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2025-12-31 - 11:33
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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 highest latencies:
System rackcslot2.osadl.org (updated Wed Dec 31, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
236172700,1sleep123614-21turbostat19:14:541
2123026855,8sleep10-21swapper/119:05:271
125342680,1sleep00-21swapper/022:43:590
2132226654,8sleep00-21swapper/019:06:240
21837994510,9cyclictest5893-21ssh23:15:550
21837994110,31cyclictest0-21swapper/022:15:120
21837994110,25cyclictest0-21swapper/021:00:060
21837994010,29cyclictest3030-21diskmemload23:27:060
21837994010,29cyclictest0-21swapper/021:51:120
21837994010,22cyclictest0-21swapper/020:35:060
21837993910,27cyclictest0-21swapper/021:47:230
21837993910,26cyclictest0-21swapper/020:40:150
21837993910,15cyclictest0-21swapper/000:36:360
21837993810,28cyclictest0-21swapper/022:36:480
21837993810,28cyclictest0-21swapper/021:31:120
21837993810,27cyclictest2286-21ssh23:54:320
21837993810,27cyclictest0-21swapper/021:39:100
21837993810,27cyclictest0-21swapper/021:20:110
21837993810,27cyclictest0-21swapper/021:15:570
21837993810,27cyclictest0-21swapper/020:29:370
21837993810,27cyclictest0-21swapper/019:53:070
21837993810,27cyclictest0-21swapper/019:15:200
21837993810,24cyclictest0-21swapper/022:55:110
2183799377,29cyclictest2272-21ssh23:11:360
21837993710,27cyclictest0-21swapper/019:10:140
21837993710,26cyclictest0-21swapper/022:50:080
21837993710,26cyclictest0-21swapper/022:22:270
21837993710,26cyclictest0-21swapper/022:00:120
21837993710,26cyclictest0-21swapper/019:35:140
21837993620,16cyclictest0-21swapper/023:03:240
21837993610,5cyclictest0-21swapper/000:24:550
21837993610,25cyclictest0-21swapper/023:21:300
21837993610,25cyclictest0-21swapper/000:33:040
21837993610,25cyclictest0-21swapper/000:23:300
21837993610,25cyclictest0-21swapper/000:10:130
21837993510,25cyclictest0-21swapper/022:14:490
21837993510,24cyclictest0-21swapper/021:42:530
21837993510,24cyclictest0-21swapper/019:33:120
21837993510,24cyclictest0-21swapper/000:00:240
21837993510,20cyclictest0-21swapper/023:31:040
21837993510,19cyclictest0-21swapper/023:54:580
21837993410,24cyclictest0-21swapper/021:25:110
21837993410,23cyclictest0-21swapper/023:38:490
21837993410,23cyclictest0-21swapper/023:07:080
21837993410,23cyclictest0-21swapper/022:48:250
21837993410,23cyclictest0-21swapper/020:17:580
21837993410,23cyclictest0-21swapper/019:44:510
21837993410,23cyclictest0-21swapper/000:05:530
21837993410,20cyclictest0-21swapper/023:43:440
21837993410,20cyclictest0-21swapper/021:10:160
21837993310,23cyclictest0-21swapper/022:25:090
21837993310,23cyclictest0-21swapper/020:31:440
2183799324,27cyclictest10581-21apache_processe20:05:050
21837993210,22cyclictest0-21swapper/021:59:210
21837993210,22cyclictest0-21swapper/019:55:380
21837993210,21cyclictest0-21swapper/023:46:280
21837993210,21cyclictest0-21swapper/000:19:520
21837993111,12cyclictest0-21swapper/019:25:050
21837993110,20cyclictest0-21swapper/020:55:100
21837993110,19cyclictest0-21swapper/022:05:140
21838993010,0cyclictest0-21swapper/121:38:131
2183899293,25cyclictest0-21swapper/122:15:121
21837992910,3cyclictest0-21swapper/019:48:100
21837992910,19cyclictest0-21swapper/022:31:450
21837992910,19cyclictest0-21swapper/020:53:000
