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2025-05-02 - 12:25
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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 rackcslot0.osadl.org (updated Fri May 02, 2025 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
242721840,6sleep14885799cyclictest23:59:506
99621350,1sleep3979-21sshd21:39:479
8215213195,31sleep140-21swapper/1419:15:196
8215213195,31sleep140-21swapper/1419:15:196
686421260,15sleep80-21swapper/819:13:0314
686421260,15sleep80-21swapper/819:13:0314
82362119103,11sleep10-21swapper/119:15:381
82362119103,11sleep10-21swapper/119:15:381
8256211794,18sleep20-21swapper/219:15:558
8256211794,18sleep20-21swapper/219:15:558
82952116104,7sleep40-21swapper/419:16:2910
82952116104,7sleep40-21swapper/419:16:2910
8275211691,21sleep30-21swapper/319:16:129
8275211691,21sleep30-21swapper/319:16:129
8392210592,9sleep120-21swapper/1219:17:094
8392210592,9sleep120-21swapper/1219:17:094
8428210490,9sleep110-21swapper/1119:17:403
8428210490,9sleep110-21swapper/1119:17:403
2827921040,2sleep40-21swapper/423:53:4710
8405210379,19sleep60-21swapper/619:17:1912
8405210379,19sleep60-21swapper/619:17:1912
345421030,1sleep40-21swapper/400:43:0010
345421030,1sleep40-21swapper/400:43:0010
329221020,2sleep60-21swapper/621:08:0012
2417221010,1sleep80-21swapper/800:31:3414
211152990,2sleep120-21swapper/1221:38:034
129062990,1sleep40-21swapper/422:16:1010
98342980,6sleep9885099cyclictest23:15:5315
320442970,2sleep15509-21systemd-journal00:42:397
320442970,2sleep15509-21systemd-journal00:42:397
163402960,12sleep80-21swapper/822:36:5014
7962940,1sleep65036-21nfsd21:34:4512
170992940,1sleep60-21swapper/600:40:0512
170992940,1sleep60-21swapper/600:40:0512
287812930,6sleep3884399cyclictest00:32:179
840429273,4sleep50-21swapper/519:17:1811
840429273,4sleep50-21swapper/519:17:1811
3222920,6sleep5884599cyclictest23:44:1011
154112910,1sleep40-21swapper/400:34:5810
154112910,1sleep40-21swapper/400:34:5810
734329073,13sleep00-21swapper/019:13:120
734329073,13sleep00-21swapper/019:13:120
325612900,1sleep10-21swapper/121:03:061
67162890,1sleep100-21swapper/1023:25:002
60872890,1sleep9881rcuc/923:35:0915
287392880,0sleep120-21swapper/1222:33:254
258082880,0sleep80-21swapper/822:42:5914
821428775,8sleep130-21swapper/1319:15:185
821428775,8sleep130-21swapper/1319:15:185
77592870,0sleep140-21swapper/1422:00:016
77592870,0sleep140-21swapper/1422:00:016
327592870,1sleep80-21swapper/800:09:3814
190042870,2sleep449-21ksoftirqd/423:07:1510
191502860,5sleep1883999cyclictest22:37:151
105772860,1sleep120-21swapper/1223:10:524
100662850,1sleep30-21swapper/322:20:269
48342840,1sleep50-21swapper/522:04:2511
48342840,1sleep50-21swapper/522:04:2511
826328375,4sleep90-21swapper/919:16:0215
826328375,4sleep90-21swapper/919:16:0215
824228375,4sleep70-21swapper/719:15:4413
824228375,4sleep70-21swapper/719:15:4413
819128375,4sleep100-21swapper/1019:14:592
819128375,4sleep100-21swapper/1019:14:592
816028072,4sleep150-21swapper/1519:14:327
816028072,4sleep150-21swapper/1519:14:327
203862790,0sleep60-21swapper/600:31:0012
97822740,0sleep10-21swapper/121:14:041
163032560,1sleep130-21swapper/1322:51:535
264532540,1sleep140-21swapper/1423:48:206
174692540,1sleep100-21swapper/1023:12:102
883799490,47cyclictest0-21swapper/022:10:450
883799490,47cyclictest0-21swapper/022:10:450
883799490,47cyclictest0-21swapper/021:46:170
883799490,47cyclictest0-21swapper/020:19:050
883799481,26cyclictest13031-21sshd00:06:460
883799480,46cyclictest0-21swapper/021:30:090
883799473,42cyclictest11471-21cups-browsed00:38:530
883799473,42cyclictest11471-21cups-browsed00:38:530
883799470,45cyclictest0-21swapper/023:59:580
883799470,45cyclictest0-21swapper/023:31:240
883799470,45cyclictest0-21swapper/022:58:030
883799470,45cyclictest0-21swapper/022:13:510
883799470,45cyclictest0-21swapper/000:13:000
8852994632,3cyclictest27907-21cups-browsed21:44:433
883799460,44cyclictest0-21swapper/023:56:130
883799460,44cyclictest0-21swapper/023:40:060
883799460,44cyclictest0-21swapper/023:22:570
883799460,44cyclictest0-21swapper/023:09:130
883799460,44cyclictest0-21swapper/022:31:260
883799460,44cyclictest0-21swapper/021:58:320
883799460,44cyclictest0-21swapper/021:58:320
883799460,44cyclictest0-21swapper/000:30:290
883799460,44cyclictest0-21swapper/000:25:420
883799460,44cyclictest0-21swapper/000:11:230
883799460,43cyclictest28322-21nfsd422:23:050
8843994532,3cyclictest27907-21cups-browsed21:43:089
883799450,43cyclictest0-21swapper/023:50:230
883799450,43cyclictest0-21swapper/023:12:500
883799450,43cyclictest0-21swapper/022:43:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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