,1sleep10-21swapper/100:35:111
50772300,28sleep1144650irq/27-eth022:33:581
69342290,27sleep1144650irq/27-eth021:49:251
105622290,27sleep3144650irq/27-eth022:19:493
311432280,1sleep00-21swapper/023:46:120
237092280,3sleep20-21swapper/221:12:312
84562270,1sleep00-21swapper/021:35:330
325632270,1sleep20-21swapper/222:18:392
230352270,2sleep223034-21bash22:28:362
89302250,2sleep00-21swapper/020:10:180
58772250,0sleep03-21ksoftirqd/022:19:170
1286099250,13cyclictest0-21swapper/021:30:540
105162250,2sleep20-21swapper/223:00:152
41462240,22sleep228950irq/26-ahci[00021:55:552
193932240,3sleep10-21swapper/123:05:111
189142240,2sleep318909-21sshd00:19:543
145442240,2sleep114541-21sshd21:25:441
1286099240,2cyclictest0-21swapper/000:05:460
121162240,22sleep1144650irq/27-eth022:56:491
304732230,0sleep00-21swapper/023:42:200
1286699237,4cyclictest24938-21sshd21:40:482
1286099236,10cyclictest18225-21sshd23:56:010
1286099230,1cyclictest11470-21sshd22:00:140
1286099230,14cyclictest0-21swapper/023:18:510
123092230,2sleep212308-21id21:29:062
100642230,1sleep310058-21sshd21:35:443
325272220,20sleep1144650irq/27-eth023:10:091
235152220,3sleep30-21swapper/323:52:403
13732220,3sleep10-21swapper/100:02:091
1286099220,2cyclictest12848-21memory00:30:180
1286099220,21cyclictest0-21swapper/022:45:320
1286099220,20cyclictest0-21swapper/021:59:060
142792210,2sleep114278-21bash23:19:091
1286799218,5cyclictest7891-21sshd23:25:233
1286099218,12cyclictest28451-21sshd23:24:120
1286099217,10cyclictest4764-21sshd22:38:010
1286099213,9cyclictest0-21swapper/023:30:120
1286099210,2cyclictest1715-21bash21:45:170
1286099210,2cyclictest0-21swapper/021:16:540
1286099210,20cyclictest0-21swapper/020:40:150
1286099210,1cyclictest7343-21sshd22:42:050
1286099210,1cyclictest21713-21sshd00:39:010
4212200,3sleep30-21swapper/300:32:443
240752202,16sleep1144650irq/27-eth022:28:451
1286699206,3cyclictest26209-21bash23:49:202
12866992016,3cyclictest5359-21ipmi_fans21:35:172
1286099201,1cyclictest26925-21rm21:41:010
1286099201,14cyclictest0-21swapper/023:35:180
1286099200,9cyclictest8442-21sshd22:26:580
1286099200,2cyclictest3242-21sshd00:02:230
1286099200,2cyclictest23985-21sshd22:32:130
1286099200,2cyclictest17554-21cpuspeed_turbos22:50:120
1286099200,2cyclictest15600-21bash00:15:130
1286099200,2cyclictest1079-21grep23:10:110
1286099200,2cyclictest0-21swapper/021:10:100
1286099200,1cyclictest19774-21sshd21:50:380
1286099200,19cyclictest7089-21sshd00:10:150
1286099200,19cyclictest32706-21sshd23:50:030
1286099200,19cyclictest13357-21sshd21:22:120
1286099200,19cyclictest0-21swapper/022:08:240
1286099200,18cyclictest7290-21sshd00:25:390
96382190,3sleep11286599cyclictest23:40:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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