21838992826,1cyclictest0-21swapper/122:52:041
21838992825,2cyclictest0-21swapper/123:01:211
21838992810,15cyclictest0-21swapper/123:16:011
2183799283,23cyclictest27471-21munin-run19:24:540
21837992810,15cyclictest0-21swapper/020:20:190
21838992710,7cyclictest0-21swapper/120:06:391
2183899270,25cyclictest9894-21ssh00:04:041
2183799272,3cyclictest0-21swapper/020:10:080
21838992610,8cyclictest0-21swapper/121:20:551
21837992610,16cyclictest0-21swapper/020:00:120
21838992523,2cyclictest16360-21apache222:35:011
21838992523,1cyclictest29268-21irqstats23:05:111
21838992511,6cyclictest0-21swapper/121:15:051
21838992422,1cyclictest414-21tune2fs23:10:061
21837992410,12cyclictest0-21swapper/020:45:260
2183899234,15cyclictest0-21swapper/100:15:101
21838992321,1cyclictest0-21swapper/123:30:151
21838992320,1cyclictest24078-21apache_volume20:40:071
21838992314,8cyclictest16387-21apache200:34:241
21838992310,6cyclictest0-21swapper/120:10:121
2183899230,22cyclictest22174-21grep00:20:081
21838992220,0cyclictest100150irq/106-eth1-rx22:41:581
21838992210,6cyclictest0-21swapper/119:16:131
2183899220,2cyclictest29624-21ssh22:24:241
21837992210,5cyclictest0-21swapper/021:05:130
2183899215,10cyclictest0-21swapper/123:55:151
2183899214,10cyclictest0-21swapper/119:23:191
21838992120,1cyclictest16387-21apache221:29:391
21838992118,2cyclictest231ktimersoftd/122:28:411
21838992110,1cyclictest0-21swapper/123:35:591
21838992110,0cyclictest0-21swapper/121:30:131
2183899206,8cyclictest0-21swapper/120:50:071
2183899204,8cyclictest0-21swapper/119:35:141
2183899203,9cyclictest0-21swapper/121:05:051
2183899203,8cyclictest0-21swapper/120:30:081
21838992020,0cyclictest0-21swapper/122:54:571
21838992013,6cyclictest16360-21apache200:06:251
21838992012,5cyclictest0-21swapper/122:07:011
2183899197,7cyclictest0-21swapper/120:35:061
2183899194,12cyclictest0-21swapper/120:20:051
21838991915,2cyclictest0-21swapper/122:00:101
2183899191,11cyclictest0-21swapper/123:45:081
21838991910,6cyclictest0-21swapper/123:25:071
21838991910,6cyclictest0-21swapper/121:44:451
21838991910,5cyclictest0-21swapper/123:40:051
21838991910,5cyclictest0-21swapper/122:10:101
21838991910,3cyclictest0-21swapper/121:50:051
2183899186,8cyclictest0-21swapper/100:35:151
2183899183,9cyclictest31966-21/usr/sbin/munin21:45:151
21838991811,5cyclictest0-21swapper/120:27:161
2183899181,11cyclictest0-21swapper/100:10:061
21838991810,6cyclictest0-21swapper/100:25:431
21838991810,4cyclictest0-21swapper/122:44:571
21838991810,3cyclictest0-21swapper/123:50:071
21838991810,2cyclictest0-21swapper/119:45:161
21838991810,1cyclictest0-21swapper/121:55:071
2183899172,9cyclictest0-21swapper/122:30:061
21838991716,1cyclictest7089-21ssh21:14:491
21838991711,5cyclictest30633-21/usr/sbin/munin19:30:151
21838991710,3cyclictest0-21swapper/123:21:511
2183899164,5cyclictest30356-21/usr/sbin/munin20:55:111
21838991616,0cyclictest0-21swapper/119:53:231
21838991611,3cyclictest16360-21apache219:28:031
2183899160,9cyclictest0-21swapper/120:45:101
2183899160,8cyclictest0-21swapper/120:00:061
2183899153,4cyclictest0-21swapper/119:42:171
21838991514,1cyclictest16387-21apache220:15:061
21838991514,1cyclictest0-21swapper/121:00:241
21838991510,2cyclictest0-21swapper/119:59:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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